diff options
Diffstat (limited to 'hw/xfree86/xf4bpp/mfbzerarc.c')
-rw-r--r-- | hw/xfree86/xf4bpp/mfbzerarc.c | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/hw/xfree86/xf4bpp/mfbzerarc.c b/hw/xfree86/xf4bpp/mfbzerarc.c deleted file mode 100644 index 61fc7b184..000000000 --- a/hw/xfree86/xf4bpp/mfbzerarc.c +++ /dev/null @@ -1,267 +0,0 @@ -/************************************************************ - -Copyright (c) 1989 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. - -********************************************************/ -/* GJA -- Took mfb code and modified it. */ - -/* Derived from: - * "Algorithm for drawing ellipses or hyperbolae with a digital plotter" - * by M. L. V. Pitteway - * The Computer Journal, November 1967, Volume 10, Number 3, pp. 282-289 - */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include "xf4bpp.h" -#include "OScompiler.h" -#include "mfbmap.h" -#include "mfb.h" -#include "maskbits.h" -#include "mi.h" -#include "mizerarc.h" -#include "wm3.h" - -#include "xf86str.h" /* for pScrn->vtSema */ -extern ScrnInfoPtr *xf86Screens; - -/* - * Note, LEFTMOST must be the bit leftmost in the actual screen - * representation. This depends on both BITMAP_BIT_ORDER and - * IMAGE_BYTE_ORDER - * DHD 10/92 - */ - -#if (BITMAP_BIT_ORDER == MSBFirst) -#if (IMAGE_BYTE_ORDER == MSBFirst) -#define LEFTMOST ((unsigned int) 0x80000000) -#else -#define LEFTMOST ((unsigned int) 0x80) -#endif -#else -#if (IMAGE_BYTE_ORDER == LSBFirst) -#define LEFTMOST ((unsigned int) 1) -#else -#define LEFTMOST ((unsigned int) 0x1000000) -#endif -#endif - -#define PixelateWhite(addr,off) \ -{ \ - register int *tmpaddr = &((addr)[(off)>>PWSH]); \ - UPDRW(tmpaddr,SCRRIGHT (LEFTMOST, ((off) & PIM))); \ -} -#define PixelateBlack(addr,off) \ -{ \ - register int *tmpaddr = &((addr)[(off)>>PWSH]); \ - UPDRW(tmpaddr,~(SCRRIGHT (LEFTMOST, ((off) & PIM)))); \ -} - -#define Pixelate(base,off) \ -{ \ - paddr = base + ((off)>>PWSH); \ - pmask = SCRRIGHT(LEFTMOST, (off) & PIM); \ - UPDRW(paddr,(pixel & pmask)); \ -} - -#define DoPix(bit,base,off) if (msk & bit) Pixelate(base,off); - -static void -v16ZeroArcSS -( - DrawablePtr pDraw, - GCPtr pGC, - xArc *arc -) -{ - miZeroArcRec info; - Bool do360; - register int x, y, a, b, d, msk; - register int k1, k3, dx, dy; - int *addrl; - int *yorgl, *yorgol; - unsigned long pixel; - int nlwidth, yoffset, dyoffset; - int pmask; - register int *paddr; - - if (((mfbPrivGC *)dixLookupPrivate(&pGC->devPrivates, - mfbGetGCPrivateKey()))->rop == - RROP_BLACK) - pixel = 0; - else - pixel = ~0UL; - - if (pDraw->type == DRAWABLE_WINDOW) - { - addrl = (int *) - (((PixmapPtr)(pDraw->pScreen->devPrivate))->devPrivate.ptr); - nlwidth = (int) - (((PixmapPtr)(pDraw->pScreen->devPrivate))->devKind) >> 2; - } - else - { - addrl = (int *)(((PixmapPtr)pDraw)->devPrivate.ptr); - nlwidth = (int)(((PixmapPtr)pDraw)->devKind) >> 2; - } - - do360 = miZeroArcSetup(arc, &info, TRUE); - yorgl = addrl + ((info.yorg + pDraw->y) * nlwidth); - yorgol = addrl + ((info.yorgo + pDraw->y) * nlwidth); - info.xorg += pDraw->x; - info.xorgo += pDraw->x; - MIARCSETUP(); - yoffset = y ? nlwidth : 0; - dyoffset = 0; - msk = info.initialMask; - if (!(arc->width & 1)) - { - DoPix(2, yorgl, info.xorgo); - DoPix(8, yorgol, info.xorgo); - } - if (!info.end.x || !info.end.y) - { - msk = info.end.mask; - info.end = info.altend; - } - if (do360 && (arc->width == arc->height) && !(arc->width & 1)) - { - int xoffset = nlwidth; - int *yorghl = yorgl + (info.h * nlwidth); - int xorghp = info.xorg + info.h; - int xorghn = info.xorg - info.h; - - while (1) - { - PixelateWhite(yorgl + yoffset, info.xorg + x); - PixelateWhite(yorgl + yoffset, info.xorg - x); - PixelateWhite(yorgol- yoffset, info.xorg - x); - PixelateWhite(yorgol - yoffset, info.xorg + x); - if (a < 0) - break; - PixelateWhite(yorghl - xoffset, xorghp - y); - PixelateWhite(yorghl - xoffset, xorghn + y); - PixelateWhite(yorghl + xoffset, xorghn + y); - PixelateWhite(yorghl + xoffset, xorghp - y); - xoffset += nlwidth; - MIARCCIRCLESTEP(yoffset += nlwidth;); - } - x = info.w; - yoffset = info.h * nlwidth; - } - else if (do360) - { - while (y < info.h || x < info.w) - { - MIARCOCTANTSHIFT(dyoffset = nlwidth;); - Pixelate(yorgl + yoffset, info.xorg + x); - Pixelate(yorgl + yoffset, info.xorgo - x); - Pixelate(yorgol - yoffset, info.xorgo - x); - Pixelate(yorgol - yoffset, info.xorg + x); - MIARCSTEP(yoffset += dyoffset;, yoffset += nlwidth;); - } - } - else - { - while (y < info.h || x < info.w) - { - MIARCOCTANTSHIFT(dyoffset = nlwidth;); - if ((x == info.start.x) || (y == info.start.y)) - { - msk = info.start.mask; - info.start = info.altstart; - } - DoPix(1, yorgl + yoffset, info.xorg + x); - DoPix(2, yorgl + yoffset, info.xorgo - x); - DoPix(4, yorgol - yoffset, info.xorgo - x); - DoPix(8, yorgol - yoffset, info.xorg + x); - if ((x == info.end.x) || (y == info.end.y)) - { - msk = info.end.mask; - info.end = info.altend; - } - MIARCSTEP(yoffset += dyoffset;, yoffset += nlwidth;); - } - } - if ((x == info.start.x) || (y == info.start.y)) - msk = info.start.mask; - DoPix(1, yorgl + yoffset, info.xorg + x); - DoPix(4, yorgol - yoffset, info.xorgo - x); - if (arc->height & 1) - { - DoPix(2, yorgl + yoffset, info.xorgo - x); - DoPix(8, yorgol - yoffset, info.xorg + x); - } -} - -static void -xf4bppZeroPolyArcSS -( - DrawablePtr pDraw, - GCPtr pGC, - int narcs, - xArc *parcs -) -{ - register xArc *arc; - register int i; - BoxRec box; - RegionPtr cclip; - - if (!pGC->planemask & 0x0F) - return; - cclip = pGC->pCompositeClip; - for (arc = parcs, i = narcs; --i >= 0; arc++) - { - if (miCanZeroArc(arc)) - { - box.x1 = arc->x + pDraw->x; - box.y1 = arc->y + pDraw->y; - box.x2 = box.x1 + (int)arc->width + 1; - box.y2 = box.y1 + (int)arc->height + 1; - if (RECT_IN_REGION(pDraw->pScreen, cclip, &box) == rgnIN) - v16ZeroArcSS(pDraw, pGC, arc); - else - miZeroPolyArc(pDraw, pGC, 1, arc); - } - else - miPolyArc(pDraw, pGC, 1, arc); - } -} - -void -xf4bppZeroPolyArc(pDraw, pGC, narcs, parcs) - DrawablePtr pDraw; - GCPtr pGC; - int narcs; - xArc *parcs; -{ - if ( !xf86Screens[pDraw->pScreen->myNum]->vtSema ) { - miZeroPolyArc(pDraw, pGC, narcs, parcs); - } else { - DO_WM3(pGC,xf4bppZeroPolyArcSS(pDraw, pGC, narcs, parcs)); - } -} |