SDL_CreateTexture参数少,使用方便,适用于创建简单的纹理 SDL_CreateTextureFromSurface 适用于从已有图像数据创建纹理 SDL_CreateTextureWithProperties可以指定各种属性,功能强大,用起来也比较复杂,适用于另外两个 API 无法满足需求的情况 实际上前两个 API 内部都是通过调用SDL_CreateTextureWithProperties实现纹理创建的。...
有三个 API 可以用来创建纹理: -SDL_CreateTexture参数少,使用方便,适用于创建简单的纹理 -SDL_CreateTextureFromSurface适用于从已有图像数据创建纹理 -SDL_CreateTextureWithProperties可以指定各种属性,功能强大,用起来也比较复杂,适用于另外两个 API 无法满足需求的情况 实际上前两个 API 内部都是通过调用SDL_CreateT...
texture = SDL_CreateTextureFromSurface(renderer, bmp_surface);if (texture == 0) {fatalError("could not create texture");}// SDL_SetColorKey(bmp_surface, 1,// SDL_MapRGB(bmp_surface->format, 0, 0, 255));SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);// /* free up allocated ...
SDL_image Error: %s\n",path.c_str(),IMG_GetError());}else{//用表面像素创建纹理newTexture=SDL_CreateTextureFromSurface(gRenderer,loadedSurface);if(newTexture==NULL)
SDL_Texture* texture = SDL_CreateTextureFromSurface(renderer, surface); SDL_FreeSurface(surface); if(texture ==NULL) { fprintf(stderr,"Texture creation failed: %s\n", SDL_GetError()); SDL_DestroyRenderer(renderer); SDL_DestroyWindow(window); ...
SDL_Texture *tex2 = NULL;//在SDL2.0中得把Surface表面传递给Texture来实现硬件加速,再把图形显示在屏幕上sur1 = SDL_CreateRGBSurface(0, W, H, 32, 0, 0, 0, 0); //用于画一个矩形来刷屏SDL_FillRect(sur1, NULL, 0xffacca);//在sur1上画一个矩形tex1 = SDL_CreateTextureFromSurface(ren, ...
CENTERED,720,1280,SDL_WINDOW_SHOWN);SDL_Renderer*renderer=SDL_CreateRenderer(window,-1,SDL_RENDERER_ACCELERATED);SDL_RenderClear(renderer);SDL_Surface*surface=IMG_Load("./resource/image.png");SDL_Rectbox={0,0,surface->w*2,surface->h*2};SDL_Texture*texture=SDL_CreateTextureFromSurface(...
this code occurs memory leak when I remove line with SDL_CreateTextureFromSurface leak stops exist #include <SDL3/SDL.h> #include <SDL3_ttf/SDL_ttf.h> int main() { SDL_Init(SDL_INIT_VIDEO); TTF_Init(); SDL_Window* window = SDL_CreateWind...
今天试写了个sdl的简单程序,其中用了个CreateTextureFromSurface(),可是Texture死活创建不了,其实就是一个非常小、非常简单的程序,实在看不出有啥错。我先简单描述下这个小程序的套路,首先声明窗口、渲染器、表面、贴图的几个空指针,然后创建窗口、渲染器,再用IMG_Load建了个表面,经程序反馈信息,这个表面是创建成功...
WINDOWPOS_CENTERED,720,1280,SDL_WINDOW_SHOWN);SDL_Renderer*renderer=SDL_CreateRenderer(window,-1,SDL_RENDERER_ACCELERATED);SDL_RenderClear(renderer);SDL_Surface*surface=IMG_Load("./resource/circle.png");SDL_Rectbox={150,400,surface->w,surface->h};SDL_Texture*texture=SDL_CreateTextureFromSurface...