source: trunk/src/gui/painting/qrasterdefs_p.h@ 5

Last change on this file since 5 was 2, checked in by Dmitry A. Kuminov, 17 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 79.0 KB
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1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the QtGui module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42/***************************************************************************/
43/* */
44/* ftimage.h */
45/* */
46/* FreeType glyph image formats and default raster interface */
47/* (specification). */
48/* */
49/* Copyright 1996-2001, 2002, 2003, 2004 by */
50/* David Turner, Robert Wilhelm, and Werner Lemberg. */
51/* */
52/* This file is part of the FreeType project, and may only be used, */
53/* modified, and distributed under the terms of the FreeType project */
54/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
55/* this file you indicate that you have read the license and */
56/* understand and accept it fully. */
57/* */
58/***************************************************************************/
59
60 /*************************************************************************/
61 /* */
62 /* Note: A `raster' is simply a scan-line converter, used to render */
63 /* QT_FT_Outlines into QT_FT_Bitmaps. */
64 /* */
65 /*************************************************************************/
66
67
68#ifndef __QT_FTIMAGE_H__
69#define __QT_FTIMAGE_H__
70
71/*
72// W A R N I N G
73// -------------
74//
75// This file is not part of the Qt API. It exists purely as an
76// implementation detail. This header file may change from version to
77// version without notice, or even be removed.
78//
79// We mean it.
80*/
81
82QT_FT_BEGIN_HEADER
83
84
85 /*************************************************************************/
86 /* */
87 /* <Section> */
88 /* basic_types */
89 /* */
90 /*************************************************************************/
91
92
93 /*************************************************************************/
94 /* */
95 /* <Type> */
96 /* QT_FT_Pos */
97 /* */
98 /* <Description> */
99 /* The type QT_FT_Pos is a 32-bit integer used to store vectorial */
100 /* coordinates. Depending on the context, these can represent */
101 /* distances in integer font units, or 16,16, or 26.6 fixed float */
102 /* pixel coordinates. */
103 /* */
104 typedef signed long QT_FT_Pos;
105
106
107 /*************************************************************************/
108 /* */
109 /* <Struct> */
110 /* QT_FT_Vector */
111 /* */
112 /* <Description> */
113 /* A simple structure used to store a 2D vector; coordinates are of */
114 /* the QT_FT_Pos type. */
115 /* */
116 /* <Fields> */
117 /* x :: The horizontal coordinate. */
118 /* y :: The vertical coordinate. */
119 /* */
120 typedef struct QT_FT_Vector_
121 {
122 QT_FT_Pos x;
123 QT_FT_Pos y;
124
125 } QT_FT_Vector;
126
127
128 /*************************************************************************/
129 /* */
130 /* <Struct> */
131 /* QT_FT_BBox */
132 /* */
133 /* <Description> */
134 /* A structure used to hold an outline's bounding box, i.e., the */
135 /* coordinates of its extrema in the horizontal and vertical */
136 /* directions. */
137 /* */
138 /* <Fields> */
139 /* xMin :: The horizontal minimum (left-most). */
140 /* */
141 /* yMin :: The vertical minimum (bottom-most). */
142 /* */
143 /* xMax :: The horizontal maximum (right-most). */
144 /* */
145 /* yMax :: The vertical maximum (top-most). */
146 /* */
147 typedef struct QT_FT_BBox_
148 {
149 QT_FT_Pos xMin, yMin;
150 QT_FT_Pos xMax, yMax;
151
152 } QT_FT_BBox;
153
154
155 /*************************************************************************/
156 /* */
157 /* <Enum> */
158 /* QT_FT_Pixel_Mode */
159 /* */
160 /* <Description> */
161 /* An enumeration type used to describe the format of pixels in a */
162 /* given bitmap. Note that additional formats may be added in the */
163 /* future. */
164 /* */
165 /* <Values> */
166 /* QT_FT_PIXEL_MODE_NONE :: */
167 /* Value 0 is reserved. */
168 /* */
169 /* QT_FT_PIXEL_MODE_MONO :: */
170 /* A monochrome bitmap, using 1 bit per pixel. Note that pixels */
171 /* are stored in most-significant order (MSB), which means that */
172 /* the left-most pixel in a byte has value 128. */
173 /* */
174 /* QT_FT_PIXEL_MODE_GRAY :: */
175 /* An 8-bit bitmap, generally used to represent anti-aliased glyph */
176 /* images. Each pixel is stored in one byte. Note that the number */
177 /* of value "gray" levels is stored in the `num_bytes' field of */
178 /* the @QT_FT_Bitmap structure (it generally is 256). */
179 /* */
180 /* QT_FT_PIXEL_MODE_GRAY2 :: */
181 /* A 2-bit/pixel bitmap, used to represent embedded anti-aliased */
182 /* bitmaps in font files according to the OpenType specification. */
183 /* We haven't found a single font using this format, however. */
184 /* */
185 /* QT_FT_PIXEL_MODE_GRAY4 :: */
186 /* A 4-bit/pixel bitmap, used to represent embedded anti-aliased */
187 /* bitmaps in font files according to the OpenType specification. */
188 /* We haven't found a single font using this format, however. */
189 /* */
190 /* QT_FT_PIXEL_MODE_LCD :: */
191 /* An 8-bit bitmap, used to represent RGB or BGR decimated glyph */
192 /* images used for display on LCD displays; the bitmap's width is */
193 /* three times wider than the original glyph image. See also */
194 /* @QT_FT_RENDER_MODE_LCD. */
195 /* */
196 /* QT_FT_PIXEL_MODE_LCD_V :: */
197 /* An 8-bit bitmap, used to represent RGB or BGR decimated glyph */
198 /* images used for display on rotated LCD displays; the bitmap's */
199 /* height is three times taller than the original glyph image. */
200 /* See also @QT_FT_RENDER_MODE_LCD_V. */
201 /* */
202 typedef enum QT_FT_Pixel_Mode_
203 {
204 QT_FT_PIXEL_MODE_NONE = 0,
205 QT_FT_PIXEL_MODE_MONO,
206 QT_FT_PIXEL_MODE_GRAY,
207 QT_FT_PIXEL_MODE_GRAY2,
208 QT_FT_PIXEL_MODE_GRAY4,
209 QT_FT_PIXEL_MODE_LCD,
210 QT_FT_PIXEL_MODE_LCD_V,
211
212 QT_FT_PIXEL_MODE_MAX /* do not remove */
213
214 } QT_FT_Pixel_Mode;
215
216
217 /*************************************************************************/
218 /* */
219 /* <Enum> */
220 /* qt_ft_pixel_mode_xxx */
221 /* */
222 /* <Description> */
223 /* A list of deprecated constants. Use the corresponding */
224 /* @QT_FT_Pixel_Mode values instead. */
225 /* */
226 /* <Values> */
227 /* qt_ft_pixel_mode_none :: see @QT_FT_PIXEL_MODE_NONE */
228 /* qt_ft_pixel_mode_mono :: see @QT_FT_PIXEL_MODE_MONO */
229 /* qt_ft_pixel_mode_grays :: see @QT_FT_PIXEL_MODE_GRAY */
230 /* qt_ft_pixel_mode_pal2 :: see @QT_FT_PIXEL_MODE_GRAY2 */
231 /* qt_ft_pixel_mode_pal4 :: see @QT_FT_PIXEL_MODE_GRAY4 */
232 /* */
233#define qt_ft_pixel_mode_none QT_FT_PIXEL_MODE_NONE
234#define qt_ft_pixel_mode_mono QT_FT_PIXEL_MODE_MONO
235#define qt_ft_pixel_mode_grays QT_FT_PIXEL_MODE_GRAY
236#define qt_ft_pixel_mode_pal2 QT_FT_PIXEL_MODE_GRAY2
237#define qt_ft_pixel_mode_pal4 QT_FT_PIXEL_MODE_GRAY4
238
239 /* */
240
241#if 0
242
243 /*************************************************************************/
244 /* */
245 /* <Enum> */
246 /* QT_FT_Palette_Mode */
247 /* */
248 /* <Description> */
249 /* THIS TYPE IS DEPRECATED. DO NOT USE IT! */
250 /* */
251 /* An enumeration type used to describe the format of a bitmap */
252 /* palette, used with qt_ft_pixel_mode_pal4 and qt_ft_pixel_mode_pal8. */
253 /* */
254 /* <Fields> */
255 /* qt_ft_palette_mode_rgb :: The palette is an array of 3-bytes RGB */
256 /* records. */
257 /* */
258 /* qt_ft_palette_mode_rgba :: The palette is an array of 4-bytes RGBA */
259 /* records. */
260 /* */
261 /* <Note> */
262 /* As qt_ft_pixel_mode_pal2, pal4 and pal8 are currently unused by */
263 /* FreeType, these types are not handled by the library itself. */
264 /* */
265 typedef enum QT_FT_Palette_Mode_
266 {
267 qt_ft_palette_mode_rgb = 0,
268 qt_ft_palette_mode_rgba,
269
270 qt_ft_palettte_mode_max /* do not remove */
271
272 } QT_FT_Palette_Mode;
273
274 /* */
275
276#endif
277
278
279 /*************************************************************************/
280 /* */
281 /* <Struct> */
282 /* QT_FT_Bitmap */
283 /* */
284 /* <Description> */
285 /* A structure used to describe a bitmap or pixmap to the raster. */
286 /* Note that we now manage pixmaps of various depths through the */
287 /* `pixel_mode' field. */
288 /* */
289 /* <Fields> */
290 /* rows :: The number of bitmap rows. */
291 /* */
292 /* width :: The number of pixels in bitmap row. */
293 /* */
294 /* pitch :: The pitch's absolute value is the number of bytes */
295 /* taken by one bitmap row, including padding. */
296 /* However, the pitch is positive when the bitmap has */
297 /* a `down' flow, and negative when it has an `up' */
298 /* flow. In all cases, the pitch is an offset to add */
299 /* to a bitmap pointer in order to go down one row. */
300 /* */
301 /* buffer :: A typeless pointer to the bitmap buffer. This */
302 /* value should be aligned on 32-bit boundaries in */
303 /* most cases. */
304 /* */
305 /* num_grays :: This field is only used with */
306 /* `QT_FT_PIXEL_MODE_GRAY'; it gives the number of gray */
307 /* levels used in the bitmap. */
308 /* */
309 /* pixel_mode :: The pixel mode, i.e., how pixel bits are stored. */
310 /* See @QT_FT_Pixel_Mode for possible values. */
311 /* */
312 /* palette_mode :: This field is only used with paletted pixel modes; */
313 /* it indicates how the palette is stored. */
314 /* */
315 /* palette :: A typeless pointer to the bitmap palette; only */
316 /* used for paletted pixel modes. */
317 /* */
318 /* <Note> */
319 /* For now, the only pixel mode supported by FreeType are mono and */
320 /* grays. However, drivers might be added in the future to support */
321 /* more `colorful' options. */
322 /* */
323 /* When using pixel modes pal2, pal4 and pal8 with a void `palette' */
324 /* field, a gray pixmap with respectively 4, 16, and 256 levels of */
325 /* gray is assumed. This, in order to be compatible with some */
326 /* embedded bitmap formats defined in the TrueType specification. */
327 /* */
328 /* Note that no font was found presenting such embedded bitmaps, so */
329 /* this is currently completely unhandled by the library. */
330 /* */
331 typedef struct QT_FT_Bitmap_
332 {
333 int rows;
334 int width;
335 int pitch;
336 unsigned char* buffer;
337 short num_grays;
338 char pixel_mode;
339 char palette_mode;
340 void* palette;
341
342 } QT_FT_Bitmap;
343
344
345 /*************************************************************************/
346 /* */
347 /* <Section> */
348 /* outline_processing */
349 /* */
350 /*************************************************************************/
351
352
353 /*************************************************************************/
354 /* */
355 /* <Struct> */
356 /* QT_FT_Outline */
357 /* */
358 /* <Description> */
359 /* This structure is used to describe an outline to the scan-line */
360 /* converter. */
361 /* */
362 /* <Fields> */
363 /* n_contours :: The number of contours in the outline. */
364 /* */
365 /* n_points :: The number of points in the outline. */
366 /* */
367 /* points :: A pointer to an array of `n_points' QT_FT_Vector */
368 /* elements, giving the outline's point coordinates. */
369 /* */
370 /* tags :: A pointer to an array of `n_points' chars, giving */
371 /* each outline point's type. If bit 0 is unset, the */
372 /* point is `off' the curve, i.e. a Bezier control */
373 /* point, while it is `on' when set. */
374 /* */
375 /* Bit 1 is meaningful for `off' points only. If set, */
376 /* it indicates a third-order Bezier arc control point; */
377 /* and a second-order control point if unset. */
378 /* */
379 /* contours :: An array of `n_contours' shorts, giving the end */
380 /* point of each contour within the outline. For */
381 /* example, the first contour is defined by the points */
382 /* `0' to `contours[0]', the second one is defined by */
383 /* the points `contours[0]+1' to `contours[1]', etc. */
384 /* */
385 /* flags :: A set of bit flags used to characterize the outline */
386 /* and give hints to the scan-converter and hinter on */
387 /* how to convert/grid-fit it. See QT_FT_Outline_Flags. */
388 /* */
389 typedef struct QT_FT_Outline_
390 {
391 int n_contours; /* number of contours in glyph */
392 int n_points; /* number of points in the glyph */
393
394 QT_FT_Vector* points; /* the outline's points */
395 char* tags; /* the points flags */
396 int* contours; /* the contour end points */
397
398 int flags; /* outline masks */
399
400 } QT_FT_Outline;
401
402
403 /*************************************************************************/
404 /* */
405 /* <Enum> */
406 /* QT_FT_OUTLINE_FLAGS */
407 /* */
408 /* <Description> */
409 /* A list of bit-field constants use for the flags in an outline's */
410 /* `flags' field. */
411 /* */
412 /* <Values> */
413 /* QT_FT_OUTLINE_NONE :: Value 0 is reserved. */
414 /* */
415 /* QT_FT_OUTLINE_OWNER :: If set, this flag indicates that the */
416 /* outline's field arrays (i.e. */
417 /* `points', `flags' & `contours') are */
418 /* `owned' by the outline object, and */
419 /* should thus be freed when it is */
420 /* destroyed. */
421 /* */
422 /* QT_FT_OUTLINE_EVEN_ODD_FILL :: By default, outlines are filled using */
423 /* the non-zero winding rule. If set to */
424 /* 1, the outline will be filled using */
425 /* the even-odd fill rule (only works */
426 /* with the smooth raster). */
427 /* */
428 /* QT_FT_OUTLINE_REVERSE_FILL :: By default, outside contours of an */
429 /* outline are oriented in clock-wise */
430 /* direction, as defined in the TrueType */
431 /* specification. This flag is set if */
432 /* the outline uses the opposite */
433 /* direction (typically for Type 1 */
434 /* fonts). This flag is ignored by the */
435 /* scan-converter. However, it is very */
436 /* important for the auto-hinter. */
437 /* */
438 /* QT_FT_OUTLINE_IGNORE_DROPOUTS :: By default, the scan converter will */
439 /* try to detect drop-outs in an outline */
440 /* and correct the glyph bitmap to */
441 /* ensure consistent shape continuity. */
442 /* If set, this flag hints the scan-line */
443 /* converter to ignore such cases. */
444 /* */
445 /* QT_FT_OUTLINE_HIGH_PRECISION :: This flag indicates that the */
446 /* scan-line converter should try to */
447 /* convert this outline to bitmaps with */
448 /* the highest possible quality. It is */
449 /* typically set for small character */
450 /* sizes. Note that this is only a */
451 /* hint, that might be completely */
452 /* ignored by a given scan-converter. */
453 /* */
454 /* QT_FT_OUTLINE_SINGLE_PASS :: This flag is set to force a given */
455 /* scan-converter to only use a single */
456 /* pass over the outline to render a */
457 /* bitmap glyph image. Normally, it is */
458 /* set for very large character sizes. */
459 /* It is only a hint, that might be */
460 /* completely ignored by a given */
461 /* scan-converter. */
462 /* */
463#define QT_FT_OUTLINE_NONE 0x0
464#define QT_FT_OUTLINE_OWNER 0x1
465#define QT_FT_OUTLINE_EVEN_ODD_FILL 0x2
466#define QT_FT_OUTLINE_REVERSE_FILL 0x4
467#define QT_FT_OUTLINE_IGNORE_DROPOUTS 0x8
468
469#define QT_FT_OUTLINE_HIGH_PRECISION 0x100
470#define QT_FT_OUTLINE_SINGLE_PASS 0x200
471
472
473 /*************************************************************************
474 *
475 * @enum:
476 * qt_ft_outline_flags
477 *
478 * @description:
479 * These constants are deprecated. Please use the corresponding
480 * @QT_FT_OUTLINE_FLAGS values.
481 *
482 * @values:
483 * qt_ft_outline_none :: See @QT_FT_OUTLINE_NONE.
484 * qt_ft_outline_owner :: See @QT_FT_OUTLINE_OWNER.
485 * qt_ft_outline_even_odd_fill :: See @QT_FT_OUTLINE_EVEN_ODD_FILL.
486 * qt_ft_outline_reverse_fill :: See @QT_FT_OUTLINE_REVERSE_FILL.
487 * qt_ft_outline_ignore_dropouts :: See @QT_FT_OUTLINE_IGNORE_DROPOUTS.
488 * qt_ft_outline_high_precision :: See @QT_FT_OUTLINE_HIGH_PRECISION.
489 * qt_ft_outline_single_pass :: See @QT_FT_OUTLINE_SINGLE_PASS.
490 */
491#define qt_ft_outline_none QT_FT_OUTLINE_NONE
492#define qt_ft_outline_owner QT_FT_OUTLINE_OWNER
493#define qt_ft_outline_even_odd_fill QT_FT_OUTLINE_EVEN_ODD_FILL
494#define qt_ft_outline_reverse_fill QT_FT_OUTLINE_REVERSE_FILL
495#define qt_ft_outline_ignore_dropouts QT_FT_OUTLINE_IGNORE_DROPOUTS
496#define qt_ft_outline_high_precision QT_FT_OUTLINE_HIGH_PRECISION
497#define qt_ft_outline_single_pass QT_FT_OUTLINE_SINGLE_PASS
498
499 /* */
500
501#define QT_FT_CURVE_TAG( flag ) ( flag & 3 )
502
503#define QT_FT_CURVE_TAG_ON 1
504#define QT_FT_CURVE_TAG_CONIC 0
505#define QT_FT_CURVE_TAG_CUBIC 2
506
507#define QT_FT_CURVE_TAG_TOUCH_X 8 /* reserved for the TrueType hinter */
508#define QT_FT_CURVE_TAG_TOUCH_Y 16 /* reserved for the TrueType hinter */
509
510#define QT_FT_CURVE_TAG_TOUCH_BOTH ( QT_FT_CURVE_TAG_TOUCH_X | \
511 QT_FT_CURVE_TAG_TOUCH_Y )
512
513#define QT_FT_Curve_Tag_On QT_FT_CURVE_TAG_ON
514#define QT_FT_Curve_Tag_Conic QT_FT_CURVE_TAG_CONIC
515#define QT_FT_Curve_Tag_Cubic QT_FT_CURVE_TAG_CUBIC
516#define QT_FT_Curve_Tag_Touch_X QT_FT_CURVE_TAG_TOUCH_X
517#define QT_FT_Curve_Tag_Touch_Y QT_FT_CURVE_TAG_TOUCH_Y
518
519 /*************************************************************************/
520 /* */
521 /* <FuncType> */
522 /* QT_FT_Outline_MoveToFunc */
523 /* */
524 /* <Description> */
525 /* A function pointer type used to describe the signature of a `move */
526 /* to' function during outline walking/decomposition. */
527 /* */
528 /* A `move to' is emitted to start a new contour in an outline. */
529 /* */
530 /* <Input> */
531 /* to :: A pointer to the target point of the `move to'. */
532 /* */
533 /* user :: A typeless pointer which is passed from the caller of the */
534 /* decomposition function. */
535 /* */
536 /* <Return> */
537 /* Error code. 0 means success. */
538 /* */
539 typedef int
540 (*QT_FT_Outline_MoveToFunc)( QT_FT_Vector* to,
541 void* user );
542
543#define QT_FT_Outline_MoveTo_Func QT_FT_Outline_MoveToFunc
544
545 /*************************************************************************/
546 /* */
547 /* <FuncType> */
548 /* QT_FT_Outline_LineToFunc */
549 /* */
550 /* <Description> */
551 /* A function pointer type used to describe the signature of a `line */
552 /* to' function during outline walking/decomposition. */
553 /* */
554 /* A `line to' is emitted to indicate a segment in the outline. */
555 /* */
556 /* <Input> */
557 /* to :: A pointer to the target point of the `line to'. */
558 /* */
559 /* user :: A typeless pointer which is passed from the caller of the */
560 /* decomposition function. */
561 /* */
562 /* <Return> */
563 /* Error code. 0 means success. */
564 /* */
565 typedef int
566 (*QT_FT_Outline_LineToFunc)( QT_FT_Vector* to,
567 void* user );
568
569#define QT_FT_Outline_LineTo_Func QT_FT_Outline_LineToFunc
570
571 /*************************************************************************/
572 /* */
573 /* <FuncType> */
574 /* QT_FT_Outline_ConicToFunc */
575 /* */
576 /* <Description> */
577 /* A function pointer type use to describe the signature of a `conic */
578 /* to' function during outline walking/decomposition. */
579 /* */
580 /* A `conic to' is emitted to indicate a second-order Bezier arc in */
581 /* the outline. */
582 /* */
583 /* <Input> */
584 /* control :: An intermediate control point between the last position */
585 /* and the new target in `to'. */
586 /* */
587 /* to :: A pointer to the target end point of the conic arc. */
588 /* */
589 /* user :: A typeless pointer which is passed from the caller of */
590 /* the decomposition function. */
591 /* */
592 /* <Return> */
593 /* Error code. 0 means success. */
594 /* */
595 typedef int
596 (*QT_FT_Outline_ConicToFunc)( QT_FT_Vector* control,
597 QT_FT_Vector* to,
598 void* user );
599
600#define QT_FT_Outline_ConicTo_Func QT_FT_Outline_ConicToFunc
601
602 /*************************************************************************/
603 /* */
604 /* <FuncType> */
605 /* QT_FT_Outline_CubicToFunc */
606 /* */
607 /* <Description> */
608 /* A function pointer type used to describe the signature of a `cubic */
609 /* to' function during outline walking/decomposition. */
610 /* */
611 /* A `cubic to' is emitted to indicate a third-order Bezier arc. */
612 /* */
613 /* <Input> */
614 /* control1 :: A pointer to the first Bezier control point. */
615 /* */
616 /* control2 :: A pointer to the second Bezier control point. */
617 /* */
618 /* to :: A pointer to the target end point. */
619 /* */
620 /* user :: A typeless pointer which is passed from the caller of */
621 /* the decomposition function. */
622 /* */
623 /* <Return> */
624 /* Error code. 0 means success. */
625 /* */
626 typedef int
627 (*QT_FT_Outline_CubicToFunc)( QT_FT_Vector* control1,
628 QT_FT_Vector* control2,
629 QT_FT_Vector* to,
630 void* user );
631
632#define QT_FT_Outline_CubicTo_Func QT_FT_Outline_CubicToFunc
633
634
635 /*************************************************************************/
636 /* */
637 /* <Struct> */
638 /* QT_FT_Outline_Funcs */
639 /* */
640 /* <Description> */
641 /* A structure to hold various function pointers used during outline */
642 /* decomposition in order to emit segments, conic, and cubic Beziers, */
643 /* as well as `move to' and `close to' operations. */
644 /* */
645 /* <Fields> */
646 /* move_to :: The `move to' emitter. */
647 /* */
648 /* line_to :: The segment emitter. */
649 /* */
650 /* conic_to :: The second-order Bezier arc emitter. */
651 /* */
652 /* cubic_to :: The third-order Bezier arc emitter. */
653 /* */
654 /* shift :: The shift that is applied to coordinates before they */
655 /* are sent to the emitter. */
656 /* */
657 /* delta :: The delta that is applied to coordinates before they */
658 /* are sent to the emitter, but after the shift. */
659 /* */
660 /* <Note> */
661 /* The point coordinates sent to the emitters are the transformed */
662 /* version of the original coordinates (this is important for high */
663 /* accuracy during scan-conversion). The transformation is simple: */
664 /* */
665 /* x' = (x << shift) - delta */
666 /* y' = (x << shift) - delta */
667 /* */
668 /* Set the value of `shift' and `delta' to 0 to get the original */
669 /* point coordinates. */
670 /* */
671 typedef struct QT_FT_Outline_Funcs_
672 {
673 QT_FT_Outline_MoveToFunc move_to;
674 QT_FT_Outline_LineToFunc line_to;
675 QT_FT_Outline_ConicToFunc conic_to;
676 QT_FT_Outline_CubicToFunc cubic_to;
677
678 int shift;
679 QT_FT_Pos delta;
680
681 } QT_FT_Outline_Funcs;
682
683
684 /*************************************************************************/
685 /* */
686 /* <Section> */
687 /* basic_types */
688 /* */
689 /*************************************************************************/
690
691
692 /*************************************************************************/
693 /* */
694 /* <Macro> */
695 /* QT_FT_IMAGE_TAG */
696 /* */
697 /* <Description> */
698 /* This macro converts four letter tags into an unsigned long. */
699 /* */
700 /* <Note> */
701 /* Since many 16bit compilers don't like 32bit enumerations, you */
702 /* should redefine this macro in case of problems to something like */
703 /* this: */
704 /* */
705 /* #define QT_FT_IMAGE_TAG( value, _x1, _x2, _x3, _x4 ) value */
706 /* */
707 /* to get a simple enumeration without assigning special numbers. */
708 /* */
709#ifndef QT_FT_IMAGE_TAG
710#define QT_FT_IMAGE_TAG( value, _x1, _x2, _x3, _x4 ) \
711 value = ( ( (unsigned long)_x1 << 24 ) | \
712 ( (unsigned long)_x2 << 16 ) | \
713 ( (unsigned long)_x3 << 8 ) | \
714 (unsigned long)_x4 )
715#endif /* QT_FT_IMAGE_TAG */
716
717
718 /*************************************************************************/
719 /* */
720 /* <Enum> */
721 /* QT_FT_Glyph_Format */
722 /* */
723 /* <Description> */
724 /* An enumeration type used to describe the format of a given glyph */
725 /* image. Note that this version of FreeType only supports two image */
726 /* formats, even though future font drivers will be able to register */
727 /* their own format. */
728 /* */
729 /* <Values> */
730 /* QT_FT_GLYPH_FORMAT_NONE :: */
731 /* The value 0 is reserved and does describe a glyph format. */
732 /* */
733 /* QT_FT_GLYPH_FORMAT_COMPOSITE :: */
734 /* The glyph image is a composite of several other images. This */
735 /* format is _only_ used with @QT_FT_LOAD_NO_RECURSE, and is used to */
736 /* report compound glyphs (like accented characters). */
737 /* */
738 /* QT_FT_GLYPH_FORMAT_BITMAP :: */
739 /* The glyph image is a bitmap, and can be described as an */
740 /* @QT_FT_Bitmap. You generally need to access the `bitmap' field of */
741 /* the @QT_FT_GlyphSlotRec structure to read it. */
742 /* */
743 /* QT_FT_GLYPH_FORMAT_OUTLINE :: */
744 /* The glyph image is a vertorial outline made of line segments */
745 /* and Bezier arcs; it can be described as an @QT_FT_Outline; you */
746 /* generally want to access the `outline' field of the */
747 /* @QT_FT_GlyphSlotRec structure to read it. */
748 /* */
749 /* QT_FT_GLYPH_FORMAT_PLOTTER :: */
750 /* The glyph image is a vectorial path with no inside/outside */
751 /* contours. Some Type 1 fonts, like those in the Hershey family, */
752 /* contain glyphs in this format. These are described as */
753 /* @QT_FT_Outline, but FreeType isn't currently capable of rendering */
754 /* them correctly. */
755 /* */
756 typedef enum QT_FT_Glyph_Format_
757 {
758 QT_FT_IMAGE_TAG( QT_FT_GLYPH_FORMAT_NONE, 0, 0, 0, 0 ),
759
760 QT_FT_IMAGE_TAG( QT_FT_GLYPH_FORMAT_COMPOSITE, 'c', 'o', 'm', 'p' ),
761 QT_FT_IMAGE_TAG( QT_FT_GLYPH_FORMAT_BITMAP, 'b', 'i', 't', 's' ),
762 QT_FT_IMAGE_TAG( QT_FT_GLYPH_FORMAT_OUTLINE, 'o', 'u', 't', 'l' ),
763 QT_FT_IMAGE_TAG( QT_FT_GLYPH_FORMAT_PLOTTER, 'p', 'l', 'o', 't' )
764
765 } QT_FT_Glyph_Format;
766
767
768 /*************************************************************************/
769 /* */
770 /* <Enum> */
771 /* qt_ft_glyph_format_xxx */
772 /* */
773 /* <Description> */
774 /* A list of decprecated constants. Use the corresponding */
775 /* @QT_FT_Glyph_Format values instead. */
776 /* */
777 /* <Values> */
778 /* qt_ft_glyph_format_none :: see @QT_FT_GLYPH_FORMAT_NONE */
779 /* qt_ft_glyph_format_composite :: see @QT_FT_GLYPH_FORMAT_COMPOSITE */
780 /* qt_ft_glyph_format_bitmap :: see @QT_FT_GLYPH_FORMAT_BITMAP */
781 /* qt_ft_glyph_format_outline :: see @QT_FT_GLYPH_FORMAT_OUTLINE */
782 /* qt_ft_glyph_format_plotter :: see @QT_FT_GLYPH_FORMAT_PLOTTER */
783 /* */
784#define qt_ft_glyph_format_none QT_FT_GLYPH_FORMAT_NONE
785#define qt_ft_glyph_format_composite QT_FT_GLYPH_FORMAT_COMPOSITE
786#define qt_ft_glyph_format_bitmap QT_FT_GLYPH_FORMAT_BITMAP
787#define qt_ft_glyph_format_outline QT_FT_GLYPH_FORMAT_OUTLINE
788#define qt_ft_glyph_format_plotter QT_FT_GLYPH_FORMAT_PLOTTER
789
790
791 /*************************************************************************/
792 /*************************************************************************/
793 /*************************************************************************/
794 /***** *****/
795 /***** R A S T E R D E F I N I T I O N S *****/
796 /***** *****/
797 /*************************************************************************/
798 /*************************************************************************/
799 /*************************************************************************/
800
801
802 /*************************************************************************/
803 /* */
804 /* A raster is a scan converter, in charge of rendering an outline into */
805 /* a a bitmap. This section contains the public API for rasters. */
806 /* */
807 /* Note that in FreeType 2, all rasters are now encapsulated within */
808 /* specific modules called `renderers'. See `freetype/ftrender.h' for */
809 /* more details on renderers. */
810 /* */
811 /*************************************************************************/
812
813
814 /*************************************************************************/
815 /* */
816 /* <Section> */
817 /* raster */
818 /* */
819 /* <Title> */
820 /* Scanline converter */
821 /* */
822 /* <Abstract> */
823 /* How vectorial outlines are converted into bitmaps and pixmaps. */
824 /* */
825 /* <Description> */
826 /* This section contains technical definitions. */
827 /* */
828 /*************************************************************************/
829
830
831 /*************************************************************************/
832 /* */
833 /* <Type> */
834 /* QT_FT_Raster */
835 /* */
836 /* <Description> */
837 /* A handle (pointer) to a raster object. Each object can be used */
838 /* independently to convert an outline into a bitmap or pixmap. */
839 /* */
840 typedef struct QT_FT_RasterRec_* QT_FT_Raster;
841
842
843 /*************************************************************************/
844 /* */
845 /* <Struct> */
846 /* QT_FT_Span */
847 /* */
848 /* <Description> */
849 /* A structure used to model a single span of gray (or black) pixels */
850 /* when rendering a monochrome or anti-aliased bitmap. */
851 /* */
852 /* <Fields> */
853 /* x :: The span's horizontal start position. */
854 /* */
855 /* len :: The span's length in pixels. */
856 /* */
857 /* coverage :: The span color/coverage, ranging from 0 (background) */
858 /* to 255 (foreground). Only used for anti-aliased */
859 /* rendering. */
860 /* */
861 /* <Note> */
862 /* This structure is used by the span drawing callback type named */
863 /* QT_FT_SpanFunc which takes the y-coordinate of the span as a */
864 /* a parameter. */
865 /* */
866 /* The coverage value is always between 0 and 255, even if the number */
867 /* of gray levels have been set through QT_FT_Set_Gray_Levels(). */
868 /* */
869 typedef struct QT_FT_Span_
870 {
871 short x;
872 unsigned short len;
873 short y;
874 unsigned char coverage;
875 } QT_FT_Span;
876
877
878 /*************************************************************************/
879 /* */
880 /* <FuncType> */
881 /* QT_FT_SpanFunc */
882 /* */
883 /* <Description> */
884 /* A function used as a call-back by the anti-aliased renderer in */
885 /* order to let client applications draw themselves the gray pixel */
886 /* spans on each scan line. */
887 /* */
888 /* <Input> */
889 /* y :: The scanline's y-coordinate. */
890 /* */
891 /* count :: The number of spans to draw on this scanline. */
892 /* */
893 /* spans :: A table of `count' spans to draw on the scanline. */
894 /* */
895 /* user :: User-supplied data that is passed to the callback. */
896 /* */
897 /* <Note> */
898 /* This callback allows client applications to directly render the */
899 /* gray spans of the anti-aliased bitmap to any kind of surfaces. */
900 /* */
901 /* This can be used to write anti-aliased outlines directly to a */
902 /* given background bitmap, and even perform translucency. */
903 /* */
904 /* Note that the `count' field cannot be greater than a fixed value */
905 /* defined by the QT_FT_MAX_GRAY_SPANS configuration macro in */
906 /* ftoption.h. By default, this value is set to 32, which means that */
907 /* if there are more than 32 spans on a given scanline, the callback */
908 /* will be called several times with the same `y' parameter in order */
909 /* to draw all callbacks. */
910 /* */
911 /* Otherwise, the callback is only called once per scan-line, and */
912 /* only for those scanlines that do have `gray' pixels on them. */
913 /* */
914 typedef void
915 (*QT_FT_SpanFunc)(int count,
916 const QT_FT_Span* spans,
917 void* worker);
918
919#define QT_FT_Raster_Span_Func QT_FT_SpanFunc
920
921
922 /*************************************************************************/
923 /* */
924 /* <FuncType> */
925 /* QT_FT_Raster_BitTest_Func */
926 /* */
927 /* <Description> */
928 /* THIS TYPE IS DEPRECATED. DO NOT USE IT. */
929 /* */
930 /* A function used as a call-back by the monochrome scan-converter */
931 /* to test whether a given target pixel is already set to the drawing */
932 /* `color'. These tests are crucial to implement drop-out control */
933 /* per-se the TrueType spec. */
934 /* */
935 /* <Input> */
936 /* y :: The pixel's y-coordinate. */
937 /* */
938 /* x :: The pixel's x-coordinate. */
939 /* */
940 /* user :: User-supplied data that is passed to the callback. */
941 /* */
942 /* <Return> */
943 /* 1 if the pixel is `set', 0 otherwise. */
944 /* */
945 typedef int
946 (*QT_FT_Raster_BitTest_Func)( int y,
947 int x,
948 void* user );
949
950
951 /*************************************************************************/
952 /* */
953 /* <FuncType> */
954 /* QT_FT_Raster_BitSet_Func */
955 /* */
956 /* <Description> */
957 /* THIS TYPE IS DEPRECATED. DO NOT USE IT. */
958 /* */
959 /* A function used as a call-back by the monochrome scan-converter */
960 /* to set an individual target pixel. This is crucial to implement */
961 /* drop-out control according to the TrueType specification. */
962 /* */
963 /* <Input> */
964 /* y :: The pixel's y-coordinate. */
965 /* */
966 /* x :: The pixel's x-coordinate. */
967 /* */
968 /* user :: User-supplied data that is passed to the callback. */
969 /* */
970 /* <Return> */
971 /* 1 if the pixel is `set', 0 otherwise. */
972 /* */
973 typedef void
974 (*QT_FT_Raster_BitSet_Func)( int y,
975 int x,
976 void* user );
977
978
979 /*************************************************************************/
980 /* */
981 /* <Enum> */
982 /* QT_FT_RASTER_FLAG_XXX */
983 /* */
984 /* <Description> */
985 /* A list of bit flag constants as used in the `flags' field of a */
986 /* @QT_FT_Raster_Params structure. */
987 /* */
988 /* <Values> */
989 /* QT_FT_RASTER_FLAG_DEFAULT :: This value is 0. */
990 /* */
991 /* QT_FT_RASTER_FLAG_AA :: This flag is set to indicate that an */
992 /* anti-aliased glyph image should be */
993 /* generated. Otherwise, it will be */
994 /* monochrome (1-bit). */
995 /* */
996 /* QT_FT_RASTER_FLAG_DIRECT :: This flag is set to indicate direct */
997 /* rendering. In this mode, client */
998 /* applications must provide their own span */
999 /* callback. This lets them directly */
1000 /* draw or compose over an existing bitmap. */
1001 /* If this bit is not set, the target */
1002 /* pixmap's buffer _must_ be zeroed before */
1003 /* rendering. */
1004 /* */
1005 /* Note that for now, direct rendering is */
1006 /* only possible with anti-aliased glyphs. */
1007 /* */
1008 /* QT_FT_RASTER_FLAG_CLIP :: This flag is only used in direct */
1009 /* rendering mode. If set, the output will */
1010 /* be clipped to a box specified in the */
1011 /* "clip_box" field of the QT_FT_Raster_Params */
1012 /* structure. */
1013 /* */
1014 /* Note that by default, the glyph bitmap */
1015 /* is clipped to the target pixmap, except */
1016 /* in direct rendering mode where all spans */
1017 /* are generated if no clipping box is set. */
1018 /* */
1019#define QT_FT_RASTER_FLAG_DEFAULT 0x0
1020#define QT_FT_RASTER_FLAG_AA 0x1
1021#define QT_FT_RASTER_FLAG_DIRECT 0x2
1022#define QT_FT_RASTER_FLAG_CLIP 0x4
1023
1024 /* deprecated */
1025#define qt_ft_raster_flag_default QT_FT_RASTER_FLAG_DEFAULT
1026#define qt_ft_raster_flag_aa QT_FT_RASTER_FLAG_AA
1027#define qt_ft_raster_flag_direct QT_FT_RASTER_FLAG_DIRECT
1028#define qt_ft_raster_flag_clip QT_FT_RASTER_FLAG_CLIP
1029
1030
1031 /*************************************************************************/
1032 /* */
1033 /* <Struct> */
1034 /* QT_FT_Raster_Params */
1035 /* */
1036 /* <Description> */
1037 /* A structure to hold the arguments used by a raster's render */
1038 /* function. */
1039 /* */
1040 /* <Fields> */
1041 /* target :: The target bitmap. */
1042 /* */
1043 /* source :: A pointer to the source glyph image (e.g. an */
1044 /* QT_FT_Outline). */
1045 /* */
1046 /* flags :: The rendering flags. */
1047 /* */
1048 /* gray_spans :: The gray span drawing callback. */
1049 /* */
1050 /* black_spans :: The black span drawing callback. */
1051 /* */
1052 /* bit_test :: The bit test callback. UNIMPLEMENTED! */
1053 /* */
1054 /* bit_set :: The bit set callback. UNIMPLEMENTED! */
1055 /* */
1056 /* user :: User-supplied data that is passed to each drawing */
1057 /* callback. */
1058 /* */
1059 /* clip_box :: An optional clipping box. It is only used in */
1060 /* direct rendering mode. Note that coordinates here */
1061 /* should be expressed in _integer_ pixels (and not in */
1062 /* 26.6 fixed-point units). */
1063 /* */
1064 /* <Note> */
1065 /* An anti-aliased glyph bitmap is drawn if the QT_FT_RASTER_FLAG_AA bit */
1066 /* flag is set in the `flags' field, otherwise a monochrome bitmap */
1067 /* will be generated. */
1068 /* */
1069 /* If the QT_FT_RASTER_FLAG_DIRECT bit flag is set in `flags', the */
1070 /* raster will call the `gray_spans' callback to draw gray pixel */
1071 /* spans, in the case of an aa glyph bitmap, it will call */
1072 /* `black_spans', and `bit_test' and `bit_set' in the case of a */
1073 /* monochrome bitmap. This allows direct composition over a */
1074 /* pre-existing bitmap through user-provided callbacks to perform the */
1075 /* span drawing/composition. */
1076 /* */
1077 /* Note that the `bit_test' and `bit_set' callbacks are required when */
1078 /* rendering a monochrome bitmap, as they are crucial to implement */
1079 /* correct drop-out control as defined in the TrueType specification. */
1080 /* */
1081 typedef struct QT_FT_Raster_Params_
1082 {
1083 QT_FT_Bitmap* target;
1084 void* source;
1085 int flags;
1086 QT_FT_SpanFunc gray_spans;
1087 QT_FT_SpanFunc black_spans;
1088 QT_FT_Raster_BitTest_Func bit_test; /* doesn't work! */
1089 QT_FT_Raster_BitSet_Func bit_set; /* doesn't work! */
1090 void* user;
1091 QT_FT_BBox clip_box;
1092
1093 } QT_FT_Raster_Params;
1094
1095
1096 /*************************************************************************/
1097 /* */
1098 /* <FuncType> */
1099 /* QT_FT_Raster_NewFunc */
1100 /* */
1101 /* <Description> */
1102 /* A function used to create a new raster object. */
1103 /* */
1104 /* <Input> */
1105 /* memory :: A handle to the memory allocator. */
1106 /* */
1107 /* <Output> */
1108 /* raster :: A handle to the new raster object. */
1109 /* */
1110 /* <Return> */
1111 /* Error code. 0 means success. */
1112 /* */
1113 /* <Note> */
1114 /* The `memory' parameter is a typeless pointer in order to avoid */
1115 /* un-wanted dependencies on the rest of the FreeType code. In */
1116 /* practice, it is a QT_FT_Memory, i.e., a handle to the standard */
1117 /* FreeType memory allocator. However, this field can be completely */
1118 /* ignored by a given raster implementation. */
1119 /* */
1120 typedef int
1121 (*QT_FT_Raster_NewFunc)( void* memory,
1122 QT_FT_Raster* raster );
1123
1124#define QT_FT_Raster_New_Func QT_FT_Raster_NewFunc
1125
1126 /*************************************************************************/
1127 /* */
1128 /* <FuncType> */
1129 /* QT_FT_Raster_DoneFunc */
1130 /* */
1131 /* <Description> */
1132 /* A function used to destroy a given raster object. */
1133 /* */
1134 /* <Input> */
1135 /* raster :: A handle to the raster object. */
1136 /* */
1137 typedef void
1138 (*QT_FT_Raster_DoneFunc)( QT_FT_Raster raster );
1139
1140#define QT_FT_Raster_Done_Func QT_FT_Raster_DoneFunc
1141
1142 /*************************************************************************/
1143 /* */
1144 /* <FuncType> */
1145 /* QT_FT_Raster_ResetFunc */
1146 /* */
1147 /* <Description> */
1148 /* FreeType provides an area of memory called the `render pool', */
1149 /* available to all registered rasters. This pool can be freely used */
1150 /* during a given scan-conversion but is shared by all rasters. Its */
1151 /* content is thus transient. */
1152 /* */
1153 /* This function is called each time the render pool changes, or just */
1154 /* after a new raster object is created. */
1155 /* */
1156 /* <Input> */
1157 /* raster :: A handle to the new raster object. */
1158 /* */
1159 /* pool_base :: The address in memory of the render pool. */
1160 /* */
1161 /* pool_size :: The size in bytes of the render pool. */
1162 /* */
1163 /* <Note> */
1164 /* Rasters can ignore the render pool and rely on dynamic memory */
1165 /* allocation if they want to (a handle to the memory allocator is */
1166 /* passed to the raster constructor). However, this is not */
1167 /* recommended for efficiency purposes. */
1168 /* */
1169 typedef void
1170 (*QT_FT_Raster_ResetFunc)( QT_FT_Raster raster,
1171 unsigned char* pool_base,
1172 unsigned long pool_size );
1173
1174#define QT_FT_Raster_Reset_Func QT_FT_Raster_ResetFunc
1175
1176 /*************************************************************************/
1177 /* */
1178 /* <FuncType> */
1179 /* QT_FT_Raster_SetModeFunc */
1180 /* */
1181 /* <Description> */
1182 /* This function is a generic facility to change modes or attributes */
1183 /* in a given raster. This can be used for debugging purposes, or */
1184 /* simply to allow implementation-specific `features' in a given */
1185 /* raster module. */
1186 /* */
1187 /* <Input> */
1188 /* raster :: A handle to the new raster object. */
1189 /* */
1190 /* mode :: A 4-byte tag used to name the mode or property. */
1191 /* */
1192 /* args :: A pointer to the new mode/property to use. */
1193 /* */
1194 typedef int
1195 (*QT_FT_Raster_SetModeFunc)( QT_FT_Raster raster,
1196 unsigned long mode,
1197 void* args );
1198
1199#define QT_FT_Raster_Set_Mode_Func QT_FT_Raster_SetModeFunc
1200
1201 /*************************************************************************/
1202 /* */
1203 /* <FuncType> */
1204 /* QT_FT_Raster_RenderFunc */
1205 /* */
1206 /* <Description> */
1207 /* Invokes a given raster to scan-convert a given glyph image into a */
1208 /* target bitmap. */
1209 /* */
1210 /* <Input> */
1211 /* raster :: A handle to the raster object. */
1212 /* */
1213 /* params :: A pointer to a QT_FT_Raster_Params structure used to store */
1214 /* the rendering parameters. */
1215 /* */
1216 /* <Return> */
1217 /* Error code. 0 means success. */
1218 /* */
1219 /* <Note> */
1220 /* The exact format of the source image depends on the raster's glyph */
1221 /* format defined in its QT_FT_Raster_Funcs structure. It can be an */
1222 /* QT_FT_Outline or anything else in order to support a large array of */
1223 /* glyph formats. */
1224 /* */
1225 /* Note also that the render function can fail and return a */
1226 /* QT_FT_Err_Unimplemented_Feature error code if the raster used does */
1227 /* not support direct composition. */
1228 /* */
1229 /* XXX: For now, the standard raster doesn't support direct */
1230 /* composition but this should change for the final release (see */
1231 /* the files demos/src/ftgrays.c and demos/src/ftgrays2.c for */
1232 /* examples of distinct implementations which support direct */
1233 /* composition). */
1234 /* */
1235 typedef int
1236 (*QT_FT_Raster_RenderFunc)( QT_FT_Raster raster,
1237 QT_FT_Raster_Params* params );
1238
1239#define QT_FT_Raster_Render_Func QT_FT_Raster_RenderFunc
1240
1241 /*************************************************************************/
1242 /* */
1243 /* <Struct> */
1244 /* QT_FT_Raster_Funcs */
1245 /* */
1246 /* <Description> */
1247 /* A structure used to describe a given raster class to the library. */
1248 /* */
1249 /* <Fields> */
1250 /* glyph_format :: The supported glyph format for this raster. */
1251 /* */
1252 /* raster_new :: The raster constructor. */
1253 /* */
1254 /* raster_reset :: Used to reset the render pool within the raster. */
1255 /* */
1256 /* raster_render :: A function to render a glyph into a given bitmap. */
1257 /* */
1258 /* raster_done :: The raster destructor. */
1259 /* */
1260 typedef struct QT_FT_Raster_Funcs_
1261 {
1262 QT_FT_Glyph_Format glyph_format;
1263 QT_FT_Raster_NewFunc raster_new;
1264 QT_FT_Raster_ResetFunc raster_reset;
1265 QT_FT_Raster_SetModeFunc raster_set_mode;
1266 QT_FT_Raster_RenderFunc raster_render;
1267 QT_FT_Raster_DoneFunc raster_done;
1268
1269 } QT_FT_Raster_Funcs;
1270
1271
1272 /* */
1273
1274
1275QT_FT_END_HEADER
1276
1277#endif /* __FTIMAGE_H__ */
1278
1279
1280/* END */
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