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Diffstat (limited to 'hw/xfree86/xf4bpp/mfbzerarc.c')
-rw-r--r--hw/xfree86/xf4bpp/mfbzerarc.c266
1 files changed, 0 insertions, 266 deletions
diff --git a/hw/xfree86/xf4bpp/mfbzerarc.c b/hw/xfree86/xf4bpp/mfbzerarc.c
deleted file mode 100644
index 7ca32d903..000000000
--- a/hw/xfree86/xf4bpp/mfbzerarc.c
+++ /dev/null
@@ -1,266 +0,0 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/xf4bpp/mfbzerarc.c,v 1.5 2003/02/18 21:29:59 tsi Exp $ */
-
-/************************************************************
-
-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. */
-
-/* $XConsortium: mfbzerarc.c /main/4 1996/02/21 17:56:52 kaleb $ */
-
-/* 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
- */
-
-#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 *)(pGC->devPrivates[mfbGCPrivateIndex].ptr))->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));
- }
-}
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