/* $Xorg: edraw.c,v 1.3 2000/08/17 19:47:23 cpqbld Exp $ */ /**** module edraw.c ****/ /****************************************************************************** Copyright 1993, 1994, 1998 The Open Group All Rights Reserved. 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 OPEN GROUP 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 Open Group 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 Open Group. NOTICE This software is being provided by AGE Logic, Inc. under the following license. By obtaining, using and/or copying this software, you agree that you have read, understood, and will comply with these terms and conditions: Permission to use, copy, modify, distribute and sell this software and its documentation for any purpose and without fee or royalty and to grant others any or all rights granted herein is hereby granted, provided that you agree to comply with the following copyright notice and statements, including the disclaimer, and that the same appears on all copies and derivative works of the software and documentation you make. "Copyright 1993, 1994 by AGE Logic, Inc." THIS SOFTWARE IS PROVIDED "AS IS". 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Title to this software shall at all times remain with AGE Logic, Inc. ***************************************************************************** edraw.c -- DIXIE routines for managing the ExportDrawable element Robert NC Shelley -- AGE Logic, Inc. April 1993 *****************************************************************************/ /* $XFree86: xc/programs/Xserver/XIE/dixie/export/edraw.c,v 3.4 2001/01/17 22:12:49 dawes Exp $ */ #define _XIEC_EDRAW /* * Include files */ /* * Core X Includes */ #define NEED_EVENTS #include #include /* * XIE Includes */ #include #include /* * more X server includes. */ #include #include #include /* * Server XIE Includes */ #include #include #include #include /* * routines internal to this module */ static Bool PrepEDraw(floDefPtr flo, peDefPtr ped); /* * dixie entry points */ static diElemVecRec eDrawVec = { PrepEDraw /* prepare for analysis and execution */ }; /*------------------------------------------------------------------------ ----------------- routine: make an ExportDrawable element ---------------- ------------------------------------------------------------------------*/ peDefPtr MakeEDraw(floDefPtr flo, xieTypPhototag tag, xieFlo *pe) { peDefPtr ped; inFloPtr inflo; ELEMENT(xieFloExportDrawable); ELEMENT_SIZE_MATCH(xieFloExportDrawable); ELEMENT_NEEDS_1_INPUT(src); if(!(ped = MakePEDef(1, (CARD32)stuff->elemLength<<2, sizeof(eDrawDefRec)))) FloAllocError(flo,tag,xieElemExportDrawable, return(NULL)); ped->diVec = &eDrawVec; ped->phototag = tag; ped->flags.export = TRUE; raw = (xieFloExportDrawable *)ped->elemRaw; /* * copy the client element parameters (swap if necessary) */ if( flo->reqClient->swapped ) { raw->elemType = stuff->elemType; raw->elemLength = stuff->elemLength; cpswaps(stuff->src, raw->src); cpswaps(stuff->dstX, raw->dstX); cpswaps(stuff->dstY, raw->dstY); cpswapl(stuff->drawable, raw->drawable); cpswapl(stuff->gc, raw->gc); } else memcpy((char *)raw, (char *)stuff, sizeof(xieFloExportDrawable)); /* * assign phototags to inFlos */ inflo = ped->inFloLst; inflo[SRCtag].srcTag = raw->src; return(ped); } /* end MakeEDraw */ /*------------------------------------------------------------------------ ---------------- routine: prepare for analysis and execution ------------- ------------------------------------------------------------------------*/ static Bool PrepEDraw(floDefPtr flo, peDefPtr ped) { xieFloExportDrawable *raw = (xieFloExportDrawable *) ped->elemRaw; eDrawDefPtr pvt = (eDrawDefPtr) ped->elemPvt; inFloPtr inf = &ped->inFloLst[SRCtag]; outFloPtr src = &inf->srcDef->outFlo; outFloPtr dst = &ped->outFlo; formatPtr df = &dst->format[0]; CARD32 f, right_padm1; /* * check out drawable and gc */ if(!DrawableAndGC(flo,ped,raw->drawable,raw->gc,&(pvt->pDraw),&(pvt->pGC))) return(FALSE); /* * check for: constrained, single-band, and levels matching drawable depth */ if(IsntConstrained(src->format[0].class) || src->bands != 1 || pvt->pDraw->depth != src->format[0].depth) MatchError(flo,ped, return(FALSE)); /* * grab a copy of the input attributes and propagate them to our output */ dst->bands = inf->bands = src->bands; df[0] = inf->format[0] = src->format[0]; /* search for the stride and pitch requirements that match our depth */ for(f = 0; (f < screenInfo.numPixmapFormats && df[0].depth != screenInfo.formats[f].depth); ++f); if(f == screenInfo.numPixmapFormats) DrawableError(flo,ped,raw->drawable, return(FALSE)); right_padm1 = screenInfo.formats[f].scanlinePad - 1; df[0].stride = screenInfo.formats[f].bitsPerPixel; df[0].pitch = (df[0].width * df[0].stride + right_padm1) & ~right_padm1; return(TRUE); } /* end PrepEDraw */ /*------------------------------------------------------------------------ --- callable version of GetGCAndDrawableAndValidate (from extension.h) --- --- made callable because the macro version returned standard X errors --- ------------------------------------------------------------------------*/ Bool DrawableAndGC( floDefPtr flo, peDefPtr ped, Drawable draw_id, GContext gc_id, DrawablePtr *draw_ret, GCPtr *gc_ret) { register ClientPtr client = flo->runClient; register DrawablePtr draw; register GCPtr gc; if(client->clientGone) AccessError(flo,ped, return(FALSE)); if((client->lastDrawableID != draw_id) || (client->lastGCID != gc_id)) { if(client->lastDrawableID != draw_id) draw = (DrawablePtr)LookupIDByClass(draw_id, RC_DRAWABLE); else draw = client->lastDrawable; if(client->lastGCID != gc_id) gc = (GCPtr)LookupIDByType(gc_id, RT_GC); else gc = client->lastGC; if(draw && gc) { if((draw->type == UNDRAWABLE_WINDOW) || (gc->depth != draw->depth) || (gc->pScreen != draw->pScreen)) MatchError(flo,ped, return(FALSE)); client->lastDrawable = draw; client->lastDrawableID = draw_id; client->lastGC = gc; client->lastGCID = gc_id; } } else { gc = client->lastGC; draw = client->lastDrawable; } if(!draw) { client->errorValue = draw_id; DrawableError(flo,ped,draw_id, return(FALSE)); } if(!gc) { client->errorValue = gc_id; GCError(flo,ped,gc_id, return(FALSE)); } if(gc->serialNumber != draw->serialNumber) ValidateGC(draw, gc); *draw_ret = draw; *gc_ret = gc; return(TRUE); } /* end DrawableAndGC */ /* end module edraw.c */