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@@ -453,22 +453,22 @@ FT_BEGIN_HEADER |
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453
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453
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/**************************************************************************
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454
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454
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*
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455
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455
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* @function:
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456
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- * FT_Has_PS_Glyph_Names
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456
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+ * FT_Has_PS_Glyph_Names
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457
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457
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*
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458
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458
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* @description:
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459
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- * Return true if a given face provides reliable PostScript glyph names.
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460
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- * This is similar to using the @FT_HAS_GLYPH_NAMES macro, except that
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461
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- * certain fonts (mostly TrueType) contain incorrect glyph name tables.
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459
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+ * Return true if a given face provides reliable PostScript glyph names.
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460
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+ * This is similar to using the @FT_HAS_GLYPH_NAMES macro, except that
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461
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+ * certain fonts (mostly TrueType) contain incorrect glyph name tables.
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462
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462
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*
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463
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- * When this function returns true, the caller is sure that the glyph
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464
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- * names returned by @FT_Get_Glyph_Name are reliable.
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463
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+ * When this function returns true, the caller is sure that the glyph
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464
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+ * names returned by @FT_Get_Glyph_Name are reliable.
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465
|
465
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*
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466
|
466
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* @input:
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467
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- * face ::
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468
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- * face handle
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467
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+ * face ::
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468
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+ * face handle
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469
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469
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*
|
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470
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470
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* @return:
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471
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- * Boolean. True if glyph names are reliable.
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471
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+ * Boolean. True if glyph names are reliable.
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472
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472
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*
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473
|
473
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*/
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474
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474
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FT_EXPORT( FT_Int )
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| ... |
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@@ -478,30 +478,40 @@ FT_BEGIN_HEADER |
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478
|
478
|
/**************************************************************************
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479
|
479
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*
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|
480
|
480
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* @function:
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|
481
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- * FT_Get_PS_Font_Info
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|
|
481
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+ * FT_Get_PS_Font_Info
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|
482
|
482
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*
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483
|
483
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* @description:
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484
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- * Retrieve the @PS_FontInfoRec structure corresponding to a given
|
|
485
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- * PostScript font.
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|
|
484
|
+ * Retrieve the @PS_FontInfoRec structure corresponding to a given
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|
485
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+ * PostScript font.
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|
486
|
486
|
*
|
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487
|
487
|
* @input:
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488
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- * face ::
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489
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- * PostScript face handle.
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|
488
|
+ * face ::
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|
489
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+ * PostScript face handle.
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490
|
490
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*
|
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491
|
491
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* @output:
|
|
492
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- * afont_info ::
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493
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- * Output font info structure pointer.
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|
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492
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+ * afont_info ::
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493
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+ * A pointer to a @PS_FontInfoRec object.
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494
|
494
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*
|
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495
|
495
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* @return:
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|
496
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- * FreeType error code. 0~means success.
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496
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+ * FreeType error code. 0~means success.
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497
|
497
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*
|
|
498
|
498
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* @note:
|
|
499
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|
- * String pointers within the @PS_FontInfoRec structure are owned by the
|
|
500
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- * face and don't need to be freed by the caller. Missing entries in
|
|
501
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- * the font's FontInfo dictionary are represented by `NULL` pointers.
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|
|
499
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+ * String pointers within the @PS_FontInfoRec structure are owned by the
|
|
|
500
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+ * face and don't need to be freed by the caller. Missing entries in the
|
|
|
501
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+ * font's FontInfo dictionary are represented by `NULL` pointers.
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502
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+ *
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|
503
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+ * The following font formats support this feature: 'Type~1', 'Type~42',
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|
|
504
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+ * 'CFF', 'CID~Type~1'. For other font formats this function returns the
|
|
|
505
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+ * `FT_Err_Invalid_Argument` error code.
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|
502
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506
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*
|
|
503
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- * If the font's format is not PostScript-based, this function will
|
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504
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- * return the `FT_Err_Invalid_Argument` error code.
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|
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507
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+ * @example:
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508
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+ * ```
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509
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+ * PS_FontInfoRec font_info;
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|
|
510
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+ *
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|
|
511
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+ *
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|
|
512
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+ * error = FT_Get_PS_Font_Info( face, &font_info );
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513
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+ * ...
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514
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+ * ```
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505
|
515
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*
|
|
506
|
516
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*/
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|
507
|
517
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FT_EXPORT( FT_Error )
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| ... |
... |
@@ -512,29 +522,39 @@ FT_BEGIN_HEADER |
|
512
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522
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/**************************************************************************
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|
513
|
523
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*
|
|
514
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524
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* @function:
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|
515
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- * FT_Get_PS_Font_Private
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|
|
525
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+ * FT_Get_PS_Font_Private
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|
516
|
526
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*
|
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517
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527
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* @description:
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518
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- * Retrieve the @PS_PrivateRec structure corresponding to a given
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519
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- * PostScript font.
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528
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+ * Retrieve the @PS_PrivateRec structure corresponding to a given
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529
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+ * PostScript font.
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520
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530
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*
|
|
521
|
531
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* @input:
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|
522
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- * face ::
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|
523
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- * PostScript face handle.
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532
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+ * face ::
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533
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+ * PostScript face handle.
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|
524
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534
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*
|
|
525
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535
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* @output:
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|
526
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- * afont_private ::
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527
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- * Output private dictionary structure pointer.
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536
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+ * afont_private ::
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537
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+ * A pointer to a @PS_PrivateRec object.
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528
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538
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*
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529
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539
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* @return:
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530
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- * FreeType error code. 0~means success.
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540
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+ * FreeType error code. 0~means success.
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|
531
|
541
|
*
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532
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542
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* @note:
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533
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- * The string pointers within the @PS_PrivateRec structure are owned by
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534
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- * the face and don't need to be freed by the caller.
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543
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+ * The string pointers within the @PS_PrivateRec structure are owned by
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|
|
544
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+ * the face and don't need to be freed by the caller.
|
|
535
|
545
|
*
|
|
536
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- * If the font's format is not PostScript-based, this function returns
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|
537
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- * the `FT_Err_Invalid_Argument` error code.
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|
|
546
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+ * Only the 'Type~1' font format supports this feature. For other font
|
|
|
547
|
+ * formats this function returns the `FT_Err_Invalid_Argument` error
|
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|
548
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+ * code.
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|
549
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+ *
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|
|
550
|
+ * @example:
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|
|
551
|
+ * ```
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|
552
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+ * PS_PrivateRec font_private;
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|
553
|
+ *
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|
|
554
|
+ *
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|
|
555
|
+ * error = FT_Get_PS_Font_Private( face, &font_private );
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|
|
556
|
+ * ...
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|
|
557
|
+ * ```
|
|
538
|
558
|
*
|
|
539
|
559
|
*/
|
|
540
|
560
|
FT_EXPORT( FT_Error )
|
| ... |
... |
@@ -693,67 +713,67 @@ FT_BEGIN_HEADER |
|
693
|
713
|
/**************************************************************************
|
|
694
|
714
|
*
|
|
695
|
715
|
* @function:
|
|
696
|
|
- * FT_Get_PS_Font_Value
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|
|
716
|
+ * FT_Get_PS_Font_Value
|
|
697
|
717
|
*
|
|
698
|
718
|
* @description:
|
|
699
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|
- * Retrieve the value for the supplied key from a PostScript font.
|
|
|
719
|
+ * Retrieve the value for the supplied key from a PostScript font.
|
|
700
|
720
|
*
|
|
701
|
721
|
* @input:
|
|
702
|
|
- * face ::
|
|
703
|
|
- * PostScript face handle.
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|
|
722
|
+ * face ::
|
|
|
723
|
+ * PostScript face handle.
|
|
704
|
724
|
*
|
|
705
|
|
- * key ::
|
|
706
|
|
- * An enumeration value representing the dictionary key to retrieve.
|
|
|
725
|
+ * key ::
|
|
|
726
|
+ * An enumeration value representing the dictionary key to retrieve.
|
|
707
|
727
|
*
|
|
708
|
|
- * idx ::
|
|
709
|
|
- * For array values, this specifies the index to be returned.
|
|
|
728
|
+ * idx ::
|
|
|
729
|
+ * For array values, this specifies the index to be returned.
|
|
710
|
730
|
*
|
|
711
|
|
- * value ::
|
|
712
|
|
- * A pointer to memory into which to write the value.
|
|
|
731
|
+ * value ::
|
|
|
732
|
+ * A pointer to memory into which to write the value.
|
|
713
|
733
|
*
|
|
714
|
|
- * valen_len ::
|
|
715
|
|
- * The size, in bytes, of the memory supplied for the value.
|
|
|
734
|
+ * valen_len ::
|
|
|
735
|
+ * The size, in bytes, of the memory supplied for the value.
|
|
716
|
736
|
*
|
|
717
|
737
|
* @output:
|
|
718
|
|
- * value ::
|
|
719
|
|
- * The value matching the above key, if it exists.
|
|
|
738
|
+ * value ::
|
|
|
739
|
+ * The value matching the above key, if it exists.
|
|
720
|
740
|
*
|
|
721
|
741
|
* @return:
|
|
722
|
|
- * The amount of memory (in bytes) required to hold the requested value
|
|
723
|
|
- * (if it exists, -1 otherwise).
|
|
|
742
|
+ * The amount of memory (in bytes) required to hold the requested value
|
|
|
743
|
+ * (if it exists, -1 otherwise).
|
|
724
|
744
|
*
|
|
725
|
745
|
* @note:
|
|
726
|
|
- * The values returned are not pointers into the internal structures of
|
|
727
|
|
- * the face, but are 'fresh' copies, so that the memory containing them
|
|
728
|
|
- * belongs to the calling application. This also enforces the
|
|
729
|
|
- * 'read-only' nature of these values, i.e., this function cannot be
|
|
730
|
|
- * used to manipulate the face.
|
|
|
746
|
+ * The values returned are not pointers into the internal structures of
|
|
|
747
|
+ * the face, but are 'fresh' copies, so that the memory containing them
|
|
|
748
|
+ * belongs to the calling application. This also enforces the
|
|
|
749
|
+ * 'read-only' nature of these values, i.e., this function cannot be
|
|
|
750
|
+ * used to manipulate the face.
|
|
731
|
751
|
*
|
|
732
|
|
- * `value` is a void pointer because the values returned can be of
|
|
733
|
|
- * various types.
|
|
|
752
|
+ * `value` is a void pointer because the values returned can be of
|
|
|
753
|
+ * various types.
|
|
734
|
754
|
*
|
|
735
|
|
- * If either `value` is `NULL` or `value_len` is too small, just the
|
|
736
|
|
- * required memory size for the requested entry is returned.
|
|
|
755
|
+ * If either `value` is `NULL` or `value_len` is too small, just the
|
|
|
756
|
+ * required memory size for the requested entry is returned.
|
|
737
|
757
|
*
|
|
738
|
|
- * The `idx` parameter is used, not only to retrieve elements of, for
|
|
739
|
|
- * example, the FontMatrix or FontBBox, but also to retrieve name keys
|
|
740
|
|
- * from the CharStrings dictionary, and the charstrings themselves. It
|
|
741
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|
- * is ignored for atomic values.
|
|
|
758
|
+ * The `idx` parameter is used, not only to retrieve elements of, for
|
|
|
759
|
+ * example, the FontMatrix or FontBBox, but also to retrieve name keys
|
|
|
760
|
+ * from the CharStrings dictionary, and the charstrings themselves. It
|
|
|
761
|
+ * is ignored for atomic values.
|
|
742
|
762
|
*
|
|
743
|
|
- * `PS_DICT_BLUE_SCALE` returns a value that is scaled up by 1000. To
|
|
744
|
|
- * get the value as in the font stream, you need to divide by 65536000.0
|
|
745
|
|
- * (to remove the FT_Fixed scale, and the x1000 scale).
|
|
|
763
|
+ * `PS_DICT_BLUE_SCALE` returns a value that is scaled up by 1000. To
|
|
|
764
|
+ * get the value as in the font stream, you need to divide by 65536000.0
|
|
|
765
|
+ * (to remove the FT_Fixed scale, and the x1000 scale).
|
|
746
|
766
|
*
|
|
747
|
|
- * IMPORTANT: Only key/value pairs read by the FreeType interpreter can
|
|
748
|
|
- * be retrieved. So, for example, PostScript procedures such as NP, ND,
|
|
749
|
|
- * and RD are not available. Arbitrary keys are, obviously, not be
|
|
750
|
|
- * available either.
|
|
|
767
|
+ * IMPORTANT: Only key/value pairs read by the FreeType interpreter can
|
|
|
768
|
+ * be retrieved. So, for example, PostScript procedures such as NP, ND,
|
|
|
769
|
+ * and RD are not available. Arbitrary keys are, obviously, not be
|
|
|
770
|
+ * available either.
|
|
751
|
771
|
*
|
|
752
|
|
- * If the font's format is not PostScript-based, this function returns
|
|
753
|
|
- * the `FT_Err_Invalid_Argument` error code.
|
|
|
772
|
+ * If the font's format is not PostScript-based, this function returns
|
|
|
773
|
+ * the `FT_Err_Invalid_Argument` error code.
|
|
754
|
774
|
*
|
|
755
|
775
|
* @since:
|
|
756
|
|
- * 2.4.8
|
|
|
776
|
+ * 2.4.8
|
|
757
|
777
|
*
|
|
758
|
778
|
*/
|
|
759
|
779
|
FT_EXPORT( FT_Long )
|