forked from Green-Sky/tomato
add webp support
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bdfe44399a
commit
2dba4f8fbb
1
external/CMakeLists.txt
vendored
1
external/CMakeLists.txt
vendored
@ -16,4 +16,5 @@ add_subdirectory(./sdl)
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add_subdirectory(./imgui)
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add_subdirectory(./stb)
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add_subdirectory(./libwebp)
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6
external/libwebp/CMakeLists.txt
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6
external/libwebp/CMakeLists.txt
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@ -0,0 +1,6 @@
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cmake_minimum_required(VERSION 3.9 FATAL_ERROR)
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set(WEBP_LINK_STATIC ON CACHE INTERNAL "")
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add_subdirectory(./libwebp EXCLUDE_FROM_ALL)
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@ -20,6 +20,8 @@ add_executable(tomato
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./image_loader_sdl_bmp.cpp
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./image_loader_stb.hpp
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./image_loader_stb.cpp
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./image_loader_webp.hpp
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./image_loader_webp.cpp
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./theme.hpp
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./texture_uploader.hpp
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@ -57,5 +59,6 @@ target_link_libraries(tomato PUBLIC
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imgui_backend_sdlrenderer3
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stb_image
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webpdemux
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)
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78
src/image_loader_webp.cpp
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78
src/image_loader_webp.cpp
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@ -0,0 +1,78 @@
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#include "./image_loader_webp.hpp"
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#include <webp/demux.h>
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#include <webp/mux.h>
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#include <cassert>
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ImageLoaderWebP::ImageInfo ImageLoaderWebP::loadInfoFromMemory(const uint8_t* data, uint64_t data_size) {
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ImageInfo res;
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WebPData webp_data;
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WebPDataInit(&webp_data);
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webp_data.bytes = data;
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webp_data.size = data_size;
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WebPAnimDecoderOptions dec_options;
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WebPAnimDecoderOptionsInit(&dec_options);
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// Tune 'dec_options' as needed.
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dec_options.color_mode = MODE_RGBA;
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WebPAnimDecoder* dec = WebPAnimDecoderNew(&webp_data, &dec_options);
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if (dec == nullptr) {
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return res;
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}
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WebPAnimInfo anim_info;
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WebPAnimDecoderGetInfo(dec, &anim_info);
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res.width = anim_info.canvas_width;
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res.height = anim_info.canvas_height;
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return res;
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}
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ImageLoaderWebP::ImageResult ImageLoaderWebP::loadFromMemoryRGBA(const uint8_t* data, uint64_t data_size) {
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ImageResult res;
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WebPData webp_data;
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WebPDataInit(&webp_data);
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webp_data.bytes = data;
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webp_data.size = data_size;
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WebPAnimDecoderOptions dec_options;
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WebPAnimDecoderOptionsInit(&dec_options);
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// Tune 'dec_options' as needed.
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dec_options.color_mode = MODE_RGBA;
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WebPAnimDecoder* dec = WebPAnimDecoderNew(&webp_data, &dec_options);
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if (dec == nullptr) {
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return res;
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}
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WebPAnimInfo anim_info;
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WebPAnimDecoderGetInfo(dec, &anim_info);
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res.width = anim_info.canvas_width;
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res.height = anim_info.canvas_height;
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int prev_timestamp = 0;
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while (WebPAnimDecoderHasMoreFrames(dec)) {
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uint8_t* buf;
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int timestamp;
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WebPAnimDecoderGetNext(dec, &buf, ×tamp);
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// ... (Render 'buf' based on 'timestamp').
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// ... (Do NOT free 'buf', as it is owned by 'dec').
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// just be dumb and append
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auto& new_frame = res.frames.emplace_back();
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new_frame.ms = timestamp-prev_timestamp;
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prev_timestamp = timestamp;
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new_frame.data.insert(new_frame.data.end(), buf, buf+(res.width*res.height*4));
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}
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WebPAnimDecoderDelete(dec);
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assert(anim_info.frame_count == res.frames.size());
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return res;
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}
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9
src/image_loader_webp.hpp
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9
src/image_loader_webp.hpp
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@ -0,0 +1,9 @@
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#pragma once
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#include "./image_loader.hpp"
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struct ImageLoaderWebP : public ImageLoaderI {
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ImageInfo loadInfoFromMemory(const uint8_t* data, uint64_t data_size) override;
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ImageResult loadFromMemoryRGBA(const uint8_t* data, uint64_t data_size) override;
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};
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@ -2,6 +2,7 @@
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#include "./image_loader_sdl_bmp.hpp"
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#include "./image_loader_stb.hpp"
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#include "./image_loader_webp.hpp"
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#include <solanaceae/contact/components.hpp>
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#include <solanaceae/tox_contacts/components.hpp>
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@ -15,7 +16,7 @@
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ToxAvatarLoader::ToxAvatarLoader(Contact3Registry& cr) : _cr(cr) {
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_image_loaders.push_back(std::make_unique<ImageLoaderSDLBMP>());
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//_image_loaders.push_back(std::make_unique<ImageLoaderWebP>());
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_image_loaders.push_back(std::make_unique<ImageLoaderWebP>());
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_image_loaders.push_back(std::make_unique<ImageLoaderSTB>());
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}
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