| /**************************************************************************** |
| * |
| * pfrtypes.h |
| * |
| * FreeType PFR data structures (specification only). |
| * |
| * Copyright (C) 2002-2022 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 PFRTYPES_H_ |
| #define PFRTYPES_H_ |
| |
| #include <freetype/internal/ftobjs.h> |
| |
| FT_BEGIN_HEADER |
| |
| /************************************************************************/ |
| |
| /* the PFR Header structure */ |
| typedef struct PFR_HeaderRec_ |
| { |
| FT_UInt32 signature; |
| FT_UInt version; |
| FT_UInt signature2; |
| FT_UInt header_size; |
| |
| FT_UInt log_dir_size; |
| FT_UInt log_dir_offset; |
| |
| FT_UInt log_font_max_size; |
| FT_UInt32 log_font_section_size; |
| FT_UInt32 log_font_section_offset; |
| |
| FT_UInt32 phy_font_max_size; |
| FT_UInt32 phy_font_section_size; |
| FT_UInt32 phy_font_section_offset; |
| |
| FT_UInt gps_max_size; |
| FT_UInt32 gps_section_size; |
| FT_UInt32 gps_section_offset; |
| |
| FT_UInt max_blue_values; |
| FT_UInt max_x_orus; |
| FT_UInt max_y_orus; |
| |
| FT_UInt phy_font_max_size_high; |
| FT_UInt color_flags; |
| |
| FT_UInt32 bct_max_size; |
| FT_UInt32 bct_set_max_size; |
| FT_UInt32 phy_bct_set_max_size; |
| |
| FT_UInt num_phy_fonts; |
| FT_UInt max_vert_stem_snap; |
| FT_UInt max_horz_stem_snap; |
| FT_UInt max_chars; |
| |
| } PFR_HeaderRec, *PFR_Header; |
| |
| |
| /* used in `color_flags' field of the PFR_Header */ |
| #define PFR_FLAG_BLACK_PIXEL 0x01U |
| #define PFR_FLAG_INVERT_BITMAP 0x02U |
| |
| |
| /************************************************************************/ |
| |
| typedef struct PFR_LogFontRec_ |
| { |
| FT_UInt32 size; |
| FT_UInt32 offset; |
| |
| FT_Int32 matrix[4]; |
| FT_UInt stroke_flags; |
| FT_Int stroke_thickness; |
| FT_Int bold_thickness; |
| FT_Int32 miter_limit; |
| |
| FT_UInt32 phys_size; |
| FT_UInt32 phys_offset; |
| |
| } PFR_LogFontRec, *PFR_LogFont; |
| |
| |
| #define PFR_LINE_JOIN_MITER 0x00U |
| #define PFR_LINE_JOIN_ROUND 0x01U |
| #define PFR_LINE_JOIN_BEVEL 0x02U |
| #define PFR_LINE_JOIN_MASK ( PFR_LINE_JOIN_ROUND | PFR_LINE_JOIN_BEVEL ) |
| |
| #define PFR_LOG_STROKE 0x04U |
| #define PFR_LOG_2BYTE_STROKE 0x08U |
| #define PFR_LOG_BOLD 0x10U |
| #define PFR_LOG_2BYTE_BOLD 0x20U |
| #define PFR_LOG_EXTRA_ITEMS 0x40U |
| |
| |
| /************************************************************************/ |
| |
| #define PFR_BITMAP_2BYTE_CHARCODE 0x01U |
| #define PFR_BITMAP_2BYTE_SIZE 0x02U |
| #define PFR_BITMAP_3BYTE_OFFSET 0x04U |
| |
| /* not part of the specification but used for implementation */ |
| #define PFR_BITMAP_CHARCODES_VALIDATED 0x40U |
| #define PFR_BITMAP_VALID_CHARCODES 0x80U |
| |
| |
| typedef struct PFR_BitmapCharRec_ |
| { |
| FT_UInt char_code; |
| FT_UInt gps_size; |
| FT_UInt32 gps_offset; |
| |
| } PFR_BitmapCharRec, *PFR_BitmapChar; |
| |
| |
| #define PFR_STRIKE_2BYTE_XPPM 0x01U |
| #define PFR_STRIKE_2BYTE_YPPM 0x02U |
| #define PFR_STRIKE_3BYTE_SIZE 0x04U |
| #define PFR_STRIKE_3BYTE_OFFSET 0x08U |
| #define PFR_STRIKE_2BYTE_COUNT 0x10U |
| |
| |
| typedef struct PFR_StrikeRec_ |
| { |
| FT_UInt x_ppm; |
| FT_UInt y_ppm; |
| FT_UInt flags; |
| |
| FT_UInt32 gps_size; |
| FT_UInt32 gps_offset; |
| |
| FT_UInt32 bct_size; |
| FT_UInt32 bct_offset; |
| |
| /* optional */ |
| FT_UInt num_bitmaps; |
| PFR_BitmapChar bitmaps; |
| |
| } PFR_StrikeRec, *PFR_Strike; |
| |
| |
| /************************************************************************/ |
| |
| typedef struct PFR_CharRec_ |
| { |
| FT_UInt char_code; |
| FT_Int advance; |
| FT_UInt gps_size; |
| FT_UInt32 gps_offset; |
| |
| } PFR_CharRec, *PFR_Char; |
| |
| |
| /************************************************************************/ |
| |
| typedef struct PFR_DimensionRec_ |
| { |
| FT_UInt standard; |
| FT_UInt num_stem_snaps; |
| FT_Int* stem_snaps; |
| |
| } PFR_DimensionRec, *PFR_Dimension; |
| |
| /************************************************************************/ |
| |
| typedef struct PFR_KernItemRec_* PFR_KernItem; |
| |
| typedef struct PFR_KernItemRec_ |
| { |
| PFR_KernItem next; |
| FT_Byte pair_count; |
| FT_Byte flags; |
| FT_Short base_adj; |
| FT_UInt pair_size; |
| FT_Offset offset; |
| FT_UInt32 pair1; |
| FT_UInt32 pair2; |
| |
| } PFR_KernItemRec; |
| |
| |
| #define PFR_KERN_INDEX( g1, g2 ) \ |
| ( ( (FT_UInt32)(g1) << 16 ) | (FT_UInt16)(g2) ) |
| |
| #define PFR_KERN_PAIR_INDEX( pair ) \ |
| PFR_KERN_INDEX( (pair)->glyph1, (pair)->glyph2 ) |
| |
| #define PFR_NEXT_KPAIR( p ) ( p += 2, \ |
| ( (FT_UInt32)p[-2] << 16 ) | p[-1] ) |
| |
| |
| /************************************************************************/ |
| |
| typedef struct PFR_PhyFontRec_ |
| { |
| FT_Memory memory; |
| FT_UInt32 offset; |
| |
| FT_UInt font_ref_number; |
| FT_UInt outline_resolution; |
| FT_UInt metrics_resolution; |
| FT_BBox bbox; |
| FT_UInt flags; |
| FT_Int standard_advance; |
| |
| FT_Int ascent; /* optional, bbox.yMax if not present */ |
| FT_Int descent; /* optional, bbox.yMin if not present */ |
| FT_Int leading; /* optional, 0 if not present */ |
| |
| PFR_DimensionRec horizontal; |
| PFR_DimensionRec vertical; |
| |
| FT_String* font_id; |
| FT_String* family_name; |
| FT_String* style_name; |
| |
| FT_UInt num_strikes; |
| FT_UInt max_strikes; |
| PFR_StrikeRec* strikes; |
| |
| FT_UInt num_blue_values; |
| FT_Int *blue_values; |
| FT_UInt blue_fuzz; |
| FT_UInt blue_scale; |
| |
| FT_UInt num_chars; |
| FT_Offset chars_offset; |
| PFR_Char chars; |
| |
| FT_UInt num_kern_pairs; |
| PFR_KernItem kern_items; |
| PFR_KernItem* kern_items_tail; |
| |
| /* not part of the spec, but used during load */ |
| FT_ULong bct_offset; |
| FT_Byte* cursor; |
| |
| } PFR_PhyFontRec, *PFR_PhyFont; |
| |
| |
| #define PFR_PHY_VERTICAL 0x01U |
| #define PFR_PHY_2BYTE_CHARCODE 0x02U |
| #define PFR_PHY_PROPORTIONAL 0x04U |
| #define PFR_PHY_ASCII_CODE 0x08U |
| #define PFR_PHY_2BYTE_GPS_SIZE 0x10U |
| #define PFR_PHY_3BYTE_GPS_OFFSET 0x20U |
| #define PFR_PHY_EXTRA_ITEMS 0x80U |
| |
| |
| #define PFR_KERN_2BYTE_CHAR 0x01U |
| #define PFR_KERN_2BYTE_ADJ 0x02U |
| |
| |
| /************************************************************************/ |
| |
| #define PFR_GLYPH_YCOUNT 0x01U |
| #define PFR_GLYPH_XCOUNT 0x02U |
| #define PFR_GLYPH_1BYTE_XYCOUNT 0x04U |
| |
| #define PFR_GLYPH_SINGLE_EXTRA_ITEMS 0x08U |
| #define PFR_GLYPH_COMPOUND_EXTRA_ITEMS 0x40U |
| |
| #define PFR_GLYPH_IS_COMPOUND 0x80U |
| |
| |
| /* controlled coordinate */ |
| typedef struct PFR_CoordRec_ |
| { |
| FT_UInt org; |
| FT_UInt cur; |
| |
| } PFR_CoordRec, *PFR_Coord; |
| |
| |
| typedef struct PFR_SubGlyphRec_ |
| { |
| FT_Fixed x_scale; |
| FT_Fixed y_scale; |
| FT_Int x_delta; |
| FT_Int y_delta; |
| FT_UInt32 gps_offset; |
| FT_UInt gps_size; |
| |
| } PFR_SubGlyphRec, *PFR_SubGlyph; |
| |
| |
| #define PFR_SUBGLYPH_XSCALE 0x10U |
| #define PFR_SUBGLYPH_YSCALE 0x20U |
| #define PFR_SUBGLYPH_2BYTE_SIZE 0x40U |
| #define PFR_SUBGLYPH_3BYTE_OFFSET 0x80U |
| |
| |
| typedef struct PFR_GlyphRec_ |
| { |
| FT_Byte format; |
| |
| #if 0 |
| FT_UInt num_x_control; |
| FT_UInt num_y_control; |
| #endif |
| FT_UInt max_xy_control; |
| FT_Pos* x_control; |
| FT_Pos* y_control; |
| |
| |
| FT_UInt num_subs; |
| FT_UInt max_subs; |
| PFR_SubGlyphRec* subs; |
| |
| FT_GlyphLoader loader; |
| FT_Bool path_begun; |
| |
| } PFR_GlyphRec, *PFR_Glyph; |
| |
| |
| FT_END_HEADER |
| |
| #endif /* PFRTYPES_H_ */ |
| |
| |
| /* END */ |
