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Diffstat (limited to 'libXfont/src/bitmap/bitmaputil.c')
-rw-r--r--libXfont/src/bitmap/bitmaputil.c453
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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