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author | marha <marha@users.sourceforge.net> | 2011-03-25 15:37:13 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2011-03-25 15:37:13 +0000 |
commit | 41a502478a2972358dec934d82ee401c61a5cd36 (patch) | |
tree | 3fda8100e6da9b4a2863789e393016a750502067 /libXfont/src/bitmap/bitmaputil.c | |
parent | 81aeaf653a832c4054d9a40b1cc796911521a739 (diff) | |
parent | 272e57235cd60a2e65ac8258d96a02eb3939b687 (diff) | |
download | vcxsrv-41a502478a2972358dec934d82ee401c61a5cd36.tar.gz vcxsrv-41a502478a2972358dec934d82ee401c61a5cd36.tar.bz2 vcxsrv-41a502478a2972358dec934d82ee401c61a5cd36.zip |
svn merge ^/branches/released .
Diffstat (limited to 'libXfont/src/bitmap/bitmaputil.c')
-rw-r--r-- | libXfont/src/bitmap/bitmaputil.c | 453 |
1 files changed, 225 insertions, 228 deletions
diff --git a/libXfont/src/bitmap/bitmaputil.c b/libXfont/src/bitmap/bitmaputil.c index 545a547c2..c44bf9cae 100644 --- a/libXfont/src/bitmap/bitmaputil.c +++ b/libXfont/src/bitmap/bitmaputil.c @@ -1,228 +1,225 @@ -/* $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> - -#define MAXSHORT 32767 - -#define MINSHORT -32768 - -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 = malloc(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; -} +/*
+
+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.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <X11/fonts/fntfilst.h>
+#include <X11/fonts/bitmap.h>
+#include <X11/fonts/bdfint.h>
+
+#define MAXSHORT 32767
+
+#define MINSHORT -32768
+
+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 = malloc(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;
+}
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