/* $Xorg: medraw.c,v 1.3 2000/08/17 19:47:35 cpqbld Exp $ */ /**** module medraw.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". 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. ***************************************************************************** medraw.c -- DDXIE prototype export drawable element Robert NC Shelley -- AGE Logic, Inc. April, 1993 *****************************************************************************/ /* $XFree86: xc/programs/Xserver/XIE/mixie/export/medraw.c,v 3.5 2001/01/17 22:13:02 dawes Exp $ */ #define _XIEC_MEDRAW #define _XIEC_EDRAW /* * Include files */ /* * Core X Includes */ #include #include /* * XIE Includes */ #include #include /* * more X server includes. */ #include #include #include #include /* * Server XIE Includes */ #include #include #include #include #include #include /* * routines referenced by other DDXIE modules */ extern int miAnalyzeEDraw(floDefPtr flo, peDefPtr ped); /* * routines used internal to this module */ static int CreateEDraw(floDefPtr flo, peDefPtr ped); static int InitializeEDraw(floDefPtr flo, peDefPtr ped); static int ActivateEDrawAlign(floDefPtr flo, peDefPtr ped, peTexPtr pet); static int ActivateEDrawStrip(floDefPtr flo, peDefPtr ped, peTexPtr pet); static int ResetEDraw(floDefPtr flo, peDefPtr ped); static int DestroyEDraw(floDefPtr flo, peDefPtr ped); static void adjustStride8to4(char *dst, char *src, CARD32 width); static void adjustStride32to24(char *dst, char *src, CARD32 width); extern Bool DrawableAndGC(); /* * DDXIE ExportDrawable entry points */ static ddElemVecRec EDrawVec = { CreateEDraw, InitializeEDraw, (xieIntProc)NULL, (xieIntProc)NULL, ResetEDraw, DestroyEDraw }; typedef struct _medraw { xieVoidProc adjust; char *buf; } meDrawRec, *meDrawPtr; /*------------------------------------------------------------------------ ------------------- see if we can handle this element -------------------- ------------------------------------------------------------------------*/ int miAnalyzeEDraw(floDefPtr flo, peDefPtr ped) { /* for now just stash our entry point vector in the peDef */ ped->ddVec = EDrawVec; return(TRUE); } /* end miAnalyzeEDraw */ /*------------------------------------------------------------------------ ---------------------------- create peTex . . . -------------------------- ------------------------------------------------------------------------*/ static int CreateEDraw(floDefPtr flo, peDefPtr ped) { /* attach an execution context to the photo element definition */ return MakePETex(flo, ped, sizeof(meDrawRec), NO_SYNC, NO_SYNC); } /* end CreateEDraw */ /*------------------------------------------------------------------------ ---------------------------- initialize peTex . . . ---------------------- ------------------------------------------------------------------------*/ static int InitializeEDraw(floDefPtr flo, peDefPtr ped) { peTexPtr pet = ped->peTex; meDrawPtr ddx = (meDrawPtr) pet->private; formatPtr sf = &ped->inFloLst[SRCtag].format[0]; formatPtr df = &ped->outFlo.format[0]; Bool adj_stride = sf->stride != df->stride; Bool adj_pitch = sf->pitch != df->pitch; if(adj_stride || adj_pitch) { ped->ddVec.activate = ActivateEDrawAlign; if(adj_stride) { if(!(ddx->buf = (char*) XieMalloc(df->pitch>>3))) AllocError(flo,ped, return(FALSE)); if(sf->stride == 32 && df->stride == 24) ddx->adjust = adjustStride32to24; else if(sf->stride == 8 && df->stride == 4) ddx->adjust = adjustStride8to4; /* add more adjustment routines as required */ } } else { ped->ddVec.activate = ActivateEDrawStrip; } return(InitReceptors(flo,ped,NO_DATAMAP,1)); } /* end InitializeEDraw */ /*------------------------------------------------------------------------ ----------------------------- crank some data ---------------------------- ------------------------------------------------------------------------*/ static int ActivateEDrawAlign(floDefPtr flo, peDefPtr ped, peTexPtr pet) { xieFloExportDrawable *raw = (xieFloExportDrawable *) ped->elemRaw; eDrawDefPtr dix = (eDrawDefPtr) ped->elemPvt; meDrawPtr ddx = (meDrawPtr) pet->private; bandPtr bnd = &pet->receptor[SRCtag].band[0]; char *dst, *src = (char*)GetCurrentSrc(flo,pet,bnd); CARD32 width = bnd->format->width; if (!DrawableAndGC(flo,ped,raw->drawable,raw->gc,&dix->pDraw,&dix->pGC)) return FALSE; do { if(ddx->adjust) { dst = AlterSrc(flo,pet,bnd->strip) ? src : ddx->buf; (*ddx->adjust)(dst, src, width); } else dst = src; (*dix->pGC->ops->PutImage)(dix->pDraw, /* drawable */ dix->pGC, /* gc */ dix->pDraw->depth, /* depth */ raw->dstX, /* drawable-x */ raw->dstY + bnd->current, /* drawable-y */ width, 1, /* width, height */ bnd->strip->bitOff, /* padding? */ ZPixmap, /* data format */ dst /* data buffer */ ); } while ((src = (char*)GetNextSrc(flo,pet,bnd,KEEP)) != 0); /* make sure the scheduler knows how much src we used */ FreeData(flo,pet,bnd,bnd->current); return(TRUE); } /* end ActivateEDrawAlign */ /*------------------------------------------------------------------------ ----------------------------- crank some data ---------------------------- ------------------------------------------------------------------------*/ static int ActivateEDrawStrip(floDefPtr flo, peDefPtr ped, peTexPtr pet) { xieFloExportDrawable *raw = (xieFloExportDrawable *) ped->elemRaw; eDrawDefPtr pvt = (eDrawDefPtr) ped->elemPvt; bandPtr bnd = &pet->receptor[SRCtag].band[0]; char *src = (char*)GetCurrentSrc(flo,pet,bnd); if(src) { if (!DrawableAndGC(flo,ped,raw->drawable,raw->gc,&pvt->pDraw,&pvt->pGC)) return FALSE; do (*pvt->pGC->ops->PutImage)(pvt->pDraw, /* drawable */ pvt->pGC, /* gc */ pvt->pDraw->depth, /* depth */ raw->dstX, /* drawable-x */ raw->dstY+bnd->minLocal, /* drawable-y */ bnd->format->width, /* width */ bnd->strip->length, /* height */ bnd->strip->bitOff, /* padding? */ ZPixmap, /* data format */ src /* data buffer */ ); while ((src = (char*)GetSrc(flo,pet,bnd,bnd->maxLocal,KEEP)) != 0); } /* make sure the scheduler knows how much src we used */ FreeData(flo,pet,bnd,bnd->current); return(TRUE); } /* end ActivateEDrawStrip */ /*------------------------------------------------------------------------ ------------------------ get rid of run-time stuff ----------------------- ------------------------------------------------------------------------*/ static int ResetEDraw(floDefPtr flo, peDefPtr ped) { meDrawPtr ddx = (meDrawPtr) ped->peTex->private; if(ddx->buf) ddx->buf = (char*)XieFree(ddx->buf); ddx->adjust = (xieVoidProc)NULL; ResetReceptors(ped); return(TRUE); } /* end ResetEDraw */ /*------------------------------------------------------------------------ -------------------------- get rid of this element ----------------------- ------------------------------------------------------------------------*/ static int DestroyEDraw(floDefPtr flo, peDefPtr ped) { /* get rid of the peTex structure */ if(ped->peTex) 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 DestroyEDraw */ /*------------------------------------------------------------------------ ---------------------------- alignment routines -------------------------- ------------------------------------------------------------------------*/ static void adjustStride32to24(char *dst, char *src, CARD32 width) { register char *ip, *op; CARD32 i; #if (BITMAP_BIT_ORDER == IMAGE_BYTE_ORDER) ip = src; op = dst; for(i = 0; i < width; ip += 2, ++i) { *op++ = *ip++; *op++ = *ip++; *op++ = *ip; } #else /* we'll do the first 2 pixels by hand in case we're doing this in-place */ char tmp = src[0]; dst[0] = src[2]; dst[2] = tmp; if(width > 1) { tmp = src[4]; dst[3] = src[6]; dst[4] = src[5]; dst[5] = tmp; } if(width > 2) { ip = src + 8; op = dst + 6; for(i = 2; i < width; ip += 4, ++i) { *op++ = ip[2]; *op++ = ip[1]; *op++ = *ip; } } #endif } static void adjustStride8to4(char *dst, char *src, CARD32 width) { register char *ip = src, *op = dst; CARD32 i; for(i = 0; i < width; ip += 2, ++i) { #if (BITMAP_BIT_ORDER == LSBFirst) *op++ = *ip | *(ip+1)<<8; #else *op++ = *ip<<8 | *(ip+1); #endif } } /* end module medraw.c */