func NewBitmapFromResource(instance w32.HINSTANCE, resName *uint16, resType *uint16, background Color) (*Bitmap, error) {
var gpBitmap *uintptr
var err error
var hRes w32.HRSRC
hRes, err = w32.FindResource(w32.HMODULE(instance), resName, resType)
if err != nil {
return nil, err
}
resSize := w32.SizeofResource(w32.HMODULE(instance), hRes)
pResData := w32.LockResource(w32.LoadResource(w32.HMODULE(instance), hRes))
resBuffer := w32.GlobalAlloc(w32.GMEM_MOVEABLE, resSize)
pResBuffer := w32.GlobalLock(resBuffer)
w32.MoveMemory(pResBuffer, pResData, resSize)
stream := w32.CreateStreamOnHGlobal(resBuffer, false)
gpBitmap, err = w32.GdipCreateBitmapFromStream(stream)
if err != nil {
return nil, err
}
defer stream.Release()
defer w32.GlobalUnlock(resBuffer)
defer w32.GlobalFree(resBuffer)
defer w32.GdipDisposeImage(gpBitmap)
var hbitmap w32.HBITMAP
// Reverse gform.RGB to BGR to satisfy gdiplus color schema.
hbitmap, err = w32.GdipCreateHBITMAPFromBitmap(gpBitmap, uint32(RGB(background.B(), background.G(), background.R())))
if err != nil {
return nil, err
}
return assembleBitmapFromHBITMAP(hbitmap)
}
func SetClipboardText(text string) {
if !w32.OpenClipboard(w32.HWND(0)) {
return
}
defer w32.CloseClipboard()
w32.EmptyClipboard()
tuftlen := uint32(len(text)*2 + 1)
cptrglob := w32.GlobalAlloc(w32.GMEM_MOVEABLE, tuftlen)
cptr := unsafe.Pointer(w32.GlobalLock(cptrglob))
tptr := unsafe.Pointer(syscall.StringToUTF16Ptr(text))
w32.MoveMemory(cptr, tptr, tuftlen)
w32.GlobalUnlock(cptrglob)
w32.SetClipboardData(w32.CF_UNICODETEXT, w32.HANDLE(cptrglob))
}