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Diffstat (limited to 'xorg-server/fb/fbline.c')
-rw-r--r--xorg-server/fb/fbline.c342
1 files changed, 167 insertions, 175 deletions
diff --git a/xorg-server/fb/fbline.c b/xorg-server/fb/fbline.c
index 66e6d3690..e290bf886 100644
--- a/xorg-server/fb/fbline.c
+++ b/xorg-server/fb/fbline.c
@@ -1,175 +1,167 @@
-/*
- * 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
-fbZeroLine (DrawablePtr pDrawable,
- GCPtr pGC,
- int mode,
- int npt,
- DDXPointPtr ppt)
-{
- int x1, y1, x2, y2;
- int x, y;
- int dashOffset;
-
- x = pDrawable->x;
- y = pDrawable->y;
- x1 = ppt->x;
- y1 = ppt->y;
- dashOffset = pGC->dashOffset;
- while (--npt)
- {
- ++ppt;
- x2 = ppt->x;
- y2 = ppt->y;
- if (mode == CoordModePrevious)
- {
- x2 += x1;
- y2 += y1;
- }
- fbSegment (pDrawable, pGC, x1 + x, y1 + y,
- x2 + x, y2 + y,
- npt == 1 && pGC->capStyle != CapNotLast,
- &dashOffset);
- x1 = x2;
- y1 = y2;
- }
-}
-
-void
-fbZeroSegment (DrawablePtr pDrawable,
- GCPtr pGC,
- int nseg,
- xSegment *pSegs)
-{
- int dashOffset;
- int x, y;
- Bool drawLast = pGC->capStyle != CapNotLast;
-
- x = pDrawable->x;
- y = pDrawable->y;
- while (nseg--)
- {
- dashOffset = pGC->dashOffset;
- fbSegment (pDrawable, pGC,
- pSegs->x1 + x, pSegs->y1 + y,
- pSegs->x2 + x, pSegs->y2 + y,
- drawLast,
- &dashOffset);
- pSegs++;
- }
-}
-
-void
-fbFixCoordModePrevious (int npt,
- DDXPointPtr ppt)
-{
- int x, y;
-
- x = ppt->x;
- y = ppt->y;
- npt--;
- while (npt--)
- {
- ppt++;
- x = (ppt->x += x);
- y = (ppt->y += y);
- }
-}
-
-void
-fbPolyLine (DrawablePtr pDrawable,
- GCPtr pGC,
- int mode,
- int npt,
- DDXPointPtr ppt)
-{
- void (*line) (DrawablePtr, GCPtr, int mode, int npt, DDXPointPtr ppt);
-
- if (pGC->lineWidth == 0)
- {
- line = fbZeroLine;
-#ifndef FBNOPIXADDR
- if (pGC->fillStyle == FillSolid &&
- pGC->lineStyle == LineSolid &&
- RegionNumRects (fbGetCompositeClip(pGC)) == 1)
- {
- switch (pDrawable->bitsPerPixel) {
- case 8: line = fbPolyline8; break;
- case 16: line = fbPolyline16; break;
-#ifdef FB_24BIT
- case 24: line = fbPolyline24; break;
-#endif
- case 32: line = fbPolyline32; break;
- }
- }
-#endif
- }
- else
- {
- if (pGC->lineStyle != LineSolid)
- line = miWideDash;
- else
- line = miWideLine;
- }
- (*line) (pDrawable, pGC, mode, npt, ppt);
-}
-
-void
-fbPolySegment (DrawablePtr pDrawable,
- GCPtr pGC,
- int nseg,
- xSegment *pseg)
-{
- void (*seg) (DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment *pseg);
-
- if (pGC->lineWidth == 0)
- {
- seg = fbZeroSegment;
-#ifndef FBNOPIXADDR
- if (pGC->fillStyle == FillSolid &&
- pGC->lineStyle == LineSolid &&
- RegionNumRects (fbGetCompositeClip(pGC)) == 1)
- {
- switch (pDrawable->bitsPerPixel) {
- case 8: seg = fbPolySegment8; break;
- case 16: seg = fbPolySegment16; break;
-#ifdef FB_24BIT
- case 24: seg = fbPolySegment24; break;
-#endif
- case 32: seg = fbPolySegment32; break;
- }
- }
-#endif
- }
- else
- {
- seg = miPolySegment;
- }
- (*seg) (pDrawable, pGC, nseg, pseg);
-}
+/*
+ * 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
+fbZeroLine (DrawablePtr pDrawable,
+ GCPtr pGC,
+ int mode,
+ int npt,
+ DDXPointPtr ppt)
+{
+ int x1, y1, x2, y2;
+ int x, y;
+ int dashOffset;
+
+ x = pDrawable->x;
+ y = pDrawable->y;
+ x1 = ppt->x;
+ y1 = ppt->y;
+ dashOffset = pGC->dashOffset;
+ while (--npt)
+ {
+ ++ppt;
+ x2 = ppt->x;
+ y2 = ppt->y;
+ if (mode == CoordModePrevious)
+ {
+ x2 += x1;
+ y2 += y1;
+ }
+ fbSegment (pDrawable, pGC, x1 + x, y1 + y,
+ x2 + x, y2 + y,
+ npt == 1 && pGC->capStyle != CapNotLast,
+ &dashOffset);
+ x1 = x2;
+ y1 = y2;
+ }
+}
+
+void
+fbZeroSegment (DrawablePtr pDrawable,
+ GCPtr pGC,
+ int nseg,
+ xSegment *pSegs)
+{
+ int dashOffset;
+ int x, y;
+ Bool drawLast = pGC->capStyle != CapNotLast;
+
+ x = pDrawable->x;
+ y = pDrawable->y;
+ while (nseg--)
+ {
+ dashOffset = pGC->dashOffset;
+ fbSegment (pDrawable, pGC,
+ pSegs->x1 + x, pSegs->y1 + y,
+ pSegs->x2 + x, pSegs->y2 + y,
+ drawLast,
+ &dashOffset);
+ pSegs++;
+ }
+}
+
+void
+fbFixCoordModePrevious (int npt,
+ DDXPointPtr ppt)
+{
+ int x, y;
+
+ x = ppt->x;
+ y = ppt->y;
+ npt--;
+ while (npt--)
+ {
+ ppt++;
+ x = (ppt->x += x);
+ y = (ppt->y += y);
+ }
+}
+
+void
+fbPolyLine (DrawablePtr pDrawable,
+ GCPtr pGC,
+ int mode,
+ int npt,
+ DDXPointPtr ppt)
+{
+ void (*line) (DrawablePtr, GCPtr, int mode, int npt, DDXPointPtr ppt);
+
+ if (pGC->lineWidth == 0)
+ {
+ line = fbZeroLine;
+ if (pGC->fillStyle == FillSolid &&
+ pGC->lineStyle == LineSolid &&
+ RegionNumRects (fbGetCompositeClip(pGC)) == 1)
+ {
+ switch (pDrawable->bitsPerPixel) {
+ case 8: line = fbPolyline8; break;
+ case 16: line = fbPolyline16; break;
+ case 24: line = fbPolyline24; break;
+ case 32: line = fbPolyline32; break;
+ }
+ }
+ }
+ else
+ {
+ if (pGC->lineStyle != LineSolid)
+ line = miWideDash;
+ else
+ line = miWideLine;
+ }
+ (*line) (pDrawable, pGC, mode, npt, ppt);
+}
+
+void
+fbPolySegment (DrawablePtr pDrawable,
+ GCPtr pGC,
+ int nseg,
+ xSegment *pseg)
+{
+ void (*seg) (DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment *pseg);
+
+ if (pGC->lineWidth == 0)
+ {
+ seg = fbZeroSegment;
+ if (pGC->fillStyle == FillSolid &&
+ pGC->lineStyle == LineSolid &&
+ RegionNumRects (fbGetCompositeClip(pGC)) == 1)
+ {
+ switch (pDrawable->bitsPerPixel) {
+ case 8: seg = fbPolySegment8; break;
+ case 16: seg = fbPolySegment16; break;
+ case 24: seg = fbPolySegment24; break;
+ case 32: seg = fbPolySegment32; break;
+ }
+ }
+ }
+ else
+ {
+ seg = miPolySegment;
+ }
+ (*seg) (pDrawable, pGC, nseg, pseg);
+}
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