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Diffstat (limited to 'xorg-server/mi/mipolyrect.c')
-rw-r--r--xorg-server/mi/mipolyrect.c362
1 files changed, 175 insertions, 187 deletions
diff --git a/xorg-server/mi/mipolyrect.c b/xorg-server/mi/mipolyrect.c
index 8b8810793..a0e88d2f2 100644
--- a/xorg-server/mi/mipolyrect.c
+++ b/xorg-server/mi/mipolyrect.c
@@ -1,187 +1,175 @@
-/***********************************************************
-
-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.
-
-******************************************************************/
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xprotostr.h>
-#include "regionstr.h"
-#include "gcstruct.h"
-#include "pixmap.h"
-#include "mi.h"
-
-void
-miPolyRectangle(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 = malloc(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);
- free((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++;
- }
- }
-}
+/***********************************************************
+
+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.
+
+******************************************************************/
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xprotostr.h>
+#include "regionstr.h"
+#include "gcstruct.h"
+#include "pixmap.h"
+#include "mi.h"
+
+void
+miPolyRectangle(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 = malloc(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);
+ free((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++;
+ }
+ }
+}
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