libs-back/Source/art/ftfont.h

/*
   Copyright (C) 2002 Free Software Foundation, Inc.

   Author:  Alexander Malmberg <alexander@malmberg.org>

   This file is part of GNUstep.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library 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.	 See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; see the file COPYING.LIB.
   If not, see <http://www.gnu.org/licenses/> or write to the 
   Free Software Foundation, 51 Franklin Street, Fifth Floor, 
   Boston, MA 02110-1301, USA.
*/

#ifndef ftfont_h
#define ftfont_h

#import "blit.h"

@class NSAffineTransform;

@protocol FTFontInfo
-(void) drawString: (const char *)s
	at: (int)x : (int)y
	to: (int)x0 : (int)y0 : (int)x1 : (int)y1
	: (unsigned char *)buf : (int)bpl
	: (unsigned char *)abuf : (int)abpl
	color: (unsigned char)r : (unsigned char)g : (unsigned char)b
	: (unsigned char)alpha
	transform: (NSAffineTransform *)transform
	deltas: (const CGFloat *)delta_data : (int)delta_size : (int)delta_flags
        widthChar: (int) wch
	drawinfo: (struct draw_info_s *)di;

-(void) drawGlyphs: (const NSGlyph *)glyphs : (int)length
	at: (int)x : (int)y
	to: (int)x0 : (int)y0 : (int)x1 : (int)y1
	: (unsigned char *)buf : (int)bpl
	color: (unsigned char)r : (unsigned char)g : (unsigned char)b
	: (unsigned char)alpha
	transform: (NSAffineTransform *)transform
	drawinfo: (struct draw_info_s *)di;

-(void) drawGlyphs: (const NSGlyph *)glyphs : (int)length
	at: (int)x : (int)y
	to: (int)x0 : (int)y0 : (int)x1 : (int)y1
	: (unsigned char *)buf : (int)bpl
	alpha: (unsigned char *)abuf : (int)abpl
	color: (unsigned char)r : (unsigned char)g : (unsigned char)b
	: (unsigned char)alpha
	transform: (NSAffineTransform *)transform
	drawinfo: (struct draw_info_s *)di;

-(void) outlineString: (const char *)s
	at: (CGFloat)x : (CGFloat)y
	gstate: (void *)func_param;

+(void) initializeBackend;
@end

#import <ft2build.h>
#import FT_CACHE_H

#import <GNUstepGUI/GSFontInfo.h>
#import "FTFaceInfo.h"

#define CACHE_SIZE 257

@interface FTFontInfo : GSFontInfo <FTFontInfo>
{
@public
  int pix_width, pix_height;

  FTC_FaceID faceId;
  FTC_ImageTypeRec imageType;
  FTC_ScalerRec scaler;
  int unicodeCmap;

  BOOL screenFont;

  FTFaceInfo *face_info;
  FT_Size ft_size;

  /*
  Profiling (2003-11-14) shows that calls to -advancementForGlyph: accounted
  for roughly 20% of layout time. This cache reduces it to (currently)
  insignificant levels.
  */
  unsigned int cachedGlyph[CACHE_SIZE];
  NSSize cachedSize[CACHE_SIZE];

  CGFloat lineHeight;
}
@end

#endif