diff options
Diffstat (limited to 'xorg-server/fb/fbline.c')
-rw-r--r-- | xorg-server/fb/fbline.c | 334 |
1 files changed, 167 insertions, 167 deletions
diff --git a/xorg-server/fb/fbline.c b/xorg-server/fb/fbline.c index 33a25f7f5..e290bf886 100644 --- a/xorg-server/fb/fbline.c +++ b/xorg-server/fb/fbline.c @@ -1,167 +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;
- 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);
-}
+/* + * 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); +} |