X-Git-Url: https://git.sesse.net/?p=rdpsrv;a=blobdiff_plain;f=Xserver%2Fprograms%2FXserver%2Fcfb%2Fcfbbresd.c;fp=Xserver%2Fprograms%2FXserver%2Fcfb%2Fcfbbresd.c;h=0000000000000000000000000000000000000000;hp=322fa7f5c69ebcfe901b9f20c51e6dc4199a5999;hb=ce66b81460e5353db09d45c02339d4583fbda255;hpb=7772d71ffd742cfc9b7ff214659d16c5bb56a391 diff --git a/Xserver/programs/Xserver/cfb/cfbbresd.c b/Xserver/programs/Xserver/cfb/cfbbresd.c deleted file mode 100644 index 322fa7f..0000000 --- a/Xserver/programs/Xserver/cfb/cfbbresd.c +++ /dev/null @@ -1,403 +0,0 @@ -/*********************************************************** - -Copyright (c) 1987 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. - - -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. - -******************************************************************/ -/* $XConsortium: cfbbresd.c,v 1.16 94/04/17 20:28:45 dpw Exp $ */ -/* $XFree86: xc/programs/Xserver/cfb/cfbbresd.c,v 3.1 1996/08/25 14:05:42 dawes Exp $ */ -#include "X.h" -#include "misc.h" -#include "cfb.h" -#include "cfbmskbits.h" -#include "miline.h" - -/* Dashed bresenham line */ - -void -cfbBresD(rrops, - pdashIndex, pDash, numInDashList, pdashOffset, isDoubleDash, - addrl, nlwidth, - signdx, signdy, axis, x1, y1, e, e1, e2, len) - cfbRRopPtr rrops; - int *pdashIndex; /* current dash */ - unsigned char *pDash; /* dash list */ - int numInDashList; /* total length of dash list */ - int *pdashOffset; /* offset into current dash */ - int isDoubleDash; - unsigned long *addrl; /* pointer to base of bitmap */ - int nlwidth; /* width in longwords of bitmap */ - int signdx, 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 */ -{ -#ifdef PIXEL_ADDR - register PixelType *addrp; -#endif - register int e3 = e2-e1; - int dashIndex; - int dashOffset; - int dashRemaining; - unsigned long xorFg, andFg, xorBg, andBg; - Bool isCopy; - int thisDash; -#if PSZ == 24 - unsigned long xorPiQxlFg[3], andPiQxlFg[3], xorPiQxlBg[3], andPiQxlBg[3]; - char *addrb; - int signdx3, signdy3; -#endif - - dashOffset = *pdashOffset; - dashIndex = *pdashIndex; - isCopy = (rrops[0].rop == GXcopy && rrops[1].rop == GXcopy); -#if PSZ == 24 - xorFg = rrops[0].xor & 0xffffff; - andFg = rrops[0].and & 0xffffff; - xorBg = rrops[1].xor & 0xffffff; - andBg = rrops[1].and & 0xffffff; - xorPiQxlFg[0] = xorFg | (xorFg << 24); - xorPiQxlFg[1] = (xorFg >> 8) | (xorFg << 16); - xorPiQxlFg[2] = (xorFg >> 16) | (xorFg << 8); - andPiQxlFg[0] = andFg | (andFg << 24); - andPiQxlFg[1] = (andFg >> 8) | (andFg << 16); - andPiQxlFg[2] = (andFg >> 16) | (andFg << 8); - xorPiQxlBg[0] = xorBg | (xorBg << 24); - xorPiQxlBg[1] = (xorBg >> 8) | (xorBg << 16); - xorPiQxlBg[2] = (xorBg >> 16) | (xorBg << 8); - andPiQxlBg[0] = andBg | (andBg << 24); - andPiQxlBg[1] = (andBg >> 8) | (andBg << 16); - andPiQxlBg[2] = (andFg >> 16) | (andBg << 8); -#else - xorFg = rrops[0].xor; - andFg = rrops[0].and; - xorBg = rrops[1].xor; - andBg = rrops[1].and; -#endif - dashRemaining = pDash[dashIndex] - dashOffset; - if ((thisDash = dashRemaining) >= len) - { - thisDash = len; - dashRemaining -= len; - } - e = e-e1; /* to make looping easier */ - -#define BresStep(minor,major) {if ((e += e1) >= 0) { e += e3; minor; } major;} - -#define NextDash {\ - dashIndex++; \ - if (dashIndex == numInDashList) \ - dashIndex = 0; \ - dashRemaining = pDash[dashIndex]; \ - if ((thisDash = dashRemaining) >= len) \ - { \ - dashRemaining -= len; \ - thisDash = len; \ - } \ -} - -#ifdef PIXEL_ADDR - -#if PSZ == 24 -#define Loop(store) while (thisDash--) {\ - store; \ - BresStep(addrb+=signdy3,addrb+=signdx3) \ - } - /* point to first point */ - nlwidth <<= PWSH; - addrp = (PixelType *)(addrl) + (y1 * nlwidth); - addrb = (char *)addrp + x1 * 3; - -#else -#define Loop(store) while (thisDash--) {\ - store; \ - BresStep(addrp+=signdy,addrp+=signdx) \ - } - /* point to first point */ - nlwidth <<= PWSH; - addrp = (PixelType *)(addrl) + (y1 * nlwidth) + x1; -#endif - signdy *= nlwidth; -#if PSZ == 24 - signdx3 = signdx * 3; - signdy3 = signdy * sizeof (long); -#endif - if (axis == Y_AXIS) - { - int t; - - t = signdx; - signdx = signdy; - signdy = t; -#if PSZ == 24 - t = signdx3; - signdx3 = signdy3; - signdy3 = t; -#endif - } - - if (isCopy) - { -#if PSZ == 24 -#define body_copy(pix) { \ - addrp = (PixelType *)((unsigned long)addrb & ~0x03); \ - switch((unsigned long)addrb & 3){ \ - case 0: \ - *addrp = (*addrp & 0xFF000000)|((pix)[0] & 0xFFFFFF); \ - break; \ - case 1: \ - *addrp = (*addrp & 0xFF)|((pix)[2] & 0xFFFFFF00); \ - break; \ - case 3: \ - *addrp = (*addrp & 0xFFFFFF)|((pix)[0] & 0xFF000000); \ - *(addrp+1) = (*(addrp+1) & 0xFFFF0000)|((pix)[1] & 0xFFFF); \ - break; \ - case 2: \ - *addrp = (*addrp & 0xFFFF)|((pix)[1] & 0xFFFF0000); \ - *(addrp+1) = (*(addrp+1) & 0xFFFFFF00)|((pix)[2] & 0xFF); \ - break; \ - } \ -} -#endif /* PSZ == 24 */ - - for (;;) - { - len -= thisDash; - if (dashIndex & 1) { - if (isDoubleDash) { -#if PSZ == 24 - Loop(body_copy(xorPiQxlBg)) -#else - Loop(*addrp = xorBg) -#endif - } else { - Loop(;) - } - } else { -#if PSZ == 24 - Loop(body_copy(xorPiQxlFg)) -#else - Loop(*addrp = xorFg) -#endif - } - if (!len) - break; - NextDash - } -#undef body_copy - } - else - { -#define body_set(and, xor) { \ - addrp = (PixelType *)((unsigned long)addrb & ~0x03); \ - switch((unsigned long)addrb & 3){ \ - case 0: \ - *addrp = (*addrp & ((and)[0]|0xFF000000)) ^ ((xor)[0] & 0xFFFFFF); \ - break; \ - case 1: \ - *addrp = (*addrp & ((and)[2]|0xFF)) ^ ((xor)[2] & 0xFFFFFF00); \ - break; \ - case 3: \ - *addrp = (*addrp & ((and)[0]|0xFFFFFF)) ^ ((xor)[0] & 0xFF000000); \ - *(addrp+1)=(*(addrp+1)&((and)[1]|0xFFFF0000)) ^ ((xor)[1]&0xFFFF); \ - break; \ - case 2: \ - *addrp = (*addrp & ((and)[1]|0xFFFF)) ^ ((xor)[1] & 0xFFFF0000); \ - *(addrp+1)=(*(addrp+1)&((and)[2]|0xFFFFFF00)) ^ ((xor)[2] & 0xFF); \ - break; \ - } \ -} - - for (;;) - { - len -= thisDash; - if (dashIndex & 1) { - if (isDoubleDash) { -#if PSZ == 24 - Loop(body_set(andPiQxlBg, xorPiQxlBg)) -#else - Loop(*addrp = DoRRop(*addrp,andBg, xorBg)) -#endif - } else { - Loop(;) - } - } else { -#if PSZ == 24 - Loop(body_set(andPiQxlFg, xorPiQxlFg)) -#else - Loop(*addrp = DoRRop(*addrp,andFg, xorFg)) -#endif - } - if (!len) - break; - NextDash - } -#undef body_set - } -#else /* !PIXEL_ADDR */ - { - register unsigned long tmp; - unsigned long startbit, bit; - - /* point to longword containing first point */ -#if PSZ == 24 - addrl = (addrl + (y1 * nlwidth) + ((x1*3) >> 2); -#else - addrl = (addrl + (y1 * nlwidth) + (x1 >> PWSH)); -#endif - signdy = signdy * nlwidth; - - if (signdx > 0) - startbit = cfbmask[0]; - else -#if PSZ == 24 - startbit = cfbmask[(PPW-1)<<1]; - bit = cfbmask[(x1 & 3)<<1]; -#else - startbit = cfbmask[PPW-1]; - bit = cfbmask[x1 & PIM]; -#endif - -#if PSZ == 24 -#define X_Loop(store) while(thisDash--) {\ - store; \ - BresStep(addrl += signdy, \ - if (signdx > 0) \ - bit = SCRRIGHT(bit,1); \ - else \ - bit = SCRLEFT(bit,1); \ - if (!bit) \ - { \ - bit = startbit; \ - addrl += signdx; \ - }) \ - } -#define Y_Loop(store) while(thisDash--) {\ - store; \ - BresStep(if (signdx > 0) \ - bit = SCRRIGHT(bit,1); \ - else \ - bit = SCRLEFT(bit,1); \ - if (!bit) \ - { \ - bit = startbit; \ - addrl += signdx; \ - }, \ - addrl += signdy) \ - } -#else -#define X_Loop(store) while(thisDash--) {\ - store; \ - BresStep(addrl += signdy, \ - if (signdx > 0) \ - bit = SCRRIGHT(bit,1); \ - else \ - bit = SCRLEFT(bit,1); \ - if (!bit) \ - { \ - bit = startbit; \ - addrl += signdx; \ - }) \ - } -#define Y_Loop(store) while(thisDash--) {\ - store; \ - BresStep(if (signdx > 0) \ - bit = SCRRIGHT(bit,1); \ - else \ - bit = SCRLEFT(bit,1); \ - if (!bit) \ - { \ - bit = startbit; \ - addrl += signdx; \ - }, \ - addrl += signdy) \ - } -#endif - - if (axis == X_AXIS) - { - for (;;) - { - len -= thisDash; - if (dashIndex & 1) { - if (isDoubleDash) { - X_Loop(*addrl = DoMaskRRop(*addrl, andBg, xorBg, bit)); - } else { - X_Loop(;) - } - } else { - X_Loop(*addrl = DoMaskRRop(*addrl, andFg, xorFg, bit)); - } - if (!len) - break; - NextDash - } - } /* if X_AXIS */ - else - { - for (;;) - { - len -= thisDash; - if (dashIndex & 1) { - if (isDoubleDash) { - Y_Loop(*addrl = DoMaskRRop(*addrl, andBg, xorBg, bit)); - } else { - Y_Loop(;) - } - } else { - Y_Loop(*addrl = DoMaskRRop(*addrl, andFg, xorFg, bit)); - } - if (!len) - break; - NextDash - } - } /* else Y_AXIS */ - } -#endif - *pdashIndex = dashIndex; - *pdashOffset = pDash[dashIndex] - dashRemaining; -}