diff options
Diffstat (limited to 'libXfont/src/bitmap/bitmaputil.c')
| -rw-r--r-- | libXfont/src/bitmap/bitmaputil.c | 450 |
1 files changed, 225 insertions, 225 deletions
diff --git a/libXfont/src/bitmap/bitmaputil.c b/libXfont/src/bitmap/bitmaputil.c index c44bf9cae..7ac94b3fb 100644 --- a/libXfont/src/bitmap/bitmaputil.c +++ b/libXfont/src/bitmap/bitmaputil.c @@ -1,225 +1,225 @@ -/*
-
-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;
-}
+/* + +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; +} |