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-rw-r--r--app/fstobdf/chars.c226
1 files changed, 226 insertions, 0 deletions
diff --git a/app/fstobdf/chars.c b/app/fstobdf/chars.c
new file mode 100644
index 000000000..74b26c519
--- /dev/null
+++ b/app/fstobdf/chars.c
@@ -0,0 +1,226 @@
+/* $Xorg: chars.c,v 1.4 2001/02/09 02:05:30 xorgcvs Exp $ */
+/* $XdotOrg: app/fstobdf/chars.c,v 1.4 2006/04/03 22:17:25 ajax Exp $ */
+/*
+
+Copyright 1990, 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.
+
+ * Copyright 1990 Network Computing Devices;
+ * Portions Copyright 1987 by Digital Equipment Corporation
+ *
+ * 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, and that the names of Network Computing Devices, or Digital
+ * not be used in advertising or publicity pertaining to distribution
+ * of the software without specific, written prior permission.
+ *
+ * NETWORK COMPUTING DEVICES, AND DIGITAL DISCLAIM ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NETWORK COMPUTING DEVICES,
+ * OR 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.
+ */
+/* $XFree86: xc/programs/fstobdf/chars.c,v 3.7 2001/03/04 00:16:31 tsi Exp $ */
+
+/* Morten Storgaard Nielsen: chars.c,v 3.2-1 2000/01/30 14:11:19 kat Exp */
+
+#include <stdio.h>
+#include <X11/Xlib.h>
+#include "fstobdf.h"
+
+extern unsigned long yResolution; /* intended vertical resoultion for font */
+extern unsigned long pointSize; /* font height in points */
+
+#define BIT_ORDER BitmapFormatBitOrderMSB
+#ifdef BYTE_ORDER
+#undef BYTE_ORDER
+#endif
+#define BYTE_ORDER BitmapFormatByteOrderMSB
+#define SCANLINE_UNIT BitmapFormatScanlineUnit8
+#define SCANLINE_PAD BitmapFormatScanlinePad8
+#define EXTENTS BitmapFormatImageRectMin
+
+#define SCANLINE_PAD_BYTES 1
+
+#define GLWIDTHBYTESPADDED(bits, nBytes) \
+ ((nBytes) == 1 ? (((bits) + 7) >> 3) /* pad to 1 byte */\
+ :(nBytes) == 2 ? ((((bits) + 15) >> 3) & ~1) /* pad to 2 bytes */\
+ :(nBytes) == 4 ? ((((bits) + 31) >> 3) & ~3) /* pad to 4 bytes */\
+ :(nBytes) == 8 ? ((((bits) + 63) >> 3) & ~7) /* pad to 8 bytes */\
+ : 0)
+
+
+static void
+EmitBitmap(FILE *outFile,
+ FSXFontInfoHeader *fontHeader,
+ FSXCharInfo *charInfo,
+ unsigned int encoding,
+ int bpr,
+ unsigned char *data)
+{
+ char *glyphName;
+ unsigned int row;
+
+ /*-
+ * format:
+ * STARTCHAR name
+ * ENCODING index
+ * SWIDTH scalablewidth 0
+ * DWIDTH pixels 0
+ * BBX width height xoff yoff
+ * ATTRIBUTES xxxx
+ * BITMAP hhhhhhhh ...
+ * ENDCHAR
+ *
+ * where, SWIDTH * (point / 1000) * (yres / 72) = DWIDTH or,
+ * SWIDTH = 72000 *
+ * DWIDTH / (point * yres)
+ */
+
+ fprintf(outFile, "STARTCHAR ");
+ glyphName = XKeysymToString((KeySym) encoding);
+ if (glyphName)
+ fputs(glyphName, outFile);
+ else
+ fprintf(outFile, (fontHeader->char_range.min_char.low > 0 ?
+ "C%06o" : "C%03o"), encoding);
+ fputc('\n', outFile);
+ fprintf(outFile, "ENCODING %u\n", encoding);
+ fprintf(outFile, "SWIDTH %ld 0\n",
+ (((long) charInfo->width) * 72000L) /
+ (pointSize * yResolution));
+ fprintf(outFile, "DWIDTH %d 0\n", charInfo->width);
+ fprintf(outFile, "BBX %d %d %d %d\n",
+ charInfo->right - charInfo->left,
+ charInfo->ascent + charInfo->descent,
+ charInfo->left,
+ -charInfo->descent);
+ if (charInfo->attributes)
+ fprintf(outFile, "ATTRIBUTES %04x\n", charInfo->attributes);
+
+ /*
+ * emit the bitmap
+ */
+ fprintf(outFile, "BITMAP\n");
+ for (row = 0; row < (charInfo->ascent + charInfo->descent); row++) {
+ unsigned byte;
+ unsigned bit;
+
+ static unsigned maskTab[] =
+ {
+ (1 << 7), (1 << 6), (1 << 5), (1 << 4),
+ (1 << 3), (1 << 2), (1 << 1), (1 << 0),
+ };
+
+ byte = 0;
+ for (bit = 0; bit < (charInfo->right - charInfo->left); bit++) {
+ byte |= maskTab[bit & 7] & data[bit >> 3];
+ if ((bit & 7) == 7) {
+ fprintf(outFile, "%02x", byte);
+ byte = 0;
+ }
+ }
+ if ((bit & 7) != 0)
+ fprintf(outFile, "%02x", byte);
+ fputc('\n', outFile);
+ data += bpr;
+ }
+ fprintf(outFile, "ENDCHAR\n");
+}
+
+
+Bool
+EmitCharacters(FILE *outFile,
+ FSServer *fontServer,
+ FSXFontInfoHeader *fontHeader,
+ Font fontID)
+{
+ FSXCharInfo *extents;
+ FSXCharInfo *charInfo;
+ int encoding;
+ FSOffset *offsets;
+ unsigned char *glyph;
+ unsigned char *glyphs;
+ unsigned int nChars;
+ int firstCharLow;
+ int firstCharHigh;
+ int lastCharLow;
+ int lastCharHigh;
+ int chLow;
+ int chHigh;
+ FSBitmapFormat format;
+
+ nChars = 0;
+
+ format = BYTE_ORDER | BIT_ORDER | SCANLINE_UNIT |
+ SCANLINE_PAD | EXTENTS;
+ firstCharLow = fontHeader->char_range.min_char.low;
+ firstCharHigh = fontHeader->char_range.min_char.high;
+ lastCharLow = fontHeader->char_range.max_char.low;
+ lastCharHigh = fontHeader->char_range.max_char.high;
+
+ (void) FSQueryXExtents16(fontServer, fontID, True, (FSChar2b *) 0, 0,
+ &extents);
+ (void) FSQueryXBitmaps16(fontServer, fontID, format, True, (FSChar2b *) 0,
+ 0, &offsets, &glyphs);
+
+ charInfo = extents;
+ /* calculate the actual number of chars */
+ for (chHigh = 0; chHigh <= (lastCharHigh-firstCharHigh); chHigh++) {
+ for (chLow = 0; chLow <= (lastCharLow-firstCharLow); chLow++) {
+ if ((charInfo->width != 0) || (charInfo->left != charInfo->right))
+ nChars++;
+ charInfo++;
+ }
+ }
+
+ fprintf(outFile, "CHARS %u\n", nChars);
+
+ /*
+ * actually emit the characters
+ */
+ charInfo = extents;
+ glyph = glyphs;
+ for (chHigh = firstCharHigh; chHigh <= lastCharHigh; chHigh++) {
+ for (chLow = firstCharLow; chLow <= lastCharLow; chLow++) {
+ int bpr;
+
+ bpr = GLWIDTHBYTESPADDED((charInfo->right - charInfo->left),
+ SCANLINE_PAD_BYTES);
+ encoding=(chHigh << 8)+chLow;
+ if ((charInfo->width != 0) || (charInfo->right != charInfo->left))
+ EmitBitmap(outFile, fontHeader, charInfo, encoding, bpr, glyph);
+ glyph = glyphs +
+ offsets[encoding-((firstCharHigh << 8)+firstCharLow) + 1].position;
+ charInfo++;
+ }
+ }
+ FSFree((char *) extents);
+ FSFree((char *) glyphs);
+ FSFree((char *) offsets);
+ return (True);
+}
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