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CairoCanvas, fix textrect rotation

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git-svn-id: trunk@40724 -
This commit is contained in:
jesus 2013-04-06 17:47:24 +00:00
parent 2b3ef514e9
commit 5fc932cc76
1 changed files with 29 additions and 7 deletions
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36
components/cairocanvas/cairocanvas.pas
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@ -809,6 +809,12 @@ begin
cairo_clip(cr);
end;
if (Font.Orientation=900) or (Font.Orientation=2700) then begin
x := BoxWidth;
BoxWidth := BoxHeight;
BoxHeight := x;
end;
if Style.ExpandTabs then
s := StringReplace(s, #9, ' ', [rfReplaceAll])
else
@ -911,12 +917,29 @@ begin
{$endif}
{$ifdef pangocairo}
// TODO: missing breaklines
pango_layout_set_text(layout, pchar(s), -1);
pango_layout_get_extents(Layout, @ink, @logical);
//Calc start 'box' relative positions
case Style.Layout of
tlTop: y := 0;
tlCenter: y := BoxHeight/2 - logical.Height/PANGO_SCALE/2;
tlBottom: y := BoxHeight - logical.height/PANGO_SCALE;
end;
{$else}
//Calc start positions
case Style.Layout of
tlTop: y := StartTop;
tlCenter: y := boxTop + BoxHeight/2 - fe.height*Lines.Count/2;
tlBottom: y := BoxTop+BoxHeight - fe.height*Lines.Count;
tlTop: y := 0;
tlCenter: y := BoxHeight/2 - fe.height*Lines.Count/2;
tlBottom: y := BoxHeight - fe.height*Lines.Count;
end;
{$endif}
// translate origin
cairo_translate(cr, StartLeft, StartTop);
// rotate
cairo_rotate(cr, -DegToRad(Font.Orientation/10));
//Text output
for i := 0 to Lines.Count-1 do begin
@ -930,13 +953,12 @@ begin
//DebugLn('i=%i y=%f s1=%s',[i,y,s1]);
{$ifdef pangocairo}
//cairo_text_extents(cr, PChar(s1), @te);
pango_layout_set_text(layout, pchar(s1), -1);
pango_layout_get_extents(Layout, @ink, @logical);
case Style.Alignment of
taLeftJustify: x := StartLeft;
taCenter: x := BoxLeft + BoxWidth/2 - logical.width/PANGO_SCALE/2;
taRightJustify: x := BoxLeft+BoxWidth - logical.Width/PANGO_SCALE;
taLeftJustify: x := 0;
taCenter: x := BoxWidth/2 - logical.width/PANGO_SCALE/2;
taRightJustify: x := BoxWidth - logical.Width/PANGO_SCALE;
end;
cairo_move_to(cr, x, y);
//DebugLn('TextRect ',S1);