301 lines
6.9 KiB
C
301 lines
6.9 KiB
C
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/************************************************************
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Copyright (c) 1989 X Consortium
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of the X Consortium shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from the X Consortium.
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********************************************************/
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/* GJA -- Took mfb code and modified it. */
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include "xf4bpp.h"
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#include "OScompiler.h"
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#include "mfbmap.h"
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#include "mfb.h"
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#include "maskbits.h"
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#include "mi.h"
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#include "mifillarc.h"
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#include "wm3.h"
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#include "xf86str.h" /* for pScrn->vtSema */
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extern ScrnInfoPtr *xf86Screens;
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static void
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v16FillEllipseSolid
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(
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DrawablePtr pDraw,
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xArc *arc
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)
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{
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int x, y, e;
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int yk, xk, ym, xm, dx, dy, xorg, yorg;
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register int slw;
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miFillArcRec info;
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int *addrlt, *addrlb;
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register int *addrl;
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register int n;
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int nlwidth;
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register int xpos;
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int startmask, endmask, nlmiddle;
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if (pDraw->type == DRAWABLE_WINDOW)
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{
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addrlt = (int *)
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(((PixmapPtr)(pDraw->pScreen->devPrivate))->devPrivate.ptr);
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nlwidth = (int)
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(((PixmapPtr)(pDraw->pScreen->devPrivate))->devKind) >> 2;
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}
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else
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{
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addrlt = (int *)(((PixmapPtr)pDraw)->devPrivate.ptr);
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nlwidth = (int)(((PixmapPtr)pDraw)->devKind) >> 2;
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}
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miFillArcSetup(arc, &info);
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MIFILLARCSETUP();
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xorg += pDraw->x;
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yorg += pDraw->y;
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addrlb = addrlt;
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addrlt += nlwidth * (yorg - y);
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addrlb += nlwidth * (yorg + y + dy);
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while (y)
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{
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addrlt += nlwidth;
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addrlb -= nlwidth;
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MIFILLARCSTEP(slw);
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if (!slw)
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continue;
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xpos = xorg - x;
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addrl = addrlt + (xpos >> PWSH);
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if (((xpos & PIM) + slw) < PPW)
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{
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maskpartialbits(xpos, slw, startmask);
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UPDRW(addrl,startmask);
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if (miFillArcLower(slw))
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{
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addrl = addrlb + (xpos >> PWSH);
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UPDRW(addrl,startmask);
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}
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continue;
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}
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maskbits(xpos, slw, startmask, endmask, nlmiddle);
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if (startmask)
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{
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UPDRW(addrl,startmask); addrl++;
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}
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n = nlmiddle;
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while (n--) {
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UPDRW(addrl,~0); addrl++;
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}
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if (endmask)
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{
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UPDRW(addrl,endmask);
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}
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if (!miFillArcLower(slw))
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continue;
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addrl = addrlb + (xpos >> PWSH);
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if (startmask)
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{
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UPDRW(addrl,startmask); addrl++;
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}
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n = nlmiddle;
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while (n--) {
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UPDRW(addrl,~0); addrl++;
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}
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if (endmask)
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{
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UPDRW(addrl,endmask);
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}
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}
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}
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#define FILLSPAN(xl,xr,addr) \
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if (xr >= xl) \
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{ \
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width = xr - xl + 1; \
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addrl = addr + (xl >> PWSH); \
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if (((xl & PIM) + width) < PPW) \
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{ \
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maskpartialbits(xl, width, startmask); \
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UPDRW(addrl,startmask); \
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} \
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else \
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{ \
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maskbits(xl, width, startmask, endmask, nlmiddle); \
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if (startmask) \
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{ \
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UPDRW(addrl,startmask); addrl++; \
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} \
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n = nlmiddle; \
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while (n--) { \
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UPDRW(addrl,~0); addrl++; \
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} \
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if (endmask) \
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{ \
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UPDRW(addrl,endmask); \
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} \
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} \
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}
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#define FILLSLICESPANS(flip,addr) \
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if (!flip) \
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{ \
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FILLSPAN(xl, xr, addr); \
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} \
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else \
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{ \
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xc = xorg - x; \
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FILLSPAN(xc, xr, addr); \
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xc += slw - 1; \
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FILLSPAN(xl, xc, addr); \
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}
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static void
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v16FillArcSliceSolidCopy
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(
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DrawablePtr pDraw,
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GCPtr pGC,
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xArc *arc
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)
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{
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register int *addrl;
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register int n;
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int yk, xk, ym, xm, dx, dy, xorg, yorg, slw;
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register int x, y, e;
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miFillArcRec info;
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miArcSliceRec slice;
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int xl, xr, xc;
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int *addrlt, *addrlb;
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int nlwidth;
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int width;
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int startmask, endmask, nlmiddle;
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if (pDraw->type == DRAWABLE_WINDOW)
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{
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addrlt = (int *)
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(((PixmapPtr)(pDraw->pScreen->devPrivate))->devPrivate.ptr);
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nlwidth = (int)
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(((PixmapPtr)(pDraw->pScreen->devPrivate))->devKind) >> 2;
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}
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else
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{
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addrlt = (int *)(((PixmapPtr)pDraw)->devPrivate.ptr);
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nlwidth = (int)(((PixmapPtr)pDraw)->devKind) >> 2;
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}
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miFillArcSetup(arc, &info);
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miFillArcSliceSetup(arc, &slice, pGC);
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MIFILLARCSETUP();
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xorg += pDraw->x;
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yorg += pDraw->y;
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addrlb = addrlt;
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addrlt += nlwidth * (yorg - y);
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addrlb += nlwidth * (yorg + y + dy);
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slice.edge1.x += pDraw->x;
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slice.edge2.x += pDraw->x;
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while (y > 0)
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{
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addrlt += nlwidth;
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addrlb -= nlwidth;
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MIFILLARCSTEP(slw);
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MIARCSLICESTEP(slice.edge1);
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MIARCSLICESTEP(slice.edge2);
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if (miFillSliceUpper(slice))
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{
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MIARCSLICEUPPER(xl, xr, slice, slw);
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FILLSLICESPANS(slice.flip_top, addrlt);
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}
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if (miFillSliceLower(slice))
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{
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MIARCSLICELOWER(xl, xr, slice, slw);
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FILLSLICESPANS(slice.flip_bot, addrlb);
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}
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}
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}
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static void
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xf4bppPolyFillArcSolid
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(
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register DrawablePtr pDraw,
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GCPtr pGC,
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int narcs,
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xArc *parcs
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)
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{
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register xArc *arc;
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register int i;
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BoxRec box;
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RegionPtr cclip;
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#if 0
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mfbPrivGC *priv;
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int rop;
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priv = (mfbPrivGC *) pGC->devPrivates[mfbGetGCPrivateIndex()].ptr;
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rop = priv->rop;
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if ((rop == RROP_NOP) || !(pGC->planemask & 1))
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#else
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if ( !(pGC->planemask & 0x0F))
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#endif
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return;
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cclip = pGC->pCompositeClip;
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for (arc = parcs, i = narcs; --i >= 0; arc++)
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{
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if (miFillArcEmpty(arc))
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continue;
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if (miCanFillArc(arc))
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{
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box.x1 = arc->x + pDraw->x;
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box.y1 = arc->y + pDraw->y;
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box.x2 = box.x1 + (int)arc->width + 1;
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box.y2 = box.y1 + (int)arc->height + 1;
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if (RECT_IN_REGION(pDraw->pScreen, cclip, &box) == rgnIN)
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{
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if ((arc->angle2 >= FULLCIRCLE) ||
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(arc->angle2 <= -FULLCIRCLE))
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DO_WM3(pGC,v16FillEllipseSolid(pDraw, arc))
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else
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DO_WM3(pGC,v16FillArcSliceSolidCopy(pDraw, pGC, arc))
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continue;
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}
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}
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miPolyFillArc(pDraw, pGC, 1, arc);
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}
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}
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void
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xf4bppPolyFillArc(pDraw, pGC, narcs, parcs)
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register DrawablePtr pDraw;
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GCPtr pGC;
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int narcs;
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xArc *parcs;
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{
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if ( !xf86Screens[pDraw->pScreen->myNum]->vtSema || (pGC->fillStyle != FillSolid) ) {
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miPolyFillArc(pDraw, pGC, narcs, parcs);
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} else {
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xf4bppPolyFillArcSolid(pDraw, pGC, narcs, parcs);
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}
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}
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