diff options
Diffstat (limited to 'dix/gc.c')
-rw-r--r-- | dix/gc.c | 110 |
1 files changed, 46 insertions, 64 deletions
@@ -458,32 +458,21 @@ ChangeGCXIDs(ClientPtr client, GC * pGC, BITS32 mask, CARD32 *pC32) return ChangeGC(client, pGC, mask, vals); } -/* CreateGC(pDrawable, mask, pval, pStatus) - creates a default GC for the given drawable, using mask to fill - in any non-default values. - Returns a pointer to the new GC on success, NULL otherwise. - returns status of non-default fields in pStatus -BUG: - should check for failure to create default tile - -*/ -GCPtr -CreateGC(DrawablePtr pDrawable, BITS32 mask, XID *pval, int *pStatus, - XID gcid, ClientPtr client) +static GCPtr +NewGCObject(ScreenPtr pScreen, int depth) { GCPtr pGC; pGC = dixAllocateObjectWithPrivates(GC, PRIVATE_GC); if (!pGC) { - *pStatus = BadAlloc; return (GCPtr) NULL; } - pGC->pScreen = pDrawable->pScreen; - pGC->depth = pDrawable->depth; + pGC->pScreen = pScreen; + pGC->depth = depth; pGC->alu = GXcopy; /* dst <- src */ pGC->planemask = ~0; - pGC->serialNumber = GC_CHANGE_SERIAL_BIT; + pGC->serialNumber = 0; pGC->funcs = 0; pGC->fgPixel = 0; pGC->bgPixel = 1; @@ -496,17 +485,8 @@ CreateGC(DrawablePtr pDrawable, BITS32 mask, XID *pval, int *pStatus, pGC->arcMode = ArcPieSlice; pGC->tile.pixel = 0; pGC->tile.pixmap = NullPixmap; - if (mask & GCForeground) { - /* - * magic special case -- ChangeGC checks for this condition - * and snags the Foreground value to create a pseudo default-tile - */ - pGC->tileIsPixel = FALSE; - } - else { - pGC->tileIsPixel = TRUE; - } + pGC->tileIsPixel = TRUE; pGC->patOrg.x = 0; pGC->patOrg.y = 0; pGC->subWindowMode = ClipByChildren; @@ -521,12 +501,49 @@ CreateGC(DrawablePtr pDrawable, BITS32 mask, XID *pval, int *pStatus, /* use the default font and stipple */ pGC->font = defaultFont; - defaultFont->refcnt++; + if (pGC->font) /* necessary, because open of default font could fail */ + pGC->font->refcnt++; pGC->stipple = pGC->pScreen->PixmapPerDepth[0]; - pGC->stipple->refcnt++; + if (pGC->stipple) + pGC->stipple->refcnt++; /* this is not a scratch GC */ pGC->scratch_inuse = FALSE; + return pGC; +} + +/* CreateGC(pDrawable, mask, pval, pStatus) + creates a default GC for the given drawable, using mask to fill + in any non-default values. + Returns a pointer to the new GC on success, NULL otherwise. + returns status of non-default fields in pStatus +BUG: + should check for failure to create default tile + +*/ +GCPtr +CreateGC(DrawablePtr pDrawable, BITS32 mask, XID *pval, int *pStatus, + XID gcid, ClientPtr client) +{ + GCPtr pGC; + + pGC = NewGCObject(pDrawable->pScreen, pDrawable->depth); + if (!pGC) { + *pStatus = BadAlloc; + return (GCPtr) NULL; + } + + pGC->serialNumber = GC_CHANGE_SERIAL_BIT; + if (mask & GCForeground) { + /* + * magic special case -- ChangeGC checks for this condition + * and snags the Foreground value to create a pseudo default-tile + */ + pGC->tileIsPixel = FALSE; + } + else { + pGC->tileIsPixel = TRUE; + } /* security creation/labeling check */ *pStatus = XaceHook(XACE_RESOURCE_ACCESS, client, gcid, RT_GC, pGC, @@ -784,45 +801,10 @@ CreateScratchGC(ScreenPtr pScreen, unsigned depth) { GCPtr pGC; - pGC = dixAllocateObjectWithPrivates(GC, PRIVATE_GC); + pGC = NewGCObject(pScreen, depth); if (!pGC) return (GCPtr) NULL; - pGC->pScreen = pScreen; - pGC->depth = depth; - pGC->alu = GXcopy; /* dst <- src */ - pGC->planemask = ~0; - pGC->serialNumber = 0; - pGC->fgPixel = 0; - pGC->bgPixel = 1; - pGC->lineWidth = 0; - pGC->lineStyle = LineSolid; - pGC->capStyle = CapButt; - pGC->joinStyle = JoinMiter; - pGC->fillStyle = FillSolid; - pGC->fillRule = EvenOddRule; - pGC->arcMode = ArcPieSlice; - pGC->font = defaultFont; - if (pGC->font) /* necessary, because open of default font could fail */ - pGC->font->refcnt++; - pGC->tileIsPixel = TRUE; - pGC->tile.pixel = 0; - pGC->tile.pixmap = NullPixmap; - pGC->stipple = NullPixmap; - pGC->patOrg.x = 0; - pGC->patOrg.y = 0; - pGC->subWindowMode = ClipByChildren; - pGC->graphicsExposures = TRUE; - pGC->clipOrg.x = 0; - pGC->clipOrg.y = 0; - pGC->clientClipType = CT_NONE; - pGC->dashOffset = 0; - pGC->numInDashList = 2; - pGC->dash = DefaultDash; - - /* scratch GCs in the GCperDepth pool start off unused */ - pGC->scratch_inuse = FALSE; - pGC->stateChanges = GCAllBits; if (!(*pScreen->CreateGC) (pGC)) { FreeGC(pGC, (XID) 0); |