git_clone/thorvg
1
0
Fork 0
mirror of https://github.com/thorvg/thorvg.git synced 2025-06-08 13:43:43 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

example: synchronize the canvas before the window pops up.

Browse source 
This ensures that the window pops up with the appropriate content,
since windows can be popped up asynchronously with mainloop.
This commit is contained in:
Hermet Park 2024-06-25 21:36:47 +09:00 • committed by Mira Grudzinska
parent 7145c66b00
commit 4c57a64a82
1 changed files with 28 additions and 33 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

61
examples/Example.h
View file

@ -188,6 +188,17 @@ struct Window
return false; return false;
} }
bool ready()
{
if (!example->content(Window::canvas, width, height)) return false;
//initiate the first rendering before window pop-up.
if (!verify(canvas->draw())) return false;
if (!verify(canvas->sync())) return false;
return true;
}
void show() void show()
{ {
SDL_ShowWindow(window); SDL_ShowWindow(window);
@ -250,7 +261,6 @@ struct Window
} }
} }
virtual bool ready() { return false; }
virtual void resize() {} virtual void resize() {}
virtual void refresh() {} virtual void refresh() {}
}; };
@ -269,22 +279,17 @@ struct SwWindow : Window
SwWindow(Example* example, uint32_t width, uint32_t height) : Window(tvg::CanvasEngine::Sw, example, width, height) SwWindow(Example* example, uint32_t width, uint32_t height) : Window(tvg::CanvasEngine::Sw, example, width, height)
{ {
window = SDL_CreateWindow("ThorVG Example (Software)", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, SDL_WINDOW_HIDDEN | SDL_WINDOW_RESIZABLE); window = SDL_CreateWindow("ThorVG Example (Software)", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, SDL_WINDOW_HIDDEN | SDL_WINDOW_RESIZABLE);
}
bool ready() override
{
//Create a Canvas //Create a Canvas
canvas = tvg::SwCanvas::gen(); canvas = tvg::SwCanvas::gen();
if (!canvas) { if (!canvas) {
cout << "SwCanvas is not supported. Did you enable the SwEngine?" << endl; cout << "SwCanvas is not supported. Did you enable the SwEngine?" << endl;
return false; return;
} }
Window::canvas = canvas.get(); Window::canvas = canvas.get();
resize(); resize();
return example->content(Window::canvas, width, height);
} }
void resize() override void resize() override
@ -325,27 +330,22 @@ struct GlWindow : Window
#endif #endif
window = SDL_CreateWindow("ThorVG Example (OpenGL/ES)", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, SDL_WINDOW_OPENGL | SDL_WINDOW_HIDDEN | SDL_WINDOW_RESIZABLE); window = SDL_CreateWindow("ThorVG Example (OpenGL/ES)", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, SDL_WINDOW_OPENGL | SDL_WINDOW_HIDDEN | SDL_WINDOW_RESIZABLE);
context = SDL_GL_CreateContext(window); context = SDL_GL_CreateContext(window);
}
virtual ~GlWindow()
{
SDL_GL_DeleteContext(context);
}
bool ready() override
{
//Create a Canvas //Create a Canvas
canvas = tvg::GlCanvas::gen(); canvas = tvg::GlCanvas::gen();
if (!canvas) { if (!canvas) {
cout << "GlCanvas is not supported. Did you enable the GlEngine?" << endl; cout << "GlCanvas is not supported. Did you enable the GlEngine?" << endl;
return false; return;
} }
Window::canvas = canvas.get(); Window::canvas = canvas.get();
resize(); resize();
}
return example->content(Window::canvas, width, height); virtual ~GlWindow()
{
SDL_GL_DeleteContext(context);
} }
void resize() override void resize() override
@ -419,6 +419,17 @@ struct WgWindow : Window
surfaceDesc.nextInChain = (const WGPUChainedStruct*)&surfaceNativeDesc; surfaceDesc.nextInChain = (const WGPUChainedStruct*)&surfaceNativeDesc;
surfaceDesc.label = "The surface"; surfaceDesc.label = "The surface";
surface = wgpuInstanceCreateSurface(instance, &surfaceDesc); surface = wgpuInstanceCreateSurface(instance, &surfaceDesc);
//Create a Canvas
canvas = tvg::WgCanvas::gen();
if (!canvas) {
cout << "WgCanvas is not supported. Did you enable the WgEngine?" << endl;
return;
}
Window::canvas = canvas.get();
resize();
} }
virtual ~WgWindow() virtual ~WgWindow()
@ -427,22 +438,6 @@ struct WgWindow : Window
wgpuInstanceRelease(instance); wgpuInstanceRelease(instance);
} }
bool ready() override
{
//Create a Canvas
canvas = tvg::WgCanvas::gen();
if (!canvas) {
cout << "WgCanvas is not supported. Did you enable the WgEngine?" << endl;
return false;
}
Window::canvas = canvas.get();
resize();
return example->content(Window::canvas, width, height);
}
void resize() override void resize() override
{ {
//Set the canvas target and draw on it. //Set the canvas target and draw on it.