9e3393a624
Icons are no longer upsampled when using an integer editor scale. This makes some icons slightly less crisp, but the icons themselves can be adjusted to mitigate this. When using a non-integer editor scale setting, upsampling is kept as it improves crispness in a far more visible manner. When upsampling is disabled, this speeds up the theme generation by about 100 ms on average, making the project manager and editor start slightly faster. This also speeds up switching between themes.
169 lines
6.7 KiB
C++
169 lines
6.7 KiB
C++
/*************************************************************************/
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/* image_loader_svg.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "image_loader_svg.h"
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#include "core/os/os.h"
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#include "core/print_string.h"
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#include "core/ustring.h"
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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) {
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nsvgRasterize(rasterizer, p_image, p_tx, p_ty, p_scale, p_dst, p_w, p_h, p_stride);
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}
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SVGRasterizer::SVGRasterizer() {
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rasterizer = nsvgCreateRasterizer();
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}
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SVGRasterizer::~SVGRasterizer() {
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nsvgDeleteRasterizer(rasterizer);
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}
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SVGRasterizer ImageLoaderSVG::rasterizer;
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inline void change_nsvg_paint_color(NSVGpaint *p_paint, const uint32_t p_old, const uint32_t p_new) {
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if (p_paint->type == NSVG_PAINT_COLOR) {
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if (p_paint->color << 8 == p_old << 8) {
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p_paint->color = (p_paint->color & 0xFF000000) | (p_new & 0x00FFFFFF);
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}
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}
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if (p_paint->type == NSVG_PAINT_LINEAR_GRADIENT || p_paint->type == NSVG_PAINT_RADIAL_GRADIENT) {
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for (int stop_index = 0; stop_index < p_paint->gradient->nstops; stop_index++) {
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if (p_paint->gradient->stops[stop_index].color << 8 == p_old << 8) {
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p_paint->gradient->stops[stop_index].color = p_new;
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}
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}
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}
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}
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void ImageLoaderSVG::_convert_colors(NSVGimage *p_svg_image) {
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for (NSVGshape *shape = p_svg_image->shapes; shape != NULL; shape = shape->next) {
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for (int i = 0; i < replace_colors.old_colors.size(); i++) {
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change_nsvg_paint_color(&(shape->stroke), replace_colors.old_colors[i], replace_colors.new_colors[i]);
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change_nsvg_paint_color(&(shape->fill), replace_colors.old_colors[i], replace_colors.new_colors[i]);
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}
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}
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}
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void ImageLoaderSVG::set_convert_colors(Dictionary *p_replace_color) {
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if (p_replace_color) {
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Dictionary replace_color = *p_replace_color;
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for (int i = 0; i < replace_color.keys().size(); i++) {
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Variant o_c = replace_color.keys()[i];
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Variant n_c = replace_color[replace_color.keys()[i]];
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if (o_c.get_type() == Variant::COLOR && n_c.get_type() == Variant::COLOR) {
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Color old_color = o_c;
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Color new_color = n_c;
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replace_colors.old_colors.push_back(old_color.to_abgr32());
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replace_colors.new_colors.push_back(new_color.to_abgr32());
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}
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}
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} else {
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replace_colors.old_colors.clear();
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replace_colors.new_colors.clear();
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}
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}
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Error ImageLoaderSVG::_create_image(Ref<Image> p_image, const PoolVector<uint8_t> *p_data, float p_scale, bool upsample, bool convert_colors) {
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NSVGimage *svg_image;
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PoolVector<uint8_t>::Read src_r = p_data->read();
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svg_image = nsvgParse((char *)src_r.ptr(), "px", 96);
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if (svg_image == NULL) {
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ERR_PRINT("SVG Corrupted");
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return ERR_FILE_CORRUPT;
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}
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if (convert_colors) {
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_convert_colors(svg_image);
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}
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const float upscale = upsample ? 2.0 : 1.0;
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const int w = (int)(svg_image->width * p_scale * upscale);
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ERR_FAIL_COND_V_MSG(w > Image::MAX_WIDTH, ERR_PARAMETER_RANGE_ERROR, vformat("Can't create image from SVG with scale %s, the resulting image size exceeds max width.", rtos(p_scale)));
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const int h = (int)(svg_image->height * p_scale * upscale);
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ERR_FAIL_COND_V_MSG(h > Image::MAX_HEIGHT, ERR_PARAMETER_RANGE_ERROR, vformat("Can't create image from SVG with scale %s, the resulting image size exceeds max height.", rtos(p_scale)));
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PoolVector<uint8_t> dst_image;
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dst_image.resize(w * h * 4);
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PoolVector<uint8_t>::Write dw = dst_image.write();
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rasterizer.rasterize(svg_image, 0, 0, p_scale * upscale, (unsigned char *)dw.ptr(), w, h, w * 4);
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dw.release();
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p_image->create(w, h, false, Image::FORMAT_RGBA8, dst_image);
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if (upsample) {
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p_image->shrink_x2();
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}
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nsvgDelete(svg_image);
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return OK;
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}
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Error ImageLoaderSVG::create_image_from_string(Ref<Image> p_image, const char *p_svg_str, float p_scale, bool upsample, bool convert_colors) {
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size_t str_len = strlen(p_svg_str);
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PoolVector<uint8_t> src_data;
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src_data.resize(str_len + 1);
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PoolVector<uint8_t>::Write src_w = src_data.write();
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memcpy(src_w.ptr(), p_svg_str, str_len + 1);
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return _create_image(p_image, &src_data, p_scale, upsample, convert_colors);
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}
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Error ImageLoaderSVG::load_image(Ref<Image> p_image, FileAccess *f, bool p_force_linear, float p_scale) {
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uint32_t size = f->get_len();
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PoolVector<uint8_t> src_image;
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src_image.resize(size + 1);
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PoolVector<uint8_t>::Write src_w = src_image.write();
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f->get_buffer(src_w.ptr(), size);
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src_w.ptr()[size] = '\0';
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return _create_image(p_image, &src_image, p_scale, 1.0);
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}
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void ImageLoaderSVG::get_recognized_extensions(List<String> *p_extensions) const {
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p_extensions->push_back("svg");
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p_extensions->push_back("svgz");
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}
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ImageLoaderSVG::ImageLoaderSVG() {
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}
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ImageLoaderSVG::ReplaceColors ImageLoaderSVG::replace_colors;
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