R6.6 is the Xorg base-line

1 files changed, 187 insertions, 0 deletions

diff --git a/mi/mipolyrect.c b/mi/mipolyrect.c
new file mode 100644
index 000000000..935203d9a
--- /dev/null
+++ b/mi/mipolyrect.c
@@ -0,0 +1,187 @@
+/***********************************************************
+
+Copyright 1987, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+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
+OPEN GROUP 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 Open Group 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 Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its 
+documentation for any purpose and without fee is hereby granted, 
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in 
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.  
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+/* $Xorg: mipolyrect.c,v 1.4 2001/02/09 02:05:21 xorgcvs Exp $ */
+#include "X.h"
+#include "Xprotostr.h"
+#include "miscstruct.h"
+#include "gcstruct.h"
+#include "pixmap.h"
+
+void
+miPolyRectangle(pDraw, pGC, nrects, pRects)
+    DrawablePtr	pDraw;
+    GCPtr	pGC;
+    int		nrects;
+    xRectangle	*pRects;
+{
+    int i;
+    xRectangle *pR = pRects;
+    DDXPointRec rect[5];
+    int	    bound_tmp;
+
+#define MINBOUND(dst,eqn)	bound_tmp = eqn; \
+				if (bound_tmp < -32768) \
+				    bound_tmp = -32768; \
+				dst = bound_tmp;
+
+#define MAXBOUND(dst,eqn)	bound_tmp = eqn; \
+				if (bound_tmp > 32767) \
+				    bound_tmp = 32767; \
+				dst = bound_tmp;
+
+#define MAXUBOUND(dst,eqn)	bound_tmp = eqn; \
+				if (bound_tmp > 65535) \
+				    bound_tmp = 65535; \
+				dst = bound_tmp;
+
+    if (pGC->lineStyle == LineSolid && pGC->joinStyle == JoinMiter &&
+	pGC->lineWidth != 0)
+    {
+	xRectangle  *tmp, *t;
+	int	    ntmp;
+	int	    offset1, offset2, offset3;
+	int	    x, y, width, height;
+
+	ntmp = (nrects << 2);
+	offset2 = pGC->lineWidth;
+	offset1 = offset2 >> 1;
+	offset3 = offset2 - offset1;
+	tmp = (xRectangle *) ALLOCATE_LOCAL(ntmp * sizeof (xRectangle));
+	if (!tmp)
+	    return;
+	t = tmp;
+	for (i = 0; i < nrects; i++)
+	{
+	    x = pR->x;
+	    y = pR->y;
+	    width = pR->width;
+	    height = pR->height;
+	    pR++;
+	    if (width == 0 && height == 0)
+	    {
+		rect[0].x = x;
+		rect[0].y = y;
+		rect[1].x = x;
+		rect[1].y = y;
+		(*pGC->ops->Polylines)(pDraw, pGC, CoordModeOrigin, 2, rect);
+	    }
+	    else if (height < offset2 || width < offset1)
+	    {
+		if (height == 0)
+		{
+		    t->x = x;
+		    t->width = width;
+		}
+		else
+		{
+		    MINBOUND (t->x, x - offset1)
+		    MAXUBOUND (t->width, width + offset2)
+		}
+		if (width == 0)
+		{
+		    t->y = y;
+		    t->height = height;
+		}
+		else
+		{
+		    MINBOUND (t->y, y - offset1)
+		    MAXUBOUND (t->height, height + offset2)
+		}
+		t++;
+	    }
+	    else
+	    {
+		MINBOUND(t->x, x - offset1)
+		MINBOUND(t->y, y - offset1)
+		MAXUBOUND(t->width, width + offset2)
+	    	t->height = offset2;
+	    	t++;
+	    	MINBOUND(t->x, x - offset1)
+	    	MAXBOUND(t->y, y + offset3);
+	    	t->width = offset2;
+	    	t->height = height - offset2;
+	    	t++;
+	    	MAXBOUND(t->x, x + width - offset1);
+	    	MAXBOUND(t->y, y + offset3)
+	    	t->width = offset2;
+	    	t->height = height - offset2;
+	    	t++;
+	    	MINBOUND(t->x, x - offset1)
+	    	MAXBOUND(t->y, y + height - offset1)
+	    	MAXUBOUND(t->width, width + offset2)
+	    	t->height = offset2;
+	    	t++;
+	    }
+	}
+	(*pGC->ops->PolyFillRect) (pDraw, pGC, t - tmp, tmp);
+	DEALLOCATE_LOCAL ((pointer) tmp);
+    }
+    else
+    {
+
+    	for (i=0; i<nrects; i++)
+    	{
+	    rect[0].x = pR->x;
+	    rect[0].y = pR->y;
+    
+	    MAXBOUND(rect[1].x, pR->x + (int) pR->width)
+	    rect[1].y = rect[0].y;
+    
+	    rect[2].x = rect[1].x;
+	    MAXBOUND(rect[2].y, pR->y + (int) pR->height);
+    
+	    rect[3].x = rect[0].x;
+	    rect[3].y = rect[2].y;
+    
+	    rect[4].x = rect[0].x;
+	    rect[4].y = rect[0].y;
+    
+            (*pGC->ops->Polylines)(pDraw, pGC, CoordModeOrigin, 5, rect);
+	    pR++;
+    	}
+    }
+}