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ImageLoaderSVG: Improve error reporting

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This commit is contained in:
Rémi Verschelde 2022-11-18 22:47:55 +01:00
parent a8a88194a5
commit d3b8faac74
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GPG Key ID: C3336907360768E1
4 changed files with 34 additions and 15 deletions
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3
editor/editor_themes.cpp
View File

@ -240,7 +240,8 @@ static Ref<ImageTexture> editor_generate_icon(int p_index, float p_scale, float
// with integer editor scales.
const bool upsample = !Math::is_equal_approx(Math::round(p_scale), p_scale);
ImageLoaderSVG img_loader;
img_loader.create_image_from_string(img, editor_icons_sources[p_index], p_scale, upsample, p_convert_colors);
Error err = img_loader.create_image_from_string(img, editor_icons_sources[p_index], p_scale, upsample, p_convert_colors);
ERR_FAIL_COND_V_MSG(err != OK, Ref<ImageTexture>(), "Failed generating icon, unsupported or invalid SVG data in editor theme.");
if (p_saturation != 1.0) {
img->adjust_bcs(1.0, 1.0, p_saturation);
}

41
modules/svg/image_loader_svg.cpp
View File

@ -67,8 +67,8 @@ void ImageLoaderSVG::_replace_color_property(const HashMap<Color, Color> &p_colo
}
}
void ImageLoaderSVG::create_image_from_string(Ref<Image> p_image, String p_string, float p_scale, bool p_upsample, const HashMap<Color, Color> &p_color_map) {
ERR_FAIL_COND(Math::is_zero_approx(p_scale));
Error ImageLoaderSVG::create_image_from_string(Ref<Image> p_image, String p_string, float p_scale, bool p_upsample, const HashMap<Color, Color> &p_color_map) {
ERR_FAIL_COND_V_MSG(Math::is_zero_approx(p_scale), ERR_INVALID_PARAMETER, "ImageLoaderSVG: Can't load SVG with a scale of 0.");
if (p_color_map.size()) {
_replace_color_property(p_color_map, "stop-color=\"", p_string);
@ -81,13 +81,23 @@ void ImageLoaderSVG::create_image_from_string(Ref<Image> p_image, String p_strin
tvg::Result result = picture->load((const char *)bytes.ptr(), bytes.size(), "svg", true);
if (result != tvg::Result::Success) {
return;
return ERR_INVALID_DATA;
}
float fw, fh;
picture->size(&fw, &fh);
uint32_t width = MIN(round(fw * p_scale), 16 * 1024);
uint32_t height = MIN(round(fh * p_scale), 16 * 1024);
uint32_t width = round(fw * p_scale);
uint32_t height = round(fh * p_scale);
const uint32_t max_dimension = 16384;
if (width > max_dimension || height > max_dimension) {
WARN_PRINT(vformat(
String::utf8("ImageLoaderSVG: Target canvas dimensions %d×%d (with scale %.2f) exceed the max supported dimensions %d×%d. The target canvas will be scaled down."),
width, height, p_scale, max_dimension, max_dimension));
width = MIN(width, max_dimension);
height = MIN(height, max_dimension);
}
picture->size(width, height);
std::unique_ptr<tvg::SwCanvas> sw_canvas = tvg::SwCanvas::gen();
@ -97,25 +107,25 @@ void ImageLoaderSVG::create_image_from_string(Ref<Image> p_image, String p_strin
tvg::Result res = sw_canvas->target(buffer, width, width, height, tvg::SwCanvas::ARGB8888_STRAIGHT);
if (res != tvg::Result::Success) {
memfree(buffer);
ERR_FAIL_MSG("ImageLoaderSVG can't create image.");
ERR_FAIL_V_MSG(FAILED, "ImageLoaderSVG: Couldn't set target on ThorVG canvas.");
}
res = sw_canvas->push(std::move(picture));
if (res != tvg::Result::Success) {
memfree(buffer);
ERR_FAIL_MSG("ImageLoaderSVG can't create image.");
ERR_FAIL_V_MSG(FAILED, "ImageLoaderSVG: Couldn't insert ThorVG picture on canvas.");
}
res = sw_canvas->draw();
if (res != tvg::Result::Success) {
memfree(buffer);
ERR_FAIL_MSG("ImageLoaderSVG can't create image.");
ERR_FAIL_V_MSG(FAILED, "ImageLoaderSVG: Couldn't draw ThorVG pictures on canvas.");
}
res = sw_canvas->sync();
if (res != tvg::Result::Success) {
memfree(buffer);
ERR_FAIL_MSG("ImageLoaderSVG can't create image.");
ERR_FAIL_V_MSG(FAILED, "ImageLoaderSVG: Couldn't sync ThorVG canvas.");
}
Vector<uint8_t> image;
@ -136,6 +146,7 @@ void ImageLoaderSVG::create_image_from_string(Ref<Image> p_image, String p_strin
memfree(buffer);
p_image->set_data(width, height, false, Image::FORMAT_RGBA8, image);
return OK;
}
void ImageLoaderSVG::get_recognized_extensions(List<String> *p_extensions) const {
@ -145,13 +156,19 @@ void ImageLoaderSVG::get_recognized_extensions(List<String> *p_extensions) const
Error ImageLoaderSVG::load_image(Ref<Image> p_image, Ref<FileAccess> p_fileaccess, BitField<ImageFormatLoader::LoaderFlags> p_flags, float p_scale) {
String svg = p_fileaccess->get_as_utf8_string();
Error err;
if (p_flags & FLAG_CONVERT_COLORS) {
create_image_from_string(p_image, svg, p_scale, false, forced_color_map);
err = create_image_from_string(p_image, svg, p_scale, false, forced_color_map);
} else {
create_image_from_string(p_image, svg, p_scale, false, HashMap<Color, Color>());
err = create_image_from_string(p_image, svg, p_scale, false, HashMap<Color, Color>());
}
if (err != OK) {
return err;
} else if (p_image->is_empty()) {
return ERR_INVALID_DATA;
}
ERR_FAIL_COND_V(p_image->is_empty(), FAILED);
if (p_flags & FLAG_FORCE_LINEAR) {
p_image->srgb_to_linear();
}

2
modules/svg/image_loader_svg.h
View File

@ -41,7 +41,7 @@ class ImageLoaderSVG : public ImageFormatLoader {
public:
static void set_forced_color_map(const HashMap<Color, Color> &p_color_map);
void create_image_from_string(Ref<Image> p_image, String p_string, float p_scale, bool p_upsample, const HashMap<Color, Color> &p_color_map);
Error create_image_from_string(Ref<Image> p_image, String p_string, float p_scale, bool p_upsample, const HashMap<Color, Color> &p_color_map);
virtual Error load_image(Ref<Image> p_image, Ref<FileAccess> p_fileaccess, BitField<ImageFormatLoader::LoaderFlags> p_flags, float p_scale) override;
virtual void get_recognized_extensions(List<String> *p_extensions) const override;

3
scene/resources/default_theme/default_theme.cpp
View File

@ -84,7 +84,8 @@ static Ref<ImageTexture> generate_icon(int p_index) {
// with integer scales.
const bool upsample = !Math::is_equal_approx(Math::round(scale), scale);
ImageLoaderSVG img_loader;
img_loader.create_image_from_string(img, default_theme_icons_sources[p_index], scale, upsample, HashMap<Color, Color>());
Error err = img_loader.create_image_from_string(img, default_theme_icons_sources[p_index], scale, upsample, HashMap<Color, Color>());
ERR_FAIL_COND_V_MSG(err != OK, Ref<ImageTexture>(), "Failed generating icon, unsupported or invalid SVG data in default theme.");
#endif
return ImageTexture::create_from_image(img);