diff options
Diffstat (limited to 'xorg-server/hw/xprint/pcl/PclArea.c')
| -rw-r--r-- | xorg-server/hw/xprint/pcl/PclArea.c | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/xorg-server/hw/xprint/pcl/PclArea.c b/xorg-server/hw/xprint/pcl/PclArea.c new file mode 100644 index 000000000..a4e53dad6 --- /dev/null +++ b/xorg-server/hw/xprint/pcl/PclArea.c @@ -0,0 +1,436 @@ +/******************************************************************* +** +** ********************************************************* +** * +** * File: PclArea.c +** * +** * Contents: +** * Image and Area functions for the PCL DDX driver +** * +** * Created: 10/23/95 +** * +** ********************************************************* +** +********************************************************************/ +/* +(c) Copyright 1996 Hewlett-Packard Company +(c) Copyright 1996 International Business Machines Corp. +(c) Copyright 1996 Sun Microsystems, Inc. +(c) Copyright 1996 Novell, Inc. +(c) Copyright 1996 Digital Equipment Corp. +(c) Copyright 1996 Fujitsu Limited +(c) Copyright 1996 Hitachi, Ltd. + +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 +COPYRIGHT HOLDERS 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 names of the copyright holders shall +not be used in advertising or otherwise to promote the sale, use or other +dealings in this Software without prior written authorization from said +copyright holders. +*/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include "Pcl.h" +#include "pixmapstr.h" +#include "region.h" + +#include "fb.h" + +void +PclPutImage(DrawablePtr pDrawable, + GCPtr pGC, + int depth, + int x, + int y, + int w, + int h, + int leftPad, + int format, + char *pImage) +{ + PixmapPtr pPixmap; + unsigned long oldFg, oldBg; + XID gcv[3]; + unsigned long oldPlanemask; + unsigned long i; + long bytesPer; + + if( ( w == 0 ) || ( h == 0 ) ) + return; + + if( format != XYPixmap ) + { + pPixmap = GetScratchPixmapHeader( pDrawable->pScreen, + w+leftPad, h, depth, + BitsPerPixel( depth ), + PixmapBytePad( w + leftPad, + depth ), (pointer)pImage ); + if( !pPixmap ) + return; + + if( format == ZPixmap ) + (void)(*pGC->ops->CopyArea)( (DrawablePtr)pPixmap, pDrawable, pGC, + leftPad, 0, w, h, x, y ); + else + (void)(*pGC->ops->CopyPlane)( (DrawablePtr)pPixmap, pDrawable, pGC, + leftPad, 0, w, h, x, y, 1 ); + FreeScratchPixmapHeader( pPixmap ); + } + else + { + pPixmap = GetScratchPixmapHeader( pDrawable->pScreen, + w+leftPad, h, depth, + BitsPerPixel( depth ), + PixmapBytePad( w + leftPad, + depth ), (pointer)pImage ); + + if( !pPixmap ) + return; + + depth = pGC->depth; + oldPlanemask = pGC->planemask; + oldFg = pGC->fgPixel; + oldBg = pGC->bgPixel; + gcv[0] = ~0L; + gcv[1] = 0; + DoChangeGC( pGC, GCForeground | GCBackground, gcv, 0 ); + bytesPer = (long)h * BitmapBytePad( w + leftPad ); + + for( i = 1 << (depth-1); i != 0; i >>= 1, pImage += bytesPer ) + { + if( i & oldPlanemask ) + { + gcv[0] = i; + DoChangeGC( pGC, GCPlaneMask, gcv, 0 ); + ValidateGC( pDrawable, pGC ); + fbPutImage( (DrawablePtr)pPixmap, pGC, 1, x, y, w, h, + leftPad, XYBitmap, pImage ); + } + } + gcv[0] = oldPlanemask; + gcv[1] = oldFg; + gcv[2] = oldBg; + DoChangeGC( pGC, GCPlaneMask | GCForeground | GCBackground, + gcv, 0 ); + + PclCopyArea( (DrawablePtr)pPixmap, pDrawable, pGC, leftPad, + 0, w, h, x, y ); + FreeScratchPixmapHeader( pPixmap ); + } +} + +/* + * PclMonoPixmapFragment() + * + * Given a 1-bit-deep pixmap, send the appropriate part of it to the + * output file as a PCL raster graphics command. + */ +static void +PclMonoPixmapFragment(FILE *outFile, + PixmapPtr pix, + short x1, + short y1, + short x2, + short y2, + short dstx, + short dsty) +{ + char *bits, t[80], *row; + int h, w, i; + + /* + * Create a storage area large enough to hold the entire pixmap, + * then use fbGetImage to get the appropriate bits. + */ + h = y2 - y1; + w = BitmapBytePad( x2 - x1 ); + + bits = (char *)xalloc( h * w ); + fbGetImage( (DrawablePtr)pix, x1, y1, x2 - x1, h, + XYPixmap, ~0, bits ); + + /* + * Move the cursor to the appropriate place on the page. We have + * to jump into HP-GL/2 to do this correctly, then go back to PCL + * for the actual drawing. + */ + sprintf( t, "\033%%0BPU%d,%d;\033%%1A", dstx, dsty ); + SEND_PCL( outFile, t ); + + /* + * Now, wrap the raster in the appropriate PCL code. Right now, + * it's going to go down the wire without any compression. That + * will have to be good enough for the sample implementation. + */ + sprintf( t, "\033*t300R\033*r%dT\033*r%dS\033*r1A\033*b0M", + h, x2 - x1 ); + SEND_PCL( outFile, t ); + + sprintf( t, "\033*b%dW", w ); + for( row = bits, i = 0; i <= h; i++, row += w ) + { + SEND_PCL( outFile, t ); + SEND_PCL_COUNT( outFile, row, w ); + } + + SEND_PCL( outFile, "\033*rC" ); + + /* + * Clean things up a bit + */ + xfree( bits ); +} + +static void +PclColorPixmapFragment(FILE *outFile, + PixmapPtr pix, + short x1, + short y1, + short x2, + short y2, + short dstx, + short dsty) +{ + char *bits, t[80], *row; + int h, w, i; + + /* + * Create a storage area large enough to hold the entire pixmap, + * then use fbGetImage to get the appropriate bits. + */ + h = y2 - y1; + w = PixmapBytePad( x2 - x1, pix->drawable.depth ); + + bits = (char *)xalloc( h * w ); + fbGetImage( (DrawablePtr)pix, x1, y1, x2 - x1, h, ZPixmap, ~0, bits ); + + /* + * Move the cursor to the appropriate place on the page. We have + * to jump into HP-GL/2 to do this correctly, then go back to PCL + * for the actual drawing. + */ + sprintf( t, "\033%%0BPU%d,%d;\033%%1A", dstx, dsty ); + SEND_PCL( outFile, t ); + + /* + * Now, wrap the raster in the appropriate PCL code. Right now, + * it's going to go down the wire without any compression. That + * will have to be good enough for the sample implementation. + */ + sprintf( t, "\033*t300R\033*r%dt%ds1A\033*b0M", + h, x2 - x1 ); + SEND_PCL( outFile, t ); + + sprintf( t, "\033*b%dW", w ); + for( row = bits, i = 0; i < h; i++, row += w ) + { + SEND_PCL( outFile, t ); + SEND_PCL_COUNT( outFile, row, w ); + } + + SEND_PCL( outFile, "\033*rC" ); + + /* + * Clean things up a bit + */ + xfree( bits ); +} + +RegionPtr +PclCopyArea(DrawablePtr pSrc, + DrawablePtr pDst, + GCPtr pGC, + int srcx, + int srcy, + int width, + int height, + int dstx, + int dsty) +{ + PixmapPtr pixSrc = (PixmapPtr)pSrc; +/* + FILE *srcFile; + GC srcGC; +*/ + FILE *dstFile; + GC dstGC; + unsigned long valid; + RegionPtr drawRegion, region, whole, ret; + BoxRec box; + BoxPtr prect; + int nrect; + void (*doFragment)(FILE *, PixmapPtr, short, short, short, short, + short, short ); + + /* + * Since we don't store any information on a per-window basis, we + * can't copy from a window. + */ + if( pSrc->type == DRAWABLE_WINDOW ) + return NULL; + + /* + * If we're copying from a pixmap to a pixmap, we just use the + * fb code to do the work. + */ + if( pDst->type == DRAWABLE_PIXMAP ) + fbCopyArea( pSrc, pDst, pGC, srcx, srcy, width, height, dstx, dsty ); + +/* + PclGetDrawablePrivateStuff( pSrc, &srcGC, &valid, &srcFile ); +*/ + PclGetDrawablePrivateStuff( pDst, &dstGC, &valid, &dstFile ); + + /* + * If we're copying to a window, we have to do some actual + * drawing, instead of just handing it off to fb. Start + * by determining the region that will be drawn. + */ + box.x1 = srcx; + box.y1 = srcy; + box.x2 = srcx + width; + box.y2 = srcy + height; + drawRegion = REGION_CREATE( pGC->pScreen, &box, 0 ); + REGION_TRANSLATE( pGC->pScreen, drawRegion, dstx, dsty ); + + region = REGION_CREATE( pGC->pScreen, NULL, 0 ); + REGION_INTERSECT( pGC->pScreen, region, drawRegion, pGC->pCompositeClip ); + + /* + * Now select the operation to be performed on each box in the + * region. + */ + if( pSrc->depth == 1 ) + doFragment = PclMonoPixmapFragment; + else + doFragment = PclColorPixmapFragment; + + /* + * Actually draw each section of the bitmap. + */ + nrect = REGION_NUM_RECTS( region ); + prect = REGION_RECTS( region ); + + while( nrect ) + { + (*doFragment)( dstFile, (PixmapPtr)pSrc, prect->x1 - dstx, + prect->y1 - dsty, prect->x2 - dstx, + prect->y2 - dsty, prect->x1, prect->y1 ); + + nrect--; + prect++; + } + + /* + * Update the destination's GC to the source's GC. + */ +/* + PclSetDrawablePrivateGC( pDst, srcGC ); +*/ + + /* + * Determine the region that needs to be returned. This is the + * region of the source that falls outside the boundary of the + * pixmap. + */ + box.x1 = 0; + box.y1 = 0; + box.x2 = pixSrc->drawable.width; + box.y2 = pixSrc->drawable.height; + whole = REGION_CREATE( pGC->pScreen, &box, 0 ); + ret = REGION_CREATE( pGC->pScreen, NULL, 0 ); + + REGION_TRANSLATE( pGC->pScreen, drawRegion, -dstx, -dsty ); + REGION_SUBTRACT( pGC->pScreen, ret, drawRegion, whole ); + + /* + * Clean up the regions + */ + REGION_DESTROY( pGC->pScreen, drawRegion ); + REGION_DESTROY( pGC->pScreen, region ); + REGION_DESTROY( pGC->pScreen, whole ); + + if( REGION_NOTEMPTY( pGC->pScreen, ret ) ) + return ret; + else + { + REGION_DESTROY( pGC->pScreen, ret ); + return NULL; + } +} + +RegionPtr +PclCopyPlane(DrawablePtr pSrc, + DrawablePtr pDst, + GCPtr pGC, + int srcx, + int srcy, + int width, + int height, + int dstx, + int dsty, + unsigned long plane) +{ + RegionPtr reg; + GCPtr scratchGC; + PixmapPtr scratchPix; + + /* + * Since we don't store PCL on a per-window basis, there's no good + * way to copy from a window. + */ + if( pSrc->type == DRAWABLE_WINDOW ) + return NULL; + + /* Copying from a pixmap to a pixmap is already implemented by fb. */ + if( pSrc->type == DRAWABLE_PIXMAP && + pDst->type == DRAWABLE_PIXMAP ) + fbCopyPlane( pSrc, pDst, pGC, srcx, srcy, width, height, + dstx, dsty, plane ); + + /* + * We can use fbCopyPlane to do the work of grabbing the plane and + * converting it to the desired visual. Once that's done, we already + * know how to do a CopyArea. + */ + scratchPix = (*pDst->pScreen->CreatePixmap)( pDst->pScreen, width, + height, pDst->depth, + CREATE_PIXMAP_USAGE_SCRATCH ); + + scratchGC = GetScratchGC( pDst->depth, pDst->pScreen ); + CopyGC( pGC, scratchGC, ~0L ); + + fbValidateGC( scratchGC, ~0L, (DrawablePtr)scratchPix ); + fbCopyPlane( pSrc, (DrawablePtr)scratchPix, scratchGC, + srcx, srcy, width, height, 0, 0, plane ); + + reg = PclCopyArea( (DrawablePtr)scratchPix, pDst, pGC, 0, 0, width, + height, dstx, dsty ); + + FreeScratchGC( scratchGC ); + + (*pDst->pScreen->DestroyPixmap)( scratchPix ); + + return reg; +} |