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CairoCanvas, support for wordbreak text style, from Petr-K, issue #25484

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git-svn-id: trunk@44430 -
This commit is contained in:
jesus 2014-03-15 08:19:36 +00:00
parent 53f8732b32
commit 585b1dd06a
1 changed files with 16 additions and 5 deletions
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21
components/cairocanvas/cairocanvas.pas
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@ -1180,7 +1180,16 @@ begin
{$endif} {$endif}
{$ifdef pangocairo} {$ifdef pangocairo}
// TODO: missing breaklines if Style.Wordbreak then begin
pango_layout_set_width(layout, Round(BoxWidth*PANGO_SCALE));
pango_layout_set_wrap(layout, PANGO_WRAP_WORD);
case Style.Alignment of //Works only with pango_layout_set_width
taLeftJustify: pango_layout_set_alignment(layout, PANGO_ALIGN_LEFT);
taCenter: pango_layout_set_alignment(layout, PANGO_ALIGN_CENTER);
taRightJustify: pango_layout_set_alignment(layout, PANGO_ALIGN_RIGHT);
end;
end;
pango_layout_set_text(layout, pchar(s), -1); pango_layout_set_text(layout, pchar(s), -1);
pango_layout_get_extents(Layout, @ink, @logical); pango_layout_get_extents(Layout, @ink, @logical);
//Calc start 'box' relative positions //Calc start 'box' relative positions
@ -1217,10 +1226,12 @@ begin
{$ifdef pangocairo} {$ifdef pangocairo}
pango_layout_set_text(layout, pchar(s1), -1); pango_layout_set_text(layout, pchar(s1), -1);
pango_layout_get_extents(Layout, @ink, @logical); pango_layout_get_extents(Layout, @ink, @logical);
case Style.Alignment of x := 0;
taLeftJustify: x := 0; if not Style.Wordbreak then begin
taCenter: x := BoxWidth/2 - logical.width/PANGO_SCALE/2; case Style.Alignment of
taRightJustify: x := BoxWidth - logical.Width/PANGO_SCALE; taCenter: x := BoxWidth/2 - logical.width/PANGO_SCALE/2;
taRightJustify: x := BoxWidth - logical.Width/PANGO_SCALE;
end;
end; end;
cairo_move_to(cr, x, y); cairo_move_to(cr, x, y);
//DebugLn('TextRect ',S1); //DebugLn('TextRect ',S1);