我正在尝试在SDL 2.0中绘制一个矩形轮廓,以便用作选择框。有谁知道如何在SDL 2.0中制作一个?
答案 0 :(得分:5)
您正在寻找SDL_RenderDrawRect:
int SDL_RenderDrawRect(SDL_Renderer* renderer,
const SDL_Rect* rect);
典型用法是:
SDL_Rect rectToDraw = {100,100,100,100} // Just some random rect
//Set Color of Rect with SDL_SetRenderDrawColor if needed
SDL_RenderDrawRect(renderer, &rectToDraw);
要绘制一个填充的矩形,它将与SDL_RenderFillRect
一起绘制