summaryrefslogtreecommitdiff
path: root/fonttosfnt.h
diff options
context:
space:
mode:
authorKaleb Keithley <kaleb@freedesktop.org>2003-11-25 19:29:02 +0000
committerKaleb Keithley <kaleb@freedesktop.org>2003-11-25 19:29:02 +0000
commita46389d96c54351cd95614f1e5eae495f51957f0 (patch)
tree1354ccf9481f6196a5b128dd6da82401ccfd1364 /fonttosfnt.h
Initial revisionXORG-STABLE
Diffstat (limited to 'fonttosfnt.h')
-rw-r--r--fonttosfnt.h178
1 files changed, 178 insertions, 0 deletions
diff --git a/fonttosfnt.h b/fonttosfnt.h
new file mode 100644
index 0000000..128d2cc
--- /dev/null
+++ b/fonttosfnt.h
@@ -0,0 +1,178 @@
+/*
+Copyright (c) 2002-2003 by Juliusz Chroboczek
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+/* $XFree86: xc/programs/fonttosfnt/fonttosfnt.h,v 1.5 2003/11/21 05:22:09 dawes Exp $ */
+
+#ifndef _FONTTOSFNT_H_
+#define _FONTTOSFNT_H_ 1
+
+#include <stdarg.h>
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+#define ROUND(x) ((double)(int)((x) + 0.5))
+
+extern int verbose_flag;
+extern int glyph_flag;
+extern int metrics_flag;
+extern int crop_flag;
+extern int bit_aligned_flag;
+extern int reencode_flag;
+
+#define FONT_SEGMENT_SIZE 128
+#define FONT_CODES 0x10000
+
+#define FACE_BOLD 1
+#define FACE_ITALIC 2
+#define FACE_SYMBOL 4
+
+#define STRIKE_BITMAP(s, i) \
+ ((s)->bitmaps[(i)/FONT_SEGMENT_SIZE] ? \
+ (s)->bitmaps[(i)/FONT_SEGMENT_SIZE][(i)%FONT_SEGMENT_SIZE] : \
+ NULL)
+
+#define SAME_METRICS(b1, b2) \
+ ((b1)->advanceWidth == (b2)->advanceWidth && \
+ (b1)->horiBearingX == (b2)->horiBearingX && \
+ (b1)->horiBearingY == (b2)->horiBearingY && \
+ (b1)->width == (b2)->width && \
+ (b1)->height == (b2)->height)
+
+/* bit at (x, y) of raster r with stride s */
+#define BITREF(r, s, x, y) \
+ (((r)[(y) * (s) + (x) / 8] & (1 << (7 - (x) % 8))) != 0)
+
+#define ONE_HALF (1 << 15)
+#define TWO_SIXTEENTH (1 << 16)
+
+#define UNITS_PER_EM 2048
+
+#define EPSILON 0.000000001
+#define FLOOR(x) ((x) < 0.0 ? -(int)(-(x)) : (x))
+#define CEIL(x) FLOOR((x) + 1.0 - EPSILON)
+
+/* Convert a fixed-point value into FUnits */
+#define FONT_UNITS(x) \
+ FLOOR(((double)(x)) / TWO_SIXTEENTH * UNITS_PER_EM + 0.5)
+#define FONT_UNITS_FLOOR(x) \
+ FLOOR(((double)(x)) / TWO_SIXTEENTH * UNITS_PER_EM)
+#define FONT_UNITS_CEIL(x) \
+ CEIL(((double)(x)) / TWO_SIXTEENTH * UNITS_PER_EM)
+
+typedef struct _FontNameEntry {
+ int nid; /* name id */
+ int size; /* bytes in value */
+ char *value;
+} FontNameEntryRec, *FontNameEntryPtr;
+
+typedef struct _Font {
+ int numNames;
+ struct _FontNameEntry *names;
+ int flags;
+ int weight; /* as in the OS/2 table */
+ int width; /* as in the OS/2 table */
+ int italicAngle; /* degrees c-clockwise from the vertical */
+ int underlinePosition;
+ int underlineThickness;
+ unsigned foundry;
+ struct _Strike *strikes;
+} FontRec, *FontPtr;
+
+typedef struct _Strike {
+ int sizeX;
+ int sizeY;
+ struct _Bitmap ***bitmaps;
+ struct _Strike *next;
+ int numSbits;
+ int bitmapSizeTableLocation;
+ int indexSubTableLocation;
+ struct _IndexSubTable *indexSubTables;
+} StrikeRec, *StrikePtr;
+
+typedef struct _Bitmap {
+ int index;
+ int advanceWidth;
+ int horiBearingX;
+ int horiBearingY;
+ int width;
+ int height;
+ int stride;
+ char *raster;
+ int location;
+} BitmapRec, *BitmapPtr;
+
+typedef struct _IndexSubTable {
+ int location;
+ int firstGlyphIndex;
+ int lastGlyphIndex;
+ int constantMetrics;
+ int lastLocation;
+ struct _IndexSubTable *next;
+} IndexSubTableRec, *IndexSubTablePtr;
+
+typedef struct _Cmap {
+ int startCode;
+ int endCode;
+ int index;
+ struct _Cmap *next;
+ int maxindex; /* only in the head segment*/
+ int *inverse;
+} CmapRec, *CmapPtr;
+
+FontPtr makeFont(void);
+StrikePtr makeStrike(FontPtr, int, int);
+BitmapPtr makeBitmap(StrikePtr, int,
+ int, int, int, int, int, int,
+ unsigned char*, int);
+IndexSubTablePtr makeIndexSubTables(StrikePtr, CmapPtr);
+int fontIndex(FontPtr, int);
+CmapPtr makeCmap(FontPtr);
+int findIndex(CmapPtr, int);
+int findCode(CmapPtr, int);
+BitmapPtr strikeBitmapIndex(StrikePtr, CmapPtr, int);
+void strikeMetrics(StrikePtr, int*, int*, int*, int*, int*);
+int glyphMetrics(FontPtr, int, int*, int*, int*, int*, int*);
+void fontMetrics(FontPtr, int*, int*, int*, int*, int*);
+int maxIndex(CmapPtr);
+
+int readFile(char *filename, FontPtr);
+int writeFile(char *filename, FontPtr);
+
+/* util.c */
+
+#define PROP_ATOM 1
+#define PROP_INTEGER 2
+#define PROP_CARDINAL 3
+
+char *sprintf_reliable(char *f, ...);
+char *vsprintf_reliable(char *f, va_list args);
+char *makeUTF16(char *);
+unsigned makeName(char*);
+int macTime(int *, unsigned *);
+unsigned faceFoundry(FT_Face);
+char *faceEncoding(FT_Face);
+int faceFlags(FT_Face);
+int faceWeight(FT_Face);
+int faceWidth(FT_Face);
+int faceItalicAngle(FT_Face);
+int degreesToFraction(int, int*, int*);
+
+#endif /* _FONTTOSFNT_H_ */