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+/***************************************************************************/
+/* */
+/* t1tables.h */
+/* */
+/* Basic Type 1/Type 2 tables definitions and interface (specification */
+/* only). */
+/* */
+/* Copyright 1996-2004, 2006, 2008, 2009, 2011 by */
+/* David Turner, Robert Wilhelm, and Werner Lemberg. */
+/* */
+/* This file is part of the FreeType project, and may only be used, */
+/* modified, and distributed under the terms of the FreeType project */
+/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
+/* this file you indicate that you have read the license and */
+/* understand and accept it fully. */
+/* */
+/***************************************************************************/
+
+
+#ifndef __T1TABLES_H__
+#define __T1TABLES_H__
+
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+#ifdef FREETYPE_H
+#error "freetype.h of FreeType 1 has been loaded!"
+#error "Please fix the directory search order for header files"
+#error "so that freetype.h of FreeType 2 is found first."
+#endif
+
+
+FT_BEGIN_HEADER
+
+
+ /*************************************************************************/
+ /* */
+ /* <Section> */
+ /* type1_tables */
+ /* */
+ /* <Title> */
+ /* Type 1 Tables */
+ /* */
+ /* <Abstract> */
+ /* Type~1 (PostScript) specific font tables. */
+ /* */
+ /* <Description> */
+ /* This section contains the definition of Type 1-specific tables, */
+ /* including structures related to other PostScript font formats. */
+ /* */
+ /*************************************************************************/
+
+
+ /* Note that we separate font data in PS_FontInfoRec and PS_PrivateRec */
+ /* structures in order to support Multiple Master fonts. */
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* PS_FontInfoRec */
+ /* */
+ /* <Description> */
+ /* A structure used to model a Type~1 or Type~2 FontInfo dictionary. */
+ /* Note that for Multiple Master fonts, each instance has its own */
+ /* FontInfo dictionary. */
+ /* */
+ typedef struct PS_FontInfoRec_
+ {
+ FT_String* version;
+ FT_String* notice;
+ FT_String* full_name;
+ FT_String* family_name;
+ FT_String* weight;
+ FT_Long italic_angle;
+ FT_Bool is_fixed_pitch;
+ FT_Short underline_position;
+ FT_UShort underline_thickness;
+
+ } PS_FontInfoRec;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* PS_FontInfo */
+ /* */
+ /* <Description> */
+ /* A handle to a @PS_FontInfoRec structure. */
+ /* */
+ typedef struct PS_FontInfoRec_* PS_FontInfo;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* T1_FontInfo */
+ /* */
+ /* <Description> */
+ /* This type is equivalent to @PS_FontInfoRec. It is deprecated but */
+ /* kept to maintain source compatibility between various versions of */
+ /* FreeType. */
+ /* */
+ typedef PS_FontInfoRec T1_FontInfo;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* PS_PrivateRec */
+ /* */
+ /* <Description> */
+ /* A structure used to model a Type~1 or Type~2 private dictionary. */
+ /* Note that for Multiple Master fonts, each instance has its own */
+ /* Private dictionary. */
+ /* */
+ typedef struct PS_PrivateRec_
+ {
+ FT_Int unique_id;
+ FT_Int lenIV;
+
+ FT_Byte num_blue_values;
+ FT_Byte num_other_blues;
+ FT_Byte num_family_blues;
+ FT_Byte num_family_other_blues;
+
+ FT_Short blue_values[14];
+ FT_Short other_blues[10];
+
+ FT_Short family_blues [14];
+ FT_Short family_other_blues[10];
+
+ FT_Fixed blue_scale;
+ FT_Int blue_shift;
+ FT_Int blue_fuzz;
+
+ FT_UShort standard_width[1];
+ FT_UShort standard_height[1];
+
+ FT_Byte num_snap_widths;
+ FT_Byte num_snap_heights;
+ FT_Bool force_bold;
+ FT_Bool round_stem_up;
+
+ FT_Short snap_widths [13]; /* including std width */
+ FT_Short snap_heights[13]; /* including std height */
+
+ FT_Fixed expansion_factor;
+
+ FT_Long language_group;
+ FT_Long password;
+
+ FT_Short min_feature[2];
+
+ } PS_PrivateRec;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* PS_Private */
+ /* */
+ /* <Description> */
+ /* A handle to a @PS_PrivateRec structure. */
+ /* */
+ typedef struct PS_PrivateRec_* PS_Private;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* T1_Private */
+ /* */
+ /* <Description> */
+ /* This type is equivalent to @PS_PrivateRec. It is deprecated but */
+ /* kept to maintain source compatibility between various versions of */
+ /* FreeType. */
+ /* */
+ typedef PS_PrivateRec T1_Private;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Enum> */
+ /* T1_Blend_Flags */
+ /* */
+ /* <Description> */
+ /* A set of flags used to indicate which fields are present in a */
+ /* given blend dictionary (font info or private). Used to support */
+ /* Multiple Masters fonts. */
+ /* */
+ typedef enum T1_Blend_Flags_
+ {
+ /*# required fields in a FontInfo blend dictionary */
+ T1_BLEND_UNDERLINE_POSITION = 0,
+ T1_BLEND_UNDERLINE_THICKNESS,
+ T1_BLEND_ITALIC_ANGLE,
+
+ /*# required fields in a Private blend dictionary */
+ T1_BLEND_BLUE_VALUES,
+ T1_BLEND_OTHER_BLUES,
+ T1_BLEND_STANDARD_WIDTH,
+ T1_BLEND_STANDARD_HEIGHT,
+ T1_BLEND_STEM_SNAP_WIDTHS,
+ T1_BLEND_STEM_SNAP_HEIGHTS,
+ T1_BLEND_BLUE_SCALE,
+ T1_BLEND_BLUE_SHIFT,
+ T1_BLEND_FAMILY_BLUES,
+ T1_BLEND_FAMILY_OTHER_BLUES,
+ T1_BLEND_FORCE_BOLD,
+
+ /*# never remove */
+ T1_BLEND_MAX
+
+ } T1_Blend_Flags;
+
+ /* */
+
+
+ /*# backwards compatible definitions */
+#define t1_blend_underline_position T1_BLEND_UNDERLINE_POSITION
+#define t1_blend_underline_thickness T1_BLEND_UNDERLINE_THICKNESS
+#define t1_blend_italic_angle T1_BLEND_ITALIC_ANGLE
+#define t1_blend_blue_values T1_BLEND_BLUE_VALUES
+#define t1_blend_other_blues T1_BLEND_OTHER_BLUES
+#define t1_blend_standard_widths T1_BLEND_STANDARD_WIDTH
+#define t1_blend_standard_height T1_BLEND_STANDARD_HEIGHT
+#define t1_blend_stem_snap_widths T1_BLEND_STEM_SNAP_WIDTHS
+#define t1_blend_stem_snap_heights T1_BLEND_STEM_SNAP_HEIGHTS
+#define t1_blend_blue_scale T1_BLEND_BLUE_SCALE
+#define t1_blend_blue_shift T1_BLEND_BLUE_SHIFT
+#define t1_blend_family_blues T1_BLEND_FAMILY_BLUES
+#define t1_blend_family_other_blues T1_BLEND_FAMILY_OTHER_BLUES
+#define t1_blend_force_bold T1_BLEND_FORCE_BOLD
+#define t1_blend_max T1_BLEND_MAX
+
+
+ /* maximum number of Multiple Masters designs, as defined in the spec */
+#define T1_MAX_MM_DESIGNS 16
+
+ /* maximum number of Multiple Masters axes, as defined in the spec */
+#define T1_MAX_MM_AXIS 4
+
+ /* maximum number of elements in a design map */
+#define T1_MAX_MM_MAP_POINTS 20
+
+
+ /* this structure is used to store the BlendDesignMap entry for an axis */
+ typedef struct PS_DesignMap_
+ {
+ FT_Byte num_points;
+ FT_Long* design_points;
+ FT_Fixed* blend_points;
+
+ } PS_DesignMapRec, *PS_DesignMap;
+
+ /* backwards-compatible definition */
+ typedef PS_DesignMapRec T1_DesignMap;
+
+
+ typedef struct PS_BlendRec_
+ {
+ FT_UInt num_designs;
+ FT_UInt num_axis;
+
+ FT_String* axis_names[T1_MAX_MM_AXIS];
+ FT_Fixed* design_pos[T1_MAX_MM_DESIGNS];
+ PS_DesignMapRec design_map[T1_MAX_MM_AXIS];
+
+ FT_Fixed* weight_vector;
+ FT_Fixed* default_weight_vector;
+
+ PS_FontInfo font_infos[T1_MAX_MM_DESIGNS + 1];
+ PS_Private privates [T1_MAX_MM_DESIGNS + 1];
+
+ FT_ULong blend_bitflags;
+
+ FT_BBox* bboxes [T1_MAX_MM_DESIGNS + 1];
+
+ /* since 2.3.0 */
+
+ /* undocumented, optional: the default design instance; */
+ /* corresponds to default_weight_vector -- */
+ /* num_default_design_vector == 0 means it is not present */
+ /* in the font and associated metrics files */
+ FT_UInt default_design_vector[T1_MAX_MM_DESIGNS];
+ FT_UInt num_default_design_vector;
+
+ } PS_BlendRec, *PS_Blend;
+
+
+ /* backwards-compatible definition */
+ typedef PS_BlendRec T1_Blend;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* CID_FaceDictRec */
+ /* */
+ /* <Description> */
+ /* A structure used to represent data in a CID top-level dictionary. */
+ /* */
+ typedef struct CID_FaceDictRec_
+ {
+ PS_PrivateRec private_dict;
+
+ FT_UInt len_buildchar;
+ FT_Fixed forcebold_threshold;
+ FT_Pos stroke_width;
+ FT_Fixed expansion_factor;
+
+ FT_Byte paint_type;
+ FT_Byte font_type;
+ FT_Matrix font_matrix;
+ FT_Vector font_offset;
+
+ FT_UInt num_subrs;
+ FT_ULong subrmap_offset;
+ FT_Int sd_bytes;
+
+ } CID_FaceDictRec;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* CID_FaceDict */
+ /* */
+ /* <Description> */
+ /* A handle to a @CID_FaceDictRec structure. */
+ /* */
+ typedef struct CID_FaceDictRec_* CID_FaceDict;
+
+ /* */
+
+
+ /* backwards-compatible definition */
+ typedef CID_FaceDictRec CID_FontDict;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* CID_FaceInfoRec */
+ /* */
+ /* <Description> */
+ /* A structure used to represent CID Face information. */
+ /* */
+ typedef struct CID_FaceInfoRec_
+ {
+ FT_String* cid_font_name;
+ FT_Fixed cid_version;
+ FT_Int cid_font_type;
+
+ FT_String* registry;
+ FT_String* ordering;
+ FT_Int supplement;
+
+ PS_FontInfoRec font_info;
+ FT_BBox font_bbox;
+ FT_ULong uid_base;
+
+ FT_Int num_xuid;
+ FT_ULong xuid[16];
+
+ FT_ULong cidmap_offset;
+ FT_Int fd_bytes;
+ FT_Int gd_bytes;
+ FT_ULong cid_count;
+
+ FT_Int num_dicts;
+ CID_FaceDict font_dicts;
+
+ FT_ULong data_offset;
+
+ } CID_FaceInfoRec;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* CID_FaceInfo */
+ /* */
+ /* <Description> */
+ /* A handle to a @CID_FaceInfoRec structure. */
+ /* */
+ typedef struct CID_FaceInfoRec_* CID_FaceInfo;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* CID_Info */
+ /* */
+ /* <Description> */
+ /* This type is equivalent to @CID_FaceInfoRec. It is deprecated but */
+ /* kept to maintain source compatibility between various versions of */
+ /* FreeType. */
+ /* */
+ typedef CID_FaceInfoRec CID_Info;
+
+
+ /************************************************************************
+ *
+ * @function:
+ * FT_Has_PS_Glyph_Names
+ *
+ * @description:
+ * Return true if a given face provides reliable PostScript glyph
+ * names. This is similar to using the @FT_HAS_GLYPH_NAMES macro,
+ * except that certain fonts (mostly TrueType) contain incorrect
+ * glyph name tables.
+ *
+ * When this function returns true, the caller is sure that the glyph
+ * names returned by @FT_Get_Glyph_Name are reliable.
+ *
+ * @input:
+ * face ::
+ * face handle
+ *
+ * @return:
+ * Boolean. True if glyph names are reliable.
+ *
+ */
+ FT_EXPORT( FT_Int )
+ FT_Has_PS_Glyph_Names( FT_Face face );
+
+
+ /************************************************************************
+ *
+ * @function:
+ * FT_Get_PS_Font_Info
+ *
+ * @description:
+ * Retrieve the @PS_FontInfoRec structure corresponding to a given
+ * PostScript font.
+ *
+ * @input:
+ * face ::
+ * PostScript face handle.
+ *
+ * @output:
+ * afont_info ::
+ * Output font info structure pointer.
+ *
+ * @return:
+ * FreeType error code. 0~means success.
+ *
+ * @note:
+ * The string pointers within the font info structure are owned by
+ * the face and don't need to be freed by the caller.
+ *
+ * If the font's format is not PostScript-based, this function will
+ * return the `FT_Err_Invalid_Argument' error code.
+ *
+ */
+ FT_EXPORT( FT_Error )
+ FT_Get_PS_Font_Info( FT_Face face,
+ PS_FontInfo afont_info );
+
+
+ /************************************************************************
+ *
+ * @function:
+ * FT_Get_PS_Font_Private
+ *
+ * @description:
+ * Retrieve the @PS_PrivateRec structure corresponding to a given
+ * PostScript font.
+ *
+ * @input:
+ * face ::
+ * PostScript face handle.
+ *
+ * @output:
+ * afont_private ::
+ * Output private dictionary structure pointer.
+ *
+ * @return:
+ * FreeType error code. 0~means success.
+ *
+ * @note:
+ * The string pointers within the @PS_PrivateRec structure are owned by
+ * the face and don't need to be freed by the caller.
+ *
+ * If the font's format is not PostScript-based, this function returns
+ * the `FT_Err_Invalid_Argument' error code.
+ *
+ */
+ FT_EXPORT( FT_Error )
+ FT_Get_PS_Font_Private( FT_Face face,
+ PS_Private afont_private );
+
+
+ /*************************************************************************/
+ /* */
+ /* <Enum> */
+ /* T1_EncodingType */
+ /* */
+ /* <Description> */
+ /* An enumeration describing the `Encoding' entry in a Type 1 */
+ /* dictionary. */
+ /* */
+ typedef enum T1_EncodingType_
+ {
+ T1_ENCODING_TYPE_NONE = 0,
+ T1_ENCODING_TYPE_ARRAY,
+ T1_ENCODING_TYPE_STANDARD,
+ T1_ENCODING_TYPE_ISOLATIN1,
+ T1_ENCODING_TYPE_EXPERT
+
+ } T1_EncodingType;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Enum> */
+ /* PS_Dict_Keys */
+ /* */
+ /* <Description> */
+ /* An enumeration used in calls to @FT_Get_PS_Font_Value to identify */
+ /* the Type~1 dictionary entry to retrieve. */
+ /* */
+ typedef enum PS_Dict_Keys_
+ {
+ /* conventionally in the font dictionary */
+ PS_DICT_FONT_TYPE, /* FT_Byte */
+ PS_DICT_FONT_MATRIX, /* FT_Fixed */
+ PS_DICT_FONT_BBOX, /* FT_Fixed */
+ PS_DICT_PAINT_TYPE, /* FT_Byte */
+ PS_DICT_FONT_NAME, /* FT_String* */
+ PS_DICT_UNIQUE_ID, /* FT_Int */
+ PS_DICT_NUM_CHAR_STRINGS, /* FT_Int */
+ PS_DICT_CHAR_STRING_KEY, /* FT_String* */
+ PS_DICT_CHAR_STRING, /* FT_String* */
+ PS_DICT_ENCODING_TYPE, /* T1_EncodingType */
+ PS_DICT_ENCODING_ENTRY, /* FT_String* */
+
+ /* conventionally in the font Private dictionary */
+ PS_DICT_NUM_SUBRS, /* FT_Int */
+ PS_DICT_SUBR, /* FT_String* */
+ PS_DICT_STD_HW, /* FT_UShort */
+ PS_DICT_STD_VW, /* FT_UShort */
+ PS_DICT_NUM_BLUE_VALUES, /* FT_Byte */
+ PS_DICT_BLUE_VALUE, /* FT_Short */
+ PS_DICT_BLUE_FUZZ, /* FT_Int */
+ PS_DICT_NUM_OTHER_BLUES, /* FT_Byte */
+ PS_DICT_OTHER_BLUE, /* FT_Short */
+ PS_DICT_NUM_FAMILY_BLUES, /* FT_Byte */
+ PS_DICT_FAMILY_BLUE, /* FT_Short */
+ PS_DICT_NUM_FAMILY_OTHER_BLUES, /* FT_Byte */
+ PS_DICT_FAMILY_OTHER_BLUE, /* FT_Short */
+ PS_DICT_BLUE_SCALE, /* FT_Fixed */
+ PS_DICT_BLUE_SHIFT, /* FT_Int */
+ PS_DICT_NUM_STEM_SNAP_H, /* FT_Byte */
+ PS_DICT_STEM_SNAP_H, /* FT_Short */
+ PS_DICT_NUM_STEM_SNAP_V, /* FT_Byte */
+ PS_DICT_STEM_SNAP_V, /* FT_Short */
+ PS_DICT_FORCE_BOLD, /* FT_Bool */
+ PS_DICT_RND_STEM_UP, /* FT_Bool */
+ PS_DICT_MIN_FEATURE, /* FT_Short */
+ PS_DICT_LEN_IV, /* FT_Int */
+ PS_DICT_PASSWORD, /* FT_Long */
+ PS_DICT_LANGUAGE_GROUP, /* FT_Long */
+
+ /* conventionally in the font FontInfo dictionary */
+ PS_DICT_VERSION, /* FT_String* */
+ PS_DICT_NOTICE, /* FT_String* */
+ PS_DICT_FULL_NAME, /* FT_String* */
+ PS_DICT_FAMILY_NAME, /* FT_String* */
+ PS_DICT_WEIGHT, /* FT_String* */
+ PS_DICT_IS_FIXED_PITCH, /* FT_Bool */
+ PS_DICT_UNDERLINE_POSITION, /* FT_Short */
+ PS_DICT_UNDERLINE_THICKNESS, /* FT_UShort */
+ PS_DICT_FS_TYPE, /* FT_UShort */
+ PS_DICT_ITALIC_ANGLE, /* FT_Long */
+
+ PS_DICT_MAX = PS_DICT_ITALIC_ANGLE
+
+ } PS_Dict_Keys;
+
+
+ /************************************************************************
+ *
+ * @function:
+ * FT_Get_PS_Font_Value
+ *
+ * @description:
+ * Retrieve the value for the supplied key from a PostScript font.
+ *
+ * @input:
+ * face ::
+ * PostScript face handle.
+ *
+ * key ::
+ * An enumeration value representing the dictionary key to retrieve.
+ *
+ * idx ::
+ * For array values, this specifies the index to be returned.
+ *
+ * value ::
+ * A pointer to memory into which to write the value.
+ *
+ * valen_len ::
+ * The size, in bytes, of the memory supplied for the value.
+ *
+ * @output:
+ * value ::
+ * The value matching the above key, if it exists.
+ *
+ * @return:
+ * The amount of memory (in bytes) required to hold the requested
+ * value (if it exists, -1 otherwise).
+ *
+ * @note:
+ * The values returned are not pointers into the internal structures of
+ * the face, but are `fresh' copies, so that the memory containing them
+ * belongs to the calling application. This also enforces the
+ * `read-only' nature of these values, i.e., this function cannot be
+ * used to manipulate the face.
+ *
+ * `value' is a void pointer because the values returned can be of
+ * various types.
+ *
+ * If either `value' is NULL or `value_len' is too small, just the
+ * required memory size for the requested entry is returned.
+ *
+ * The `idx' parameter is used, not only to retrieve elements of, for
+ * example, the FontMatrix or FontBBox, but also to retrieve name keys
+ * from the CharStrings dictionary, and the charstrings themselves. It
+ * is ignored for atomic values.
+ *
+ * PS_DICT_BLUE_SCALE returns a value that is scaled up by 1000. To
+ * get the value as in the font stream, you need to divide by
+ * 65536000.0 (to remove the FT_Fixed scale, and the x1000 scale).
+ *
+ * IMPORTANT: Only key/value pairs read by the FreeType interpreter can
+ * be retrieved. So, for example, PostScript procedures such as NP,
+ * ND, and RD are not available. Arbitrary keys are, obviously, not be
+ * available either.
+ *
+ * If the font's format is not PostScript-based, this function returns
+ * the `FT_Err_Invalid_Argument' error code.
+ *
+ */
+ FT_EXPORT( FT_Long )
+ FT_Get_PS_Font_Value( FT_Face face,
+ PS_Dict_Keys key,
+ FT_UInt idx,
+ void *value,
+ FT_Long value_len );
+
+ /* */
+
+FT_END_HEADER
+
+#endif /* __T1TABLES_H__ */
+
+
+/* END */
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