Visualization Library 2.0.0-b5

A lightweight C++ OpenGL middleware for 2D/3D graphics

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ftglyph.h
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1 /***************************************************************************/
2 /* */
3 /* ftglyph.h */
4 /* */
5 /* FreeType convenience functions to handle glyphs (specification). */
6 /* */
7 /* Copyright 1996-2003, 2006, 2008, 2009, 2011 by */
8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
9 /* */
10 /* This file is part of the FreeType project, and may only be used, */
11 /* modified, and distributed under the terms of the FreeType project */
12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
13 /* this file you indicate that you have read the license and */
14 /* understand and accept it fully. */
15 /* */
16 /***************************************************************************/
17 
18 
19  /*************************************************************************/
20  /* */
21  /* This file contains the definition of several convenience functions */
22  /* that can be used by client applications to easily retrieve glyph */
23  /* bitmaps and outlines from a given face. */
24  /* */
25  /* These functions should be optional if you are writing a font server */
26  /* or text layout engine on top of FreeType. However, they are pretty */
27  /* handy for many other simple uses of the library. */
28  /* */
29  /*************************************************************************/
30 
31 
32 #ifndef __FTGLYPH_H__
33 #define __FTGLYPH_H__
34 
35 
36 #include <ft2build.h>
37 #include FT_FREETYPE_H
38 
39 #ifdef FREETYPE_H
40 #error "freetype.h of FreeType 1 has been loaded!"
41 #error "Please fix the directory search order for header files"
42 #error "so that freetype.h of FreeType 2 is found first."
43 #endif
44 
45 
46 FT_BEGIN_HEADER
47 
48 
49  /*************************************************************************/
50  /* */
51  /* <Section> */
52  /* glyph_management */
53  /* */
54  /* <Title> */
55  /* Glyph Management */
56  /* */
57  /* <Abstract> */
58  /* Generic interface to manage individual glyph data. */
59  /* */
60  /* <Description> */
61  /* This section contains definitions used to manage glyph data */
62  /* through generic FT_Glyph objects. Each of them can contain a */
63  /* bitmap, a vector outline, or even images in other formats. */
64  /* */
65  /*************************************************************************/
66 
67 
68  /* forward declaration to a private type */
69  typedef struct FT_Glyph_Class_ FT_Glyph_Class;
70 
71 
72  /*************************************************************************/
73  /* */
74  /* <Type> */
75  /* FT_Glyph */
76  /* */
77  /* <Description> */
78  /* Handle to an object used to model generic glyph images. It is a */
79  /* pointer to the @FT_GlyphRec structure and can contain a glyph */
80  /* bitmap or pointer. */
81  /* */
82  /* <Note> */
83  /* Glyph objects are not owned by the library. You must thus release */
84  /* them manually (through @FT_Done_Glyph) _before_ calling */
85  /* @FT_Done_FreeType. */
86  /* */
87  typedef struct FT_GlyphRec_* FT_Glyph;
88 
89 
90  /*************************************************************************/
91  /* */
92  /* <Struct> */
93  /* FT_GlyphRec */
94  /* */
95  /* <Description> */
96  /* The root glyph structure contains a given glyph image plus its */
97  /* advance width in 16.16 fixed-point format. */
98  /* */
99  /* <Fields> */
100  /* library :: A handle to the FreeType library object. */
101  /* */
102  /* clazz :: A pointer to the glyph's class. Private. */
103  /* */
104  /* format :: The format of the glyph's image. */
105  /* */
106  /* advance :: A 16.16 vector that gives the glyph's advance width. */
107  /* */
108  typedef struct FT_GlyphRec_
109  {
110  FT_Library library;
111  const FT_Glyph_Class* clazz;
112  FT_Glyph_Format format;
113  FT_Vector advance;
114 
115  } FT_GlyphRec;
116 
117 
118  /*************************************************************************/
119  /* */
120  /* <Type> */
121  /* FT_BitmapGlyph */
122  /* */
123  /* <Description> */
124  /* A handle to an object used to model a bitmap glyph image. This is */
125  /* a sub-class of @FT_Glyph, and a pointer to @FT_BitmapGlyphRec. */
126  /* */
127  typedef struct FT_BitmapGlyphRec_* FT_BitmapGlyph;
128 
129 
130  /*************************************************************************/
131  /* */
132  /* <Struct> */
133  /* FT_BitmapGlyphRec */
134  /* */
135  /* <Description> */
136  /* A structure used for bitmap glyph images. This really is a */
137  /* `sub-class' of @FT_GlyphRec. */
138  /* */
139  /* <Fields> */
140  /* root :: The root @FT_Glyph fields. */
141  /* */
142  /* left :: The left-side bearing, i.e., the horizontal distance */
143  /* from the current pen position to the left border of the */
144  /* glyph bitmap. */
145  /* */
146  /* top :: The top-side bearing, i.e., the vertical distance from */
147  /* the current pen position to the top border of the glyph */
148  /* bitmap. This distance is positive for upwards~y! */
149  /* */
150  /* bitmap :: A descriptor for the bitmap. */
151  /* */
152  /* <Note> */
153  /* You can typecast an @FT_Glyph to @FT_BitmapGlyph if you have */
154  /* `glyph->format == FT_GLYPH_FORMAT_BITMAP'. This lets you access */
155  /* the bitmap's contents easily. */
156  /* */
157  /* The corresponding pixel buffer is always owned by @FT_BitmapGlyph */
158  /* and is thus created and destroyed with it. */
159  /* */
160  typedef struct FT_BitmapGlyphRec_
161  {
162  FT_GlyphRec root;
163  FT_Int left;
164  FT_Int top;
165  FT_Bitmap bitmap;
166 
167  } FT_BitmapGlyphRec;
168 
169 
170  /*************************************************************************/
171  /* */
172  /* <Type> */
173  /* FT_OutlineGlyph */
174  /* */
175  /* <Description> */
176  /* A handle to an object used to model an outline glyph image. This */
177  /* is a sub-class of @FT_Glyph, and a pointer to @FT_OutlineGlyphRec. */
178  /* */
179  typedef struct FT_OutlineGlyphRec_* FT_OutlineGlyph;
180 
181 
182  /*************************************************************************/
183  /* */
184  /* <Struct> */
185  /* FT_OutlineGlyphRec */
186  /* */
187  /* <Description> */
188  /* A structure used for outline (vectorial) glyph images. This */
189  /* really is a `sub-class' of @FT_GlyphRec. */
190  /* */
191  /* <Fields> */
192  /* root :: The root @FT_Glyph fields. */
193  /* */
194  /* outline :: A descriptor for the outline. */
195  /* */
196  /* <Note> */
197  /* You can typecast an @FT_Glyph to @FT_OutlineGlyph if you have */
198  /* `glyph->format == FT_GLYPH_FORMAT_OUTLINE'. This lets you access */
199  /* the outline's content easily. */
200  /* */
201  /* As the outline is extracted from a glyph slot, its coordinates are */
202  /* expressed normally in 26.6 pixels, unless the flag */
203  /* @FT_LOAD_NO_SCALE was used in @FT_Load_Glyph() or @FT_Load_Char(). */
204  /* */
205  /* The outline's tables are always owned by the object and are */
206  /* destroyed with it. */
207  /* */
208  typedef struct FT_OutlineGlyphRec_
209  {
210  FT_GlyphRec root;
211  FT_Outline outline;
212 
213  } FT_OutlineGlyphRec;
214 
215 
216  /*************************************************************************/
217  /* */
218  /* <Function> */
219  /* FT_Get_Glyph */
220  /* */
221  /* <Description> */
222  /* A function used to extract a glyph image from a slot. Note that */
223  /* the created @FT_Glyph object must be released with @FT_Done_Glyph. */
224  /* */
225  /* <Input> */
226  /* slot :: A handle to the source glyph slot. */
227  /* */
228  /* <Output> */
229  /* aglyph :: A handle to the glyph object. */
230  /* */
231  /* <Return> */
232  /* FreeType error code. 0~means success. */
233  /* */
234  FT_EXPORT( FT_Error )
235  FT_Get_Glyph( FT_GlyphSlot slot,
236  FT_Glyph *aglyph );
237 
238 
239  /*************************************************************************/
240  /* */
241  /* <Function> */
242  /* FT_Glyph_Copy */
243  /* */
244  /* <Description> */
245  /* A function used to copy a glyph image. Note that the created */
246  /* @FT_Glyph object must be released with @FT_Done_Glyph. */
247  /* */
248  /* <Input> */
249  /* source :: A handle to the source glyph object. */
250  /* */
251  /* <Output> */
252  /* target :: A handle to the target glyph object. 0~in case of */
253  /* error. */
254  /* */
255  /* <Return> */
256  /* FreeType error code. 0~means success. */
257  /* */
258  FT_EXPORT( FT_Error )
259  FT_Glyph_Copy( FT_Glyph source,
260  FT_Glyph *target );
261 
262 
263  /*************************************************************************/
264  /* */
265  /* <Function> */
266  /* FT_Glyph_Transform */
267  /* */
268  /* <Description> */
269  /* Transform a glyph image if its format is scalable. */
270  /* */
271  /* <InOut> */
272  /* glyph :: A handle to the target glyph object. */
273  /* */
274  /* <Input> */
275  /* matrix :: A pointer to a 2x2 matrix to apply. */
276  /* */
277  /* delta :: A pointer to a 2d vector to apply. Coordinates are */
278  /* expressed in 1/64th of a pixel. */
279  /* */
280  /* <Return> */
281  /* FreeType error code (if not 0, the glyph format is not scalable). */
282  /* */
283  /* <Note> */
284  /* The 2x2 transformation matrix is also applied to the glyph's */
285  /* advance vector. */
286  /* */
287  FT_EXPORT( FT_Error )
288  FT_Glyph_Transform( FT_Glyph glyph,
289  FT_Matrix* matrix,
290  FT_Vector* delta );
291 
292 
293  /*************************************************************************/
294  /* */
295  /* <Enum> */
296  /* FT_Glyph_BBox_Mode */
297  /* */
298  /* <Description> */
299  /* The mode how the values of @FT_Glyph_Get_CBox are returned. */
300  /* */
301  /* <Values> */
302  /* FT_GLYPH_BBOX_UNSCALED :: */
303  /* Return unscaled font units. */
304  /* */
305  /* FT_GLYPH_BBOX_SUBPIXELS :: */
306  /* Return unfitted 26.6 coordinates. */
307  /* */
308  /* FT_GLYPH_BBOX_GRIDFIT :: */
309  /* Return grid-fitted 26.6 coordinates. */
310  /* */
311  /* FT_GLYPH_BBOX_TRUNCATE :: */
312  /* Return coordinates in integer pixels. */
313  /* */
314  /* FT_GLYPH_BBOX_PIXELS :: */
315  /* Return grid-fitted pixel coordinates. */
316  /* */
317  typedef enum FT_Glyph_BBox_Mode_
318  {
319  FT_GLYPH_BBOX_UNSCALED = 0,
320  FT_GLYPH_BBOX_SUBPIXELS = 0,
321  FT_GLYPH_BBOX_GRIDFIT = 1,
322  FT_GLYPH_BBOX_TRUNCATE = 2,
323  FT_GLYPH_BBOX_PIXELS = 3
324 
325  } FT_Glyph_BBox_Mode;
326 
327 
328  /*************************************************************************/
329  /* */
330  /* <Enum> */
331  /* ft_glyph_bbox_xxx */
332  /* */
333  /* <Description> */
334  /* These constants are deprecated. Use the corresponding */
335  /* @FT_Glyph_BBox_Mode values instead. */
336  /* */
337  /* <Values> */
338  /* ft_glyph_bbox_unscaled :: See @FT_GLYPH_BBOX_UNSCALED. */
339  /* ft_glyph_bbox_subpixels :: See @FT_GLYPH_BBOX_SUBPIXELS. */
340  /* ft_glyph_bbox_gridfit :: See @FT_GLYPH_BBOX_GRIDFIT. */
341  /* ft_glyph_bbox_truncate :: See @FT_GLYPH_BBOX_TRUNCATE. */
342  /* ft_glyph_bbox_pixels :: See @FT_GLYPH_BBOX_PIXELS. */
343  /* */
344 #define ft_glyph_bbox_unscaled FT_GLYPH_BBOX_UNSCALED
345 #define ft_glyph_bbox_subpixels FT_GLYPH_BBOX_SUBPIXELS
346 #define ft_glyph_bbox_gridfit FT_GLYPH_BBOX_GRIDFIT
347 #define ft_glyph_bbox_truncate FT_GLYPH_BBOX_TRUNCATE
348 #define ft_glyph_bbox_pixels FT_GLYPH_BBOX_PIXELS
349 
350 
351  /*************************************************************************/
352  /* */
353  /* <Function> */
354  /* FT_Glyph_Get_CBox */
355  /* */
356  /* <Description> */
357  /* Return a glyph's `control box'. The control box encloses all the */
358  /* outline's points, including Bézier control points. Though it */
359  /* coincides with the exact bounding box for most glyphs, it can be */
360  /* slightly larger in some situations (like when rotating an outline */
361  /* which contains Bézier outside arcs). */
362  /* */
363  /* Computing the control box is very fast, while getting the bounding */
364  /* box can take much more time as it needs to walk over all segments */
365  /* and arcs in the outline. To get the latter, you can use the */
366  /* `ftbbox' component which is dedicated to this single task. */
367  /* */
368  /* <Input> */
369  /* glyph :: A handle to the source glyph object. */
370  /* */
371  /* mode :: The mode which indicates how to interpret the returned */
372  /* bounding box values. */
373  /* */
374  /* <Output> */
375  /* acbox :: The glyph coordinate bounding box. Coordinates are */
376  /* expressed in 1/64th of pixels if it is grid-fitted. */
377  /* */
378  /* <Note> */
379  /* Coordinates are relative to the glyph origin, using the y~upwards */
380  /* convention. */
381  /* */
382  /* If the glyph has been loaded with @FT_LOAD_NO_SCALE, `bbox_mode' */
383  /* must be set to @FT_GLYPH_BBOX_UNSCALED to get unscaled font */
384  /* units in 26.6 pixel format. The value @FT_GLYPH_BBOX_SUBPIXELS */
385  /* is another name for this constant. */
386  /* */
387  /* If the font is tricky and the glyph has been loaded with */
388  /* @FT_LOAD_NO_SCALE, the resulting CBox is meaningless. To get */
389  /* reasonable values for the CBox it is necessary to load the glyph */
390  /* at a large ppem value (so that the hinting instructions can */
391  /* properly shift and scale the subglyphs), then extracting the CBox */
392  /* which can be eventually converted back to font units. */
393  /* */
394  /* Note that the maximum coordinates are exclusive, which means that */
395  /* one can compute the width and height of the glyph image (be it in */
396  /* integer or 26.6 pixels) as: */
397  /* */
398  /* { */
399  /* width = bbox.xMax - bbox.xMin; */
400  /* height = bbox.yMax - bbox.yMin; */
401  /* } */
402  /* */
403  /* Note also that for 26.6 coordinates, if `bbox_mode' is set to */
404  /* @FT_GLYPH_BBOX_GRIDFIT, the coordinates will also be grid-fitted, */
405  /* which corresponds to: */
406  /* */
407  /* { */
408  /* bbox.xMin = FLOOR(bbox.xMin); */
409  /* bbox.yMin = FLOOR(bbox.yMin); */
410  /* bbox.xMax = CEILING(bbox.xMax); */
411  /* bbox.yMax = CEILING(bbox.yMax); */
412  /* } */
413  /* */
414  /* To get the bbox in pixel coordinates, set `bbox_mode' to */
415  /* @FT_GLYPH_BBOX_TRUNCATE. */
416  /* */
417  /* To get the bbox in grid-fitted pixel coordinates, set `bbox_mode' */
418  /* to @FT_GLYPH_BBOX_PIXELS. */
419  /* */
420  FT_EXPORT( void )
421  FT_Glyph_Get_CBox( FT_Glyph glyph,
422  FT_UInt bbox_mode,
423  FT_BBox *acbox );
424 
425 
426  /*************************************************************************/
427  /* */
428  /* <Function> */
429  /* FT_Glyph_To_Bitmap */
430  /* */
431  /* <Description> */
432  /* Convert a given glyph object to a bitmap glyph object. */
433  /* */
434  /* <InOut> */
435  /* the_glyph :: A pointer to a handle to the target glyph. */
436  /* */
437  /* <Input> */
438  /* render_mode :: An enumeration that describes how the data is */
439  /* rendered. */
440  /* */
441  /* origin :: A pointer to a vector used to translate the glyph */
442  /* image before rendering. Can be~0 (if no */
443  /* translation). The origin is expressed in */
444  /* 26.6 pixels. */
445  /* */
446  /* destroy :: A boolean that indicates that the original glyph */
447  /* image should be destroyed by this function. It is */
448  /* never destroyed in case of error. */
449  /* */
450  /* <Return> */
451  /* FreeType error code. 0~means success. */
452  /* */
453  /* <Note> */
454  /* This function does nothing if the glyph format isn't scalable. */
455  /* */
456  /* The glyph image is translated with the `origin' vector before */
457  /* rendering. */
458  /* */
459  /* The first parameter is a pointer to an @FT_Glyph handle, that will */
460  /* be _replaced_ by this function (with newly allocated data). */
461  /* Typically, you would use (omitting error handling): */
462  /* */
463  /* */
464  /* { */
465  /* FT_Glyph glyph; */
466  /* FT_BitmapGlyph glyph_bitmap; */
467  /* */
468  /* */
469  /* // load glyph */
470  /* error = FT_Load_Char( face, glyph_index, FT_LOAD_DEFAUT ); */
471  /* */
472  /* // extract glyph image */
473  /* error = FT_Get_Glyph( face->glyph, &glyph ); */
474  /* */
475  /* // convert to a bitmap (default render mode + destroying old) */
476  /* if ( glyph->format != FT_GLYPH_FORMAT_BITMAP ) */
477  /* { */
478  /* error = FT_Glyph_To_Bitmap( &glyph, FT_RENDER_MODE_NORMAL, */
479  /* 0, 1 ); */
480  /* if ( error ) // `glyph' unchanged */
481  /* ... */
482  /* } */
483  /* */
484  /* // access bitmap content by typecasting */
485  /* glyph_bitmap = (FT_BitmapGlyph)glyph; */
486  /* */
487  /* // do funny stuff with it, like blitting/drawing */
488  /* ... */
489  /* */
490  /* // discard glyph image (bitmap or not) */
491  /* FT_Done_Glyph( glyph ); */
492  /* } */
493  /* */
494  /* */
495  /* Here another example, again without error handling: */
496  /* */
497  /* */
498  /* { */
499  /* FT_Glyph glyphs[MAX_GLYPHS] */
500  /* */
501  /* */
502  /* ... */
503  /* */
504  /* for ( idx = 0; i < MAX_GLYPHS; i++ ) */
505  /* error = FT_Load_Glyph( face, idx, FT_LOAD_DEFAULT ) || */
506  /* FT_Get_Glyph ( face->glyph, &glyph[idx] ); */
507  /* */
508  /* ... */
509  /* */
510  /* for ( idx = 0; i < MAX_GLYPHS; i++ ) */
511  /* { */
512  /* FT_Glyph bitmap = glyphs[idx]; */
513  /* */
514  /* */
515  /* ... */
516  /* */
517  /* // after this call, `bitmap' no longer points into */
518  /* // the `glyphs' array (and the old value isn't destroyed) */
519  /* FT_Glyph_To_Bitmap( &bitmap, FT_RENDER_MODE_MONO, 0, 0 ); */
520  /* */
521  /* ... */
522  /* */
523  /* FT_Done_Glyph( bitmap ); */
524  /* } */
525  /* */
526  /* ... */
527  /* */
528  /* for ( idx = 0; i < MAX_GLYPHS; i++ ) */
529  /* FT_Done_Glyph( glyphs[idx] ); */
530  /* } */
531  /* */
532  FT_EXPORT( FT_Error )
533  FT_Glyph_To_Bitmap( FT_Glyph* the_glyph,
534  FT_Render_Mode render_mode,
535  FT_Vector* origin,
536  FT_Bool destroy );
537 
538 
539  /*************************************************************************/
540  /* */
541  /* <Function> */
542  /* FT_Done_Glyph */
543  /* */
544  /* <Description> */
545  /* Destroy a given glyph. */
546  /* */
547  /* <Input> */
548  /* glyph :: A handle to the target glyph object. */
549  /* */
550  FT_EXPORT( void )
551  FT_Done_Glyph( FT_Glyph glyph );
552 
553  /* */
554 
555 
556  /* other helpful functions */
557 
558  /*************************************************************************/
559  /* */
560  /* <Section> */
561  /* computations */
562  /* */
563  /*************************************************************************/
564 
565 
566  /*************************************************************************/
567  /* */
568  /* <Function> */
569  /* FT_Matrix_Multiply */
570  /* */
571  /* <Description> */
572  /* Perform the matrix operation `b = a*b'. */
573  /* */
574  /* <Input> */
575  /* a :: A pointer to matrix `a'. */
576  /* */
577  /* <InOut> */
578  /* b :: A pointer to matrix `b'. */
579  /* */
580  /* <Note> */
581  /* The result is undefined if either `a' or `b' is zero. */
582  /* */
583  FT_EXPORT( void )
584  FT_Matrix_Multiply( const FT_Matrix* a,
585  FT_Matrix* b );
586 
587 
588  /*************************************************************************/
589  /* */
590  /* <Function> */
591  /* FT_Matrix_Invert */
592  /* */
593  /* <Description> */
594  /* Invert a 2x2 matrix. Return an error if it can't be inverted. */
595  /* */
596  /* <InOut> */
597  /* matrix :: A pointer to the target matrix. Remains untouched in */
598  /* case of error. */
599  /* */
600  /* <Return> */
601  /* FreeType error code. 0~means success. */
602  /* */
603  FT_EXPORT( FT_Error )
604  FT_Matrix_Invert( FT_Matrix* matrix );
605 
606 
607  /* */
608 
609 
610 FT_END_HEADER
611 
612 #endif /* __FTGLYPH_H__ */
613 
614 
615 /* END */
616 
617 
618 /* Local Variables: */
619 /* coding: utf-8 */
620 /* End: */
FT_Error
int FT_Error
Definition: fttypes.h:296
FT_GlyphRec_::clazz
const FT_Glyph_Class * clazz
Definition: ftglyph.h:111
FT_OutlineGlyph
struct FT_OutlineGlyphRec_ * FT_OutlineGlyph
Definition: ftglyph.h:179
FT_GlyphSlotRec_
Definition: freetype.h:1612
a
GLboolean GLboolean GLboolean GLboolean a
Definition: khronos_glext.h:6198
FT_Glyph_Class
typedefFT_BEGIN_HEADER struct FT_Glyph_Class_ FT_Glyph_Class
Definition: ftglyph.h:69
FT_END_HEADER
#define FT_END_HEADER
Definition: ftheader.h:54
FT_BitmapGlyphRec_::bitmap
FT_Bitmap bitmap
Definition: ftglyph.h:165
FT_Int
signed int FT_Int
Definition: fttypes.h:216
FT_Render_Mode
enum FT_Render_Mode_ FT_Render_Mode
FT_Matrix_
Definition: fttypes.h:381
source
GLsizei GLsizei GLchar * source
Definition: khronos_glext.h:6042
origin
voidpf uLong int origin
Definition: ioapi.h:142
FT_Glyph_Copy
FT_Glyph_Copy(FT_Glyph source, FT_Glyph *target)
Definition: ftglyph.c:308
FT_Outline_
Definition: ftimage.h:383
FT_Matrix_Multiply
FT_Matrix_Multiply(const FT_Matrix *a, FT_Matrix *b)
Definition: ftcalc.c:752
b
GLboolean GLboolean GLboolean b
Definition: khronos_glext.h:6198
FT_BitmapGlyph
struct FT_BitmapGlyphRec_ * FT_BitmapGlyph
Definition: ftglyph.h:127
FT_Bool
FT_BEGIN_HEADER typedef unsigned char FT_Bool
Definition: fttypes.h:104
FT_Glyph_BBox_Mode_
FT_Glyph_BBox_Mode_
Definition: ftglyph.h:317
FT_Glyph_Transform
FT_Glyph_Transform(FT_Glyph glyph, FT_Matrix *matrix, FT_Vector *delta)
Definition: ftglyph.c:423
FT_BitmapGlyphRec
struct FT_BitmapGlyphRec_ FT_BitmapGlyphRec
FT_BEGIN_HEADER
#define FT_BEGIN_HEADER
Definition: ftheader.h:36
FT_Glyph
struct FT_GlyphRec_ * FT_Glyph
Definition: ftglyph.h:87
FT_GlyphRec_::library
FT_Library library
Definition: ftglyph.h:110
FT_OutlineGlyphRec_::outline
FT_Outline outline
Definition: ftglyph.h:211
FT_BitmapGlyphRec_::left
FT_Int left
Definition: ftglyph.h:163
FT_GlyphRec
struct FT_GlyphRec_ FT_GlyphRec
FT_BitmapGlyphRec_::top
FT_Int top
Definition: ftglyph.h:164
FT_Bitmap_
Definition: ftimage.h:310
FT_OutlineGlyphRec_::root
FT_GlyphRec root
Definition: ftglyph.h:210
FT_GlyphRec_
Definition: ftglyph.h:108
FT_BitmapGlyphRec_
Definition: ftglyph.h:160
FT_Vector_
Definition: ftimage.h:75
FT_Glyph_To_Bitmap
FT_Glyph_To_Bitmap(FT_Glyph *the_glyph, FT_Render_Mode render_mode, FT_Vector *origin, FT_Bool destroy)
Definition: ftglyph.c:507
FT_LibraryRec_
Definition: ftobjs.h:858
FT_Get_Glyph
FT_Get_Glyph(FT_GlyphSlot slot, FT_Glyph *aglyph)
Definition: ftglyph.c:355
FT_BitmapGlyphRec_::root
FT_GlyphRec root
Definition: ftglyph.h:162
FT_GlyphRec_::format
FT_Glyph_Format format
Definition: ftglyph.h:112
FT_OutlineGlyphRec
struct FT_OutlineGlyphRec_ FT_OutlineGlyphRec
FT_OutlineGlyphRec_
Definition: ftglyph.h:208
FT_UInt
unsigned int FT_UInt
Definition: fttypes.h:227
target
GLenum target
Definition: khronos_glext.h:7309
FT_EXPORT
#define FT_EXPORT(x)
Definition: ftconfig.h:269
FT_Glyph_Format
enum FT_Glyph_Format_ FT_Glyph_Format
FT_Glyph_Class_
Definition: ftrender.h:74
FT_Glyph_Get_CBox
FT_Glyph_Get_CBox(FT_Glyph glyph, FT_UInt bbox_mode, FT_BBox *acbox)
Definition: ftglyph.c:455
FT_Matrix_Invert
FT_Matrix_Invert(FT_Matrix *matrix)
Definition: ftcalc.c:774
FT_BBox_
Definition: ftimage.h:116
FT_Done_Glyph
FT_Done_Glyph(FT_Glyph glyph)
Definition: ftglyph.c:613
matrix
GLuint GLenum matrix
Definition: khronos_glext.h:9401
FT_Glyph_BBox_Mode
enum FT_Glyph_BBox_Mode_ FT_Glyph_BBox_Mode
FT_GlyphRec_::advance
FT_Vector advance
Definition: ftglyph.h:113

Visualization Library 2.0.0-b5 Reference Documentation

Updated on Mon Feb 10 2020 02:44:39.

© Copyright Michele Bosi. All rights reserved.