diff --git a/editor/editor_inspector.cpp b/editor/editor_inspector.cpp
index 367373dc176..d95b1de3658 100644
--- a/editor/editor_inspector.cpp
+++ b/editor/editor_inspector.cpp
@@ -45,6 +45,7 @@
 #include "scene/gui/texture_rect.h"
 #include "scene/property_utils.h"
 #include "scene/resources/packed_scene.h"
+#include "scene/resources/style_box_flat.h"
 
 bool EditorInspector::_property_path_matches(const String &p_property_path, const String &p_filter, EditorPropertyNameProcessor::Style p_style) {
 	if (p_property_path.findn(p_filter) != -1) {
diff --git a/editor/editor_inspector.h b/editor/editor_inspector.h
index a5737b7dc69..9a4c4f7f992 100644
--- a/editor/editor_inspector.h
+++ b/editor/editor_inspector.h
@@ -44,6 +44,7 @@ class OptionButton;
 class PanelContainer;
 class PopupMenu;
 class SpinBox;
+class StyleBoxFlat;
 class TextureRect;
 
 class EditorPropertyRevert {
diff --git a/editor/editor_themes.cpp b/editor/editor_themes.cpp
index 92c111a418e..99feee42b85 100644
--- a/editor/editor_themes.cpp
+++ b/editor/editor_themes.cpp
@@ -37,6 +37,9 @@
 #include "editor/editor_scale.h"
 #include "editor/editor_settings.h"
 #include "scene/resources/image_texture.h"
+#include "scene/resources/style_box_flat.h"
+#include "scene/resources/style_box_line.h"
+#include "scene/resources/style_box_texture.h"
 
 #include "modules/modules_enabled.gen.h" // For svg.
 #ifdef MODULE_SVG_ENABLED
diff --git a/editor/gui/editor_toaster.cpp b/editor/gui/editor_toaster.cpp
index 866a6db2a65..f928a0fd30e 100644
--- a/editor/gui/editor_toaster.cpp
+++ b/editor/gui/editor_toaster.cpp
@@ -35,6 +35,7 @@
 #include "scene/gui/button.h"
 #include "scene/gui/label.h"
 #include "scene/gui/panel_container.h"
+#include "scene/resources/style_box_flat.h"
 
 EditorToaster *EditorToaster::singleton = nullptr;
 
diff --git a/editor/gui/editor_toaster.h b/editor/gui/editor_toaster.h
index 4837756b4ef..3e39d9d5191 100644
--- a/editor/gui/editor_toaster.h
+++ b/editor/gui/editor_toaster.h
@@ -37,6 +37,7 @@
 
 class Button;
 class PanelContainer;
+class StyleBoxFlat;
 
 class EditorToaster : public HBoxContainer {
 	GDCLASS(EditorToaster, HBoxContainer);
diff --git a/editor/plugins/animation_blend_tree_editor_plugin.cpp b/editor/plugins/animation_blend_tree_editor_plugin.cpp
index ea210872f7c..1abf9d57cec 100644
--- a/editor/plugins/animation_blend_tree_editor_plugin.cpp
+++ b/editor/plugins/animation_blend_tree_editor_plugin.cpp
@@ -48,6 +48,7 @@
 #include "scene/gui/separator.h"
 #include "scene/gui/view_panner.h"
 #include "scene/main/window.h"
+#include "scene/resources/style_box_flat.h"
 
 void AnimationNodeBlendTreeEditor::add_custom_type(const String &p_name, const Ref<Script> &p_script) {
 	for (int i = 0; i < add_options.size(); i++) {
diff --git a/editor/plugins/animation_state_machine_editor.cpp b/editor/plugins/animation_state_machine_editor.cpp
index 49f073f2451..54296411f7e 100644
--- a/editor/plugins/animation_state_machine_editor.cpp
+++ b/editor/plugins/animation_state_machine_editor.cpp
@@ -50,6 +50,7 @@
 #include "scene/gui/tree.h"
 #include "scene/main/viewport.h"
 #include "scene/main/window.h"
+#include "scene/resources/style_box_flat.h"
 #include "scene/scene_string_names.h"
 
 bool AnimationNodeStateMachineEditor::can_edit(const Ref<AnimationNode> &p_node) {
diff --git a/editor/plugins/canvas_item_editor_plugin.cpp b/editor/plugins/canvas_item_editor_plugin.cpp
index d6a11f856aa..0386a05cc28 100644
--- a/editor/plugins/canvas_item_editor_plugin.cpp
+++ b/editor/plugins/canvas_item_editor_plugin.cpp
@@ -62,6 +62,7 @@
 #include "scene/main/canvas_layer.h"
 #include "scene/main/window.h"
 #include "scene/resources/packed_scene.h"
+#include "scene/resources/style_box_texture.h"
 
 // Min and Max are power of two in order to play nicely with successive increment.
 // That way, we can naturally reach a 100% zoom from boundaries.
diff --git a/editor/plugins/canvas_item_editor_plugin.h b/editor/plugins/canvas_item_editor_plugin.h
index 4e2a629c7ee..2f97cda343c 100644
--- a/editor/plugins/canvas_item_editor_plugin.h
+++ b/editor/plugins/canvas_item_editor_plugin.h
@@ -39,12 +39,13 @@ class AcceptDialog;
 class CanvasItemEditorViewport;
 class ConfirmationDialog;
 class EditorData;
-class EditorZoomWidget;
 class EditorSelection;
+class EditorZoomWidget;
 class HScrollBar;
 class HSplitContainer;
 class MenuButton;
 class PanelContainer;
+class StyleBoxTexture;
 class ViewPanner;
 class VScrollBar;
 class VSplitContainer;
diff --git a/editor/plugins/style_box_editor_plugin.cpp b/editor/plugins/style_box_editor_plugin.cpp
index c126aec0085..16716e589e8 100644
--- a/editor/plugins/style_box_editor_plugin.cpp
+++ b/editor/plugins/style_box_editor_plugin.cpp
@@ -32,6 +32,7 @@
 
 #include "editor/editor_scale.h"
 #include "scene/gui/button.h"
+#include "scene/resources/style_box_texture.h"
 
 bool StyleBoxPreview::grid_preview_enabled = true;
 
diff --git a/editor/plugins/texture_region_editor_plugin.h b/editor/plugins/texture_region_editor_plugin.h
index 6b7a94452d4..6b7a198246d 100644
--- a/editor/plugins/texture_region_editor_plugin.h
+++ b/editor/plugins/texture_region_editor_plugin.h
@@ -38,7 +38,7 @@
 #include "scene/3d/sprite_3d.h"
 #include "scene/gui/dialogs.h"
 #include "scene/gui/nine_patch_rect.h"
-#include "scene/resources/style_box.h"
+#include "scene/resources/style_box_texture.h"
 
 class AtlasTexture;
 class OptionButton;
diff --git a/editor/plugins/visual_shader_editor_plugin.cpp b/editor/plugins/visual_shader_editor_plugin.cpp
index ed33115fbf2..2f37c2ccb2d 100644
--- a/editor/plugins/visual_shader_editor_plugin.cpp
+++ b/editor/plugins/visual_shader_editor_plugin.cpp
@@ -59,6 +59,7 @@
 #include "scene/main/window.h"
 #include "scene/resources/curve_texture.h"
 #include "scene/resources/image_texture.h"
+#include "scene/resources/style_box_flat.h"
 #include "scene/resources/visual_shader_nodes.h"
 #include "scene/resources/visual_shader_particle_nodes.h"
 #include "servers/display_server.h"
diff --git a/scene/gui/color_picker.cpp b/scene/gui/color_picker.cpp
index d23bc8ddaa2..e50a1c0e881 100644
--- a/scene/gui/color_picker.cpp
+++ b/scene/gui/color_picker.cpp
@@ -37,6 +37,8 @@
 #include "core/os/os.h"
 #include "scene/gui/color_mode.h"
 #include "scene/resources/image_texture.h"
+#include "scene/resources/style_box_flat.h"
+#include "scene/resources/style_box_texture.h"
 #include "servers/display_server.h"
 #include "thirdparty/misc/ok_color.h"
 #include "thirdparty/misc/ok_color_shader.h"
diff --git a/scene/gui/color_picker.h b/scene/gui/color_picker.h
index 03e47cb5c3b..1a4b1b6ee18 100644
--- a/scene/gui/color_picker.h
+++ b/scene/gui/color_picker.h
@@ -46,6 +46,7 @@
 #include "scene/gui/slider.h"
 #include "scene/gui/spin_box.h"
 #include "scene/gui/texture_rect.h"
+#include "scene/resources/style_box_flat.h"
 
 class ColorMode;
 class ColorModeRGB;
diff --git a/scene/gui/graph_edit.cpp b/scene/gui/graph_edit.cpp
index 2c37017fa13..0c9ed37046c 100644
--- a/scene/gui/graph_edit.cpp
+++ b/scene/gui/graph_edit.cpp
@@ -36,6 +36,7 @@
 #include "scene/gui/box_container.h"
 #include "scene/gui/button.h"
 #include "scene/gui/view_panner.h"
+#include "scene/resources/style_box_flat.h"
 
 constexpr int MINIMAP_OFFSET = 12;
 constexpr int MINIMAP_PADDING = 5;
diff --git a/scene/register_scene_types.cpp b/scene/register_scene_types.cpp
index 8a925f8a2eb..1c2ed16e63c 100644
--- a/scene/register_scene_types.cpp
+++ b/scene/register_scene_types.cpp
@@ -202,6 +202,9 @@
 #include "scene/resources/sky_material.h"
 #include "scene/resources/sphere_shape_3d.h"
 #include "scene/resources/style_box.h"
+#include "scene/resources/style_box_flat.h"
+#include "scene/resources/style_box_line.h"
+#include "scene/resources/style_box_texture.h"
 #include "scene/resources/surface_tool.h"
 #include "scene/resources/syntax_highlighter.h"
 #include "scene/resources/text_file.h"
diff --git a/scene/resources/default_theme/default_theme.cpp b/scene/resources/default_theme/default_theme.cpp
index 20424b06f4d..24ffaca68d9 100644
--- a/scene/resources/default_theme/default_theme.cpp
+++ b/scene/resources/default_theme/default_theme.cpp
@@ -36,6 +36,8 @@
 #include "scene/resources/font.h"
 #include "scene/resources/gradient_texture.h"
 #include "scene/resources/image_texture.h"
+#include "scene/resources/style_box_flat.h"
+#include "scene/resources/style_box_line.h"
 #include "scene/resources/theme.h"
 #include "scene/theme/theme_db.h"
 #include "servers/text_server.h"
diff --git a/scene/resources/style_box.cpp b/scene/resources/style_box.cpp
index a9ebb213454..f87bf1ee057 100644
--- a/scene/resources/style_box.cpp
+++ b/scene/resources/style_box.cpp
@@ -32,8 +32,6 @@
 
 #include "scene/main/canvas_item.h"
 
-#include <limits.h>
-
 Size2 StyleBox::get_minimum_size() const {
 	Size2 min_size = Size2(get_margin(SIDE_LEFT) + get_margin(SIDE_RIGHT), get_margin(SIDE_TOP) + get_margin(SIDE_BOTTOM));
 	Size2 custom_size;
@@ -145,925 +143,3 @@ StyleBox::StyleBox() {
 		content_margin[i] = -1;
 	}
 }
-
-void StyleBoxTexture::set_texture(Ref<Texture2D> p_texture) {
-	if (texture == p_texture) {
-		return;
-	}
-	texture = p_texture;
-	emit_changed();
-}
-
-Ref<Texture2D> StyleBoxTexture::get_texture() const {
-	return texture;
-}
-
-void StyleBoxTexture::set_texture_margin(Side p_side, float p_size) {
-	ERR_FAIL_INDEX((int)p_side, 4);
-
-	texture_margin[p_side] = p_size;
-	emit_changed();
-}
-
-void StyleBoxTexture::set_texture_margin_all(float p_size) {
-	for (int i = 0; i < 4; i++) {
-		texture_margin[i] = p_size;
-	}
-	emit_changed();
-}
-
-void StyleBoxTexture::set_texture_margin_individual(float p_left, float p_top, float p_right, float p_bottom) {
-	texture_margin[SIDE_LEFT] = p_left;
-	texture_margin[SIDE_TOP] = p_top;
-	texture_margin[SIDE_RIGHT] = p_right;
-	texture_margin[SIDE_BOTTOM] = p_bottom;
-	emit_changed();
-}
-
-float StyleBoxTexture::get_texture_margin(Side p_side) const {
-	ERR_FAIL_INDEX_V((int)p_side, 4, 0.0);
-
-	return texture_margin[p_side];
-}
-
-float StyleBoxTexture::get_style_margin(Side p_side) const {
-	ERR_FAIL_INDEX_V((int)p_side, 4, 0.0);
-
-	return texture_margin[p_side];
-}
-
-Rect2 StyleBoxTexture::get_draw_rect(const Rect2 &p_rect) const {
-	return p_rect.grow_individual(expand_margin[SIDE_LEFT], expand_margin[SIDE_TOP], expand_margin[SIDE_RIGHT], expand_margin[SIDE_BOTTOM]);
-}
-
-void StyleBoxTexture::draw(RID p_canvas_item, const Rect2 &p_rect) const {
-	if (texture.is_null()) {
-		return;
-	}
-
-	Rect2 rect = p_rect;
-	Rect2 src_rect = region_rect;
-
-	texture->get_rect_region(rect, src_rect, rect, src_rect);
-
-	rect.position.x -= expand_margin[SIDE_LEFT];
-	rect.position.y -= expand_margin[SIDE_TOP];
-	rect.size.x += expand_margin[SIDE_LEFT] + expand_margin[SIDE_RIGHT];
-	rect.size.y += expand_margin[SIDE_TOP] + expand_margin[SIDE_BOTTOM];
-
-	Vector2 start_offset = Vector2(texture_margin[SIDE_LEFT], texture_margin[SIDE_TOP]);
-	Vector2 end_offset = Vector2(texture_margin[SIDE_RIGHT], texture_margin[SIDE_BOTTOM]);
-
-	RenderingServer::get_singleton()->canvas_item_add_nine_patch(p_canvas_item, rect, src_rect, texture->get_rid(), start_offset, end_offset, RS::NinePatchAxisMode(axis_h), RS::NinePatchAxisMode(axis_v), draw_center, modulate);
-}
-
-void StyleBoxTexture::set_draw_center(bool p_enabled) {
-	draw_center = p_enabled;
-	emit_changed();
-}
-
-bool StyleBoxTexture::is_draw_center_enabled() const {
-	return draw_center;
-}
-
-void StyleBoxTexture::set_expand_margin(Side p_side, float p_size) {
-	ERR_FAIL_INDEX((int)p_side, 4);
-	expand_margin[p_side] = p_size;
-	emit_changed();
-}
-
-void StyleBoxTexture::set_expand_margin_individual(float p_left, float p_top, float p_right, float p_bottom) {
-	expand_margin[SIDE_LEFT] = p_left;
-	expand_margin[SIDE_TOP] = p_top;
-	expand_margin[SIDE_RIGHT] = p_right;
-	expand_margin[SIDE_BOTTOM] = p_bottom;
-	emit_changed();
-}
-
-void StyleBoxTexture::set_expand_margin_all(float p_expand_margin_size) {
-	for (int i = 0; i < 4; i++) {
-		expand_margin[i] = p_expand_margin_size;
-	}
-	emit_changed();
-}
-
-float StyleBoxTexture::get_expand_margin(Side p_side) const {
-	ERR_FAIL_INDEX_V((int)p_side, 4, 0);
-	return expand_margin[p_side];
-}
-
-void StyleBoxTexture::set_region_rect(const Rect2 &p_region_rect) {
-	if (region_rect == p_region_rect) {
-		return;
-	}
-
-	region_rect = p_region_rect;
-	emit_changed();
-}
-
-Rect2 StyleBoxTexture::get_region_rect() const {
-	return region_rect;
-}
-
-void StyleBoxTexture::set_h_axis_stretch_mode(AxisStretchMode p_mode) {
-	ERR_FAIL_INDEX((int)p_mode, 3);
-	axis_h = p_mode;
-	emit_changed();
-}
-
-StyleBoxTexture::AxisStretchMode StyleBoxTexture::get_h_axis_stretch_mode() const {
-	return axis_h;
-}
-
-void StyleBoxTexture::set_v_axis_stretch_mode(AxisStretchMode p_mode) {
-	ERR_FAIL_INDEX((int)p_mode, 3);
-	axis_v = p_mode;
-	emit_changed();
-}
-
-StyleBoxTexture::AxisStretchMode StyleBoxTexture::get_v_axis_stretch_mode() const {
-	return axis_v;
-}
-
-void StyleBoxTexture::set_modulate(const Color &p_modulate) {
-	if (modulate == p_modulate) {
-		return;
-	}
-	modulate = p_modulate;
-	emit_changed();
-}
-
-Color StyleBoxTexture::get_modulate() const {
-	return modulate;
-}
-
-void StyleBoxTexture::_bind_methods() {
-	ClassDB::bind_method(D_METHOD("set_texture", "texture"), &StyleBoxTexture::set_texture);
-	ClassDB::bind_method(D_METHOD("get_texture"), &StyleBoxTexture::get_texture);
-
-	ClassDB::bind_method(D_METHOD("set_texture_margin", "margin", "size"), &StyleBoxTexture::set_texture_margin);
-	ClassDB::bind_method(D_METHOD("set_texture_margin_all", "size"), &StyleBoxTexture::set_texture_margin_all);
-	ClassDB::bind_method(D_METHOD("get_texture_margin", "margin"), &StyleBoxTexture::get_texture_margin);
-
-	ClassDB::bind_method(D_METHOD("set_expand_margin", "margin", "size"), &StyleBoxTexture::set_expand_margin);
-	ClassDB::bind_method(D_METHOD("set_expand_margin_all", "size"), &StyleBoxTexture::set_expand_margin_all);
-	ClassDB::bind_method(D_METHOD("get_expand_margin", "margin"), &StyleBoxTexture::get_expand_margin);
-
-	ClassDB::bind_method(D_METHOD("set_region_rect", "region"), &StyleBoxTexture::set_region_rect);
-	ClassDB::bind_method(D_METHOD("get_region_rect"), &StyleBoxTexture::get_region_rect);
-
-	ClassDB::bind_method(D_METHOD("set_draw_center", "enable"), &StyleBoxTexture::set_draw_center);
-	ClassDB::bind_method(D_METHOD("is_draw_center_enabled"), &StyleBoxTexture::is_draw_center_enabled);
-
-	ClassDB::bind_method(D_METHOD("set_modulate", "color"), &StyleBoxTexture::set_modulate);
-	ClassDB::bind_method(D_METHOD("get_modulate"), &StyleBoxTexture::get_modulate);
-
-	ClassDB::bind_method(D_METHOD("set_h_axis_stretch_mode", "mode"), &StyleBoxTexture::set_h_axis_stretch_mode);
-	ClassDB::bind_method(D_METHOD("get_h_axis_stretch_mode"), &StyleBoxTexture::get_h_axis_stretch_mode);
-
-	ClassDB::bind_method(D_METHOD("set_v_axis_stretch_mode", "mode"), &StyleBoxTexture::set_v_axis_stretch_mode);
-	ClassDB::bind_method(D_METHOD("get_v_axis_stretch_mode"), &StyleBoxTexture::get_v_axis_stretch_mode);
-
-	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_texture", "get_texture");
-
-	ADD_GROUP("Texture Margins", "texture_margin_");
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "texture_margin_left", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_texture_margin", "get_texture_margin", SIDE_LEFT);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "texture_margin_top", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_texture_margin", "get_texture_margin", SIDE_TOP);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "texture_margin_right", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_texture_margin", "get_texture_margin", SIDE_RIGHT);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "texture_margin_bottom", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_texture_margin", "get_texture_margin", SIDE_BOTTOM);
-
-	ADD_GROUP("Expand Margins", "expand_margin_");
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "expand_margin_left", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_expand_margin", "get_expand_margin", SIDE_LEFT);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "expand_margin_top", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_expand_margin", "get_expand_margin", SIDE_TOP);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "expand_margin_right", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_expand_margin", "get_expand_margin", SIDE_RIGHT);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "expand_margin_bottom", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_expand_margin", "get_expand_margin", SIDE_BOTTOM);
-
-	ADD_GROUP("Axis Stretch", "axis_stretch_");
-	ADD_PROPERTY(PropertyInfo(Variant::INT, "axis_stretch_horizontal", PROPERTY_HINT_ENUM, "Stretch,Tile,Tile Fit"), "set_h_axis_stretch_mode", "get_h_axis_stretch_mode");
-	ADD_PROPERTY(PropertyInfo(Variant::INT, "axis_stretch_vertical", PROPERTY_HINT_ENUM, "Stretch,Tile,Tile Fit"), "set_v_axis_stretch_mode", "get_v_axis_stretch_mode");
-
-	ADD_GROUP("Sub-Region", "region_");
-	ADD_PROPERTY(PropertyInfo(Variant::RECT2, "region_rect", PROPERTY_HINT_NONE, "suffix:px"), "set_region_rect", "get_region_rect");
-
-	ADD_GROUP("Modulate", "modulate_");
-	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "modulate_color"), "set_modulate", "get_modulate");
-	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_center"), "set_draw_center", "is_draw_center_enabled");
-
-	BIND_ENUM_CONSTANT(AXIS_STRETCH_MODE_STRETCH);
-	BIND_ENUM_CONSTANT(AXIS_STRETCH_MODE_TILE);
-	BIND_ENUM_CONSTANT(AXIS_STRETCH_MODE_TILE_FIT);
-}
-
-StyleBoxTexture::StyleBoxTexture() {}
-
-StyleBoxTexture::~StyleBoxTexture() {}
-
-////////////////
-
-void StyleBoxFlat::set_bg_color(const Color &p_color) {
-	bg_color = p_color;
-	emit_changed();
-}
-
-Color StyleBoxFlat::get_bg_color() const {
-	return bg_color;
-}
-
-void StyleBoxFlat::set_border_color(const Color &p_color) {
-	border_color = p_color;
-	emit_changed();
-}
-
-Color StyleBoxFlat::get_border_color() const {
-	return border_color;
-}
-
-void StyleBoxFlat::set_border_width_all(int p_size) {
-	border_width[0] = p_size;
-	border_width[1] = p_size;
-	border_width[2] = p_size;
-	border_width[3] = p_size;
-	emit_changed();
-}
-
-int StyleBoxFlat::get_border_width_min() const {
-	return MIN(MIN(border_width[0], border_width[1]), MIN(border_width[2], border_width[3]));
-}
-
-void StyleBoxFlat::set_border_width(Side p_side, int p_width) {
-	ERR_FAIL_INDEX((int)p_side, 4);
-	border_width[p_side] = p_width;
-	emit_changed();
-}
-
-int StyleBoxFlat::get_border_width(Side p_side) const {
-	ERR_FAIL_INDEX_V((int)p_side, 4, 0);
-	return border_width[p_side];
-}
-
-void StyleBoxFlat::set_border_blend(bool p_blend) {
-	blend_border = p_blend;
-	emit_changed();
-}
-
-bool StyleBoxFlat::get_border_blend() const {
-	return blend_border;
-}
-
-void StyleBoxFlat::set_corner_radius_all(int radius) {
-	for (int i = 0; i < 4; i++) {
-		corner_radius[i] = radius;
-	}
-
-	emit_changed();
-}
-
-void StyleBoxFlat::set_corner_radius_individual(const int radius_top_left, const int radius_top_right, const int radius_bottom_right, const int radius_bottom_left) {
-	corner_radius[0] = radius_top_left;
-	corner_radius[1] = radius_top_right;
-	corner_radius[2] = radius_bottom_right;
-	corner_radius[3] = radius_bottom_left;
-
-	emit_changed();
-}
-
-void StyleBoxFlat::set_corner_radius(const Corner p_corner, const int radius) {
-	ERR_FAIL_INDEX((int)p_corner, 4);
-	corner_radius[p_corner] = radius;
-	emit_changed();
-}
-
-int StyleBoxFlat::get_corner_radius(const Corner p_corner) const {
-	ERR_FAIL_INDEX_V((int)p_corner, 4, 0);
-	return corner_radius[p_corner];
-}
-
-void StyleBoxFlat::set_expand_margin(Side p_side, float p_size) {
-	ERR_FAIL_INDEX((int)p_side, 4);
-	expand_margin[p_side] = p_size;
-	emit_changed();
-}
-
-void StyleBoxFlat::set_expand_margin_individual(float p_left, float p_top, float p_right, float p_bottom) {
-	expand_margin[SIDE_LEFT] = p_left;
-	expand_margin[SIDE_TOP] = p_top;
-	expand_margin[SIDE_RIGHT] = p_right;
-	expand_margin[SIDE_BOTTOM] = p_bottom;
-	emit_changed();
-}
-
-void StyleBoxFlat::set_expand_margin_all(float p_expand_margin_size) {
-	for (int i = 0; i < 4; i++) {
-		expand_margin[i] = p_expand_margin_size;
-	}
-	emit_changed();
-}
-
-float StyleBoxFlat::get_expand_margin(Side p_side) const {
-	ERR_FAIL_INDEX_V((int)p_side, 4, 0.0);
-	return expand_margin[p_side];
-}
-
-void StyleBoxFlat::set_draw_center(bool p_enabled) {
-	draw_center = p_enabled;
-	emit_changed();
-}
-
-bool StyleBoxFlat::is_draw_center_enabled() const {
-	return draw_center;
-}
-
-void StyleBoxFlat::set_skew(Vector2 p_skew) {
-	skew = p_skew;
-	emit_changed();
-}
-
-Vector2 StyleBoxFlat::get_skew() const {
-	return skew;
-}
-
-void StyleBoxFlat::set_shadow_color(const Color &p_color) {
-	shadow_color = p_color;
-	emit_changed();
-}
-
-Color StyleBoxFlat::get_shadow_color() const {
-	return shadow_color;
-}
-
-void StyleBoxFlat::set_shadow_size(const int &p_size) {
-	shadow_size = p_size;
-	emit_changed();
-}
-
-int StyleBoxFlat::get_shadow_size() const {
-	return shadow_size;
-}
-
-void StyleBoxFlat::set_shadow_offset(const Point2 &p_offset) {
-	shadow_offset = p_offset;
-	emit_changed();
-}
-
-Point2 StyleBoxFlat::get_shadow_offset() const {
-	return shadow_offset;
-}
-
-void StyleBoxFlat::set_anti_aliased(const bool &p_anti_aliased) {
-	anti_aliased = p_anti_aliased;
-	emit_changed();
-	notify_property_list_changed();
-}
-
-bool StyleBoxFlat::is_anti_aliased() const {
-	return anti_aliased;
-}
-
-void StyleBoxFlat::set_aa_size(const real_t p_aa_size) {
-	aa_size = CLAMP(p_aa_size, 0.01, 10);
-	emit_changed();
-}
-
-real_t StyleBoxFlat::get_aa_size() const {
-	return aa_size;
-}
-
-void StyleBoxFlat::set_corner_detail(const int &p_corner_detail) {
-	corner_detail = CLAMP(p_corner_detail, 1, 20);
-	emit_changed();
-}
-
-int StyleBoxFlat::get_corner_detail() const {
-	return corner_detail;
-}
-
-inline void set_inner_corner_radius(const Rect2 style_rect, const Rect2 inner_rect, const real_t corner_radius[4], real_t *inner_corner_radius) {
-	real_t border_left = inner_rect.position.x - style_rect.position.x;
-	real_t border_top = inner_rect.position.y - style_rect.position.y;
-	real_t border_right = style_rect.size.width - inner_rect.size.width - border_left;
-	real_t border_bottom = style_rect.size.height - inner_rect.size.height - border_top;
-
-	real_t rad;
-
-	// Top left.
-	rad = MIN(border_top, border_left);
-	inner_corner_radius[0] = MAX(corner_radius[0] - rad, 0);
-
-	// Top right;
-	rad = MIN(border_top, border_right);
-	inner_corner_radius[1] = MAX(corner_radius[1] - rad, 0);
-
-	// Bottom right.
-	rad = MIN(border_bottom, border_right);
-	inner_corner_radius[2] = MAX(corner_radius[2] - rad, 0);
-
-	// Bottom left.
-	rad = MIN(border_bottom, border_left);
-	inner_corner_radius[3] = MAX(corner_radius[3] - rad, 0);
-}
-
-inline void draw_rounded_rectangle(Vector<Vector2> &verts, Vector<int> &indices, Vector<Color> &colors, const Rect2 &style_rect, const real_t corner_radius[4],
-		const Rect2 &ring_rect, const Rect2 &inner_rect, const Color &inner_color, const Color &outer_color, const int corner_detail, const Vector2 &skew, bool is_filled = false) {
-	int vert_offset = verts.size();
-	if (!vert_offset) {
-		vert_offset = 0;
-	}
-
-	int adapted_corner_detail = (corner_radius[0] == 0 && corner_radius[1] == 0 && corner_radius[2] == 0 && corner_radius[3] == 0) ? 1 : corner_detail;
-
-	bool draw_border = !is_filled;
-
-	real_t ring_corner_radius[4];
-	set_inner_corner_radius(style_rect, ring_rect, corner_radius, ring_corner_radius);
-
-	// Corner radius center points.
-	Vector<Point2> outer_points = {
-		ring_rect.position + Vector2(ring_corner_radius[0], ring_corner_radius[0]), //tl
-		Point2(ring_rect.position.x + ring_rect.size.x - ring_corner_radius[1], ring_rect.position.y + ring_corner_radius[1]), //tr
-		ring_rect.position + ring_rect.size - Vector2(ring_corner_radius[2], ring_corner_radius[2]), //br
-		Point2(ring_rect.position.x + ring_corner_radius[3], ring_rect.position.y + ring_rect.size.y - ring_corner_radius[3]) //bl
-	};
-
-	real_t inner_corner_radius[4];
-	set_inner_corner_radius(style_rect, inner_rect, corner_radius, inner_corner_radius);
-
-	Vector<Point2> inner_points = {
-		inner_rect.position + Vector2(inner_corner_radius[0], inner_corner_radius[0]), //tl
-		Point2(inner_rect.position.x + inner_rect.size.x - inner_corner_radius[1], inner_rect.position.y + inner_corner_radius[1]), //tr
-		inner_rect.position + inner_rect.size - Vector2(inner_corner_radius[2], inner_corner_radius[2]), //br
-		Point2(inner_rect.position.x + inner_corner_radius[3], inner_rect.position.y + inner_rect.size.y - inner_corner_radius[3]) //bl
-	};
-	// Calculate the vertices.
-
-	// If the center is filled, we do not draw the border and directly use the inner ring as reference. Because all calls to this
-	// method either draw a ring or a filled rounded rectangle, but not both.
-	int max_inner_outer = draw_border ? 2 : 1;
-
-	for (int corner_index = 0; corner_index < 4; corner_index++) {
-		for (int detail = 0; detail <= adapted_corner_detail; detail++) {
-			for (int inner_outer = 0; inner_outer < max_inner_outer; inner_outer++) {
-				real_t radius;
-				Color color;
-				Point2 corner_point;
-				if (inner_outer == 0) {
-					radius = inner_corner_radius[corner_index];
-					color = inner_color;
-					corner_point = inner_points[corner_index];
-				} else {
-					radius = ring_corner_radius[corner_index];
-					color = outer_color;
-					corner_point = outer_points[corner_index];
-				}
-
-				const real_t x = radius * (real_t)cos((corner_index + detail / (double)adapted_corner_detail) * (Math_TAU / 4.0) + Math_PI) + corner_point.x;
-				const real_t y = radius * (real_t)sin((corner_index + detail / (double)adapted_corner_detail) * (Math_TAU / 4.0) + Math_PI) + corner_point.y;
-				const float x_skew = -skew.x * (y - ring_rect.get_center().y);
-				const float y_skew = -skew.y * (x - ring_rect.get_center().x);
-				verts.push_back(Vector2(x + x_skew, y + y_skew));
-				colors.push_back(color);
-			}
-		}
-	}
-
-	int ring_vert_count = verts.size() - vert_offset;
-
-	// Fill the indices and the colors for the border.
-
-	if (draw_border) {
-		for (int i = 0; i < ring_vert_count; i++) {
-			indices.push_back(vert_offset + ((i + 0) % ring_vert_count));
-			indices.push_back(vert_offset + ((i + 2) % ring_vert_count));
-			indices.push_back(vert_offset + ((i + 1) % ring_vert_count));
-		}
-	}
-
-	if (is_filled) {
-		// Compute the triangles pattern to draw the rounded rectangle.
-		// Consists of vertical stripes of two triangles each.
-
-		int stripes_count = ring_vert_count / 2 - 1;
-		int last_vert_id = ring_vert_count - 1;
-
-		for (int i = 0; i < stripes_count; i++) {
-			// Polygon 1.
-			indices.push_back(vert_offset + i);
-			indices.push_back(vert_offset + last_vert_id - i - 1);
-			indices.push_back(vert_offset + i + 1);
-			// Polygon 2.
-			indices.push_back(vert_offset + i);
-			indices.push_back(vert_offset + last_vert_id - 0 - i);
-			indices.push_back(vert_offset + last_vert_id - 1 - i);
-		}
-	}
-}
-
-inline void adapt_values(int p_index_a, int p_index_b, real_t *adapted_values, const real_t *p_values, const real_t p_width, const real_t p_max_a, const real_t p_max_b) {
-	if (p_values[p_index_a] + p_values[p_index_b] > p_width) {
-		real_t factor;
-		real_t new_value;
-
-		factor = (real_t)p_width / (real_t)(p_values[p_index_a] + p_values[p_index_b]);
-
-		new_value = (p_values[p_index_a] * factor);
-		if (new_value < adapted_values[p_index_a]) {
-			adapted_values[p_index_a] = new_value;
-		}
-		new_value = (p_values[p_index_b] * factor);
-		if (new_value < adapted_values[p_index_b]) {
-			adapted_values[p_index_b] = new_value;
-		}
-	} else {
-		adapted_values[p_index_a] = MIN(p_values[p_index_a], adapted_values[p_index_a]);
-		adapted_values[p_index_b] = MIN(p_values[p_index_b], adapted_values[p_index_b]);
-	}
-	adapted_values[p_index_a] = MIN(p_max_a, adapted_values[p_index_a]);
-	adapted_values[p_index_b] = MIN(p_max_b, adapted_values[p_index_b]);
-}
-
-Rect2 StyleBoxFlat::get_draw_rect(const Rect2 &p_rect) const {
-	Rect2 draw_rect = p_rect.grow_individual(expand_margin[SIDE_LEFT], expand_margin[SIDE_TOP], expand_margin[SIDE_RIGHT], expand_margin[SIDE_BOTTOM]);
-
-	if (shadow_size > 0) {
-		Rect2 shadow_rect = draw_rect.grow(shadow_size);
-		shadow_rect.position += shadow_offset;
-		draw_rect = draw_rect.merge(shadow_rect);
-	}
-
-	return draw_rect;
-}
-
-void StyleBoxFlat::draw(RID p_canvas_item, const Rect2 &p_rect) const {
-	bool draw_border = (border_width[0] > 0) || (border_width[1] > 0) || (border_width[2] > 0) || (border_width[3] > 0);
-	bool draw_shadow = (shadow_size > 0);
-	if (!draw_border && !draw_center && !draw_shadow) {
-		return;
-	}
-
-	Rect2 style_rect = p_rect.grow_individual(expand_margin[SIDE_LEFT], expand_margin[SIDE_TOP], expand_margin[SIDE_RIGHT], expand_margin[SIDE_BOTTOM]);
-	if (Math::is_zero_approx(style_rect.size.width) || Math::is_zero_approx(style_rect.size.height)) {
-		return;
-	}
-
-	const bool rounded_corners = (corner_radius[0] > 0) || (corner_radius[1] > 0) || (corner_radius[2] > 0) || (corner_radius[3] > 0);
-	// Only enable antialiasing if it is actually needed. This improve performances
-	// and maximizes sharpness for non-skewed StyleBoxes with sharp corners.
-	const bool aa_on = (rounded_corners || !skew.is_zero_approx()) && anti_aliased;
-
-	const bool blend_on = blend_border && draw_border;
-
-	Color border_color_alpha = Color(border_color.r, border_color.g, border_color.b, 0);
-	Color border_color_blend = (draw_center ? bg_color : border_color_alpha);
-	Color border_color_inner = blend_on ? border_color_blend : border_color;
-
-	// Adapt borders (prevent weird overlapping/glitchy drawings).
-	real_t width = MAX(style_rect.size.width, 0);
-	real_t height = MAX(style_rect.size.height, 0);
-	real_t adapted_border[4] = { 1000000.0, 1000000.0, 1000000.0, 1000000.0 };
-	adapt_values(SIDE_TOP, SIDE_BOTTOM, adapted_border, border_width, height, height, height);
-	adapt_values(SIDE_LEFT, SIDE_RIGHT, adapted_border, border_width, width, width, width);
-
-	// Adapt corners (prevent weird overlapping/glitchy drawings).
-	real_t adapted_corner[4] = { 1000000.0, 1000000.0, 1000000.0, 1000000.0 };
-	adapt_values(CORNER_TOP_RIGHT, CORNER_BOTTOM_RIGHT, adapted_corner, corner_radius, height, height - adapted_border[SIDE_BOTTOM], height - adapted_border[SIDE_TOP]);
-	adapt_values(CORNER_TOP_LEFT, CORNER_BOTTOM_LEFT, adapted_corner, corner_radius, height, height - adapted_border[SIDE_BOTTOM], height - adapted_border[SIDE_TOP]);
-	adapt_values(CORNER_TOP_LEFT, CORNER_TOP_RIGHT, adapted_corner, corner_radius, width, width - adapted_border[SIDE_RIGHT], width - adapted_border[SIDE_LEFT]);
-	adapt_values(CORNER_BOTTOM_LEFT, CORNER_BOTTOM_RIGHT, adapted_corner, corner_radius, width, width - adapted_border[SIDE_RIGHT], width - adapted_border[SIDE_LEFT]);
-
-	Rect2 infill_rect = style_rect.grow_individual(-adapted_border[SIDE_LEFT], -adapted_border[SIDE_TOP], -adapted_border[SIDE_RIGHT], -adapted_border[SIDE_BOTTOM]);
-
-	Rect2 border_style_rect = style_rect;
-	if (aa_on) {
-		for (int i = 0; i < 4; i++) {
-			if (border_width[i] > 0) {
-				border_style_rect = border_style_rect.grow_side((Side)i, -aa_size);
-			}
-		}
-	}
-
-	Vector<Point2> verts;
-	Vector<int> indices;
-	Vector<Color> colors;
-	Vector<Point2> uvs;
-
-	// Create shadow
-	if (draw_shadow) {
-		Rect2 shadow_inner_rect = style_rect;
-		shadow_inner_rect.position += shadow_offset;
-
-		Rect2 shadow_rect = style_rect.grow(shadow_size);
-		shadow_rect.position += shadow_offset;
-
-		Color shadow_color_transparent = Color(shadow_color.r, shadow_color.g, shadow_color.b, 0);
-
-		draw_rounded_rectangle(verts, indices, colors, shadow_inner_rect, adapted_corner,
-				shadow_rect, shadow_inner_rect, shadow_color, shadow_color_transparent, corner_detail, skew);
-
-		if (draw_center) {
-			draw_rounded_rectangle(verts, indices, colors, shadow_inner_rect, adapted_corner,
-					shadow_inner_rect, shadow_inner_rect, shadow_color, shadow_color, corner_detail, skew, true);
-		}
-	}
-
-	// Create border (no AA).
-	if (draw_border && !aa_on) {
-		draw_rounded_rectangle(verts, indices, colors, border_style_rect, adapted_corner,
-				border_style_rect, infill_rect, border_color_inner, border_color, corner_detail, skew);
-	}
-
-	// Create infill (no AA).
-	if (draw_center && (!aa_on || blend_on)) {
-		draw_rounded_rectangle(verts, indices, colors, border_style_rect, adapted_corner,
-				infill_rect, infill_rect, bg_color, bg_color, corner_detail, skew, true);
-	}
-
-	if (aa_on) {
-		real_t aa_border_width[4];
-		real_t aa_border_width_half[4];
-		real_t aa_fill_width[4];
-		real_t aa_fill_width_half[4];
-		if (draw_border) {
-			for (int i = 0; i < 4; i++) {
-				if (border_width[i] > 0) {
-					aa_border_width[i] = aa_size;
-					aa_border_width_half[i] = aa_size / 2;
-					aa_fill_width[i] = 0;
-					aa_fill_width_half[i] = 0;
-				} else {
-					aa_border_width[i] = 0;
-					aa_border_width_half[i] = 0;
-					aa_fill_width[i] = aa_size;
-					aa_fill_width_half[i] = aa_size / 2;
-				}
-			}
-		} else {
-			for (int i = 0; i < 4; i++) {
-				aa_border_width[i] = 0;
-				aa_border_width_half[i] = 0;
-				aa_fill_width[i] = aa_size;
-				aa_fill_width_half[i] = aa_size / 2;
-			}
-		}
-
-		if (draw_center) {
-			// Infill rect, transparent side of antialiasing gradient (base infill rect enlarged by AA size)
-			Rect2 infill_rect_aa_transparent = infill_rect.grow_individual(aa_fill_width_half[SIDE_LEFT], aa_fill_width_half[SIDE_TOP],
-					aa_fill_width_half[SIDE_RIGHT], aa_fill_width_half[SIDE_BOTTOM]);
-			// Infill rect, colored side of antialiasing gradient (base infill rect shrunk by AA size)
-			Rect2 infill_rect_aa_colored = infill_rect_aa_transparent.grow_individual(-aa_fill_width[SIDE_LEFT], -aa_fill_width[SIDE_TOP],
-					-aa_fill_width[SIDE_RIGHT], -aa_fill_width[SIDE_BOTTOM]);
-			if (!blend_on) {
-				// Create center fill, not antialiased yet
-				draw_rounded_rectangle(verts, indices, colors, border_style_rect, adapted_corner,
-						infill_rect_aa_colored, infill_rect_aa_colored, bg_color, bg_color, corner_detail, skew, true);
-			}
-			if (!blend_on || !draw_border) {
-				Color alpha_bg = Color(bg_color.r, bg_color.g, bg_color.b, 0);
-				// Add antialiasing on the center fill
-				draw_rounded_rectangle(verts, indices, colors, border_style_rect, adapted_corner,
-						infill_rect_aa_transparent, infill_rect_aa_colored, bg_color, alpha_bg, corner_detail, skew);
-			}
-		}
-
-		if (draw_border) {
-			// Inner border recct, fully colored side of antialiasing gradient (base inner rect enlarged by AA size)
-			Rect2 inner_rect_aa_colored = infill_rect.grow_individual(aa_border_width_half[SIDE_LEFT], aa_border_width_half[SIDE_TOP],
-					aa_border_width_half[SIDE_RIGHT], aa_border_width_half[SIDE_BOTTOM]);
-			// Inner border rect, transparent side of antialiasing gradient (base inner rect shrunk by AA size)
-			Rect2 inner_rect_aa_transparent = inner_rect_aa_colored.grow_individual(-aa_border_width[SIDE_LEFT], -aa_border_width[SIDE_TOP],
-					-aa_border_width[SIDE_RIGHT], -aa_border_width[SIDE_BOTTOM]);
-			// Outer border rect, transparent side of antialiasing gradient (base outer rect enlarged by AA size)
-			Rect2 outer_rect_aa_transparent = style_rect.grow_individual(aa_border_width_half[SIDE_LEFT], aa_border_width_half[SIDE_TOP],
-					aa_border_width_half[SIDE_RIGHT], aa_border_width_half[SIDE_BOTTOM]);
-			// Outer border rect, colored side of antialiasing gradient (base outer rect shrunk by AA size)
-			Rect2 outer_rect_aa_colored = border_style_rect.grow_individual(aa_border_width_half[SIDE_LEFT], aa_border_width_half[SIDE_TOP],
-					aa_border_width_half[SIDE_RIGHT], aa_border_width_half[SIDE_BOTTOM]);
-
-			// Create border ring, not antialiased yet
-			draw_rounded_rectangle(verts, indices, colors, border_style_rect, adapted_corner,
-					outer_rect_aa_colored, ((blend_on) ? infill_rect : inner_rect_aa_colored), border_color_inner, border_color, corner_detail, skew);
-			if (!blend_on) {
-				// Add antialiasing on the ring inner border
-				draw_rounded_rectangle(verts, indices, colors, border_style_rect, adapted_corner,
-						inner_rect_aa_colored, inner_rect_aa_transparent, border_color_blend, border_color, corner_detail, skew);
-			}
-			// Add antialiasing on the ring outer border
-			draw_rounded_rectangle(verts, indices, colors, border_style_rect, adapted_corner,
-					outer_rect_aa_transparent, outer_rect_aa_colored, border_color, border_color_alpha, corner_detail, skew);
-		}
-	}
-
-	// Compute UV coordinates.
-	Rect2 uv_rect = style_rect.grow(aa_on ? aa_size : 0);
-	uvs.resize(verts.size());
-	for (int i = 0; i < verts.size(); i++) {
-		uvs.write[i].x = (verts[i].x - uv_rect.position.x) / uv_rect.size.width;
-		uvs.write[i].y = (verts[i].y - uv_rect.position.y) / uv_rect.size.height;
-	}
-
-	// Draw stylebox.
-	RenderingServer *vs = RenderingServer::get_singleton();
-	vs->canvas_item_add_triangle_array(p_canvas_item, indices, verts, colors, uvs);
-}
-
-float StyleBoxFlat::get_style_margin(Side p_side) const {
-	ERR_FAIL_INDEX_V((int)p_side, 4, 0.0);
-	return border_width[p_side];
-}
-
-void StyleBoxFlat::_validate_property(PropertyInfo &p_property) const {
-	if (!anti_aliased && p_property.name == "anti_aliasing_size") {
-		p_property.usage = PROPERTY_USAGE_NO_EDITOR;
-	}
-}
-
-void StyleBoxFlat::_bind_methods() {
-	ClassDB::bind_method(D_METHOD("set_bg_color", "color"), &StyleBoxFlat::set_bg_color);
-	ClassDB::bind_method(D_METHOD("get_bg_color"), &StyleBoxFlat::get_bg_color);
-
-	ClassDB::bind_method(D_METHOD("set_border_color", "color"), &StyleBoxFlat::set_border_color);
-	ClassDB::bind_method(D_METHOD("get_border_color"), &StyleBoxFlat::get_border_color);
-
-	ClassDB::bind_method(D_METHOD("set_border_width_all", "width"), &StyleBoxFlat::set_border_width_all);
-	ClassDB::bind_method(D_METHOD("get_border_width_min"), &StyleBoxFlat::get_border_width_min);
-
-	ClassDB::bind_method(D_METHOD("set_border_width", "margin", "width"), &StyleBoxFlat::set_border_width);
-	ClassDB::bind_method(D_METHOD("get_border_width", "margin"), &StyleBoxFlat::get_border_width);
-
-	ClassDB::bind_method(D_METHOD("set_border_blend", "blend"), &StyleBoxFlat::set_border_blend);
-	ClassDB::bind_method(D_METHOD("get_border_blend"), &StyleBoxFlat::get_border_blend);
-
-	ClassDB::bind_method(D_METHOD("set_corner_radius_all", "radius"), &StyleBoxFlat::set_corner_radius_all);
-
-	ClassDB::bind_method(D_METHOD("set_corner_radius", "corner", "radius"), &StyleBoxFlat::set_corner_radius);
-	ClassDB::bind_method(D_METHOD("get_corner_radius", "corner"), &StyleBoxFlat::get_corner_radius);
-
-	ClassDB::bind_method(D_METHOD("set_expand_margin", "margin", "size"), &StyleBoxFlat::set_expand_margin);
-	ClassDB::bind_method(D_METHOD("set_expand_margin_all", "size"), &StyleBoxFlat::set_expand_margin_all);
-	ClassDB::bind_method(D_METHOD("get_expand_margin", "margin"), &StyleBoxFlat::get_expand_margin);
-
-	ClassDB::bind_method(D_METHOD("set_draw_center", "draw_center"), &StyleBoxFlat::set_draw_center);
-	ClassDB::bind_method(D_METHOD("is_draw_center_enabled"), &StyleBoxFlat::is_draw_center_enabled);
-
-	ClassDB::bind_method(D_METHOD("set_skew", "skew"), &StyleBoxFlat::set_skew);
-	ClassDB::bind_method(D_METHOD("get_skew"), &StyleBoxFlat::get_skew);
-
-	ClassDB::bind_method(D_METHOD("set_shadow_color", "color"), &StyleBoxFlat::set_shadow_color);
-	ClassDB::bind_method(D_METHOD("get_shadow_color"), &StyleBoxFlat::get_shadow_color);
-
-	ClassDB::bind_method(D_METHOD("set_shadow_size", "size"), &StyleBoxFlat::set_shadow_size);
-	ClassDB::bind_method(D_METHOD("get_shadow_size"), &StyleBoxFlat::get_shadow_size);
-
-	ClassDB::bind_method(D_METHOD("set_shadow_offset", "offset"), &StyleBoxFlat::set_shadow_offset);
-	ClassDB::bind_method(D_METHOD("get_shadow_offset"), &StyleBoxFlat::get_shadow_offset);
-
-	ClassDB::bind_method(D_METHOD("set_anti_aliased", "anti_aliased"), &StyleBoxFlat::set_anti_aliased);
-	ClassDB::bind_method(D_METHOD("is_anti_aliased"), &StyleBoxFlat::is_anti_aliased);
-
-	ClassDB::bind_method(D_METHOD("set_aa_size", "size"), &StyleBoxFlat::set_aa_size);
-	ClassDB::bind_method(D_METHOD("get_aa_size"), &StyleBoxFlat::get_aa_size);
-
-	ClassDB::bind_method(D_METHOD("set_corner_detail", "detail"), &StyleBoxFlat::set_corner_detail);
-	ClassDB::bind_method(D_METHOD("get_corner_detail"), &StyleBoxFlat::get_corner_detail);
-
-	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "bg_color"), "set_bg_color", "get_bg_color");
-
-	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_center"), "set_draw_center", "is_draw_center_enabled");
-	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "skew"), "set_skew", "get_skew");
-
-	ADD_GROUP("Border Width", "border_width_");
-	ADD_PROPERTYI(PropertyInfo(Variant::INT, "border_width_left", PROPERTY_HINT_RANGE, "0,1024,1,suffix:px"), "set_border_width", "get_border_width", SIDE_LEFT);
-	ADD_PROPERTYI(PropertyInfo(Variant::INT, "border_width_top", PROPERTY_HINT_RANGE, "0,1024,1,suffix:px"), "set_border_width", "get_border_width", SIDE_TOP);
-	ADD_PROPERTYI(PropertyInfo(Variant::INT, "border_width_right", PROPERTY_HINT_RANGE, "0,1024,1,suffix:px"), "set_border_width", "get_border_width", SIDE_RIGHT);
-	ADD_PROPERTYI(PropertyInfo(Variant::INT, "border_width_bottom", PROPERTY_HINT_RANGE, "0,1024,1,suffix:px"), "set_border_width", "get_border_width", SIDE_BOTTOM);
-
-	ADD_GROUP("Border", "border_");
-	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "border_color"), "set_border_color", "get_border_color");
-
-	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "border_blend"), "set_border_blend", "get_border_blend");
-
-	ADD_GROUP("Corner Radius", "corner_radius_");
-	ADD_PROPERTYI(PropertyInfo(Variant::INT, "corner_radius_top_left", PROPERTY_HINT_RANGE, "0,1024,1,suffix:px"), "set_corner_radius", "get_corner_radius", CORNER_TOP_LEFT);
-	ADD_PROPERTYI(PropertyInfo(Variant::INT, "corner_radius_top_right", PROPERTY_HINT_RANGE, "0,1024,1,suffix:px"), "set_corner_radius", "get_corner_radius", CORNER_TOP_RIGHT);
-	ADD_PROPERTYI(PropertyInfo(Variant::INT, "corner_radius_bottom_right", PROPERTY_HINT_RANGE, "0,1024,1,suffix:px"), "set_corner_radius", "get_corner_radius", CORNER_BOTTOM_RIGHT);
-	ADD_PROPERTYI(PropertyInfo(Variant::INT, "corner_radius_bottom_left", PROPERTY_HINT_RANGE, "0,1024,1,suffix:px"), "set_corner_radius", "get_corner_radius", CORNER_BOTTOM_LEFT);
-
-	ADD_PROPERTY(PropertyInfo(Variant::INT, "corner_detail", PROPERTY_HINT_RANGE, "1,20,1"), "set_corner_detail", "get_corner_detail");
-
-	ADD_GROUP("Expand Margins", "expand_margin_");
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "expand_margin_left", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_expand_margin", "get_expand_margin", SIDE_LEFT);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "expand_margin_top", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_expand_margin", "get_expand_margin", SIDE_TOP);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "expand_margin_right", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_expand_margin", "get_expand_margin", SIDE_RIGHT);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "expand_margin_bottom", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_expand_margin", "get_expand_margin", SIDE_BOTTOM);
-
-	ADD_GROUP("Shadow", "shadow_");
-	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "shadow_color"), "set_shadow_color", "get_shadow_color");
-	ADD_PROPERTY(PropertyInfo(Variant::INT, "shadow_size", PROPERTY_HINT_RANGE, "0,100,1,or_greater,suffix:px"), "set_shadow_size", "get_shadow_size");
-	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "shadow_offset", PROPERTY_HINT_NONE, "suffix:px"), "set_shadow_offset", "get_shadow_offset");
-
-	ADD_GROUP("Anti Aliasing", "anti_aliasing_");
-	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "anti_aliasing"), "set_anti_aliased", "is_anti_aliased");
-	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "anti_aliasing_size", PROPERTY_HINT_RANGE, "0.01,10,0.001,suffix:px"), "set_aa_size", "get_aa_size");
-}
-
-StyleBoxFlat::StyleBoxFlat() {}
-
-StyleBoxFlat::~StyleBoxFlat() {}
-
-void StyleBoxLine::set_color(const Color &p_color) {
-	color = p_color;
-	emit_changed();
-}
-
-Color StyleBoxLine::get_color() const {
-	return color;
-}
-
-void StyleBoxLine::set_thickness(int p_thickness) {
-	thickness = p_thickness;
-	emit_changed();
-}
-
-int StyleBoxLine::get_thickness() const {
-	return thickness;
-}
-
-void StyleBoxLine::set_vertical(bool p_vertical) {
-	vertical = p_vertical;
-	emit_changed();
-}
-
-bool StyleBoxLine::is_vertical() const {
-	return vertical;
-}
-
-void StyleBoxLine::set_grow_end(float p_grow_end) {
-	grow_end = p_grow_end;
-	emit_changed();
-}
-
-float StyleBoxLine::get_grow_end() const {
-	return grow_end;
-}
-
-void StyleBoxLine::set_grow_begin(float p_grow_begin) {
-	grow_begin = p_grow_begin;
-	emit_changed();
-}
-
-float StyleBoxLine::get_grow_begin() const {
-	return grow_begin;
-}
-
-void StyleBoxLine::_bind_methods() {
-	ClassDB::bind_method(D_METHOD("set_color", "color"), &StyleBoxLine::set_color);
-	ClassDB::bind_method(D_METHOD("get_color"), &StyleBoxLine::get_color);
-	ClassDB::bind_method(D_METHOD("set_thickness", "thickness"), &StyleBoxLine::set_thickness);
-	ClassDB::bind_method(D_METHOD("get_thickness"), &StyleBoxLine::get_thickness);
-	ClassDB::bind_method(D_METHOD("set_grow_begin", "offset"), &StyleBoxLine::set_grow_begin);
-	ClassDB::bind_method(D_METHOD("get_grow_begin"), &StyleBoxLine::get_grow_begin);
-	ClassDB::bind_method(D_METHOD("set_grow_end", "offset"), &StyleBoxLine::set_grow_end);
-	ClassDB::bind_method(D_METHOD("get_grow_end"), &StyleBoxLine::get_grow_end);
-	ClassDB::bind_method(D_METHOD("set_vertical", "vertical"), &StyleBoxLine::set_vertical);
-	ClassDB::bind_method(D_METHOD("is_vertical"), &StyleBoxLine::is_vertical);
-
-	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_color", "get_color");
-	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "grow_begin", PROPERTY_HINT_RANGE, "-300,300,1,suffix:px"), "set_grow_begin", "get_grow_begin");
-	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "grow_end", PROPERTY_HINT_RANGE, "-300,300,1,suffix:px"), "set_grow_end", "get_grow_end");
-	ADD_PROPERTY(PropertyInfo(Variant::INT, "thickness", PROPERTY_HINT_RANGE, "0,100,suffix:px"), "set_thickness", "get_thickness");
-	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "vertical"), "set_vertical", "is_vertical");
-}
-
-float StyleBoxLine::get_style_margin(Side p_side) const {
-	ERR_FAIL_INDEX_V((int)p_side, 4, 0);
-
-	if (vertical) {
-		if (p_side == SIDE_LEFT || p_side == SIDE_RIGHT) {
-			return thickness / 2.0;
-		}
-	} else if (p_side == SIDE_TOP || p_side == SIDE_BOTTOM) {
-		return thickness / 2.0;
-	}
-
-	return 0;
-}
-
-void StyleBoxLine::draw(RID p_canvas_item, const Rect2 &p_rect) const {
-	RenderingServer *vs = RenderingServer::get_singleton();
-	Rect2i r = p_rect;
-
-	if (vertical) {
-		r.position.y -= grow_begin;
-		r.size.y += (grow_begin + grow_end);
-		r.size.x = thickness;
-	} else {
-		r.position.x -= grow_begin;
-		r.size.x += (grow_begin + grow_end);
-		r.size.y = thickness;
-	}
-
-	vs->canvas_item_add_rect(p_canvas_item, r, color);
-}
-
-StyleBoxLine::StyleBoxLine() {}
-
-StyleBoxLine::~StyleBoxLine() {}
diff --git a/scene/resources/style_box.h b/scene/resources/style_box.h
index 9d96e9a3b7f..3f9a96be2f0 100644
--- a/scene/resources/style_box.h
+++ b/scene/resources/style_box.h
@@ -32,8 +32,9 @@
 #define STYLE_BOX_H
 
 #include "core/io/resource.h"
-#include "scene/resources/texture.h"
-#include "servers/rendering_server.h"
+#include "core/object/class_db.h"
+#include "core/object/gdvirtual.gen.inc"
+#include "core/object/script_language.h"
 
 class CanvasItem;
 
@@ -41,11 +42,12 @@ class StyleBox : public Resource {
 	GDCLASS(StyleBox, Resource);
 	RES_BASE_EXTENSION("stylebox");
 	OBJ_SAVE_TYPE(StyleBox);
+
 	float content_margin[4];
 
 protected:
-	virtual float get_style_margin(Side p_side) const { return 0; }
 	static void _bind_methods();
+	virtual float get_style_margin(Side p_side) const { return 0; }
 
 	GDVIRTUAL2C(_draw, RID, Rect2)
 	GDVIRTUAL1RC(Rect2, _get_draw_rect, Rect2)
@@ -82,184 +84,4 @@ public:
 	StyleBoxEmpty() {}
 };
 
-class StyleBoxTexture : public StyleBox {
-	GDCLASS(StyleBoxTexture, StyleBox);
-
-public:
-	enum AxisStretchMode {
-		AXIS_STRETCH_MODE_STRETCH,
-		AXIS_STRETCH_MODE_TILE,
-		AXIS_STRETCH_MODE_TILE_FIT,
-	};
-
-private:
-	float expand_margin[4] = {};
-	float texture_margin[4] = {};
-	Rect2 region_rect;
-	Ref<Texture2D> texture;
-	bool draw_center = true;
-	Color modulate = Color(1, 1, 1, 1);
-	AxisStretchMode axis_h = AXIS_STRETCH_MODE_STRETCH;
-	AxisStretchMode axis_v = AXIS_STRETCH_MODE_STRETCH;
-
-protected:
-	virtual float get_style_margin(Side p_side) const override;
-	static void _bind_methods();
-
-public:
-	void set_expand_margin(Side p_expand_side, float p_size);
-	void set_expand_margin_all(float p_expand_margin_size);
-	void set_expand_margin_individual(float p_left, float p_top, float p_right, float p_bottom);
-	float get_expand_margin(Side p_expand_side) const;
-
-	void set_texture_margin(Side p_side, float p_size);
-	void set_texture_margin_all(float p_size);
-	void set_texture_margin_individual(float p_left, float p_top, float p_right, float p_bottom);
-	float get_texture_margin(Side p_side) const;
-
-	void set_region_rect(const Rect2 &p_region_rect);
-	Rect2 get_region_rect() const;
-
-	void set_texture(Ref<Texture2D> p_texture);
-	Ref<Texture2D> get_texture() const;
-
-	void set_draw_center(bool p_enabled);
-	bool is_draw_center_enabled() const;
-
-	void set_h_axis_stretch_mode(AxisStretchMode p_mode);
-	AxisStretchMode get_h_axis_stretch_mode() const;
-
-	void set_v_axis_stretch_mode(AxisStretchMode p_mode);
-	AxisStretchMode get_v_axis_stretch_mode() const;
-
-	void set_modulate(const Color &p_modulate);
-	Color get_modulate() const;
-
-	virtual Rect2 get_draw_rect(const Rect2 &p_rect) const override;
-	virtual void draw(RID p_canvas_item, const Rect2 &p_rect) const override;
-
-	StyleBoxTexture();
-	~StyleBoxTexture();
-};
-
-VARIANT_ENUM_CAST(StyleBoxTexture::AxisStretchMode)
-
-class StyleBoxFlat : public StyleBox {
-	GDCLASS(StyleBoxFlat, StyleBox);
-
-	Color bg_color = Color(0.6, 0.6, 0.6);
-	Color shadow_color = Color(0, 0, 0, 0.6);
-	Color border_color = Color(0.8, 0.8, 0.8);
-
-	real_t border_width[4] = {};
-	real_t expand_margin[4] = {};
-	real_t corner_radius[4] = {};
-
-	bool draw_center = true;
-	bool blend_border = false;
-	Vector2 skew;
-	bool anti_aliased = true;
-
-	int corner_detail = 8;
-	int shadow_size = 0;
-	Point2 shadow_offset;
-	real_t aa_size = 1;
-
-protected:
-	virtual float get_style_margin(Side p_side) const override;
-	static void _bind_methods();
-	void _validate_property(PropertyInfo &p_property) const;
-
-public:
-	void set_bg_color(const Color &p_color);
-	Color get_bg_color() const;
-
-	void set_border_color(const Color &p_color);
-	Color get_border_color() const;
-
-	void set_border_width_all(int p_size);
-	int get_border_width_min() const;
-
-	void set_border_width(Side p_side, int p_width);
-	int get_border_width(Side p_side) const;
-
-	void set_border_blend(bool p_blend);
-	bool get_border_blend() const;
-
-	void set_corner_radius_all(int radius);
-	void set_corner_radius_individual(const int radius_top_left, const int radius_top_right, const int radius_bottom_right, const int radius_bottom_left);
-
-	void set_corner_radius(Corner p_corner, const int radius);
-	int get_corner_radius(Corner p_corner) const;
-
-	void set_corner_detail(const int &p_corner_detail);
-	int get_corner_detail() const;
-
-	void set_expand_margin(Side p_expand_side, float p_size);
-	void set_expand_margin_all(float p_expand_margin_size);
-	void set_expand_margin_individual(float p_left, float p_top, float p_right, float p_bottom);
-	float get_expand_margin(Side p_expand_side) const;
-
-	void set_draw_center(bool p_enabled);
-	bool is_draw_center_enabled() const;
-
-	void set_skew(Vector2 p_skew);
-	Vector2 get_skew() const;
-
-	void set_shadow_color(const Color &p_color);
-	Color get_shadow_color() const;
-
-	void set_shadow_size(const int &p_size);
-	int get_shadow_size() const;
-
-	void set_shadow_offset(const Point2 &p_offset);
-	Point2 get_shadow_offset() const;
-
-	void set_anti_aliased(const bool &p_anti_aliased);
-	bool is_anti_aliased() const;
-	void set_aa_size(const real_t p_aa_size);
-	real_t get_aa_size() const;
-
-	virtual Rect2 get_draw_rect(const Rect2 &p_rect) const override;
-	virtual void draw(RID p_canvas_item, const Rect2 &p_rect) const override;
-
-	StyleBoxFlat();
-	~StyleBoxFlat();
-};
-
-// Just used to draw lines.
-class StyleBoxLine : public StyleBox {
-	GDCLASS(StyleBoxLine, StyleBox);
-	Color color;
-	int thickness = 1;
-	bool vertical = false;
-	float grow_begin = 1.0;
-	float grow_end = 1.0;
-
-protected:
-	virtual float get_style_margin(Side p_side) const override;
-	static void _bind_methods();
-
-public:
-	void set_color(const Color &p_color);
-	Color get_color() const;
-
-	void set_thickness(int p_thickness);
-	int get_thickness() const;
-
-	void set_vertical(bool p_vertical);
-	bool is_vertical() const;
-
-	void set_grow_begin(float p_grow);
-	float get_grow_begin() const;
-
-	void set_grow_end(float p_grow);
-	float get_grow_end() const;
-
-	virtual void draw(RID p_canvas_item, const Rect2 &p_rect) const override;
-
-	StyleBoxLine();
-	~StyleBoxLine();
-};
-
 #endif // STYLE_BOX_H
diff --git a/scene/resources/style_box_flat.cpp b/scene/resources/style_box_flat.cpp
new file mode 100644
index 00000000000..52d02e92cb4
--- /dev/null
+++ b/scene/resources/style_box_flat.cpp
@@ -0,0 +1,642 @@
+/**************************************************************************/
+/*  style_box_flat.cpp                                                    */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "style_box_flat.h"
+
+#include "servers/rendering_server.h"
+
+float StyleBoxFlat::get_style_margin(Side p_side) const {
+	ERR_FAIL_INDEX_V((int)p_side, 4, 0.0);
+	return border_width[p_side];
+}
+
+void StyleBoxFlat::_validate_property(PropertyInfo &p_property) const {
+	if (!anti_aliased && p_property.name == "anti_aliasing_size") {
+		p_property.usage = PROPERTY_USAGE_NO_EDITOR;
+	}
+}
+
+void StyleBoxFlat::set_bg_color(const Color &p_color) {
+	bg_color = p_color;
+	emit_changed();
+}
+
+Color StyleBoxFlat::get_bg_color() const {
+	return bg_color;
+}
+
+void StyleBoxFlat::set_border_color(const Color &p_color) {
+	border_color = p_color;
+	emit_changed();
+}
+
+Color StyleBoxFlat::get_border_color() const {
+	return border_color;
+}
+
+void StyleBoxFlat::set_border_width_all(int p_size) {
+	border_width[0] = p_size;
+	border_width[1] = p_size;
+	border_width[2] = p_size;
+	border_width[3] = p_size;
+	emit_changed();
+}
+
+int StyleBoxFlat::get_border_width_min() const {
+	return MIN(MIN(border_width[0], border_width[1]), MIN(border_width[2], border_width[3]));
+}
+
+void StyleBoxFlat::set_border_width(Side p_side, int p_width) {
+	ERR_FAIL_INDEX((int)p_side, 4);
+	border_width[p_side] = p_width;
+	emit_changed();
+}
+
+int StyleBoxFlat::get_border_width(Side p_side) const {
+	ERR_FAIL_INDEX_V((int)p_side, 4, 0);
+	return border_width[p_side];
+}
+
+void StyleBoxFlat::set_border_blend(bool p_blend) {
+	blend_border = p_blend;
+	emit_changed();
+}
+
+bool StyleBoxFlat::get_border_blend() const {
+	return blend_border;
+}
+
+void StyleBoxFlat::set_corner_radius(const Corner p_corner, const int radius) {
+	ERR_FAIL_INDEX((int)p_corner, 4);
+	corner_radius[p_corner] = radius;
+	emit_changed();
+}
+
+void StyleBoxFlat::set_corner_radius_all(int radius) {
+	for (int i = 0; i < 4; i++) {
+		corner_radius[i] = radius;
+	}
+
+	emit_changed();
+}
+
+void StyleBoxFlat::set_corner_radius_individual(const int radius_top_left, const int radius_top_right, const int radius_bottom_right, const int radius_bottom_left) {
+	corner_radius[0] = radius_top_left;
+	corner_radius[1] = radius_top_right;
+	corner_radius[2] = radius_bottom_right;
+	corner_radius[3] = radius_bottom_left;
+
+	emit_changed();
+}
+
+int StyleBoxFlat::get_corner_radius(const Corner p_corner) const {
+	ERR_FAIL_INDEX_V((int)p_corner, 4, 0);
+	return corner_radius[p_corner];
+}
+
+void StyleBoxFlat::set_corner_detail(const int &p_corner_detail) {
+	corner_detail = CLAMP(p_corner_detail, 1, 20);
+	emit_changed();
+}
+
+int StyleBoxFlat::get_corner_detail() const {
+	return corner_detail;
+}
+
+void StyleBoxFlat::set_expand_margin(Side p_side, float p_size) {
+	ERR_FAIL_INDEX((int)p_side, 4);
+	expand_margin[p_side] = p_size;
+	emit_changed();
+}
+
+void StyleBoxFlat::set_expand_margin_all(float p_expand_margin_size) {
+	for (int i = 0; i < 4; i++) {
+		expand_margin[i] = p_expand_margin_size;
+	}
+	emit_changed();
+}
+
+void StyleBoxFlat::set_expand_margin_individual(float p_left, float p_top, float p_right, float p_bottom) {
+	expand_margin[SIDE_LEFT] = p_left;
+	expand_margin[SIDE_TOP] = p_top;
+	expand_margin[SIDE_RIGHT] = p_right;
+	expand_margin[SIDE_BOTTOM] = p_bottom;
+	emit_changed();
+}
+
+float StyleBoxFlat::get_expand_margin(Side p_side) const {
+	ERR_FAIL_INDEX_V((int)p_side, 4, 0.0);
+	return expand_margin[p_side];
+}
+
+void StyleBoxFlat::set_draw_center(bool p_enabled) {
+	draw_center = p_enabled;
+	emit_changed();
+}
+
+bool StyleBoxFlat::is_draw_center_enabled() const {
+	return draw_center;
+}
+
+void StyleBoxFlat::set_skew(Vector2 p_skew) {
+	skew = p_skew;
+	emit_changed();
+}
+
+Vector2 StyleBoxFlat::get_skew() const {
+	return skew;
+}
+
+void StyleBoxFlat::set_shadow_color(const Color &p_color) {
+	shadow_color = p_color;
+	emit_changed();
+}
+
+Color StyleBoxFlat::get_shadow_color() const {
+	return shadow_color;
+}
+
+void StyleBoxFlat::set_shadow_size(const int &p_size) {
+	shadow_size = p_size;
+	emit_changed();
+}
+
+int StyleBoxFlat::get_shadow_size() const {
+	return shadow_size;
+}
+
+void StyleBoxFlat::set_shadow_offset(const Point2 &p_offset) {
+	shadow_offset = p_offset;
+	emit_changed();
+}
+
+Point2 StyleBoxFlat::get_shadow_offset() const {
+	return shadow_offset;
+}
+
+void StyleBoxFlat::set_anti_aliased(const bool &p_anti_aliased) {
+	anti_aliased = p_anti_aliased;
+	emit_changed();
+	notify_property_list_changed();
+}
+
+bool StyleBoxFlat::is_anti_aliased() const {
+	return anti_aliased;
+}
+
+void StyleBoxFlat::set_aa_size(const real_t p_aa_size) {
+	aa_size = CLAMP(p_aa_size, 0.01, 10);
+	emit_changed();
+}
+
+real_t StyleBoxFlat::get_aa_size() const {
+	return aa_size;
+}
+
+inline void set_inner_corner_radius(const Rect2 style_rect, const Rect2 inner_rect, const real_t corner_radius[4], real_t *inner_corner_radius) {
+	real_t border_left = inner_rect.position.x - style_rect.position.x;
+	real_t border_top = inner_rect.position.y - style_rect.position.y;
+	real_t border_right = style_rect.size.width - inner_rect.size.width - border_left;
+	real_t border_bottom = style_rect.size.height - inner_rect.size.height - border_top;
+
+	real_t rad;
+
+	// Top left.
+	rad = MIN(border_top, border_left);
+	inner_corner_radius[0] = MAX(corner_radius[0] - rad, 0);
+
+	// Top right;
+	rad = MIN(border_top, border_right);
+	inner_corner_radius[1] = MAX(corner_radius[1] - rad, 0);
+
+	// Bottom right.
+	rad = MIN(border_bottom, border_right);
+	inner_corner_radius[2] = MAX(corner_radius[2] - rad, 0);
+
+	// Bottom left.
+	rad = MIN(border_bottom, border_left);
+	inner_corner_radius[3] = MAX(corner_radius[3] - rad, 0);
+}
+
+inline void draw_rounded_rectangle(Vector<Vector2> &verts, Vector<int> &indices, Vector<Color> &colors, const Rect2 &style_rect, const real_t corner_radius[4],
+		const Rect2 &ring_rect, const Rect2 &inner_rect, const Color &inner_color, const Color &outer_color, const int corner_detail, const Vector2 &skew, bool is_filled = false) {
+	int vert_offset = verts.size();
+	if (!vert_offset) {
+		vert_offset = 0;
+	}
+
+	int adapted_corner_detail = (corner_radius[0] == 0 && corner_radius[1] == 0 && corner_radius[2] == 0 && corner_radius[3] == 0) ? 1 : corner_detail;
+
+	bool draw_border = !is_filled;
+
+	real_t ring_corner_radius[4];
+	set_inner_corner_radius(style_rect, ring_rect, corner_radius, ring_corner_radius);
+
+	// Corner radius center points.
+	Vector<Point2> outer_points = {
+		ring_rect.position + Vector2(ring_corner_radius[0], ring_corner_radius[0]), //tl
+		Point2(ring_rect.position.x + ring_rect.size.x - ring_corner_radius[1], ring_rect.position.y + ring_corner_radius[1]), //tr
+		ring_rect.position + ring_rect.size - Vector2(ring_corner_radius[2], ring_corner_radius[2]), //br
+		Point2(ring_rect.position.x + ring_corner_radius[3], ring_rect.position.y + ring_rect.size.y - ring_corner_radius[3]) //bl
+	};
+
+	real_t inner_corner_radius[4];
+	set_inner_corner_radius(style_rect, inner_rect, corner_radius, inner_corner_radius);
+
+	Vector<Point2> inner_points = {
+		inner_rect.position + Vector2(inner_corner_radius[0], inner_corner_radius[0]), //tl
+		Point2(inner_rect.position.x + inner_rect.size.x - inner_corner_radius[1], inner_rect.position.y + inner_corner_radius[1]), //tr
+		inner_rect.position + inner_rect.size - Vector2(inner_corner_radius[2], inner_corner_radius[2]), //br
+		Point2(inner_rect.position.x + inner_corner_radius[3], inner_rect.position.y + inner_rect.size.y - inner_corner_radius[3]) //bl
+	};
+	// Calculate the vertices.
+
+	// If the center is filled, we do not draw the border and directly use the inner ring as reference. Because all calls to this
+	// method either draw a ring or a filled rounded rectangle, but not both.
+	int max_inner_outer = draw_border ? 2 : 1;
+
+	for (int corner_index = 0; corner_index < 4; corner_index++) {
+		for (int detail = 0; detail <= adapted_corner_detail; detail++) {
+			for (int inner_outer = 0; inner_outer < max_inner_outer; inner_outer++) {
+				real_t radius;
+				Color color;
+				Point2 corner_point;
+				if (inner_outer == 0) {
+					radius = inner_corner_radius[corner_index];
+					color = inner_color;
+					corner_point = inner_points[corner_index];
+				} else {
+					radius = ring_corner_radius[corner_index];
+					color = outer_color;
+					corner_point = outer_points[corner_index];
+				}
+
+				const real_t x = radius * (real_t)cos((corner_index + detail / (double)adapted_corner_detail) * (Math_TAU / 4.0) + Math_PI) + corner_point.x;
+				const real_t y = radius * (real_t)sin((corner_index + detail / (double)adapted_corner_detail) * (Math_TAU / 4.0) + Math_PI) + corner_point.y;
+				const float x_skew = -skew.x * (y - ring_rect.get_center().y);
+				const float y_skew = -skew.y * (x - ring_rect.get_center().x);
+				verts.push_back(Vector2(x + x_skew, y + y_skew));
+				colors.push_back(color);
+			}
+		}
+	}
+
+	int ring_vert_count = verts.size() - vert_offset;
+
+	// Fill the indices and the colors for the border.
+
+	if (draw_border) {
+		for (int i = 0; i < ring_vert_count; i++) {
+			indices.push_back(vert_offset + ((i + 0) % ring_vert_count));
+			indices.push_back(vert_offset + ((i + 2) % ring_vert_count));
+			indices.push_back(vert_offset + ((i + 1) % ring_vert_count));
+		}
+	}
+
+	if (is_filled) {
+		// Compute the triangles pattern to draw the rounded rectangle.
+		// Consists of vertical stripes of two triangles each.
+
+		int stripes_count = ring_vert_count / 2 - 1;
+		int last_vert_id = ring_vert_count - 1;
+
+		for (int i = 0; i < stripes_count; i++) {
+			// Polygon 1.
+			indices.push_back(vert_offset + i);
+			indices.push_back(vert_offset + last_vert_id - i - 1);
+			indices.push_back(vert_offset + i + 1);
+			// Polygon 2.
+			indices.push_back(vert_offset + i);
+			indices.push_back(vert_offset + last_vert_id - 0 - i);
+			indices.push_back(vert_offset + last_vert_id - 1 - i);
+		}
+	}
+}
+
+inline void adapt_values(int p_index_a, int p_index_b, real_t *adapted_values, const real_t *p_values, const real_t p_width, const real_t p_max_a, const real_t p_max_b) {
+	if (p_values[p_index_a] + p_values[p_index_b] > p_width) {
+		real_t factor;
+		real_t new_value;
+
+		factor = (real_t)p_width / (real_t)(p_values[p_index_a] + p_values[p_index_b]);
+
+		new_value = (p_values[p_index_a] * factor);
+		if (new_value < adapted_values[p_index_a]) {
+			adapted_values[p_index_a] = new_value;
+		}
+		new_value = (p_values[p_index_b] * factor);
+		if (new_value < adapted_values[p_index_b]) {
+			adapted_values[p_index_b] = new_value;
+		}
+	} else {
+		adapted_values[p_index_a] = MIN(p_values[p_index_a], adapted_values[p_index_a]);
+		adapted_values[p_index_b] = MIN(p_values[p_index_b], adapted_values[p_index_b]);
+	}
+	adapted_values[p_index_a] = MIN(p_max_a, adapted_values[p_index_a]);
+	adapted_values[p_index_b] = MIN(p_max_b, adapted_values[p_index_b]);
+}
+
+Rect2 StyleBoxFlat::get_draw_rect(const Rect2 &p_rect) const {
+	Rect2 draw_rect = p_rect.grow_individual(expand_margin[SIDE_LEFT], expand_margin[SIDE_TOP], expand_margin[SIDE_RIGHT], expand_margin[SIDE_BOTTOM]);
+
+	if (shadow_size > 0) {
+		Rect2 shadow_rect = draw_rect.grow(shadow_size);
+		shadow_rect.position += shadow_offset;
+		draw_rect = draw_rect.merge(shadow_rect);
+	}
+
+	return draw_rect;
+}
+
+void StyleBoxFlat::draw(RID p_canvas_item, const Rect2 &p_rect) const {
+	bool draw_border = (border_width[0] > 0) || (border_width[1] > 0) || (border_width[2] > 0) || (border_width[3] > 0);
+	bool draw_shadow = (shadow_size > 0);
+	if (!draw_border && !draw_center && !draw_shadow) {
+		return;
+	}
+
+	Rect2 style_rect = p_rect.grow_individual(expand_margin[SIDE_LEFT], expand_margin[SIDE_TOP], expand_margin[SIDE_RIGHT], expand_margin[SIDE_BOTTOM]);
+	if (Math::is_zero_approx(style_rect.size.width) || Math::is_zero_approx(style_rect.size.height)) {
+		return;
+	}
+
+	const bool rounded_corners = (corner_radius[0] > 0) || (corner_radius[1] > 0) || (corner_radius[2] > 0) || (corner_radius[3] > 0);
+	// Only enable antialiasing if it is actually needed. This improve performances
+	// and maximizes sharpness for non-skewed StyleBoxes with sharp corners.
+	const bool aa_on = (rounded_corners || !skew.is_zero_approx()) && anti_aliased;
+
+	const bool blend_on = blend_border && draw_border;
+
+	Color border_color_alpha = Color(border_color.r, border_color.g, border_color.b, 0);
+	Color border_color_blend = (draw_center ? bg_color : border_color_alpha);
+	Color border_color_inner = blend_on ? border_color_blend : border_color;
+
+	// Adapt borders (prevent weird overlapping/glitchy drawings).
+	real_t width = MAX(style_rect.size.width, 0);
+	real_t height = MAX(style_rect.size.height, 0);
+	real_t adapted_border[4] = { 1000000.0, 1000000.0, 1000000.0, 1000000.0 };
+	adapt_values(SIDE_TOP, SIDE_BOTTOM, adapted_border, border_width, height, height, height);
+	adapt_values(SIDE_LEFT, SIDE_RIGHT, adapted_border, border_width, width, width, width);
+
+	// Adapt corners (prevent weird overlapping/glitchy drawings).
+	real_t adapted_corner[4] = { 1000000.0, 1000000.0, 1000000.0, 1000000.0 };
+	adapt_values(CORNER_TOP_RIGHT, CORNER_BOTTOM_RIGHT, adapted_corner, corner_radius, height, height - adapted_border[SIDE_BOTTOM], height - adapted_border[SIDE_TOP]);
+	adapt_values(CORNER_TOP_LEFT, CORNER_BOTTOM_LEFT, adapted_corner, corner_radius, height, height - adapted_border[SIDE_BOTTOM], height - adapted_border[SIDE_TOP]);
+	adapt_values(CORNER_TOP_LEFT, CORNER_TOP_RIGHT, adapted_corner, corner_radius, width, width - adapted_border[SIDE_RIGHT], width - adapted_border[SIDE_LEFT]);
+	adapt_values(CORNER_BOTTOM_LEFT, CORNER_BOTTOM_RIGHT, adapted_corner, corner_radius, width, width - adapted_border[SIDE_RIGHT], width - adapted_border[SIDE_LEFT]);
+
+	Rect2 infill_rect = style_rect.grow_individual(-adapted_border[SIDE_LEFT], -adapted_border[SIDE_TOP], -adapted_border[SIDE_RIGHT], -adapted_border[SIDE_BOTTOM]);
+
+	Rect2 border_style_rect = style_rect;
+	if (aa_on) {
+		for (int i = 0; i < 4; i++) {
+			if (border_width[i] > 0) {
+				border_style_rect = border_style_rect.grow_side((Side)i, -aa_size);
+			}
+		}
+	}
+
+	Vector<Point2> verts;
+	Vector<int> indices;
+	Vector<Color> colors;
+	Vector<Point2> uvs;
+
+	// Create shadow
+	if (draw_shadow) {
+		Rect2 shadow_inner_rect = style_rect;
+		shadow_inner_rect.position += shadow_offset;
+
+		Rect2 shadow_rect = style_rect.grow(shadow_size);
+		shadow_rect.position += shadow_offset;
+
+		Color shadow_color_transparent = Color(shadow_color.r, shadow_color.g, shadow_color.b, 0);
+
+		draw_rounded_rectangle(verts, indices, colors, shadow_inner_rect, adapted_corner,
+				shadow_rect, shadow_inner_rect, shadow_color, shadow_color_transparent, corner_detail, skew);
+
+		if (draw_center) {
+			draw_rounded_rectangle(verts, indices, colors, shadow_inner_rect, adapted_corner,
+					shadow_inner_rect, shadow_inner_rect, shadow_color, shadow_color, corner_detail, skew, true);
+		}
+	}
+
+	// Create border (no AA).
+	if (draw_border && !aa_on) {
+		draw_rounded_rectangle(verts, indices, colors, border_style_rect, adapted_corner,
+				border_style_rect, infill_rect, border_color_inner, border_color, corner_detail, skew);
+	}
+
+	// Create infill (no AA).
+	if (draw_center && (!aa_on || blend_on)) {
+		draw_rounded_rectangle(verts, indices, colors, border_style_rect, adapted_corner,
+				infill_rect, infill_rect, bg_color, bg_color, corner_detail, skew, true);
+	}
+
+	if (aa_on) {
+		real_t aa_border_width[4];
+		real_t aa_border_width_half[4];
+		real_t aa_fill_width[4];
+		real_t aa_fill_width_half[4];
+		if (draw_border) {
+			for (int i = 0; i < 4; i++) {
+				if (border_width[i] > 0) {
+					aa_border_width[i] = aa_size;
+					aa_border_width_half[i] = aa_size / 2;
+					aa_fill_width[i] = 0;
+					aa_fill_width_half[i] = 0;
+				} else {
+					aa_border_width[i] = 0;
+					aa_border_width_half[i] = 0;
+					aa_fill_width[i] = aa_size;
+					aa_fill_width_half[i] = aa_size / 2;
+				}
+			}
+		} else {
+			for (int i = 0; i < 4; i++) {
+				aa_border_width[i] = 0;
+				aa_border_width_half[i] = 0;
+				aa_fill_width[i] = aa_size;
+				aa_fill_width_half[i] = aa_size / 2;
+			}
+		}
+
+		if (draw_center) {
+			// Infill rect, transparent side of antialiasing gradient (base infill rect enlarged by AA size)
+			Rect2 infill_rect_aa_transparent = infill_rect.grow_individual(aa_fill_width_half[SIDE_LEFT], aa_fill_width_half[SIDE_TOP],
+					aa_fill_width_half[SIDE_RIGHT], aa_fill_width_half[SIDE_BOTTOM]);
+			// Infill rect, colored side of antialiasing gradient (base infill rect shrunk by AA size)
+			Rect2 infill_rect_aa_colored = infill_rect_aa_transparent.grow_individual(-aa_fill_width[SIDE_LEFT], -aa_fill_width[SIDE_TOP],
+					-aa_fill_width[SIDE_RIGHT], -aa_fill_width[SIDE_BOTTOM]);
+			if (!blend_on) {
+				// Create center fill, not antialiased yet
+				draw_rounded_rectangle(verts, indices, colors, border_style_rect, adapted_corner,
+						infill_rect_aa_colored, infill_rect_aa_colored, bg_color, bg_color, corner_detail, skew, true);
+			}
+			if (!blend_on || !draw_border) {
+				Color alpha_bg = Color(bg_color.r, bg_color.g, bg_color.b, 0);
+				// Add antialiasing on the center fill
+				draw_rounded_rectangle(verts, indices, colors, border_style_rect, adapted_corner,
+						infill_rect_aa_transparent, infill_rect_aa_colored, bg_color, alpha_bg, corner_detail, skew);
+			}
+		}
+
+		if (draw_border) {
+			// Inner border recct, fully colored side of antialiasing gradient (base inner rect enlarged by AA size)
+			Rect2 inner_rect_aa_colored = infill_rect.grow_individual(aa_border_width_half[SIDE_LEFT], aa_border_width_half[SIDE_TOP],
+					aa_border_width_half[SIDE_RIGHT], aa_border_width_half[SIDE_BOTTOM]);
+			// Inner border rect, transparent side of antialiasing gradient (base inner rect shrunk by AA size)
+			Rect2 inner_rect_aa_transparent = inner_rect_aa_colored.grow_individual(-aa_border_width[SIDE_LEFT], -aa_border_width[SIDE_TOP],
+					-aa_border_width[SIDE_RIGHT], -aa_border_width[SIDE_BOTTOM]);
+			// Outer border rect, transparent side of antialiasing gradient (base outer rect enlarged by AA size)
+			Rect2 outer_rect_aa_transparent = style_rect.grow_individual(aa_border_width_half[SIDE_LEFT], aa_border_width_half[SIDE_TOP],
+					aa_border_width_half[SIDE_RIGHT], aa_border_width_half[SIDE_BOTTOM]);
+			// Outer border rect, colored side of antialiasing gradient (base outer rect shrunk by AA size)
+			Rect2 outer_rect_aa_colored = border_style_rect.grow_individual(aa_border_width_half[SIDE_LEFT], aa_border_width_half[SIDE_TOP],
+					aa_border_width_half[SIDE_RIGHT], aa_border_width_half[SIDE_BOTTOM]);
+
+			// Create border ring, not antialiased yet
+			draw_rounded_rectangle(verts, indices, colors, border_style_rect, adapted_corner,
+					outer_rect_aa_colored, ((blend_on) ? infill_rect : inner_rect_aa_colored), border_color_inner, border_color, corner_detail, skew);
+			if (!blend_on) {
+				// Add antialiasing on the ring inner border
+				draw_rounded_rectangle(verts, indices, colors, border_style_rect, adapted_corner,
+						inner_rect_aa_colored, inner_rect_aa_transparent, border_color_blend, border_color, corner_detail, skew);
+			}
+			// Add antialiasing on the ring outer border
+			draw_rounded_rectangle(verts, indices, colors, border_style_rect, adapted_corner,
+					outer_rect_aa_transparent, outer_rect_aa_colored, border_color, border_color_alpha, corner_detail, skew);
+		}
+	}
+
+	// Compute UV coordinates.
+	Rect2 uv_rect = style_rect.grow(aa_on ? aa_size : 0);
+	uvs.resize(verts.size());
+	for (int i = 0; i < verts.size(); i++) {
+		uvs.write[i].x = (verts[i].x - uv_rect.position.x) / uv_rect.size.width;
+		uvs.write[i].y = (verts[i].y - uv_rect.position.y) / uv_rect.size.height;
+	}
+
+	// Draw stylebox.
+	RenderingServer *vs = RenderingServer::get_singleton();
+	vs->canvas_item_add_triangle_array(p_canvas_item, indices, verts, colors, uvs);
+}
+
+void StyleBoxFlat::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("set_bg_color", "color"), &StyleBoxFlat::set_bg_color);
+	ClassDB::bind_method(D_METHOD("get_bg_color"), &StyleBoxFlat::get_bg_color);
+
+	ClassDB::bind_method(D_METHOD("set_border_color", "color"), &StyleBoxFlat::set_border_color);
+	ClassDB::bind_method(D_METHOD("get_border_color"), &StyleBoxFlat::get_border_color);
+
+	ClassDB::bind_method(D_METHOD("set_border_width_all", "width"), &StyleBoxFlat::set_border_width_all);
+	ClassDB::bind_method(D_METHOD("get_border_width_min"), &StyleBoxFlat::get_border_width_min);
+
+	ClassDB::bind_method(D_METHOD("set_border_width", "margin", "width"), &StyleBoxFlat::set_border_width);
+	ClassDB::bind_method(D_METHOD("get_border_width", "margin"), &StyleBoxFlat::get_border_width);
+
+	ClassDB::bind_method(D_METHOD("set_border_blend", "blend"), &StyleBoxFlat::set_border_blend);
+	ClassDB::bind_method(D_METHOD("get_border_blend"), &StyleBoxFlat::get_border_blend);
+
+	ClassDB::bind_method(D_METHOD("set_corner_radius_all", "radius"), &StyleBoxFlat::set_corner_radius_all);
+
+	ClassDB::bind_method(D_METHOD("set_corner_radius", "corner", "radius"), &StyleBoxFlat::set_corner_radius);
+	ClassDB::bind_method(D_METHOD("get_corner_radius", "corner"), &StyleBoxFlat::get_corner_radius);
+
+	ClassDB::bind_method(D_METHOD("set_expand_margin", "margin", "size"), &StyleBoxFlat::set_expand_margin);
+	ClassDB::bind_method(D_METHOD("set_expand_margin_all", "size"), &StyleBoxFlat::set_expand_margin_all);
+	ClassDB::bind_method(D_METHOD("get_expand_margin", "margin"), &StyleBoxFlat::get_expand_margin);
+
+	ClassDB::bind_method(D_METHOD("set_draw_center", "draw_center"), &StyleBoxFlat::set_draw_center);
+	ClassDB::bind_method(D_METHOD("is_draw_center_enabled"), &StyleBoxFlat::is_draw_center_enabled);
+
+	ClassDB::bind_method(D_METHOD("set_skew", "skew"), &StyleBoxFlat::set_skew);
+	ClassDB::bind_method(D_METHOD("get_skew"), &StyleBoxFlat::get_skew);
+
+	ClassDB::bind_method(D_METHOD("set_shadow_color", "color"), &StyleBoxFlat::set_shadow_color);
+	ClassDB::bind_method(D_METHOD("get_shadow_color"), &StyleBoxFlat::get_shadow_color);
+
+	ClassDB::bind_method(D_METHOD("set_shadow_size", "size"), &StyleBoxFlat::set_shadow_size);
+	ClassDB::bind_method(D_METHOD("get_shadow_size"), &StyleBoxFlat::get_shadow_size);
+
+	ClassDB::bind_method(D_METHOD("set_shadow_offset", "offset"), &StyleBoxFlat::set_shadow_offset);
+	ClassDB::bind_method(D_METHOD("get_shadow_offset"), &StyleBoxFlat::get_shadow_offset);
+
+	ClassDB::bind_method(D_METHOD("set_anti_aliased", "anti_aliased"), &StyleBoxFlat::set_anti_aliased);
+	ClassDB::bind_method(D_METHOD("is_anti_aliased"), &StyleBoxFlat::is_anti_aliased);
+
+	ClassDB::bind_method(D_METHOD("set_aa_size", "size"), &StyleBoxFlat::set_aa_size);
+	ClassDB::bind_method(D_METHOD("get_aa_size"), &StyleBoxFlat::get_aa_size);
+
+	ClassDB::bind_method(D_METHOD("set_corner_detail", "detail"), &StyleBoxFlat::set_corner_detail);
+	ClassDB::bind_method(D_METHOD("get_corner_detail"), &StyleBoxFlat::get_corner_detail);
+
+	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "bg_color"), "set_bg_color", "get_bg_color");
+
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_center"), "set_draw_center", "is_draw_center_enabled");
+	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "skew"), "set_skew", "get_skew");
+
+	ADD_GROUP("Border Width", "border_width_");
+	ADD_PROPERTYI(PropertyInfo(Variant::INT, "border_width_left", PROPERTY_HINT_RANGE, "0,1024,1,suffix:px"), "set_border_width", "get_border_width", SIDE_LEFT);
+	ADD_PROPERTYI(PropertyInfo(Variant::INT, "border_width_top", PROPERTY_HINT_RANGE, "0,1024,1,suffix:px"), "set_border_width", "get_border_width", SIDE_TOP);
+	ADD_PROPERTYI(PropertyInfo(Variant::INT, "border_width_right", PROPERTY_HINT_RANGE, "0,1024,1,suffix:px"), "set_border_width", "get_border_width", SIDE_RIGHT);
+	ADD_PROPERTYI(PropertyInfo(Variant::INT, "border_width_bottom", PROPERTY_HINT_RANGE, "0,1024,1,suffix:px"), "set_border_width", "get_border_width", SIDE_BOTTOM);
+
+	ADD_GROUP("Border", "border_");
+	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "border_color"), "set_border_color", "get_border_color");
+
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "border_blend"), "set_border_blend", "get_border_blend");
+
+	ADD_GROUP("Corner Radius", "corner_radius_");
+	ADD_PROPERTYI(PropertyInfo(Variant::INT, "corner_radius_top_left", PROPERTY_HINT_RANGE, "0,1024,1,suffix:px"), "set_corner_radius", "get_corner_radius", CORNER_TOP_LEFT);
+	ADD_PROPERTYI(PropertyInfo(Variant::INT, "corner_radius_top_right", PROPERTY_HINT_RANGE, "0,1024,1,suffix:px"), "set_corner_radius", "get_corner_radius", CORNER_TOP_RIGHT);
+	ADD_PROPERTYI(PropertyInfo(Variant::INT, "corner_radius_bottom_right", PROPERTY_HINT_RANGE, "0,1024,1,suffix:px"), "set_corner_radius", "get_corner_radius", CORNER_BOTTOM_RIGHT);
+	ADD_PROPERTYI(PropertyInfo(Variant::INT, "corner_radius_bottom_left", PROPERTY_HINT_RANGE, "0,1024,1,suffix:px"), "set_corner_radius", "get_corner_radius", CORNER_BOTTOM_LEFT);
+
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "corner_detail", PROPERTY_HINT_RANGE, "1,20,1"), "set_corner_detail", "get_corner_detail");
+
+	ADD_GROUP("Expand Margins", "expand_margin_");
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "expand_margin_left", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_expand_margin", "get_expand_margin", SIDE_LEFT);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "expand_margin_top", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_expand_margin", "get_expand_margin", SIDE_TOP);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "expand_margin_right", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_expand_margin", "get_expand_margin", SIDE_RIGHT);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "expand_margin_bottom", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_expand_margin", "get_expand_margin", SIDE_BOTTOM);
+
+	ADD_GROUP("Shadow", "shadow_");
+	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "shadow_color"), "set_shadow_color", "get_shadow_color");
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "shadow_size", PROPERTY_HINT_RANGE, "0,100,1,or_greater,suffix:px"), "set_shadow_size", "get_shadow_size");
+	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "shadow_offset", PROPERTY_HINT_NONE, "suffix:px"), "set_shadow_offset", "get_shadow_offset");
+
+	ADD_GROUP("Anti Aliasing", "anti_aliasing_");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "anti_aliasing"), "set_anti_aliased", "is_anti_aliased");
+	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "anti_aliasing_size", PROPERTY_HINT_RANGE, "0.01,10,0.001,suffix:px"), "set_aa_size", "get_aa_size");
+}
+
+StyleBoxFlat::StyleBoxFlat() {}
+
+StyleBoxFlat::~StyleBoxFlat() {}
diff --git a/scene/resources/style_box_flat.h b/scene/resources/style_box_flat.h
new file mode 100644
index 00000000000..b6bb145f055
--- /dev/null
+++ b/scene/resources/style_box_flat.h
@@ -0,0 +1,118 @@
+/**************************************************************************/
+/*  style_box_flat.h                                                      */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef STYLE_BOX_FLAT_H
+#define STYLE_BOX_FLAT_H
+
+#include "scene/resources/style_box.h"
+
+class StyleBoxFlat : public StyleBox {
+	GDCLASS(StyleBoxFlat, StyleBox);
+
+	Color bg_color = Color(0.6, 0.6, 0.6);
+	Color shadow_color = Color(0, 0, 0, 0.6);
+	Color border_color = Color(0.8, 0.8, 0.8);
+
+	real_t border_width[4] = {};
+	real_t expand_margin[4] = {};
+	real_t corner_radius[4] = {};
+
+	bool draw_center = true;
+	bool blend_border = false;
+	Vector2 skew;
+	bool anti_aliased = true;
+
+	int corner_detail = 8;
+	int shadow_size = 0;
+	Point2 shadow_offset;
+	real_t aa_size = 1;
+
+protected:
+	virtual float get_style_margin(Side p_side) const override;
+	static void _bind_methods();
+	void _validate_property(PropertyInfo &p_property) const;
+
+public:
+	void set_bg_color(const Color &p_color);
+	Color get_bg_color() const;
+
+	void set_border_color(const Color &p_color);
+	Color get_border_color() const;
+
+	void set_border_width_all(int p_size);
+	int get_border_width_min() const;
+
+	void set_border_width(Side p_side, int p_width);
+	int get_border_width(Side p_side) const;
+
+	void set_border_blend(bool p_blend);
+	bool get_border_blend() const;
+
+	void set_corner_radius_all(int radius);
+	void set_corner_radius_individual(const int radius_top_left, const int radius_top_right, const int radius_bottom_right, const int radius_bottom_left);
+	void set_corner_radius(Corner p_corner, const int radius);
+	int get_corner_radius(Corner p_corner) const;
+
+	void set_corner_detail(const int &p_corner_detail);
+	int get_corner_detail() const;
+
+	void set_expand_margin(Side p_expand_side, float p_size);
+	void set_expand_margin_all(float p_expand_margin_size);
+	void set_expand_margin_individual(float p_left, float p_top, float p_right, float p_bottom);
+	float get_expand_margin(Side p_expand_side) const;
+
+	void set_draw_center(bool p_enabled);
+	bool is_draw_center_enabled() const;
+
+	void set_skew(Vector2 p_skew);
+	Vector2 get_skew() const;
+
+	void set_shadow_color(const Color &p_color);
+	Color get_shadow_color() const;
+
+	void set_shadow_size(const int &p_size);
+	int get_shadow_size() const;
+
+	void set_shadow_offset(const Point2 &p_offset);
+	Point2 get_shadow_offset() const;
+
+	void set_anti_aliased(const bool &p_anti_aliased);
+	bool is_anti_aliased() const;
+	void set_aa_size(const real_t p_aa_size);
+	real_t get_aa_size() const;
+
+	virtual Rect2 get_draw_rect(const Rect2 &p_rect) const override;
+	virtual void draw(RID p_canvas_item, const Rect2 &p_rect) const override;
+
+	StyleBoxFlat();
+	~StyleBoxFlat();
+};
+
+#endif // STYLE_BOX_FLAT_H
diff --git a/scene/resources/style_box_line.cpp b/scene/resources/style_box_line.cpp
new file mode 100644
index 00000000000..9aeba88531c
--- /dev/null
+++ b/scene/resources/style_box_line.cpp
@@ -0,0 +1,132 @@
+/**************************************************************************/
+/*  style_box_line.cpp                                                    */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "style_box_line.h"
+
+#include "servers/rendering_server.h"
+
+float StyleBoxLine::get_style_margin(Side p_side) const {
+	ERR_FAIL_INDEX_V((int)p_side, 4, 0);
+
+	if (vertical) {
+		if (p_side == SIDE_LEFT || p_side == SIDE_RIGHT) {
+			return thickness / 2.0;
+		}
+	} else if (p_side == SIDE_TOP || p_side == SIDE_BOTTOM) {
+		return thickness / 2.0;
+	}
+
+	return 0;
+}
+
+void StyleBoxLine::set_color(const Color &p_color) {
+	color = p_color;
+	emit_changed();
+}
+
+Color StyleBoxLine::get_color() const {
+	return color;
+}
+
+void StyleBoxLine::set_thickness(int p_thickness) {
+	thickness = p_thickness;
+	emit_changed();
+}
+
+int StyleBoxLine::get_thickness() const {
+	return thickness;
+}
+
+void StyleBoxLine::set_vertical(bool p_vertical) {
+	vertical = p_vertical;
+	emit_changed();
+}
+
+bool StyleBoxLine::is_vertical() const {
+	return vertical;
+}
+
+void StyleBoxLine::set_grow_end(float p_grow_end) {
+	grow_end = p_grow_end;
+	emit_changed();
+}
+
+float StyleBoxLine::get_grow_end() const {
+	return grow_end;
+}
+
+void StyleBoxLine::set_grow_begin(float p_grow_begin) {
+	grow_begin = p_grow_begin;
+	emit_changed();
+}
+
+float StyleBoxLine::get_grow_begin() const {
+	return grow_begin;
+}
+
+void StyleBoxLine::draw(RID p_canvas_item, const Rect2 &p_rect) const {
+	RenderingServer *vs = RenderingServer::get_singleton();
+	Rect2i r = p_rect;
+
+	if (vertical) {
+		r.position.y -= grow_begin;
+		r.size.y += (grow_begin + grow_end);
+		r.size.x = thickness;
+	} else {
+		r.position.x -= grow_begin;
+		r.size.x += (grow_begin + grow_end);
+		r.size.y = thickness;
+	}
+
+	vs->canvas_item_add_rect(p_canvas_item, r, color);
+}
+
+void StyleBoxLine::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("set_color", "color"), &StyleBoxLine::set_color);
+	ClassDB::bind_method(D_METHOD("get_color"), &StyleBoxLine::get_color);
+	ClassDB::bind_method(D_METHOD("set_thickness", "thickness"), &StyleBoxLine::set_thickness);
+	ClassDB::bind_method(D_METHOD("get_thickness"), &StyleBoxLine::get_thickness);
+	ClassDB::bind_method(D_METHOD("set_grow_begin", "offset"), &StyleBoxLine::set_grow_begin);
+	ClassDB::bind_method(D_METHOD("get_grow_begin"), &StyleBoxLine::get_grow_begin);
+	ClassDB::bind_method(D_METHOD("set_grow_end", "offset"), &StyleBoxLine::set_grow_end);
+	ClassDB::bind_method(D_METHOD("get_grow_end"), &StyleBoxLine::get_grow_end);
+	ClassDB::bind_method(D_METHOD("set_vertical", "vertical"), &StyleBoxLine::set_vertical);
+	ClassDB::bind_method(D_METHOD("is_vertical"), &StyleBoxLine::is_vertical);
+
+	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_color", "get_color");
+	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "grow_begin", PROPERTY_HINT_RANGE, "-300,300,1,suffix:px"), "set_grow_begin", "get_grow_begin");
+	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "grow_end", PROPERTY_HINT_RANGE, "-300,300,1,suffix:px"), "set_grow_end", "get_grow_end");
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "thickness", PROPERTY_HINT_RANGE, "0,100,suffix:px"), "set_thickness", "get_thickness");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "vertical"), "set_vertical", "is_vertical");
+}
+
+StyleBoxLine::StyleBoxLine() {}
+
+StyleBoxLine::~StyleBoxLine() {}
diff --git a/scene/resources/style_box_line.h b/scene/resources/style_box_line.h
new file mode 100644
index 00000000000..18f765a1e42
--- /dev/null
+++ b/scene/resources/style_box_line.h
@@ -0,0 +1,70 @@
+/**************************************************************************/
+/*  style_box_line.h                                                      */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef STYLE_BOX_LINE_H
+#define STYLE_BOX_LINE_H
+
+#include "scene/resources/style_box.h"
+
+class StyleBoxLine : public StyleBox {
+	GDCLASS(StyleBoxLine, StyleBox);
+	Color color;
+	int thickness = 1;
+	bool vertical = false;
+	float grow_begin = 1.0;
+	float grow_end = 1.0;
+
+protected:
+	virtual float get_style_margin(Side p_side) const override;
+	static void _bind_methods();
+
+public:
+	void set_color(const Color &p_color);
+	Color get_color() const;
+
+	void set_thickness(int p_thickness);
+	int get_thickness() const;
+
+	void set_vertical(bool p_vertical);
+	bool is_vertical() const;
+
+	void set_grow_begin(float p_grow);
+	float get_grow_begin() const;
+
+	void set_grow_end(float p_grow);
+	float get_grow_end() const;
+
+	virtual void draw(RID p_canvas_item, const Rect2 &p_rect) const override;
+
+	StyleBoxLine();
+	~StyleBoxLine();
+};
+
+#endif // STYLE_BOX_LINE_H
diff --git a/scene/resources/style_box_texture.cpp b/scene/resources/style_box_texture.cpp
new file mode 100644
index 00000000000..156525d21c4
--- /dev/null
+++ b/scene/resources/style_box_texture.cpp
@@ -0,0 +1,243 @@
+/**************************************************************************/
+/*  style_box_texture.cpp                                                 */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "style_box_texture.h"
+
+float StyleBoxTexture::get_style_margin(Side p_side) const {
+	ERR_FAIL_INDEX_V((int)p_side, 4, 0.0);
+
+	return texture_margin[p_side];
+}
+
+void StyleBoxTexture::set_texture(Ref<Texture2D> p_texture) {
+	if (texture == p_texture) {
+		return;
+	}
+	texture = p_texture;
+	emit_changed();
+}
+
+Ref<Texture2D> StyleBoxTexture::get_texture() const {
+	return texture;
+}
+
+void StyleBoxTexture::set_texture_margin(Side p_side, float p_size) {
+	ERR_FAIL_INDEX((int)p_side, 4);
+
+	texture_margin[p_side] = p_size;
+	emit_changed();
+}
+
+void StyleBoxTexture::set_texture_margin_all(float p_size) {
+	for (int i = 0; i < 4; i++) {
+		texture_margin[i] = p_size;
+	}
+	emit_changed();
+}
+
+void StyleBoxTexture::set_texture_margin_individual(float p_left, float p_top, float p_right, float p_bottom) {
+	texture_margin[SIDE_LEFT] = p_left;
+	texture_margin[SIDE_TOP] = p_top;
+	texture_margin[SIDE_RIGHT] = p_right;
+	texture_margin[SIDE_BOTTOM] = p_bottom;
+	emit_changed();
+}
+
+float StyleBoxTexture::get_texture_margin(Side p_side) const {
+	ERR_FAIL_INDEX_V((int)p_side, 4, 0.0);
+
+	return texture_margin[p_side];
+}
+
+void StyleBoxTexture::set_expand_margin(Side p_side, float p_size) {
+	ERR_FAIL_INDEX((int)p_side, 4);
+	expand_margin[p_side] = p_size;
+	emit_changed();
+}
+
+void StyleBoxTexture::set_expand_margin_all(float p_expand_margin_size) {
+	for (int i = 0; i < 4; i++) {
+		expand_margin[i] = p_expand_margin_size;
+	}
+	emit_changed();
+}
+
+void StyleBoxTexture::set_expand_margin_individual(float p_left, float p_top, float p_right, float p_bottom) {
+	expand_margin[SIDE_LEFT] = p_left;
+	expand_margin[SIDE_TOP] = p_top;
+	expand_margin[SIDE_RIGHT] = p_right;
+	expand_margin[SIDE_BOTTOM] = p_bottom;
+	emit_changed();
+}
+
+float StyleBoxTexture::get_expand_margin(Side p_side) const {
+	ERR_FAIL_INDEX_V((int)p_side, 4, 0);
+	return expand_margin[p_side];
+}
+
+void StyleBoxTexture::set_region_rect(const Rect2 &p_region_rect) {
+	if (region_rect == p_region_rect) {
+		return;
+	}
+
+	region_rect = p_region_rect;
+	emit_changed();
+}
+
+Rect2 StyleBoxTexture::get_region_rect() const {
+	return region_rect;
+}
+
+void StyleBoxTexture::set_draw_center(bool p_enabled) {
+	draw_center = p_enabled;
+	emit_changed();
+}
+
+bool StyleBoxTexture::is_draw_center_enabled() const {
+	return draw_center;
+}
+
+void StyleBoxTexture::set_h_axis_stretch_mode(AxisStretchMode p_mode) {
+	ERR_FAIL_INDEX((int)p_mode, 3);
+	axis_h = p_mode;
+	emit_changed();
+}
+
+StyleBoxTexture::AxisStretchMode StyleBoxTexture::get_h_axis_stretch_mode() const {
+	return axis_h;
+}
+
+void StyleBoxTexture::set_v_axis_stretch_mode(AxisStretchMode p_mode) {
+	ERR_FAIL_INDEX((int)p_mode, 3);
+	axis_v = p_mode;
+	emit_changed();
+}
+
+StyleBoxTexture::AxisStretchMode StyleBoxTexture::get_v_axis_stretch_mode() const {
+	return axis_v;
+}
+
+void StyleBoxTexture::set_modulate(const Color &p_modulate) {
+	if (modulate == p_modulate) {
+		return;
+	}
+	modulate = p_modulate;
+	emit_changed();
+}
+
+Color StyleBoxTexture::get_modulate() const {
+	return modulate;
+}
+
+Rect2 StyleBoxTexture::get_draw_rect(const Rect2 &p_rect) const {
+	return p_rect.grow_individual(expand_margin[SIDE_LEFT], expand_margin[SIDE_TOP], expand_margin[SIDE_RIGHT], expand_margin[SIDE_BOTTOM]);
+}
+
+void StyleBoxTexture::draw(RID p_canvas_item, const Rect2 &p_rect) const {
+	if (texture.is_null()) {
+		return;
+	}
+
+	Rect2 rect = p_rect;
+	Rect2 src_rect = region_rect;
+
+	texture->get_rect_region(rect, src_rect, rect, src_rect);
+
+	rect.position.x -= expand_margin[SIDE_LEFT];
+	rect.position.y -= expand_margin[SIDE_TOP];
+	rect.size.x += expand_margin[SIDE_LEFT] + expand_margin[SIDE_RIGHT];
+	rect.size.y += expand_margin[SIDE_TOP] + expand_margin[SIDE_BOTTOM];
+
+	Vector2 start_offset = Vector2(texture_margin[SIDE_LEFT], texture_margin[SIDE_TOP]);
+	Vector2 end_offset = Vector2(texture_margin[SIDE_RIGHT], texture_margin[SIDE_BOTTOM]);
+
+	RenderingServer::get_singleton()->canvas_item_add_nine_patch(p_canvas_item, rect, src_rect, texture->get_rid(), start_offset, end_offset, RS::NinePatchAxisMode(axis_h), RS::NinePatchAxisMode(axis_v), draw_center, modulate);
+}
+
+void StyleBoxTexture::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("set_texture", "texture"), &StyleBoxTexture::set_texture);
+	ClassDB::bind_method(D_METHOD("get_texture"), &StyleBoxTexture::get_texture);
+
+	ClassDB::bind_method(D_METHOD("set_texture_margin", "margin", "size"), &StyleBoxTexture::set_texture_margin);
+	ClassDB::bind_method(D_METHOD("set_texture_margin_all", "size"), &StyleBoxTexture::set_texture_margin_all);
+	ClassDB::bind_method(D_METHOD("get_texture_margin", "margin"), &StyleBoxTexture::get_texture_margin);
+
+	ClassDB::bind_method(D_METHOD("set_expand_margin", "margin", "size"), &StyleBoxTexture::set_expand_margin);
+	ClassDB::bind_method(D_METHOD("set_expand_margin_all", "size"), &StyleBoxTexture::set_expand_margin_all);
+	ClassDB::bind_method(D_METHOD("get_expand_margin", "margin"), &StyleBoxTexture::get_expand_margin);
+
+	ClassDB::bind_method(D_METHOD("set_region_rect", "region"), &StyleBoxTexture::set_region_rect);
+	ClassDB::bind_method(D_METHOD("get_region_rect"), &StyleBoxTexture::get_region_rect);
+
+	ClassDB::bind_method(D_METHOD("set_draw_center", "enable"), &StyleBoxTexture::set_draw_center);
+	ClassDB::bind_method(D_METHOD("is_draw_center_enabled"), &StyleBoxTexture::is_draw_center_enabled);
+
+	ClassDB::bind_method(D_METHOD("set_modulate", "color"), &StyleBoxTexture::set_modulate);
+	ClassDB::bind_method(D_METHOD("get_modulate"), &StyleBoxTexture::get_modulate);
+
+	ClassDB::bind_method(D_METHOD("set_h_axis_stretch_mode", "mode"), &StyleBoxTexture::set_h_axis_stretch_mode);
+	ClassDB::bind_method(D_METHOD("get_h_axis_stretch_mode"), &StyleBoxTexture::get_h_axis_stretch_mode);
+
+	ClassDB::bind_method(D_METHOD("set_v_axis_stretch_mode", "mode"), &StyleBoxTexture::set_v_axis_stretch_mode);
+	ClassDB::bind_method(D_METHOD("get_v_axis_stretch_mode"), &StyleBoxTexture::get_v_axis_stretch_mode);
+
+	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_texture", "get_texture");
+
+	ADD_GROUP("Texture Margins", "texture_margin_");
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "texture_margin_left", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_texture_margin", "get_texture_margin", SIDE_LEFT);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "texture_margin_top", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_texture_margin", "get_texture_margin", SIDE_TOP);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "texture_margin_right", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_texture_margin", "get_texture_margin", SIDE_RIGHT);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "texture_margin_bottom", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_texture_margin", "get_texture_margin", SIDE_BOTTOM);
+
+	ADD_GROUP("Expand Margins", "expand_margin_");
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "expand_margin_left", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_expand_margin", "get_expand_margin", SIDE_LEFT);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "expand_margin_top", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_expand_margin", "get_expand_margin", SIDE_TOP);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "expand_margin_right", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_expand_margin", "get_expand_margin", SIDE_RIGHT);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "expand_margin_bottom", PROPERTY_HINT_RANGE, "0,2048,1,suffix:px"), "set_expand_margin", "get_expand_margin", SIDE_BOTTOM);
+
+	ADD_GROUP("Axis Stretch", "axis_stretch_");
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "axis_stretch_horizontal", PROPERTY_HINT_ENUM, "Stretch,Tile,Tile Fit"), "set_h_axis_stretch_mode", "get_h_axis_stretch_mode");
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "axis_stretch_vertical", PROPERTY_HINT_ENUM, "Stretch,Tile,Tile Fit"), "set_v_axis_stretch_mode", "get_v_axis_stretch_mode");
+
+	ADD_GROUP("Sub-Region", "region_");
+	ADD_PROPERTY(PropertyInfo(Variant::RECT2, "region_rect", PROPERTY_HINT_NONE, "suffix:px"), "set_region_rect", "get_region_rect");
+
+	ADD_GROUP("Modulate", "modulate_");
+	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "modulate_color"), "set_modulate", "get_modulate");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_center"), "set_draw_center", "is_draw_center_enabled");
+
+	BIND_ENUM_CONSTANT(AXIS_STRETCH_MODE_STRETCH);
+	BIND_ENUM_CONSTANT(AXIS_STRETCH_MODE_TILE);
+	BIND_ENUM_CONSTANT(AXIS_STRETCH_MODE_TILE_FIT);
+}
+
+StyleBoxTexture::StyleBoxTexture() {}
+
+StyleBoxTexture::~StyleBoxTexture() {}
diff --git a/scene/resources/style_box_texture.h b/scene/resources/style_box_texture.h
new file mode 100644
index 00000000000..b1b833f4706
--- /dev/null
+++ b/scene/resources/style_box_texture.h
@@ -0,0 +1,99 @@
+/**************************************************************************/
+/*  style_box_texture.h                                                   */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef STYLE_BOX_TEXTURE_H
+#define STYLE_BOX_TEXTURE_H
+
+#include "scene/resources/style_box.h"
+#include "scene/resources/texture.h"
+
+class StyleBoxTexture : public StyleBox {
+	GDCLASS(StyleBoxTexture, StyleBox);
+
+public:
+	enum AxisStretchMode {
+		AXIS_STRETCH_MODE_STRETCH,
+		AXIS_STRETCH_MODE_TILE,
+		AXIS_STRETCH_MODE_TILE_FIT,
+	};
+
+private:
+	float expand_margin[4] = {};
+	float texture_margin[4] = {};
+	Rect2 region_rect;
+	Ref<Texture2D> texture;
+	bool draw_center = true;
+	Color modulate = Color(1, 1, 1, 1);
+	AxisStretchMode axis_h = AXIS_STRETCH_MODE_STRETCH;
+	AxisStretchMode axis_v = AXIS_STRETCH_MODE_STRETCH;
+
+protected:
+	virtual float get_style_margin(Side p_side) const override;
+	static void _bind_methods();
+
+public:
+	void set_texture(Ref<Texture2D> p_texture);
+	Ref<Texture2D> get_texture() const;
+
+	void set_texture_margin(Side p_side, float p_size);
+	void set_texture_margin_all(float p_size);
+	void set_texture_margin_individual(float p_left, float p_top, float p_right, float p_bottom);
+	float get_texture_margin(Side p_side) const;
+
+	void set_expand_margin(Side p_expand_side, float p_size);
+	void set_expand_margin_all(float p_expand_margin_size);
+	void set_expand_margin_individual(float p_left, float p_top, float p_right, float p_bottom);
+	float get_expand_margin(Side p_expand_side) const;
+
+	void set_region_rect(const Rect2 &p_region_rect);
+	Rect2 get_region_rect() const;
+
+	void set_draw_center(bool p_enabled);
+	bool is_draw_center_enabled() const;
+
+	void set_h_axis_stretch_mode(AxisStretchMode p_mode);
+	AxisStretchMode get_h_axis_stretch_mode() const;
+
+	void set_v_axis_stretch_mode(AxisStretchMode p_mode);
+	AxisStretchMode get_v_axis_stretch_mode() const;
+
+	void set_modulate(const Color &p_modulate);
+	Color get_modulate() const;
+
+	virtual Rect2 get_draw_rect(const Rect2 &p_rect) const override;
+	virtual void draw(RID p_canvas_item, const Rect2 &p_rect) const override;
+
+	StyleBoxTexture();
+	~StyleBoxTexture();
+};
+
+VARIANT_ENUM_CAST(StyleBoxTexture::AxisStretchMode)
+
+#endif // STYLE_BOX_TEXTURE_H
diff --git a/tests/scene/test_theme.h b/tests/scene/test_theme.h
index 59a5ad2cfff..ad1ce1fd50d 100644
--- a/tests/scene/test_theme.h
+++ b/tests/scene/test_theme.h
@@ -32,6 +32,7 @@
 #define TEST_THEME_H
 
 #include "scene/resources/image_texture.h"
+#include "scene/resources/style_box_flat.h"
 #include "scene/resources/theme.h"
 #include "tests/test_tools.h"