HCURSOR CUIIconsManager::CreateAsWinCursor(LPCTSTR szIconName)
{
try{
//-------------------------------------------------------
//CEGUI Image
const CEGUI::Image* pIconImage = GetIcon(szIconName);
if(!pIconImage) return NULL;
//-------------------------------------------------------
//CEGUI ImageSet
CEGUI::Imageset* pImageset = CEGUI::ImagesetManager::getSingleton().getImageset(pIconImage->getImagesetName());
if(!pImageset) return NULL;
//-------------------------------------------------------
//CEGUI Ogre Texture
CEGUI::OgreCEGUITexture* pCEGUIOgreTexture = (CEGUI::OgreCEGUITexture*)(pImageset->getTexture());
if(!pCEGUIOgreTexture) return NULL;
//-------------------------------------------------------
//Ogre Texture
Ogre::Texture* pOgreTexture = pCEGUIOgreTexture->getOgreTexture().get();
if(!pOgreTexture) return NULL;
//-------------------------------------------------------
//Ogre HardwarePixelBuffer
Ogre::HardwarePixelBuffer* pOgreHardPixBuf = pOgreTexture->getBuffer().get();
if(!pOgreHardPixBuf) return NULL;
//-------------------------------------------------------
//Blt to Ogre PixelBox
const static INT s_CursorWidth = 32;
const static INT s_CursorHeight = 32;
CEGUI::Rect rectAtImage = pIconImage->getSourceTextureArea();
const Ogre::PixelBox thePixBox(s_CursorWidth, s_CursorHeight, 1, Ogre::PF_R8G8B8A8, new char[s_CursorWidth*s_CursorHeight*Ogre::PixelUtil::getNumElemBytes(Ogre::PF_R8G8B8A8)]);
pOgreHardPixBuf->blitToMemory(
Ogre::Image::Box((INT)rectAtImage.d_left, (INT)rectAtImage.d_top, (INT)rectAtImage.d_right, (INT)rectAtImage.d_bottom), thePixBox);
//-------------------------------------------------------
//Create Windows Bitmap as XOR Mask
HDC hMainDC = ::GetDC(NULL);
HDC hXorMaskDC = ::CreateCompatibleDC(hMainDC);
HBITMAP hXorMask = ::CreateCompatibleBitmap(hMainDC, s_CursorWidth, s_CursorHeight);
::SelectObject(hXorMaskDC, hXorMask);
//-------------------------------------------------------
//Get per Pixel Color to XOR Mask
for(register INT x=0; x<s_CursorWidth; x++)
{
for(register INT y=0; y<s_CursorHeight; y++)
{
Ogre::ColourValue col;
VOID* pColData = (thePixBox.rowPitch*y + x)* Ogre::PixelUtil::getNumElemBytes(thePixBox.format) +
(unsigned char*)thePixBox.data;
Ogre::PixelUtil::unpackColour( &col, thePixBox.format, pColData);
::SetPixel(hXorMaskDC, x, y, RGB(col.r*255, col.g*255, col.b*255));
}
}
delete[] thePixBox.data;
::DeleteDC(hXorMaskDC); hXorMaskDC = NULL;
//-------------------------------------------------------
//Create AND Mask
HDC hAndMaskDC = ::CreateCompatibleDC(hMainDC);
HBITMAP hAndMask = ::CreateCompatibleBitmap(hMainDC, s_CursorWidth, s_CursorHeight);
::SelectObject(hAndMaskDC, hAndMask);
RECT rect;
::SetRect(&rect, 0, 0, s_CursorWidth, s_CursorHeight);
::FillRect(hAndMaskDC, &rect, (HBRUSH)::GetStockObject(BLACK_BRUSH));
::DeleteDC(hAndMaskDC); hAndMaskDC = NULL;
//-------------------------------------------------------
//Create Crusor
ICONINFO iconinfo = {0};
iconinfo.fIcon = FALSE;
iconinfo.xHotspot = 0;
iconinfo.yHotspot = 0;
iconinfo.hbmMask = hAndMask;
iconinfo.hbmColor = hXorMask;
HCURSOR hRetCursor = ::CreateIconIndirect(&iconinfo);
//-------------------------------------------------------
//Release
::DeleteObject(hAndMask);
::DeleteObject(hXorMask);
::ReleaseDC(NULL,hMainDC);
return hRetCursor;
}catch(...)
{
return 0;
}
}
