Files
Nim/tests/niminaction/Chapter8/sdl/sdl.nim
2021-03-07 12:08:41 +01:00

39 lines
1.2 KiB
Nim

when defined(windows):
const libName* = "SDL2.dll"
elif defined(linux) or defined(freebsd) or defined(netbsd):
const libName* = "libSDL2.so"
elif defined(macosx):
const libName* = "libSDL2.dylib"
elif defined(openbsd):
const libName* = "libSDL2.so.0.6"
else:
{.error: "SDL library name not set for this platform".}
type
SdlWindow = object
SdlWindowPtr* = ptr SdlWindow
SdlRenderer = object
SdlRendererPtr* = ptr SdlRenderer
const INIT_VIDEO* = 0x00000020
{.push dynlib: libName.}
proc init*(flags: uint32): cint {.importc: "SDL_Init".}
proc createWindowAndRenderer*(width, height: cint, window_flags: cuint,
window: var SdlWindowPtr, renderer: var SdlRendererPtr): cint
{.importc: "SDL_CreateWindowAndRenderer".}
proc pollEvent*(event: pointer): cint {.importc: "SDL_PollEvent".}
proc setDrawColor*(renderer: SdlRendererPtr, r, g, b, a: uint8): cint
{.importc: "SDL_SetRenderDrawColor", discardable.}
proc present*(renderer: SdlRendererPtr) {.importc: "SDL_RenderPresent".}
proc clear*(renderer: SdlRendererPtr) {.importc: "SDL_RenderClear".}
proc drawLines*(renderer: SdlRendererPtr, points: ptr tuple[x, y: cint],
count: cint): cint {.importc: "SDL_RenderDrawLines", discardable.}
{.pop.}