func CreateRGBSurfaceFrom(pixels unsafe.Pointer, width, height, depth, pitch int, Rmask, Gmask, Bmask, Amask uint32) *Surface {
return (*Surface)(unsafe.Pointer(C.SDL_CreateRGBSurfaceFrom(pixels,
C.int(width),
C.int(height),
C.int(depth),
C.int(pitch),
C.Uint32(Rmask),
C.Uint32(Gmask),
C.Uint32(Bmask),
C.Uint32(Amask))))
}
// Creates a Surface from existing pixel data. It expects pix to be a slice, array, or pointer.
func CreateRGBSurfaceFrom(pix interface{}, w, h, d, p int, rm, gm, bm, am uint32) *Surface {
var ptr unsafe.Pointer
switch v := reflect.ValueOf(pix); v.Kind() {
case reflect.Ptr, reflect.UnsafePointer, reflect.Slice:
ptr = unsafe.Pointer(v.Pointer())
default:
panic("Don't know how to handle type: " + v.Kind().String())
}
s := C.SDL_CreateRGBSurfaceFrom(ptr, C.int(w), C.int(h), C.int(d), C.int(p), C.Uint32(rm), C.Uint32(gm), C.Uint32(bm), C.Uint32(am))
return (*Surface)(cast(s))
}
func CreateRGBSurfaceFrom(pixels unsafe.Pointer, width, height, depth, pitch int32,
Rmask, Gmask, Bmask, Amask uint32) *Surface {
_width := (C.int)(width)
_height := (C.int)(height)
_depth := (C.int)(depth)
_pitch := (C.int)(pitch)
_Rmask := (C.Uint32)(Rmask)
_Gmask := (C.Uint32)(Gmask)
_Bmask := (C.Uint32)(Bmask)
_Amask := (C.Uint32)(Amask)
return (*Surface)(unsafe.Pointer(C.SDL_CreateRGBSurfaceFrom(pixels, _width, _height,
_depth, _pitch, _Rmask, _Gmask, _Bmask, _Amask)))
}
// Creates a Surface from existing pixel data. It expects pixels to be a slice, pointer or unsafe.Pointer.
func CreateRGBSurfaceFrom(pixels interface{}, width, height, bpp, pitch int, Rmask, Gmask, Bmask, Amask uint32) *Surface {
var ptr unsafe.Pointer
switch v := reflect.ValueOf(pixels); v.Kind() {
case reflect.Ptr, reflect.UnsafePointer, reflect.Slice:
ptr = unsafe.Pointer(v.Pointer())
default:
panic("Don't know how to handle type: " + v.Kind().String())
}
p := C.SDL_CreateRGBSurfaceFrom(ptr, C.int(width), C.int(height), C.int(bpp), C.int(pitch),
C.Uint32(Rmask), C.Uint32(Gmask), C.Uint32(Bmask), C.Uint32(Amask))
s := wrapSurface(p)
s.gcPixels = pixels
return s
}
// CreateRGBSurfaceFrom (https://wiki.libsdl.org/SDL_CreateRGBSurfaceFrom)
func CreateRGBSurfaceFrom(pixels unsafe.Pointer, width, height, depth, pitch int, Rmask, Gmask, Bmask, Amask uint32) (*Surface, error) {
surface := (*Surface)(unsafe.Pointer(C.SDL_CreateRGBSurfaceFrom(
pixels,
C.int(width),
C.int(height),
C.int(depth),
C.int(pitch),
C.Uint32(Rmask),
C.Uint32(Gmask),
C.Uint32(Bmask),
C.Uint32(Amask))))
if surface == nil {
return nil, GetError()
}
return surface, nil
}
func CreateRGBSurfaceFrom(pix uintptr, w, h, d, p int, rm, gm, bm, am uint32) (*Surface, error) {
s := C.SDL_CreateRGBSurfaceFrom(
unsafe.Pointer(pix),
C.int(w),
C.int(h),
C.int(d),
C.int(p),
C.Uint32(rm),
C.Uint32(gm),
C.Uint32(bm),
C.Uint32(am),
)
if s == nil {
return nil, getError()
}
return (*Surface)(unsafe.Pointer(s)), nil
}