mirror of
https://github.com/godotengine/godot.git
synced 2024-11-22 12:12:28 +00:00
112 lines
4.5 KiB
C++
112 lines
4.5 KiB
C++
/*************************************************************************/
|
|
/* image_loader_svg.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
|
|
/* */
|
|
/* 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 "image_loader_svg.h"
|
|
|
|
#include "os/os.h"
|
|
#include "print_string.h"
|
|
|
|
#include <ustring.h>
|
|
|
|
void SVGRasterizer::rasterize(NSVGimage *p_image, float p_tx, float p_ty, float p_scale, unsigned char *p_dst, int p_w, int p_h, int p_stride) {
|
|
nsvgRasterize(rasterizer, p_image, p_tx, p_ty, p_scale, p_dst, p_w, p_h, p_stride);
|
|
}
|
|
|
|
SVGRasterizer::SVGRasterizer() {
|
|
rasterizer = nsvgCreateRasterizer();
|
|
}
|
|
SVGRasterizer::~SVGRasterizer() {
|
|
nsvgDeleteRasterizer(rasterizer);
|
|
}
|
|
|
|
SVGRasterizer ImageLoaderSVG::rasterizer;
|
|
|
|
Error ImageLoaderSVG::_create_image(Ref<Image> p_image, const PoolVector<uint8_t> *p_data, float p_scale, bool upsample) {
|
|
NSVGimage *svg_image;
|
|
PoolVector<uint8_t>::Read src_r = p_data->read();
|
|
svg_image = nsvgParse((char *)src_r.ptr(), "px", 96);
|
|
if (svg_image == NULL) {
|
|
ERR_PRINT("SVG Corrupted");
|
|
return ERR_FILE_CORRUPT;
|
|
}
|
|
|
|
float upscale = upsample ? 2.0 : 1.0;
|
|
|
|
int w = (int)(svg_image->width * p_scale * upscale);
|
|
int h = (int)(svg_image->height * p_scale * upscale);
|
|
|
|
PoolVector<uint8_t> dst_image;
|
|
dst_image.resize(w * h * 4);
|
|
|
|
PoolVector<uint8_t>::Write dw = dst_image.write();
|
|
|
|
rasterizer.rasterize(svg_image, 0, 0, p_scale * upscale, (unsigned char *)dw.ptr(), w, h, w * 4);
|
|
|
|
dw = PoolVector<uint8_t>::Write();
|
|
p_image->create(w, h, false, Image::FORMAT_RGBA8, dst_image);
|
|
if (upsample)
|
|
p_image->shrink_x2();
|
|
|
|
nsvgDelete(svg_image);
|
|
|
|
return OK;
|
|
}
|
|
|
|
Error ImageLoaderSVG::create_image_from_string(Ref<Image> p_image, const char *svg_str, float p_scale, bool upsample) {
|
|
|
|
size_t str_len = strlen(svg_str);
|
|
PoolVector<uint8_t> src_data;
|
|
src_data.resize(str_len + 1);
|
|
PoolVector<uint8_t>::Write src_w = src_data.write();
|
|
memcpy(src_w.ptr(), svg_str, str_len + 1);
|
|
|
|
return _create_image(p_image, &src_data, p_scale, upsample);
|
|
}
|
|
|
|
Error ImageLoaderSVG::load_image(Ref<Image> p_image, FileAccess *f, bool p_force_linear, float p_scale) {
|
|
|
|
uint32_t size = f->get_len();
|
|
PoolVector<uint8_t> src_image;
|
|
src_image.resize(size + 1);
|
|
PoolVector<uint8_t>::Write src_w = src_image.write();
|
|
f->get_buffer(src_w.ptr(), size);
|
|
src_w.ptr()[size] = '\0';
|
|
|
|
return _create_image(p_image, &src_image, p_scale, 1.0);
|
|
}
|
|
|
|
void ImageLoaderSVG::get_recognized_extensions(List<String> *p_extensions) const {
|
|
|
|
p_extensions->push_back("svg");
|
|
p_extensions->push_back("svgz");
|
|
}
|
|
|
|
ImageLoaderSVG::ImageLoaderSVG() {
|
|
}
|