/* $XFree86: xc/programs/Xserver/iplan2p4/iplfillrct.c,v 3.0 1996/08/18 01:54:42 dawes Exp $ */ /* * Fill rectangles. */ /* 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. */ /* $XConsortium: iplfillrct.c,v 5.18 94/04/17 20:28:47 dpw Exp $ */ /* Modified nov 94 by Martin Schaller (Martin_Schaller@maus.r.de) for use with interleaved planes */ #include "X.h" #include "Xmd.h" #include "servermd.h" #include "gcstruct.h" #include "window.h" #include "pixmapstr.h" #include "scrnintstr.h" #include "windowstr.h" #include "ipl.h" #include "iplmskbits.h" #include "mergerop.h" void iplFillBoxTileOdd (pDrawable, n, rects, tile, xrot, yrot) DrawablePtr pDrawable; int n; BoxPtr rects; PixmapPtr tile; int xrot, yrot; { if (tile->drawable.width & INTER_PIM) iplFillBoxTileOddCopy (pDrawable, n, rects, tile, xrot, yrot, GXcopy, ~0L); else iplFillBoxTile32sCopy (pDrawable, n, rects, tile, xrot, yrot, GXcopy, ~0L); } void iplFillRectTileOdd (pDrawable, pGC, nBox, pBox) DrawablePtr pDrawable; GCPtr pGC; int nBox; BoxPtr pBox; { int xrot, yrot; void (*fill)(); xrot = pDrawable->x + pGC->patOrg.x; yrot = pDrawable->y + pGC->patOrg.y; if (pGC->tile.pixmap->drawable.width & INTER_PIM) { fill = iplFillBoxTileOddGeneral; if ((pGC->planemask & INTER_PMSK) == INTER_PMSK) { if (pGC->alu == GXcopy) fill = iplFillBoxTileOddCopy; } } else { fill = iplFillBoxTile32sGeneral; if ((pGC->planemask & INTER_PMSK) == INTER_PMSK) { if (pGC->alu == GXcopy) fill = iplFillBoxTile32sCopy; } } (*fill) (pDrawable, nBox, pBox, pGC->tile.pixmap, xrot, yrot, pGC->alu, pGC->planemask); } #define NUM_STACK_RECTS 1024 void iplPolyFillRect(pDrawable, pGC, nrectFill, prectInit) DrawablePtr pDrawable; register GCPtr pGC; int nrectFill; /* number of rectangles to fill */ xRectangle *prectInit; /* Pointer to first rectangle to fill */ { xRectangle *prect; RegionPtr prgnClip; register BoxPtr pbox; register BoxPtr pboxClipped; BoxPtr pboxClippedBase; BoxPtr pextent; BoxRec stackRects[NUM_STACK_RECTS]; iplPrivGC *priv; int numRects; void (*BoxFill)(); int n; int xorg, yorg; priv = iplGetGCPrivate(pGC); prgnClip = pGC->pCompositeClip; BoxFill = 0; switch (pGC->fillStyle) { case FillSolid: switch (priv->rop) { case GXcopy: BoxFill = iplFillRectSolidCopy; break; case GXxor: BoxFill = iplFillRectSolidXor; break; default: BoxFill = iplFillRectSolidGeneral; break; } break; case FillTiled: if (!pGC->pRotatedPixmap) BoxFill = iplFillRectTileOdd; else { if (pGC->alu == GXcopy && (pGC->planemask & INTER_PMSK) == INTER_PMSK) BoxFill = iplFillRectTile32Copy; else BoxFill = iplFillRectTile32General; } break; } prect = prectInit; xorg = pDrawable->x; yorg = pDrawable->y; if (xorg || yorg) { prect = prectInit; n = nrectFill; while(n--) { prect->x += xorg; prect->y += yorg; prect++; } } prect = prectInit; numRects = REGION_NUM_RECTS(prgnClip) * nrectFill; if (numRects > NUM_STACK_RECTS) { pboxClippedBase = (BoxPtr)ALLOCATE_LOCAL(numRects * sizeof(BoxRec)); if (!pboxClippedBase) return; } else pboxClippedBase = stackRects; pboxClipped = pboxClippedBase; if (REGION_NUM_RECTS(prgnClip) == 1) { int x1, y1, x2, y2, bx2, by2; pextent = REGION_RECTS(prgnClip); x1 = pextent->x1; y1 = pextent->y1; x2 = pextent->x2; y2 = pextent->y2; while (nrectFill--) { if ((pboxClipped->x1 = prect->x) < x1) pboxClipped->x1 = x1; if ((pboxClipped->y1 = prect->y) < y1) pboxClipped->y1 = y1; bx2 = (int) prect->x + (int) prect->width; if (bx2 > x2) bx2 = x2; pboxClipped->x2 = bx2; by2 = (int) prect->y + (int) prect->height; if (by2 > y2) by2 = y2; pboxClipped->y2 = by2; prect++; if ((pboxClipped->x1 < pboxClipped->x2) && (pboxClipped->y1 < pboxClipped->y2)) { pboxClipped++; } } } else { int x1, y1, x2, y2, bx2, by2; pextent = REGION_EXTENTS(pGC->pScreen, prgnClip); x1 = pextent->x1; y1 = pextent->y1; x2 = pextent->x2; y2 = pextent->y2; while (nrectFill--) { BoxRec box; if ((box.x1 = prect->x) < x1) box.x1 = x1; if ((box.y1 = prect->y) < y1) box.y1 = y1; bx2 = (int) prect->x + (int) prect->width; if (bx2 > x2) bx2 = x2; box.x2 = bx2; by2 = (int) prect->y + (int) prect->height; if (by2 > y2) by2 = y2; box.y2 = by2; prect++; if ((box.x1 >= box.x2) || (box.y1 >= box.y2)) continue; n = REGION_NUM_RECTS (prgnClip); pbox = REGION_RECTS(prgnClip); /* clip the rectangle to each box in the clip region this is logically equivalent to calling Intersect() */ while(n--) { pboxClipped->x1 = max(box.x1, pbox->x1); pboxClipped->y1 = max(box.y1, pbox->y1); pboxClipped->x2 = min(box.x2, pbox->x2); pboxClipped->y2 = min(box.y2, pbox->y2); pbox++; /* see if clipping left anything */ if(pboxClipped->x1 < pboxClipped->x2 && pboxClipped->y1 < pboxClipped->y2) { pboxClipped++; } } } } if (pboxClipped != pboxClippedBase) (*BoxFill) (pDrawable, pGC, pboxClipped-pboxClippedBase, pboxClippedBase); if (pboxClippedBase != stackRects) DEALLOCATE_LOCAL(pboxClippedBase); }