diff options
Diffstat (limited to 'libXfont/src/util/utilbitmap.c')
-rw-r--r-- | libXfont/src/util/utilbitmap.c | 370 |
1 files changed, 185 insertions, 185 deletions
diff --git a/libXfont/src/util/utilbitmap.c b/libXfont/src/util/utilbitmap.c index 070cd5801..5feb2d133 100644 --- a/libXfont/src/util/utilbitmap.c +++ b/libXfont/src/util/utilbitmap.c @@ -1,185 +1,185 @@ -/*
-
-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.
-
-*/
-
-/*
- * Author: Keith Packard, MIT X Consortium
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <X11/fonts/fontmisc.h>
-
-/* Utility functions for reformating font bitmaps */
-
-static const unsigned char _reverse_byte[0x100] = {
- 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
- 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
- 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
- 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
- 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
- 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
- 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
- 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
- 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
- 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
- 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
- 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
- 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
- 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
- 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
- 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
- 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
- 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
- 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
- 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
- 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
- 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
- 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
- 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
- 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
- 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
- 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
- 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
- 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
- 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
- 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
- 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff
-};
-
-/*
- * Invert bit order within each BYTE of an array.
- */
-void
-BitOrderInvert(unsigned char *buf, int nbytes)
-{
- const unsigned char *rev = _reverse_byte;
-
- for (; --nbytes >= 0; buf++)
- *buf = rev[*buf];
-}
-
-/*
- * Invert byte order within each 16-bits of an array.
- */
-void
-TwoByteSwap(unsigned char *buf, int nbytes)
-{
- unsigned char c;
-
- for (; nbytes > 0; nbytes -= 2, buf += 2)
- {
- c = buf[0];
- buf[0] = buf[1];
- buf[1] = c;
- }
-}
-
-/*
- * Invert byte order within each 32-bits of an array.
- */
-void
-FourByteSwap(unsigned char *buf, int nbytes)
-{
- unsigned char c;
-
- for (; nbytes > 0; nbytes -= 4, buf += 4)
- {
- c = buf[0];
- buf[0] = buf[3];
- buf[3] = c;
- c = buf[1];
- buf[1] = buf[2];
- buf[2] = c;
- }
-}
-
-/*
- * Repad a bitmap
- */
-
-int
-RepadBitmap (char *pSrc, char *pDst,
- unsigned int srcPad, unsigned int dstPad,
- int width, int height)
-{
- int srcWidthBytes,dstWidthBytes;
- int row,col;
- char *pTmpSrc,*pTmpDst;
-
- switch (srcPad) {
- case 1:
- srcWidthBytes = (width+7)>>3;
- break;
- case 2:
- srcWidthBytes = ((width+15)>>4)<<1;
- break;
- case 4:
- srcWidthBytes = ((width+31)>>5)<<2;
- break;
- case 8:
- srcWidthBytes = ((width+63)>>6)<<3;
- break;
- default:
- return 0;
- }
- switch (dstPad) {
- case 1:
- dstWidthBytes = (width+7)>>3;
- break;
- case 2:
- dstWidthBytes = ((width+15)>>4)<<1;
- break;
- case 4:
- dstWidthBytes = ((width+31)>>5)<<2;
- break;
- case 8:
- dstWidthBytes = ((width+63)>>6)<<3;
- break;
- default:
- return 0;
- }
-
- width = srcWidthBytes;
- if (width > dstWidthBytes)
- width = dstWidthBytes;
- pTmpSrc= pSrc;
- pTmpDst= pDst;
- for (row = 0; row < height; row++)
- {
- for (col = 0; col < width; col++)
- *pTmpDst++ = *pTmpSrc++;
- while (col < dstWidthBytes)
- {
- *pTmpDst++ = '\0';
- col++;
- }
- pTmpSrc += srcWidthBytes - width;
- }
- return dstWidthBytes * height;
-}
-
-
+/* + +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. + +*/ + +/* + * Author: Keith Packard, MIT X Consortium + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/fonts/fontmisc.h> + +/* Utility functions for reformating font bitmaps */ + +static const unsigned char _reverse_byte[0x100] = { + 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, + 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, + 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, + 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, + 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, + 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, + 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, + 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, + 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, + 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, + 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, + 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, + 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, + 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, + 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, + 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, + 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, + 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, + 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, + 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, + 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, + 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, + 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, + 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, + 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, + 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, + 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, + 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, + 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, + 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, + 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, + 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff +}; + +/* + * Invert bit order within each BYTE of an array. + */ +void +BitOrderInvert(unsigned char *buf, int nbytes) +{ + const unsigned char *rev = _reverse_byte; + + for (; --nbytes >= 0; buf++) + *buf = rev[*buf]; +} + +/* + * Invert byte order within each 16-bits of an array. + */ +void +TwoByteSwap(unsigned char *buf, int nbytes) +{ + unsigned char c; + + for (; nbytes > 0; nbytes -= 2, buf += 2) + { + c = buf[0]; + buf[0] = buf[1]; + buf[1] = c; + } +} + +/* + * Invert byte order within each 32-bits of an array. + */ +void +FourByteSwap(unsigned char *buf, int nbytes) +{ + unsigned char c; + + for (; nbytes > 0; nbytes -= 4, buf += 4) + { + c = buf[0]; + buf[0] = buf[3]; + buf[3] = c; + c = buf[1]; + buf[1] = buf[2]; + buf[2] = c; + } +} + +/* + * Repad a bitmap + */ + +int +RepadBitmap (char *pSrc, char *pDst, + unsigned int srcPad, unsigned int dstPad, + int width, int height) +{ + int srcWidthBytes,dstWidthBytes; + int row,col; + char *pTmpSrc,*pTmpDst; + + switch (srcPad) { + case 1: + srcWidthBytes = (width+7)>>3; + break; + case 2: + srcWidthBytes = ((width+15)>>4)<<1; + break; + case 4: + srcWidthBytes = ((width+31)>>5)<<2; + break; + case 8: + srcWidthBytes = ((width+63)>>6)<<3; + break; + default: + return 0; + } + switch (dstPad) { + case 1: + dstWidthBytes = (width+7)>>3; + break; + case 2: + dstWidthBytes = ((width+15)>>4)<<1; + break; + case 4: + dstWidthBytes = ((width+31)>>5)<<2; + break; + case 8: + dstWidthBytes = ((width+63)>>6)<<3; + break; + default: + return 0; + } + + width = srcWidthBytes; + if (width > dstWidthBytes) + width = dstWidthBytes; + pTmpSrc= pSrc; + pTmpDst= pDst; + for (row = 0; row < height; row++) + { + for (col = 0; col < width; col++) + *pTmpDst++ = *pTmpSrc++; + while (col < dstWidthBytes) + { + *pTmpDst++ = '\0'; + col++; + } + pTmpSrc += srcWidthBytes - width; + } + return dstWidthBytes * height; +} + + |