diff options
Diffstat (limited to 'libXfont/src/bitmap/bitmap.c')
-rw-r--r-- | libXfont/src/bitmap/bitmap.c | 314 |
1 files changed, 157 insertions, 157 deletions
diff --git a/libXfont/src/bitmap/bitmap.c b/libXfont/src/bitmap/bitmap.c index f837deafd..1ceb4bb17 100644 --- a/libXfont/src/bitmap/bitmap.c +++ b/libXfont/src/bitmap/bitmap.c @@ -1,157 +1,157 @@ -/*
-
-Copyright 1991, 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.
-
-*/
-
-/*
- * Author: Keith Packard, MIT X Consortium
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <X11/fonts/fntfilst.h>
-#include <X11/fonts/bitmap.h>
-
-int
-bitmapGetGlyphs(FontPtr pFont, unsigned long count, unsigned char *chars,
- FontEncoding charEncoding,
- unsigned long *glyphCount, /* RETURN */
- CharInfoPtr *glyphs) /* RETURN */
-{
- BitmapFontPtr bitmapFont;
- unsigned int firstCol;
- register unsigned int numCols;
- unsigned int firstRow;
- unsigned int numRows;
- CharInfoPtr *glyphsBase;
- register unsigned int c;
- register CharInfoPtr pci;
- unsigned int r;
- CharInfoPtr **encoding;
- CharInfoPtr pDefault;
-
- bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
- encoding = bitmapFont->encoding;
- pDefault = bitmapFont->pDefault;
- firstCol = pFont->info.firstCol;
- numCols = pFont->info.lastCol - firstCol + 1;
- glyphsBase = glyphs;
- switch (charEncoding) {
-
- case Linear8Bit:
- case TwoD8Bit:
- if (pFont->info.firstRow > 0)
- break;
- if (pFont->info.allExist && pDefault) {
- while (count--) {
- c = (*chars++) - firstCol;
- if (c < numCols)
- *glyphs++ = ACCESSENCODING(encoding,c);
- else
- *glyphs++ = pDefault;
- }
- } else {
- while (count--) {
- c = (*chars++) - firstCol;
- if (c < numCols && (pci = ACCESSENCODING(encoding,c)))
- *glyphs++ = pci;
- else if (pDefault)
- *glyphs++ = pDefault;
- }
- }
- break;
- case Linear16Bit:
- if (pFont->info.allExist && pDefault) {
- while (count--) {
- c = *chars++ << 8;
- c = (c | *chars++) - firstCol;
- if (c < numCols)
- *glyphs++ = ACCESSENCODING(encoding,c);
- else
- *glyphs++ = pDefault;
- }
- } else {
- while (count--) {
- c = *chars++ << 8;
- c = (c | *chars++) - firstCol;
- if (c < numCols && (pci = ACCESSENCODING(encoding,c)))
- *glyphs++ = pci;
- else if (pDefault)
- *glyphs++ = pDefault;
- }
- }
- break;
-
- case TwoD16Bit:
- firstRow = pFont->info.firstRow;
- numRows = pFont->info.lastRow - firstRow + 1;
- while (count--) {
- r = (*chars++) - firstRow;
- c = (*chars++) - firstCol;
- if (r < numRows && c < numCols &&
- (pci = ACCESSENCODING(encoding, r * numCols + c)))
- *glyphs++ = pci;
- else if (pDefault)
- *glyphs++ = pDefault;
- }
- break;
- }
- *glyphCount = glyphs - glyphsBase;
- return Successful;
-}
-
-static CharInfoRec nonExistantChar;
-
-int
-bitmapGetMetrics(FontPtr pFont, unsigned long count, unsigned char *chars,
- FontEncoding charEncoding,
- unsigned long *glyphCount, /* RETURN */
- xCharInfo **glyphs) /* RETURN */
-{
- int ret;
- xCharInfo *ink_metrics;
- CharInfoPtr metrics;
- BitmapFontPtr bitmapFont;
- CharInfoPtr oldDefault;
- int i;
-
- bitmapFont = (BitmapFontPtr) pFont->fontPrivate;
- oldDefault = bitmapFont->pDefault;
- bitmapFont->pDefault = &nonExistantChar;
- ret = bitmapGetGlyphs(pFont, count, chars, charEncoding, glyphCount, (CharInfoPtr *) glyphs);
- if (ret == Successful) {
- if (bitmapFont->ink_metrics) {
- metrics = bitmapFont->metrics;
- ink_metrics = bitmapFont->ink_metrics;
- for (i = 0; i < *glyphCount; i++) {
- if (glyphs[i] != (xCharInfo *) & nonExistantChar)
- glyphs[i] = ink_metrics + (((CharInfoPtr) glyphs[i]) - metrics);
- }
- }
- }
- bitmapFont->pDefault = oldDefault;
- return ret;
-}
+/* + +Copyright 1991, 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. + +*/ + +/* + * Author: Keith Packard, MIT X Consortium + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <X11/fonts/fntfilst.h> +#include <X11/fonts/bitmap.h> + +int +bitmapGetGlyphs(FontPtr pFont, unsigned long count, unsigned char *chars, + FontEncoding charEncoding, + unsigned long *glyphCount, /* RETURN */ + CharInfoPtr *glyphs) /* RETURN */ +{ + BitmapFontPtr bitmapFont; + unsigned int firstCol; + register unsigned int numCols; + unsigned int firstRow; + unsigned int numRows; + CharInfoPtr *glyphsBase; + register unsigned int c; + register CharInfoPtr pci; + unsigned int r; + CharInfoPtr **encoding; + CharInfoPtr pDefault; + + bitmapFont = (BitmapFontPtr) pFont->fontPrivate; + encoding = bitmapFont->encoding; + pDefault = bitmapFont->pDefault; + firstCol = pFont->info.firstCol; + numCols = pFont->info.lastCol - firstCol + 1; + glyphsBase = glyphs; + switch (charEncoding) { + + case Linear8Bit: + case TwoD8Bit: + if (pFont->info.firstRow > 0) + break; + if (pFont->info.allExist && pDefault) { + while (count--) { + c = (*chars++) - firstCol; + if (c < numCols) + *glyphs++ = ACCESSENCODING(encoding,c); + else + *glyphs++ = pDefault; + } + } else { + while (count--) { + c = (*chars++) - firstCol; + if (c < numCols && (pci = ACCESSENCODING(encoding,c))) + *glyphs++ = pci; + else if (pDefault) + *glyphs++ = pDefault; + } + } + break; + case Linear16Bit: + if (pFont->info.allExist && pDefault) { + while (count--) { + c = *chars++ << 8; + c = (c | *chars++) - firstCol; + if (c < numCols) + *glyphs++ = ACCESSENCODING(encoding,c); + else + *glyphs++ = pDefault; + } + } else { + while (count--) { + c = *chars++ << 8; + c = (c | *chars++) - firstCol; + if (c < numCols && (pci = ACCESSENCODING(encoding,c))) + *glyphs++ = pci; + else if (pDefault) + *glyphs++ = pDefault; + } + } + break; + + case TwoD16Bit: + firstRow = pFont->info.firstRow; + numRows = pFont->info.lastRow - firstRow + 1; + while (count--) { + r = (*chars++) - firstRow; + c = (*chars++) - firstCol; + if (r < numRows && c < numCols && + (pci = ACCESSENCODING(encoding, r * numCols + c))) + *glyphs++ = pci; + else if (pDefault) + *glyphs++ = pDefault; + } + break; + } + *glyphCount = glyphs - glyphsBase; + return Successful; +} + +static CharInfoRec nonExistantChar; + +int +bitmapGetMetrics(FontPtr pFont, unsigned long count, unsigned char *chars, + FontEncoding charEncoding, + unsigned long *glyphCount, /* RETURN */ + xCharInfo **glyphs) /* RETURN */ +{ + int ret; + xCharInfo *ink_metrics; + CharInfoPtr metrics; + BitmapFontPtr bitmapFont; + CharInfoPtr oldDefault; + int i; + + bitmapFont = (BitmapFontPtr) pFont->fontPrivate; + oldDefault = bitmapFont->pDefault; + bitmapFont->pDefault = &nonExistantChar; + ret = bitmapGetGlyphs(pFont, count, chars, charEncoding, glyphCount, (CharInfoPtr *) glyphs); + if (ret == Successful) { + if (bitmapFont->ink_metrics) { + metrics = bitmapFont->metrics; + ink_metrics = bitmapFont->ink_metrics; + for (i = 0; i < *glyphCount; i++) { + if (glyphs[i] != (xCharInfo *) & nonExistantChar) + glyphs[i] = ink_metrics + (((CharInfoPtr) glyphs[i]) - metrics); + } + } + } + bitmapFont->pDefault = oldDefault; + return ret; +} |