diff options
Diffstat (limited to 'libXfont/src/bitmap/pcfwrite.c')
-rw-r--r-- | libXfont/src/bitmap/pcfwrite.c | 932 |
1 files changed, 466 insertions, 466 deletions
diff --git a/libXfont/src/bitmap/pcfwrite.c b/libXfont/src/bitmap/pcfwrite.c index 3ac07b359..4c0771e2a 100644 --- a/libXfont/src/bitmap/pcfwrite.c +++ b/libXfont/src/bitmap/pcfwrite.c @@ -1,466 +1,466 @@ -/* - -Copyright 1990, 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -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 OPEN GROUP 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. - -Except as contained in this notice, the name of The Open Group shall -not be used in advertising or otherwise to promote the sale, use or -other dealings in this Software without prior written authorization -from The Open Group. - -*/ - -/* - * Author: Keith Packard, MIT X Consortium - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <X11/fonts/fntfilst.h> -#include <X11/fonts/bitmap.h> -#include <X11/fonts/pcf.h> - -/* Write PCF font files */ - -static CARD32 current_position; - -static int -pcfWrite(FontFilePtr file, char *b, int c) -{ - current_position += c; - return FontFileWrite(file, b, c); -} - -static int -pcfPutLSB32(FontFilePtr file, int c) -{ - current_position += 4; - (void) FontFilePutc(c, file); - (void) FontFilePutc(c >> 8, file); - (void) FontFilePutc(c >> 16, file); - return FontFilePutc(c >> 24, file); -} - -static int -pcfPutINT32(FontFilePtr file, CARD32 format, int c) -{ - current_position += 4; - if (PCF_BYTE_ORDER(format) == MSBFirst) { - (void) FontFilePutc(c >> 24, file); - (void) FontFilePutc(c >> 16, file); - (void) FontFilePutc(c >> 8, file); - return FontFilePutc(c, file); - } else { - (void) FontFilePutc(c, file); - (void) FontFilePutc(c >> 8, file); - (void) FontFilePutc(c >> 16, file); - return FontFilePutc(c >> 24, file); - } -} - -static int -pcfPutINT16(FontFilePtr file, CARD32 format, int c) -{ - current_position += 2; - if (PCF_BYTE_ORDER(format) == MSBFirst) { - (void) FontFilePutc(c >> 8, file); - return FontFilePutc(c, file); - } else { - (void) FontFilePutc(c, file); - return FontFilePutc(c >> 8, file); - } -} - -/*ARGSUSED*/ -static int -pcfPutINT8(FontFilePtr file, CARD32 format, int c) -{ - current_position += 1; - return FontFilePutc(c, file); -} - -static void -pcfWriteTOC(FontFilePtr file, PCFTablePtr table, int count) -{ - CARD32 version; - int i; - - version = PCF_FILE_VERSION; - pcfPutLSB32(file, version); - pcfPutLSB32(file, count); - for (i = 0; i < count; i++) { - pcfPutLSB32(file, table->type); - pcfPutLSB32(file, table->format); - pcfPutLSB32(file, table->size); - pcfPutLSB32(file, table->offset); - table++; - } -} - -static void -pcfPutCompressedMetric(FontFilePtr file, CARD32 format, xCharInfo *metric) -{ - pcfPutINT8(file, format, metric->leftSideBearing + 0x80); - pcfPutINT8(file, format, metric->rightSideBearing + 0x80); - pcfPutINT8(file, format, metric->characterWidth + 0x80); - pcfPutINT8(file, format, metric->ascent + 0x80); - pcfPutINT8(file, format, metric->descent + 0x80); -} - -static void -pcfPutMetric(FontFilePtr file, CARD32 format, xCharInfo *metric) -{ - pcfPutINT16(file, format, metric->leftSideBearing); - pcfPutINT16(file, format, metric->rightSideBearing); - pcfPutINT16(file, format, metric->characterWidth); - pcfPutINT16(file, format, metric->ascent); - pcfPutINT16(file, format, metric->descent); - pcfPutINT16(file, format, metric->attributes); -} - -static void -pcfPutBitmap(FontFilePtr file, CARD32 format, CharInfoPtr pCI) -{ - int count; - unsigned char *bits; - - count = BYTES_FOR_GLYPH(pCI, PCF_GLYPH_PAD(format)); - bits = (unsigned char *) pCI->bits; - current_position += count; - while (count--) - FontFilePutc(*bits++, file); -} - -static void -pcfPutAccel(FontFilePtr file, CARD32 format, FontInfoPtr pFontInfo) -{ - pcfPutINT8(file, format, pFontInfo->noOverlap); - pcfPutINT8(file, format, pFontInfo->constantMetrics); - pcfPutINT8(file, format, pFontInfo->terminalFont); - pcfPutINT8(file, format, pFontInfo->constantWidth); - pcfPutINT8(file, format, pFontInfo->inkInside); - pcfPutINT8(file, format, pFontInfo->inkMetrics); - pcfPutINT8(file, format, pFontInfo->drawDirection); - pcfPutINT8(file, format, 0); - pcfPutINT32(file, format, pFontInfo->fontAscent); - pcfPutINT32(file, format, pFontInfo->fontDescent); - pcfPutINT32(file, format, pFontInfo->maxOverlap); - pcfPutMetric(file, format, &pFontInfo->minbounds); - pcfPutMetric(file, format, &pFontInfo->maxbounds); - if (PCF_FORMAT_MATCH(format, PCF_ACCEL_W_INKBOUNDS)) { - pcfPutMetric(file, format, &pFontInfo->ink_minbounds); - pcfPutMetric(file, format, &pFontInfo->ink_maxbounds); - } -} - -#define S32 4 -#define S16 2 -#define S8 1 - -#define Pad(s) (RoundUp(s) - (s)) -#define RoundUp(s) (((s) + 3) & ~3) - -#define Compressable(i) (-128 <= (i) && (i) <= 127) - -#define CanCompressMetric(m) (Compressable((m)->leftSideBearing) && \ - Compressable((m)->rightSideBearing) && \ - Compressable((m)->characterWidth) && \ - Compressable((m)->ascent) && \ - Compressable((m)->descent) && \ - (m)->attributes == 0) - -#define CanCompressMetrics(min,max) (CanCompressMetric(min) && CanCompressMetric(max)) - -static char * -pcfNameForAtom(Atom a) -{ - return NameForAtom(a); -} - -int -pcfWriteFont(FontPtr pFont, FontFilePtr file) -{ - PCFTableRec tables[32], - *table; - CARD32 mask, - bit; - int ntables; - int size; - CARD32 format; - int i; - int cur_table; - int prop_string_size; - int glyph_string_size; - xCharInfo *minbounds, - *maxbounds; - xCharInfo *ink_minbounds, - *ink_maxbounds; - BitmapFontPtr bitmapFont; - int nencodings = 0; - int header_size; - FontPropPtr offsetProps; - int prop_pad = 0; - char *atom_name; - int glyph; - CARD32 offset; - - bitmapFont = (BitmapFontPtr) pFont->fontPrivate; - if (bitmapFont->bitmapExtra) { - minbounds = &bitmapFont->bitmapExtra->info.minbounds; - maxbounds = &bitmapFont->bitmapExtra->info.maxbounds; - ink_minbounds = &bitmapFont->bitmapExtra->info.ink_minbounds; - ink_maxbounds = &bitmapFont->bitmapExtra->info.ink_maxbounds; - } else { - minbounds = &pFont->info.minbounds; - maxbounds = &pFont->info.maxbounds; - ink_minbounds = &pFont->info.ink_minbounds; - ink_maxbounds = &pFont->info.ink_maxbounds; - } - offsetProps = malloc(pFont->info.nprops * sizeof(FontPropRec)); - if (!offsetProps) { - pcfError("pcfWriteFont(): Couldn't allocate offsetProps (%d*%d)", pFont->info.nprops, sizeof(FontPropRec)); - return AllocError; - } - prop_string_size = 0; - for (i = 0; i < pFont->info.nprops; i++) { - offsetProps[i].name = prop_string_size; - prop_string_size += strlen(pcfNameForAtom(pFont->info.props[i].name)) + 1; - if (pFont->info.isStringProp[i]) { - offsetProps[i].value = prop_string_size; - prop_string_size += strlen(pcfNameForAtom(pFont->info.props[i].value)) + 1; - } else - offsetProps[i].value = pFont->info.props[i].value; - } - format = PCF_FORMAT(pFont->bit, pFont->byte, pFont->glyph, pFont->scan); - mask = 0xFFFFFFF; - ntables = 0; - table = tables; - while (mask) { - bit = lowbit(mask); - mask &= ~bit; - table->type = bit; - switch (bit) { - case PCF_PROPERTIES: - table->format = PCF_DEFAULT_FORMAT | format; - size = S32 + S32 + (S32 + S8 + S32) * pFont->info.nprops; - prop_pad = Pad(size); - table->size = RoundUp(size) + S32 + - RoundUp(prop_string_size); - table++; - break; - case PCF_ACCELERATORS: - if (bitmapFont->bitmapExtra->info.inkMetrics) - table->format = PCF_ACCEL_W_INKBOUNDS | format; - else - table->format = PCF_DEFAULT_FORMAT | format; - table->size = 100; - table++; - break; - case PCF_METRICS: - if (CanCompressMetrics(minbounds, maxbounds)) { - table->format = PCF_COMPRESSED_METRICS | format; - size = S32 + S16 + bitmapFont->num_chars * (5 * S8); - table->size = RoundUp(size); - } else { - table->format = PCF_DEFAULT_FORMAT | format; - table->size = S32 + S32 + bitmapFont->num_chars * (6 * S16); - } - table++; - break; - case PCF_BITMAPS: - table->format = PCF_DEFAULT_FORMAT | format; - size = S32 + S32 + bitmapFont->num_chars * S32 + - GLYPHPADOPTIONS * S32 + - bitmapFont->bitmapExtra->bitmapsSizes[PCF_GLYPH_PAD_INDEX(format)]; - table->size = RoundUp(size); - table++; - break; - case PCF_INK_METRICS: - if (bitmapFont->ink_metrics) { - if (CanCompressMetrics(ink_minbounds, ink_maxbounds)) { - table->format = PCF_COMPRESSED_METRICS | format; - size = S32 + S16 + bitmapFont->num_chars * (5 * S8); - table->size = RoundUp(size); - } else { - table->format = PCF_DEFAULT_FORMAT | format; - table->size = S32 + S32 + bitmapFont->num_chars * (6 * S16); - } - table++; - } - break; - case PCF_BDF_ENCODINGS: - table->format = PCF_DEFAULT_FORMAT | format; - nencodings = (pFont->info.lastRow - pFont->info.firstRow + 1) * - (pFont->info.lastCol - pFont->info.firstCol + 1); - size = S32 + 5 * S16 + nencodings * S16; - table->size = RoundUp(size); - table++; - break; - case PCF_SWIDTHS: - table->format = PCF_DEFAULT_FORMAT | format; - table->size = S32 + S32 + bitmapFont->num_chars * S32; - table++; - break; - case PCF_GLYPH_NAMES: - table->format = PCF_DEFAULT_FORMAT | format; - glyph_string_size = 0; - for (i = 0; i < bitmapFont->num_chars; i++) - glyph_string_size += strlen(pcfNameForAtom(bitmapFont->bitmapExtra->glyphNames[i])) + 1; - table->size = S32 + S32 + bitmapFont->num_chars * S32 + - S32 + RoundUp(glyph_string_size); - table++; - break; - case PCF_BDF_ACCELERATORS: - if (pFont->info.inkMetrics) - table->format = PCF_ACCEL_W_INKBOUNDS | format; - else - table->format = PCF_DEFAULT_FORMAT | format; - table->size = 100; - table++; - break; - } - } - ntables = table - tables; - offset = 0; - header_size = S32 + S32 + ntables * (4 * S32); - offset = header_size; - for (cur_table = 0, table = tables; - cur_table < ntables; - cur_table++, table++) { - table->offset = offset; - offset += table->size; - } - current_position = 0; - pcfWriteTOC(file, tables, ntables); - for (cur_table = 0, table = tables; - cur_table < ntables; - cur_table++, table++) { - if (current_position > table->offset) { - printf("can't go backwards... %d > %d\n", - (int)current_position, (int)table->offset); - free(offsetProps); - return BadFontName; - } - while (current_position < table->offset) - pcfPutINT8(file, format, '\0'); - pcfPutLSB32(file, table->format); - switch (table->type) { - case PCF_PROPERTIES: - pcfPutINT32(file, format, pFont->info.nprops); - for (i = 0; i < pFont->info.nprops; i++) { - pcfPutINT32(file, format, offsetProps[i].name); - pcfPutINT8(file, format, pFont->info.isStringProp[i]); - pcfPutINT32(file, format, offsetProps[i].value); - } - for (i = 0; i < prop_pad; i++) - pcfPutINT8(file, format, 0); - pcfPutINT32(file, format, prop_string_size); - for (i = 0; i < pFont->info.nprops; i++) { - atom_name = pcfNameForAtom(pFont->info.props[i].name); - pcfWrite(file, atom_name, strlen(atom_name) + 1); - if (pFont->info.isStringProp[i]) { - atom_name = pcfNameForAtom(pFont->info.props[i].value); - pcfWrite(file, atom_name, strlen(atom_name) + 1); - } - } - break; - case PCF_ACCELERATORS: - pcfPutAccel(file, table->format, &bitmapFont->bitmapExtra->info); - break; - case PCF_METRICS: - if (PCF_FORMAT_MATCH(table->format, PCF_COMPRESSED_METRICS)) { - pcfPutINT16(file, format, bitmapFont->num_chars); - for (i = 0; i < bitmapFont->num_chars; i++) - pcfPutCompressedMetric(file, format, &bitmapFont->metrics[i].metrics); - } else { - pcfPutINT32(file, format, bitmapFont->num_chars); - for (i = 0; i < bitmapFont->num_chars; i++) - pcfPutMetric(file, format, &bitmapFont->metrics[i].metrics); - } - break; - case PCF_BITMAPS: - pcfPutINT32(file, format, bitmapFont->num_chars); - glyph = PCF_GLYPH_PAD(format); - offset = 0; - for (i = 0; i < bitmapFont->num_chars; i++) { - pcfPutINT32(file, format, offset); - offset += BYTES_FOR_GLYPH(&bitmapFont->metrics[i], glyph); - } - for (i = 0; i < GLYPHPADOPTIONS; i++) { - pcfPutINT32(file, format, - bitmapFont->bitmapExtra->bitmapsSizes[i]); - } - for (i = 0; i < bitmapFont->num_chars; i++) - pcfPutBitmap(file, format, &bitmapFont->metrics[i]); - break; - case PCF_INK_METRICS: - if (PCF_FORMAT_MATCH(table->format, PCF_COMPRESSED_METRICS)) { - pcfPutINT16(file, format, bitmapFont->num_chars); - for (i = 0; i < bitmapFont->num_chars; i++) - pcfPutCompressedMetric(file, format, &bitmapFont->ink_metrics[i]); - } else { - pcfPutINT32(file, format, bitmapFont->num_chars); - for (i = 0; i < bitmapFont->num_chars; i++) - pcfPutMetric(file, format, &bitmapFont->ink_metrics[i]); - } - break; - case PCF_BDF_ENCODINGS: - pcfPutINT16(file, format, pFont->info.firstCol); - pcfPutINT16(file, format, pFont->info.lastCol); - pcfPutINT16(file, format, pFont->info.firstRow); - pcfPutINT16(file, format, pFont->info.lastRow); - pcfPutINT16(file, format, pFont->info.defaultCh); - for (i = 0; i < nencodings; i++) { - if (ACCESSENCODING(bitmapFont->encoding,i)) - pcfPutINT16(file, format, - ACCESSENCODING(bitmapFont->encoding, i) - - bitmapFont->metrics); - else - pcfPutINT16(file, format, 0xFFFF); - } - break; - case PCF_SWIDTHS: - pcfPutINT32(file, format, bitmapFont->num_chars); - for (i = 0; i < bitmapFont->num_chars; i++) - pcfPutINT32(file, format, bitmapFont->bitmapExtra->sWidths[i]); - break; - case PCF_GLYPH_NAMES: - pcfPutINT32(file, format, bitmapFont->num_chars); - offset = 0; - for (i = 0; i < bitmapFont->num_chars; i++) { - pcfPutINT32(file, format, offset); - offset += strlen(pcfNameForAtom(bitmapFont->bitmapExtra->glyphNames[i])) + 1; - } - pcfPutINT32(file, format, offset); - for (i = 0; i < bitmapFont->num_chars; i++) { - atom_name = pcfNameForAtom(bitmapFont->bitmapExtra->glyphNames[i]); - pcfWrite(file, atom_name, strlen(atom_name) + 1); - } - break; - case PCF_BDF_ACCELERATORS: - pcfPutAccel(file, table->format, &pFont->info); - break; - } - } - - free(offsetProps); - return Successful; -} +/*
+
+Copyright 1990, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+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 OPEN GROUP 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.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+/*
+ * Author: Keith Packard, MIT X Consortium
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <X11/fonts/fntfilst.h>
+#include <X11/fonts/bitmap.h>
+#include <X11/fonts/pcf.h>
+
+/* Write PCF font files */
+
+static CARD32 current_position;
+
+static int
+pcfWrite(FontFilePtr file, char *b, int c)
+{
+ current_position += c;
+ return FontFileWrite(file, b, c);
+}
+
+static int
+pcfPutLSB32(FontFilePtr file, int c)
+{
+ current_position += 4;
+ (void) FontFilePutc(c, file);
+ (void) FontFilePutc(c >> 8, file);
+ (void) FontFilePutc(c >> 16, file);
+ return FontFilePutc(c >> 24, file);
+}
+
+static int
+pcfPutINT32(FontFilePtr file, CARD32 format, int c)
+{
+ current_position += 4;
+ if (PCF_BYTE_ORDER(format) == MSBFirst) {
+ (void) FontFilePutc(c >> 24, file);
+ (void) FontFilePutc(c >> 16, file);
+ (void) FontFilePutc(c >> 8, file);
+ return FontFilePutc(c, file);
+ } else {
+ (void) FontFilePutc(c, file);
+ (void) FontFilePutc(c >> 8, file);
+ (void) FontFilePutc(c >> 16, file);
+ return FontFilePutc(c >> 24, file);
+ }
+}
+
+static int
+pcfPutINT16(FontFilePtr file, CARD32 format, int c)
+{
+ current_position += 2;
+ if (PCF_BYTE_ORDER(format) == MSBFirst) {
+ (void) FontFilePutc(c >> 8, file);
+ return FontFilePutc(c, file);
+ } else {
+ (void) FontFilePutc(c, file);
+ return FontFilePutc(c >> 8, file);
+ }
+}
+
+/*ARGSUSED*/
+static int
+pcfPutINT8(FontFilePtr file, CARD32 format, int c)
+{
+ current_position += 1;
+ return FontFilePutc(c, file);
+}
+
+static void
+pcfWriteTOC(FontFilePtr file, PCFTablePtr table, int count)
+{
+ CARD32 version;
+ int i;
+
+ version = PCF_FILE_VERSION;
+ pcfPutLSB32(file, version);
+ pcfPutLSB32(file, count);
+ for (i = 0; i < count; i++) {
+ pcfPutLSB32(file, table->type);
+ pcfPutLSB32(file, table->format);
+ pcfPutLSB32(file, table->size);
+ pcfPutLSB32(file, table->offset);
+ table++;
+ }
+}
+
+static void
+pcfPutCompressedMetric(FontFilePtr file, CARD32 format, xCharInfo *metric)
+{
+ pcfPutINT8(file, format, metric->leftSideBearing + 0x80);
+ pcfPutINT8(file, format, metric->rightSideBearing + 0x80);
+ pcfPutINT8(file, format, metric->characterWidth + 0x80);
+ pcfPutINT8(file, format, metric->ascent + 0x80);
+ pcfPutINT8(file, format, metric->descent + 0x80);
+}
+
+static void
+pcfPutMetric(FontFilePtr file, CARD32 format, xCharInfo *metric)
+{
+ pcfPutINT16(file, format, metric->leftSideBearing);
+ pcfPutINT16(file, format, metric->rightSideBearing);
+ pcfPutINT16(file, format, metric->characterWidth);
+ pcfPutINT16(file, format, metric->ascent);
+ pcfPutINT16(file, format, metric->descent);
+ pcfPutINT16(file, format, metric->attributes);
+}
+
+static void
+pcfPutBitmap(FontFilePtr file, CARD32 format, CharInfoPtr pCI)
+{
+ int count;
+ unsigned char *bits;
+
+ count = BYTES_FOR_GLYPH(pCI, PCF_GLYPH_PAD(format));
+ bits = (unsigned char *) pCI->bits;
+ current_position += count;
+ while (count--)
+ FontFilePutc(*bits++, file);
+}
+
+static void
+pcfPutAccel(FontFilePtr file, CARD32 format, FontInfoPtr pFontInfo)
+{
+ pcfPutINT8(file, format, pFontInfo->noOverlap);
+ pcfPutINT8(file, format, pFontInfo->constantMetrics);
+ pcfPutINT8(file, format, pFontInfo->terminalFont);
+ pcfPutINT8(file, format, pFontInfo->constantWidth);
+ pcfPutINT8(file, format, pFontInfo->inkInside);
+ pcfPutINT8(file, format, pFontInfo->inkMetrics);
+ pcfPutINT8(file, format, pFontInfo->drawDirection);
+ pcfPutINT8(file, format, 0);
+ pcfPutINT32(file, format, pFontInfo->fontAscent);
+ pcfPutINT32(file, format, pFontInfo->fontDescent);
+ pcfPutINT32(file, format, pFontInfo->maxOverlap);
+ pcfPutMetric(file, format, &pFontInfo->minbounds);
+ pcfPutMetric(file, format, &pFontInfo->maxbounds);
+ if (PCF_FORMAT_MATCH(format, PCF_ACCEL_W_INKBOUNDS)) {
+ pcfPutMetric(file, format, &pFontInfo->ink_minbounds);
+ pcfPutMetric(file, format, &pFontInfo->ink_maxbounds);
+ }
+}
+
+#define S32 4
+#define S16 2
+#define S8 1
+
+#define Pad(s) (RoundUp(s) - (s))
+#define RoundUp(s) (((s) + 3) & ~3)
+
+#define Compressable(i) (-128 <= (i) && (i) <= 127)
+
+#define CanCompressMetric(m) (Compressable((m)->leftSideBearing) && \
+ Compressable((m)->rightSideBearing) && \
+ Compressable((m)->characterWidth) && \
+ Compressable((m)->ascent) && \
+ Compressable((m)->descent) && \
+ (m)->attributes == 0)
+
+#define CanCompressMetrics(min,max) (CanCompressMetric(min) && CanCompressMetric(max))
+
+static char *
+pcfNameForAtom(Atom a)
+{
+ return NameForAtom(a);
+}
+
+int
+pcfWriteFont(FontPtr pFont, FontFilePtr file)
+{
+ PCFTableRec tables[32],
+ *table;
+ CARD32 mask,
+ bit;
+ int ntables;
+ int size;
+ CARD32 format;
+ int i;
+ int cur_table;
+ int prop_string_size;
+ int glyph_string_size;
+ xCharInfo *minbounds,
+ *maxbounds;
+ xCharInfo *ink_minbounds,
+ *ink_maxbounds;
+ BitmapFontPtr bitmapFont;
+ int nencodings = 0;
+ int header_size;
+ FontPropPtr offsetProps;
+ int prop_pad = 0;
+ char *atom_name;
+ int glyph;
+ CARD32 offset;
+
+ bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
+ if (bitmapFont->bitmapExtra) {
+ minbounds = &bitmapFont->bitmapExtra->info.minbounds;
+ maxbounds = &bitmapFont->bitmapExtra->info.maxbounds;
+ ink_minbounds = &bitmapFont->bitmapExtra->info.ink_minbounds;
+ ink_maxbounds = &bitmapFont->bitmapExtra->info.ink_maxbounds;
+ } else {
+ minbounds = &pFont->info.minbounds;
+ maxbounds = &pFont->info.maxbounds;
+ ink_minbounds = &pFont->info.ink_minbounds;
+ ink_maxbounds = &pFont->info.ink_maxbounds;
+ }
+ offsetProps = malloc(pFont->info.nprops * sizeof(FontPropRec));
+ if (!offsetProps) {
+ pcfError("pcfWriteFont(): Couldn't allocate offsetProps (%d*%d)", pFont->info.nprops, sizeof(FontPropRec));
+ return AllocError;
+ }
+ prop_string_size = 0;
+ for (i = 0; i < pFont->info.nprops; i++) {
+ offsetProps[i].name = prop_string_size;
+ prop_string_size += strlen(pcfNameForAtom(pFont->info.props[i].name)) + 1;
+ if (pFont->info.isStringProp[i]) {
+ offsetProps[i].value = prop_string_size;
+ prop_string_size += strlen(pcfNameForAtom(pFont->info.props[i].value)) + 1;
+ } else
+ offsetProps[i].value = pFont->info.props[i].value;
+ }
+ format = PCF_FORMAT(pFont->bit, pFont->byte, pFont->glyph, pFont->scan);
+ mask = 0xFFFFFFF;
+ ntables = 0;
+ table = tables;
+ while (mask) {
+ bit = lowbit(mask);
+ mask &= ~bit;
+ table->type = bit;
+ switch (bit) {
+ case PCF_PROPERTIES:
+ table->format = PCF_DEFAULT_FORMAT | format;
+ size = S32 + S32 + (S32 + S8 + S32) * pFont->info.nprops;
+ prop_pad = Pad(size);
+ table->size = RoundUp(size) + S32 +
+ RoundUp(prop_string_size);
+ table++;
+ break;
+ case PCF_ACCELERATORS:
+ if (bitmapFont->bitmapExtra->info.inkMetrics)
+ table->format = PCF_ACCEL_W_INKBOUNDS | format;
+ else
+ table->format = PCF_DEFAULT_FORMAT | format;
+ table->size = 100;
+ table++;
+ break;
+ case PCF_METRICS:
+ if (CanCompressMetrics(minbounds, maxbounds)) {
+ table->format = PCF_COMPRESSED_METRICS | format;
+ size = S32 + S16 + bitmapFont->num_chars * (5 * S8);
+ table->size = RoundUp(size);
+ } else {
+ table->format = PCF_DEFAULT_FORMAT | format;
+ table->size = S32 + S32 + bitmapFont->num_chars * (6 * S16);
+ }
+ table++;
+ break;
+ case PCF_BITMAPS:
+ table->format = PCF_DEFAULT_FORMAT | format;
+ size = S32 + S32 + bitmapFont->num_chars * S32 +
+ GLYPHPADOPTIONS * S32 +
+ bitmapFont->bitmapExtra->bitmapsSizes[PCF_GLYPH_PAD_INDEX(format)];
+ table->size = RoundUp(size);
+ table++;
+ break;
+ case PCF_INK_METRICS:
+ if (bitmapFont->ink_metrics) {
+ if (CanCompressMetrics(ink_minbounds, ink_maxbounds)) {
+ table->format = PCF_COMPRESSED_METRICS | format;
+ size = S32 + S16 + bitmapFont->num_chars * (5 * S8);
+ table->size = RoundUp(size);
+ } else {
+ table->format = PCF_DEFAULT_FORMAT | format;
+ table->size = S32 + S32 + bitmapFont->num_chars * (6 * S16);
+ }
+ table++;
+ }
+ break;
+ case PCF_BDF_ENCODINGS:
+ table->format = PCF_DEFAULT_FORMAT | format;
+ nencodings = (pFont->info.lastRow - pFont->info.firstRow + 1) *
+ (pFont->info.lastCol - pFont->info.firstCol + 1);
+ size = S32 + 5 * S16 + nencodings * S16;
+ table->size = RoundUp(size);
+ table++;
+ break;
+ case PCF_SWIDTHS:
+ table->format = PCF_DEFAULT_FORMAT | format;
+ table->size = S32 + S32 + bitmapFont->num_chars * S32;
+ table++;
+ break;
+ case PCF_GLYPH_NAMES:
+ table->format = PCF_DEFAULT_FORMAT | format;
+ glyph_string_size = 0;
+ for (i = 0; i < bitmapFont->num_chars; i++)
+ glyph_string_size += strlen(pcfNameForAtom(bitmapFont->bitmapExtra->glyphNames[i])) + 1;
+ table->size = S32 + S32 + bitmapFont->num_chars * S32 +
+ S32 + RoundUp(glyph_string_size);
+ table++;
+ break;
+ case PCF_BDF_ACCELERATORS:
+ if (pFont->info.inkMetrics)
+ table->format = PCF_ACCEL_W_INKBOUNDS | format;
+ else
+ table->format = PCF_DEFAULT_FORMAT | format;
+ table->size = 100;
+ table++;
+ break;
+ }
+ }
+ ntables = table - tables;
+ offset = 0;
+ header_size = S32 + S32 + ntables * (4 * S32);
+ offset = header_size;
+ for (cur_table = 0, table = tables;
+ cur_table < ntables;
+ cur_table++, table++) {
+ table->offset = offset;
+ offset += table->size;
+ }
+ current_position = 0;
+ pcfWriteTOC(file, tables, ntables);
+ for (cur_table = 0, table = tables;
+ cur_table < ntables;
+ cur_table++, table++) {
+ if (current_position > table->offset) {
+ printf("can't go backwards... %d > %d\n",
+ (int)current_position, (int)table->offset);
+ free(offsetProps);
+ return BadFontName;
+ }
+ while (current_position < table->offset)
+ pcfPutINT8(file, format, '\0');
+ pcfPutLSB32(file, table->format);
+ switch (table->type) {
+ case PCF_PROPERTIES:
+ pcfPutINT32(file, format, pFont->info.nprops);
+ for (i = 0; i < pFont->info.nprops; i++) {
+ pcfPutINT32(file, format, offsetProps[i].name);
+ pcfPutINT8(file, format, pFont->info.isStringProp[i]);
+ pcfPutINT32(file, format, offsetProps[i].value);
+ }
+ for (i = 0; i < prop_pad; i++)
+ pcfPutINT8(file, format, 0);
+ pcfPutINT32(file, format, prop_string_size);
+ for (i = 0; i < pFont->info.nprops; i++) {
+ atom_name = pcfNameForAtom(pFont->info.props[i].name);
+ pcfWrite(file, atom_name, strlen(atom_name) + 1);
+ if (pFont->info.isStringProp[i]) {
+ atom_name = pcfNameForAtom(pFont->info.props[i].value);
+ pcfWrite(file, atom_name, strlen(atom_name) + 1);
+ }
+ }
+ break;
+ case PCF_ACCELERATORS:
+ pcfPutAccel(file, table->format, &bitmapFont->bitmapExtra->info);
+ break;
+ case PCF_METRICS:
+ if (PCF_FORMAT_MATCH(table->format, PCF_COMPRESSED_METRICS)) {
+ pcfPutINT16(file, format, bitmapFont->num_chars);
+ for (i = 0; i < bitmapFont->num_chars; i++)
+ pcfPutCompressedMetric(file, format, &bitmapFont->metrics[i].metrics);
+ } else {
+ pcfPutINT32(file, format, bitmapFont->num_chars);
+ for (i = 0; i < bitmapFont->num_chars; i++)
+ pcfPutMetric(file, format, &bitmapFont->metrics[i].metrics);
+ }
+ break;
+ case PCF_BITMAPS:
+ pcfPutINT32(file, format, bitmapFont->num_chars);
+ glyph = PCF_GLYPH_PAD(format);
+ offset = 0;
+ for (i = 0; i < bitmapFont->num_chars; i++) {
+ pcfPutINT32(file, format, offset);
+ offset += BYTES_FOR_GLYPH(&bitmapFont->metrics[i], glyph);
+ }
+ for (i = 0; i < GLYPHPADOPTIONS; i++) {
+ pcfPutINT32(file, format,
+ bitmapFont->bitmapExtra->bitmapsSizes[i]);
+ }
+ for (i = 0; i < bitmapFont->num_chars; i++)
+ pcfPutBitmap(file, format, &bitmapFont->metrics[i]);
+ break;
+ case PCF_INK_METRICS:
+ if (PCF_FORMAT_MATCH(table->format, PCF_COMPRESSED_METRICS)) {
+ pcfPutINT16(file, format, bitmapFont->num_chars);
+ for (i = 0; i < bitmapFont->num_chars; i++)
+ pcfPutCompressedMetric(file, format, &bitmapFont->ink_metrics[i]);
+ } else {
+ pcfPutINT32(file, format, bitmapFont->num_chars);
+ for (i = 0; i < bitmapFont->num_chars; i++)
+ pcfPutMetric(file, format, &bitmapFont->ink_metrics[i]);
+ }
+ break;
+ case PCF_BDF_ENCODINGS:
+ pcfPutINT16(file, format, pFont->info.firstCol);
+ pcfPutINT16(file, format, pFont->info.lastCol);
+ pcfPutINT16(file, format, pFont->info.firstRow);
+ pcfPutINT16(file, format, pFont->info.lastRow);
+ pcfPutINT16(file, format, pFont->info.defaultCh);
+ for (i = 0; i < nencodings; i++) {
+ if (ACCESSENCODING(bitmapFont->encoding,i))
+ pcfPutINT16(file, format,
+ ACCESSENCODING(bitmapFont->encoding, i) -
+ bitmapFont->metrics);
+ else
+ pcfPutINT16(file, format, 0xFFFF);
+ }
+ break;
+ case PCF_SWIDTHS:
+ pcfPutINT32(file, format, bitmapFont->num_chars);
+ for (i = 0; i < bitmapFont->num_chars; i++)
+ pcfPutINT32(file, format, bitmapFont->bitmapExtra->sWidths[i]);
+ break;
+ case PCF_GLYPH_NAMES:
+ pcfPutINT32(file, format, bitmapFont->num_chars);
+ offset = 0;
+ for (i = 0; i < bitmapFont->num_chars; i++) {
+ pcfPutINT32(file, format, offset);
+ offset += strlen(pcfNameForAtom(bitmapFont->bitmapExtra->glyphNames[i])) + 1;
+ }
+ pcfPutINT32(file, format, offset);
+ for (i = 0; i < bitmapFont->num_chars; i++) {
+ atom_name = pcfNameForAtom(bitmapFont->bitmapExtra->glyphNames[i]);
+ pcfWrite(file, atom_name, strlen(atom_name) + 1);
+ }
+ break;
+ case PCF_BDF_ACCELERATORS:
+ pcfPutAccel(file, table->format, &pFont->info);
+ break;
+ }
+ }
+
+ free(offsetProps);
+ return Successful;
+}
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