diff options
Diffstat (limited to 'nx-X11/programs/Xserver/fb/fbsetsp.c')
| -rw-r--r-- | nx-X11/programs/Xserver/fb/fbsetsp.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/fb/fbsetsp.c b/nx-X11/programs/Xserver/fb/fbsetsp.c new file mode 100644 index 000000000..eefc2da82 --- /dev/null +++ b/nx-X11/programs/Xserver/fb/fbsetsp.c @@ -0,0 +1,104 @@ +/* + * Id: fbsetsp.c,v 1.1 1999/11/02 03:54:45 keithp Exp $ + * + * 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. + */ +/* $XFree86: xc/programs/Xserver/fb/fbsetsp.c,v 1.4 2000/05/06 21:09:34 keithp Exp $ */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "fb.h" + +void +fbSetSpans (DrawablePtr pDrawable, + GCPtr pGC, + char *src, + DDXPointPtr ppt, + int *pwidth, + int nspans, + int fSorted) +{ + FbGCPrivPtr pPriv = fbGetGCPrivate (pGC); + RegionPtr pClip = fbGetCompositeClip(pGC); + FbBits *dst, *d, *s; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + BoxPtr pbox; + int n; + int xoff; + int x1, x2; + +#ifdef FB_24_32BIT + if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth)) + { + fb24_32SetSpans (pDrawable, pGC, src, ppt, pwidth, nspans, fSorted); + return; + } +#endif + fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + while (nspans--) + { + d = dst + (ppt->y + dstYoff) * dstStride; + xoff = (int) (((long) src) & (FB_MASK >> 3)); + s = (FbBits *) (src - xoff); + xoff <<= 3; + n = REGION_NUM_RECTS(pClip); + pbox = REGION_RECTS (pClip); + while (n--) + { + if (pbox->y1 > ppt->y) + break; + if (pbox->y2 > ppt->y) + { + x1 = ppt->x; + x2 = x1 + *pwidth; + if (pbox->x1 > x1) + x1 = pbox->x1; + if (pbox->x2 < x2) + x2 = pbox->x2; + if (x1 < x2) + fbBlt ((FbBits *) s, + 0, + (x1 - ppt->x) * dstBpp + xoff, + d, + dstStride, + (x1 + dstXoff) * dstBpp, + + (x2 - x1) * dstBpp, + 1, + pGC->alu, + pPriv->pm, + dstBpp, + + FALSE, + FALSE); + } + } + src += PixmapBytePad (*pwidth, pDrawable->depth); + ppt++; + pwidth++; + } + fbValidateDrawable (pDrawable); +} + |