CVS: rdesktop bitmap.c,1.26,1.27
Jay Sorg <[email protected]> Sat, 06 Jan 2007 14:21:22 -0800
| Newsgroups | gmane.network.rdesktop.cvs |
|---|---|
| Message-ID | <[email protected]> |
Update of /cvsroot/rdesktop/rdesktop In directory sc8-pr-cvs9.sourceforge.net:/tmp/cvs-serv17890 Modified Files: bitmap.c Log Message: remove old unused code and update email address Index: bitmap.c =================================================================== RCS file: /cvsroot/rdesktop/rdesktop/bitmap.c,v retrieving revision 1.26 retrieving revision 1.27 diff -C2 -d -r1.26 -r1.27 *** bitmap.c 4 Jan 2007 05:39:38 -0000 1.26 --- bitmap.c 6 Jan 2007 22:21:20 -0000 1.27 *************** *** 19,28 **** */ ! /* three seperate function for speed when decompressing the bitmaps */ ! /* when modifing one function make the change in the others */ ! /* comment out #define BITMAP_SPEED_OVER_SIZE below for one slower function */ ! /* [email protected] */ ! ! #define BITMAP_SPEED_OVER_SIZE /* indent is confused by this file */ --- 19,25 ---- */ ! /* three seperate function for speed when decompressing the bitmaps ! when modifing one function make the change in the others ! [email protected] */ /* indent is confused by this file */ *************** *** 67,72 **** } - #ifdef BITMAP_SPEED_OVER_SIZE - /* 1 byte bitmap decompress */ static BOOL --- 64,67 ---- *************** *** 752,1003 **** } - #else - - static uint32 - cvalx(uint8 **input, int Bpp) - { - uint32 rv = 0; - memcpy(&rv, *input, Bpp); - *input += Bpp; - return rv; - } - - static void - setli(uint8 *input, int offset, uint32 value, int Bpp) - { - input += offset * Bpp; - memcpy(input, &value, Bpp); - } - - static uint32 - getli(uint8 *input, int offset, int Bpp) - { - uint32 rv = 0; - input += offset * Bpp; - memcpy(&rv, input, Bpp); - return rv; - } - - static BOOL - bitmap_decompressx(uint8 *output, int width, int height, uint8 *input, int size, int Bpp) - { - uint8 *end = input + size; - uint8 *prevline = NULL, *line = NULL; - int opcode, count, offset, isfillormix, x = width; - int lastopcode = -1, insertmix = False, bicolour = False; - uint8 code; - uint32 colour1 = 0, colour2 = 0; - uint8 mixmask, mask = 0; - uint32 mix = 0xffffffff; - int fom_mask = 0; - - while (input < end) - { - fom_mask = 0; - code = CVAL(input); - opcode = code >> 4; - - /* Handle different opcode forms */ - switch (opcode) - { - case 0xc: - case 0xd: - case 0xe: - opcode -= 6; - count = code & 0xf; - offset = 16; - break; - - case 0xf: - opcode = code & 0xf; - if (opcode < 9) - { - count = CVAL(input); - count |= CVAL(input) << 8; - } - else - { - count = (opcode < 0xb) ? 8 : 1; - } - offset = 0; - break; - - default: - opcode >>= 1; - count = code & 0x1f; - offset = 32; - break; - } - - /* Handle strange cases for counts */ - if (offset != 0) - { - isfillormix = ((opcode == 2) || (opcode == 7)); - - if (count == 0) - { - if (isfillormix) - count = CVAL(input) + 1; - else - count = CVAL(input) + offset; - } - else if (isfillormix) - { - count <<= 3; - } - } - - /* Read preliminary data */ - switch (opcode) - { - case 0: /* Fill */ - if ((lastopcode == opcode) && !((x == width) && (prevline == NULL))) - insertmix = True; - break; - case 8: /* Bicolour */ - colour1 = cvalx(&input, Bpp); - case 3: /* Colour */ - colour2 = cvalx(&input, Bpp); - break; - case 6: /* SetMix/Mix */ - case 7: /* SetMix/FillOrMix */ - mix = cvalx(&input, Bpp); - opcode -= 5; - break; - case 9: /* FillOrMix_1 */ - mask = 0x03; - opcode = 0x02; - fom_mask = 3; - break; - case 0x0a: /* FillOrMix_2 */ - mask = 0x05; - opcode = 0x02; - fom_mask = 5; - break; - - } - - lastopcode = opcode; - mixmask = 0; - - /* Output body */ - while (count > 0) - { - if (x >= width) - { - if (height <= 0) - return False; - - x = 0; - height--; - - prevline = line; - line = output + height * width * Bpp; - } - - switch (opcode) - { - case 0: /* Fill */ - if (insertmix) - { - if (prevline == NULL) - setli(line, x, mix, Bpp); - else - setli(line, x, - getli(prevline, x, Bpp) ^ mix, Bpp); - - insertmix = False; - count--; - x++; - } - - if (prevline == NULL) - { - REPEAT(setli(line, x, 0, Bpp))} - else - { - REPEAT(setli - (line, x, getli(prevline, x, Bpp), Bpp)); - } - break; - - case 1: /* Mix */ - if (prevline == NULL) - { - REPEAT(setli(line, x, mix, Bpp)); - } - else - { - REPEAT(setli - (line, x, getli(prevline, x, Bpp) ^ mix, - Bpp)); - } - break; - - case 2: /* Fill or Mix */ - if (prevline == NULL) - { - REPEAT(MASK_UPDATE(); - if (mask & mixmask) setli(line, x, mix, Bpp); - else - setli(line, x, 0, Bpp);); - } - else - { - REPEAT(MASK_UPDATE(); - if (mask & mixmask) - setli(line, x, getli(prevline, x, Bpp) ^ mix, - Bpp); - else - setli(line, x, getli(prevline, x, Bpp), - Bpp);); - } - break; - - case 3: /* Colour */ - REPEAT(setli(line, x, colour2, Bpp)); - break; - - case 4: /* Copy */ - REPEAT(setli(line, x, cvalx(&input, Bpp), Bpp)); - break; - - case 8: /* Bicolour */ - REPEAT(if (bicolour) - { - setli(line, x, colour2, Bpp); bicolour = False;} - else - { - setli(line, x, colour1, Bpp); bicolour = True; - count++;} - ); - break; - - case 0xd: /* White */ - REPEAT(setli(line, x, 0xffffffff, Bpp)); - break; - - case 0xe: /* Black */ - REPEAT(setli(line, x, 0, Bpp)); - break; - - default: - unimpl("bitmap opcode 0x%x\n", opcode); - return False; - } - } - } - - return True; - } - - #endif - /* main decompress function */ BOOL bitmap_decompress(uint8 * output, int width, int height, uint8 * input, int size, int Bpp) { - #ifdef BITMAP_SPEED_OVER_SIZE BOOL rv = False; switch (Bpp) { --- 747,756 ---- } /* main decompress function */ BOOL bitmap_decompress(uint8 * output, int width, int height, uint8 * input, int size, int Bpp) { BOOL rv = False; + switch (Bpp) { *************** *** 1012,1019 **** break; } - #else - BOOL rv; - rv = bitmap_decompressx(output, width, height, input, size, Bpp); - #endif return rv; } --- 765,768 ---- ------------------------------------------------------------------------- Take Surveys. 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