ReactOS  0.4.15-dev-1033-gd7d716a
ftglyph.h File Reference
#include <ft2build.h>
Include dependency graph for ftglyph.h:

Go to the source code of this file.

Classes

struct  FT_GlyphRec_
 
struct  FT_BitmapGlyphRec_
 
struct  FT_OutlineGlyphRec_
 

Macros

#define ft_glyph_bbox_unscaled   FT_GLYPH_BBOX_UNSCALED
 
#define ft_glyph_bbox_subpixels   FT_GLYPH_BBOX_SUBPIXELS
 
#define ft_glyph_bbox_gridfit   FT_GLYPH_BBOX_GRIDFIT
 
#define ft_glyph_bbox_truncate   FT_GLYPH_BBOX_TRUNCATE
 
#define ft_glyph_bbox_pixels   FT_GLYPH_BBOX_PIXELS
 

Typedefs

typedef typedefFT_BEGIN_HEADER struct FT_Glyph_Class_ FT_Glyph_Class
 
typedef struct FT_GlyphRec_FT_Glyph
 
typedef struct FT_GlyphRec_ FT_GlyphRec
 
typedef struct FT_BitmapGlyphRec_FT_BitmapGlyph
 
typedef struct FT_BitmapGlyphRec_ FT_BitmapGlyphRec
 
typedef struct FT_OutlineGlyphRec_FT_OutlineGlyph
 
typedef struct FT_OutlineGlyphRec_ FT_OutlineGlyphRec
 
typedef enum FT_Glyph_BBox_Mode_ FT_Glyph_BBox_Mode
 

Enumerations

enum  FT_Glyph_BBox_Mode_ {
  FT_GLYPH_BBOX_UNSCALED = 0, FT_GLYPH_BBOX_SUBPIXELS = 0, FT_GLYPH_BBOX_GRIDFIT = 1, FT_GLYPH_BBOX_TRUNCATE = 2,
  FT_GLYPH_BBOX_PIXELS = 3
}
 

Functions

 FT_Get_Glyph (FT_GlyphSlot slot, FT_Glyph *aglyph)
 
 FT_Glyph_Copy (FT_Glyph source, FT_Glyph *target)
 
 FT_Glyph_Transform (FT_Glyph glyph, FT_Matrix *matrix, FT_Vector *delta)
 
 FT_Glyph_Get_CBox (FT_Glyph glyph, FT_UInt bbox_mode, FT_BBox *acbox)
 
 FT_Glyph_To_Bitmap (FT_Glyph *the_glyph, FT_Render_Mode render_mode, FT_Vector *origin, FT_Bool destroy)
 
 FT_Done_Glyph (FT_Glyph glyph)
 
 FT_Matrix_Multiply (const FT_Matrix *a, FT_Matrix *b)
 
 FT_Matrix_Invert (FT_Matrix *matrix)
 

Macro Definition Documentation

◆ ft_glyph_bbox_gridfit

#define ft_glyph_bbox_gridfit   FT_GLYPH_BBOX_GRIDFIT

Definition at line 338 of file ftglyph.h.

◆ ft_glyph_bbox_pixels

#define ft_glyph_bbox_pixels   FT_GLYPH_BBOX_PIXELS

Definition at line 340 of file ftglyph.h.

◆ ft_glyph_bbox_subpixels

#define ft_glyph_bbox_subpixels   FT_GLYPH_BBOX_SUBPIXELS

Definition at line 337 of file ftglyph.h.

◆ ft_glyph_bbox_truncate

#define ft_glyph_bbox_truncate   FT_GLYPH_BBOX_TRUNCATE

Definition at line 339 of file ftglyph.h.

◆ ft_glyph_bbox_unscaled

#define ft_glyph_bbox_unscaled   FT_GLYPH_BBOX_UNSCALED

Definition at line 336 of file ftglyph.h.

Typedef Documentation

◆ FT_BitmapGlyph

Definition at line 127 of file ftglyph.h.

◆ FT_BitmapGlyphRec

◆ FT_Glyph

Definition at line 87 of file ftglyph.h.

◆ FT_Glyph_BBox_Mode

◆ FT_Glyph_Class

typedef typedefFT_BEGIN_HEADER struct FT_Glyph_Class_ FT_Glyph_Class

Definition at line 69 of file ftglyph.h.

◆ FT_GlyphRec

◆ FT_OutlineGlyph

Definition at line 179 of file ftglyph.h.

◆ FT_OutlineGlyphRec

Enumeration Type Documentation

◆ FT_Glyph_BBox_Mode_

Enumerator
FT_GLYPH_BBOX_UNSCALED 
FT_GLYPH_BBOX_SUBPIXELS 
FT_GLYPH_BBOX_GRIDFIT 
FT_GLYPH_BBOX_TRUNCATE 
FT_GLYPH_BBOX_PIXELS 

Definition at line 323 of file ftglyph.h.

Function Documentation

◆ FT_Done_Glyph()

FT_Done_Glyph ( FT_Glyph  glyph)

Definition at line 633 of file ftglyph.c.

634  {
635  if ( glyph )
636  {
637  FT_Memory memory = glyph->library->memory;
638  const FT_Glyph_Class* clazz = glyph->clazz;
639 
640 
641  if ( clazz->glyph_done )
642  clazz->glyph_done( glyph );
643 
644  FT_FREE( glyph );
645  }
646  }
const FT_Glyph_Class * clazz
Definition: ftglyph.h:111
FT_Memory memory
Definition: ftobjs.h:918
typedefFT_BEGIN_HEADER struct FT_Glyph_Class_ FT_Glyph_Class
Definition: ftglyph.h:69
FT_Library library
Definition: ftglyph.h:110
static char memory[1024 *256]
Definition: process.c:116
#define FT_FREE(ptr)
Definition: ftmemory.h:329
typedefFT_BEGIN_HEADER struct FT_MemoryRec_ * FT_Memory
Definition: ftsystem.h:66

Referenced by FT_Get_Glyph(), FT_Glyph_Copy(), FT_Glyph_Stroke(), FT_Glyph_StrokeBorder(), FT_Glyph_To_Bitmap(), ftc_inode_free(), ftGdiGlyphCacheSet(), ftGdiGlyphSet(), IntExtTextOutW(), RemoveCachedEntry(), and TextIntGetTextExtentPoint().

◆ FT_Get_Glyph()

FT_Get_Glyph ( FT_GlyphSlot  slot,
FT_Glyph aglyph 
)

Definition at line 363 of file ftglyph.c.

365  {
367  FT_Error error;
368  FT_Glyph glyph;
369 
370  const FT_Glyph_Class* clazz = NULL;
371 
372 
373  if ( !slot )
374  return FT_THROW( Invalid_Slot_Handle );
375 
376  library = slot->library;
377 
378  if ( !aglyph )
379  return FT_THROW( Invalid_Argument );
380 
381  /* if it is a bitmap, that's easy :-) */
382  if ( slot->format == FT_GLYPH_FORMAT_BITMAP )
384 
385  /* if it is an outline */
386  else if ( slot->format == FT_GLYPH_FORMAT_OUTLINE )
388 
389  else
390  {
391  /* try to find a renderer that supports the glyph image format */
393 
394 
395  if ( render )
396  clazz = &render->glyph_class;
397  }
398 
399  if ( !clazz )
400  {
401  error = FT_THROW( Invalid_Glyph_Format );
402  goto Exit;
403  }
404 
405  /* create FT_Glyph object */
406  error = ft_new_glyph( library, clazz, &glyph );
407  if ( error )
408  goto Exit;
409 
410  /* copy advance while converting 26.6 to 16.16 format */
411  if ( slot->advance.x >= 0x8000L * 64 ||
412  slot->advance.x <= -0x8000L * 64 )
413  {
414  FT_ERROR(( "FT_Get_Glyph: advance width too large\n" ));
415  error = FT_THROW( Invalid_Argument );
416  goto Exit2;
417  }
418  if ( slot->advance.y >= 0x8000L * 64 ||
419  slot->advance.y <= -0x8000L * 64 )
420  {
421  FT_ERROR(( "FT_Get_Glyph: advance height too large\n" ));
422  error = FT_THROW( Invalid_Argument );
423  goto Exit2;
424  }
425 
426  glyph->advance.x = slot->advance.x * 1024;
427  glyph->advance.y = slot->advance.y * 1024;
428 
429  /* now import the image from the glyph slot */
430  error = clazz->glyph_init( glyph, slot );
431 
432  Exit2:
433  /* if an error occurred, destroy the glyph */
434  if ( error )
435  FT_Done_Glyph( glyph );
436  else
437  *aglyph = glyph;
438 
439  Exit:
440  return error;
441  }
int FT_Error
Definition: fttypes.h:300
FT_Pos y
Definition: ftimage.h:77
typedefFT_BEGIN_HEADER struct FT_Glyph_Class_ FT_Glyph_Class
Definition: ftglyph.h:69
#define error(str)
Definition: mkdosfs.c:1605
FT_Pos x
Definition: ftimage.h:76
FT_Library library
Definition: cffdrivr.c:654
FT_Lookup_Renderer(FT_Library library, FT_Glyph_Format format, FT_ListNode *node)
Definition: ftobjs.c:4264
FT_Done_Glyph(FT_Glyph glyph)
Definition: ftglyph.c:633
#define FT_ERROR(varformat)
Definition: ftdebug.h:181
#define FT_THROW(e)
Definition: ftdebug.h:213
smooth NULL
Definition: ftsmooth.c:416
smooth FT_Module_Constructor FT_Module_Destructor FT_Module_Requester FT_GLYPH_FORMAT_OUTLINE
Definition: ftsmooth.c:416
static void Exit(void)
Definition: sock.c:1331
static void render(void)
Definition: ssstars.c:272
#define FT_BITMAP_GLYPH_CLASS_GET
Definition: basepic.h:29
Definition: vfat.h:184
#define FT_OUTLINE_GLYPH_CLASS_GET
Definition: basepic.h:28
FT_Vector advance
Definition: ftglyph.h:113

Referenced by ftc_basic_family_load_glyph(), ftGdiGlyphCacheSet(), and ftGdiGlyphSet().

◆ FT_Glyph_Copy()

FT_Glyph_Copy ( FT_Glyph  source,
FT_Glyph target 
)

Definition at line 316 of file ftglyph.c.

318  {
319  FT_Glyph copy;
320  FT_Error error;
321  const FT_Glyph_Class* clazz;
322 
323 
324  /* check arguments */
325  if ( !target || !source || !source->clazz )
326  {
327  error = FT_THROW( Invalid_Argument );
328  goto Exit;
329  }
330 
331  *target = NULL;
332 
333  if ( !source || !source->clazz )
334  {
335  error = FT_THROW( Invalid_Argument );
336  goto Exit;
337  }
338 
339  clazz = source->clazz;
340  error = ft_new_glyph( source->library, clazz, &copy );
341  if ( error )
342  goto Exit;
343 
344  copy->advance = source->advance;
345  copy->format = source->format;
346 
347  if ( clazz->glyph_copy )
348  error = clazz->glyph_copy( source, copy );
349 
350  if ( error )
351  FT_Done_Glyph( copy );
352  else
353  *target = copy;
354 
355  Exit:
356  return error;
357  }
int FT_Error
Definition: fttypes.h:300
typedefFT_BEGIN_HEADER struct FT_Glyph_Class_ FT_Glyph_Class
Definition: ftglyph.h:69
#define error(str)
Definition: mkdosfs.c:1605
FT_Done_Glyph(FT_Glyph glyph)
Definition: ftglyph.c:633
#define FT_THROW(e)
Definition: ftdebug.h:213
smooth NULL
Definition: ftsmooth.c:416
static void Exit(void)
Definition: sock.c:1331
INT copy(TCHAR source[MAX_PATH], TCHAR dest[MAX_PATH], INT append, DWORD lpdwFlags, BOOL bTouch)
Definition: copy.c:51
GLenum target
Definition: glext.h:7315

Referenced by FT_Glyph_Stroke(), and FT_Glyph_StrokeBorder().

◆ FT_Glyph_Get_CBox()

FT_Glyph_Get_CBox ( FT_Glyph  glyph,
FT_UInt  bbox_mode,
FT_BBox acbox 
)

Definition at line 480 of file ftglyph.c.

483  {
484  const FT_Glyph_Class* clazz;
485 
486 
487  if ( !acbox )
488  return;
489 
490  acbox->xMin = acbox->yMin = acbox->xMax = acbox->yMax = 0;
491 
492  if ( !glyph || !glyph->clazz )
493  return;
494 
495  clazz = glyph->clazz;
496  if ( !clazz->glyph_bbox )
497  return;
498 
499  /* retrieve bbox in 26.6 coordinates */
500  clazz->glyph_bbox( glyph, acbox );
501 
502  /* perform grid fitting if needed */
503  if ( bbox_mode == FT_GLYPH_BBOX_GRIDFIT ||
504  bbox_mode == FT_GLYPH_BBOX_PIXELS )
505  {
506  acbox->xMin = FT_PIX_FLOOR( acbox->xMin );
507  acbox->yMin = FT_PIX_FLOOR( acbox->yMin );
508  acbox->xMax = FT_PIX_CEIL( acbox->xMax );
509  acbox->yMax = FT_PIX_CEIL( acbox->yMax );
510  }
511 
512  /* convert to integer pixels if needed */
513  if ( bbox_mode == FT_GLYPH_BBOX_TRUNCATE ||
514  bbox_mode == FT_GLYPH_BBOX_PIXELS )
515  {
516  acbox->xMin >>= 6;
517  acbox->yMin >>= 6;
518  acbox->xMax >>= 6;
519  acbox->yMax >>= 6;
520  }
521  }
#define FT_PIX_CEIL(x)
Definition: ftobjs.h:94
const FT_Glyph_Class * clazz
Definition: ftglyph.h:111
typedefFT_BEGIN_HEADER struct FT_Glyph_Class_ FT_Glyph_Class
Definition: ftglyph.h:69
FT_Pos yMax
Definition: ftimage.h:118
#define FT_PIX_FLOOR(x)
Definition: ftobjs.h:92
FT_Pos xMin
Definition: ftimage.h:117
FT_Pos xMax
Definition: ftimage.h:118
FT_Pos yMin
Definition: ftimage.h:117

◆ FT_Glyph_To_Bitmap()

FT_Glyph_To_Bitmap ( FT_Glyph the_glyph,
FT_Render_Mode  render_mode,
FT_Vector origin,
FT_Bool  destroy 
)

Definition at line 527 of file ftglyph.c.

531  {
533  FT_GlyphSlot_InternalRec dummy_internal;
535  FT_Glyph b, glyph;
537  const FT_Glyph_Class* clazz;
538 
539  /* FT_BITMAP_GLYPH_CLASS_GET dereferences `library' in PIC mode */
541 
542 
543  /* check argument */
544  if ( !the_glyph )
545  goto Bad;
546  glyph = *the_glyph;
547  if ( !glyph )
548  goto Bad;
549 
550  clazz = glyph->clazz;
551  library = glyph->library;
552  if ( !library || !clazz )
553  goto Bad;
554 
555  /* when called with a bitmap glyph, do nothing and return successfully */
556  if ( clazz == FT_BITMAP_GLYPH_CLASS_GET )
557  goto Exit;
558 
559  if ( !clazz->glyph_prepare )
560  goto Bad;
561 
562  /* we render the glyph into a glyph bitmap using a `dummy' glyph slot */
563  /* then calling FT_Render_Glyph_Internal() */
564 
565  FT_ZERO( &dummy );
566  FT_ZERO( &dummy_internal );
567  dummy.internal = &dummy_internal;
568  dummy.library = library;
569  dummy.format = clazz->glyph_format;
570 
571  /* create result bitmap glyph */
572  error = ft_new_glyph( library, FT_BITMAP_GLYPH_CLASS_GET, &b );
573  if ( error )
574  goto Exit;
576 
577 #if 1
578  /* if `origin' is set, translate the glyph image */
579  if ( origin )
580  FT_Glyph_Transform( glyph, 0, origin );
581 #else
582  FT_UNUSED( origin );
583 #endif
584 
585  /* prepare dummy slot for rendering */
586  error = clazz->glyph_prepare( glyph, &dummy );
587  if ( !error )
588  error = FT_Render_Glyph_Internal( glyph->library, &dummy, render_mode );
589 
590 #if 1
591  if ( !destroy && origin )
592  {
593  FT_Vector v;
594 
595 
596  v.x = -origin->x;
597  v.y = -origin->y;
598  FT_Glyph_Transform( glyph, 0, &v );
599  }
600 #endif
601 
602  if ( error )
603  goto Exit;
604 
605  /* in case of success, copy the bitmap to the glyph bitmap */
607  if ( error )
608  goto Exit;
609 
610  /* copy advance */
611  bitmap->root.advance = glyph->advance;
612 
613  if ( destroy )
614  FT_Done_Glyph( glyph );
615 
616  *the_glyph = FT_GLYPH( bitmap );
617 
618  Exit:
619  if ( error && bitmap )
621 
622  return error;
623 
624  Bad:
625  error = FT_THROW( Invalid_Argument );
626  goto Exit;
627  }
int FT_Error
Definition: fttypes.h:300
const FT_Glyph_Class * clazz
Definition: ftglyph.h:111
typedefFT_BEGIN_HEADER struct FT_Glyph_Class_ FT_Glyph_Class
Definition: ftglyph.h:69
#define error(str)
Definition: mkdosfs.c:1605
FT_Library library
Definition: ftglyph.h:110
voidpf uLong int origin
Definition: ioapi.h:142
FT_Library library
Definition: cffdrivr.c:654
return FT_Err_Ok
Definition: ftbbox.c:511
FT_Render_Glyph_Internal(FT_Library library, FT_GlyphSlot slot, FT_Render_Mode render_mode)
Definition: ftobjs.c:4485
ft_bitmap_glyph_init(FT_Glyph bitmap_glyph, FT_GlyphSlot slot)
Definition: ftglyph.c:60
struct FT_BitmapGlyphRec_ * FT_BitmapGlyph
Definition: ftglyph.h:127
FT_Done_Glyph(FT_Glyph glyph)
Definition: ftglyph.c:633
#define FT_THROW(e)
Definition: ftdebug.h:213
smooth NULL
Definition: ftsmooth.c:416
#define b
Definition: ke_i.h:79
Definition: uimain.c:88
GLboolean GLboolean GLboolean b
Definition: glext.h:6204
#define FT_ZERO(p)
Definition: ftmemory.h:237
#define FT_GLYPH(x)
Definition: ftobjs.h:766
static void Exit(void)
Definition: sock.c:1331
#define FT_BITMAP_GLYPH_CLASS_GET
Definition: basepic.h:29
void destroy(_Tp *__pointer)
Definition: _construct.h:278
const GLdouble * v
Definition: gl.h:2040
unsigned char dummy
Definition: maze.c:118
FT_Vector advance
Definition: ftglyph.h:113
FT_Glyph_Transform(FT_Glyph glyph, FT_Matrix *matrix, FT_Vector *delta)
Definition: ftglyph.c:447
#define FT_UNUSED(arg)
Definition: ftconfig.h:101

Referenced by ftGdiGlyphCacheSet(), and ftGdiGlyphSet().

◆ FT_Glyph_Transform()

FT_Glyph_Transform ( FT_Glyph  glyph,
FT_Matrix matrix,
FT_Vector delta 
)

Definition at line 447 of file ftglyph.c.

450  {
452 
453 
454  if ( !glyph || !glyph->clazz )
455  error = FT_THROW( Invalid_Argument );
456  else
457  {
458  const FT_Glyph_Class* clazz = glyph->clazz;
459 
460 
461  if ( clazz->glyph_transform )
462  {
463  /* transform glyph image */
464  clazz->glyph_transform( glyph, matrix, delta );
465 
466  /* transform advance vector */
467  if ( matrix )
468  FT_Vector_Transform( &glyph->advance, matrix );
469  }
470  else
471  error = FT_THROW( Invalid_Glyph_Format );
472  }
473  return error;
474  }
int FT_Error
Definition: fttypes.h:300
const FT_Glyph_Class * clazz
Definition: ftglyph.h:111
typedefFT_BEGIN_HEADER struct FT_Glyph_Class_ FT_Glyph_Class
Definition: ftglyph.h:69
#define error(str)
Definition: mkdosfs.c:1605
GLuint GLenum matrix
Definition: glext.h:9407
return FT_Err_Ok
Definition: ftbbox.c:511
#define FT_THROW(e)
Definition: ftdebug.h:213
FT_Vector_Transform(FT_Vector *vec, const FT_Matrix *matrix)
Definition: ftoutln.c:688
FT_Vector advance
Definition: ftglyph.h:113

Referenced by FT_Glyph_To_Bitmap().

◆ FT_Matrix_Invert()

FT_Matrix_Invert ( FT_Matrix matrix)

Definition at line 689 of file ftcalc.c.

690  {
691  FT_Pos delta, xx, yy;
692 
693 
694  if ( !matrix )
695  return FT_THROW( Invalid_Argument );
696 
697  /* compute discriminant */
698  delta = FT_MulFix( matrix->xx, matrix->yy ) -
699  FT_MulFix( matrix->xy, matrix->yx );
700 
701  if ( !delta )
702  return FT_THROW( Invalid_Argument ); /* matrix can't be inverted */
703 
704  matrix->xy = - FT_DivFix( matrix->xy, delta );
705  matrix->yx = - FT_DivFix( matrix->yx, delta );
706 
707  xx = matrix->xx;
708  yy = matrix->yy;
709 
710  matrix->xx = FT_DivFix( yy, delta );
711  matrix->yy = FT_DivFix( xx, delta );
712 
713  return FT_Err_Ok;
714  }
FT_BEGIN_HEADER typedef signed long FT_Pos
Definition: ftimage.h:58
FT_DivFix(FT_Long a_, FT_Long b_)
Definition: ftcalc.c:608
GLuint GLenum matrix
Definition: glext.h:9407
return FT_Err_Ok
Definition: ftbbox.c:511
#define FT_THROW(e)
Definition: ftdebug.h:213
int xx
Definition: npserver.c:29
FT_MulFix(FT_Long a_, FT_Long b_)
Definition: ftcalc.c:509

Referenced by af_loader_load_glyph().

◆ FT_Matrix_Multiply()

FT_Matrix_Multiply ( const FT_Matrix a,
FT_Matrix b 
)

Definition at line 661 of file ftcalc.c.

663  {
664  FT_Fixed xx, xy, yx, yy;
665 
666 
667  if ( !a || !b )
668  return;
669 
670  xx = ADD_LONG( FT_MulFix( a->xx, b->xx ),
671  FT_MulFix( a->xy, b->yx ) );
672  xy = ADD_LONG( FT_MulFix( a->xx, b->xy ),
673  FT_MulFix( a->xy, b->yy ) );
674  yx = ADD_LONG( FT_MulFix( a->yx, b->xx ),
675  FT_MulFix( a->yy, b->yx ) );
676  yy = ADD_LONG( FT_MulFix( a->yx, b->xy ),
677  FT_MulFix( a->yy, b->yy ) );
678 
679  b->xx = xx;
680  b->xy = xy;
681  b->yx = yx;
682  b->yy = yy;
683  }
#define ADD_LONG(a, b)
Definition: ftcalc.h:420
GLboolean GLboolean GLboolean b
Definition: glext.h:6204
int xx
Definition: npserver.c:29
signed long FT_Fixed
Definition: fttypes.h:288
FT_MulFix(FT_Long a_, FT_Long b_)
Definition: ftcalc.c:509
GLboolean GLboolean GLboolean GLboolean a
Definition: glext.h:6204

Referenced by ftGdiGetGlyphOutline().