thorvg/src/examples/FillRule.cpp
Hermet Park e445b7f579 Revert "examples: revise example code."
This broke gl_engine rendering, revert it.

This reverts commit 9bb1972ef9.
2020-11-06 15:37:17 +09:00

141 lines
4.1 KiB
C++

#include "Common.h"
/************************************************************************/
/* Drawing Commands */
/************************************************************************/
void tvgDrawCmds(tvg::Canvas* canvas)
{
if (!canvas) return;
//Star
auto shape1 = tvg::Shape::gen();
shape1->moveTo(205, 35);
shape1->lineTo(330, 355);
shape1->lineTo(25, 150);
shape1->lineTo(385, 150);
shape1->lineTo(80, 355);
shape1->close();
shape1->fill(255, 255, 255, 255);
shape1->fill(tvg::FillRule::Winding); //Fill all winding shapes
if (canvas->push(move(shape1)) != tvg::Result::Success) return;
//Star 2
auto shape2 = tvg::Shape::gen();
shape2->moveTo(535, 335);
shape2->lineTo(660, 655);
shape2->lineTo(355, 450);
shape2->lineTo(715, 450);
shape2->lineTo(410, 655);
shape2->close();
shape2->fill(255, 255, 255, 255);
shape2->fill(tvg::FillRule::EvenOdd); //Fill polygons with even odd pattern
if (canvas->push(move(shape2)) != tvg::Result::Success) return;
}
/************************************************************************/
/* Sw Engine Test Code */
/************************************************************************/
static unique_ptr<tvg::SwCanvas> swCanvas;
void tvgSwTest(uint32_t* buffer)
{
//Create a Canvas
swCanvas = tvg::SwCanvas::gen();
swCanvas->target(buffer, WIDTH, WIDTH, HEIGHT, tvg::SwCanvas::ARGB8888);
/* Push the shape into the Canvas drawing list
When this shape is into the canvas list, the shape could update & prepare
internal data asynchronously for coming rendering.
Canvas keeps this shape node unless user call canvas->clear() */
tvgDrawCmds(swCanvas.get());
}
void drawSwView(void* data, Eo* obj)
{
if (swCanvas->draw() == tvg::Result::Success) {
swCanvas->sync();
}
}
/************************************************************************/
/* GL Engine Test Code */
/************************************************************************/
static unique_ptr<tvg::GlCanvas> glCanvas;
void initGLview(Evas_Object *obj)
{
static constexpr auto BPP = 4;
//Create a Canvas
glCanvas = tvg::GlCanvas::gen();
glCanvas->target(nullptr, WIDTH * BPP, WIDTH, HEIGHT);
/* Push the shape into the Canvas drawing list
When this shape is into the canvas list, the shape could update & prepare
internal data asynchronously for coming rendering.
Canvas keeps this shape node unless user call canvas->clear() */
tvgDrawCmds(glCanvas.get());
}
void drawGLview(Evas_Object *obj)
{
auto gl = elm_glview_gl_api_get(obj);
gl->glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
gl->glClear(GL_COLOR_BUFFER_BIT);
if (glCanvas->draw() == tvg::Result::Success) {
glCanvas->sync();
}
}
/************************************************************************/
/* Main Code */
/************************************************************************/
int main(int argc, char **argv)
{
tvg::CanvasEngine tvgEngine = tvg::CanvasEngine::Sw;
if (argc > 1) {
if (!strcmp(argv[1], "gl")) tvgEngine = tvg::CanvasEngine::Gl;
}
//Initialize ThorVG Engine
if (tvgEngine == tvg::CanvasEngine::Sw) {
cout << "tvg engine: software" << endl;
} else {
cout << "tvg engine: opengl" << endl;
}
//Threads Count
auto threads = std::thread::hardware_concurrency();
//Initialize ThorVG Engine
if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {
elm_init(argc, argv);
if (tvgEngine == tvg::CanvasEngine::Sw) {
createSwView();
} else {
createGlView();
}
elm_run();
elm_shutdown();
//Terminate ThorVG Engine
tvg::Initializer::term(tvgEngine);
} else {
cout << "engine is not supported" << endl;
}
return 0;
}