From 1c94119ae26b94a60bb2c2b33494ed43c3b8a52f Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 16 May 2010 20:50:58 +0000 Subject: svn merge -r588:HEAD ^/branches/released . --- xorg-server/hw/xfree86/shadowfb/shadow.c | 3458 +++++++++++++++--------------- 1 file changed, 1729 insertions(+), 1729 deletions(-) (limited to 'xorg-server/hw/xfree86/shadowfb') diff --git a/xorg-server/hw/xfree86/shadowfb/shadow.c b/xorg-server/hw/xfree86/shadowfb/shadow.c index 1c8170104..9e847f4d2 100644 --- a/xorg-server/hw/xfree86/shadowfb/shadow.c +++ b/xorg-server/hw/xfree86/shadowfb/shadow.c @@ -1,1729 +1,1729 @@ -/* - Copyright (C) 1999. The XFree86 Project Inc. - - Written by Mark Vojkovich (mvojkovi@ucsd.edu) - - Pre-fb-write callbacks and RENDER support - Nolan Leake (nolan@vmware.com) -*/ - - -#ifdef HAVE_XORG_CONFIG_H -#include -#endif - -#include -#include -#include "misc.h" -#include "pixmapstr.h" -#include "input.h" -#include -#include "mi.h" -#include "scrnintstr.h" -#include "windowstr.h" -#include "gcstruct.h" -#include "dixfontstr.h" -#include -#include "xf86.h" -#include "xf86str.h" -#include "shadowfb.h" - -# include "picturestr.h" - -static Bool ShadowCloseScreen (int i, ScreenPtr pScreen); -static void ShadowCopyWindow( - WindowPtr pWin, - DDXPointRec ptOldOrg, - RegionPtr prgn -); -static Bool ShadowCreateGC(GCPtr pGC); -static Bool ShadowModifyPixmapHeader( - PixmapPtr pPixmap, - int width, - int height, - int depth, - int bitsPerPixel, - int devKind, - pointer pPixData -); - -static Bool ShadowEnterVT(int index, int flags); -static void ShadowLeaveVT(int index, int flags); - -static void ShadowComposite( - CARD8 op, - PicturePtr pSrc, - PicturePtr pMask, - PicturePtr pDst, - INT16 xSrc, - INT16 ySrc, - INT16 xMask, - INT16 yMask, - INT16 xDst, - INT16 yDst, - CARD16 width, - CARD16 height -); - - -typedef struct { - ScrnInfoPtr pScrn; - RefreshAreaFuncPtr preRefresh; - RefreshAreaFuncPtr postRefresh; - CloseScreenProcPtr CloseScreen; - CopyWindowProcPtr CopyWindow; - CreateGCProcPtr CreateGC; - ModifyPixmapHeaderProcPtr ModifyPixmapHeader; - CompositeProcPtr Composite; - Bool (*EnterVT)(int, int); - void (*LeaveVT)(int, int); - Bool vtSema; -} ShadowScreenRec, *ShadowScreenPtr; - -typedef struct { - GCOps *ops; - GCFuncs *funcs; -} ShadowGCRec, *ShadowGCPtr; - - -static int ShadowScreenKeyIndex; -static DevPrivateKey ShadowScreenKey = &ShadowScreenKeyIndex; -static int ShadowGCKeyIndex; -static DevPrivateKey ShadowGCKey = &ShadowGCKeyIndex; - -#define GET_SCREEN_PRIVATE(pScreen) \ - (ShadowScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, ShadowScreenKey) -#define GET_GC_PRIVATE(pGC) \ - (ShadowGCPtr)dixLookupPrivate(&(pGC)->devPrivates, ShadowGCKey) - -#define SHADOW_GC_FUNC_PROLOGUE(pGC)\ - ShadowGCPtr pGCPriv = GET_GC_PRIVATE(pGC);\ - (pGC)->funcs = pGCPriv->funcs;\ - if(pGCPriv->ops)\ - (pGC)->ops = pGCPriv->ops - -#define SHADOW_GC_FUNC_EPILOGUE(pGC)\ - pGCPriv->funcs = (pGC)->funcs;\ - (pGC)->funcs = &ShadowGCFuncs;\ - if(pGCPriv->ops) {\ - pGCPriv->ops = (pGC)->ops;\ - (pGC)->ops = &ShadowGCOps;\ - } - -#define SHADOW_GC_OP_PROLOGUE(pGC)\ - ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pGC->pScreen); \ - ShadowGCPtr pGCPriv = GET_GC_PRIVATE(pGC);\ - GCFuncs *oldFuncs = pGC->funcs;\ - pGC->funcs = pGCPriv->funcs;\ - pGC->ops = pGCPriv->ops - - -#define SHADOW_GC_OP_EPILOGUE(pGC)\ - pGCPriv->ops = pGC->ops;\ - pGC->funcs = oldFuncs;\ - pGC->ops = &ShadowGCOps - -#define IS_VISIBLE(pWin) (pPriv->vtSema && \ - (((WindowPtr)pWin)->visibility != VisibilityFullyObscured)) - -#define TRIM_BOX(box, pGC) { \ - BoxPtr extents = &pGC->pCompositeClip->extents;\ - if(box.x1 < extents->x1) box.x1 = extents->x1; \ - if(box.x2 > extents->x2) box.x2 = extents->x2; \ - if(box.y1 < extents->y1) box.y1 = extents->y1; \ - if(box.y2 > extents->y2) box.y2 = extents->y2; \ - } - -#define TRANSLATE_BOX(box, pDraw) { \ - box.x1 += pDraw->x; \ - box.x2 += pDraw->x; \ - box.y1 += pDraw->y; \ - box.y2 += pDraw->y; \ - } - -#define TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC) { \ - TRANSLATE_BOX(box, pDraw); \ - TRIM_BOX(box, pGC); \ - } - -#define BOX_NOT_EMPTY(box) \ - (((box.x2 - box.x1) > 0) && ((box.y2 - box.y1) > 0)) - - - -Bool -ShadowFBInit2 ( - ScreenPtr pScreen, - RefreshAreaFuncPtr preRefreshArea, - RefreshAreaFuncPtr postRefreshArea -){ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - ShadowScreenPtr pPriv; - PictureScreenPtr ps = GetPictureScreenIfSet(pScreen); - - if(!preRefreshArea && !postRefreshArea) return FALSE; - - if(!dixRequestPrivate(ShadowGCKey, sizeof(ShadowGCRec))) - return FALSE; - - if(!(pPriv = (ShadowScreenPtr)xalloc(sizeof(ShadowScreenRec)))) - return FALSE; - - dixSetPrivate(&pScreen->devPrivates, ShadowScreenKey, pPriv); - - pPriv->pScrn = pScrn; - pPriv->preRefresh = preRefreshArea; - pPriv->postRefresh = postRefreshArea; - pPriv->vtSema = TRUE; - - pPriv->CloseScreen = pScreen->CloseScreen; - pPriv->CopyWindow = pScreen->CopyWindow; - pPriv->CreateGC = pScreen->CreateGC; - pPriv->ModifyPixmapHeader = pScreen->ModifyPixmapHeader; - - pPriv->EnterVT = pScrn->EnterVT; - pPriv->LeaveVT = pScrn->LeaveVT; - - pScreen->CloseScreen = ShadowCloseScreen; - pScreen->CopyWindow = ShadowCopyWindow; - pScreen->CreateGC = ShadowCreateGC; - pScreen->ModifyPixmapHeader = ShadowModifyPixmapHeader; - - pScrn->EnterVT = ShadowEnterVT; - pScrn->LeaveVT = ShadowLeaveVT; - - if(ps) { - pPriv->Composite = ps->Composite; - ps->Composite = ShadowComposite; - } - - return TRUE; -} - -Bool -ShadowFBInit ( - ScreenPtr pScreen, - RefreshAreaFuncPtr refreshArea -){ - return ShadowFBInit2(pScreen, NULL, refreshArea); -} - -/**********************************************************/ - -static Bool -ShadowEnterVT(int index, int flags) -{ - ScrnInfoPtr pScrn = xf86Screens[index]; - ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScrn->pScreen); - - if((*pPriv->EnterVT)(index, flags)) { - pPriv->vtSema = TRUE; - return TRUE; - } - - return FALSE; -} - -static void -ShadowLeaveVT(int index, int flags) -{ - ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(xf86Screens[index]->pScreen); - - pPriv->vtSema = FALSE; - - (*pPriv->LeaveVT)(index, flags); -} - -/**********************************************************/ - - -static Bool -ShadowCloseScreen (int i, ScreenPtr pScreen) -{ - ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; - ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen); - PictureScreenPtr ps = GetPictureScreenIfSet(pScreen); - - pScreen->CloseScreen = pPriv->CloseScreen; - pScreen->CopyWindow = pPriv->CopyWindow; - pScreen->CreateGC = pPriv->CreateGC; - pScreen->ModifyPixmapHeader = pPriv->ModifyPixmapHeader; - - pScrn->EnterVT = pPriv->EnterVT; - pScrn->LeaveVT = pPriv->LeaveVT; - - if(ps) { - ps->Composite = pPriv->Composite; - } - - xfree((pointer)pPriv); - - return (*pScreen->CloseScreen) (i, pScreen); -} - -static void -ShadowCopyWindow( - WindowPtr pWin, - DDXPointRec ptOldOrg, - RegionPtr prgn -){ - ScreenPtr pScreen = pWin->drawable.pScreen; - ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen); - int num = 0; - RegionRec rgnDst; - - if (pPriv->vtSema) { - REGION_NULL(pWin->drawable.pScreen, &rgnDst); - REGION_COPY(pWin->drawable.pScreen, &rgnDst, prgn); - - REGION_TRANSLATE(pWin->drawable.pScreen, &rgnDst, - pWin->drawable.x - ptOldOrg.x, - pWin->drawable.y - ptOldOrg.y); - REGION_INTERSECT(pScreen, &rgnDst, &pWin->borderClip, &rgnDst); - if ((num = REGION_NUM_RECTS(&rgnDst))) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, num, REGION_RECTS(&rgnDst)); - } else { - REGION_UNINIT(pWin->drawable.pScreen, &rgnDst); - } - } - - pScreen->CopyWindow = pPriv->CopyWindow; - (*pScreen->CopyWindow) (pWin, ptOldOrg, prgn); - pScreen->CopyWindow = ShadowCopyWindow; - - if (num) { - if (pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, num, REGION_RECTS(&rgnDst)); - REGION_UNINIT(pWin->drawable.pScreen, &rgnDst); - } -} - -static Bool -ShadowModifyPixmapHeader( - PixmapPtr pPixmap, - int width, - int height, - int depth, - int bitsPerPixel, - int devKind, - pointer pPixData -) -{ - ScreenPtr pScreen; - ScrnInfoPtr pScrn; - ShadowScreenPtr pPriv; - Bool retval; - PixmapPtr pScreenPix; - - if (!pPixmap) - return FALSE; - - pScreen = pPixmap->drawable.pScreen; - pScrn = xf86Screens[pScreen->myNum]; - - pScreenPix = (*pScreen->GetScreenPixmap)(pScreen); - - if (pPixmap == pScreenPix && !pScrn->vtSema) - pScreenPix->devPrivate = pScrn->pixmapPrivate; - - pPriv = GET_SCREEN_PRIVATE(pScreen); - - pScreen->ModifyPixmapHeader = pPriv->ModifyPixmapHeader; - retval = (*pScreen->ModifyPixmapHeader)(pPixmap, - width, height, depth, bitsPerPixel, devKind, pPixData); - pScreen->ModifyPixmapHeader = ShadowModifyPixmapHeader; - - if (pPixmap == pScreenPix && !pScrn->vtSema) - { - pScrn->pixmapPrivate = pScreenPix->devPrivate; - pScreenPix->devPrivate.ptr = 0; - } - return retval; -} - -static void -ShadowComposite( - CARD8 op, - PicturePtr pSrc, - PicturePtr pMask, - PicturePtr pDst, - INT16 xSrc, - INT16 ySrc, - INT16 xMask, - INT16 yMask, - INT16 xDst, - INT16 yDst, - CARD16 width, - CARD16 height -){ - ScreenPtr pScreen = pDst->pDrawable->pScreen; - ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen); - PictureScreenPtr ps = GetPictureScreen(pScreen); - BoxRec box; - BoxPtr extents; - Bool boxNotEmpty = FALSE; - - if (pPriv->vtSema - && pDst->pDrawable->type == DRAWABLE_WINDOW) { - - box.x1 = pDst->pDrawable->x + xDst; - box.y1 = pDst->pDrawable->y + yDst; - box.x2 = box.x1 + width; - box.y2 = box.y1 + height; - - extents = &pDst->pCompositeClip->extents; - if(box.x1 < extents->x1) box.x1 = extents->x1; - if(box.x2 > extents->x2) box.x2 = extents->x2; - if(box.y1 < extents->y1) box.y1 = extents->y1; - if(box.y2 > extents->y2) box.y2 = extents->y2; - - if (BOX_NOT_EMPTY(box)) { - if (pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } - - ps->Composite = pPriv->Composite; - (*ps->Composite)(op, pSrc, pMask, pDst, xSrc, ySrc, - xMask, yMask, xDst, yDst, width, height); - ps->Composite = ShadowComposite; - - if (pPriv->postRefresh && boxNotEmpty) { - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - } -} - -/**********************************************************/ - -static void ShadowValidateGC(GCPtr, unsigned long, DrawablePtr); -static void ShadowChangeGC(GCPtr, unsigned long); -static void ShadowCopyGC(GCPtr, unsigned long, GCPtr); -static void ShadowDestroyGC(GCPtr); -static void ShadowChangeClip(GCPtr, int, pointer, int); -static void ShadowDestroyClip(GCPtr); -static void ShadowCopyClip(GCPtr, GCPtr); - -GCFuncs ShadowGCFuncs = { - ShadowValidateGC, ShadowChangeGC, ShadowCopyGC, ShadowDestroyGC, - ShadowChangeClip, ShadowDestroyClip, ShadowCopyClip -}; - - -extern GCOps ShadowGCOps; - -static Bool -ShadowCreateGC(GCPtr pGC) -{ - ScreenPtr pScreen = pGC->pScreen; - ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen); - ShadowGCPtr pGCPriv = GET_GC_PRIVATE(pGC); - Bool ret; - - pScreen->CreateGC = pPriv->CreateGC; - if((ret = (*pScreen->CreateGC) (pGC))) { - pGCPriv->ops = NULL; - pGCPriv->funcs = pGC->funcs; - pGC->funcs = &ShadowGCFuncs; - } - pScreen->CreateGC = ShadowCreateGC; - - return ret; -} - - -static void -ShadowValidateGC( - GCPtr pGC, - unsigned long changes, - DrawablePtr pDraw -){ - SHADOW_GC_FUNC_PROLOGUE (pGC); - (*pGC->funcs->ValidateGC)(pGC, changes, pDraw); - if(pDraw->type == DRAWABLE_WINDOW) - pGCPriv->ops = pGC->ops; /* just so it's not NULL */ - else - pGCPriv->ops = NULL; - SHADOW_GC_FUNC_EPILOGUE (pGC); -} - - -static void -ShadowDestroyGC(GCPtr pGC) -{ - SHADOW_GC_FUNC_PROLOGUE (pGC); - (*pGC->funcs->DestroyGC)(pGC); - SHADOW_GC_FUNC_EPILOGUE (pGC); -} - -static void -ShadowChangeGC ( - GCPtr pGC, - unsigned long mask -){ - SHADOW_GC_FUNC_PROLOGUE (pGC); - (*pGC->funcs->ChangeGC) (pGC, mask); - SHADOW_GC_FUNC_EPILOGUE (pGC); -} - -static void -ShadowCopyGC ( - GCPtr pGCSrc, - unsigned long mask, - GCPtr pGCDst -){ - SHADOW_GC_FUNC_PROLOGUE (pGCDst); - (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst); - SHADOW_GC_FUNC_EPILOGUE (pGCDst); -} - -static void -ShadowChangeClip ( - GCPtr pGC, - int type, - pointer pvalue, - int nrects -){ - SHADOW_GC_FUNC_PROLOGUE (pGC); - (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects); - SHADOW_GC_FUNC_EPILOGUE (pGC); -} - -static void -ShadowCopyClip(GCPtr pgcDst, GCPtr pgcSrc) -{ - SHADOW_GC_FUNC_PROLOGUE (pgcDst); - (* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc); - SHADOW_GC_FUNC_EPILOGUE (pgcDst); -} - -static void -ShadowDestroyClip(GCPtr pGC) -{ - SHADOW_GC_FUNC_PROLOGUE (pGC); - (* pGC->funcs->DestroyClip)(pGC); - SHADOW_GC_FUNC_EPILOGUE (pGC); -} - - - - -/**********************************************************/ - - -static void -ShadowFillSpans( - DrawablePtr pDraw, - GC *pGC, - int nInit, - DDXPointPtr pptInit, - int *pwidthInit, - int fSorted -){ - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw) && nInit) { - DDXPointPtr ppt = pptInit; - int *pwidth = pwidthInit; - int i = nInit; - BoxRec box; - Bool boxNotEmpty = FALSE; - - box.x1 = ppt->x; - box.x2 = box.x1 + *pwidth; - box.y2 = box.y1 = ppt->y; - - while(--i) { - ppt++; - pwidth++; - if(box.x1 > ppt->x) box.x1 = ppt->x; - if(box.x2 < (ppt->x + *pwidth)) - box.x2 = ppt->x + *pwidth; - if(box.y1 > ppt->y) box.y1 = ppt->y; - else if(box.y2 < ppt->y) box.y2 = ppt->y; - } - - box.y2++; - - if(!pGC->miTranslate) { - TRANSLATE_BOX(box, pDraw); - } - TRIM_BOX(box, pGC); - - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - - (*pGC->ops->FillSpans)(pDraw, pGC, nInit, pptInit, pwidthInit, fSorted); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - } else - (*pGC->ops->FillSpans)(pDraw, pGC, nInit, pptInit, pwidthInit, fSorted); - - SHADOW_GC_OP_EPILOGUE(pGC); -} - -static void -ShadowSetSpans( - DrawablePtr pDraw, - GCPtr pGC, - char *pcharsrc, - DDXPointPtr pptInit, - int *pwidthInit, - int nspans, - int fSorted -){ - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw) && nspans) { - DDXPointPtr ppt = pptInit; - int *pwidth = pwidthInit; - int i = nspans; - BoxRec box; - Bool boxNotEmpty = FALSE; - - box.x1 = ppt->x; - box.x2 = box.x1 + *pwidth; - box.y2 = box.y1 = ppt->y; - - while(--i) { - ppt++; - pwidth++; - if(box.x1 > ppt->x) box.x1 = ppt->x; - if(box.x2 < (ppt->x + *pwidth)) - box.x2 = ppt->x + *pwidth; - if(box.y1 > ppt->y) box.y1 = ppt->y; - else if(box.y2 < ppt->y) box.y2 = ppt->y; - } - - box.y2++; - - if(!pGC->miTranslate) { - TRANSLATE_BOX(box, pDraw); - } - TRIM_BOX(box, pGC); - - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - - (*pGC->ops->SetSpans)(pDraw, pGC, pcharsrc, pptInit, - pwidthInit, nspans, fSorted); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - } else - (*pGC->ops->SetSpans)(pDraw, pGC, pcharsrc, pptInit, - pwidthInit, nspans, fSorted); - - SHADOW_GC_OP_EPILOGUE(pGC); -} - -static void -ShadowPutImage( - DrawablePtr pDraw, - GCPtr pGC, - int depth, - int x, int y, int w, int h, - int leftPad, - int format, - char *pImage -){ - BoxRec box; - Bool boxNotEmpty = FALSE; - - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw)) { - box.x1 = x + pDraw->x; - box.x2 = box.x1 + w; - box.y1 = y + pDraw->y; - box.y2 = box.y1 + h; - - TRIM_BOX(box, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } - - (*pGC->ops->PutImage)(pDraw, pGC, depth, x, y, w, h, - leftPad, format, pImage); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - - SHADOW_GC_OP_EPILOGUE(pGC); - -} - -static RegionPtr -ShadowCopyArea( - DrawablePtr pSrc, - DrawablePtr pDst, - GC *pGC, - int srcx, int srcy, - int width, int height, - int dstx, int dsty -){ - RegionPtr ret; - BoxRec box; - Bool boxNotEmpty = FALSE; - - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDst)) { - box.x1 = dstx + pDst->x; - box.x2 = box.x1 + width; - box.y1 = dsty + pDst->y; - box.y2 = box.y1 + height; - - TRIM_BOX(box, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } - - ret = (*pGC->ops->CopyArea)(pSrc, pDst, - pGC, srcx, srcy, width, height, dstx, dsty); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - - SHADOW_GC_OP_EPILOGUE(pGC); - - return ret; -} - -static RegionPtr -ShadowCopyPlane( - DrawablePtr pSrc, - DrawablePtr pDst, - GCPtr pGC, - int srcx, int srcy, - int width, int height, - int dstx, int dsty, - unsigned long bitPlane -){ - RegionPtr ret; - BoxRec box; - Bool boxNotEmpty = FALSE; - - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDst)) { - box.x1 = dstx + pDst->x; - box.x2 = box.x1 + width; - box.y1 = dsty + pDst->y; - box.y2 = box.y1 + height; - - TRIM_BOX(box, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } - - ret = (*pGC->ops->CopyPlane)(pSrc, pDst, - pGC, srcx, srcy, width, height, dstx, dsty, bitPlane); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - - SHADOW_GC_OP_EPILOGUE(pGC); - - return ret; -} - -static void -ShadowPolyPoint( - DrawablePtr pDraw, - GCPtr pGC, - int mode, - int nptInit, - xPoint *pptInit -){ - BoxRec box; - Bool boxNotEmpty = FALSE; - - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw) && nptInit) { - xPoint *ppt = pptInit; - int npt = nptInit; - - box.x2 = box.x1 = pptInit->x; - box.y2 = box.y1 = pptInit->y; - - /* this could be slow if the points were spread out */ - - while(--npt) { - ppt++; - if(box.x1 > ppt->x) box.x1 = ppt->x; - else if(box.x2 < ppt->x) box.x2 = ppt->x; - if(box.y1 > ppt->y) box.y1 = ppt->y; - else if(box.y2 < ppt->y) box.y2 = ppt->y; - } - - box.x2++; - box.y2++; - - TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } - - (*pGC->ops->PolyPoint)(pDraw, pGC, mode, nptInit, pptInit); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - - SHADOW_GC_OP_EPILOGUE(pGC); -} - -static void -ShadowPolylines( - DrawablePtr pDraw, - GCPtr pGC, - int mode, - int nptInit, - DDXPointPtr pptInit -){ - BoxRec box; - Bool boxNotEmpty = FALSE; - - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw) && nptInit) { - DDXPointPtr ppt = pptInit; - int npt = nptInit; - int extra = pGC->lineWidth >> 1; - - box.x2 = box.x1 = pptInit->x; - box.y2 = box.y1 = pptInit->y; - - if(npt > 1) { - if(pGC->joinStyle == JoinMiter) - extra = 6 * pGC->lineWidth; - else if(pGC->capStyle == CapProjecting) - extra = pGC->lineWidth; - } - - if(mode == CoordModePrevious) { - int x = box.x1; - int y = box.y1; - while(--npt) { - ppt++; - x += ppt->x; - y += ppt->y; - if(box.x1 > x) box.x1 = x; - else if(box.x2 < x) box.x2 = x; - if(box.y1 > y) box.y1 = y; - else if(box.y2 < y) box.y2 = y; - } - } else { - while(--npt) { - ppt++; - if(box.x1 > ppt->x) box.x1 = ppt->x; - else if(box.x2 < ppt->x) box.x2 = ppt->x; - if(box.y1 > ppt->y) box.y1 = ppt->y; - else if(box.y2 < ppt->y) box.y2 = ppt->y; - } - } - - box.x2++; - box.y2++; - - if(extra) { - box.x1 -= extra; - box.x2 += extra; - box.y1 -= extra; - box.y2 += extra; - } - - TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } - - (*pGC->ops->Polylines)(pDraw, pGC, mode, nptInit, pptInit); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - - SHADOW_GC_OP_EPILOGUE(pGC); -} - -static void -ShadowPolySegment( - DrawablePtr pDraw, - GCPtr pGC, - int nsegInit, - xSegment *pSegInit -){ - BoxRec box; - Bool boxNotEmpty = FALSE; - - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw) && nsegInit) { - int extra = pGC->lineWidth; - xSegment *pSeg = pSegInit; - int nseg = nsegInit; - - if(pGC->capStyle != CapProjecting) - extra >>= 1; - - if(pSeg->x2 > pSeg->x1) { - box.x1 = pSeg->x1; - box.x2 = pSeg->x2; - } else { - box.x2 = pSeg->x1; - box.x1 = pSeg->x2; - } - - if(pSeg->y2 > pSeg->y1) { - box.y1 = pSeg->y1; - box.y2 = pSeg->y2; - } else { - box.y2 = pSeg->y1; - box.y1 = pSeg->y2; - } - - while(--nseg) { - pSeg++; - if(pSeg->x2 > pSeg->x1) { - if(pSeg->x1 < box.x1) box.x1 = pSeg->x1; - if(pSeg->x2 > box.x2) box.x2 = pSeg->x2; - } else { - if(pSeg->x2 < box.x1) box.x1 = pSeg->x2; - if(pSeg->x1 > box.x2) box.x2 = pSeg->x1; - } - if(pSeg->y2 > pSeg->y1) { - if(pSeg->y1 < box.y1) box.y1 = pSeg->y1; - if(pSeg->y2 > box.y2) box.y2 = pSeg->y2; - } else { - if(pSeg->y2 < box.y1) box.y1 = pSeg->y2; - if(pSeg->y1 > box.y2) box.y2 = pSeg->y1; - } - } - - box.x2++; - box.y2++; - - if(extra) { - box.x1 -= extra; - box.x2 += extra; - box.y1 -= extra; - box.y2 += extra; - } - - TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } - - (*pGC->ops->PolySegment)(pDraw, pGC, nsegInit, pSegInit); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - - SHADOW_GC_OP_EPILOGUE(pGC); -} - -static void -ShadowPolyRectangle( - DrawablePtr pDraw, - GCPtr pGC, - int nRectsInit, - xRectangle *pRectsInit -){ - BoxRec box; - BoxPtr pBoxInit = NULL; - Bool boxNotEmpty = FALSE; - int num = 0; - - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw) && nRectsInit) { - xRectangle *pRects = pRectsInit; - int nRects = nRectsInit; - - if(nRects >= 32) { - int extra = pGC->lineWidth >> 1; - - box.x1 = pRects->x; - box.x2 = box.x1 + pRects->width; - box.y1 = pRects->y; - box.y2 = box.y1 + pRects->height; - - while(--nRects) { - pRects++; - if(box.x1 > pRects->x) box.x1 = pRects->x; - if(box.x2 < (pRects->x + pRects->width)) - box.x2 = pRects->x + pRects->width; - if(box.y1 > pRects->y) box.y1 = pRects->y; - if(box.y2 < (pRects->y + pRects->height)) - box.y2 = pRects->y + pRects->height; - } - - if(extra) { - box.x1 -= extra; - box.x2 += extra; - box.y1 -= extra; - box.y2 += extra; - } - - box.x2++; - box.y2++; - - TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } else { - BoxPtr pbox; - int offset1, offset2, offset3; - - offset2 = pGC->lineWidth; - if(!offset2) offset2 = 1; - offset1 = offset2 >> 1; - offset3 = offset2 - offset1; - - pBoxInit = (BoxPtr)xalloc(nRects * 4 * sizeof(BoxRec)); - pbox = pBoxInit; - - while(nRects--) { - pbox->x1 = pRects->x - offset1; - pbox->y1 = pRects->y - offset1; - pbox->x2 = pbox->x1 + pRects->width + offset2; - pbox->y2 = pbox->y1 + offset2; - TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC); - if(BOX_NOT_EMPTY((*pbox))) { - num++; - pbox++; - } - - pbox->x1 = pRects->x - offset1; - pbox->y1 = pRects->y + offset3; - pbox->x2 = pbox->x1 + offset2; - pbox->y2 = pbox->y1 + pRects->height - offset2; - TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC); - if(BOX_NOT_EMPTY((*pbox))) { - num++; - pbox++; - } - - pbox->x1 = pRects->x + pRects->width - offset1; - pbox->y1 = pRects->y + offset3; - pbox->x2 = pbox->x1 + offset2; - pbox->y2 = pbox->y1 + pRects->height - offset2; - TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC); - if(BOX_NOT_EMPTY((*pbox))) { - num++; - pbox++; - } - - pbox->x1 = pRects->x - offset1; - pbox->y1 = pRects->y + pRects->height - offset1; - pbox->x2 = pbox->x1 + pRects->width + offset2; - pbox->y2 = pbox->y1 + offset2; - TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC); - if(BOX_NOT_EMPTY((*pbox))) { - num++; - pbox++; - } - - pRects++; - } - - if(num) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, num, pBoxInit); - } else { - xfree(pBoxInit); - } - } - } - - (*pGC->ops->PolyRectangle)(pDraw, pGC, nRectsInit, pRectsInit); - - if(boxNotEmpty && pPriv->postRefresh) { - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - } else if(num) { - if(pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, num, pBoxInit); - xfree(pBoxInit); - } - - SHADOW_GC_OP_EPILOGUE(pGC); - -} - -static void -ShadowPolyArc( - DrawablePtr pDraw, - GCPtr pGC, - int narcsInit, - xArc *parcsInit -){ - BoxRec box; - Bool boxNotEmpty = FALSE; - - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw) && narcsInit) { - int narcs = narcsInit; - xArc *parcs = parcsInit; - int extra = pGC->lineWidth >> 1; - - box.x1 = parcs->x; - box.x2 = box.x1 + parcs->width; - box.y1 = parcs->y; - box.y2 = box.y1 + parcs->height; - - /* should I break these up instead ? */ - - while(--narcs) { - parcs++; - if(box.x1 > parcs->x) box.x1 = parcs->x; - if(box.x2 < (parcs->x + parcs->width)) - box.x2 = parcs->x + parcs->width; - if(box.y1 > parcs->y) box.y1 = parcs->y; - if(box.y2 < (parcs->y + parcs->height)) - box.y2 = parcs->y + parcs->height; - } - - if(extra) { - box.x1 -= extra; - box.x2 += extra; - box.y1 -= extra; - box.y2 += extra; - } - - box.x2++; - box.y2++; - - TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } - - (*pGC->ops->PolyArc)(pDraw, pGC, narcsInit, parcsInit); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - - SHADOW_GC_OP_EPILOGUE(pGC); - -} - -static void -ShadowFillPolygon( - DrawablePtr pDraw, - GCPtr pGC, - int shape, - int mode, - int count, - DDXPointPtr pptInit -){ - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw) && (count > 2)) { - DDXPointPtr ppt = pptInit; - int i = count; - BoxRec box; - Bool boxNotEmpty = FALSE; - - box.x2 = box.x1 = ppt->x; - box.y2 = box.y1 = ppt->y; - - if(mode != CoordModeOrigin) { - int x = box.x1; - int y = box.y1; - while(--i) { - ppt++; - x += ppt->x; - y += ppt->y; - if(box.x1 > x) box.x1 = x; - else if(box.x2 < x) box.x2 = x; - if(box.y1 > y) box.y1 = y; - else if(box.y2 < y) box.y2 = y; - } - } else { - while(--i) { - ppt++; - if(box.x1 > ppt->x) box.x1 = ppt->x; - else if(box.x2 < ppt->x) box.x2 = ppt->x; - if(box.y1 > ppt->y) box.y1 = ppt->y; - else if(box.y2 < ppt->y) box.y2 = ppt->y; - } - } - - box.x2++; - box.y2++; - - TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - - (*pGC->ops->FillPolygon)(pDraw, pGC, shape, mode, count, pptInit); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - } else - (*pGC->ops->FillPolygon)(pDraw, pGC, shape, mode, count, pptInit); - - SHADOW_GC_OP_EPILOGUE(pGC); -} - - -static void -ShadowPolyFillRect( - DrawablePtr pDraw, - GCPtr pGC, - int nRectsInit, - xRectangle *pRectsInit -){ - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw) && nRectsInit) { - BoxRec box; - Bool boxNotEmpty = FALSE; - xRectangle *pRects = pRectsInit; - int nRects = nRectsInit; - - box.x1 = pRects->x; - box.x2 = box.x1 + pRects->width; - box.y1 = pRects->y; - box.y2 = box.y1 + pRects->height; - - while(--nRects) { - pRects++; - if(box.x1 > pRects->x) box.x1 = pRects->x; - if(box.x2 < (pRects->x + pRects->width)) - box.x2 = pRects->x + pRects->width; - if(box.y1 > pRects->y) box.y1 = pRects->y; - if(box.y2 < (pRects->y + pRects->height)) - box.y2 = pRects->y + pRects->height; - } - - /* cfb messes with the pRectsInit so we have to do our - calculations first */ - - TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - - (*pGC->ops->PolyFillRect)(pDraw, pGC, nRectsInit, pRectsInit); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - } else - (*pGC->ops->PolyFillRect)(pDraw, pGC, nRectsInit, pRectsInit); - - SHADOW_GC_OP_EPILOGUE(pGC); -} - - -static void -ShadowPolyFillArc( - DrawablePtr pDraw, - GCPtr pGC, - int narcsInit, - xArc *parcsInit -){ - BoxRec box; - Bool boxNotEmpty = FALSE; - - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw) && narcsInit) { - xArc *parcs = parcsInit; - int narcs = narcsInit; - - box.x1 = parcs->x; - box.x2 = box.x1 + parcs->width; - box.y1 = parcs->y; - box.y2 = box.y1 + parcs->height; - - /* should I break these up instead ? */ - - while(--narcs) { - parcs++; - if(box.x1 > parcs->x) box.x1 = parcs->x; - if(box.x2 < (parcs->x + parcs->width)) - box.x2 = parcs->x + parcs->width; - if(box.y1 > parcs->y) box.y1 = parcs->y; - if(box.y2 < (parcs->y + parcs->height)) - box.y2 = parcs->y + parcs->height; - } - - TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } - - (*pGC->ops->PolyFillArc)(pDraw, pGC, narcsInit, parcsInit); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - - SHADOW_GC_OP_EPILOGUE(pGC); -} - -static void -ShadowTextExtent(FontPtr pFont, int count, char* chars, - FontEncoding fontEncoding, BoxPtr box) -{ - unsigned long n, i; - int w; - CharInfoPtr charinfo[255]; /* encoding only has 1 byte for count */ - - GetGlyphs(pFont, (unsigned long)count, (unsigned char *)chars, - fontEncoding, &n, charinfo); - w = 0; - for (i=0; i < n; i++) { - w += charinfo[i]->metrics.characterWidth; - } - if (i) { - w += charinfo[i - 1]->metrics.rightSideBearing; - } - - box->x1 = 0; - if (n) { - if (charinfo[0]->metrics.leftSideBearing < 0) { - box->x1 = charinfo[0]->metrics.leftSideBearing; - } - } - box->x2 = w; - box->y1 = -FONTMAXBOUNDS(pFont,ascent); - box->y2 = FONTMAXBOUNDS(pFont,descent); -} - - - -static void -ShadowFontToBox(BoxPtr BB, DrawablePtr pDrawable, GCPtr pGC, int x, int y, - int count, char *chars, int wide) -{ - FontPtr pFont; - - pFont = pGC->font; - if (pFont->info.constantWidth) { - int ascent, descent, left, right = 0; - - ascent = max(pFont->info.fontAscent, pFont->info.maxbounds.ascent); - descent = max(pFont->info.fontDescent, pFont->info.maxbounds.descent); - left = pFont->info.maxbounds.leftSideBearing; - if (count > 0) { - right = (count - 1) * pFont->info.maxbounds.characterWidth; - } - right += pFont->info.maxbounds.rightSideBearing; - BB->x1 = - max(pDrawable->x + x - left, (REGION_EXTENTS(pGC->pScreen, - &((WindowPtr) pDrawable)->winSize))->x1); - BB->y1 = - max(pDrawable->y + y - ascent, - (REGION_EXTENTS(pGC->pScreen, - &((WindowPtr) pDrawable)->winSize))->y1); - BB->x2 = - min(pDrawable->x + x + right, - (REGION_EXTENTS(pGC->pScreen, - &((WindowPtr) pDrawable)->winSize))->x2); - BB->y2 = - min(pDrawable->y + y + descent, - (REGION_EXTENTS(pGC->pScreen, - &((WindowPtr) pDrawable)->winSize))->y2); - } else { - ShadowTextExtent(pFont, count, chars, wide ? (FONTLASTROW(pFont) == 0) - ? Linear16Bit : TwoD16Bit : Linear8Bit, BB); - BB->x1 = - max(pDrawable->x + x + BB->x1, (REGION_EXTENTS(pGC->pScreen, - &((WindowPtr) pDrawable)->winSize))->x1); - BB->y1 = - max(pDrawable->y + y + BB->y1, - (REGION_EXTENTS(pGC->pScreen, - &((WindowPtr) pDrawable)->winSize))->y1); - BB->x2 = - min(pDrawable->x + x + BB->x2, - (REGION_EXTENTS(pGC->pScreen, - &((WindowPtr) pDrawable)->winSize))->x2); - BB->y2 = - min(pDrawable->y + y + BB->y2, - (REGION_EXTENTS(pGC->pScreen, - &((WindowPtr) pDrawable)->winSize))->y2); - } -} - -static int -ShadowPolyText8( - DrawablePtr pDraw, - GCPtr pGC, - int x, - int y, - int count, - char *chars -){ - int width; - BoxRec box; - Bool boxNotEmpty = FALSE; - - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw)) { - ShadowFontToBox(&box, pDraw, pGC, x, y, count, chars, 0); - - TRIM_BOX(box, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } - - width = (*pGC->ops->PolyText8)(pDraw, pGC, x, y, count, chars); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - - SHADOW_GC_OP_EPILOGUE(pGC); - - return width; -} - -static int -ShadowPolyText16( - DrawablePtr pDraw, - GCPtr pGC, - int x, - int y, - int count, - unsigned short *chars -){ - int width; - BoxRec box; - Bool boxNotEmpty = FALSE; - - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw)) { - ShadowFontToBox(&box, pDraw, pGC, x, y, count, (char*)chars, 1); - - TRIM_BOX(box, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } - - width = (*pGC->ops->PolyText16)(pDraw, pGC, x, y, count, chars); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - - SHADOW_GC_OP_EPILOGUE(pGC); - - return width; -} - -static void -ShadowImageText8( - DrawablePtr pDraw, - GCPtr pGC, - int x, - int y, - int count, - char *chars -){ - BoxRec box; - Bool boxNotEmpty = FALSE; - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw) && count) { - int top, bot, Min, Max; - - top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font)); - bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font)); - - Min = count * FONTMINBOUNDS(pGC->font, characterWidth); - if(Min > 0) Min = 0; - Max = count * FONTMAXBOUNDS(pGC->font, characterWidth); - if(Max < 0) Max = 0; - - /* ugh */ - box.x1 = pDraw->x + x + Min + - FONTMINBOUNDS(pGC->font, leftSideBearing); - box.x2 = pDraw->x + x + Max + - FONTMAXBOUNDS(pGC->font, rightSideBearing); - - box.y1 = pDraw->y + y - top; - box.y2 = pDraw->y + y + bot; - - TRIM_BOX(box, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } - - (*pGC->ops->ImageText8)(pDraw, pGC, x, y, count, chars); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - - SHADOW_GC_OP_EPILOGUE(pGC); -} -static void -ShadowImageText16( - DrawablePtr pDraw, - GCPtr pGC, - int x, - int y, - int count, - unsigned short *chars -){ - BoxRec box; - Bool boxNotEmpty = FALSE; - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw) && count) { - int top, bot, Min, Max; - - top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font)); - bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font)); - - Min = count * FONTMINBOUNDS(pGC->font, characterWidth); - if(Min > 0) Min = 0; - Max = count * FONTMAXBOUNDS(pGC->font, characterWidth); - if(Max < 0) Max = 0; - - /* ugh */ - box.x1 = pDraw->x + x + Min + - FONTMINBOUNDS(pGC->font, leftSideBearing); - box.x2 = pDraw->x + x + Max + - FONTMAXBOUNDS(pGC->font, rightSideBearing); - - box.y1 = pDraw->y + y - top; - box.y2 = pDraw->y + y + bot; - - TRIM_BOX(box, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } - - (*pGC->ops->ImageText16)(pDraw, pGC, x, y, count, chars); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - - SHADOW_GC_OP_EPILOGUE(pGC); -} - - -static void -ShadowImageGlyphBlt( - DrawablePtr pDraw, - GCPtr pGC, - int x, int y, - unsigned int nglyphInit, - CharInfoPtr *ppciInit, - pointer pglyphBase -){ - BoxRec box; - Bool boxNotEmpty = FALSE; - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw) && nglyphInit) { - CharInfoPtr *ppci = ppciInit; - unsigned int nglyph = nglyphInit; - int top, bot, width = 0; - - top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font)); - bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font)); - - box.x1 = ppci[0]->metrics.leftSideBearing; - if(box.x1 > 0) box.x1 = 0; - box.x2 = ppci[nglyph - 1]->metrics.rightSideBearing - - ppci[nglyph - 1]->metrics.characterWidth; - if(box.x2 < 0) box.x2 = 0; - - box.x2 += pDraw->x + x; - box.x1 += pDraw->x + x; - - while(nglyph--) { - width += (*ppci)->metrics.characterWidth; - ppci++; - } - - if(width > 0) - box.x2 += width; - else - box.x1 += width; - - box.y1 = pDraw->y + y - top; - box.y2 = pDraw->y + y + bot; - - TRIM_BOX(box, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } - - (*pGC->ops->ImageGlyphBlt)(pDraw, pGC, x, y, nglyphInit, - ppciInit, pglyphBase); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - - SHADOW_GC_OP_EPILOGUE(pGC); -} - -static void -ShadowPolyGlyphBlt( - DrawablePtr pDraw, - GCPtr pGC, - int x, int y, - unsigned int nglyphInit, - CharInfoPtr *ppciInit, - pointer pglyphBase -){ - BoxRec box; - Bool boxNotEmpty = FALSE; - - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw) && nglyphInit) { - CharInfoPtr *ppci = ppciInit; - unsigned int nglyph = nglyphInit; - - /* ugh */ - box.x1 = pDraw->x + x + ppci[0]->metrics.leftSideBearing; - box.x2 = pDraw->x + x + ppci[nglyph - 1]->metrics.rightSideBearing; - - if(nglyph > 1) { - int width = 0; - - while(--nglyph) { - width += (*ppci)->metrics.characterWidth; - ppci++; - } - - if(width > 0) box.x2 += width; - else box.x1 += width; - } - - box.y1 = pDraw->y + y - FONTMAXBOUNDS(pGC->font, ascent); - box.y2 = pDraw->y + y + FONTMAXBOUNDS(pGC->font, descent); - - TRIM_BOX(box, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } - - (*pGC->ops->PolyGlyphBlt)(pDraw, pGC, x, y, nglyphInit, - ppciInit, pglyphBase); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - - SHADOW_GC_OP_EPILOGUE(pGC); -} - -static void -ShadowPushPixels( - GCPtr pGC, - PixmapPtr pBitMap, - DrawablePtr pDraw, - int dx, int dy, int xOrg, int yOrg -){ - BoxRec box; - Bool boxNotEmpty = FALSE; - - SHADOW_GC_OP_PROLOGUE(pGC); - - if(IS_VISIBLE(pDraw)) { - box.x1 = xOrg; - box.y1 = yOrg; - - if(!pGC->miTranslate) { - box.x1 += pDraw->x; - box.y1 += pDraw->y; - } - - box.x2 = box.x1 + dx; - box.y2 = box.y1 + dy; - - TRIM_BOX(box, pGC); - if(BOX_NOT_EMPTY(box)) { - if(pPriv->preRefresh) - (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); - boxNotEmpty = TRUE; - } - } - - (*pGC->ops->PushPixels)(pGC, pBitMap, pDraw, dx, dy, xOrg, yOrg); - - if(boxNotEmpty && pPriv->postRefresh) - (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); - - SHADOW_GC_OP_EPILOGUE(pGC); -} - - -GCOps ShadowGCOps = { - ShadowFillSpans, ShadowSetSpans, - ShadowPutImage, ShadowCopyArea, - ShadowCopyPlane, ShadowPolyPoint, - ShadowPolylines, ShadowPolySegment, - ShadowPolyRectangle, ShadowPolyArc, - ShadowFillPolygon, ShadowPolyFillRect, - ShadowPolyFillArc, ShadowPolyText8, - ShadowPolyText16, ShadowImageText8, - ShadowImageText16, ShadowImageGlyphBlt, - ShadowPolyGlyphBlt, ShadowPushPixels, - {NULL} /* devPrivate */ -}; - +/* + Copyright (C) 1999. The XFree86 Project Inc. + + Written by Mark Vojkovich (mvojkovi@ucsd.edu) + + Pre-fb-write callbacks and RENDER support - Nolan Leake (nolan@vmware.com) +*/ + + +#ifdef HAVE_XORG_CONFIG_H +#include +#endif + +#include +#include +#include "misc.h" +#include "pixmapstr.h" +#include "input.h" +#include +#include "mi.h" +#include "scrnintstr.h" +#include "windowstr.h" +#include "gcstruct.h" +#include "dixfontstr.h" +#include +#include "xf86.h" +#include "xf86str.h" +#include "shadowfb.h" + +# include "picturestr.h" + +static Bool ShadowCloseScreen (int i, ScreenPtr pScreen); +static void ShadowCopyWindow( + WindowPtr pWin, + DDXPointRec ptOldOrg, + RegionPtr prgn +); +static Bool ShadowCreateGC(GCPtr pGC); +static Bool ShadowModifyPixmapHeader( + PixmapPtr pPixmap, + int width, + int height, + int depth, + int bitsPerPixel, + int devKind, + pointer pPixData +); + +static Bool ShadowEnterVT(int index, int flags); +static void ShadowLeaveVT(int index, int flags); + +static void ShadowComposite( + CARD8 op, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height +); + + +typedef struct { + ScrnInfoPtr pScrn; + RefreshAreaFuncPtr preRefresh; + RefreshAreaFuncPtr postRefresh; + CloseScreenProcPtr CloseScreen; + CopyWindowProcPtr CopyWindow; + CreateGCProcPtr CreateGC; + ModifyPixmapHeaderProcPtr ModifyPixmapHeader; + CompositeProcPtr Composite; + Bool (*EnterVT)(int, int); + void (*LeaveVT)(int, int); + Bool vtSema; +} ShadowScreenRec, *ShadowScreenPtr; + +typedef struct { + GCOps *ops; + GCFuncs *funcs; +} ShadowGCRec, *ShadowGCPtr; + + +static int ShadowScreenKeyIndex; +static DevPrivateKey ShadowScreenKey = &ShadowScreenKeyIndex; +static int ShadowGCKeyIndex; +static DevPrivateKey ShadowGCKey = &ShadowGCKeyIndex; + +#define GET_SCREEN_PRIVATE(pScreen) \ + (ShadowScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, ShadowScreenKey) +#define GET_GC_PRIVATE(pGC) \ + (ShadowGCPtr)dixLookupPrivate(&(pGC)->devPrivates, ShadowGCKey) + +#define SHADOW_GC_FUNC_PROLOGUE(pGC)\ + ShadowGCPtr pGCPriv = GET_GC_PRIVATE(pGC);\ + (pGC)->funcs = pGCPriv->funcs;\ + if(pGCPriv->ops)\ + (pGC)->ops = pGCPriv->ops + +#define SHADOW_GC_FUNC_EPILOGUE(pGC)\ + pGCPriv->funcs = (pGC)->funcs;\ + (pGC)->funcs = &ShadowGCFuncs;\ + if(pGCPriv->ops) {\ + pGCPriv->ops = (pGC)->ops;\ + (pGC)->ops = &ShadowGCOps;\ + } + +#define SHADOW_GC_OP_PROLOGUE(pGC)\ + ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pGC->pScreen); \ + ShadowGCPtr pGCPriv = GET_GC_PRIVATE(pGC);\ + GCFuncs *oldFuncs = pGC->funcs;\ + pGC->funcs = pGCPriv->funcs;\ + pGC->ops = pGCPriv->ops + + +#define SHADOW_GC_OP_EPILOGUE(pGC)\ + pGCPriv->ops = pGC->ops;\ + pGC->funcs = oldFuncs;\ + pGC->ops = &ShadowGCOps + +#define IS_VISIBLE(pWin) (pPriv->vtSema && \ + (((WindowPtr)pWin)->visibility != VisibilityFullyObscured)) + +#define TRIM_BOX(box, pGC) { \ + BoxPtr extents = &pGC->pCompositeClip->extents;\ + if(box.x1 < extents->x1) box.x1 = extents->x1; \ + if(box.x2 > extents->x2) box.x2 = extents->x2; \ + if(box.y1 < extents->y1) box.y1 = extents->y1; \ + if(box.y2 > extents->y2) box.y2 = extents->y2; \ + } + +#define TRANSLATE_BOX(box, pDraw) { \ + box.x1 += pDraw->x; \ + box.x2 += pDraw->x; \ + box.y1 += pDraw->y; \ + box.y2 += pDraw->y; \ + } + +#define TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC) { \ + TRANSLATE_BOX(box, pDraw); \ + TRIM_BOX(box, pGC); \ + } + +#define BOX_NOT_EMPTY(box) \ + (((box.x2 - box.x1) > 0) && ((box.y2 - box.y1) > 0)) + + + +Bool +ShadowFBInit2 ( + ScreenPtr pScreen, + RefreshAreaFuncPtr preRefreshArea, + RefreshAreaFuncPtr postRefreshArea +){ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + ShadowScreenPtr pPriv; + PictureScreenPtr ps = GetPictureScreenIfSet(pScreen); + + if(!preRefreshArea && !postRefreshArea) return FALSE; + + if(!dixRequestPrivate(ShadowGCKey, sizeof(ShadowGCRec))) + return FALSE; + + if(!(pPriv = (ShadowScreenPtr)malloc(sizeof(ShadowScreenRec)))) + return FALSE; + + dixSetPrivate(&pScreen->devPrivates, ShadowScreenKey, pPriv); + + pPriv->pScrn = pScrn; + pPriv->preRefresh = preRefreshArea; + pPriv->postRefresh = postRefreshArea; + pPriv->vtSema = TRUE; + + pPriv->CloseScreen = pScreen->CloseScreen; + pPriv->CopyWindow = pScreen->CopyWindow; + pPriv->CreateGC = pScreen->CreateGC; + pPriv->ModifyPixmapHeader = pScreen->ModifyPixmapHeader; + + pPriv->EnterVT = pScrn->EnterVT; + pPriv->LeaveVT = pScrn->LeaveVT; + + pScreen->CloseScreen = ShadowCloseScreen; + pScreen->CopyWindow = ShadowCopyWindow; + pScreen->CreateGC = ShadowCreateGC; + pScreen->ModifyPixmapHeader = ShadowModifyPixmapHeader; + + pScrn->EnterVT = ShadowEnterVT; + pScrn->LeaveVT = ShadowLeaveVT; + + if(ps) { + pPriv->Composite = ps->Composite; + ps->Composite = ShadowComposite; + } + + return TRUE; +} + +Bool +ShadowFBInit ( + ScreenPtr pScreen, + RefreshAreaFuncPtr refreshArea +){ + return ShadowFBInit2(pScreen, NULL, refreshArea); +} + +/**********************************************************/ + +static Bool +ShadowEnterVT(int index, int flags) +{ + ScrnInfoPtr pScrn = xf86Screens[index]; + ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScrn->pScreen); + + if((*pPriv->EnterVT)(index, flags)) { + pPriv->vtSema = TRUE; + return TRUE; + } + + return FALSE; +} + +static void +ShadowLeaveVT(int index, int flags) +{ + ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(xf86Screens[index]->pScreen); + + pPriv->vtSema = FALSE; + + (*pPriv->LeaveVT)(index, flags); +} + +/**********************************************************/ + + +static Bool +ShadowCloseScreen (int i, ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen); + PictureScreenPtr ps = GetPictureScreenIfSet(pScreen); + + pScreen->CloseScreen = pPriv->CloseScreen; + pScreen->CopyWindow = pPriv->CopyWindow; + pScreen->CreateGC = pPriv->CreateGC; + pScreen->ModifyPixmapHeader = pPriv->ModifyPixmapHeader; + + pScrn->EnterVT = pPriv->EnterVT; + pScrn->LeaveVT = pPriv->LeaveVT; + + if(ps) { + ps->Composite = pPriv->Composite; + } + + free((pointer)pPriv); + + return (*pScreen->CloseScreen) (i, pScreen); +} + +static void +ShadowCopyWindow( + WindowPtr pWin, + DDXPointRec ptOldOrg, + RegionPtr prgn +){ + ScreenPtr pScreen = pWin->drawable.pScreen; + ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen); + int num = 0; + RegionRec rgnDst; + + if (pPriv->vtSema) { + REGION_NULL(pWin->drawable.pScreen, &rgnDst); + REGION_COPY(pWin->drawable.pScreen, &rgnDst, prgn); + + REGION_TRANSLATE(pWin->drawable.pScreen, &rgnDst, + pWin->drawable.x - ptOldOrg.x, + pWin->drawable.y - ptOldOrg.y); + REGION_INTERSECT(pScreen, &rgnDst, &pWin->borderClip, &rgnDst); + if ((num = REGION_NUM_RECTS(&rgnDst))) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, num, REGION_RECTS(&rgnDst)); + } else { + REGION_UNINIT(pWin->drawable.pScreen, &rgnDst); + } + } + + pScreen->CopyWindow = pPriv->CopyWindow; + (*pScreen->CopyWindow) (pWin, ptOldOrg, prgn); + pScreen->CopyWindow = ShadowCopyWindow; + + if (num) { + if (pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, num, REGION_RECTS(&rgnDst)); + REGION_UNINIT(pWin->drawable.pScreen, &rgnDst); + } +} + +static Bool +ShadowModifyPixmapHeader( + PixmapPtr pPixmap, + int width, + int height, + int depth, + int bitsPerPixel, + int devKind, + pointer pPixData +) +{ + ScreenPtr pScreen; + ScrnInfoPtr pScrn; + ShadowScreenPtr pPriv; + Bool retval; + PixmapPtr pScreenPix; + + if (!pPixmap) + return FALSE; + + pScreen = pPixmap->drawable.pScreen; + pScrn = xf86Screens[pScreen->myNum]; + + pScreenPix = (*pScreen->GetScreenPixmap)(pScreen); + + if (pPixmap == pScreenPix && !pScrn->vtSema) + pScreenPix->devPrivate = pScrn->pixmapPrivate; + + pPriv = GET_SCREEN_PRIVATE(pScreen); + + pScreen->ModifyPixmapHeader = pPriv->ModifyPixmapHeader; + retval = (*pScreen->ModifyPixmapHeader)(pPixmap, + width, height, depth, bitsPerPixel, devKind, pPixData); + pScreen->ModifyPixmapHeader = ShadowModifyPixmapHeader; + + if (pPixmap == pScreenPix && !pScrn->vtSema) + { + pScrn->pixmapPrivate = pScreenPix->devPrivate; + pScreenPix->devPrivate.ptr = 0; + } + return retval; +} + +static void +ShadowComposite( + CARD8 op, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height +){ + ScreenPtr pScreen = pDst->pDrawable->pScreen; + ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen); + PictureScreenPtr ps = GetPictureScreen(pScreen); + BoxRec box; + BoxPtr extents; + Bool boxNotEmpty = FALSE; + + if (pPriv->vtSema + && pDst->pDrawable->type == DRAWABLE_WINDOW) { + + box.x1 = pDst->pDrawable->x + xDst; + box.y1 = pDst->pDrawable->y + yDst; + box.x2 = box.x1 + width; + box.y2 = box.y1 + height; + + extents = &pDst->pCompositeClip->extents; + if(box.x1 < extents->x1) box.x1 = extents->x1; + if(box.x2 > extents->x2) box.x2 = extents->x2; + if(box.y1 < extents->y1) box.y1 = extents->y1; + if(box.y2 > extents->y2) box.y2 = extents->y2; + + if (BOX_NOT_EMPTY(box)) { + if (pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } + + ps->Composite = pPriv->Composite; + (*ps->Composite)(op, pSrc, pMask, pDst, xSrc, ySrc, + xMask, yMask, xDst, yDst, width, height); + ps->Composite = ShadowComposite; + + if (pPriv->postRefresh && boxNotEmpty) { + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + } +} + +/**********************************************************/ + +static void ShadowValidateGC(GCPtr, unsigned long, DrawablePtr); +static void ShadowChangeGC(GCPtr, unsigned long); +static void ShadowCopyGC(GCPtr, unsigned long, GCPtr); +static void ShadowDestroyGC(GCPtr); +static void ShadowChangeClip(GCPtr, int, pointer, int); +static void ShadowDestroyClip(GCPtr); +static void ShadowCopyClip(GCPtr, GCPtr); + +GCFuncs ShadowGCFuncs = { + ShadowValidateGC, ShadowChangeGC, ShadowCopyGC, ShadowDestroyGC, + ShadowChangeClip, ShadowDestroyClip, ShadowCopyClip +}; + + +extern GCOps ShadowGCOps; + +static Bool +ShadowCreateGC(GCPtr pGC) +{ + ScreenPtr pScreen = pGC->pScreen; + ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen); + ShadowGCPtr pGCPriv = GET_GC_PRIVATE(pGC); + Bool ret; + + pScreen->CreateGC = pPriv->CreateGC; + if((ret = (*pScreen->CreateGC) (pGC))) { + pGCPriv->ops = NULL; + pGCPriv->funcs = pGC->funcs; + pGC->funcs = &ShadowGCFuncs; + } + pScreen->CreateGC = ShadowCreateGC; + + return ret; +} + + +static void +ShadowValidateGC( + GCPtr pGC, + unsigned long changes, + DrawablePtr pDraw +){ + SHADOW_GC_FUNC_PROLOGUE (pGC); + (*pGC->funcs->ValidateGC)(pGC, changes, pDraw); + if(pDraw->type == DRAWABLE_WINDOW) + pGCPriv->ops = pGC->ops; /* just so it's not NULL */ + else + pGCPriv->ops = NULL; + SHADOW_GC_FUNC_EPILOGUE (pGC); +} + + +static void +ShadowDestroyGC(GCPtr pGC) +{ + SHADOW_GC_FUNC_PROLOGUE (pGC); + (*pGC->funcs->DestroyGC)(pGC); + SHADOW_GC_FUNC_EPILOGUE (pGC); +} + +static void +ShadowChangeGC ( + GCPtr pGC, + unsigned long mask +){ + SHADOW_GC_FUNC_PROLOGUE (pGC); + (*pGC->funcs->ChangeGC) (pGC, mask); + SHADOW_GC_FUNC_EPILOGUE (pGC); +} + +static void +ShadowCopyGC ( + GCPtr pGCSrc, + unsigned long mask, + GCPtr pGCDst +){ + SHADOW_GC_FUNC_PROLOGUE (pGCDst); + (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst); + SHADOW_GC_FUNC_EPILOGUE (pGCDst); +} + +static void +ShadowChangeClip ( + GCPtr pGC, + int type, + pointer pvalue, + int nrects +){ + SHADOW_GC_FUNC_PROLOGUE (pGC); + (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects); + SHADOW_GC_FUNC_EPILOGUE (pGC); +} + +static void +ShadowCopyClip(GCPtr pgcDst, GCPtr pgcSrc) +{ + SHADOW_GC_FUNC_PROLOGUE (pgcDst); + (* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc); + SHADOW_GC_FUNC_EPILOGUE (pgcDst); +} + +static void +ShadowDestroyClip(GCPtr pGC) +{ + SHADOW_GC_FUNC_PROLOGUE (pGC); + (* pGC->funcs->DestroyClip)(pGC); + SHADOW_GC_FUNC_EPILOGUE (pGC); +} + + + + +/**********************************************************/ + + +static void +ShadowFillSpans( + DrawablePtr pDraw, + GC *pGC, + int nInit, + DDXPointPtr pptInit, + int *pwidthInit, + int fSorted +){ + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw) && nInit) { + DDXPointPtr ppt = pptInit; + int *pwidth = pwidthInit; + int i = nInit; + BoxRec box; + Bool boxNotEmpty = FALSE; + + box.x1 = ppt->x; + box.x2 = box.x1 + *pwidth; + box.y2 = box.y1 = ppt->y; + + while(--i) { + ppt++; + pwidth++; + if(box.x1 > ppt->x) box.x1 = ppt->x; + if(box.x2 < (ppt->x + *pwidth)) + box.x2 = ppt->x + *pwidth; + if(box.y1 > ppt->y) box.y1 = ppt->y; + else if(box.y2 < ppt->y) box.y2 = ppt->y; + } + + box.y2++; + + if(!pGC->miTranslate) { + TRANSLATE_BOX(box, pDraw); + } + TRIM_BOX(box, pGC); + + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + + (*pGC->ops->FillSpans)(pDraw, pGC, nInit, pptInit, pwidthInit, fSorted); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + } else + (*pGC->ops->FillSpans)(pDraw, pGC, nInit, pptInit, pwidthInit, fSorted); + + SHADOW_GC_OP_EPILOGUE(pGC); +} + +static void +ShadowSetSpans( + DrawablePtr pDraw, + GCPtr pGC, + char *pcharsrc, + DDXPointPtr pptInit, + int *pwidthInit, + int nspans, + int fSorted +){ + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw) && nspans) { + DDXPointPtr ppt = pptInit; + int *pwidth = pwidthInit; + int i = nspans; + BoxRec box; + Bool boxNotEmpty = FALSE; + + box.x1 = ppt->x; + box.x2 = box.x1 + *pwidth; + box.y2 = box.y1 = ppt->y; + + while(--i) { + ppt++; + pwidth++; + if(box.x1 > ppt->x) box.x1 = ppt->x; + if(box.x2 < (ppt->x + *pwidth)) + box.x2 = ppt->x + *pwidth; + if(box.y1 > ppt->y) box.y1 = ppt->y; + else if(box.y2 < ppt->y) box.y2 = ppt->y; + } + + box.y2++; + + if(!pGC->miTranslate) { + TRANSLATE_BOX(box, pDraw); + } + TRIM_BOX(box, pGC); + + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + + (*pGC->ops->SetSpans)(pDraw, pGC, pcharsrc, pptInit, + pwidthInit, nspans, fSorted); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + } else + (*pGC->ops->SetSpans)(pDraw, pGC, pcharsrc, pptInit, + pwidthInit, nspans, fSorted); + + SHADOW_GC_OP_EPILOGUE(pGC); +} + +static void +ShadowPutImage( + DrawablePtr pDraw, + GCPtr pGC, + int depth, + int x, int y, int w, int h, + int leftPad, + int format, + char *pImage +){ + BoxRec box; + Bool boxNotEmpty = FALSE; + + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw)) { + box.x1 = x + pDraw->x; + box.x2 = box.x1 + w; + box.y1 = y + pDraw->y; + box.y2 = box.y1 + h; + + TRIM_BOX(box, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } + + (*pGC->ops->PutImage)(pDraw, pGC, depth, x, y, w, h, + leftPad, format, pImage); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + + SHADOW_GC_OP_EPILOGUE(pGC); + +} + +static RegionPtr +ShadowCopyArea( + DrawablePtr pSrc, + DrawablePtr pDst, + GC *pGC, + int srcx, int srcy, + int width, int height, + int dstx, int dsty +){ + RegionPtr ret; + BoxRec box; + Bool boxNotEmpty = FALSE; + + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDst)) { + box.x1 = dstx + pDst->x; + box.x2 = box.x1 + width; + box.y1 = dsty + pDst->y; + box.y2 = box.y1 + height; + + TRIM_BOX(box, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } + + ret = (*pGC->ops->CopyArea)(pSrc, pDst, + pGC, srcx, srcy, width, height, dstx, dsty); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + + SHADOW_GC_OP_EPILOGUE(pGC); + + return ret; +} + +static RegionPtr +ShadowCopyPlane( + DrawablePtr pSrc, + DrawablePtr pDst, + GCPtr pGC, + int srcx, int srcy, + int width, int height, + int dstx, int dsty, + unsigned long bitPlane +){ + RegionPtr ret; + BoxRec box; + Bool boxNotEmpty = FALSE; + + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDst)) { + box.x1 = dstx + pDst->x; + box.x2 = box.x1 + width; + box.y1 = dsty + pDst->y; + box.y2 = box.y1 + height; + + TRIM_BOX(box, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } + + ret = (*pGC->ops->CopyPlane)(pSrc, pDst, + pGC, srcx, srcy, width, height, dstx, dsty, bitPlane); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + + SHADOW_GC_OP_EPILOGUE(pGC); + + return ret; +} + +static void +ShadowPolyPoint( + DrawablePtr pDraw, + GCPtr pGC, + int mode, + int nptInit, + xPoint *pptInit +){ + BoxRec box; + Bool boxNotEmpty = FALSE; + + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw) && nptInit) { + xPoint *ppt = pptInit; + int npt = nptInit; + + box.x2 = box.x1 = pptInit->x; + box.y2 = box.y1 = pptInit->y; + + /* this could be slow if the points were spread out */ + + while(--npt) { + ppt++; + if(box.x1 > ppt->x) box.x1 = ppt->x; + else if(box.x2 < ppt->x) box.x2 = ppt->x; + if(box.y1 > ppt->y) box.y1 = ppt->y; + else if(box.y2 < ppt->y) box.y2 = ppt->y; + } + + box.x2++; + box.y2++; + + TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } + + (*pGC->ops->PolyPoint)(pDraw, pGC, mode, nptInit, pptInit); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + + SHADOW_GC_OP_EPILOGUE(pGC); +} + +static void +ShadowPolylines( + DrawablePtr pDraw, + GCPtr pGC, + int mode, + int nptInit, + DDXPointPtr pptInit +){ + BoxRec box; + Bool boxNotEmpty = FALSE; + + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw) && nptInit) { + DDXPointPtr ppt = pptInit; + int npt = nptInit; + int extra = pGC->lineWidth >> 1; + + box.x2 = box.x1 = pptInit->x; + box.y2 = box.y1 = pptInit->y; + + if(npt > 1) { + if(pGC->joinStyle == JoinMiter) + extra = 6 * pGC->lineWidth; + else if(pGC->capStyle == CapProjecting) + extra = pGC->lineWidth; + } + + if(mode == CoordModePrevious) { + int x = box.x1; + int y = box.y1; + while(--npt) { + ppt++; + x += ppt->x; + y += ppt->y; + if(box.x1 > x) box.x1 = x; + else if(box.x2 < x) box.x2 = x; + if(box.y1 > y) box.y1 = y; + else if(box.y2 < y) box.y2 = y; + } + } else { + while(--npt) { + ppt++; + if(box.x1 > ppt->x) box.x1 = ppt->x; + else if(box.x2 < ppt->x) box.x2 = ppt->x; + if(box.y1 > ppt->y) box.y1 = ppt->y; + else if(box.y2 < ppt->y) box.y2 = ppt->y; + } + } + + box.x2++; + box.y2++; + + if(extra) { + box.x1 -= extra; + box.x2 += extra; + box.y1 -= extra; + box.y2 += extra; + } + + TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } + + (*pGC->ops->Polylines)(pDraw, pGC, mode, nptInit, pptInit); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + + SHADOW_GC_OP_EPILOGUE(pGC); +} + +static void +ShadowPolySegment( + DrawablePtr pDraw, + GCPtr pGC, + int nsegInit, + xSegment *pSegInit +){ + BoxRec box; + Bool boxNotEmpty = FALSE; + + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw) && nsegInit) { + int extra = pGC->lineWidth; + xSegment *pSeg = pSegInit; + int nseg = nsegInit; + + if(pGC->capStyle != CapProjecting) + extra >>= 1; + + if(pSeg->x2 > pSeg->x1) { + box.x1 = pSeg->x1; + box.x2 = pSeg->x2; + } else { + box.x2 = pSeg->x1; + box.x1 = pSeg->x2; + } + + if(pSeg->y2 > pSeg->y1) { + box.y1 = pSeg->y1; + box.y2 = pSeg->y2; + } else { + box.y2 = pSeg->y1; + box.y1 = pSeg->y2; + } + + while(--nseg) { + pSeg++; + if(pSeg->x2 > pSeg->x1) { + if(pSeg->x1 < box.x1) box.x1 = pSeg->x1; + if(pSeg->x2 > box.x2) box.x2 = pSeg->x2; + } else { + if(pSeg->x2 < box.x1) box.x1 = pSeg->x2; + if(pSeg->x1 > box.x2) box.x2 = pSeg->x1; + } + if(pSeg->y2 > pSeg->y1) { + if(pSeg->y1 < box.y1) box.y1 = pSeg->y1; + if(pSeg->y2 > box.y2) box.y2 = pSeg->y2; + } else { + if(pSeg->y2 < box.y1) box.y1 = pSeg->y2; + if(pSeg->y1 > box.y2) box.y2 = pSeg->y1; + } + } + + box.x2++; + box.y2++; + + if(extra) { + box.x1 -= extra; + box.x2 += extra; + box.y1 -= extra; + box.y2 += extra; + } + + TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } + + (*pGC->ops->PolySegment)(pDraw, pGC, nsegInit, pSegInit); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + + SHADOW_GC_OP_EPILOGUE(pGC); +} + +static void +ShadowPolyRectangle( + DrawablePtr pDraw, + GCPtr pGC, + int nRectsInit, + xRectangle *pRectsInit +){ + BoxRec box; + BoxPtr pBoxInit = NULL; + Bool boxNotEmpty = FALSE; + int num = 0; + + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw) && nRectsInit) { + xRectangle *pRects = pRectsInit; + int nRects = nRectsInit; + + if(nRects >= 32) { + int extra = pGC->lineWidth >> 1; + + box.x1 = pRects->x; + box.x2 = box.x1 + pRects->width; + box.y1 = pRects->y; + box.y2 = box.y1 + pRects->height; + + while(--nRects) { + pRects++; + if(box.x1 > pRects->x) box.x1 = pRects->x; + if(box.x2 < (pRects->x + pRects->width)) + box.x2 = pRects->x + pRects->width; + if(box.y1 > pRects->y) box.y1 = pRects->y; + if(box.y2 < (pRects->y + pRects->height)) + box.y2 = pRects->y + pRects->height; + } + + if(extra) { + box.x1 -= extra; + box.x2 += extra; + box.y1 -= extra; + box.y2 += extra; + } + + box.x2++; + box.y2++; + + TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } else { + BoxPtr pbox; + int offset1, offset2, offset3; + + offset2 = pGC->lineWidth; + if(!offset2) offset2 = 1; + offset1 = offset2 >> 1; + offset3 = offset2 - offset1; + + pBoxInit = (BoxPtr)malloc(nRects * 4 * sizeof(BoxRec)); + pbox = pBoxInit; + + while(nRects--) { + pbox->x1 = pRects->x - offset1; + pbox->y1 = pRects->y - offset1; + pbox->x2 = pbox->x1 + pRects->width + offset2; + pbox->y2 = pbox->y1 + offset2; + TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC); + if(BOX_NOT_EMPTY((*pbox))) { + num++; + pbox++; + } + + pbox->x1 = pRects->x - offset1; + pbox->y1 = pRects->y + offset3; + pbox->x2 = pbox->x1 + offset2; + pbox->y2 = pbox->y1 + pRects->height - offset2; + TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC); + if(BOX_NOT_EMPTY((*pbox))) { + num++; + pbox++; + } + + pbox->x1 = pRects->x + pRects->width - offset1; + pbox->y1 = pRects->y + offset3; + pbox->x2 = pbox->x1 + offset2; + pbox->y2 = pbox->y1 + pRects->height - offset2; + TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC); + if(BOX_NOT_EMPTY((*pbox))) { + num++; + pbox++; + } + + pbox->x1 = pRects->x - offset1; + pbox->y1 = pRects->y + pRects->height - offset1; + pbox->x2 = pbox->x1 + pRects->width + offset2; + pbox->y2 = pbox->y1 + offset2; + TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC); + if(BOX_NOT_EMPTY((*pbox))) { + num++; + pbox++; + } + + pRects++; + } + + if(num) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, num, pBoxInit); + } else { + free(pBoxInit); + } + } + } + + (*pGC->ops->PolyRectangle)(pDraw, pGC, nRectsInit, pRectsInit); + + if(boxNotEmpty && pPriv->postRefresh) { + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + } else if(num) { + if(pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, num, pBoxInit); + free(pBoxInit); + } + + SHADOW_GC_OP_EPILOGUE(pGC); + +} + +static void +ShadowPolyArc( + DrawablePtr pDraw, + GCPtr pGC, + int narcsInit, + xArc *parcsInit +){ + BoxRec box; + Bool boxNotEmpty = FALSE; + + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw) && narcsInit) { + int narcs = narcsInit; + xArc *parcs = parcsInit; + int extra = pGC->lineWidth >> 1; + + box.x1 = parcs->x; + box.x2 = box.x1 + parcs->width; + box.y1 = parcs->y; + box.y2 = box.y1 + parcs->height; + + /* should I break these up instead ? */ + + while(--narcs) { + parcs++; + if(box.x1 > parcs->x) box.x1 = parcs->x; + if(box.x2 < (parcs->x + parcs->width)) + box.x2 = parcs->x + parcs->width; + if(box.y1 > parcs->y) box.y1 = parcs->y; + if(box.y2 < (parcs->y + parcs->height)) + box.y2 = parcs->y + parcs->height; + } + + if(extra) { + box.x1 -= extra; + box.x2 += extra; + box.y1 -= extra; + box.y2 += extra; + } + + box.x2++; + box.y2++; + + TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } + + (*pGC->ops->PolyArc)(pDraw, pGC, narcsInit, parcsInit); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + + SHADOW_GC_OP_EPILOGUE(pGC); + +} + +static void +ShadowFillPolygon( + DrawablePtr pDraw, + GCPtr pGC, + int shape, + int mode, + int count, + DDXPointPtr pptInit +){ + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw) && (count > 2)) { + DDXPointPtr ppt = pptInit; + int i = count; + BoxRec box; + Bool boxNotEmpty = FALSE; + + box.x2 = box.x1 = ppt->x; + box.y2 = box.y1 = ppt->y; + + if(mode != CoordModeOrigin) { + int x = box.x1; + int y = box.y1; + while(--i) { + ppt++; + x += ppt->x; + y += ppt->y; + if(box.x1 > x) box.x1 = x; + else if(box.x2 < x) box.x2 = x; + if(box.y1 > y) box.y1 = y; + else if(box.y2 < y) box.y2 = y; + } + } else { + while(--i) { + ppt++; + if(box.x1 > ppt->x) box.x1 = ppt->x; + else if(box.x2 < ppt->x) box.x2 = ppt->x; + if(box.y1 > ppt->y) box.y1 = ppt->y; + else if(box.y2 < ppt->y) box.y2 = ppt->y; + } + } + + box.x2++; + box.y2++; + + TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + + (*pGC->ops->FillPolygon)(pDraw, pGC, shape, mode, count, pptInit); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + } else + (*pGC->ops->FillPolygon)(pDraw, pGC, shape, mode, count, pptInit); + + SHADOW_GC_OP_EPILOGUE(pGC); +} + + +static void +ShadowPolyFillRect( + DrawablePtr pDraw, + GCPtr pGC, + int nRectsInit, + xRectangle *pRectsInit +){ + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw) && nRectsInit) { + BoxRec box; + Bool boxNotEmpty = FALSE; + xRectangle *pRects = pRectsInit; + int nRects = nRectsInit; + + box.x1 = pRects->x; + box.x2 = box.x1 + pRects->width; + box.y1 = pRects->y; + box.y2 = box.y1 + pRects->height; + + while(--nRects) { + pRects++; + if(box.x1 > pRects->x) box.x1 = pRects->x; + if(box.x2 < (pRects->x + pRects->width)) + box.x2 = pRects->x + pRects->width; + if(box.y1 > pRects->y) box.y1 = pRects->y; + if(box.y2 < (pRects->y + pRects->height)) + box.y2 = pRects->y + pRects->height; + } + + /* cfb messes with the pRectsInit so we have to do our + calculations first */ + + TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + + (*pGC->ops->PolyFillRect)(pDraw, pGC, nRectsInit, pRectsInit); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + } else + (*pGC->ops->PolyFillRect)(pDraw, pGC, nRectsInit, pRectsInit); + + SHADOW_GC_OP_EPILOGUE(pGC); +} + + +static void +ShadowPolyFillArc( + DrawablePtr pDraw, + GCPtr pGC, + int narcsInit, + xArc *parcsInit +){ + BoxRec box; + Bool boxNotEmpty = FALSE; + + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw) && narcsInit) { + xArc *parcs = parcsInit; + int narcs = narcsInit; + + box.x1 = parcs->x; + box.x2 = box.x1 + parcs->width; + box.y1 = parcs->y; + box.y2 = box.y1 + parcs->height; + + /* should I break these up instead ? */ + + while(--narcs) { + parcs++; + if(box.x1 > parcs->x) box.x1 = parcs->x; + if(box.x2 < (parcs->x + parcs->width)) + box.x2 = parcs->x + parcs->width; + if(box.y1 > parcs->y) box.y1 = parcs->y; + if(box.y2 < (parcs->y + parcs->height)) + box.y2 = parcs->y + parcs->height; + } + + TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } + + (*pGC->ops->PolyFillArc)(pDraw, pGC, narcsInit, parcsInit); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + + SHADOW_GC_OP_EPILOGUE(pGC); +} + +static void +ShadowTextExtent(FontPtr pFont, int count, char* chars, + FontEncoding fontEncoding, BoxPtr box) +{ + unsigned long n, i; + int w; + CharInfoPtr charinfo[255]; /* encoding only has 1 byte for count */ + + GetGlyphs(pFont, (unsigned long)count, (unsigned char *)chars, + fontEncoding, &n, charinfo); + w = 0; + for (i=0; i < n; i++) { + w += charinfo[i]->metrics.characterWidth; + } + if (i) { + w += charinfo[i - 1]->metrics.rightSideBearing; + } + + box->x1 = 0; + if (n) { + if (charinfo[0]->metrics.leftSideBearing < 0) { + box->x1 = charinfo[0]->metrics.leftSideBearing; + } + } + box->x2 = w; + box->y1 = -FONTMAXBOUNDS(pFont,ascent); + box->y2 = FONTMAXBOUNDS(pFont,descent); +} + + + +static void +ShadowFontToBox(BoxPtr BB, DrawablePtr pDrawable, GCPtr pGC, int x, int y, + int count, char *chars, int wide) +{ + FontPtr pFont; + + pFont = pGC->font; + if (pFont->info.constantWidth) { + int ascent, descent, left, right = 0; + + ascent = max(pFont->info.fontAscent, pFont->info.maxbounds.ascent); + descent = max(pFont->info.fontDescent, pFont->info.maxbounds.descent); + left = pFont->info.maxbounds.leftSideBearing; + if (count > 0) { + right = (count - 1) * pFont->info.maxbounds.characterWidth; + } + right += pFont->info.maxbounds.rightSideBearing; + BB->x1 = + max(pDrawable->x + x - left, (REGION_EXTENTS(pGC->pScreen, + &((WindowPtr) pDrawable)->winSize))->x1); + BB->y1 = + max(pDrawable->y + y - ascent, + (REGION_EXTENTS(pGC->pScreen, + &((WindowPtr) pDrawable)->winSize))->y1); + BB->x2 = + min(pDrawable->x + x + right, + (REGION_EXTENTS(pGC->pScreen, + &((WindowPtr) pDrawable)->winSize))->x2); + BB->y2 = + min(pDrawable->y + y + descent, + (REGION_EXTENTS(pGC->pScreen, + &((WindowPtr) pDrawable)->winSize))->y2); + } else { + ShadowTextExtent(pFont, count, chars, wide ? (FONTLASTROW(pFont) == 0) + ? Linear16Bit : TwoD16Bit : Linear8Bit, BB); + BB->x1 = + max(pDrawable->x + x + BB->x1, (REGION_EXTENTS(pGC->pScreen, + &((WindowPtr) pDrawable)->winSize))->x1); + BB->y1 = + max(pDrawable->y + y + BB->y1, + (REGION_EXTENTS(pGC->pScreen, + &((WindowPtr) pDrawable)->winSize))->y1); + BB->x2 = + min(pDrawable->x + x + BB->x2, + (REGION_EXTENTS(pGC->pScreen, + &((WindowPtr) pDrawable)->winSize))->x2); + BB->y2 = + min(pDrawable->y + y + BB->y2, + (REGION_EXTENTS(pGC->pScreen, + &((WindowPtr) pDrawable)->winSize))->y2); + } +} + +static int +ShadowPolyText8( + DrawablePtr pDraw, + GCPtr pGC, + int x, + int y, + int count, + char *chars +){ + int width; + BoxRec box; + Bool boxNotEmpty = FALSE; + + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw)) { + ShadowFontToBox(&box, pDraw, pGC, x, y, count, chars, 0); + + TRIM_BOX(box, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } + + width = (*pGC->ops->PolyText8)(pDraw, pGC, x, y, count, chars); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + + SHADOW_GC_OP_EPILOGUE(pGC); + + return width; +} + +static int +ShadowPolyText16( + DrawablePtr pDraw, + GCPtr pGC, + int x, + int y, + int count, + unsigned short *chars +){ + int width; + BoxRec box; + Bool boxNotEmpty = FALSE; + + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw)) { + ShadowFontToBox(&box, pDraw, pGC, x, y, count, (char*)chars, 1); + + TRIM_BOX(box, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } + + width = (*pGC->ops->PolyText16)(pDraw, pGC, x, y, count, chars); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + + SHADOW_GC_OP_EPILOGUE(pGC); + + return width; +} + +static void +ShadowImageText8( + DrawablePtr pDraw, + GCPtr pGC, + int x, + int y, + int count, + char *chars +){ + BoxRec box; + Bool boxNotEmpty = FALSE; + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw) && count) { + int top, bot, Min, Max; + + top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font)); + bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font)); + + Min = count * FONTMINBOUNDS(pGC->font, characterWidth); + if(Min > 0) Min = 0; + Max = count * FONTMAXBOUNDS(pGC->font, characterWidth); + if(Max < 0) Max = 0; + + /* ugh */ + box.x1 = pDraw->x + x + Min + + FONTMINBOUNDS(pGC->font, leftSideBearing); + box.x2 = pDraw->x + x + Max + + FONTMAXBOUNDS(pGC->font, rightSideBearing); + + box.y1 = pDraw->y + y - top; + box.y2 = pDraw->y + y + bot; + + TRIM_BOX(box, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } + + (*pGC->ops->ImageText8)(pDraw, pGC, x, y, count, chars); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + + SHADOW_GC_OP_EPILOGUE(pGC); +} +static void +ShadowImageText16( + DrawablePtr pDraw, + GCPtr pGC, + int x, + int y, + int count, + unsigned short *chars +){ + BoxRec box; + Bool boxNotEmpty = FALSE; + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw) && count) { + int top, bot, Min, Max; + + top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font)); + bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font)); + + Min = count * FONTMINBOUNDS(pGC->font, characterWidth); + if(Min > 0) Min = 0; + Max = count * FONTMAXBOUNDS(pGC->font, characterWidth); + if(Max < 0) Max = 0; + + /* ugh */ + box.x1 = pDraw->x + x + Min + + FONTMINBOUNDS(pGC->font, leftSideBearing); + box.x2 = pDraw->x + x + Max + + FONTMAXBOUNDS(pGC->font, rightSideBearing); + + box.y1 = pDraw->y + y - top; + box.y2 = pDraw->y + y + bot; + + TRIM_BOX(box, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } + + (*pGC->ops->ImageText16)(pDraw, pGC, x, y, count, chars); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + + SHADOW_GC_OP_EPILOGUE(pGC); +} + + +static void +ShadowImageGlyphBlt( + DrawablePtr pDraw, + GCPtr pGC, + int x, int y, + unsigned int nglyphInit, + CharInfoPtr *ppciInit, + pointer pglyphBase +){ + BoxRec box; + Bool boxNotEmpty = FALSE; + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw) && nglyphInit) { + CharInfoPtr *ppci = ppciInit; + unsigned int nglyph = nglyphInit; + int top, bot, width = 0; + + top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font)); + bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font)); + + box.x1 = ppci[0]->metrics.leftSideBearing; + if(box.x1 > 0) box.x1 = 0; + box.x2 = ppci[nglyph - 1]->metrics.rightSideBearing - + ppci[nglyph - 1]->metrics.characterWidth; + if(box.x2 < 0) box.x2 = 0; + + box.x2 += pDraw->x + x; + box.x1 += pDraw->x + x; + + while(nglyph--) { + width += (*ppci)->metrics.characterWidth; + ppci++; + } + + if(width > 0) + box.x2 += width; + else + box.x1 += width; + + box.y1 = pDraw->y + y - top; + box.y2 = pDraw->y + y + bot; + + TRIM_BOX(box, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } + + (*pGC->ops->ImageGlyphBlt)(pDraw, pGC, x, y, nglyphInit, + ppciInit, pglyphBase); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + + SHADOW_GC_OP_EPILOGUE(pGC); +} + +static void +ShadowPolyGlyphBlt( + DrawablePtr pDraw, + GCPtr pGC, + int x, int y, + unsigned int nglyphInit, + CharInfoPtr *ppciInit, + pointer pglyphBase +){ + BoxRec box; + Bool boxNotEmpty = FALSE; + + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw) && nglyphInit) { + CharInfoPtr *ppci = ppciInit; + unsigned int nglyph = nglyphInit; + + /* ugh */ + box.x1 = pDraw->x + x + ppci[0]->metrics.leftSideBearing; + box.x2 = pDraw->x + x + ppci[nglyph - 1]->metrics.rightSideBearing; + + if(nglyph > 1) { + int width = 0; + + while(--nglyph) { + width += (*ppci)->metrics.characterWidth; + ppci++; + } + + if(width > 0) box.x2 += width; + else box.x1 += width; + } + + box.y1 = pDraw->y + y - FONTMAXBOUNDS(pGC->font, ascent); + box.y2 = pDraw->y + y + FONTMAXBOUNDS(pGC->font, descent); + + TRIM_BOX(box, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } + + (*pGC->ops->PolyGlyphBlt)(pDraw, pGC, x, y, nglyphInit, + ppciInit, pglyphBase); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + + SHADOW_GC_OP_EPILOGUE(pGC); +} + +static void +ShadowPushPixels( + GCPtr pGC, + PixmapPtr pBitMap, + DrawablePtr pDraw, + int dx, int dy, int xOrg, int yOrg +){ + BoxRec box; + Bool boxNotEmpty = FALSE; + + SHADOW_GC_OP_PROLOGUE(pGC); + + if(IS_VISIBLE(pDraw)) { + box.x1 = xOrg; + box.y1 = yOrg; + + if(!pGC->miTranslate) { + box.x1 += pDraw->x; + box.y1 += pDraw->y; + } + + box.x2 = box.x1 + dx; + box.y2 = box.y1 + dy; + + TRIM_BOX(box, pGC); + if(BOX_NOT_EMPTY(box)) { + if(pPriv->preRefresh) + (*pPriv->preRefresh)(pPriv->pScrn, 1, &box); + boxNotEmpty = TRUE; + } + } + + (*pGC->ops->PushPixels)(pGC, pBitMap, pDraw, dx, dy, xOrg, yOrg); + + if(boxNotEmpty && pPriv->postRefresh) + (*pPriv->postRefresh)(pPriv->pScrn, 1, &box); + + SHADOW_GC_OP_EPILOGUE(pGC); +} + + +GCOps ShadowGCOps = { + ShadowFillSpans, ShadowSetSpans, + ShadowPutImage, ShadowCopyArea, + ShadowCopyPlane, ShadowPolyPoint, + ShadowPolylines, ShadowPolySegment, + ShadowPolyRectangle, ShadowPolyArc, + ShadowFillPolygon, ShadowPolyFillRect, + ShadowPolyFillArc, ShadowPolyText8, + ShadowPolyText16, ShadowImageText8, + ShadowImageText16, ShadowImageGlyphBlt, + ShadowPolyGlyphBlt, ShadowPushPixels, + {NULL} /* devPrivate */ +}; + -- cgit v1.2.3