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Diffstat (limited to 'cfb/cfbbres.c')
| -rw-r--r-- | cfb/cfbbres.c | 340 |
1 files changed, 0 insertions, 340 deletions
diff --git a/cfb/cfbbres.c b/cfb/cfbbres.c deleted file mode 100644 index fa1ee1379..000000000 --- a/cfb/cfbbres.c +++ /dev/null @@ -1,340 +0,0 @@ -/*********************************************************** - -Copyright 1987, 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. - - -Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include "misc.h" -#include "cfb.h" -#include "cfbmskbits.h" -#include "servermd.h" -#include "miline.h" - -/* Solid bresenham line */ -/* NOTES - e2 is used less often than e1, so it's not in a register -*/ - -void -cfbBresS(rop, and, xor, addrl, nlwidth, signdx, signdy, axis, x1, y1, e, e1, - e2, len) - int rop; - CfbBits and, xor; - CfbBits *addrl; /* pointer to base of bitmap */ - int nlwidth; /* width in longwords of bitmap */ - register int signdx; - int signdy; /* signs of directions */ - int axis; /* major axis (Y_AXIS or X_AXIS) */ - int x1, y1; /* initial point */ - register int e; /* error accumulator */ - register int e1; /* bresenham increments */ - int e2; - int len; /* length of line */ -{ - register int e3 = e2-e1; -#if PSZ == 24 - CfbBits piQxelXor[3],piQxelAnd[3]; - char *addrb; - int nlwidth3, signdx3; -#endif -#ifdef PIXEL_ADDR - register PixelType *addrp; /* Pixel pointer */ - - if (len == 0) - return; - /* point to first point */ - nlwidth <<= PWSH; -#if PSZ == 24 - addrp = (PixelType *)(addrl) + (y1 * nlwidth); - addrb = (char *)addrp + x1 * 3; - - piQxelXor[0] = (xor << 24) | xor; - piQxelXor[1] = (xor << 16)| (xor >> 8); - piQxelXor[2] = (xor << 8) | (xor >> 16); - piQxelAnd[0] = (and << 24) | and; - piQxelAnd[1] = (and << 16)| (and >> 8); - piQxelAnd[2] = (and << 8) | (and >> 16); -#else - addrp = (PixelType *)(addrl) + (y1 * nlwidth) + x1; -#endif - if (signdy < 0) - nlwidth = -nlwidth; - e = e-e1; /* to make looping easier */ -#if PSZ == 24 - nlwidth3 = nlwidth * sizeof (CfbBits); - signdx3 = signdx * 3; -#endif - - if (axis == Y_AXIS) - { - int t; - - t = nlwidth; - nlwidth = signdx; - signdx = t; -#if PSZ == 24 - t = nlwidth3; - nlwidth3 = signdx3; - signdx3 = t; -#endif - } - if (rop == GXcopy) - { - --len; -#if PSZ == 24 -#define body_copy \ - addrp = (PixelType *)((unsigned long)addrb & ~0x03); \ - switch((unsigned long)addrb & 3){ \ - case 0: \ - *addrp = ((*addrp)&0xFF000000)|(piQxelXor[0] & 0xFFFFFF); \ - break; \ - case 1: \ - *addrp = ((*addrp)&0xFF)|(piQxelXor[2] & 0xFFFFFF00); \ - break; \ - case 3: \ - *addrp = ((*addrp)&0xFFFFFF)|(piQxelXor[0] & 0xFF000000); \ - *(addrp+1) = ((*(addrp+1))&0xFFFF0000)|(piQxelXor[1] & 0xFFFF); \ - break; \ - case 2: \ - *addrp = ((*addrp)&0xFFFF)|(piQxelXor[1] & 0xFFFF0000); \ - *(addrp+1) = ((*(addrp+1))&0xFFFFFF00)|(piQxelXor[2] & 0xFF); \ - break; \ - } -#define body {\ - body_copy \ - addrb += signdx3; \ - e += e1; \ - if (e >= 0) \ - { \ - addrb += nlwidth3; \ - e += e3; \ - } \ - } -#else /* PSZ == 24 */ -#define body {\ - *addrp = xor; \ - addrp += signdx; \ - e += e1; \ - if (e >= 0) \ - { \ - addrp += nlwidth; \ - e += e3; \ - } \ - } -#endif /* PSZ == 24 */ - while (len >= 4) - { - body body body body - len -= 4; - } - switch (len) - { - case 3: body case 2: body case 1: body - } -#undef body -#if PSZ == 24 - body_copy -# undef body_copy -#else - *addrp = xor; -#endif - } - else /* not GXcopy */ - { - while(len--) - { -#if PSZ == 24 - addrp = (PixelType *)((unsigned long)addrb & ~0x03); - switch((unsigned long)addrb & 3){ - case 0: - *addrp = (*addrp & (piQxelAnd[0]|0xFF000000)) - ^ (piQxelXor[0] & 0xFFFFFF); - break; - case 1: - *addrp = (*addrp & (piQxelAnd[2]|0xFF)) - ^ (piQxelXor[2] & 0xFFFFFF00); - break; - case 3: - *addrp = (*addrp & (piQxelAnd[0]|0xFFFFFF)) - ^ (piQxelXor[0] & 0xFF000000); - *(addrp+1) = (*(addrp+1) & (piQxelAnd[1]|0xFFFF0000)) - ^ (piQxelXor[1] & 0xFFFF); - break; - case 2: - *addrp = (*addrp & (piQxelAnd[1]|0xFFFF)) - ^ (piQxelXor[1] & 0xFFFF0000); - *(addrp+1) = (*(addrp+1) & (piQxelAnd[2]|0xFFFFFF00)) - ^ (piQxelXor[2] & 0xFF); - break; - } - e += e1; - if (e >= 0) - { - addrb += nlwidth3; - e += e3; - } - addrb += signdx3; -#else /* PSZ == 24 */ - *addrp = DoRRop (*addrp, and, xor); - e += e1; - if (e >= 0) - { - addrp += nlwidth; - e += e3; - } - addrp += signdx; -#endif /* PSZ == 24 */ - } - } -#else /* !PIXEL_ADDR */ - register CfbBits tmp, bit; - CfbBits leftbit, rightbit; - - /* point to longword containing first point */ -#if PSZ == 24 - addrl = (addrl + (y1 * nlwidth) + ((x1 * 3) >>2); -#else - addrl = (addrl + (y1 * nlwidth) + (x1 >> PWSH)); -#endif - if (signdy < 0) - nlwidth = -nlwidth; - e = e-e1; /* to make looping easier */ - - leftbit = cfbmask[0]; -#if PSZ == 24 - rightbit = cfbmask[(PPW-1)<<1]; - bit = cfbmask[(x1 & 3)<<1]; -#else - rightbit = cfbmask[PPW-1]; - bit = cfbmask[x1 & PIM]; -#endif - - if (axis == X_AXIS) - { - if (signdx > 0) - { - while (len--) - { - *addrl = DoMaskRRop (*addrl, and, xor, bit); - bit = SCRRIGHT(bit,1); - e += e1; - if (e >= 0) - { - addrl += nlwidth; - e += e3; - } - if (!bit) - { - bit = leftbit; - addrl++; - } - } - } - else - { - while (len--) - { - *addrl = DoMaskRRop (*addrl, and, xor, bit); - e += e1; - bit = SCRLEFT(bit,1); - if (e >= 0) - { - addrl += nlwidth; - e += e3; - } - if (!bit) - { - bit = rightbit; - addrl--; - } - } - } - } /* if X_AXIS */ - else - { - if (signdx > 0) - { - while(len--) - { - *addrl = DoMaskRRop (*addrl, and, xor, bit); - e += e1; - if (e >= 0) - { - bit = SCRRIGHT(bit,1); - if (!bit) - { - bit = leftbit; - addrl++; - } - e += e3; - } - addrl += nlwidth; - } - } - else - { - while(len--) - { - *addrl = DoMaskRRop (*addrl, and, xor, bit); - e += e1; - if (e >= 0) - { - bit = SCRLEFT(bit,1); - if (!bit) - { - bit = rightbit; - addrl--; - } - e += e3; - } - addrl += nlwidth; - } - } - } /* else Y_AXIS */ -#endif -} |