SDL学习(二)
本文介绍一个最为简单的使用SDL显示bmp图片的实例:
#include "SDL.h"int main(int argc, char *argv[]){// The imagesSDL_Surface *hello = NULL;SDL_Surface *screen = NULL;// Start SDLSDL_Init(SDL_INIT_EVERYTHING); // 初始化SDL所有的子系统// Set up screenscreen = SDL_SetVideoMode(640, 480, 32, SDL_SWSURFACE); // 宽640,高480,32位每像素,在软件内存区创建screen// Load imagehello = SDL_LoadBMP("F:/program/SDL/examples/Init/Debug/hello.bmp"); // 加载图片,注意设置好正确的图片保存的路径// Apply image to screenSDL_BlitSurface(hello, NULL, screen, NULL); // 将图片传到屏幕上// Update screenSDL_Flip(screen); // 刷新屏幕,否则将看不到图片而呈黑屏情况// PauseSDL_Delay(10000); // 延时10秒// Free the loaded imageSDL_FreeSurface(hello); // 释放掉hello的内存,screen在SDL_Quit函数中会释放,故无须单独释放// Quit SDLSDL_Quit();return 0;}