Golang SDL_GetSurfaceAlphaMod示例

示例#1

文件： surface.go 项目： emlai/go-sdl2

// Surface (https://wiki.libsdl.org/SDL_GetSurfaceAlphaMod)
func (surface *Surface) GetAlphaMod() (alpha uint8, err error) {
	_alpha := (*C.Uint8)(unsafe.Pointer(&alpha))
	if C.SDL_GetSurfaceAlphaMod(surface.cptr(), _alpha) != 0 {
		return alpha, GetError()
	}
	return alpha, nil
}

示例#2

文件： surface.go 项目： willemvds/sdl

func (s *Surface) GetAlphaMod() (uint8, error) {
	var a C.Uint8
	if C.SDL_GetSurfaceAlphaMod(s.c(), &a) != 0 {
		return 0, getError()
	}

	return uint8(a), nil
}

示例#3

文件： surface.go 项目： JalfResi/go-sdl2

func (surface *Surface) GetAlphaMod() (alpha uint8, status int) {
	_alpha := (*C.Uint8)(unsafe.Pointer(&alpha))
	status = int(C.SDL_GetSurfaceAlphaMod(surface.cptr(), _alpha))
	return alpha, status
}

示例#4

文件： sdl_surface.go 项目： kyleconroy/golds

func (surface *Surface) GetAlphaMod(alpha *uint8) int {
	_surface := (*C.SDL_Surface)(unsafe.Pointer(surface))
	_alpha := (*C.Uint8)(unsafe.Pointer(alpha))
	return (int)(C.SDL_GetSurfaceAlphaMod(_surface, _alpha))
}

示例#5

文件： sdl_surface.go 项目： TomMurray/go-sdl2

func (surface *Surface) GetAlphaMod() (alpha uint8, status int) {
	_surface := (*C.SDL_Surface)(unsafe.Pointer(surface))
	_alpha := (*C.Uint8)(unsafe.Pointer(&alpha))
	status = (int)(C.SDL_GetSurfaceAlphaMod(_surface, _alpha))
	return alpha, status
}