diff options
Diffstat (limited to 'gfx/x11/unitxft.pas')
| -rw-r--r-- | gfx/x11/unitxft.pas | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/gfx/x11/unitxft.pas b/gfx/x11/unitxft.pas new file mode 100644 index 00000000..2ede5a10 --- /dev/null +++ b/gfx/x11/unitxft.pas @@ -0,0 +1,155 @@ +{ + fpGFX - Free Pascal Graphics Library + Copyright (C) 2006 by Graeme Geldenhuys + member of the fpGFX development team. + + Xft interface functions + + See the file COPYING.fpGFX, included in this distribution, + for details about the copyright. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + + **********************************************************************} + + +unit unitxft; + +{$mode objfpc}{$H+} + +{$linklib Xft} + +interface +uses + Classes + ,SysUtils + ,X + ,XLib + ,Xutil + ; + + +type + TPicture = longword; + + TXftDraw = record + dummy : Pointer; + end; + PXftDraw = ^TXftDraw; + + TXftFont = record + ascent : integer; + descent : integer; + height : integer; + max_advance_width : integer; + ptr1 : Pointer; // charset + ptr2 : Pointer; // pattern + end; + PXftFont = ^TXftFont; + + TXRenderColor = record + red : word; + green : word; + blue : word; + alpha : word; + end; + + TXftColor = record + pixel : longword; + color : TXRenderColor; + end; + + TXGlyphInfo = packed record + width : word; + height : word; + x : smallint; + y : smallint; + xOff : smallint; + yOff : smallint; + end; + + TFcPattern = record + dummy : integer; + end; + + PFcPattern = ^TFcPattern; + PPFcPattern = ^PFcPattern; + + TFcFontSet = packed record + nfont : integer; + sfont : integer; + fonts : PPFcPattern; + end; + PFcFontSet = ^TFcFontSet; + +const + FC_FAMILY : PChar = 'family'; + FC_SIZE : PChar = 'size'; + FC_SCALABLE : PChar = 'scalable'; + + FcTypeVoid = 0; + FcTypeInteger = 1; + FcTypeDouble = 2; + FcTypeString = 3; + FcTypeBool = 4; + FcTypeMatrix = 5; + FcTypeCharSet = 6; + FcTypeFTFace = 7; + FcTypeLangSet = 8; + +function XftDrawCreate(display : PXDisplay; win : TXID; vis : PVisual; colorm : longint) : PXftDraw; cdecl; +procedure XftDrawChange(xftd : PXftDraw; win : TXID); cdecl; +procedure XftDrawDestroy(draw : PXftDraw); cdecl; + +function XftDrawPicture(draw : PXftDraw) : TPicture; cdecl; + +function XftFontOpenName(display : PXDisplay; scr : integer; par3 : PChar) : PXftFont; cdecl; +procedure XftFontClose(display : PXDisplay; fnt : PXftFont); cdecl; + +procedure XftDrawString8(draw : PXftDraw; var col : TXftColor; fnt : PXftFont; x,y : integer; txt : PChar; len : integer); cdecl; +procedure XftDrawString16(draw : PXftDraw; var col : TXftColor; fnt : PXftFont; x,y : integer; txt : PChar; len : integer); cdecl; + +procedure XftTextExtents16(display : PXDisplay; fnt : PXftFont; txt : PChar; len : integer; var extents : TXGlyphInfo); cdecl; +procedure XftTextExtents8(display : PXDisplay; fnt : PXftFont; txt : PChar; len : integer; var extents : TXGlyphInfo); cdecl; + +//function XftGlyphExists(display : PXDisplay; fnt : PXftFont; ch : integer) : longbool; cdecl; + +//procedure XftDrawSetClipRectangles(draw : PXftDraw; xorigin, yorigin : integer; rect : PXRectangle; rnum : integer); cdecl; + +procedure XftDrawSetClip(draw : PXftDraw; rg : TRegion); cdecl; + +function XftListFonts(display : PXDisplay; screen : integer; params : array of const) : PFcFontSet; cdecl; +function XftNameUnparse(pat : PFcPattern; dest : PChar; destlen : integer) : boolean; cdecl; +procedure FcFontSetDestroy(fsp : PFcFontSet); cdecl; + +implementation + +function XftDrawCreate(display : PXDisplay; win : TXID; vis : PVisual; colorm : longint) : PXftDraw; cdecl; external; +procedure XftDrawChange(xftd : PXftDraw; win : TXID); cdecl; external; +procedure XftDrawDestroy(draw : PXftDraw); cdecl; external; + +function XftDrawPicture(draw : PXftDraw) : TPicture; cdecl; external; + +function XftFontOpenName(display : PXDisplay; scr : integer; par3 : PChar) : PXftFont; cdecl; external; +procedure XftFontClose(display : PXDisplay; fnt : PXftFont); cdecl; external; + +procedure XftDrawString8(draw : PXftDraw; var col : TXftColor; fnt : PXftFont; x,y : integer; txt : PChar; len : integer); cdecl; external; +procedure XftDrawString16(draw : PXftDraw; var col : TXftColor; fnt : PXftFont; x,y : integer; txt : PChar; len : integer); cdecl; external; + +procedure XftTextExtents16(display : PXDisplay; fnt : PXftFont; txt : PChar; len : integer; var extents : TXGlyphInfo); cdecl; external; +procedure XftTextExtents8(display : PXDisplay; fnt : PXftFont; txt : PChar; len : integer; var extents : TXGlyphInfo); cdecl; external; + +//function XftGlyphExists(display : PXDisplay; fnt : PXftFont; ch : integer) : longbool; cdecl; external; + +//procedure XftDrawSetClipRectangles(draw : PXftDraw; xorigin, yorigin : integer; rect : PXRectangle; rnum : integer); cdecl; external; + +procedure XftDrawSetClip(draw : PXftDraw; rg : TRegion); cdecl; external; + +function XftListFonts(display : PXDisplay; screen : integer; params : array of const) : PFcFontSet; cdecl; external; +function XftNameUnparse(pat : PFcPattern; dest : PChar; destlen : integer) : boolean; cdecl; external; +procedure FcFontSetDestroy(fsp : PFcFontSet); cdecl; external; + +end. + |