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<<Include(SDL_RenderClear, , , from="== Code Examples ==", to="== Remarks ==")>> |
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| == Related Functions == |
SDL_RenderPresent
Use this function to update the screen with rendering performed.
Contents
Syntax
void SDL_RenderPresent(void)
Code Examples
#include "SDL.h"
int main(int argc, char* argv[])
{
SDL_Window* window;
SDL_Renderer* renderer;
/* Initialize SDL. */
if (SDL_Init(SDL_INIT_VIDEO) < 0)
return 1;
/* Create the window where we will draw. */
window = SDL_CreateWindow("SDL_RenderClear",
SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
512, 512,
0);
/* We must call SDL_CreateRenderer in order for draw calls to affect this window. */
renderer = SDL_CreateRenderer(window, -1, 0);
/* Select the color for drawing. It is set to red here. */
SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
/* Clear the entire screen to our selected color. */
SDL_RenderClear(renderer);
/* Up until now everything was drawn behind the scenes.
This will show the new, red contents of the window. */
SDL_RenderPresent(renderer);
/* Give us time to see the window. */
SDL_Delay(5000);
/* Always be sure to clean up */
SDL_Quit();
return 0;
}
Remarks
You can add useful comments here
