// Replaces a bitmap, optionally passing a mask bitmap.
// Note that wxImageList creates new bitmaps, so you may delete
// 'bitmap' and 'mask'.
bool wxImageList::Replace(int index,
const wxBitmap& bitmap,
const wxBitmap& mask)
{
HBITMAP hbmp;
#if wxUSE_WXDIB && wxUSE_IMAGE
// See the comment in Add() above.
AutoHBITMAP hbmpRelease;
if ( bitmap.HasAlpha() )
{
hbmp = wxDIB(bitmap.ConvertToImage(),
wxDIB::PixelFormat_NotPreMultiplied).Detach();
hbmpRelease.Init(hbmp);
}
else
#endif // wxUSE_WXDIB && wxUSE_IMAGE
hbmp = GetHbitmapOf(bitmap);
AutoHBITMAP hbmpMask(GetMaskForImage(bitmap, mask));
if ( !ImageList_Replace(GetHImageList(), index, hbmp, hbmpMask) )
{
wxLogLastError(wxT("ImageList_Replace()"));
return false;
}
return true;
}
// Adds a bitmap, and optionally a mask bitmap.
// Note that wxImageList creates new bitmaps, so you may delete
// 'bitmap' and 'mask'.
int wxImageList::Add(const wxBitmap& bitmap, const wxBitmap& mask)
{
HBITMAP hbmp;
#if wxUSE_WXDIB && wxUSE_IMAGE
// wxBitmap normally stores alpha in pre-multiplied format but
// ImageList_Draw() does pre-multiplication internally so we need to undo
// the pre-multiplication here. Converting back and forth like this is, of
// course, very inefficient but it's better than wrong appearance so we do
// this for now until a better way can be found.
AutoHBITMAP hbmpRelease;
if ( bitmap.HasAlpha() )
{
hbmp = wxDIB(bitmap.ConvertToImage(),
wxDIB::PixelFormat_NotPreMultiplied).Detach();
hbmpRelease.Init(hbmp);
}
else
#endif // wxUSE_WXDIB && wxUSE_IMAGE
hbmp = GetHbitmapOf(bitmap);
AutoHBITMAP hbmpMask(GetMaskForImage(bitmap, mask));
int index = ImageList_Add(GetHImageList(), hbmp, hbmpMask);
if ( index == -1 )
{
wxLogError(_("Couldn't add an image to the image list."));
}
return index;
}
void wxMenuItem::DrawStdCheckMark(WXHDC hdc_, const RECT* rc, wxODStatus stat)
{
HDC hdc = (HDC)hdc_;
#if wxUSE_UXTHEME
wxUxThemeEngine* theme = MenuDrawData::GetUxThemeEngine();
if ( theme )
{
wxUxThemeHandle hTheme(GetMenu()->GetWindow(), L"MENU");
const MenuDrawData* data = MenuDrawData::Get();
// rect for background must be without check margins
RECT rcBg = *rc;
data->CheckMargin.UnapplyFrom(rcBg);
POPUPCHECKBACKGROUNDSTATES stateCheckBg = (stat & wxODDisabled)
? MCB_DISABLED
: MCB_NORMAL;
theme->DrawThemeBackground(hTheme, hdc, MENU_POPUPCHECKBACKGROUND,
stateCheckBg, &rcBg, NULL);
POPUPCHECKSTATES stateCheck;
if ( GetKind() == wxITEM_CHECK )
{
stateCheck = (stat & wxODDisabled) ? MC_CHECKMARKDISABLED
: MC_CHECKMARKNORMAL;
}
else
{
stateCheck = (stat & wxODDisabled) ? MC_BULLETDISABLED
: MC_BULLETNORMAL;
}
theme->DrawThemeBackground(hTheme, hdc, MENU_POPUPCHECK,
stateCheck, rc, NULL);
}
else
#endif // wxUSE_UXTHEME
{
int cx = rc->right - rc->left;
int cy = rc->bottom - rc->top;
// first create mask of check mark
MemoryHDC hdcMask(hdc);
MonoBitmap hbmpMask(cx, cy);
SelectInHDC selMask(hdcMask,hbmpMask);
// then draw a check mark into it
UINT stateCheck = (GetKind() == wxITEM_CHECK) ? DFCS_MENUCHECK
: DFCS_MENUBULLET;
RECT rect = { 0, 0, cx, cy };
::DrawFrameControl(hdcMask, &rect, DFC_MENU, stateCheck);
// first draw shadow if disabled
if ( (stat & wxODDisabled) && !(stat & wxODSelected) )
{
DrawColorCheckMark(hdc, rc->left + 1, rc->top + 1,
cx, cy, hdcMask, COLOR_3DHILIGHT);
}
// then draw a check mark
int color = COLOR_MENUTEXT;
if ( stat & wxODDisabled )
color = COLOR_BTNSHADOW;
else if ( stat & wxODSelected )
color = COLOR_HIGHLIGHTTEXT;
DrawColorCheckMark(hdc, rc->left, rc->top, cx, cy, hdcMask, color);
}
}
