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{
fpGFX - Free Pascal Graphics Library
Copyright (C) 2006-2007 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 x11_xft;
{$mode objfpc}{$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 : ptrint;
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 XftDrawStringUtf8(draw : PXftDraw; var col : TXftColor; fnt : PXftFont; x,y : integer; txt : PChar; len : integer); 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 XftTextExtentsUtf8(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;
procedure XftTextExtents16(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 XftDrawStringUtf8(draw : PXftDraw; var col : TXftColor; fnt : PXftFont; x,y : integer; txt : PChar; len : integer); 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 XftTextExtentsUtf8(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;
procedure XftTextExtents16(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.
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