void DlgDataExt::UpdatePreview()
{
if (m_image){
CxImage tmp;
tmp.Copy(*m_image,true,false,false);
if (m_chk_preview.GetCheck()){
UpdateData(1);
if (m_btn_graylevel.GetCheck()){
tmp.Threshold(m_thresh);
} else {
tmp.SelectionAddColor(tmp.RGBtoRGBQUAD(m_color));
tmp.SelectionSplit(&tmp);
tmp.Negative();
}
}
tmp.IncreaseBpp(24);
tmp.Resample(150,90,0);
if (m_bitmap) DeleteObject(m_bitmap);
m_bitmap = tmp.MakeBitmap(m_picture.GetDC()->m_hDC);
m_picture.SetBitmap(m_bitmap);
}
}
void CxImage::CreateFromHICON(HICON hico)
{
Destroy();
if (hico) {
ICONINFO iinfo;
GetIconInfo(hico,&iinfo);
CreateFromHBITMAP(iinfo.hbmColor);
#if CXIMAGE_SUPPORT_ALPHA
CxImage mask;
mask.CreateFromHBITMAP(iinfo.hbmMask);
mask.GrayScale();
mask.Negative();
AlphaSet(mask);
#endif
}
}