+++ /dev/null
-/* $XConsortium: bdfread.c,v 1.22 94/04/17 20:17:10 gildea Exp $ */
-
-/************************************************************************
-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 (c) 1994 X Consortium
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE X CONSORTIUM 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 X Consortium 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 X Consortium.
-
-*/
-
-#include <ctype.h>
-#include "fntfilst.h"
-/* use bitmap structure */
-#include "bitmap.h"
-#include "bdfint.h"
-
-#define INDICES 256
-#define MAXENCODING 0xFFFF
-#define BDFLINELEN 1024
-
-extern int bitmapGetGlyphs(), bitmapGetMetrics();
-extern int bitmapGetBitmaps(), bitmapGetExtents();
-void bdfUnloadFont();
-static Bool bdfPadToTerminal();
-extern int bdfFileLineNum;
-
-/***====================================================================***/
-
-static Bool
-bdfReadBitmap(pCI, file, bit, byte, glyph, scan, sizes)
- CharInfoPtr pCI;
- FontFilePtr file;
- int bit,
- byte,
- glyph,
- scan;
- int sizes[GLYPHPADOPTIONS];
-{
- int widthBits,
- widthBytes,
- widthHexChars;
- int height,
- row;
- int i,
- inLineLen,
- nextByte;
- Bool badbits;
- unsigned char *pInBits,
- *picture,
- *line = NULL;
- char lineBuf[BDFLINELEN];
-
- widthBits = GLYPHWIDTHPIXELS(pCI);
- height = GLYPHHEIGHTPIXELS(pCI);
-
- widthBytes = BYTES_PER_ROW(widthBits, glyph);
- if (widthBytes * height > 0) {
- picture = (unsigned char *) xalloc(widthBytes * height);
- if (!picture)
- 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;
- }
- badbits = FALSE;
- 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;
- badbits = TRUE;
- } else if (inLineLen > widthHexChars)
- badbits = TRUE;
- }
-
- 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)
- xfree(picture);
- pCI->bits = NULL;
- return (FALSE);
-}
-
-/***====================================================================***/
-
-static Bool
-bdfSkipBitmap(file, height)
- FontFilePtr file;
- int height;
-{
- unsigned char *line;
- int i = 0;
- 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 Bool
-bdfReadCharacters(file, pFont, pState, bit, byte, glyph, scan)
- FontFilePtr file;
- FontPtr pFont;
- bdfFileState *pState;
- int bit,
- byte,
- glyph,
- 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;
- 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);
- }
- ci = (CharInfoPtr) xalloc(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 = (Atom *) xalloc(nchars * sizeof(Atom));
- if (!bitmapExtra->glyphNames) {
- bdfError("Couldn't allocate glyphNames (%d*%d)\n",
- nchars, sizeof(Atom));
- goto BAILOUT;
- }
- }
- if (bitmapExtra) {
- bitmapExtra->sWidths = (int *) xalloc(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] =
- (CharInfoPtr *) xalloc(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 = (CharInfoPtr *) xalloc(nencoding * sizeof(CharInfoPtr));
- if (!bitmapFont->encoding) {
- bdfError("Couldn't allocate ppCI (%d,%d)\n",
- 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;
- for (char_col = pFont->info.firstCol;
- char_col <= pFont->info.lastCol;
- char_col++) {
- bitmapFont->encoding[i++] = NullCharInfo;
- }
- } else {
- for (char_col = pFont->info.firstCol;
- char_col <= pFont->info.lastCol;
- char_col++) {
- if (!bdfEncoding[char_row][char_col])
- pFont->info.allExist = FALSE;
- bitmapFont->encoding[i++] = bdfEncoding[char_row][char_col];
- }
- }
- }
- for (i = 0; i < 256; i++)
- if (bdfEncoding[i])
- xfree(bdfEncoding[i]);
- return (TRUE);
-BAILOUT:
- for (i = 0; i < 256; i++)
- if (bdfEncoding[i])
- xfree(bdfEncoding[i]);
- /* bdfFreeFontBits will clean up the rest */
- return (FALSE);
-}
-
-/***====================================================================***/
-
-static Bool
-bdfReadHeader(file, pState)
- FontFilePtr file;
- bdfFileState *pState;
-{
- unsigned char *line;
- char namebuf[BDFLINELEN];
- 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(file, pFont, pState)
- 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;
- char lineBuf[BDFLINELEN];
- BitmapFontPtr bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
-
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- if (!line || !bdfIsPrefix(line, "STARTPROPERTIES")) {
- bdfError(file, "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;
-
- stringProps = (char *) xalloc((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 = (FontPropPtr) xalloc((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(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(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) {
- xfree(pFont->info.isStringProp);
- pFont->info.isStringProp = NULL;
- }
- if (pFont->info.props) {
- xfree(pFont->info.props);
- pFont->info.props = NULL;
- }
- while (line && bdfIsPrefix(line, "ENDPROPERTIES"))
- line = bdfGetLine(file, lineBuf, BDFLINELEN);
- return (FALSE);
-}
-
-/***====================================================================***/
-
-int
-bdfReadFont(pFont, file, bit, byte, glyph, scan)
- FontPtr pFont;
- FontFilePtr file;
- int bit,
- byte,
- glyph,
- scan;
-{
- bdfFileState state;
- xCharInfo *min,
- *max;
- BitmapFontPtr bitmapFont;
-
- pFont->fontPrivate = 0;
-
- bzero(&state, sizeof(bdfFileState));
- bdfFileLineNum = 0;
-
- if (!bdfReadHeader(file, &state))
- goto BAILOUT;
-
- bitmapFont = (BitmapFontPtr) xalloc(sizeof(BitmapFontRec));
- if (!bitmapFont)
- goto BAILOUT;
-
- pFont->fontPrivate = (pointer) bitmapFont;
- bitmapFont->metrics = 0;
- bitmapFont->ink_metrics = 0;
- bitmapFont->bitmaps = 0;
- bitmapFont->encoding = 0;
- bitmapFont->pDefault = NULL;
- bitmapFont->bitmapExtra = (BitmapExtraPtr) xalloc(sizeof(BitmapExtraRec));
- 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 = 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)
- bitmapAddInkMetrics(pFont);
- 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;
-}
-
-bdfFreeFontBits(pFont)
- FontPtr pFont;
-{
- BitmapFontPtr bitmapFont;
- BitmapExtraPtr bitmapExtra;
- int i;
-
- bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
- bitmapExtra = (BitmapExtraPtr) bitmapFont->bitmapExtra;
- xfree(bitmapFont->ink_metrics);
- xfree(bitmapFont->encoding);
- for (i = 0; i < bitmapFont->num_chars; i++)
- xfree(bitmapFont->metrics[i].bits);
- xfree(bitmapFont->metrics);
- if (bitmapExtra)
- {
- xfree (bitmapExtra->glyphNames);
- xfree (bitmapExtra->sWidths);
- xfree (bitmapExtra);
- }
- xfree(pFont->info.props);
- xfree(bitmapFont);
-}
-
-int
-bdfReadFontInfo(pFontInfo, file)
- FontInfoPtr pFontInfo;
- FontFilePtr file;
-{
- FontRec font;
- int ret;
-
- 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;
-}
-
-void
-bdfUnloadFont(pFont)
- FontPtr pFont;
-{
- bdfFreeFontBits (pFont);
- xfree (pFont->devPrivates);
- xfree(pFont);
-}
-
-static Bool
-bdfPadToTerminal(pFont)
- FontPtr pFont;
-{
- BitmapFontPtr bitmapFont;
- BitmapExtraPtr bitmapExtra;
- int i;
- int new_size;
- CharInfoRec new;
- int w,
- h;
-
- bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
- 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 = (char *) xalloc(new_size);
- if (!new.bits)
- return FALSE;
- FontCharReshape(pFont, &bitmapFont->metrics[i], &new);
- new.metrics.attributes = bitmapFont->metrics[i].metrics.attributes;
- xfree(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;
-}
projects / rdpsrv / blobdiff