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LCL/Grids: Fix cell painting when text is rotated.

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This commit is contained in:
wp_xyz 2022-03-13 16:34:09 +01:00
parent e2ad6b3d8d
commit d2701ed5d1
1 changed files with 43 additions and 11 deletions
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54
lcl/grids.pas
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@ -1955,7 +1955,7 @@ implementation
{$R lcl_grid_images.res}
uses
WSGrids;
WSGrids, GraphMath;
{$WARN SYMBOL_DEPRECATED OFF}
{$IFDEF FPC_HAS_CPSTRING}
@ -4694,16 +4694,48 @@ end;
procedure TCustomGrid.DrawCellText(aCol, aRow: Integer; aRect: TRect;
aState: TGridDrawState; aText: String);
var
Rtxt, Rrot, R: TRect;
angle: Double;
ts: TTextStyle;
begin
dec(ARect.Right, varCellPadding);
case Canvas.TextStyle.Alignment of
Classes.taLeftJustify: Inc(ARect.Left, varCellPadding);
Classes.taRightJustify: Dec(ARect.Right, 1);
end;
case Canvas.TextStyle.Layout of
tlTop: Inc(ARect.Top, varCellPadding);
tlBottom: Dec(ARect.Bottom, varCellPadding);
end;
ts := Canvas.TextStyle;
if Canvas.Font.Orientation = 0 then
begin
dec(ARect.Right, varCellPadding);
case Canvas.TextStyle.Alignment of
Classes.taLeftJustify: Inc(ARect.Left, varCellPadding);
Classes.taRightJustify: Dec(ARect.Right, 1);
end;
case Canvas.TextStyle.Layout of
tlTop: Inc(ARect.Top, varCellPadding);
tlBottom: Dec(ARect.Bottom, varCellPadding);
end;
end else
begin
angle := Canvas.Font.Orientation * pi / 1800;
Rtxt.TopLeft := Point(0, 0);
Rtxt.BottomRight := TPoint(Canvas.TextExtent(aText));
Rrot := RotateRect(Rtxt.Width, Rtxt.Height, angle);
R := Rrot;
case Canvas.TextStyle.Alignment of
taLeftJustify: OffsetRect(R, -Rrot.Left + varCellPadding, 0);
taCenter: OffsetRect(R, (ARect.Width - Rrot.Width) div 2 - Rrot.Left, 0);
taRightJustify: OffsetRect(R, ARect.Width - Rrot.Right - varCellPadding, 0);
end;
case Canvas.TextStyle.Layout of
tlTop: OffsetRect(R, 0, -Rrot.Top + varCellPadding);
tlCenter: OffsetRect(R, 0, (ARect.Height - Rrot.Height) div 2 - Rrot.Top);
tlBottom: OffsetRect(R, 0, ARect.Height - Rrot.Bottom - varCellPadding);
end;
OffsetRect(R, -Rrot.Left, -Rrot.Top);
OffsetRect(R, ARect.Left, ARect.Top);
ARect := R;
ts.Clipping := false;
ts.Layout := tlTop;
ts.Alignment := taLeftJustify;
end;
if ARect.Right<ARect.Left then
ARect.Right:=ARect.Left;
@ -4715,7 +4747,7 @@ begin
ARect.Top:=ARect.Bottom;
if (ARect.Left<>ARect.Right) and (ARect.Top<>ARect.Bottom) then
Canvas.TextRect(aRect,ARect.Left,ARect.Top, aText);
Canvas.TextRect(aRect,ARect.Left,ARect.Top, aText, ts);
end;
procedure TCustomGrid.DrawGridCheckboxBitmaps(const aCol,aRow: Integer;