mirror of
https://github.com/thorvg/thorvg.git
synced 2025-06-08 13:43:43 +00:00
c64ed2ec03
enhance decoding efficiency by determining the desired canvas format during image loading. This allows loaders to preemptively decode the image in the specified format, to not convert the format again.
405 lines
No EOL
11 KiB
C++
405 lines
No EOL
11 KiB
C++
/*
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* Copyright (c) 2020 - 2024 the ThorVG project. All rights reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <string.h>
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#include "tvgInlist.h"
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#include "tvgLoader.h"
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#include "tvgLock.h"
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#ifdef THORVG_SVG_LOADER_SUPPORT
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#include "tvgSvgLoader.h"
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#endif
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#ifdef THORVG_PNG_LOADER_SUPPORT
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#include "tvgPngLoader.h"
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#endif
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#ifdef THORVG_TVG_LOADER_SUPPORT
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#include "tvgTvgLoader.h"
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#endif
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#ifdef THORVG_JPG_LOADER_SUPPORT
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#include "tvgJpgLoader.h"
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#endif
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#ifdef THORVG_WEBP_LOADER_SUPPORT
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#include "tvgWebpLoader.h"
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#endif
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#ifdef THORVG_TTF_LOADER_SUPPORT
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#include "tvgTtfLoader.h"
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#endif
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#ifdef THORVG_LOTTIE_LOADER_SUPPORT
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#include "tvgLottieLoader.h"
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#endif
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#include "tvgRawLoader.h"
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uint64_t HASH_KEY(const char* data, uint64_t size)
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{
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return (((uint64_t) data) << 32) | size;
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}
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/************************************************************************/
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/* Internal Class Implementation */
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/************************************************************************/
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ColorSpace ImageLoader::cs = ColorSpace::ARGB8888;
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static Key key;
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static Inlist<LoadModule> _activeLoaders;
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static LoadModule* _find(FileType type)
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{
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switch(type) {
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case FileType::Png: {
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#ifdef THORVG_PNG_LOADER_SUPPORT
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return new PngLoader;
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#endif
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break;
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}
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case FileType::Jpg: {
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#ifdef THORVG_JPG_LOADER_SUPPORT
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return new JpgLoader;
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#endif
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break;
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}
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case FileType::Webp: {
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#ifdef THORVG_WEBP_LOADER_SUPPORT
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return new WebpLoader;
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#endif
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break;
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}
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case FileType::Tvg: {
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#ifdef THORVG_TVG_LOADER_SUPPORT
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return new TvgLoader;
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#endif
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break;
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}
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case FileType::Svg: {
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#ifdef THORVG_SVG_LOADER_SUPPORT
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return new SvgLoader;
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#endif
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break;
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}
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case FileType::Ttf: {
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#ifdef THORVG_TTF_LOADER_SUPPORT
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return new TtfLoader;
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#endif
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break;
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}
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case FileType::Lottie: {
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#ifdef THORVG_LOTTIE_LOADER_SUPPORT
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return new LottieLoader;
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#endif
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break;
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}
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case FileType::Raw: {
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return new RawLoader;
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break;
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}
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default: {
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break;
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}
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}
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#ifdef THORVG_LOG_ENABLED
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const char *format;
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switch(type) {
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case FileType::Tvg: {
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format = "TVG";
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break;
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}
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case FileType::Svg: {
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format = "SVG";
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break;
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}
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case FileType::Ttf: {
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format = "TTF";
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break;
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}
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case FileType::Lottie: {
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format = "lottie(json)";
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break;
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}
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case FileType::Raw: {
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format = "RAW";
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break;
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}
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case FileType::Png: {
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format = "PNG";
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break;
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}
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case FileType::Jpg: {
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format = "JPG";
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break;
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}
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case FileType::Webp: {
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format = "WEBP";
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break;
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}
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default: {
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format = "???";
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break;
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}
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}
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TVGLOG("RENDERER", "%s format is not supported", format);
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#endif
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return nullptr;
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}
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static LoadModule* _findByPath(const string& path)
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{
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auto ext = path.substr(path.find_last_of(".") + 1);
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if (!ext.compare("tvg")) return _find(FileType::Tvg);
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if (!ext.compare("svg")) return _find(FileType::Svg);
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if (!ext.compare("json")) return _find(FileType::Lottie);
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if (!ext.compare("lottie")) return _find(FileType::Lottie);
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if (!ext.compare("png")) return _find(FileType::Png);
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if (!ext.compare("jpg")) return _find(FileType::Jpg);
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if (!ext.compare("webp")) return _find(FileType::Webp);
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if (!ext.compare("ttf") || !ext.compare("ttc")) return _find(FileType::Ttf);
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if (!ext.compare("otf") || !ext.compare("otc")) return _find(FileType::Ttf);
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return nullptr;
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}
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static FileType _convert(const string& mimeType)
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{
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auto type = FileType::Unknown;
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if (mimeType == "tvg") type = FileType::Tvg;
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else if (mimeType == "svg" || mimeType == "svg+xml") type = FileType::Svg;
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else if (mimeType == "ttf" || mimeType == "otf") type = FileType::Ttf;
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else if (mimeType == "lottie") type = FileType::Lottie;
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else if (mimeType == "raw") type = FileType::Raw;
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else if (mimeType == "png") type = FileType::Png;
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else if (mimeType == "jpg" || mimeType == "jpeg") type = FileType::Jpg;
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else if (mimeType == "webp") type = FileType::Webp;
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else TVGLOG("RENDERER", "Given mimetype is unknown = \"%s\".", mimeType.c_str());
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return type;
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}
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static LoadModule* _findByType(const string& mimeType)
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{
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return _find(_convert(mimeType));
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}
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static LoadModule* _findFromCache(const string& path)
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{
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ScopedLock lock(key);
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auto loader = _activeLoaders.head;
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while (loader) {
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if (loader->hashpath && !strcmp(loader->hashpath, path.c_str())) {
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++loader->sharing;
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return loader;
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}
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loader = loader->next;
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}
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return nullptr;
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}
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static LoadModule* _findFromCache(const char* data, uint32_t size, const string& mimeType)
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{
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auto type = _convert(mimeType);
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if (type == FileType::Unknown) return nullptr;
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ScopedLock lock(key);
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auto loader = _activeLoaders.head;
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auto key = HASH_KEY(data, size);
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while (loader) {
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if (loader->type == type && loader->hashkey == key) {
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++loader->sharing;
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return loader;
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}
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loader = loader->next;
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}
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return nullptr;
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}
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/************************************************************************/
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/* External Class Implementation */
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/************************************************************************/
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bool LoaderMgr::init()
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{
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return true;
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}
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bool LoaderMgr::term()
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{
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auto loader = _activeLoaders.head;
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//clean up the remained font loaders which is globally used.
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while (loader && loader->type == FileType::Ttf) {
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auto ret = loader->close();
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auto tmp = loader;
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loader = loader->next;
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_activeLoaders.remove(tmp);
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if (ret) delete(loader);
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}
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return true;
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}
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bool LoaderMgr::retrieve(LoadModule* loader)
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{
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if (!loader) return false;
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if (loader->close()) {
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{
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ScopedLock lock(key);
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_activeLoaders.remove(loader);
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}
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delete(loader);
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}
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return true;
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}
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LoadModule* LoaderMgr::loader(const string& path, bool* invalid)
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{
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*invalid = false;
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if (auto loader = _findFromCache(path)) return loader;
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if (auto loader = _findByPath(path)) {
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if (loader->open(path)) {
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loader->hashpath = strdup(path.c_str());
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{
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ScopedLock lock(key);
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_activeLoaders.back(loader);
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}
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return loader;
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}
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delete(loader);
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}
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//Unkown MimeType. Try with the candidates in the order
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for (int i = 0; i < static_cast<int>(FileType::Raw); i++) {
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if (auto loader = _find(static_cast<FileType>(i))) {
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if (loader->open(path)) {
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loader->hashpath = strdup(path.c_str());
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{
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ScopedLock lock(key);
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_activeLoaders.back(loader);
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}
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return loader;
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}
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delete(loader);
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}
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}
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*invalid = true;
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return nullptr;
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}
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bool LoaderMgr::retrieve(const string& path)
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{
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return retrieve(_findFromCache(path));
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}
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LoadModule* LoaderMgr::loader(const char* key)
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{
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auto loader = _activeLoaders.head;
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while (loader) {
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if (loader->hashpath && strstr(loader->hashpath, key)) {
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++loader->sharing;
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return loader;
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}
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loader = loader->next;
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}
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return nullptr;
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}
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LoadModule* LoaderMgr::loader(const char* data, uint32_t size, const string& mimeType, bool copy)
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{
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if (auto loader = _findFromCache(data, size, mimeType)) return loader;
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//Try with the given MimeType
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if (!mimeType.empty()) {
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if (auto loader = _findByType(mimeType)) {
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if (loader->open(data, size, copy)) {
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loader->hashkey = HASH_KEY(data, size);
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ScopedLock lock(key);
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_activeLoaders.back(loader);
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return loader;
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} else {
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TVGLOG("LOADER", "Given mimetype \"%s\" seems incorrect or not supported.", mimeType.c_str());
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delete(loader);
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}
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}
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}
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//Unkown MimeType. Try with the candidates in the order
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for (int i = 0; i < static_cast<int>(FileType::Raw); i++) {
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auto loader = _find(static_cast<FileType>(i));
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if (loader) {
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if (loader->open(data, size, copy)) {
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loader->hashkey = HASH_KEY(data, size);
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{
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ScopedLock lock(key);
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_activeLoaders.back(loader);
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}
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return loader;
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}
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delete(loader);
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}
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}
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return nullptr;
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}
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LoadModule* LoaderMgr::loader(const uint32_t *data, uint32_t w, uint32_t h, bool copy)
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{
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//TODO: should we check premultiplied??
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if (auto loader = _findFromCache((const char*)(data), w * h, "raw")) return loader;
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//function is dedicated for raw images only
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auto loader = new RawLoader;
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if (loader->open(data, w, h, copy)) {
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loader->hashkey = HASH_KEY((const char*)data, w * h);
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{
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ScopedLock lock(key);
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_activeLoaders.back(loader);
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}
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return loader;
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}
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delete(loader);
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return nullptr;
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} |