static INT_PTR ServiceCreateMergedFlagIcon(WPARAM wParam, LPARAM lParam)
{
HICON hIcon = nullptr;
/* load both icons */
HICON hLowerIcon = (HICON)ServiceLoadFlagIcon((WPARAM)lParam, 0);
if (hLowerIcon == nullptr)
return 0;
HICON hUpperIcon = (HICON)ServiceLoadFlagIcon(wParam, 0);
/* merge them */
ICONINFO icoi;
if (GetIconInfo(hLowerIcon, &icoi)) {
BITMAP bm;
if (hUpperIcon != nullptr && GetObject(icoi.hbmColor, sizeof(bm), &bm)) {
HDC hdc = CreateCompatibleDC(nullptr);
if (hdc != nullptr) {
POINT aptTriangle[3] = { 0 };
aptTriangle[1].y = bm.bmHeight - 1;
aptTriangle[2].x = bm.bmWidth - 1;
HRGN hrgn = CreatePolygonRgn(aptTriangle, _countof(aptTriangle), WINDING);
if (hrgn != nullptr) {
SelectClipRgn(hdc, hrgn);
DeleteObject(hrgn);
HBITMAP hbmPrev = (HBITMAP)SelectObject(hdc, icoi.hbmColor);
if (hbmPrev != nullptr) { /* error on select? */
if (DrawIconEx(hdc, 0, 0, hUpperIcon, bm.bmWidth, bm.bmHeight, 0, nullptr, DI_NOMIRROR | DI_IMAGE))
if (SelectObject(hdc, icoi.hbmMask) != nullptr) /* error on select? */
DrawIconEx(hdc, 0, 0, hUpperIcon, bm.bmWidth, bm.bmHeight, 0, nullptr, DI_NOMIRROR | DI_MASK);
SelectObject(hdc, hbmPrev);
}
}
DeleteDC(hdc);
}
}
/* create icon */
hIcon = CreateIconIndirect(&icoi);
DeleteObject(icoi.hbmColor);
DeleteObject(icoi.hbmMask);
}
return (INT_PTR)hIcon;
}
static INT_PTR ServiceCreateMergedFlagIcon(WPARAM wParam,LPARAM lParam)
{
//TODO: use freeimage to create merget icon and add RGB(A) support
ICONINFO icoi;
BITMAP bm;
HICON hIcon=NULL;
/* load both icons */
HICON hLowerIcon=(HICON)ServiceLoadFlagIcon((WPARAM)lParam,0);
if (hLowerIcon == NULL) return NULL;
HICON hUpperIcon=(HICON)ServiceLoadFlagIcon(wParam,0);
/* merge them */
if (GetIconInfo(hLowerIcon,&icoi)) {
if (hUpperIcon!=NULL && GetObject(icoi.hbmColor,sizeof(bm),&bm)) {
HDC hdc=CreateCompatibleDC(NULL);
if (hdc!=NULL) {
POINT aptTriangle[3];
memset(&aptTriangle, 0, sizeof(aptTriangle));
aptTriangle[1].y=bm.bmHeight-1;
aptTriangle[2].x=bm.bmWidth-1;
HRGN hrgn=CreatePolygonRgn(aptTriangle,_countof(aptTriangle),WINDING);
if (hrgn!=NULL) {
SelectClipRgn(hdc,hrgn);
HBITMAP hbmPrev=(HBITMAP)SelectObject(hdc,icoi.hbmColor);
if (hbmPrev!=NULL) { /* error on select? */
if (DrawIconEx(hdc,0,0,hUpperIcon,bm.bmWidth,bm.bmHeight,0,NULL,DI_NOMIRROR|DI_IMAGE)) {
if (SelectObject(hdc,icoi.hbmMask)!=NULL) /* error on select? */
DrawIconEx(hdc,0,0,hUpperIcon,bm.bmWidth,bm.bmHeight,0,NULL,DI_NOMIRROR|DI_MASK);
}
SelectObject(hdc,hbmPrev);
}
DeleteObject(hrgn);
}
DeleteDC(hdc);
}
}
/* create icon */
hIcon=CreateIconIndirect(&icoi);
DeleteObject(icoi.hbmColor);
DeleteObject(icoi.hbmMask);
}
return (INT_PTR)hIcon;
}
