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author | marha <marha@users.sourceforge.net> | 2010-05-15 16:28:11 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2010-05-15 16:28:11 +0000 |
commit | c38dead3ea7e177728d90cd815cf4eead0c9f534 (patch) | |
tree | b809dba1dc9013bb1e67a5ee388f2dd217dc0f88 /xorg-server/hw/xfree86/shadowfb/shadow.c | |
parent | 6083a94d68878c9ad5f59b28bd07e4738e9fb7b4 (diff) | |
download | vcxsrv-c38dead3ea7e177728d90cd815cf4eead0c9f534.tar.gz vcxsrv-c38dead3ea7e177728d90cd815cf4eead0c9f534.tar.bz2 vcxsrv-c38dead3ea7e177728d90cd815cf4eead0c9f534.zip |
xserver git update 15/5/2010
Diffstat (limited to 'xorg-server/hw/xfree86/shadowfb/shadow.c')
-rw-r--r-- | xorg-server/hw/xfree86/shadowfb/shadow.c | 3458 |
1 files changed, 1729 insertions, 1729 deletions
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 <xorg-config.h> -#endif - -#include <X11/X.h> -#include <X11/Xproto.h> -#include "misc.h" -#include "pixmapstr.h" -#include "input.h" -#include <X11/fonts/font.h> -#include "mi.h" -#include "scrnintstr.h" -#include "windowstr.h" -#include "gcstruct.h" -#include "dixfontstr.h" -#include <X11/fonts/fontstruct.h> -#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 <xorg-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "pixmapstr.h"
+#include "input.h"
+#include <X11/fonts/font.h>
+#include "mi.h"
+#include "scrnintstr.h"
+#include "windowstr.h"
+#include "gcstruct.h"
+#include "dixfontstr.h"
+#include <X11/fonts/fontstruct.h>
+#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 */
+};
+
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