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improved ExtTxtOut: support for char dist array

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git-svn-id: trunk@2025 -
This commit is contained in:
mattias 2002-08-17 23:40:41 +00:00
parent 9d03ecd608
commit 82a79bcc79
1 changed files with 26 additions and 5 deletions
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31
lcl/interfaces/gtk/gtkwinapi.inc
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@ -2759,7 +2759,7 @@ var
LineStart, LineEnd, StrEnd: PChar; LineStart, LineEnd, StrEnd: PChar;
Width, Height: Integer; Width, Height: Integer;
TopY, LineLen, LineHeight : Integer; TopY, LineLen, LineHeight : Integer;
TXTPt : TPoint; TxtPt : TPoint;
UseFont : PGDKFont; UseFont : PGDKFont;
UnRef : Boolean; UnRef : Boolean;
DCOrigin: TPoint; DCOrigin: TPoint;
@ -2768,12 +2768,30 @@ var
procedure DrawTextLine; procedure DrawTextLine;
var var
UnderLineLen, Y: integer; UnderLineLen, Y: integer;
CurDistX: PInteger;
CharsWritten, CurX, i: integer;
LinePos: PChar;
begin begin
with TDeviceContext(DC) do begin with TDeviceContext(DC) do begin
gdk_draw_text(Drawable, UseFont, GC, TxtPt.X, TxtPt.Y, if Dx=nil then begin
LineStart, LineLen); // no dist array -> write as one block
gdk_draw_text(Drawable, UseFont, GC, 0,0, gdk_draw_text(Drawable, UseFont, GC, TxtPt.X, TxtPt.Y,
'A'#0,2); LineStart, LineLen);
end else begin
// dist array -> write each char separately
CharsWritten:=integer(LineStart-Str);
if DCTextMetric.IsDoubleByteChar then
CharsWritten:=CharsWritten div 2;
CurDistX:=Dx+CharsWritten*SizeOf(Integer);
CurX:=TxtPt.X;
LinePos:=LineStart;
for i:=1 to LineLen do begin
gdk_draw_text(Drawable, UseFont, GC, CurX, TxtPt.Y, LinePos, 1);
inc(LinePos);
inc(CurX,CurDistX^);
inc(CurDistX);
end;
end;
if UnderLine then begin if UnderLine then begin
UnderLineLen := Rect^.Right-Rect^.Left; UnderLineLen := Rect^.Right-Rect^.Left;
Y := TxtPt.Y + 1; Y := TxtPt.Y + 1;
@ -7536,6 +7554,9 @@ end;
{ ============================================================================= { =============================================================================
$Log$ $Log$
Revision 1.193 2002/12/07 08:42:09 mattias
improved ExtTxtOut: support for char dist array
Revision 1.192 2002/12/05 22:16:33 mattias Revision 1.192 2002/12/05 22:16:33 mattias
double byte char font started double byte char font started