diff options
Diffstat (limited to 'xorg-server/hw/xprint/pcl/PclGC.c')
| -rw-r--r-- | xorg-server/hw/xprint/pcl/PclGC.c | 971 |
1 files changed, 971 insertions, 0 deletions
diff --git a/xorg-server/hw/xprint/pcl/PclGC.c b/xorg-server/hw/xprint/pcl/PclGC.c new file mode 100644 index 000000000..fbadf5d5d --- /dev/null +++ b/xorg-server/hw/xprint/pcl/PclGC.c @@ -0,0 +1,971 @@ +/******************************************************************* +** +** ********************************************************* +** * +** * File: PclGC.c +** * +** * Contents: +** * Graphics Context handling for the PCL driver +** * +** * Created: 10/11/95 +** * +** ********************************************************* +** +********************************************************************/ +/* +(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 "gcstruct.h" + +#include "Pcl.h" +#include "pixmapstr.h" +#include "colormapst.h" +#include "windowstr.h" +#include "fb.h" +#include "scrnintstr.h" +#include "resource.h" + +static GCOps PclGCOps = +{ + PclFillSpans, + PclSetSpans, + PclPutImage, + PclCopyArea, + PclCopyPlane, + PclPolyPoint, + PclPolyLine, + PclPolySegment, + PclPolyRectangle, + PclPolyArc, + PclFillPolygon, + PclPolyFillRect, + PclPolyFillArc, + PclPolyText8, + PclPolyText16, + PclImageText8, + PclImageText16, + PclImageGlyphBlt, + PclPolyGlyphBlt, + PclPushPixels +} +; + + +static GCFuncs PclGCFuncs = +{ + PclValidateGC, + miChangeGC, + miCopyGC, + PclDestroyGC, + miChangeClip, + miDestroyClip, + miCopyClip, +} +; + +Bool +PclCreateGC(GCPtr pGC) +{ + if (fbCreateGC(pGC) == FALSE) + return FALSE; + + pGC->clientClip = NULL; + pGC->clientClipType = CT_NONE; + + pGC->ops = &PclGCOps; + pGC->funcs = &PclGCFuncs; + + return TRUE; +} + +void +PclDestroyGC(GCPtr pGC) +{ + /* fb doesn't specialize DestroyGC */ + miDestroyGC( pGC ); +} + + +int +PclGetDrawablePrivateStuff( + DrawablePtr pDrawable, + GC *gc, + unsigned long *valid, + FILE **file) +{ + XpContextPtr pCon; + PclContextPrivPtr cPriv; + + switch( pDrawable->type ) + { + case DRAWABLE_PIXMAP: + /* + * If we ever get here, something is wrong. + */ + return FALSE; + + case DRAWABLE_WINDOW: + pCon = PclGetContextFromWindow( (WindowPtr)pDrawable ); + + if( pCon == NULL ) + return FALSE; + else + { + cPriv = (PclContextPrivPtr) + dixLookupPrivate(&pCon->devPrivates, PclContextPrivateKey); + *gc = cPriv->lastGC; + *valid = cPriv->validGC; + *file = cPriv->pPageFile; + return TRUE; + } + + default: + return FALSE; + } +} + +void +PclSetDrawablePrivateGC( + DrawablePtr pDrawable, + GC gc) +{ + PixmapPtr pix; + XpContextPtr pCon; + PclPixmapPrivPtr pixPriv; + PclContextPrivPtr pPriv; + int i; + + switch( pDrawable->type ) + { + case DRAWABLE_PIXMAP: + pix = (PixmapPtr)pDrawable; + pixPriv = (PclPixmapPrivPtr) + dixLookupPrivate(&pix->devPrivates, PclPixmapPrivateKey); + + pixPriv->lastGC = gc; + pixPriv->validGC = 1; + break; + + case DRAWABLE_WINDOW: + pCon = PclGetContextFromWindow( (WindowPtr)pDrawable ); + pPriv = (PclContextPrivPtr) + dixLookupPrivate(&pCon->devPrivates, PclContextPrivateKey); + + pPriv->validGC = 1; + pPriv->lastGC = gc; + + /* + * Store the dash list separately, to avoid having it freed + * out from under us. + */ + if( pPriv->dash != NULL ) + xfree( pPriv->dash ); + if( gc.numInDashList != 0 ) + { + pPriv->dash = (unsigned char *)xalloc( sizeof( unsigned char ) + * gc.numInDashList ); + for( i = 0; i < gc.numInDashList; i++ ) + pPriv->dash[i] = gc.dash[i]; + } + else + pPriv->dash = NULL; + + + /* + * Store the dash list separately, to avoid having it freed + * out from under us. + */ + if( pPriv->dash != NULL ) + xfree( pPriv->dash ); + if( gc.numInDashList != 0 ) + { + pPriv->dash = (unsigned char *)xalloc( sizeof( unsigned char ) + * gc.numInDashList ); + for( i = 0; i < gc.numInDashList; i++ ) + pPriv->dash[i] = gc.dash[i]; + } + else + pPriv->dash = NULL; + + break; + } +} + +static void +PclSendPattern(char *bits, + int sz, + int depth, + int h, + int w, + int patNum, + FILE *outFile) +{ + char t[80], *row, *mod; + int w2; + int i, j; + + SEND_PCL( outFile, "\033%0A" ); + + if( depth == 1 ) + { + /* Each row must be word-aligned */ + w2 = ( w / 8 ) + ( ( w%8 ) ? 1 : 0 ); +/* + if( w2 % 2 ) + w2++; +*/ + + sprintf( t, "\033*c%dg%dW", patNum, h * w2 + 8 ); + SEND_PCL( outFile, t ); + + sprintf( t, "%c%c%c%c%c%c%c%c", 0, 0, 1, 0, h>>8, h&0xff, w>>8, + w&0xff ); + SEND_PCL_COUNT( outFile, t, 8 ); + + for( row = bits, i = 0; i < h; i++, row += BitmapBytePad( w ) ) + SEND_PCL_COUNT( outFile, row, w2 ); + } + else if( depth == 8 ) + { + w2 = ( w % 2 ) ? w + 1 : w; + + sprintf( t, "\033*c%dg%dW", patNum, h * w2 + 8 ); + SEND_PCL( outFile, t ); + + sprintf( t, "%c%c%c%c%c%c%c%c", 1, 0, 8, 0, h>>8, h&0xff, + w>>8, w&0xff ); + SEND_PCL_COUNT( outFile, t, 8 ); + + for( row = bits, i = 0; i < h; i++, + row += PixmapBytePad( w, 8 ) ) + SEND_PCL_COUNT( outFile, row, w2 ); + } + else + { + w2 = ( w % 2 ) ? w + 1 : w; + + sprintf( t, "\033*c%dg%dW", patNum, h * w2 + 8 ); + SEND_PCL( outFile, t ); + + sprintf( t, "%c%c%c%c%c%c%c%c", 1, 0, 8, 0, h>>8, h&0xff, + w>>8, w&0xff ); + SEND_PCL_COUNT( outFile, t, 8 ); + + mod = (char *)xalloc( w2 ); + + for( row = bits, i = 0; i < h; i++, + row += PixmapBytePad( w, 24 ) ) + { + char r, g, b; + for( j = 0; j < w2; j++ ) { + r = ((row[j*4+1] >> 5) & 0x7) << 5; + g = ((row[j*4+2] >> 5) & 0x7) << 2; + b = ((row[j*4+3] >> 6) & 0x3); + mod[j] = r | g | b; + } + SEND_PCL_COUNT( outFile, mod, w2 ); + } + + xfree( mod ); + } + + SEND_PCL( outFile, "\033%0B" ); +} + +int +PclUpdateDrawableGC( + GCPtr pGC, + DrawablePtr pDrawable, + FILE **outFile) +{ + Mask changeMask = 0; + GC dGC; + unsigned long valid; + int i; + XpContextPtr pCon; + PclContextPrivPtr cPriv; + PclGCPrivPtr gcPriv = (PclGCPrivPtr) + dixLookupPrivate(&pGC->devPrivates, PclGCPrivateKey); + + if( !PclGetDrawablePrivateStuff( pDrawable, &dGC, &valid, outFile ) ) + return FALSE; + + pCon = PclGetContextFromWindow( (WindowPtr)pDrawable ); + cPriv = (PclContextPrivPtr) + dixLookupPrivate(&pCon->devPrivates, PclContextPrivateKey); + + /* + * Here's where we update the colormap. Since there can be + * different colormaps installed on each window, we need to check + * before each drawing request that the correct palette is active in + * the printer. This is as good a place as any. + */ + if( !PclUpdateColormap( pDrawable, pCon, pGC, *outFile ) ) + return FALSE; + + /* + * If the drawable's last GC is NULL, this means that this is + * the first time the drawable is being used. Therefore, we need + * to emit PCL for all the GC fields. + */ + if( valid == 0 ) + changeMask = ~0; + + /* + * If we have two different GC structures, there is no alternative + * but to scan through them both to determine the changeMask. + */ + else + { + if( dGC.alu != pGC->alu ) + changeMask |= GCFunction; + if( dGC.fgPixel != pGC->fgPixel ) + changeMask |= GCForeground; + if( dGC.bgPixel != pGC->bgPixel ) + changeMask |= GCBackground; + if( dGC.lineWidth != pGC->lineWidth ) + changeMask |= GCLineWidth; + if( dGC.lineStyle != pGC->lineStyle ) + changeMask |= GCLineStyle; + if( dGC.capStyle != pGC->capStyle ) + changeMask |= GCCapStyle; + if( dGC.joinStyle != pGC->joinStyle ) + changeMask |= GCJoinStyle; + if( dGC.fillStyle != pGC->fillStyle ) + changeMask |= GCFillStyle; + if( dGC.tile.pixmap != pGC->tile.pixmap ) + changeMask |= GCTile; + if( dGC.stipple != pGC->stipple ) + changeMask |= GCStipple; + if( dGC.patOrg.x != pGC->patOrg.x ) + changeMask |= GCTileStipXOrigin; + if( dGC.patOrg.y != pGC->patOrg.y ) + changeMask |= GCTileStipYOrigin; + + if( dGC.numInDashList == pGC->numInDashList ) + { + for( i = 0; i < dGC.numInDashList; i++ ) + if( cPriv->dash[i] != pGC->dash[i] ) + { + changeMask |= GCDashList; + break; + } + } + else + changeMask |= GCDashList; + } + + /* + * Once the changeMask has been determined, we scan it and emit + * the appropriate PCL code to set the drawing attributes. + */ + + /* Must be in HP-GL/2 mode to set attributes */ + SEND_PCL( *outFile, "\033%0B" ); + + if( changeMask & GCFunction ) + { +#ifdef XP_PCL_COLOR + + if( pGC->alu == GXclear ) + SEND_PCL( *outFile, "SP0;" ); + else + SEND_PCL( *outFile, "SP1;" ); +#else + if( pGC->alu == GXclear ) + SEND_PCL( *outFile, "SP0;" ); + else + SEND_PCL( *outFile, "SP1;" ); +#endif /* XP_PCL_COLOR */ + } + +#if 0 + if( changeMask & GCFunction ) + { + int rop = -1; + char t[10]; + + switch( pGC->alu ) + { + case GXclear: + rop = 1; + break; + case GXand: + rop = 136; + break; + case GXandReverse: + rop = 68; + break; + case GXcopy: + rop = 204; + break; + case GXandInverted: + rop = 34; + break; + case GXnoop: + rop = 170; + break; + case GXxor: + rop = 238; + break; + case GXor: + rop = 238; + break; + case GXnor: + rop = 17; + break; + case GXequiv: + rop = 153; + break; + case GXinvert: + rop = 85; + break; + case GXorReverse: + rop = 221; + break; + case GXcopyInverted: + rop = 51; + break; + case GXorInverted: + rop = 187; + break; + case GXnand: + rop = 119; + break; + case GXset: + rop = 0; + break; + } + if( rop != -1 ) + { + sprintf( t, "MC1,%d;", rop ); + SEND_PCL( *outFile, t ); +#endif + + if( changeMask & GCForeground ) + switch( pGC->fgPixel ) + { + case 1: + SEND_PCL( *outFile, "SP1;" ); + break; + default: + SEND_PCL( *outFile, "SP0;" ); + break; + } + + if( changeMask & GCForeground ) + { +#ifdef XP_PCL_COLOR + ColormapPtr cmap; + Colormap c; + char t[40]; + + c = wColormap( ((WindowPtr)pDrawable) ); + cmap = (ColormapPtr)LookupIDByType( c, RT_COLORMAP ); + + if( cmap->class == TrueColor ) + { + if( pGC->fillStyle != FillTiled || pGC->tileIsPixel ) { + unsigned short r, g, b; + + r = (pGC->fgPixel & cmap->pVisual->redMask) + >> (cmap->pVisual->offsetRed ); + g = (pGC->fgPixel & cmap->pVisual->greenMask) + >> (cmap->pVisual->offsetGreen); + b = (pGC->fgPixel & cmap->pVisual->blueMask) + >> (cmap->pVisual->offsetBlue); + + PclLookUp(cmap, cPriv, &r, &g, &b); + sprintf( t, "\033%%0A\033*v%ua%ub%uc0I\033%%0B", r, g, b); + SEND_PCL( *outFile, t ); + } + } + else /* PseudoColor or StaticGray */ + { + sprintf( t, "SP%ld;", (long) pGC->fgPixel ); + SEND_PCL( *outFile, t ); + } +#else + ScreenPtr screen; + screen = pDrawable->pScreen; + if ( pGC->fgPixel == screen->whitePixel ) + SEND_PCL( *outFile, "SP0;"); + else + SEND_PCL( *outFile, "SP1;"); +#endif /* XP_PCL_COLOR */ + } + + if( changeMask & GCJoinStyle ) + switch( pGC->joinStyle ) + { + case JoinMiter: + SEND_PCL( *outFile, "LA2,1;" ); + break; + case JoinRound: + SEND_PCL( *outFile, "LA2,4;" ); + break; + case JoinBevel: + SEND_PCL( *outFile, "LA2,5;" ); + break; + } + + if( changeMask & GCCapStyle ) + switch( pGC->capStyle ) + { + case CapNotLast: + case CapButt: + SEND_PCL( *outFile, "LA1,1;" ); + break; + case CapRound: + SEND_PCL( *outFile, "LA1,4;" ); + break; + case CapProjecting: + SEND_PCL( *outFile, "LA1,2;" ); + break; + } + + if( changeMask & GCLineWidth ) + { + float penWidth, pixelsPerMM; + ScreenPtr screen; + char temp[30]; + + if( pGC->lineWidth == 0 || pGC->lineWidth == 1 ) + /* A pen width of 0.0 mm gives a one-pixel-wide line */ + penWidth = 0.0; + else + { + screen = pDrawable->pScreen; + pixelsPerMM = (float)screen->width / (float)screen->mmWidth; + + penWidth = pGC->lineWidth / pixelsPerMM; + } + sprintf( temp, "PW%g;", penWidth ); + SEND_PCL( *outFile, temp ); + } + + if( changeMask & GCLineStyle ) + { + int i, num = pGC->numInDashList; + double total; + char t[30]; + + switch( pGC->lineStyle ) + { + case LineSolid: + SEND_PCL( *outFile, "LT;" ); + break; + case LineOnOffDash: + /* + * Calculate the pattern length of the dashes, in pixels, + * then convert to mm + */ + for( i = 0, total = 0.0; i < 20 && i < num; i++ ) + total += pGC->dash[i]; + if( num % 2 ) + for( i = num; i < 20 && i < num + num; i++ ) + total += pGC->dash[i-num]; + + total *= ( (double)pDrawable->pScreen->mmWidth / + (double)pDrawable->pScreen->width ); + + sprintf( t, "LT8,%f,1;", total ); + SEND_PCL( *outFile, t ); + break; + } + } + + + if( changeMask & GCFillStyle ) + switch( pGC->fillStyle ) + { + case FillSolid: + SEND_PCL( *outFile, "FT1;TR0;CF;" ); + break; + case FillTiled: + SEND_PCL( *outFile, "FT22,100;TR0;CF2,0;" ); + break; + case FillOpaqueStippled: + SEND_PCL( *outFile, "FT22,101;TR0;CF2,0;" ); + if( pGC->fgPixel != gcPriv->stippleFg || + pGC->bgPixel != gcPriv->stippleBg ) + changeMask |= GCStipple; + break; + case FillStippled: + SEND_PCL( *outFile, "FT22,102;TR1;CF2,0;" ); + break; + } + + if( changeMask & GCTile && !pGC->tileIsPixel ) + { + char *bits; + int h, w, sz; + + h = pGC->tile.pixmap->drawable.height; + w = pGC->tile.pixmap->drawable.width; + + sz = h * PixmapBytePad(w, pGC->tile.pixmap->drawable.depth); + bits = (char *)xalloc(sz); + fbGetImage(&(pGC->tile.pixmap->drawable), 0, 0, w, h, XYPixmap, ~0, + bits); + PclSendPattern( bits, sz, 1, h, w, 100, *outFile ); + xfree( bits ); + } + + if( changeMask & ( GCTileStipXOrigin | GCTileStipYOrigin ) ) + { + char t[30]; + + sprintf( t, "AC%d,%d;", pGC->patOrg.x, pGC->patOrg.y ); + SEND_PCL( *outFile, t ); + } + + /* + * We have to resend the stipple pattern either when the stipple itself + * changes, or if we're in FillOpaqueStippled mode and either the + * foreground or the background color changes. + */ + if( changeMask & GCStipple || + ( pGC->fillStyle == FillOpaqueStippled && + ( pGC->fgPixel != gcPriv->stippleFg || + pGC->bgPixel != gcPriv->stippleBg ) ) ) + { + int h, w, i, sz, w2; + char *bits, *row, t[30]; + PixmapPtr scratchPix; + GCPtr scratchGC; + + if( pGC->stipple != NULL ) + { + SEND_PCL( *outFile, "\033%0A" ); + + h = pGC->stipple->drawable.height; + w = pGC->stipple->drawable.width; + sz = h * BitmapBytePad( w ); + + bits = (char *)xalloc( sz ); + fbGetImage( &(pGC->stipple->drawable), 0, 0, w, h, XYPixmap, ~0, bits ); + + w2 = ( w / 8 ) + ( ( w%8 ) ? 1 : 0 ); + /* + * XXX The PCL docs say that I need to word-align each + * XXX row, but I get garbage when I do... + */ + /* + if( w2 % 2 ) + w2++; + */ + + sprintf( t, "\033*c102g%dW", h * w2 + 8 ); + SEND_PCL( *outFile, t ); + + sprintf( t, "%c%c%c%c%c%c%c%c", 0, 0, 1, 0, h>>8, h&0xff, w>>8, + w&0xff ); + SEND_PCL_COUNT( *outFile, t, 8 ); + + for( row = bits, i = 0; i < h; i++, row += BitmapBytePad( w ) ) + SEND_PCL_COUNT( *outFile, row, w2 ); + + SEND_PCL( *outFile, "\033%0B" ); + + xfree( bits ); + + /* + * Also do the opaque stipple, as a tile + */ + if( pGC->depth != 1 ) + sz = h * PixmapBytePad( w, pGC->depth ); + bits = (char *)xalloc( sz ); + + scratchPix = + (*pGC->pScreen->CreatePixmap)( pGC->pScreen, + w, h, pGC->depth, + CREATE_PIXMAP_USAGE_SCRATCH ); + scratchGC = GetScratchGC( pGC->depth, pGC->pScreen ); + CopyGC( pGC, scratchGC, ~0L ); + + fbValidateGC(scratchGC, ~0L, (DrawablePtr)scratchPix); + fbCopyPlane(&(pGC->stipple->drawable), (DrawablePtr)scratchPix, + scratchGC, 0, 0, w, h, 0, 0, 1); + fbGetImage(&(scratchPix->drawable), 0, 0, w, h, XYPixmap, ~0, + bits); + PclSendPattern( bits, sz, pGC->depth, h, w, 101, *outFile ); + FreeScratchGC( scratchGC ); + (*pGC->pScreen->DestroyPixmap)( scratchPix ); + xfree( bits ); + } + } + + if( changeMask & ( GCTileStipXOrigin | GCTileStipYOrigin ) ) + { + char t[30]; + + sprintf( t, "AC%d,%d;", pGC->patOrg.x, pGC->patOrg.y ); + SEND_PCL( *outFile, t ); + } + + if( changeMask & GCDashList ) + { + int num = pGC->numInDashList; + double total; + char dashes[20]; + char t[100], t2[20]; + + /* Make up the doubled dash list, if necessary */ + for( i = 0; i < 20 && i < num; i++ ) + dashes[i] = pGC->dash[i]; + + if( num % 2 ) + { + for( i = num; i < 20 && i < num + num; i++ ) + dashes[i] = dashes[i-num]; + if( ( num *= 2 ) > 20 ) + num = 20; + } + + /* Add up dash lengths to get percentage */ + for( i = 0, total = 0; i < num; i++ ) + total += dashes[i]; + + /* Build up the HP-GL/2 for the dash list */ + strcpy( t, "UL8" ); + for( i = 0; i < num; i++ ) + { + sprintf( t2, ",%d", + (int)( ( (double)dashes[i] / total * 100.0 ) + 0.5 ) ); + strcat( t, t2 ); + } + strcat( t, ";" ); + SEND_PCL( *outFile, t ); + } + + + /* Go back to PCL mode */ + SEND_PCL( *outFile, "\033%0A" ); + + /* + * Update the drawable's private information, which includes + * erasing the drawable's private changeMask, since all the + * changes have been made. + */ + if( changeMask ) + PclSetDrawablePrivateGC( pDrawable, *pGC ); + + return TRUE; +} + +/* + * PclComputeCompositeClip() + * + * I'd like to use the miComputeCompositeClip function, but it sticks + * things into the mi GC privates, where the PCL driver can't get at + * it. So, rather than mess around with the mi code, I ripped it out + * and made the appropriate changes here. + */ + + +void +PclComputeCompositeClip( + GCPtr pGC, + DrawablePtr pDrawable) +{ + if (pDrawable->type == DRAWABLE_WINDOW) + { + WindowPtr pWin = (WindowPtr) pDrawable; + RegionPtr pregWin; + Bool freeTmpClip, freeCompClip; + + if (pGC->subWindowMode == IncludeInferiors) + { + pregWin = NotClippedByChildren(pWin); + freeTmpClip = TRUE; + } + else + { + pregWin = &pWin->clipList; + freeTmpClip = FALSE; + } + freeCompClip = pGC->freeCompClip; + + /* + * if there is no client clip, we can get by with just keeping the + * pointer we got, and remembering whether or not should destroy (or + * maybe re-use) it later. this way, we avoid unnecessary copying of + * regions. (this wins especially if many clients clip by children + * and have no client clip.) + */ + if (pGC->clientClipType == CT_NONE) + { + if (freeCompClip) + REGION_DESTROY(pGC->pScreen, pGC->pCompositeClip); + pGC->pCompositeClip = pregWin; + pGC->freeCompClip = freeTmpClip; + } + else + { + /* + * we need one 'real' region to put into the composite clip. if + * pregWin the current composite clip are real, we can get rid of + * one. if pregWin is real and the current composite clip isn't, + * use pregWin for the composite clip. if the current composite + * clip is real and pregWin isn't, use the current composite + * clip. if neither is real, create a new region. + */ + + REGION_TRANSLATE(pGC->pScreen, pGC->clientClip, + pDrawable->x + pGC->clipOrg.x, + pDrawable->y + pGC->clipOrg.y); + + if (freeCompClip) + { + REGION_INTERSECT(pGC->pScreen, pGC->pCompositeClip, + pregWin, pGC->clientClip); + if (freeTmpClip) + REGION_DESTROY(pGC->pScreen, pregWin); + } + else if (freeTmpClip) + { + REGION_INTERSECT(pGC->pScreen, pregWin, pregWin, + pGC->clientClip); + pGC->pCompositeClip = pregWin; + } + else + { + pGC->pCompositeClip = REGION_CREATE(pGC->pScreen, NullBox, 0); + REGION_INTERSECT(pGC->pScreen, pGC->pCompositeClip, + pregWin, pGC->clientClip); + } + pGC->freeCompClip = TRUE; + REGION_TRANSLATE(pGC->pScreen, pGC->clientClip, + -(pDrawable->x + pGC->clipOrg.x), + -(pDrawable->y + pGC->clipOrg.y)); + } + } /* end of composite clip for a window */ + else + { + BoxRec pixbounds; + + /* XXX should we translate by drawable.x/y here ? */ + pixbounds.x1 = 0; + pixbounds.y1 = 0; + pixbounds.x2 = pDrawable->width; + pixbounds.y2 = pDrawable->height; + + if (pGC->freeCompClip) + { + REGION_RESET(pGC->pScreen, pGC->pCompositeClip, &pixbounds); + } + else + { + pGC->freeCompClip = TRUE; + pGC->pCompositeClip = REGION_CREATE(pGC->pScreen, &pixbounds, 1); + } + + if (pGC->clientClipType == CT_REGION) + { + REGION_TRANSLATE(pGC->pScreen, pGC->pCompositeClip, + -pGC->clipOrg.x, -pGC->clipOrg.y); + REGION_INTERSECT(pGC->pScreen, pGC->pCompositeClip, + pGC->pCompositeClip, pGC->clientClip); + REGION_TRANSLATE(pGC->pScreen, pGC->pCompositeClip, + pGC->clipOrg.x, pGC->clipOrg.y); + } + } /* end of composite clip for pixmap */ +} + +/* + * PclValidateGC() + * + * Unlike many screen GCValidate routines, this function should not need + * to mess with setting the drawing functions. Different drawing + * functions are usually needed to optimize such things as drawing + * wide or dashed lines; this functionality will be handled primarily + * by the printer itself, while the necessary PCL code to set the + * attributes will be done in PclUpdateDrawableGC(). + */ + +/*ARGSUSED*/ +void +PclValidateGC( + GCPtr pGC, + unsigned long changes, + DrawablePtr pDrawable) +{ + /* + * Pixmaps should be handled by their respective validation + * functions. + */ + if( pDrawable->type == DRAWABLE_PIXMAP ) + { + fbValidateGC(pGC, ~0, pDrawable); + return; + } + + /* + * Reset the drawing operations + */ + pGC->ops = &PclGCOps; + + /* + * Validate the information, and correct it if necessary. + */ + + /* + * If necessary, compute the composite clip region. (Code ripped + * from migc.c) + */ + if ((changes & (GCClipXOrigin|GCClipYOrigin|GCClipMask|GCSubwindowMode)) || + (pDrawable->serialNumber != (pGC->serialNumber & DRAWABLE_SERIAL_BITS)) + ) + { + PclComputeCompositeClip(pGC, pDrawable); + } + + /* + * PCL does not directly support the DoubleDash line style, nor is + * there an easy way to simulate it, so we'll just change it to a + * LineOnOffDash, which is supported by PCL. + */ + if( ( changes & GCLineStyle ) && ( pGC->lineStyle == LineDoubleDash ) ) + pGC->lineStyle = LineOnOffDash; + + /* + * Update the drawable's changeMask to reflect the changes made to the GC. + */ +/* + PclSetDrawablePrivateGC( pDrawable, *pGC, changes ); +*/ +} |