+++ /dev/null
-/* $XConsortium: bitmaputil.c,v 1.6 94/04/17 20:17:12 gildea Exp $ */
-
-/*
-
-Copyright (c) 1990, 1994 X Consortium
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-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 X CONSORTIUM 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 X Consortium 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 X Consortium.
-
-*/
-
-#include "fntfilst.h"
-#include "bitmap.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(pFont)
- FontPtr pFont;
-{
- BitmapFontPtr bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
- int nchars;
- int r,
- c;
- CharInfoPtr ci,
- *pci;
- 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;
- pci = bitmapFont->encoding;
- maxOverlap = MINSHORT;
- for (r = pFont->info.firstRow; r <= pFont->info.lastRow; r++) {
- for (c = pFont->info.firstCol; c <= pFont->info.lastCol; c++) {
- ci = *pci++;
- 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;
- }
- }
- }
- }
- if (numneg > numpos)
- pFont->info.drawDirection = RightToLeft;
- else
- pFont->info.drawDirection = LeftToRight;
- pFont->info.maxOverlap = maxOverlap;
-}
-
-void
-bitmapComputeFontInkBounds(pFont)
- FontPtr pFont;
-{
- BitmapFontPtr bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
- int nchars;
- int r,
- c;
- CharInfoPtr *pci,
- 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;
- pci = bitmapFont->encoding;
- for (r = pFont->info.firstRow; r <= pFont->info.lastRow; r++) {
- for (c = pFont->info.firstCol; c <= pFont->info.lastCol; c++) {
- cit = *pci++;
- if (cit) {
- offset = cit - bitmapFont->metrics;
- ci = &bitmapFont->ink_metrics[offset];
- COMPUTE_MINMAX(ci);
- minbounds->attributes &= ci->attributes;
- maxbounds->attributes |= ci->attributes;
- }
- }
- }
- }
- }
-}
-
-Bool
-bitmapAddInkMetrics(pFont)
- FontPtr pFont;
-{
- BitmapFontPtr bitmapFont;
- int i;
-
- bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
- bitmapFont->ink_metrics = (xCharInfo *) xalloc(bitmapFont->num_chars * sizeof(xCharInfo));
- if (!bitmapFont->ink_metrics)
- 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(pFont)
- FontPtr pFont;
-{
- return 10;
-}
projects / rdpsrv / blobdiff