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optimized color conversion for svg generation

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This commit is contained in:
toger5 2017-09-08 04:31:12 +02:00
parent 175777596e
commit ee5dc05a09
3 changed files with 55 additions and 37 deletions
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25
editor/editor_themes.cpp
View file

@ -86,7 +86,7 @@ static Ref<StyleBoxFlat> change_border_color(Ref<StyleBoxFlat> p_style, Color p_
return style;
}
Ref<ImageTexture> editor_generate_icon(int p_index, bool dark_theme = true, Dictionary *p_colors = NULL, float p_scale = EDSCALE, bool force_filter = false) {
Ref<ImageTexture> editor_generate_icon(int p_index, bool convert_color, float p_scale = EDSCALE, bool force_filter = false) {
Ref<ImageTexture> icon = memnew(ImageTexture);
Ref<Image> img = memnew(Image);
@ -94,7 +94,7 @@ Ref<ImageTexture> editor_generate_icon(int p_index, bool dark_theme = true, Dict
// dumb gizmo check
bool is_gizmo = String(editor_icons_names[p_index]).begins_with("Gizmo");
ImageLoaderSVG::create_image_from_string(img, editor_icons_sources[p_index], p_scale, true, dark_theme ? NULL : p_colors);
ImageLoaderSVG::create_image_from_string(img, editor_icons_sources[p_index], p_scale, true, convert_color);
if ((p_scale - (float)((int)p_scale)) > 0.0 || is_gizmo || force_filter)
icon->create_from_image(img); // in this case filter really helps
@ -160,34 +160,41 @@ void editor_register_and_generate_icons(Ref<Theme> p_theme, bool dark_theme = tr
clock_t begin_time = clock();
ImageLoaderSVG::set_convert_colors(dark_theme ? NULL : &dark_icon_color_dictionary);
// generate icons
if (!only_thumbs)
for (int i = 0; i < editor_icons_count; i++) {
List<String>::Element *is_exception = exceptions.find(editor_icons_names[i]);
if (is_exception) {
exceptions.erase(is_exception);
}
Ref<ImageTexture> icon = editor_generate_icon(i, dark_theme, is_exception ? NULL : &dark_icon_color_dictionary);
if (is_exception) exceptions.erase(is_exception);
Ref<ImageTexture> icon = editor_generate_icon(i, !dark_theme && !is_exception);
p_theme->set_icon(editor_icons_names[i], "EditorIcons", icon);
}
bool force_filter = !(p_thumb_size == 64 && p_thumb_size == 32); // we dont need filter with original resolution
// generate thumb files with the given thumb size
bool force_filter = !(p_thumb_size == 64 && p_thumb_size == 32); // we dont need filter with original resolution
if (p_thumb_size >= 64) {
float scale = (float)p_thumb_size / 64.0 * EDSCALE;
for (int i = 0; i < editor_bg_thumbs_count; i++) {
int index = editor_bg_thumbs_indices[i];
Ref<ImageTexture> icon = editor_generate_icon(index, dark_theme, &dark_icon_color_dictionary, scale, force_filter);
List<String>::Element *is_exception = exceptions.find(editor_icons_names[index]);
if (is_exception) exceptions.erase(is_exception);
Ref<ImageTexture> icon = editor_generate_icon(index, !dark_theme && !is_exception, scale, force_filter);
p_theme->set_icon(editor_icons_names[index], "EditorIcons", icon);
}
} else {
float scale = (float)p_thumb_size / 32.0 * EDSCALE;
for (int i = 0; i < editor_md_thumbs_count; i++) {
int index = editor_md_thumbs_indices[i];
Ref<ImageTexture> icon = editor_generate_icon(index, dark_theme, &dark_icon_color_dictionary, scale, force_filter);
List<String>::Element *is_exception = exceptions.find(editor_icons_names[index]);
if (is_exception) exceptions.erase(is_exception);
Ref<ImageTexture> icon = editor_generate_icon(index, !dark_theme && !is_exception, scale, force_filter);
p_theme->set_icon(editor_icons_names[index], "EditorIcons", icon);
}
}
ImageLoaderSVG::set_convert_colors(NULL);
clock_t end_time = clock();
double time_d = (double)(end_time - begin_time) / CLOCKS_PER_SEC;

55
modules/svg/image_loader_svg.cpp
View file

@ -63,33 +63,39 @@ inline void change_nsvg_paint_color(NSVGpaint *p_paint, const uint32_t p_old, co
}
}
}
void ImageLoaderSVG::_convert_colors(NSVGimage *p_svg_image, const Dictionary p_colors) {
List<uint32_t> replace_colors_i;
List<uint32_t> new_colors_i;
List<Color> replace_colors;
List<Color> new_colors;
for (int i = 0; i < p_colors.keys().size(); i++) {
Variant r_c = p_colors.keys()[i];
Variant n_c = p_colors[p_colors.keys()[i]];
if (r_c.get_type() == Variant::COLOR && n_c.get_type() == Variant::COLOR) {
Color replace_color = r_c;
Color new_color = n_c;
replace_colors_i.push_back(replace_color.to_abgr32());
new_colors_i.push_back(new_color.to_abgr32());
}
}
void ImageLoaderSVG::_convert_colors(NSVGimage *p_svg_image) {
for (NSVGshape *shape = p_svg_image->shapes; shape != NULL; shape = shape->next) {
for (int i = 0; i < replace_colors_i.size(); i++) {
change_nsvg_paint_color(&(shape->stroke), replace_colors_i[i], new_colors_i[i]);
change_nsvg_paint_color(&(shape->fill), replace_colors_i[i], new_colors_i[i]);
for (int i = 0; i < replace_colors.old_colors.size(); i++) {
change_nsvg_paint_color(&(shape->stroke), replace_colors.old_colors[i], replace_colors.new_colors[i]);
change_nsvg_paint_color(&(shape->fill), replace_colors.old_colors[i], replace_colors.new_colors[i]);
}
}
}
Error ImageLoaderSVG::_create_image(Ref<Image> p_image, const PoolVector<uint8_t> *p_data, float p_scale, bool upsample, const Dictionary *p_replace_colors) {
void ImageLoaderSVG::set_convert_colors(Dictionary *p_replace_color) {
if (p_replace_color) {
Dictionary replace_color = *p_replace_color;
for (int i = 0; i < replace_color.keys().size(); i++) {
Variant o_c = replace_color.keys()[i];
Variant n_c = replace_color[replace_color.keys()[i]];
if (o_c.get_type() == Variant::COLOR && n_c.get_type() == Variant::COLOR) {
Color old_color = o_c;
Color new_color = n_c;
replace_colors.old_colors.push_back(old_color.to_abgr32());
replace_colors.new_colors.push_back(new_color.to_abgr32());
}
}
} else {
replace_colors.old_colors.clear();
replace_colors.new_colors.clear();
}
}
Error ImageLoaderSVG::_create_image(Ref<Image> p_image, const PoolVector<uint8_t> *p_data, float p_scale, bool upsample, bool convert_colors) {
NSVGimage *svg_image;
PoolVector<uint8_t>::Read src_r = p_data->read();
svg_image = nsvgParse((char *)src_r.ptr(), "px", 96);
@ -97,10 +103,9 @@ Error ImageLoaderSVG::_create_image(Ref<Image> p_image, const PoolVector<uint8_t
ERR_PRINT("SVG Corrupted");
return ERR_FILE_CORRUPT;
}
if (convert_colors)
_convert_colors(svg_image);
if (p_replace_colors != NULL) {
_convert_colors(svg_image, *p_replace_colors);
}
float upscale = upsample ? 2.0 : 1.0;
int w = (int)(svg_image->width * p_scale * upscale);
@ -123,7 +128,7 @@ Error ImageLoaderSVG::_create_image(Ref<Image> p_image, const PoolVector<uint8_t
return OK;
}
Error ImageLoaderSVG::create_image_from_string(Ref<Image> p_image, const char *svg_str, float p_scale, bool upsample, const Dictionary *p_replace_colors) {
Error ImageLoaderSVG::create_image_from_string(Ref<Image> p_image, const char *svg_str, float p_scale, bool upsample, bool convert_colors) {
size_t str_len = strlen(svg_str);
PoolVector<uint8_t> src_data;
@ -131,7 +136,7 @@ Error ImageLoaderSVG::create_image_from_string(Ref<Image> p_image, const char *s
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, p_replace_colors);
return _create_image(p_image, &src_data, p_scale, upsample, convert_colors);
}
Error ImageLoaderSVG::load_image(Ref<Image> p_image, FileAccess *f, bool p_force_linear, float p_scale) {
@ -154,3 +159,5 @@ void ImageLoaderSVG::get_recognized_extensions(List<String> *p_extensions) const
ImageLoaderSVG::ImageLoaderSVG() {
}
ImageLoaderSVG::ReplaceColors ImageLoaderSVG::replace_colors;

12
modules/svg/image_loader_svg.h
View file

@ -52,13 +52,17 @@ public:
};
class ImageLoaderSVG : public ImageFormatLoader {
static struct ReplaceColors {
List<uint32_t> old_colors;
List<uint32_t> new_colors;
} replace_colors;
static SVGRasterizer rasterizer;
static void _convert_colors(NSVGimage *p_svg_imge, const Dictionary p_colors);
static Error _create_image(Ref<Image> p_image, const PoolVector<uint8_t> *p_data, float p_scale, bool upsample, const Dictionary *p_replace_color = NULL);
static void _convert_colors(NSVGimage *p_svg_imge);
static Error _create_image(Ref<Image> p_image, const PoolVector<uint8_t> *p_data, float p_scale, bool upsample, bool convert_colors = false);
public:
static Error create_image_from_string(Ref<Image> p_image, const char *p_svg_str, float p_scale, bool upsample, const Dictionary *p_replace_color = NULL);
static void set_convert_colors(Dictionary *p_replace_color = NULL);
static Error create_image_from_string(Ref<Image> p_image, const char *p_svg_str, float p_scale, bool upsample, bool convert_colors = false);
virtual Error load_image(Ref<Image> p_image, FileAccess *f, bool p_force_linear, float p_scale);
virtual void get_recognized_extensions(List<String> *p_extensions) const;