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Added png loading example
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3 changed files with 127 additions and 0 deletions
126
src/examples/LoadPng.cpp
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126
src/examples/LoadPng.cpp
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#include "Common.h"
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#include <fstream>
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/************************************************************************/
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/* Drawing Commands */
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/************************************************************************/
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void tvgDrawCmds(tvg::Canvas* canvas)
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{
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if (!canvas) return;
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for (int i = 0; i < 40; ++i) {
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auto png = tvg::Picture::gen();
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if (png->load(EXAMPLE_DIR"/../pngs/samsung.png") != tvg::Result::Success) return;
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png->translate(i* 5, i * 10);
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png->rotate(10 * i);
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if (canvas->push(move(png)) != tvg::Result::Success) return;
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}
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// if (canvas->push(move(png3)) != tvg::Result::Success) return;
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}
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/************************************************************************/
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/* Sw Engine Test Code */
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/************************************************************************/
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static unique_ptr<tvg::SwCanvas> swCanvas;
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void tvgSwTest(uint32_t* buffer)
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{
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//Create a Canvas
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swCanvas = tvg::SwCanvas::gen();
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swCanvas->target(buffer, WIDTH, WIDTH, HEIGHT, tvg::SwCanvas::ARGB8888);
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/* Push the shape into the Canvas drawing list
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When this shape is into the canvas list, the shape could update & prepare
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internal data asynchronously for coming rendering.
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Canvas keeps this shape node unless user call canvas->clear() */
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tvgDrawCmds(swCanvas.get());
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}
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void drawSwView(void* data, Eo* obj)
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{
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if (swCanvas->draw() == tvg::Result::Success) {
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swCanvas->sync();
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}
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}
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/************************************************************************/
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/* GL Engine Test Code */
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/************************************************************************/
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static unique_ptr<tvg::GlCanvas> glCanvas;
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void initGLview(Evas_Object *obj)
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{
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static constexpr auto BPP = 4;
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//Create a Canvas
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glCanvas = tvg::GlCanvas::gen();
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glCanvas->target(nullptr, WIDTH * BPP, WIDTH, HEIGHT);
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/* Push the shape into the Canvas drawing list
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When this shape is into the canvas list, the shape could update & prepare
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internal data asynchronously for coming rendering.
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Canvas keeps this shape node unless user call canvas->clear() */
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tvgDrawCmds(glCanvas.get());
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}
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void drawGLview(Evas_Object *obj)
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{
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auto gl = elm_glview_gl_api_get(obj);
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gl->glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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gl->glClear(GL_COLOR_BUFFER_BIT);
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if (glCanvas->draw() == tvg::Result::Success) {
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glCanvas->sync();
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}
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}
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/************************************************************************/
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/* Main Code */
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/************************************************************************/
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int main(int argc, char **argv)
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{
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tvg::CanvasEngine tvgEngine = tvg::CanvasEngine::Sw;
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if (argc > 1) {
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if (!strcmp(argv[1], "gl")) tvgEngine = tvg::CanvasEngine::Gl;
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}
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//Initialize ThorVG Engine
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if (tvgEngine == tvg::CanvasEngine::Sw) {
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cout << "tvg engine: software" << endl;
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} else {
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cout << "tvg engine: opengl" << endl;
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}
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//Threads Count
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auto threads = std::thread::hardware_concurrency();
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//Initialize ThorVG Engine
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if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {
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elm_init(argc, argv);
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if (tvgEngine == tvg::CanvasEngine::Sw) {
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createSwView();
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} else {
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createGlView();
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}
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elm_run();
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elm_shutdown();
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//Terminate ThorVG Engine
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tvg::Initializer::term(tvg::CanvasEngine::Sw);
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} else {
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cout << "engine is not supported" << endl;
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}
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return 0;
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}
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@ -36,6 +36,7 @@ source_file = [
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'InvMasking.cpp',
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'InvMasking.cpp',
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'GradientMasking.cpp',
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'GradientMasking.cpp',
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'AnimateMasking.cpp',
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'AnimateMasking.cpp',
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'LoadPng.cpp',
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]
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]
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foreach current_file : source_file
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foreach current_file : source_file
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BIN
src/examples/pngs/samsung.png
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BIN
src/examples/pngs/samsung.png
Normal file
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After Width: | Height: | Size: 38 KiB |
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