Commit 8050a6b85d9c8ffa1efd716b16434f26efddc04e
2001-01-03T00:17:58
This file was previously known as t2gload.h.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209
diff --git a/src/cff/cffgload.h b/src/cff/cffgload.h
new file mode 100644
index 0000000..e8d7e11
--- /dev/null
+++ b/src/cff/cffgload.h
@@ -0,0 +1,203 @@
+/***************************************************************************/
+/* */
+/* cffgload.h */
+/* */
+/* OpenType Glyph Loader (specification). */
+/* */
+/* Copyright 1996-2000 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 __CFFGLOAD_H__
+#define __CFFGLOAD_H__
+
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include FT_SOURCE_FILE(cff,cffobjs.h)
+
+
+FT_BEGIN_HEADER
+
+
+#define CFF_MAX_OPERANDS 48
+#define CFF_MAX_SUBRS_CALLS 32
+
+
+ /*************************************************************************/
+ /* */
+ /* <Structure> */
+ /* CFF_Builder */
+ /* */
+ /* <Description> */
+ /* A structure used during glyph loading to store its outline. */
+ /* */
+ /* <Fields> */
+ /* memory :: The current memory object. */
+ /* */
+ /* face :: The current face object. */
+ /* */
+ /* glyph :: The current glyph slot. */
+ /* */
+ /* current :: The current glyph outline. */
+ /* */
+ /* base :: The base glyph outline. */
+ /* */
+ /* max_points :: maximum points in builder outline */
+ /* */
+ /* max_contours :: Maximal number of contours in builder outline. */
+ /* */
+ /* last :: The last point position. */
+ /* */
+ /* scale_x :: The horizontal scale (FUnits to sub-pixels). */
+ /* */
+ /* scale_y :: The vertical scale (FUnits to sub-pixels). */
+ /* */
+ /* pos_x :: The horizontal translation (if composite glyph). */
+ /* */
+ /* pos_y :: The vertical translation (if composite glyph). */
+ /* */
+ /* left_bearing :: The left side bearing point. */
+ /* */
+ /* advance :: The horizontal advance vector. */
+ /* */
+ /* bbox :: Unused. */
+ /* */
+ /* path_begun :: A flag which indicates that a new path has begun. */
+ /* */
+ /* load_points :: If this flag is not set, no points are loaded. */
+ /* */
+ /* no_recurse :: Set but not used. */
+ /* */
+ /* error :: An error code that is only used to report memory */
+ /* allocation problems. */
+ /* */
+ /* metrics_only :: A boolean indicating that we only want to compute */
+ /* the metrics of a given glyph, not load all of its */
+ /* points. */
+ /* */
+ typedef struct CFF_Builder_
+ {
+ FT_Memory memory;
+ TT_Face face;
+ CFF_GlyphSlot glyph;
+ FT_GlyphLoader* loader;
+ FT_Outline* base;
+ FT_Outline* current;
+
+ FT_Vector last;
+
+ FT_Fixed scale_x;
+ FT_Fixed scale_y;
+
+ FT_Pos pos_x;
+ FT_Pos pos_y;
+
+ FT_Vector left_bearing;
+ FT_Vector advance;
+
+ FT_BBox bbox; /* bounding box */
+ FT_Bool path_begun;
+ FT_Bool load_points;
+ FT_Bool no_recurse;
+
+ FT_Error error; /* only used for memory errors */
+ FT_Bool metrics_only;
+
+ } CFF_Builder;
+
+
+ /* execution context charstring zone */
+
+ typedef struct CFF_Decoder_Zone_
+ {
+ FT_Byte* base;
+ FT_Byte* limit;
+ FT_Byte* cursor;
+
+ } CFF_Decoder_Zone;
+
+
+ typedef struct CFF_Decoder_
+ {
+ CFF_Builder builder;
+ CFF_Font* cff;
+
+ FT_Fixed stack[CFF_MAX_OPERANDS + 1];
+ FT_Fixed* top;
+
+ CFF_Decoder_Zone zones[CFF_MAX_SUBRS_CALLS + 1];
+ CFF_Decoder_Zone* zone;
+
+ FT_Int flex_state;
+ FT_Int num_flex_vectors;
+ FT_Vector flex_vectors[7];
+
+ FT_Pos glyph_width;
+ FT_Pos nominal_width;
+
+ FT_Bool read_width;
+ FT_Int num_hints;
+ FT_Fixed* buildchar;
+ FT_Int len_buildchar;
+
+ FT_UInt num_locals;
+ FT_UInt num_globals;
+
+ FT_Int locals_bias;
+ FT_Int globals_bias;
+
+ FT_Byte** locals;
+ FT_Byte** globals;
+
+ FT_Byte** glyph_names; /* for pure CFF fonts only */
+ FT_UInt num_glyphs; /* number of glyphs in font */
+
+ } CFF_Decoder;
+
+
+ FT_LOCAL
+ void CFF_Init_Decoder( CFF_Decoder* decoder,
+ TT_Face face,
+ CFF_Size size,
+ CFF_GlyphSlot slot );
+
+ FT_LOCAL
+ void CFF_Prepare_Decoder( CFF_Decoder* decoder,
+ FT_UInt glyph_index );
+
+#if 0 /* unused until we support pure CFF fonts */
+
+ /* Compute the maximum advance width of a font through quick parsing */
+ FT_LOCAL
+ FT_Error CFF_Compute_Max_Advance( TT_Face face,
+ FT_Int* max_advance );
+
+#endif /* 0 */
+
+ FT_LOCAL
+ FT_Error CFF_Parse_CharStrings( CFF_Decoder* decoder,
+ FT_Byte* charstring_base,
+ FT_Int charstring_len );
+
+ FT_LOCAL
+ FT_Error CFF_Load_Glyph( CFF_GlyphSlot glyph,
+ CFF_Size size,
+ FT_Int glyph_index,
+ FT_Int load_flags );
+
+
+FT_END_HEADER
+
+#endif /* __CFFGLOAD_H__ */
+
+
+/* END */