192 lines
5.3 KiB
C
192 lines
5.3 KiB
C
/***********************************************************
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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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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OPEN GROUP 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 Open Group 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 Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <X11/X.h>
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#include <X11/Xprotostr.h>
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#include "regionstr.h"
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#include "gcstruct.h"
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#include "pixmap.h"
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#include "mi.h"
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_X_EXPORT void
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miPolyRectangle(pDraw, pGC, nrects, pRects)
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DrawablePtr pDraw;
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GCPtr pGC;
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int nrects;
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xRectangle *pRects;
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{
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int i;
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xRectangle *pR = pRects;
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DDXPointRec rect[5];
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int bound_tmp;
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#define MINBOUND(dst,eqn) bound_tmp = eqn; \
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if (bound_tmp < -32768) \
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bound_tmp = -32768; \
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dst = bound_tmp;
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#define MAXBOUND(dst,eqn) bound_tmp = eqn; \
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if (bound_tmp > 32767) \
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bound_tmp = 32767; \
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dst = bound_tmp;
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#define MAXUBOUND(dst,eqn) bound_tmp = eqn; \
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if (bound_tmp > 65535) \
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bound_tmp = 65535; \
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dst = bound_tmp;
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if (pGC->lineStyle == LineSolid && pGC->joinStyle == JoinMiter &&
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pGC->lineWidth != 0)
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{
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xRectangle *tmp, *t;
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int ntmp;
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int offset1, offset2, offset3;
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int x, y, width, height;
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ntmp = (nrects << 2);
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offset2 = pGC->lineWidth;
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offset1 = offset2 >> 1;
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offset3 = offset2 - offset1;
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tmp = (xRectangle *) ALLOCATE_LOCAL(ntmp * sizeof (xRectangle));
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if (!tmp)
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return;
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t = tmp;
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for (i = 0; i < nrects; i++)
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{
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x = pR->x;
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y = pR->y;
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width = pR->width;
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height = pR->height;
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pR++;
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if (width == 0 && height == 0)
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{
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rect[0].x = x;
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rect[0].y = y;
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rect[1].x = x;
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rect[1].y = y;
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(*pGC->ops->Polylines)(pDraw, pGC, CoordModeOrigin, 2, rect);
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}
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else if (height < offset2 || width < offset1)
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{
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if (height == 0)
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{
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t->x = x;
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t->width = width;
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}
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else
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{
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MINBOUND (t->x, x - offset1)
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MAXUBOUND (t->width, width + offset2)
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}
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if (width == 0)
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{
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t->y = y;
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t->height = height;
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}
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else
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{
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MINBOUND (t->y, y - offset1)
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MAXUBOUND (t->height, height + offset2)
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}
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t++;
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}
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else
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{
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MINBOUND(t->x, x - offset1)
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MINBOUND(t->y, y - offset1)
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MAXUBOUND(t->width, width + offset2)
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t->height = offset2;
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t++;
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MINBOUND(t->x, x - offset1)
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MAXBOUND(t->y, y + offset3);
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t->width = offset2;
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t->height = height - offset2;
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t++;
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MAXBOUND(t->x, x + width - offset1);
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MAXBOUND(t->y, y + offset3)
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t->width = offset2;
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t->height = height - offset2;
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t++;
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MINBOUND(t->x, x - offset1)
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MAXBOUND(t->y, y + height - offset1)
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MAXUBOUND(t->width, width + offset2)
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t->height = offset2;
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t++;
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}
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}
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(*pGC->ops->PolyFillRect) (pDraw, pGC, t - tmp, tmp);
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DEALLOCATE_LOCAL ((pointer) tmp);
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}
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else
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{
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for (i=0; i<nrects; i++)
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{
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rect[0].x = pR->x;
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rect[0].y = pR->y;
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MAXBOUND(rect[1].x, pR->x + (int) pR->width)
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rect[1].y = rect[0].y;
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rect[2].x = rect[1].x;
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MAXBOUND(rect[2].y, pR->y + (int) pR->height);
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rect[3].x = rect[0].x;
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rect[3].y = rect[2].y;
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rect[4].x = rect[0].x;
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rect[4].y = rect[0].y;
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(*pGC->ops->Polylines)(pDraw, pGC, CoordModeOrigin, 5, rect);
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pR++;
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}
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}
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}
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