小编Vla*_*nko的帖子

我有以下 Nim+official libsdl2包装器代码

import sdl2

discard sdl2.init(INIT_EVERYTHING)

let
  window = createWindow("Tic-Tac-Toe", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 600, 390, SDL_WINDOW_SHOWN)
  renderer = createRenderer(window, -1, Renderer_Accelerated or Renderer_PresentVsync or Renderer_TargetTexture)

proc loadImage(file: string): TexturePtr =
  let loadedImage = loadBMP(file)
  let texture = createTextureFromSurface(renderer, loadedImage)
  freeSurface(loadedImage)
  return texture

proc applySurface(x: cint, y: cint, tex: TexturePtr, rend: RendererPtr) =
  var pos: Rect
  pos.x = x
  pos.y = y
  queryTexture(tex, nil, nil, pos.w, pos.h)
  copy(rend, tex, nil, pos)

let
  background = loadImage("resources/bg.bmp")

clear(renderer)
applySurface(0, 0, background, …