/* $XConsortium: midraw.c,v 1.9 94/04/17 20:34:52 rws Exp $ */ /**** module midraw.c ****/ /****************************************************************************** Copyright (c) 1993, 1994 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. 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". AGE LOGIC MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED. By way of example, but not limitation, AGE LOGIC MAKE NO REPRESENTATIONS OR WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE SOFTWARE DOES NOT INFRINGE THIRD-PARTY PROPRIETARY RIGHTS. AGE LOGIC SHALL BEAR NO LIABILITY FOR ANY USE OF THIS SOFTWARE. IN NO EVENT SHALL EITHER PARTY BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOSS OF PROFITS, REVENUE, DATA OR USE, INCURRED BY EITHER PARTY OR ANY THIRD PARTY, WHETHER IN AN ACTION IN CONTRACT OR TORT OR BASED ON A WARRANTY, EVEN IF AGE LOGIC LICENSEES HEREUNDER HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. The name of AGE Logic, Inc. may not be used in advertising or publicity pertaining to this software without specific, written prior permission from AGE Logic. Title to this software shall at all times remain with AGE Logic, Inc. ***************************************************************************** midraw.c -- DDXIE prototype import drawable element Larry Hare -- AGE Logic, Inc. June, 1993 *****************************************************************************/ #define _XIEC_IDRAW #define _XIEC_MIDRAW /* * Include files */ #include /* * Core X Includes */ #include #include /* * XIE Includes */ #include #include /* * more X server includes. */ #include #include #include #include #include #include #include /* * Server XIE Includes */ #include #include #include #include #include #include DrawablePtr ValDrawable(); /* * routines referenced by other DDXIE modules */ int miAnalyzeIDraw(); /* * routines used internal to this module */ static int CreateIDraw(); static int InitializeIDraw(); static int ActivateIDrawStrip(); static int ActivateIDrawAlign(); static int ActivateIDrawP(); static int ResetIDraw(); static int DestroyIDraw(); static void adjustStride4to8(); static void adjustStride24to32(); static Bool XIEGetImage(); /* * DDXIE ImportDrawable && ImportDrawablePlane entry points */ static ddElemVecRec miDrawVec = { CreateIDraw, InitializeIDraw, ActivateIDrawStrip, (xieIntProc)NULL, ResetIDraw, DestroyIDraw }; static ddElemVecRec miDrawPVec = { CreateIDraw, InitializeIDraw, ActivateIDrawP, (xieIntProc)NULL, ResetIDraw, DestroyIDraw }; typedef struct _midraw { RegionPtr pExposed; RegionRec Exposed; xieVoidProc adjust; } miDrawRec, *miDrawPtr; /*------------------------------------------------------------------------ ------------------- see if we can handle this element -------------------- ------------------------------------------------------------------------*/ int miAnalyzeIDraw(flo,ped) floDefPtr flo; peDefPtr ped; { /* for now just stash our entry point vector in the peDef */ ped->ddVec = miDrawVec; return(TRUE); } /* end miAnalyzeIDraw */ int miAnalyzeIDrawP(flo,ped) floDefPtr flo; peDefPtr ped; { /* for now just stash our entry point vector in the peDef */ ped->ddVec = miDrawPVec; return(TRUE); } /* end miAnalyzeIDrawP */ /*------------------------------------------------------------------------ ---------------------------- create peTex . . . -------------------------- ------------------------------------------------------------------------*/ static int CreateIDraw(flo,ped) floDefPtr flo; peDefPtr ped; { /* attach an execution context to the photo element definition */ return MakePETex(flo, ped, sizeof(miDrawRec), NO_SYNC, NO_SYNC); } /* end CreateIDraw */ /*------------------------------------------------------------------------ ---------------------------- initialize peTex . . . ---------------------- ------------------------------------------------------------------------*/ static int InitializeIDraw(flo,ped) floDefPtr flo; peDefPtr ped; { iDrawDefPtr dix = (iDrawDefPtr) ped->elemPvt; miDrawPtr ddx = (miDrawPtr) ped->peTex->private; formatPtr sf = &ped->inFloLst[SRCtag].format[0]; formatPtr df = &ped->outFlo.format[0]; BOOL notify; if(((xieFloImportDrawable*)ped->elemRaw)->elemType==xieElemImportDrawable) { Bool adj_stride = sf->stride != df->stride; Bool adj_pitch = sf->pitch != df->pitch; if(adj_stride || adj_pitch) { ped->ddVec.activate = ActivateIDrawAlign; if(adj_stride) { if(sf->stride == 24 && df->stride == 32) ddx->adjust = adjustStride24to32; else if(sf->stride == 4 && df->stride == 8) ddx->adjust = adjustStride4to8; /* add more adjustment routines as required */ } } else { ped->ddVec.activate = ActivateIDrawStrip; } notify = ((xieFloImportDrawable*)ped->elemRaw)->notify; } else notify = ((xieFloImportDrawablePlane*)ped->elemRaw)->notify; if(notify && dix->pDraw->type != DRAWABLE_PIXMAP) { ddx->pExposed = &ddx->Exposed; (*dix->pDraw->pScreen->RegionInit) (ddx->pExposed, NullBox, 0); } /* note: ImportResource elements don't use their receptors */ return InitEmitter(flo,ped,NO_DATAMAP,NO_INPLACE); } /* end InitializeIDraw */ /*------------------------------------------------------------------------ ----------------------------- crank some data ---------------------------- ------------------------------------------------------------------------*/ static int ActivateIDrawAlign(flo,ped,pet) floDefPtr flo; peDefPtr ped; peTexPtr pet; { xieFloImportDrawable *raw = (xieFloImportDrawable *) ped->elemRaw; miDrawPtr ddx = (miDrawPtr) pet->private; bandPtr bnd = &pet->emitter[0]; DrawablePtr pDraw = ValDrawable(flo,ped,raw->drawable); char *dst = (char*)GetCurrentDst(flo,pet,bnd); CARD16 width = bnd->format->width; if(!pDraw || !dst) return FALSE; do { if(!XIEGetImage(pDraw, /* drawable */ (CARD16) raw->srcX, /* drawable-x */ (CARD16)(raw->srcY+bnd->current), /* drawable-y */ (CARD16) width, (CARD16)1, /* width, height */ (CARD32)ZPixmap, /* data format */ (CARD32)~0, /* plane mask */ dst, /* data buffer */ raw->fill, /* augment */ ddx->pExposed /* accumulate */ )) DrawableError(flo,ped,raw->drawable, return(FALSE)); if(ddx->adjust) (*ddx->adjust)(dst, width); } while(dst = (char*)GetNextDst(flo,pet,bnd,FLUSH)); return TRUE; } /* end ActivateIDrawAlign */ /*------------------------------------------------------------------------ ----------------------------- crank some data ---------------------------- ------------------------------------------------------------------------*/ static int ActivateIDrawStrip(flo,ped,pet) floDefPtr flo; peDefPtr ped; peTexPtr pet; { xieFloImportDrawable *raw = (xieFloImportDrawable *) ped->elemRaw; miDrawPtr ddx = (miDrawPtr) pet->private; bandPtr bnd = &pet->emitter[0]; char *dst; DrawablePtr pDraw; if (!(pDraw = ValDrawable(flo,ped,raw->drawable))) return FALSE; if (!(dst = (char*)GetCurrentDst(flo,pet,bnd))) return FALSE; if(!XIEGetImage( pDraw, /* drawable */ (CARD16) raw->srcX, /* drawable-x */ (CARD16)(raw->srcY+bnd->minLocal), /* drawable-y */ (CARD16)(bnd->format->width), /* width */ (CARD16)(bnd->strip->length), /* height */ (CARD32)ZPixmap, /* data format */ (CARD32)~0, /* plane mask */ dst, /* data buffer */ raw->fill, /* augment */ ddx->pExposed /* accumulate */ )) DrawableError(flo,ped,raw->drawable, return(FALSE)); PutData(flo,pet,bnd,bnd->maxLocal); return TRUE; } /* end ActivateIDrawStrip */ static int ActivateIDrawP(flo,ped,pet) floDefPtr flo; peDefPtr ped; peTexPtr pet; { xieFloImportDrawablePlane *raw = (xieFloImportDrawablePlane *) ped->elemRaw; miDrawPtr ddx = (miDrawPtr) pet->private; bandPtr bnd = &pet->emitter[0]; char *dst; DrawablePtr pDraw; if (!(pDraw = ValDrawable(flo,ped,raw->drawable))) return FALSE; if(!(dst = (char*)GetCurrentDst(flo,pet,bnd))) return FALSE; if(!XIEGetImage( pDraw, /* drawable */ (CARD16)(raw->srcX), /* drawable-x */ (CARD16)(raw->srcY+bnd->minLocal), /* drawable-y */ (CARD16)(bnd->format->width), /* width */ (CARD16)(bnd->strip->length), /* height */ (CARD32)XYPixmap, /* data format */ raw->bitPlane, /* plane mask */ dst, /* data buffer */ raw->fill, /* augment */ ddx->pExposed /* accumulate */ )) DrawableError(flo,ped,raw->drawable, return(FALSE)); #if (BITMAP_BIT_ORDER != IMAGE_BYTE_ORDER) { int nb = bnd->pitch * bnd->strip->length; while (nb--) *dst++ = (char)_ByteReverseTable[*dst]; } #endif PutData(flo,pet,bnd,bnd->maxLocal); return TRUE; } /* end ActivateIDrawP */ /*------------------------------------------------------------------------ ------------------------ get rid of run-time stuff ----------------------- ------------------------------------------------------------------------*/ static void FlushExposeEvents(flo,ped) floDefPtr flo; peDefPtr ped; { xieFloImportDrawablePlane *raw = (xieFloImportDrawablePlane *) ped->elemRaw; miDrawPtr pvt = (miDrawPtr) ped->peTex->private; if (pvt->pExposed) { RegionPtr rp = pvt->pExposed; DrawablePtr pDraw = ValDrawable(flo,ped,raw->drawable); int numrects = REGION_NUM_RECTS(rp); if (pDraw) { if (numrects > 0 && !ferrCode(flo) && !flo->flags.aborted) { BoxPtr rects = REGION_RECTS(rp); /* if numrects is large, send 1 event for extents ?? */ for ( ; numrects > 0; numrects--, rects++) { SendImportObscuredEvent(flo,ped,raw->drawable, rects->x1, rects->y1, rects->x2 - rects->x1, rects->y2 - rects->y1); } } (*pDraw->pScreen->RegionUninit) (rp); } /* else Memory Leak */ pvt->pExposed = NullRegion; } } /* end FlushExposeEvents */ static int ResetIDraw(flo,ped) floDefPtr flo; peDefPtr ped; { FlushExposeEvents(flo,ped); ResetEmitter(ped); return(TRUE); } /* end ResetIDraw */ /*------------------------------------------------------------------------ -------------------------- get rid of this element ----------------------- ------------------------------------------------------------------------*/ static int DestroyIDraw(flo,ped) floDefPtr flo; peDefPtr ped; { /* get rid of the peTex structure */ ped->peTex = (peTexPtr) XieFree(ped->peTex); /* zap this element's entry point vector */ ped->ddVec.create = (xieIntProc) NULL; ped->ddVec.initialize = (xieIntProc) NULL; ped->ddVec.activate = (xieIntProc) NULL; ped->ddVec.reset = (xieIntProc) NULL; ped->ddVec.destroy = (xieIntProc) NULL; return(TRUE); } /* end DestroyIDraw */ /*------------------------------------------------------------------------ --- similar to GetGCAndDrawableAndValidate (from extension.h) --- --- made callable because the macro version returned standard X errors --- ------------------------------------------------------------------------*/ DrawablePtr ValDrawable(flo,ped,draw_id) floDefPtr flo; peDefPtr ped; Drawable draw_id; { register ClientPtr client = flo->runClient; register DrawablePtr draw; if (client->clientGone) return(NULL); if (client->lastDrawableID != draw_id) { draw = (DrawablePtr)LookupIDByClass(draw_id, RC_DRAWABLE); if (draw->type == UNDRAWABLE_WINDOW) MatchError(flo,ped, return(NULL)); client->lastDrawable = draw; client->lastDrawableID = draw_id; } else { draw = client->lastDrawable; } if(!draw) { client->errorValue = draw_id; DrawableError(flo,ped,draw_id, return(NULL)); } return draw; } /* end ValDrawable */ /* ** In order to support 'fill' and 'expose events' we must layer some ** code on top of the normal screen GetImage procedure. Use the defined ** backing store interface that aid's in copy expose processing, to try ** to knowingly recover backing store. Keep track of remaining regions ** which were not visible or in backing store. Always fill such leftover ** regions, and queue them up for later expose event processing. */ static Bool XIEGetImage (pDrawable, sx, sy, w, h, format, pmask, pdst, fill, Exposed) DrawablePtr pDrawable; CARD16 sx, sy, w, h; CARD32 format; CARD32 pmask; char *pdst; CARD32 fill; RegionPtr Exposed; { ScreenPtr pScreen = pDrawable->pScreen; BoxRec bounds; unsigned char depth; if(pDrawable->type != DRAWABLE_PIXMAP && (sx + w > pDrawable->width || sy + h > pDrawable->height)) return(FALSE); if(pDrawable->type != DRAWABLE_PIXMAP && ((WindowPtr)pDrawable)->visibility != VisibilityUnobscured) { PixmapPtr pPixmap; GCPtr pGC; WindowPtr pWin, pSrcWin; RegionRec Remaining; BoxPtr pBox; int i; int x, y; xRectangle *pRect; int numRects; pWin = (WindowPtr) pDrawable; pPixmap = 0; depth = pDrawable->depth; bounds.x1 = sx + pDrawable->x; bounds.y1 = sy + pDrawable->y; bounds.x2 = bounds.x1 + w; bounds.y2 = bounds.y1 + h; (*pScreen->RegionInit) (&Remaining, &bounds, 0); if (!(pPixmap = (*pScreen->CreatePixmap) (pScreen, w, h, depth))) goto punt; if(!(pGC = GetScratchGC (depth, pScreen))) { (*pScreen->DestroyPixmap) (pPixmap); goto punt; } if (pWin->viewable && (*pScreen->RectIn) (&Remaining, (*pScreen->RegionExtents) (&pWin->borderSize)) != rgnOUT) { XID subWindowMode = IncludeInferiors; ChangeGC (pGC, GCSubwindowMode, &subWindowMode); ValidateGC ((DrawablePtr)pPixmap, pGC); pSrcWin = (WindowPtr) pDrawable; x = sx; y = sy; if (pSrcWin->parent) { x += pSrcWin->origin.x; y += pSrcWin->origin.y; pSrcWin = pSrcWin->parent; } (*pGC->ops->CopyArea) ((DrawablePtr)pSrcWin, (DrawablePtr)pPixmap, pGC, x, y, w, h, 0, 0); (*pScreen->Subtract) (&Remaining, &Remaining, &((WindowPtr) pDrawable)->borderClip); if (REGION_NUM_RECTS(&Remaining) == 0) goto done; } (*pScreen->TranslateRegion) (&Remaining, -pWin->drawable.x, -pWin->drawable.y); /* Copy in Backstore now */ if (pWin->backStorage) { (*pWin->drawable.pScreen->ExposeCopy) (pWin, (DrawablePtr)pPixmap, pGC, &Remaining, sx, sy, 0, 0, 0); } /* Fill in Remaining Area now */ ChangeGC (pGC, GCForeground, &fill); ValidateGC ((DrawablePtr)pPixmap, pGC); numRects = REGION_NUM_RECTS(&Remaining); pBox = REGION_RECTS(&Remaining); pRect = (xRectangle *)ALLOCATE_LOCAL(numRects * sizeof(xRectangle)); if (pRect) { for (i = numRects; --i >= 0; pBox++, pRect++) { pRect->x = pBox->x1 - sx; pRect->y = pBox->y1 - sy; pRect->width = pBox->x2 - pBox->x1; pRect->height = pBox->y2 - pBox->y1; } pRect -= numRects; (*pGC->ops->PolyFillRect) ((DrawablePtr)pPixmap, pGC, numRects, pRect); DEALLOCATE_LOCAL (pRect); } /* Accumulate Exposures if requested */ if (REGION_NUM_RECTS(&Remaining) > 0) { if (Exposed) { (*pScreen->Union) (Exposed, Exposed, &Remaining); } } done: (*pScreen->RegionUninit) (&Remaining); (*pScreen->GetImage) ((DrawablePtr) pPixmap, 0, 0, w, h, format, pmask, pdst); (*pScreen->DestroyPixmap) (pPixmap); FreeScratchGC (pGC); } else { punt: ; (*pScreen->GetImage) (pDrawable, sx, sy, w, h, format, pmask, pdst); } return(TRUE); } static void adjustStride24to32(buf,width) char *buf; CARD32 width; { register BytePixel *ip = (BytePixel*)(&buf[3 * width]); register QuadPixel *op = (QuadPixel*)(&buf[4 * width]); int i; for(i = width; i; --i) #if (IMAGE_BYTE_ORDER == LSBFirst && IMAGE_BYTE_ORDER == BITMAP_BIT_ORDER || IMAGE_BYTE_ORDER == MSBFirst && IMAGE_BYTE_ORDER != BITMAP_BIT_ORDER) { ip -= 3; *(--op) = (int)ip[2]<<16 | (int)ip[1]<<8 | (int)ip[0]; } #else { ip -= 3; *(--op) = (int)ip[0]<<16 | (int)ip[1]<<8 | (int)ip[2]; } #endif } static void adjustStride4to8(buf,width) char *buf; CARD32 width; { register BytePixel *ip = (BytePixel*)(&buf[1 * width]); register BytePixel *op = (BytePixel*)(&buf[2 * width]); int i; for(i = width; i; --i) #if (IMAGE_BYTE_ORDER == LSBFirst && IMAGE_BYTE_ORDER == BITMAP_BIT_ORDER || IMAGE_BYTE_ORDER == MSBFirst && IMAGE_BYTE_ORDER != BITMAP_BIT_ORDER) { *(--op) = *(--ip) & (BytePixel)0x0f; *(--op) = *ip >> 4; } #else { *(--op) = *(--ip) >> 4; *(--op) = *ip & (BytePixel)0x0f; } #endif } /* end module midraw.c */