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Qt: fix null clip region disaster under coregraphics and quickdraw paintengines (macosx)

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git-svn-id: trunk@34201 -
This commit is contained in:
zeljko 2011-12-15 09:03:36 +00:00
parent c89a9595eb
commit b7aae45a58
1 changed files with 5 additions and 4 deletions
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9
lcl/interfaces/qt/qtobjects.pas
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@ -3316,10 +3316,11 @@ end;
procedure TQtDeviceContext.setClipRegion(ARegion: QRegionH;
AOperation: QtClipOperation = QtReplaceClip);
begin
{with QPaintEngine11 QtNoClip & empty region makes disaster}
if (AOperation = QtNoClip) and QRegion_isEmpty(ARegion)
and (QPaintEngine_type(PaintEngine) = QPaintEngineX11) then
setClipping(False)
{X11 and mac does not like QtNoClip & empty region.It makes disaster}
if (AOperation = QtNoClip) and QRegion_isEmpty(ARegion) and
(QPaintEngine_type(PaintEngine) in [QPaintEngineX11,QPaintEngineQuickDraw,
QPaintEngineCoreGraphics,QPaintEngineMacPrinter]) then
setClipping(False)
else
QPainter_SetClipRegion(Widget, ARegion, AOperation);
end;