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 4c0771e2a..3ac07b359 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; +} |