mirror of
https://github.com/libSDL2pp/libSDL2pp.git
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105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
/*
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libSDL2pp - C++11 bindings/wrapper for SDL2
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Copyright (C) 2013-2014 Dmitry Marakasov <amdmi3@amdmi3.ru>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include <iostream>
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#include <SDL2/SDL.h>
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#include <SDL2pp/SDL.hh>
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#include <SDL2pp/Window.hh>
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#include <SDL2pp/Renderer.hh>
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#include <SDL2pp/Exception.hh>
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using namespace SDL2pp;
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int Run() {
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SDL sdl(SDL_INIT_VIDEO);
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Window window("libSDL2pp demo: sprites", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480, SDL_WINDOW_RESIZABLE);
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Renderer render(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE);
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render.SetDrawBlendMode(SDL_BLENDMODE_BLEND);
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while (1) {
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// Process input
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SDL_Event event;
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while (SDL_PollEvent(&event))
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if (event.type == SDL_QUIT || (event.type == SDL_KEYDOWN && (event.key.keysym.sym == SDLK_ESCAPE || event.key.keysym.sym == SDLK_q)))
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return 0;
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// Clear screen
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render.SetDrawColor(0, 32, 32);
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render.Clear();
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// Render lines
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render.SetDrawColor(255, 0, 0);
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render.DrawLine(10, 10, 630, 10);
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render.SetDrawColor(0, 255, 0);
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render.DrawLine(630, 10, 630, 470);
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render.SetDrawColor(0, 0, 255);
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render.DrawLine(630, 470, 10, 470);
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render.SetDrawColor(255, 255, 255);
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render.DrawLine(10, 470, 10, 10);
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render.SetDrawColor(255, 255, 255, 127);
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render.FillRect(0, 0, 20, 20);
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render.SetDrawColor(255, 255, 255);
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render.DrawRect(0, 0, 20, 20);
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// Pixel-perfectness test
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render.SetDrawColor(192, 192, 192);
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render.DrawLine(6, 2, 6, 10);
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render.DrawLine(2, 6, 10, 6);
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render.SetDrawColor(255, 255, 255);
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render.DrawRect(5, 5, 7, 7);
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render.DrawRect(3, 3, 9, 9);
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// Rect corner test
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// This may show diagonal lines:
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// - bright ones indicate that pixels are overdrawn
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// - dark ones indicate that some corner pixels are missing
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// Unfortunately, on most implementations some of
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// these problems exist
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render.SetDrawColor(255, 255, 255, 32);
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for (int i = 0; i < 50; i++)
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render.DrawRect(100+i, 100+i, 200-i, 200-i);
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render.Present();
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// Frame limiter
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SDL_Delay(1);
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}
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return 0;
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}
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int main() {
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try {
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return Run();
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} catch (Exception& e) {
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std::cerr << "Error: " << e.what() << " (" << e.GetSDLError() << ")" << std::endl;
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} catch (std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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return -1;
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}
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