Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Added SetOption,GetOption[Int] to wxSystemSettings. Made native MaskBlt optional.

Browse Source 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10563 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
2001-06-14 10:06:47 +00:00
parent d0af5538d6
commit d3211838bf
3 changed files with 82 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
src/msw/dc.cpp
View File

@@ -781,16 +781,23 @@ void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask
if ( useMask )
{
#ifdef __WIN32__
HDC hdcMem = ::CreateCompatibleDC(GetHdc());
::SelectObject(hdcMem, GetHbitmapOf(bmp));
// use MaskBlt() with ROP which doesn't do anything to dst in the mask
// points
bool ok = ::MaskBlt(GetHdc(), x, y, width, height,
// On some systems, MaskBlt succeeds yet is much much slower
// than the wxWindows fall-back implementation. So we need
// to be able to switch this on and off at runtime.
bool ok = FALSE;
if (wxSystemSettings::GetOptionInt(wxT("no-maskblt")) == 0)
{
HDC hdcMem = ::CreateCompatibleDC(GetHdc());
::SelectObject(hdcMem, GetHbitmapOf(bmp));
ok = ::MaskBlt(GetHdc(), x, y, width, height,
hdcMem, 0, 0,
hbmpMask, 0, 0,
MAKEROP4(SRCCOPY, DSTCOPY)) != 0;
::DeleteDC(hdcMem);
::DeleteDC(hdcMem);
}
if ( !ok )
#endif // Win32
@@ -1471,7 +1478,7 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
return FALSE;
}
bool success;
bool success = FALSE;
if (useMask)
{
@@ -1480,10 +1487,17 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
// transparent, so use "DSTCOPY" ROP for the mask points (the usual
// meaning of fg and bg is inverted which corresponds to wxWin notion
// of the mask which is also contrary to the Windows one)
success = ::MaskBlt(GetHdc(), xdest, ydest, width, height,
// On some systems, MaskBlt succeeds yet is much much slower
// than the wxWindows fall-back implementation. So we need
// to be able to switch this on and off at runtime.
if (wxSystemSettings::GetOptionInt(wxT("no-maskblt")) == 0)
{
success = ::MaskBlt(GetHdc(), xdest, ydest, width, height,
GetHdcOf(*source), xsrc, ysrc,
(HBITMAP)mask->GetMaskBitmap(), xsrc, ysrc,
MAKEROP4(dwRop, DSTCOPY)) != 0;
}
if ( !success )
#endif // Win32