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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
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tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /libXfont/src/bitmap/bitmaputil.c
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Checked in the following released items:
xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz
Diffstat (limited to 'libXfont/src/bitmap/bitmaputil.c')
-rw-r--r--libXfont/src/bitmap/bitmaputil.c232
1 files changed, 232 insertions, 0 deletions
diff --git a/libXfont/src/bitmap/bitmaputil.c b/libXfont/src/bitmap/bitmaputil.c
new file mode 100644
index 000000000..3487f7f92
--- /dev/null
+++ b/libXfont/src/bitmap/bitmaputil.c
@@ -0,0 +1,232 @@
+/* $Xorg: bitmaputil.c,v 1.5 2001/02/09 02:04:02 xorgcvs Exp $ */
+
+/*
+
+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.
+
+*/
+/* $XFree86: xc/lib/font/bitmap/bitmaputil.c,v 1.10 2002/09/24 20:52:48 tsi Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <X11/fonts/fntfilst.h>
+#include <X11/fonts/bitmap.h>
+#include <X11/fonts/bdfint.h>
+
+#ifndef MAXSHORT
+#define MAXSHORT 32767
+#endif
+
+#ifndef MINSHORT
+#define MINSHORT -32768
+#endif
+
+static xCharInfo initMinMetrics = {
+MAXSHORT, MAXSHORT, MAXSHORT, MAXSHORT, MAXSHORT, 0xFFFF};
+static xCharInfo initMaxMetrics = {
+MINSHORT, MINSHORT, MINSHORT, MINSHORT, MINSHORT, 0x0000};
+
+#define MINMAX(field,ci) \
+ if (minbounds->field > (ci)->field) \
+ minbounds->field = (ci)->field; \
+ if (maxbounds->field < (ci)->field) \
+ maxbounds->field = (ci)->field;
+
+#define COMPUTE_MINMAX(ci) \
+ if ((ci)->ascent || (ci)->descent || \
+ (ci)->leftSideBearing || (ci)->rightSideBearing || \
+ (ci)->characterWidth) \
+ { \
+ MINMAX(ascent, (ci)); \
+ MINMAX(descent, (ci)); \
+ MINMAX(leftSideBearing, (ci)); \
+ MINMAX(rightSideBearing, (ci)); \
+ MINMAX(characterWidth, (ci)); \
+ }
+
+void
+bitmapComputeFontBounds(FontPtr pFont)
+{
+ BitmapFontPtr bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
+ int nchars;
+ int r,
+ c;
+ CharInfoPtr ci;
+ int maxOverlap;
+ int overlap;
+ xCharInfo *minbounds,
+ *maxbounds;
+ int i;
+ int numneg = 0, numpos = 0;
+
+ if (bitmapFont->bitmapExtra) {
+ minbounds = &bitmapFont->bitmapExtra->info.minbounds;
+ maxbounds = &bitmapFont->bitmapExtra->info.maxbounds;
+ } else {
+ minbounds = &pFont->info.minbounds;
+ maxbounds = &pFont->info.maxbounds;
+ }
+ *minbounds = initMinMetrics;
+ *maxbounds = initMaxMetrics;
+ maxOverlap = MINSHORT;
+ nchars = bitmapFont->num_chars;
+ for (i = 0, ci = bitmapFont->metrics; i < nchars; i++, ci++) {
+ COMPUTE_MINMAX(&ci->metrics);
+ if (ci->metrics.characterWidth < 0)
+ numneg++;
+ else
+ numpos++;
+ minbounds->attributes &= ci->metrics.attributes;
+ maxbounds->attributes |= ci->metrics.attributes;
+ overlap = ci->metrics.rightSideBearing - ci->metrics.characterWidth;
+ if (maxOverlap < overlap)
+ maxOverlap = overlap;
+ }
+ if (bitmapFont->bitmapExtra) {
+ if (numneg > numpos)
+ bitmapFont->bitmapExtra->info.drawDirection = RightToLeft;
+ else
+ bitmapFont->bitmapExtra->info.drawDirection = LeftToRight;
+ bitmapFont->bitmapExtra->info.maxOverlap = maxOverlap;
+ minbounds = &pFont->info.minbounds;
+ maxbounds = &pFont->info.maxbounds;
+ *minbounds = initMinMetrics;
+ *maxbounds = initMaxMetrics;
+ i = 0;
+ maxOverlap = MINSHORT;
+ for (r = pFont->info.firstRow; r <= pFont->info.lastRow; r++) {
+ for (c = pFont->info.firstCol; c <= pFont->info.lastCol; c++) {
+ ci = ACCESSENCODING(bitmapFont->encoding, i);
+ if (ci) {
+ COMPUTE_MINMAX(&ci->metrics);
+ if (ci->metrics.characterWidth < 0)
+ numneg++;
+ else
+ numpos++;
+ minbounds->attributes &= ci->metrics.attributes;
+ maxbounds->attributes |= ci->metrics.attributes;
+ overlap = ci->metrics.rightSideBearing -
+ ci->metrics.characterWidth;
+ if (maxOverlap < overlap)
+ maxOverlap = overlap;
+ }
+ i++;
+ }
+ }
+ }
+ if (numneg > numpos)
+ pFont->info.drawDirection = RightToLeft;
+ else
+ pFont->info.drawDirection = LeftToRight;
+ pFont->info.maxOverlap = maxOverlap;
+}
+
+void
+bitmapComputeFontInkBounds(FontPtr pFont)
+{
+ BitmapFontPtr bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
+ int nchars;
+ int r,
+ c;
+ CharInfoPtr cit;
+ xCharInfo *ci;
+ int offset;
+ xCharInfo *minbounds,
+ *maxbounds;
+ int i;
+
+ if (!bitmapFont->ink_metrics) {
+ if (bitmapFont->bitmapExtra) {
+ bitmapFont->bitmapExtra->info.ink_minbounds = bitmapFont->bitmapExtra->info.minbounds;
+ bitmapFont->bitmapExtra->info.ink_maxbounds = bitmapFont->bitmapExtra->info.maxbounds;
+ }
+ pFont->info.ink_minbounds = pFont->info.minbounds;
+ pFont->info.ink_maxbounds = pFont->info.maxbounds;
+ } else {
+ if (bitmapFont->bitmapExtra) {
+ minbounds = &bitmapFont->bitmapExtra->info.ink_minbounds;
+ maxbounds = &bitmapFont->bitmapExtra->info.ink_maxbounds;
+ } else {
+ minbounds = &pFont->info.ink_minbounds;
+ maxbounds = &pFont->info.ink_maxbounds;
+ }
+ *minbounds = initMinMetrics;
+ *maxbounds = initMaxMetrics;
+ nchars = bitmapFont->num_chars;
+ for (i = 0, ci = bitmapFont->ink_metrics; i < nchars; i++, ci++) {
+ COMPUTE_MINMAX(ci);
+ minbounds->attributes &= ci->attributes;
+ maxbounds->attributes |= ci->attributes;
+ }
+ if (bitmapFont->bitmapExtra) {
+ minbounds = &pFont->info.ink_minbounds;
+ maxbounds = &pFont->info.ink_maxbounds;
+ *minbounds = initMinMetrics;
+ *maxbounds = initMaxMetrics;
+ i=0;
+ for (r = pFont->info.firstRow; r <= pFont->info.lastRow; r++) {
+ for (c = pFont->info.firstCol; c <= pFont->info.lastCol; c++) {
+ cit = ACCESSENCODING(bitmapFont->encoding, i);
+ if (cit) {
+ offset = cit - bitmapFont->metrics;
+ ci = &bitmapFont->ink_metrics[offset];
+ COMPUTE_MINMAX(ci);
+ minbounds->attributes &= ci->attributes;
+ maxbounds->attributes |= ci->attributes;
+ }
+ i++;
+ }
+ }
+ }
+ }
+}
+
+Bool
+bitmapAddInkMetrics(FontPtr pFont)
+{
+ BitmapFontPtr bitmapFont;
+ int i;
+
+ bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
+ bitmapFont->ink_metrics = (xCharInfo *) xalloc(bitmapFont->num_chars * sizeof(xCharInfo));
+ if (!bitmapFont->ink_metrics) {
+ fprintf(stderr, "Error: Couldn't allocate ink_metrics (%d*%ld)\n",
+ bitmapFont->num_chars, (unsigned long)sizeof(xCharInfo));
+ return FALSE;
+ }
+ for (i = 0; i < bitmapFont->num_chars; i++)
+ FontCharInkMetrics(pFont, &bitmapFont->metrics[i], &bitmapFont->ink_metrics[i]);
+ pFont->info.inkMetrics = TRUE;
+ return TRUE;
+}
+
+/* ARGSUSED */
+int
+bitmapComputeWeight(FontPtr pFont)
+{
+ return 10;
+}