aboutsummaryrefslogtreecommitdiff
path: root/libXfont/src/bitmap/bdfread.c
diff options
context:
space:
mode:
Diffstat (limited to 'libXfont/src/bitmap/bdfread.c')
-rw-r--r--libXfont/src/bitmap/bdfread.c1910
1 files changed, 955 insertions, 955 deletions
diff --git a/libXfont/src/bitmap/bdfread.c b/libXfont/src/bitmap/bdfread.c
index 2464c03cc..1ae3b85cd 100644
--- a/libXfont/src/bitmap/bdfread.c
+++ b/libXfont/src/bitmap/bdfread.c
@@ -1,955 +1,955 @@
-/************************************************************************
-Copyright 1989 by Digital Equipment Corporation, Maynard, Massachusetts.
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the name of Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-
-************************************************************************/
-
-/*
-
-Copyright 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.
-
-*/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <ctype.h>
-#include <X11/fonts/fntfilst.h>
-#include <X11/fonts/fontutil.h>
-/* use bitmap structure */
-#include <X11/fonts/bitmap.h>
-#include <X11/fonts/bdfint.h>
-
-#if HAVE_STDINT_H
-#include <stdint.h>
-#elif !defined(INT32_MAX)
-#define INT32_MAX 0x7fffffff
-#endif
-
-#define INDICES 256
-#define MAXENCODING 0xFFFF
-#define BDFLINELEN 1024
-
-static Bool bdfPadToTerminal(FontPtr pFont);
-extern int bdfFileLineNum;
-
-/***====================================================================***/
-
-static Bool
-bdfReadBitmap(CharInfoPtr pCI, FontFilePtr file, int bit, int byte,
- int glyph, int scan, CARD32 *sizes)
-{
- int widthBits,
- widthBytes,
- widthHexChars;
- int height,
- row;
- int i,
- inLineLen,
- nextByte;
- unsigned char *pInBits,
- *picture,
- *line = NULL;
- unsigned char lineBuf[BDFLINELEN];
-
- widthBits = GLYPHWIDTHPIXELS(pCI);
- height = GLYPHHEIGHTPIXELS(pCI);
-
- widthBytes = BYTES_PER_ROW(widthBits, glyph);
- if (widthBytes * height > 0) {
- picture = malloc(widthBytes * height);
- if (!picture) {
- bdfError("Couldn't allocate picture (%d*%d)\n", widthBytes, height);
- goto BAILOUT;
- }
- } else
- picture = NULL;
- pCI->bits = (char *) picture;
-
- if (sizes) {
- for (i = 0; i < GLYPHPADOPTIONS; i++)
- sizes[i] += BYTES_PER_ROW(widthBits, (1 << i)) * height;
- }
- nextByte = 0;
- widthHexChars = BYTES_PER_ROW(widthBits, 1);
-
-/* 5/31/89 (ef) -- hack, hack, hack. what *am* I supposed to do with */
-/* 0 width characters? */
-
- for (row = 0; row < height; row++) {
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- if (!line)
- break;
-
- if (widthBits == 0) {
- if ((!line) || (bdfIsPrefix(line, "ENDCHAR")))
- break;
- else
- continue;
- }
- pInBits = line;
- inLineLen = strlen((char *) pInBits);
-
- if (inLineLen & 1) {
- bdfError("odd number of characters in hex encoding\n");
- line[inLineLen++] = '0';
- line[inLineLen] = '\0';
- }
- inLineLen >>= 1;
- i = inLineLen;
- if (i > widthHexChars)
- i = widthHexChars;
- for (; i > 0; i--, pInBits += 2)
- picture[nextByte++] = bdfHexByte(pInBits);
-
- /* pad if line is too short */
- if (inLineLen < widthHexChars) {
- for (i = widthHexChars - inLineLen; i > 0; i--)
- picture[nextByte++] = 0;
- } else {
- unsigned char mask;
-
- mask = 0xff << (8 - (widthBits & 0x7));
- if (mask && picture[nextByte - 1] & ~mask) {
- picture[nextByte - 1] &= mask;
- }
- }
-
- if (widthBytes > widthHexChars) {
- i = widthBytes - widthHexChars;
- while (i-- > 0)
- picture[nextByte++] = 0;
- }
- }
-
- if ((line && (!bdfIsPrefix(line, "ENDCHAR"))) || (height == 0))
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
-
- if ((!line) || (!bdfIsPrefix(line, "ENDCHAR"))) {
- bdfError("missing 'ENDCHAR'\n");
- goto BAILOUT;
- }
- if (nextByte != height * widthBytes) {
- bdfError("bytes != rows * bytes_per_row (%d != %d * %d)\n",
- nextByte, height, widthBytes);
- goto BAILOUT;
- }
- if (picture != NULL) {
- if (bit == LSBFirst)
- BitOrderInvert(picture, nextByte);
- if (bit != byte) {
- if (scan == 2)
- TwoByteSwap(picture, nextByte);
- else if (scan == 4)
- FourByteSwap(picture, nextByte);
- }
- }
- return (TRUE);
-BAILOUT:
- if (picture)
- free(picture);
- pCI->bits = NULL;
- return (FALSE);
-}
-
-/***====================================================================***/
-
-static Bool
-bdfSkipBitmap(FontFilePtr file, int height)
-{
- unsigned char *line;
- int i = 0;
- unsigned char lineBuf[BDFLINELEN];
-
- do {
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- i++;
- } while (line && !bdfIsPrefix(line, "ENDCHAR") && i <= height);
-
- if (i > 1 && line && !bdfIsPrefix(line, "ENDCHAR")) {
- bdfError("Error in bitmap, missing 'ENDCHAR'\n");
- return (FALSE);
- }
- return (TRUE);
-}
-
-/***====================================================================***/
-
-static void
-bdfFreeFontBits(FontPtr pFont)
-{
- BitmapFontPtr bitmapFont;
- BitmapExtraPtr bitmapExtra;
- int i, nencoding;
-
- bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
- bitmapExtra = (BitmapExtraPtr) bitmapFont->bitmapExtra;
- free(bitmapFont->ink_metrics);
- if(bitmapFont->encoding) {
- nencoding = (pFont->info.lastCol - pFont->info.firstCol + 1) *
- (pFont->info.lastRow - pFont->info.firstRow + 1);
- for(i=0; i<NUM_SEGMENTS(nencoding); i++)
- free(bitmapFont->encoding[i]);
- }
- free(bitmapFont->encoding);
- for (i = 0; i < bitmapFont->num_chars; i++)
- free(bitmapFont->metrics[i].bits);
- free(bitmapFont->metrics);
- if (bitmapExtra)
- {
- free (bitmapExtra->glyphNames);
- free (bitmapExtra->sWidths);
- free (bitmapExtra);
- }
- free(pFont->info.props);
- free(bitmapFont);
-}
-
-
-static Bool
-bdfReadCharacters(FontFilePtr file, FontPtr pFont, bdfFileState *pState,
- int bit, int byte, int glyph, int scan)
-{
- unsigned char *line;
- register CharInfoPtr ci;
- int i,
- ndx,
- nchars,
- nignored;
- unsigned int char_row, char_col;
- int numEncodedGlyphs = 0;
- CharInfoPtr *bdfEncoding[256];
- BitmapFontPtr bitmapFont;
- BitmapExtraPtr bitmapExtra;
- CARD32 *bitmapsSizes;
- unsigned char lineBuf[BDFLINELEN];
- int nencoding;
-
- bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
- bitmapExtra = (BitmapExtraPtr) bitmapFont->bitmapExtra;
-
- if (bitmapExtra) {
- bitmapsSizes = bitmapExtra->bitmapsSizes;
- for (i = 0; i < GLYPHPADOPTIONS; i++)
- bitmapsSizes[i] = 0;
- } else
- bitmapsSizes = NULL;
-
- bzero(bdfEncoding, sizeof(bdfEncoding));
- bitmapFont->metrics = NULL;
- ndx = 0;
-
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
-
- if ((!line) || (sscanf((char *) line, "CHARS %d", &nchars) != 1)) {
- bdfError("bad 'CHARS' in bdf file\n");
- return (FALSE);
- }
- if (nchars < 1) {
- bdfError("invalid number of CHARS in BDF file\n");
- return (FALSE);
- }
- if (nchars > INT32_MAX / sizeof(CharInfoRec)) {
- bdfError("Couldn't allocate pCI (%d*%d)\n", nchars,
- sizeof(CharInfoRec));
- goto BAILOUT;
- }
- ci = calloc(nchars, sizeof(CharInfoRec));
- if (!ci) {
- bdfError("Couldn't allocate pCI (%d*%d)\n", nchars,
- sizeof(CharInfoRec));
- goto BAILOUT;
- }
- bitmapFont->metrics = ci;
-
- if (bitmapExtra) {
- bitmapExtra->glyphNames = malloc(nchars * sizeof(Atom));
- if (!bitmapExtra->glyphNames) {
- bdfError("Couldn't allocate glyphNames (%d*%d)\n",
- nchars, sizeof(Atom));
- goto BAILOUT;
- }
- }
- if (bitmapExtra) {
- bitmapExtra->sWidths = malloc(nchars * sizeof(int));
- if (!bitmapExtra->sWidths) {
- bdfError("Couldn't allocate sWidth (%d *%d)\n",
- nchars, sizeof(int));
- return FALSE;
- }
- }
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- pFont->info.firstRow = 256;
- pFont->info.lastRow = 0;
- pFont->info.firstCol = 256;
- pFont->info.lastCol = 0;
- nignored = 0;
- for (ndx = 0; (ndx < nchars) && (line) && (bdfIsPrefix(line, "STARTCHAR"));) {
- int t;
- int wx; /* x component of width */
- int wy; /* y component of width */
- int bw; /* bounding-box width */
- int bh; /* bounding-box height */
- int bl; /* bounding-box left */
- int bb; /* bounding-box bottom */
- int enc,
- enc2; /* encoding */
- unsigned char *p; /* temp pointer into line */
- char charName[100];
- int ignore;
-
- if (sscanf((char *) line, "STARTCHAR %s", charName) != 1) {
- bdfError("bad character name in BDF file\n");
- goto BAILOUT; /* bottom of function, free and return error */
- }
- if (bitmapExtra)
- bitmapExtra->glyphNames[ndx] = bdfForceMakeAtom(charName, NULL);
-
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- if (!line || (t = sscanf((char *) line, "ENCODING %d %d", &enc, &enc2)) < 1) {
- bdfError("bad 'ENCODING' in BDF file\n");
- goto BAILOUT;
- }
- if (enc < -1 || (t == 2 && enc2 < -1)) {
- bdfError("bad ENCODING value");
- goto BAILOUT;
- }
- if (t == 2 && enc == -1)
- enc = enc2;
- ignore = 0;
- if (enc == -1) {
- if (!bitmapExtra) {
- nignored++;
- ignore = 1;
- }
- } else if (enc > MAXENCODING) {
- bdfError("char '%s' has encoding too large (%d)\n",
- charName, enc);
- } else {
- char_row = (enc >> 8) & 0xFF;
- char_col = enc & 0xFF;
- if (char_row < pFont->info.firstRow)
- pFont->info.firstRow = char_row;
- if (char_row > pFont->info.lastRow)
- pFont->info.lastRow = char_row;
- if (char_col < pFont->info.firstCol)
- pFont->info.firstCol = char_col;
- if (char_col > pFont->info.lastCol)
- pFont->info.lastCol = char_col;
- if (bdfEncoding[char_row] == (CharInfoPtr *) NULL) {
- bdfEncoding[char_row] = malloc(256 * sizeof(CharInfoPtr));
- if (!bdfEncoding[char_row]) {
- bdfError("Couldn't allocate row %d of encoding (%d*%d)\n",
- char_row, INDICES, sizeof(CharInfoPtr));
- goto BAILOUT;
- }
- for (i = 0; i < 256; i++)
- bdfEncoding[char_row][i] = (CharInfoPtr) NULL;
- }
- if (bdfEncoding[char_row] != NULL) {
- bdfEncoding[char_row][char_col] = ci;
- numEncodedGlyphs++;
- }
- }
-
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- if ((!line) || (sscanf((char *) line, "SWIDTH %d %d", &wx, &wy) != 2)) {
- bdfError("bad 'SWIDTH'\n");
- goto BAILOUT;
- }
- if (wy != 0) {
- bdfError("SWIDTH y value must be zero\n");
- goto BAILOUT;
- }
- if (bitmapExtra)
- bitmapExtra->sWidths[ndx] = wx;
-
-/* 5/31/89 (ef) -- we should be able to ditch the character and recover */
-/* from all of these. */
-
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- if ((!line) || (sscanf((char *) line, "DWIDTH %d %d", &wx, &wy) != 2)) {
- bdfError("bad 'DWIDTH'\n");
- goto BAILOUT;
- }
- if (wy != 0) {
- bdfError("DWIDTH y value must be zero\n");
- goto BAILOUT;
- }
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- if ((!line) || (sscanf((char *) line, "BBX %d %d %d %d", &bw, &bh, &bl, &bb) != 4)) {
- bdfError("bad 'BBX'\n");
- goto BAILOUT;
- }
- if ((bh < 0) || (bw < 0)) {
- bdfError("character '%s' has a negative sized bitmap, %dx%d\n",
- charName, bw, bh);
- goto BAILOUT;
- }
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- if ((line) && (bdfIsPrefix(line, "ATTRIBUTES"))) {
- for (p = line + strlen("ATTRIBUTES ");
- (*p == ' ') || (*p == '\t');
- p++)
- /* empty for loop */ ;
- ci->metrics.attributes = (bdfHexByte(p) << 8) + bdfHexByte(p + 2);
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- } else
- ci->metrics.attributes = 0;
-
- if (!line || !bdfIsPrefix(line, "BITMAP")) {
- bdfError("missing 'BITMAP'\n");
- goto BAILOUT;
- }
- /* collect data for generated properties */
- if ((strlen(charName) == 1)) {
- if ((charName[0] >= '0') && (charName[0] <= '9')) {
- pState->digitWidths += wx;
- pState->digitCount++;
- } else if (charName[0] == 'x') {
- pState->exHeight = (bh + bb) <= 0 ? bh : bh + bb;
- }
- }
- if (!ignore) {
- ci->metrics.leftSideBearing = bl;
- ci->metrics.rightSideBearing = bl + bw;
- ci->metrics.ascent = bh + bb;
- ci->metrics.descent = -bb;
- ci->metrics.characterWidth = wx;
- ci->bits = NULL;
- bdfReadBitmap(ci, file, bit, byte, glyph, scan, bitmapsSizes);
- ci++;
- ndx++;
- } else
- bdfSkipBitmap(file, bh);
-
- line = bdfGetLine(file, lineBuf, BDFLINELEN); /* get STARTCHAR or
- * ENDFONT */
- }
-
- if (ndx + nignored != nchars) {
- bdfError("%d too few characters\n", nchars - (ndx + nignored));
- goto BAILOUT;
- }
- nchars = ndx;
- bitmapFont->num_chars = nchars;
- if ((line) && (bdfIsPrefix(line, "STARTCHAR"))) {
- bdfError("more characters than specified\n");
- goto BAILOUT;
- }
- if ((!line) || (!bdfIsPrefix(line, "ENDFONT"))) {
- bdfError("missing 'ENDFONT'\n");
- goto BAILOUT;
- }
- if (numEncodedGlyphs == 0)
- bdfWarning("No characters with valid encodings\n");
-
- nencoding = (pFont->info.lastRow - pFont->info.firstRow + 1) *
- (pFont->info.lastCol - pFont->info.firstCol + 1);
- bitmapFont->encoding = calloc(NUM_SEGMENTS(nencoding),sizeof(CharInfoPtr*));
- if (!bitmapFont->encoding) {
- bdfError("Couldn't allocate ppCI (%d,%d)\n",
- NUM_SEGMENTS(nencoding),
- sizeof(CharInfoPtr*));
- goto BAILOUT;
- }
- pFont->info.allExist = TRUE;
- i = 0;
- for (char_row = pFont->info.firstRow;
- char_row <= pFont->info.lastRow;
- char_row++) {
- if (bdfEncoding[char_row] == (CharInfoPtr *) NULL) {
- pFont->info.allExist = FALSE;
- i += pFont->info.lastCol - pFont->info.firstCol + 1;
- } else {
- for (char_col = pFont->info.firstCol;
- char_col <= pFont->info.lastCol;
- char_col++) {
- if (!bdfEncoding[char_row][char_col])
- pFont->info.allExist = FALSE;
- else {
- if (!bitmapFont->encoding[SEGMENT_MAJOR(i)]) {
- bitmapFont->encoding[SEGMENT_MAJOR(i)]=
- calloc(BITMAP_FONT_SEGMENT_SIZE,
- sizeof(CharInfoPtr));
- if (!bitmapFont->encoding[SEGMENT_MAJOR(i)])
- goto BAILOUT;
- }
- ACCESSENCODINGL(bitmapFont->encoding,i) =
- bdfEncoding[char_row][char_col];
- }
- i++;
- }
- }
- }
- for (i = 0; i < 256; i++)
- if (bdfEncoding[i])
- free(bdfEncoding[i]);
- return (TRUE);
-BAILOUT:
- for (i = 0; i < 256; i++)
- if (bdfEncoding[i])
- free(bdfEncoding[i]);
- /* bdfFreeFontBits will clean up the rest */
- return (FALSE);
-}
-
-/***====================================================================***/
-
-static Bool
-bdfReadHeader(FontFilePtr file, bdfFileState *pState)
-{
- unsigned char *line;
- char namebuf[BDFLINELEN];
- unsigned char lineBuf[BDFLINELEN];
-
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- if (!line || sscanf((char *) line, "STARTFONT %s", namebuf) != 1 ||
- !bdfStrEqual(namebuf, "2.1")) {
- bdfError("bad 'STARTFONT'\n");
- return (FALSE);
- }
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- if (!line || sscanf((char *) line, "FONT %[^\n]", pState->fontName) != 1) {
- bdfError("bad 'FONT'\n");
- return (FALSE);
- }
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- if (!line || !bdfIsPrefix(line, "SIZE")) {
- bdfError("missing 'SIZE'\n");
- return (FALSE);
- }
- if (sscanf((char *) line, "SIZE %f%d%d", &pState->pointSize,
- &pState->resolution_x, &pState->resolution_y) != 3) {
- bdfError("bad 'SIZE'\n");
- return (FALSE);
- }
- if (pState->pointSize < 1 ||
- pState->resolution_x < 1 || pState->resolution_y < 1) {
- bdfError("SIZE values must be > 0\n");
- return (FALSE);
- }
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- if (!line || !bdfIsPrefix(line, "FONTBOUNDINGBOX")) {
- bdfError("missing 'FONTBOUNDINGBOX'\n");
- return (FALSE);
- }
- return (TRUE);
-}
-
-/***====================================================================***/
-
-static Bool
-bdfReadProperties(FontFilePtr file, FontPtr pFont, bdfFileState *pState)
-{
- int nProps, props_left,
- nextProp;
- char *stringProps;
- FontPropPtr props;
- char namebuf[BDFLINELEN],
- secondbuf[BDFLINELEN],
- thirdbuf[BDFLINELEN];
- unsigned char *line;
- unsigned char lineBuf[BDFLINELEN];
- BitmapFontPtr bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
-
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- if (!line || !bdfIsPrefix(line, "STARTPROPERTIES")) {
- bdfError("missing 'STARTPROPERTIES'\n");
- return (FALSE);
- }
- if (sscanf((char *) line, "STARTPROPERTIES %d", &nProps) != 1) {
- bdfError("bad 'STARTPROPERTIES'\n");
- return (FALSE);
- }
- pFont->info.isStringProp = NULL;
- pFont->info.props = NULL;
- pFont->info.nprops = 0;
-
- stringProps = malloc((nProps + BDF_GENPROPS) * sizeof(char));
- pFont->info.isStringProp = stringProps;
- if (stringProps == NULL) {
- bdfError("Couldn't allocate stringProps (%d*%d)\n",
- (nProps + BDF_GENPROPS), sizeof(Bool));
- goto BAILOUT;
- }
- pFont->info.props = props = calloc(nProps + BDF_GENPROPS,
- sizeof(FontPropRec));
- if (props == NULL) {
- bdfError("Couldn't allocate props (%d*%d)\n", nProps + BDF_GENPROPS,
- sizeof(FontPropRec));
- goto BAILOUT;
- }
-
- nextProp = 0;
- props_left = nProps;
- while (props_left-- > 0) {
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- if (line == NULL || bdfIsPrefix(line, "ENDPROPERTIES")) {
- bdfError("\"STARTPROPERTIES %d\" followed by only %d properties\n",
- nProps, nProps - props_left - 1);
- goto BAILOUT;
- }
- while (*line && isspace(*line))
- line++;
-
- switch (sscanf((char *) line, "%s%s%s", namebuf, secondbuf, thirdbuf)) {
- default:
- bdfError("missing '%s' parameter value\n", namebuf);
- goto BAILOUT;
-
- case 2:
- /*
- * Possibilites include: valid quoted string with no white space
- * valid integer value invalid value
- */
- if (secondbuf[0] == '"') {
- stringProps[nextProp] = TRUE;
- props[nextProp].value =
- bdfGetPropertyValue((char *)line + strlen(namebuf) + 1);
- if (!props[nextProp].value)
- goto BAILOUT;
- break;
- } else if (bdfIsInteger(secondbuf)) {
- stringProps[nextProp] = FALSE;
- props[nextProp].value = atoi(secondbuf);
- break;
- } else {
- bdfError("invalid '%s' parameter value\n", namebuf);
- goto BAILOUT;
- }
-
- case 3:
- /*
- * Possibilites include: valid quoted string with some white space
- * invalid value (reject even if second string is integer)
- */
- if (secondbuf[0] == '"') {
- stringProps[nextProp] = TRUE;
- props[nextProp].value =
- bdfGetPropertyValue((char *)line + strlen(namebuf) + 1);
- if (!props[nextProp].value)
- goto BAILOUT;
- break;
- } else {
- bdfError("invalid '%s' parameter value\n", namebuf);
- goto BAILOUT;
- }
- }
- props[nextProp].name = bdfForceMakeAtom(namebuf, NULL);
- if (props[nextProp].name == None) {
- bdfError("Empty property name.\n");
- goto BAILOUT;
- }
- if (!bdfSpecialProperty(pFont, &props[nextProp],
- stringProps[nextProp], pState))
- nextProp++;
- }
-
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- if (!line || !bdfIsPrefix(line, "ENDPROPERTIES")) {
- bdfError("missing 'ENDPROPERTIES'\n");
- goto BAILOUT;
- }
- if (!pState->haveFontAscent || !pState->haveFontDescent) {
- bdfError("missing 'FONT_ASCENT' or 'FONT_DESCENT' properties\n");
- goto BAILOUT;
- }
- if (bitmapFont->bitmapExtra) {
- bitmapFont->bitmapExtra->info.fontAscent = pFont->info.fontAscent;
- bitmapFont->bitmapExtra->info.fontDescent = pFont->info.fontDescent;
- }
- if (!pState->pointSizeProp) {
- props[nextProp].name = bdfForceMakeAtom("POINT_SIZE", NULL);
- props[nextProp].value = (INT32) (pState->pointSize * 10.0);
- stringProps[nextProp] = FALSE;
- pState->pointSizeProp = &props[nextProp];
- nextProp++;
- }
- if (!pState->fontProp) {
- props[nextProp].name = bdfForceMakeAtom("FONT", NULL);
- props[nextProp].value = (INT32) bdfForceMakeAtom(pState->fontName, NULL);
- stringProps[nextProp] = TRUE;
- pState->fontProp = &props[nextProp];
- nextProp++;
- }
- if (!pState->weightProp) {
- props[nextProp].name = bdfForceMakeAtom("WEIGHT", NULL);
- props[nextProp].value = -1; /* computed later */
- stringProps[nextProp] = FALSE;
- pState->weightProp = &props[nextProp];
- nextProp++;
- }
- if (!pState->resolutionProp &&
- pState->resolution_x == pState->resolution_y) {
- props[nextProp].name = bdfForceMakeAtom("RESOLUTION", NULL);
- props[nextProp].value = (INT32) ((pState->resolution_x * 100.0) / 72.27);
- stringProps[nextProp] = FALSE;
- pState->resolutionProp = &props[nextProp];
- nextProp++;
- }
- if (!pState->resolutionXProp) {
- props[nextProp].name = bdfForceMakeAtom("RESOLUTION_X", NULL);
- props[nextProp].value = (INT32) pState->resolution_x;
- stringProps[nextProp] = FALSE;
- pState->resolutionProp = &props[nextProp];
- nextProp++;
- }
- if (!pState->resolutionYProp) {
- props[nextProp].name = bdfForceMakeAtom("RESOLUTION_Y", NULL);
- props[nextProp].value = (INT32) pState->resolution_y;
- stringProps[nextProp] = FALSE;
- pState->resolutionProp = &props[nextProp];
- nextProp++;
- }
- if (!pState->xHeightProp) {
- props[nextProp].name = bdfForceMakeAtom("X_HEIGHT", NULL);
- props[nextProp].value = -1; /* computed later */
- stringProps[nextProp] = FALSE;
- pState->xHeightProp = &props[nextProp];
- nextProp++;
- }
- if (!pState->quadWidthProp) {
- props[nextProp].name = bdfForceMakeAtom("QUAD_WIDTH", NULL);
- props[nextProp].value = -1; /* computed later */
- stringProps[nextProp] = FALSE;
- pState->quadWidthProp = &props[nextProp];
- nextProp++;
- }
- pFont->info.nprops = nextProp;
- return (TRUE);
-BAILOUT:
- if (pFont->info.isStringProp) {
- free(pFont->info.isStringProp);
- pFont->info.isStringProp = NULL;
- }
- if (pFont->info.props) {
- free(pFont->info.props);
- pFont->info.props = NULL;
- }
- while (line && bdfIsPrefix(line, "ENDPROPERTIES"))
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- return (FALSE);
-}
-
-/***====================================================================***/
-
-static void
-bdfUnloadFont(FontPtr pFont)
-{
- bdfFreeFontBits (pFont);
- DestroyFontRec(pFont);
-}
-
-int
-bdfReadFont(FontPtr pFont, FontFilePtr file,
- int bit, int byte, int glyph, int scan)
-{
- bdfFileState state;
- xCharInfo *min,
- *max;
- BitmapFontPtr bitmapFont;
-
- pFont->fontPrivate = 0;
-
- bzero(&state, sizeof(bdfFileState));
- bdfFileLineNum = 0;
-
- if (!bdfReadHeader(file, &state))
- goto BAILOUT;
-
- bitmapFont = calloc(1, sizeof(BitmapFontRec));
- if (!bitmapFont) {
- bdfError("Couldn't allocate bitmapFontRec (%d)\n", sizeof(BitmapFontRec));
- goto BAILOUT;
- }
-
- pFont->fontPrivate = (pointer) bitmapFont;
- bitmapFont->metrics = 0;
- bitmapFont->ink_metrics = 0;
- bitmapFont->bitmaps = 0;
- bitmapFont->encoding = 0;
- bitmapFont->pDefault = NULL;
-
- bitmapFont->bitmapExtra = calloc(1, sizeof(BitmapExtraRec));
- if (!bitmapFont->bitmapExtra) {
- bdfError("Couldn't allocate bitmapExtra (%d)\n", sizeof(BitmapExtraRec));
- goto BAILOUT;
- }
-
- bitmapFont->bitmapExtra->glyphNames = 0;
- bitmapFont->bitmapExtra->sWidths = 0;
-
- if (!bdfReadProperties(file, pFont, &state))
- goto BAILOUT;
-
- if (!bdfReadCharacters(file, pFont, &state, bit, byte, glyph, scan))
- goto BAILOUT;
-
- if (state.haveDefaultCh) {
- unsigned int r, c, cols;
-
- r = pFont->info.defaultCh >> 8;
- c = pFont->info.defaultCh & 0xFF;
- if (pFont->info.firstRow <= r && r <= pFont->info.lastRow &&
- pFont->info.firstCol <= c && c <= pFont->info.lastCol) {
- cols = pFont->info.lastCol - pFont->info.firstCol + 1;
- r = r - pFont->info.firstRow;
- c = c - pFont->info.firstCol;
- bitmapFont->pDefault = ACCESSENCODING(bitmapFont->encoding,
- r * cols + c);
- }
- }
- pFont->bit = bit;
- pFont->byte = byte;
- pFont->glyph = glyph;
- pFont->scan = scan;
- pFont->info.anamorphic = FALSE;
- pFont->info.cachable = TRUE;
- bitmapComputeFontBounds(pFont);
- if (FontCouldBeTerminal(&pFont->info)) {
- bdfPadToTerminal(pFont);
- bitmapComputeFontBounds(pFont);
- }
- FontComputeInfoAccelerators(&pFont->info);
- if (bitmapFont->bitmapExtra)
- FontComputeInfoAccelerators(&bitmapFont->bitmapExtra->info);
- if (pFont->info.constantMetrics) {
- if (!bitmapAddInkMetrics(pFont)) {
- bdfError("Failed to add bitmap ink metrics\n");
- goto BAILOUT;
- }
- }
- if (bitmapFont->bitmapExtra)
- bitmapFont->bitmapExtra->info.inkMetrics = pFont->info.inkMetrics;
-
- bitmapComputeFontInkBounds(pFont);
-/* ComputeFontAccelerators (pFont); */
-
- /* generate properties */
- min = &pFont->info.ink_minbounds;
- max = &pFont->info.ink_maxbounds;
- if (state.xHeightProp && (state.xHeightProp->value == -1))
- state.xHeightProp->value = state.exHeight ?
- state.exHeight : min->ascent;
-
- if (state.quadWidthProp && (state.quadWidthProp->value == -1))
- state.quadWidthProp->value = state.digitCount ?
- (INT32) (state.digitWidths / state.digitCount) :
- (min->characterWidth + max->characterWidth) / 2;
-
- if (state.weightProp && (state.weightProp->value == -1))
- state.weightProp->value = bitmapComputeWeight(pFont);
-
- pFont->get_glyphs = bitmapGetGlyphs;
- pFont->get_metrics = bitmapGetMetrics;
- pFont->unload_font = bdfUnloadFont;
- pFont->unload_glyphs = NULL;
- return Successful;
-BAILOUT:
- if (pFont->fontPrivate)
- bdfFreeFontBits (pFont);
- return AllocError;
-}
-
-int
-bdfReadFontInfo(FontInfoPtr pFontInfo, FontFilePtr file)
-{
- FontRec font;
- int ret;
-
- bzero(&font, sizeof (FontRec));
-
- ret = bdfReadFont(&font, file, MSBFirst, LSBFirst, 1, 1);
- if (ret == Successful) {
- *pFontInfo = font.info;
- font.info.props = 0;
- font.info.isStringProp = 0;
- font.info.nprops = 0;
- bdfFreeFontBits (&font);
- }
- return ret;
-}
-
-static Bool
-bdfPadToTerminal(FontPtr pFont)
-{
- BitmapFontPtr bitmapFont;
- BitmapExtraPtr bitmapExtra;
- int i;
- int new_size;
- CharInfoRec new;
- int w,
- h;
-
- bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
-
- bzero(&new, sizeof(CharInfoRec));
- new.metrics.ascent = pFont->info.fontAscent;
- new.metrics.descent = pFont->info.fontDescent;
- new.metrics.leftSideBearing = 0;
- new.metrics.rightSideBearing = pFont->info.minbounds.characterWidth;
- new.metrics.characterWidth = new.metrics.rightSideBearing;
- new_size = BYTES_FOR_GLYPH(&new, pFont->glyph);
-
- for (i = 0; i < bitmapFont->num_chars; i++) {
- new.bits = malloc(new_size);
- if (!new.bits) {
- bdfError("Couldn't allocate bits (%d)\n", new_size);
- return FALSE;
- }
- FontCharReshape(pFont, &bitmapFont->metrics[i], &new);
- new.metrics.attributes = bitmapFont->metrics[i].metrics.attributes;
- free(bitmapFont->metrics[i].bits);
- bitmapFont->metrics[i] = new;
- }
- bitmapExtra = bitmapFont->bitmapExtra;
- if (bitmapExtra) {
- w = GLYPHWIDTHPIXELS(&new);
- h = GLYPHHEIGHTPIXELS(&new);
- for (i = 0; i < GLYPHPADOPTIONS; i++)
- bitmapExtra->bitmapsSizes[i] = bitmapFont->num_chars *
- (BYTES_PER_ROW(w, 1 << i) * h);
- }
- return TRUE;
-}
+/************************************************************************
+Copyright 1989 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+************************************************************************/
+
+/*
+
+Copyright 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.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <ctype.h>
+#include <X11/fonts/fntfilst.h>
+#include <X11/fonts/fontutil.h>
+/* use bitmap structure */
+#include <X11/fonts/bitmap.h>
+#include <X11/fonts/bdfint.h>
+
+#if HAVE_STDINT_H
+#include <stdint.h>
+#elif !defined(INT32_MAX)
+#define INT32_MAX 0x7fffffff
+#endif
+
+#define INDICES 256
+#define MAXENCODING 0xFFFF
+#define BDFLINELEN 1024
+
+static Bool bdfPadToTerminal(FontPtr pFont);
+extern int bdfFileLineNum;
+
+/***====================================================================***/
+
+static Bool
+bdfReadBitmap(CharInfoPtr pCI, FontFilePtr file, int bit, int byte,
+ int glyph, int scan, CARD32 *sizes)
+{
+ int widthBits,
+ widthBytes,
+ widthHexChars;
+ int height,
+ row;
+ int i,
+ inLineLen,
+ nextByte;
+ unsigned char *pInBits,
+ *picture,
+ *line = NULL;
+ unsigned char lineBuf[BDFLINELEN];
+
+ widthBits = GLYPHWIDTHPIXELS(pCI);
+ height = GLYPHHEIGHTPIXELS(pCI);
+
+ widthBytes = BYTES_PER_ROW(widthBits, glyph);
+ if (widthBytes * height > 0) {
+ picture = malloc(widthBytes * height);
+ if (!picture) {
+ bdfError("Couldn't allocate picture (%d*%d)\n", widthBytes, height);
+ goto BAILOUT;
+ }
+ } else
+ picture = NULL;
+ pCI->bits = (char *) picture;
+
+ if (sizes) {
+ for (i = 0; i < GLYPHPADOPTIONS; i++)
+ sizes[i] += BYTES_PER_ROW(widthBits, (1 << i)) * height;
+ }
+ nextByte = 0;
+ widthHexChars = BYTES_PER_ROW(widthBits, 1);
+
+/* 5/31/89 (ef) -- hack, hack, hack. what *am* I supposed to do with */
+/* 0 width characters? */
+
+ for (row = 0; row < height; row++) {
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ if (!line)
+ break;
+
+ if (widthBits == 0) {
+ if ((!line) || (bdfIsPrefix(line, "ENDCHAR")))
+ break;
+ else
+ continue;
+ }
+ pInBits = line;
+ inLineLen = strlen((char *) pInBits);
+
+ if (inLineLen & 1) {
+ bdfError("odd number of characters in hex encoding\n");
+ line[inLineLen++] = '0';
+ line[inLineLen] = '\0';
+ }
+ inLineLen >>= 1;
+ i = inLineLen;
+ if (i > widthHexChars)
+ i = widthHexChars;
+ for (; i > 0; i--, pInBits += 2)
+ picture[nextByte++] = bdfHexByte(pInBits);
+
+ /* pad if line is too short */
+ if (inLineLen < widthHexChars) {
+ for (i = widthHexChars - inLineLen; i > 0; i--)
+ picture[nextByte++] = 0;
+ } else {
+ unsigned char mask;
+
+ mask = 0xff << (8 - (widthBits & 0x7));
+ if (mask && picture[nextByte - 1] & ~mask) {
+ picture[nextByte - 1] &= mask;
+ }
+ }
+
+ if (widthBytes > widthHexChars) {
+ i = widthBytes - widthHexChars;
+ while (i-- > 0)
+ picture[nextByte++] = 0;
+ }
+ }
+
+ if ((line && (!bdfIsPrefix(line, "ENDCHAR"))) || (height == 0))
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+
+ if ((!line) || (!bdfIsPrefix(line, "ENDCHAR"))) {
+ bdfError("missing 'ENDCHAR'\n");
+ goto BAILOUT;
+ }
+ if (nextByte != height * widthBytes) {
+ bdfError("bytes != rows * bytes_per_row (%d != %d * %d)\n",
+ nextByte, height, widthBytes);
+ goto BAILOUT;
+ }
+ if (picture != NULL) {
+ if (bit == LSBFirst)
+ BitOrderInvert(picture, nextByte);
+ if (bit != byte) {
+ if (scan == 2)
+ TwoByteSwap(picture, nextByte);
+ else if (scan == 4)
+ FourByteSwap(picture, nextByte);
+ }
+ }
+ return (TRUE);
+BAILOUT:
+ if (picture)
+ free(picture);
+ pCI->bits = NULL;
+ return (FALSE);
+}
+
+/***====================================================================***/
+
+static Bool
+bdfSkipBitmap(FontFilePtr file, int height)
+{
+ unsigned char *line;
+ int i = 0;
+ unsigned char lineBuf[BDFLINELEN];
+
+ do {
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ i++;
+ } while (line && !bdfIsPrefix(line, "ENDCHAR") && i <= height);
+
+ if (i > 1 && line && !bdfIsPrefix(line, "ENDCHAR")) {
+ bdfError("Error in bitmap, missing 'ENDCHAR'\n");
+ return (FALSE);
+ }
+ return (TRUE);
+}
+
+/***====================================================================***/
+
+static void
+bdfFreeFontBits(FontPtr pFont)
+{
+ BitmapFontPtr bitmapFont;
+ BitmapExtraPtr bitmapExtra;
+ int i, nencoding;
+
+ bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
+ bitmapExtra = (BitmapExtraPtr) bitmapFont->bitmapExtra;
+ free(bitmapFont->ink_metrics);
+ if(bitmapFont->encoding) {
+ nencoding = (pFont->info.lastCol - pFont->info.firstCol + 1) *
+ (pFont->info.lastRow - pFont->info.firstRow + 1);
+ for(i=0; i<NUM_SEGMENTS(nencoding); i++)
+ free(bitmapFont->encoding[i]);
+ }
+ free(bitmapFont->encoding);
+ for (i = 0; i < bitmapFont->num_chars; i++)
+ free(bitmapFont->metrics[i].bits);
+ free(bitmapFont->metrics);
+ if (bitmapExtra)
+ {
+ free (bitmapExtra->glyphNames);
+ free (bitmapExtra->sWidths);
+ free (bitmapExtra);
+ }
+ free(pFont->info.props);
+ free(bitmapFont);
+}
+
+
+static Bool
+bdfReadCharacters(FontFilePtr file, FontPtr pFont, bdfFileState *pState,
+ int bit, int byte, int glyph, int scan)
+{
+ unsigned char *line;
+ register CharInfoPtr ci;
+ int i,
+ ndx,
+ nchars,
+ nignored;
+ unsigned int char_row, char_col;
+ int numEncodedGlyphs = 0;
+ CharInfoPtr *bdfEncoding[256];
+ BitmapFontPtr bitmapFont;
+ BitmapExtraPtr bitmapExtra;
+ CARD32 *bitmapsSizes;
+ unsigned char lineBuf[BDFLINELEN];
+ int nencoding;
+
+ bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
+ bitmapExtra = (BitmapExtraPtr) bitmapFont->bitmapExtra;
+
+ if (bitmapExtra) {
+ bitmapsSizes = bitmapExtra->bitmapsSizes;
+ for (i = 0; i < GLYPHPADOPTIONS; i++)
+ bitmapsSizes[i] = 0;
+ } else
+ bitmapsSizes = NULL;
+
+ bzero(bdfEncoding, sizeof(bdfEncoding));
+ bitmapFont->metrics = NULL;
+ ndx = 0;
+
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+
+ if ((!line) || (sscanf((char *) line, "CHARS %d", &nchars) != 1)) {
+ bdfError("bad 'CHARS' in bdf file\n");
+ return (FALSE);
+ }
+ if (nchars < 1) {
+ bdfError("invalid number of CHARS in BDF file\n");
+ return (FALSE);
+ }
+ if (nchars > INT32_MAX / sizeof(CharInfoRec)) {
+ bdfError("Couldn't allocate pCI (%d*%d)\n", nchars,
+ sizeof(CharInfoRec));
+ goto BAILOUT;
+ }
+ ci = calloc(nchars, sizeof(CharInfoRec));
+ if (!ci) {
+ bdfError("Couldn't allocate pCI (%d*%d)\n", nchars,
+ sizeof(CharInfoRec));
+ goto BAILOUT;
+ }
+ bitmapFont->metrics = ci;
+
+ if (bitmapExtra) {
+ bitmapExtra->glyphNames = malloc(nchars * sizeof(Atom));
+ if (!bitmapExtra->glyphNames) {
+ bdfError("Couldn't allocate glyphNames (%d*%d)\n",
+ nchars, sizeof(Atom));
+ goto BAILOUT;
+ }
+ }
+ if (bitmapExtra) {
+ bitmapExtra->sWidths = malloc(nchars * sizeof(int));
+ if (!bitmapExtra->sWidths) {
+ bdfError("Couldn't allocate sWidth (%d *%d)\n",
+ nchars, sizeof(int));
+ return FALSE;
+ }
+ }
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ pFont->info.firstRow = 256;
+ pFont->info.lastRow = 0;
+ pFont->info.firstCol = 256;
+ pFont->info.lastCol = 0;
+ nignored = 0;
+ for (ndx = 0; (ndx < nchars) && (line) && (bdfIsPrefix(line, "STARTCHAR"));) {
+ int t;
+ int wx; /* x component of width */
+ int wy; /* y component of width */
+ int bw; /* bounding-box width */
+ int bh; /* bounding-box height */
+ int bl; /* bounding-box left */
+ int bb; /* bounding-box bottom */
+ int enc,
+ enc2; /* encoding */
+ unsigned char *p; /* temp pointer into line */
+ char charName[100];
+ int ignore;
+
+ if (sscanf((char *) line, "STARTCHAR %s", charName) != 1) {
+ bdfError("bad character name in BDF file\n");
+ goto BAILOUT; /* bottom of function, free and return error */
+ }
+ if (bitmapExtra)
+ bitmapExtra->glyphNames[ndx] = bdfForceMakeAtom(charName, NULL);
+
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ if (!line || (t = sscanf((char *) line, "ENCODING %d %d", &enc, &enc2)) < 1) {
+ bdfError("bad 'ENCODING' in BDF file\n");
+ goto BAILOUT;
+ }
+ if (enc < -1 || (t == 2 && enc2 < -1)) {
+ bdfError("bad ENCODING value");
+ goto BAILOUT;
+ }
+ if (t == 2 && enc == -1)
+ enc = enc2;
+ ignore = 0;
+ if (enc == -1) {
+ if (!bitmapExtra) {
+ nignored++;
+ ignore = 1;
+ }
+ } else if (enc > MAXENCODING) {
+ bdfError("char '%s' has encoding too large (%d)\n",
+ charName, enc);
+ } else {
+ char_row = (enc >> 8) & 0xFF;
+ char_col = enc & 0xFF;
+ if (char_row < pFont->info.firstRow)
+ pFont->info.firstRow = char_row;
+ if (char_row > pFont->info.lastRow)
+ pFont->info.lastRow = char_row;
+ if (char_col < pFont->info.firstCol)
+ pFont->info.firstCol = char_col;
+ if (char_col > pFont->info.lastCol)
+ pFont->info.lastCol = char_col;
+ if (bdfEncoding[char_row] == (CharInfoPtr *) NULL) {
+ bdfEncoding[char_row] = malloc(256 * sizeof(CharInfoPtr));
+ if (!bdfEncoding[char_row]) {
+ bdfError("Couldn't allocate row %d of encoding (%d*%d)\n",
+ char_row, INDICES, sizeof(CharInfoPtr));
+ goto BAILOUT;
+ }
+ for (i = 0; i < 256; i++)
+ bdfEncoding[char_row][i] = (CharInfoPtr) NULL;
+ }
+ if (bdfEncoding[char_row] != NULL) {
+ bdfEncoding[char_row][char_col] = ci;
+ numEncodedGlyphs++;
+ }
+ }
+
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ if ((!line) || (sscanf((char *) line, "SWIDTH %d %d", &wx, &wy) != 2)) {
+ bdfError("bad 'SWIDTH'\n");
+ goto BAILOUT;
+ }
+ if (wy != 0) {
+ bdfError("SWIDTH y value must be zero\n");
+ goto BAILOUT;
+ }
+ if (bitmapExtra)
+ bitmapExtra->sWidths[ndx] = wx;
+
+/* 5/31/89 (ef) -- we should be able to ditch the character and recover */
+/* from all of these. */
+
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ if ((!line) || (sscanf((char *) line, "DWIDTH %d %d", &wx, &wy) != 2)) {
+ bdfError("bad 'DWIDTH'\n");
+ goto BAILOUT;
+ }
+ if (wy != 0) {
+ bdfError("DWIDTH y value must be zero\n");
+ goto BAILOUT;
+ }
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ if ((!line) || (sscanf((char *) line, "BBX %d %d %d %d", &bw, &bh, &bl, &bb) != 4)) {
+ bdfError("bad 'BBX'\n");
+ goto BAILOUT;
+ }
+ if ((bh < 0) || (bw < 0)) {
+ bdfError("character '%s' has a negative sized bitmap, %dx%d\n",
+ charName, bw, bh);
+ goto BAILOUT;
+ }
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ if ((line) && (bdfIsPrefix(line, "ATTRIBUTES"))) {
+ for (p = line + strlen("ATTRIBUTES ");
+ (*p == ' ') || (*p == '\t');
+ p++)
+ /* empty for loop */ ;
+ ci->metrics.attributes = (bdfHexByte(p) << 8) + bdfHexByte(p + 2);
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ } else
+ ci->metrics.attributes = 0;
+
+ if (!line || !bdfIsPrefix(line, "BITMAP")) {
+ bdfError("missing 'BITMAP'\n");
+ goto BAILOUT;
+ }
+ /* collect data for generated properties */
+ if ((strlen(charName) == 1)) {
+ if ((charName[0] >= '0') && (charName[0] <= '9')) {
+ pState->digitWidths += wx;
+ pState->digitCount++;
+ } else if (charName[0] == 'x') {
+ pState->exHeight = (bh + bb) <= 0 ? bh : bh + bb;
+ }
+ }
+ if (!ignore) {
+ ci->metrics.leftSideBearing = bl;
+ ci->metrics.rightSideBearing = bl + bw;
+ ci->metrics.ascent = bh + bb;
+ ci->metrics.descent = -bb;
+ ci->metrics.characterWidth = wx;
+ ci->bits = NULL;
+ bdfReadBitmap(ci, file, bit, byte, glyph, scan, bitmapsSizes);
+ ci++;
+ ndx++;
+ } else
+ bdfSkipBitmap(file, bh);
+
+ line = bdfGetLine(file, lineBuf, BDFLINELEN); /* get STARTCHAR or
+ * ENDFONT */
+ }
+
+ if (ndx + nignored != nchars) {
+ bdfError("%d too few characters\n", nchars - (ndx + nignored));
+ goto BAILOUT;
+ }
+ nchars = ndx;
+ bitmapFont->num_chars = nchars;
+ if ((line) && (bdfIsPrefix(line, "STARTCHAR"))) {
+ bdfError("more characters than specified\n");
+ goto BAILOUT;
+ }
+ if ((!line) || (!bdfIsPrefix(line, "ENDFONT"))) {
+ bdfError("missing 'ENDFONT'\n");
+ goto BAILOUT;
+ }
+ if (numEncodedGlyphs == 0)
+ bdfWarning("No characters with valid encodings\n");
+
+ nencoding = (pFont->info.lastRow - pFont->info.firstRow + 1) *
+ (pFont->info.lastCol - pFont->info.firstCol + 1);
+ bitmapFont->encoding = calloc(NUM_SEGMENTS(nencoding),sizeof(CharInfoPtr*));
+ if (!bitmapFont->encoding) {
+ bdfError("Couldn't allocate ppCI (%d,%d)\n",
+ NUM_SEGMENTS(nencoding),
+ sizeof(CharInfoPtr*));
+ goto BAILOUT;
+ }
+ pFont->info.allExist = TRUE;
+ i = 0;
+ for (char_row = pFont->info.firstRow;
+ char_row <= pFont->info.lastRow;
+ char_row++) {
+ if (bdfEncoding[char_row] == (CharInfoPtr *) NULL) {
+ pFont->info.allExist = FALSE;
+ i += pFont->info.lastCol - pFont->info.firstCol + 1;
+ } else {
+ for (char_col = pFont->info.firstCol;
+ char_col <= pFont->info.lastCol;
+ char_col++) {
+ if (!bdfEncoding[char_row][char_col])
+ pFont->info.allExist = FALSE;
+ else {
+ if (!bitmapFont->encoding[SEGMENT_MAJOR(i)]) {
+ bitmapFont->encoding[SEGMENT_MAJOR(i)]=
+ calloc(BITMAP_FONT_SEGMENT_SIZE,
+ sizeof(CharInfoPtr));
+ if (!bitmapFont->encoding[SEGMENT_MAJOR(i)])
+ goto BAILOUT;
+ }
+ ACCESSENCODINGL(bitmapFont->encoding,i) =
+ bdfEncoding[char_row][char_col];
+ }
+ i++;
+ }
+ }
+ }
+ for (i = 0; i < 256; i++)
+ if (bdfEncoding[i])
+ free(bdfEncoding[i]);
+ return (TRUE);
+BAILOUT:
+ for (i = 0; i < 256; i++)
+ if (bdfEncoding[i])
+ free(bdfEncoding[i]);
+ /* bdfFreeFontBits will clean up the rest */
+ return (FALSE);
+}
+
+/***====================================================================***/
+
+static Bool
+bdfReadHeader(FontFilePtr file, bdfFileState *pState)
+{
+ unsigned char *line;
+ char namebuf[BDFLINELEN];
+ unsigned char lineBuf[BDFLINELEN];
+
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ if (!line || sscanf((char *) line, "STARTFONT %s", namebuf) != 1 ||
+ !bdfStrEqual(namebuf, "2.1")) {
+ bdfError("bad 'STARTFONT'\n");
+ return (FALSE);
+ }
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ if (!line || sscanf((char *) line, "FONT %[^\n]", pState->fontName) != 1) {
+ bdfError("bad 'FONT'\n");
+ return (FALSE);
+ }
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ if (!line || !bdfIsPrefix(line, "SIZE")) {
+ bdfError("missing 'SIZE'\n");
+ return (FALSE);
+ }
+ if (sscanf((char *) line, "SIZE %f%d%d", &pState->pointSize,
+ &pState->resolution_x, &pState->resolution_y) != 3) {
+ bdfError("bad 'SIZE'\n");
+ return (FALSE);
+ }
+ if (pState->pointSize < 1 ||
+ pState->resolution_x < 1 || pState->resolution_y < 1) {
+ bdfError("SIZE values must be > 0\n");
+ return (FALSE);
+ }
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ if (!line || !bdfIsPrefix(line, "FONTBOUNDINGBOX")) {
+ bdfError("missing 'FONTBOUNDINGBOX'\n");
+ return (FALSE);
+ }
+ return (TRUE);
+}
+
+/***====================================================================***/
+
+static Bool
+bdfReadProperties(FontFilePtr file, FontPtr pFont, bdfFileState *pState)
+{
+ int nProps, props_left,
+ nextProp;
+ char *stringProps;
+ FontPropPtr props;
+ char namebuf[BDFLINELEN],
+ secondbuf[BDFLINELEN],
+ thirdbuf[BDFLINELEN];
+ unsigned char *line;
+ unsigned char lineBuf[BDFLINELEN];
+ BitmapFontPtr bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
+
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ if (!line || !bdfIsPrefix(line, "STARTPROPERTIES")) {
+ bdfError("missing 'STARTPROPERTIES'\n");
+ return (FALSE);
+ }
+ if (sscanf((char *) line, "STARTPROPERTIES %d", &nProps) != 1) {
+ bdfError("bad 'STARTPROPERTIES'\n");
+ return (FALSE);
+ }
+ pFont->info.isStringProp = NULL;
+ pFont->info.props = NULL;
+ pFont->info.nprops = 0;
+
+ stringProps = malloc((nProps + BDF_GENPROPS) * sizeof(char));
+ pFont->info.isStringProp = stringProps;
+ if (stringProps == NULL) {
+ bdfError("Couldn't allocate stringProps (%d*%d)\n",
+ (nProps + BDF_GENPROPS), sizeof(Bool));
+ goto BAILOUT;
+ }
+ pFont->info.props = props = calloc(nProps + BDF_GENPROPS,
+ sizeof(FontPropRec));
+ if (props == NULL) {
+ bdfError("Couldn't allocate props (%d*%d)\n", nProps + BDF_GENPROPS,
+ sizeof(FontPropRec));
+ goto BAILOUT;
+ }
+
+ nextProp = 0;
+ props_left = nProps;
+ while (props_left-- > 0) {
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ if (line == NULL || bdfIsPrefix(line, "ENDPROPERTIES")) {
+ bdfError("\"STARTPROPERTIES %d\" followed by only %d properties\n",
+ nProps, nProps - props_left - 1);
+ goto BAILOUT;
+ }
+ while (*line && isspace(*line))
+ line++;
+
+ switch (sscanf((char *) line, "%s%s%s", namebuf, secondbuf, thirdbuf)) {
+ default:
+ bdfError("missing '%s' parameter value\n", namebuf);
+ goto BAILOUT;
+
+ case 2:
+ /*
+ * Possibilites include: valid quoted string with no white space
+ * valid integer value invalid value
+ */
+ if (secondbuf[0] == '"') {
+ stringProps[nextProp] = TRUE;
+ props[nextProp].value =
+ bdfGetPropertyValue((char *)line + strlen(namebuf) + 1);
+ if (!props[nextProp].value)
+ goto BAILOUT;
+ break;
+ } else if (bdfIsInteger(secondbuf)) {
+ stringProps[nextProp] = FALSE;
+ props[nextProp].value = atoi(secondbuf);
+ break;
+ } else {
+ bdfError("invalid '%s' parameter value\n", namebuf);
+ goto BAILOUT;
+ }
+
+ case 3:
+ /*
+ * Possibilites include: valid quoted string with some white space
+ * invalid value (reject even if second string is integer)
+ */
+ if (secondbuf[0] == '"') {
+ stringProps[nextProp] = TRUE;
+ props[nextProp].value =
+ bdfGetPropertyValue((char *)line + strlen(namebuf) + 1);
+ if (!props[nextProp].value)
+ goto BAILOUT;
+ break;
+ } else {
+ bdfError("invalid '%s' parameter value\n", namebuf);
+ goto BAILOUT;
+ }
+ }
+ props[nextProp].name = bdfForceMakeAtom(namebuf, NULL);
+ if (props[nextProp].name == None) {
+ bdfError("Empty property name.\n");
+ goto BAILOUT;
+ }
+ if (!bdfSpecialProperty(pFont, &props[nextProp],
+ stringProps[nextProp], pState))
+ nextProp++;
+ }
+
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ if (!line || !bdfIsPrefix(line, "ENDPROPERTIES")) {
+ bdfError("missing 'ENDPROPERTIES'\n");
+ goto BAILOUT;
+ }
+ if (!pState->haveFontAscent || !pState->haveFontDescent) {
+ bdfError("missing 'FONT_ASCENT' or 'FONT_DESCENT' properties\n");
+ goto BAILOUT;
+ }
+ if (bitmapFont->bitmapExtra) {
+ bitmapFont->bitmapExtra->info.fontAscent = pFont->info.fontAscent;
+ bitmapFont->bitmapExtra->info.fontDescent = pFont->info.fontDescent;
+ }
+ if (!pState->pointSizeProp) {
+ props[nextProp].name = bdfForceMakeAtom("POINT_SIZE", NULL);
+ props[nextProp].value = (INT32) (pState->pointSize * 10.0);
+ stringProps[nextProp] = FALSE;
+ pState->pointSizeProp = &props[nextProp];
+ nextProp++;
+ }
+ if (!pState->fontProp) {
+ props[nextProp].name = bdfForceMakeAtom("FONT", NULL);
+ props[nextProp].value = (INT32) bdfForceMakeAtom(pState->fontName, NULL);
+ stringProps[nextProp] = TRUE;
+ pState->fontProp = &props[nextProp];
+ nextProp++;
+ }
+ if (!pState->weightProp) {
+ props[nextProp].name = bdfForceMakeAtom("WEIGHT", NULL);
+ props[nextProp].value = -1; /* computed later */
+ stringProps[nextProp] = FALSE;
+ pState->weightProp = &props[nextProp];
+ nextProp++;
+ }
+ if (!pState->resolutionProp &&
+ pState->resolution_x == pState->resolution_y) {
+ props[nextProp].name = bdfForceMakeAtom("RESOLUTION", NULL);
+ props[nextProp].value = (INT32) ((pState->resolution_x * 100.0) / 72.27);
+ stringProps[nextProp] = FALSE;
+ pState->resolutionProp = &props[nextProp];
+ nextProp++;
+ }
+ if (!pState->resolutionXProp) {
+ props[nextProp].name = bdfForceMakeAtom("RESOLUTION_X", NULL);
+ props[nextProp].value = (INT32) pState->resolution_x;
+ stringProps[nextProp] = FALSE;
+ pState->resolutionProp = &props[nextProp];
+ nextProp++;
+ }
+ if (!pState->resolutionYProp) {
+ props[nextProp].name = bdfForceMakeAtom("RESOLUTION_Y", NULL);
+ props[nextProp].value = (INT32) pState->resolution_y;
+ stringProps[nextProp] = FALSE;
+ pState->resolutionProp = &props[nextProp];
+ nextProp++;
+ }
+ if (!pState->xHeightProp) {
+ props[nextProp].name = bdfForceMakeAtom("X_HEIGHT", NULL);
+ props[nextProp].value = -1; /* computed later */
+ stringProps[nextProp] = FALSE;
+ pState->xHeightProp = &props[nextProp];
+ nextProp++;
+ }
+ if (!pState->quadWidthProp) {
+ props[nextProp].name = bdfForceMakeAtom("QUAD_WIDTH", NULL);
+ props[nextProp].value = -1; /* computed later */
+ stringProps[nextProp] = FALSE;
+ pState->quadWidthProp = &props[nextProp];
+ nextProp++;
+ }
+ pFont->info.nprops = nextProp;
+ return (TRUE);
+BAILOUT:
+ if (pFont->info.isStringProp) {
+ free(pFont->info.isStringProp);
+ pFont->info.isStringProp = NULL;
+ }
+ if (pFont->info.props) {
+ free(pFont->info.props);
+ pFont->info.props = NULL;
+ }
+ while (line && bdfIsPrefix(line, "ENDPROPERTIES"))
+ line = bdfGetLine(file, lineBuf, BDFLINELEN);
+ return (FALSE);
+}
+
+/***====================================================================***/
+
+static void
+bdfUnloadFont(FontPtr pFont)
+{
+ bdfFreeFontBits (pFont);
+ DestroyFontRec(pFont);
+}
+
+int
+bdfReadFont(FontPtr pFont, FontFilePtr file,
+ int bit, int byte, int glyph, int scan)
+{
+ bdfFileState state;
+ xCharInfo *min,
+ *max;
+ BitmapFontPtr bitmapFont;
+
+ pFont->fontPrivate = 0;
+
+ bzero(&state, sizeof(bdfFileState));
+ bdfFileLineNum = 0;
+
+ if (!bdfReadHeader(file, &state))
+ goto BAILOUT;
+
+ bitmapFont = calloc(1, sizeof(BitmapFontRec));
+ if (!bitmapFont) {
+ bdfError("Couldn't allocate bitmapFontRec (%d)\n", sizeof(BitmapFontRec));
+ goto BAILOUT;
+ }
+
+ pFont->fontPrivate = (pointer) bitmapFont;
+ bitmapFont->metrics = 0;
+ bitmapFont->ink_metrics = 0;
+ bitmapFont->bitmaps = 0;
+ bitmapFont->encoding = 0;
+ bitmapFont->pDefault = NULL;
+
+ bitmapFont->bitmapExtra = calloc(1, sizeof(BitmapExtraRec));
+ if (!bitmapFont->bitmapExtra) {
+ bdfError("Couldn't allocate bitmapExtra (%d)\n", sizeof(BitmapExtraRec));
+ goto BAILOUT;
+ }
+
+ bitmapFont->bitmapExtra->glyphNames = 0;
+ bitmapFont->bitmapExtra->sWidths = 0;
+
+ if (!bdfReadProperties(file, pFont, &state))
+ goto BAILOUT;
+
+ if (!bdfReadCharacters(file, pFont, &state, bit, byte, glyph, scan))
+ goto BAILOUT;
+
+ if (state.haveDefaultCh) {
+ unsigned int r, c, cols;
+
+ r = pFont->info.defaultCh >> 8;
+ c = pFont->info.defaultCh & 0xFF;
+ if (pFont->info.firstRow <= r && r <= pFont->info.lastRow &&
+ pFont->info.firstCol <= c && c <= pFont->info.lastCol) {
+ cols = pFont->info.lastCol - pFont->info.firstCol + 1;
+ r = r - pFont->info.firstRow;
+ c = c - pFont->info.firstCol;
+ bitmapFont->pDefault = ACCESSENCODING(bitmapFont->encoding,
+ r * cols + c);
+ }
+ }
+ pFont->bit = bit;
+ pFont->byte = byte;
+ pFont->glyph = glyph;
+ pFont->scan = scan;
+ pFont->info.anamorphic = FALSE;
+ pFont->info.cachable = TRUE;
+ bitmapComputeFontBounds(pFont);
+ if (FontCouldBeTerminal(&pFont->info)) {
+ bdfPadToTerminal(pFont);
+ bitmapComputeFontBounds(pFont);
+ }
+ FontComputeInfoAccelerators(&pFont->info);
+ if (bitmapFont->bitmapExtra)
+ FontComputeInfoAccelerators(&bitmapFont->bitmapExtra->info);
+ if (pFont->info.constantMetrics) {
+ if (!bitmapAddInkMetrics(pFont)) {
+ bdfError("Failed to add bitmap ink metrics\n");
+ goto BAILOUT;
+ }
+ }
+ if (bitmapFont->bitmapExtra)
+ bitmapFont->bitmapExtra->info.inkMetrics = pFont->info.inkMetrics;
+
+ bitmapComputeFontInkBounds(pFont);
+/* ComputeFontAccelerators (pFont); */
+
+ /* generate properties */
+ min = &pFont->info.ink_minbounds;
+ max = &pFont->info.ink_maxbounds;
+ if (state.xHeightProp && (state.xHeightProp->value == -1))
+ state.xHeightProp->value = state.exHeight ?
+ state.exHeight : min->ascent;
+
+ if (state.quadWidthProp && (state.quadWidthProp->value == -1))
+ state.quadWidthProp->value = state.digitCount ?
+ (INT32) (state.digitWidths / state.digitCount) :
+ (min->characterWidth + max->characterWidth) / 2;
+
+ if (state.weightProp && (state.weightProp->value == -1))
+ state.weightProp->value = bitmapComputeWeight(pFont);
+
+ pFont->get_glyphs = bitmapGetGlyphs;
+ pFont->get_metrics = bitmapGetMetrics;
+ pFont->unload_font = bdfUnloadFont;
+ pFont->unload_glyphs = NULL;
+ return Successful;
+BAILOUT:
+ if (pFont->fontPrivate)
+ bdfFreeFontBits (pFont);
+ return AllocError;
+}
+
+int
+bdfReadFontInfo(FontInfoPtr pFontInfo, FontFilePtr file)
+{
+ FontRec font;
+ int ret;
+
+ bzero(&font, sizeof (FontRec));
+
+ ret = bdfReadFont(&font, file, MSBFirst, LSBFirst, 1, 1);
+ if (ret == Successful) {
+ *pFontInfo = font.info;
+ font.info.props = 0;
+ font.info.isStringProp = 0;
+ font.info.nprops = 0;
+ bdfFreeFontBits (&font);
+ }
+ return ret;
+}
+
+static Bool
+bdfPadToTerminal(FontPtr pFont)
+{
+ BitmapFontPtr bitmapFont;
+ BitmapExtraPtr bitmapExtra;
+ int i;
+ int new_size;
+ CharInfoRec new;
+ int w,
+ h;
+
+ bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
+
+ bzero(&new, sizeof(CharInfoRec));
+ new.metrics.ascent = pFont->info.fontAscent;
+ new.metrics.descent = pFont->info.fontDescent;
+ new.metrics.leftSideBearing = 0;
+ new.metrics.rightSideBearing = pFont->info.minbounds.characterWidth;
+ new.metrics.characterWidth = new.metrics.rightSideBearing;
+ new_size = BYTES_FOR_GLYPH(&new, pFont->glyph);
+
+ for (i = 0; i < bitmapFont->num_chars; i++) {
+ new.bits = malloc(new_size);
+ if (!new.bits) {
+ bdfError("Couldn't allocate bits (%d)\n", new_size);
+ return FALSE;
+ }
+ FontCharReshape(pFont, &bitmapFont->metrics[i], &new);
+ new.metrics.attributes = bitmapFont->metrics[i].metrics.attributes;
+ free(bitmapFont->metrics[i].bits);
+ bitmapFont->metrics[i] = new;
+ }
+ bitmapExtra = bitmapFont->bitmapExtra;
+ if (bitmapExtra) {
+ w = GLYPHWIDTHPIXELS(&new);
+ h = GLYPHHEIGHTPIXELS(&new);
+ for (i = 0; i < GLYPHPADOPTIONS; i++)
+ bitmapExtra->bitmapsSizes[i] = bitmapFont->num_chars *
+ (BYTES_PER_ROW(w, 1 << i) * h);
+ }
+ return TRUE;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 05:49:57 +0000