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lazVirtualTreeView Qt: implemented AlphaBlend selection for 64bit

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git-svn-id: trunk@63055 -
This commit is contained in:
zeljko 2020-04-24 10:58:37 +00:00
parent 52ffe2120d
commit 2e6e76f73a
2 changed files with 26 additions and 2 deletions
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24
components/virtualtreeview/include/intf/qt/laz.vtgraphicsi.inc
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@ -758,6 +758,13 @@ var
SourceHeight, SourceHeight,
DestWidth, DestWidth,
DestHeight: Integer; DestHeight: Integer;
{$ifdef CPU64}
ATransform: QTransformH;
DX, DY: QReal;
AColor: QColorH;
ADst: TQtDeviceContext absolute Destination;
AFillColor: TQColor;
{$endif}
//BlendColor: TQColor; //BlendColor: TQColor;
begin begin
@ -838,6 +845,22 @@ begin
} }
// Source is ignored since there is a constant color value. // Source is ignored since there is a constant color value.
{$IFDEF CPU64}
if ADst <> nil then
begin
ATransform := QPainter_transform(ADst.Widget);
DX := QTransform_dx(ATransform);
DY := QTransform_dy(ATransform);
ADst.translate(-DX, -DY);
AColor := QColor_create((Bias and $000000FF), ((Bias shr 8) and $000000FF), ((Bias shr 16) and $000000FF), ConstantAlpha);
QColor_convertTo(AColor, @AFillColor, QColorRgb);
QPainter_fillRect(ADst.Widget, R.Left + Target.x, R.Top + Target.y,
R.Right - R.Left, R.Bottom - R.Top, PQColor(@AFillColor));
ADst.translate(DX, DY);
QColor_destroy(AColor);
end;
{$ELSE}
DestBits := GetBitmapBitsFromDeviceContext(Destination, DestWidth, DestHeight); DestBits := GetBitmapBitsFromDeviceContext(Destination, DestWidth, DestHeight);
if Assigned(DestBits) then if Assigned(DestBits) then
begin begin
@ -849,6 +872,7 @@ begin
end; end;
end; end;
EMMS; EMMS;
{$ENDIF}
end; end;
end; end;
end; end;

4
components/virtualtreeview/include/intf/qt5/laz.vtgraphicsi.inc
View File

@ -786,11 +786,11 @@ var
DestWidth, DestWidth,
DestHeight: Integer; DestHeight: Integer;
{$IFDEF CPU64} {$IFDEF CPU64}
ATransform: QTransformH;
DX, DY: QReal;
AColor: QColorH; AColor: QColorH;
ADst: TQtDeviceContext absolute Destination; ADst: TQtDeviceContext absolute Destination;
AFillColor: TQColor; AFillColor: TQColor;
ATransform: QTransformH;
DX, DY: QReal;
{$ENDIF} {$ENDIF}
//BlendColor: TQColor; //BlendColor: TQColor;