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Diffstat (limited to 'afb/afbpixmap.c')
| -rw-r--r-- | afb/afbpixmap.c | 299 |
1 files changed, 0 insertions, 299 deletions
diff --git a/afb/afbpixmap.c b/afb/afbpixmap.c deleted file mode 100644 index ad591a1af..000000000 --- a/afb/afbpixmap.c +++ /dev/null @@ -1,299 +0,0 @@ -/*********************************************************** - -Copyright (c) 1987 X Consortium - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -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 -X CONSORTIUM 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 X Consortium 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 X Consortium. - - -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. - -******************************************************************/ - -/* pixmap management - written by drewry, september 1986 - - on a monchrome device, a pixmap is a bitmap. -*/ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <string.h> - -#include <X11/Xmd.h> -#include "scrnintstr.h" -#include "pixmapstr.h" -#include "maskbits.h" - -#include "afb.h" -#include "mi.h" - -#include "servermd.h" -#include "mfb.h" - -PixmapPtr -afbCreatePixmap(pScreen, width, height, depth, usage_hint) - ScreenPtr pScreen; - int width; - int height; - int depth; - unsigned usage_hint; -{ - PixmapPtr pPixmap; - size_t datasize; - size_t paddedWidth; - - paddedWidth = BitmapBytePad(width); - - if (paddedWidth > 32767 || height > 32767 || depth > 4) - return NullPixmap; - - datasize = height * paddedWidth * depth; - pPixmap = AllocatePixmap(pScreen, datasize); - if (!pPixmap) - return(NullPixmap); - pPixmap->drawable.type = DRAWABLE_PIXMAP; - pPixmap->drawable.class = 0; - pPixmap->drawable.pScreen = pScreen; - pPixmap->drawable.depth = depth; - pPixmap->drawable.bitsPerPixel = depth; - pPixmap->drawable.id = 0; - pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER; - pPixmap->drawable.x = 0; - pPixmap->drawable.y = 0; - pPixmap->drawable.width = width; - pPixmap->drawable.height = height; - pPixmap->devKind = paddedWidth; - pPixmap->refcnt = 1; - pPixmap->devPrivate.ptr = datasize ? - (pointer)((char *)pPixmap + pScreen->totalPixmapSize) : NULL; - pPixmap->usage_hint = usage_hint; - return(pPixmap); -} - -Bool -afbDestroyPixmap(pPixmap) - PixmapPtr pPixmap; -{ - if(--pPixmap->refcnt) - return(TRUE); - dixFreePrivates(pPixmap->devPrivates); - xfree(pPixmap); - return(TRUE); -} - - -static PixmapPtr -afbCopyPixmap(PixmapPtr pSrc) -{ - register PixmapPtr pDst; - int size; - ScreenPtr pScreen; - - size = pSrc->drawable.height * pSrc->devKind * pSrc->drawable.depth; - pScreen = pSrc->drawable.pScreen; - pDst = (*pScreen->CreatePixmap)(pScreen, - pSrc->drawable.width, - pSrc->drawable.height, - pSrc->drawable.depth, 0); - if (!pDst) - return(NullPixmap); - memmove((char *)pDst->devPrivate.ptr, (char *)pSrc->devPrivate.ptr, size); - return(pDst); -} - - -/* replicates a pattern to be a full 32 bits wide. - relies on the fact that each scnaline is longword padded. - doesn't do anything if pixmap is not a factor of 32 wide. - changes width field of pixmap if successful, so that the fast - XRotatePixmap code gets used if we rotate the pixmap later. - - calculate number of times to repeat - for each scanline of pattern - zero out area to be filled with replicate - left shift and or in original as many times as needed -*/ -static void -afbPadPixmap(PixmapPtr pPixmap) -{ - register int width = pPixmap->drawable.width; - register int h; - register PixelType mask; - register PixelType *p; - register PixelType bits; /* real pattern bits */ - register int i; - int d; - int rep; /* repeat count for pattern */ - - if (width >= PPW) - return; - - rep = PPW/width; - if (rep*width != PPW) - return; - - mask = mfbGetendtab(width); - - p = (PixelType *)(pPixmap->devPrivate.ptr); - - for (d = 0; d < pPixmap->drawable.depth; d++) { - for (h = 0; h < pPixmap->drawable.height; h++) { - *p &= mask; - bits = *p; - for(i = 1; i < rep; i++) { - bits = SCRRIGHT(bits, width); - *p |= bits; - } - p++; /* @@@ NEXT PLANE @@@ */ - } - } - pPixmap->drawable.width = PPW; -} - -/* Rotates pixmap pPix by w pixels to the right on the screen. Assumes that - * words are PPW bits wide, and that the least significant bit appears on the - * left. - */ -void -afbXRotatePixmap(pPix, rw) - PixmapPtr pPix; - register int rw; -{ - register PixelType *pw, *pwFinal; - register PixelType t; - - if (pPix == NullPixmap) - return; - - pw = (PixelType *)pPix->devPrivate.ptr; - rw %= (int)pPix->drawable.width; - if (rw < 0) - rw += (int)pPix->drawable.width; - if(pPix->drawable.width == PPW) { - pwFinal = pw + pPix->drawable.height * pPix->drawable.depth; - while(pw < pwFinal) { - t = *pw; - *pw++ = SCRRIGHT(t, rw) | - (SCRLEFT(t, (PPW-rw)) & mfbGetendtab(rw)); - } - } else { - /* We no longer do this. Validate doesn't try to rotate odd-size - * tiles or stipples. afbUnnatural<tile/stipple>FS works directly off - * the unrotate tile/stipple in the GC - */ - ErrorF("X internal error: trying to rotate odd-sized pixmap.\n"); - } - -} - -/* Rotates pixmap pPix by h lines. Assumes that h is always less than - pPix->height - works on any width. - */ -void -afbYRotatePixmap(pPix, rh) - register PixmapPtr pPix; - int rh; -{ - int nbyDown; /* bytes to move down to row 0; also offset of - row rh */ - int nbyUp; /* bytes to move up to line rh; also - offset of first line moved down to 0 */ - char *pbase; - char *ptmp; - int height; - int d; - - if (pPix == NullPixmap) - return; - height = (int) pPix->drawable.height; - rh %= height; - if (rh < 0) - rh += height; - - nbyDown = rh * pPix->devKind; - nbyUp = (pPix->devKind * height) - nbyDown; - - if(!(ptmp = (char *)xalloc(nbyUp))) - return; - - for (d = 0; d < pPix->drawable.depth; d++) { - pbase = (char *)pPix->devPrivate.ptr + pPix->devKind * height * d; /* @@@ NEXT PLANE @@@ */ - - memmove(ptmp, pbase, nbyUp); /* save the low rows */ - memmove(pbase, pbase+nbyUp, nbyDown); /* slide the top rows down */ - memmove(pbase+nbyDown, ptmp, nbyUp); /* move lower rows up to row rh */ - } - xfree(ptmp); -} - -void -afbCopyRotatePixmap(psrcPix, ppdstPix, xrot, yrot) - register PixmapPtr psrcPix, *ppdstPix; - int xrot, yrot; -{ - register PixmapPtr pdstPix; - - if ((pdstPix = *ppdstPix) && - (pdstPix->devKind == psrcPix->devKind) && - (pdstPix->drawable.height == psrcPix->drawable.height) && - (pdstPix->drawable.depth == psrcPix->drawable.depth)) { - memmove((char *)pdstPix->devPrivate.ptr, - (char *)psrcPix->devPrivate.ptr, - psrcPix->drawable.height * psrcPix->devKind * - psrcPix->drawable.depth); - pdstPix->drawable.width = psrcPix->drawable.width; - pdstPix->drawable.serialNumber = NEXT_SERIAL_NUMBER; - } else { - if (pdstPix) - /* FIX XBUG 6168 */ - (*pdstPix->drawable.pScreen->DestroyPixmap)(pdstPix); - *ppdstPix = pdstPix = afbCopyPixmap(psrcPix); - if (!pdstPix) - return; - } - afbPadPixmap(pdstPix); - if (xrot) - afbXRotatePixmap(pdstPix, xrot); - if (yrot) - afbYRotatePixmap(pdstPix, yrot); -} |