aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/fb/fbfillsp.c
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/fb/fbfillsp.c')
-rw-r--r--xorg-server/fb/fbfillsp.c187
1 files changed, 87 insertions, 100 deletions
diff --git a/xorg-server/fb/fbfillsp.c b/xorg-server/fb/fbfillsp.c
index 16c33943f..4debe1ebd 100644
--- a/xorg-server/fb/fbfillsp.c
+++ b/xorg-server/fb/fbfillsp.c
@@ -1,100 +1,87 @@
-/*
- * Copyright © 1998 Keith Packard
- *
- * 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, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD 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 "fb.h"
-
-void
-fbFillSpans (DrawablePtr pDrawable,
- GCPtr pGC,
- int n,
- DDXPointPtr ppt,
- int *pwidth,
- int fSorted)
-{
- RegionPtr pClip = fbGetCompositeClip(pGC);
- BoxPtr pextent, pbox;
- int nbox;
- int extentX1, extentX2, extentY1, extentY2;
- int fullX1, fullX2, fullY1;
- int partX1, partX2;
-
- pextent = RegionExtents(pClip);
- extentX1 = pextent->x1;
- extentY1 = pextent->y1;
- extentX2 = pextent->x2;
- extentY2 = pextent->y2;
- while (n--)
- {
- fullX1 = ppt->x;
- fullY1 = ppt->y;
- fullX2 = fullX1 + (int) *pwidth;
- ppt++;
- pwidth++;
-
- if (fullY1 < extentY1 || extentY2 <= fullY1)
- continue;
-
- if (fullX1 < extentX1)
- fullX1 = extentX1;
-
- if (fullX2 > extentX2)
- fullX2 = extentX2;
-
- if (fullX1 >= fullX2)
- continue;
-
- nbox = RegionNumRects (pClip);
- if (nbox == 1)
- {
- fbFill (pDrawable,
- pGC,
- fullX1, fullY1, fullX2-fullX1, 1);
- }
- else
- {
- pbox = RegionRects(pClip);
- while(nbox--)
- {
- if (pbox->y1 <= fullY1 && fullY1 < pbox->y2)
- {
- partX1 = pbox->x1;
- if (partX1 < fullX1)
- partX1 = fullX1;
- partX2 = pbox->x2;
- if (partX2 > fullX2)
- partX2 = fullX2;
- if (partX2 > partX1)
- {
- fbFill (pDrawable, pGC,
- partX1, fullY1,
- partX2 - partX1, 1);
- }
- }
- pbox++;
- }
- }
- }
-}
+/*
+ * Copyright © 1998 Keith Packard
+ *
+ * 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, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD 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 "fb.h"
+
+void
+fbFillSpans(DrawablePtr pDrawable,
+ GCPtr pGC, int n, DDXPointPtr ppt, int *pwidth, int fSorted)
+{
+ RegionPtr pClip = fbGetCompositeClip(pGC);
+ BoxPtr pextent, pbox;
+ int nbox;
+ int extentX1, extentX2, extentY1, extentY2;
+ int fullX1, fullX2, fullY1;
+ int partX1, partX2;
+
+ pextent = RegionExtents(pClip);
+ extentX1 = pextent->x1;
+ extentY1 = pextent->y1;
+ extentX2 = pextent->x2;
+ extentY2 = pextent->y2;
+ while (n--) {
+ fullX1 = ppt->x;
+ fullY1 = ppt->y;
+ fullX2 = fullX1 + (int) *pwidth;
+ ppt++;
+ pwidth++;
+
+ if (fullY1 < extentY1 || extentY2 <= fullY1)
+ continue;
+
+ if (fullX1 < extentX1)
+ fullX1 = extentX1;
+
+ if (fullX2 > extentX2)
+ fullX2 = extentX2;
+
+ if (fullX1 >= fullX2)
+ continue;
+
+ nbox = RegionNumRects(pClip);
+ if (nbox == 1) {
+ fbFill(pDrawable, pGC, fullX1, fullY1, fullX2 - fullX1, 1);
+ }
+ else {
+ pbox = RegionRects(pClip);
+ while (nbox--) {
+ if (pbox->y1 <= fullY1 && fullY1 < pbox->y2) {
+ partX1 = pbox->x1;
+ if (partX1 < fullX1)
+ partX1 = fullX1;
+ partX2 = pbox->x2;
+ if (partX2 > fullX2)
+ partX2 = fullX2;
+ if (partX2 > partX1) {
+ fbFill(pDrawable, pGC,
+ partX1, fullY1, partX2 - partX1, 1);
+ }
+ }
+ pbox++;
+ }
+ }
+ }
+}