void
miDCDeviceCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
{
miDCBufferPtr pBuffer;
int i;
if (DevHasCursor(pDev))
{
for (i = 0; i < screenInfo.numScreens; i++)
{
pScreen = screenInfo.screens[i];
pBuffer = miGetDCDevice(pDev, pScreen);
if (pBuffer)
{
if (pBuffer->pSourceGC) FreeGC(pBuffer->pSourceGC, (GContext) 0);
if (pBuffer->pMaskGC) FreeGC(pBuffer->pMaskGC, (GContext) 0);
if (pBuffer->pSaveGC) FreeGC(pBuffer->pSaveGC, (GContext) 0);
if (pBuffer->pRestoreGC) FreeGC(pBuffer->pRestoreGC, (GContext) 0);
#ifdef ARGB_CURSOR
/* If a pRootPicture was allocated for a root window, it
* is freed when that root window is destroyed, so don't
* free it again here. */
#endif
if (pBuffer->pSave) (*pScreen->DestroyPixmap)(pBuffer->pSave);
free(pBuffer);
dixSetScreenPrivate(&pDev->devPrivates, miDCDeviceKey, pScreen, NULL);
}
}
}
}
Bool
CreateGCperDepth(int screenNum)
{
register int i;
register ScreenPtr pScreen;
DepthPtr pDepth;
GCPtr *ppGC;
pScreen = screenInfo.screens[screenNum];
pScreen->rgf = 0;
ppGC = pScreen->GCperDepth;
/* do depth 1 separately because it's not included in list */
if (!(ppGC[0] = CreateScratchGC(pScreen, 1)))
return FALSE;
ppGC[0]->graphicsExposures = FALSE;
/* Make sure we don't overflow GCperDepth[] */
if( pScreen->numDepths > MAXFORMATS )
return FALSE;
pDepth = pScreen->allowedDepths;
for (i=0; i<pScreen->numDepths; i++, pDepth++)
{
if (!(ppGC[i+1] = CreateScratchGC(pScreen, pDepth->depth)))
{
for (; i >= 0; i--)
(void)FreeGC(ppGC[i], (XID)0);
return FALSE;
}
ppGC[i+1]->graphicsExposures = FALSE;
}
return TRUE;
}
/*
if the gc to free is in the table of pre-existing ones,
mark it as available.
if not, free it for real
*/
void
FreeScratchGC(GCPtr pGC)
{
if (pGC->scratch_inuse)
pGC->scratch_inuse = FALSE;
else
FreeGC(pGC, (GContext) 0);
}
static void
cwDestroyBackingGC(GCPtr pGC)
{
cwGCPtr pPriv;
pPriv = (cwGCPtr) getCwGC (pGC);
if (pPriv->pBackingGC) {
FreeGC(pPriv->pBackingGC, (XID)0);
pPriv->pBackingGC = NULL;
}
}
_X_EXPORT GCPtr
CreateScratchGC(ScreenPtr pScreen, unsigned depth)
{
register GCPtr pGC;
pGC = AllocateGC(pScreen);
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->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;
pGC->lastWinOrg.x = 0;
pGC->lastWinOrg.y = 0;
pGC->stateChanges = (1 << (GCLastBit+1)) - 1;
if (!(*pScreen->CreateGC)(pGC))
{
FreeGC(pGC, (XID)0);
pGC = (GCPtr)NULL;
}
return pGC;
}
void
FreeGCperDepth(int screenNum)
{
register int i;
register ScreenPtr pScreen;
GCPtr *ppGC;
pScreen = screenInfo.screens[screenNum];
ppGC = pScreen->GCperDepth;
for (i = 0; i <= pScreen->numDepths; i++)
(void)FreeGC(ppGC[i], (XID)0);
pScreen->rgf = ~0L;
}
void
FreeGCperDepth(int screenNum)
{
int i;
ScreenPtr pScreen;
GCPtr *ppGC;
pScreen = screenInfo.screens[screenNum];
ppGC = pScreen->GCperDepth;
for (i = 0; i <= pScreen->numDepths; i++) {
(void) FreeGC(ppGC[i], (XID) 0);
ppGC[i] = NULL;
}
}
/* 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,
RT_NONE, NULL, DixCreateAccess | DixSetAttrAccess);
if (*pStatus != Success)
goto out;
pGC->stateChanges = GCAllBits;
if (!(*pGC->pScreen->CreateGC) (pGC))
*pStatus = BadAlloc;
else if (mask)
*pStatus = ChangeGCXIDs(client, pGC, mask, pval);
else
*pStatus = Success;
out:
if (*pStatus != Success) {
if (!pGC->tileIsPixel && !pGC->tile.pixmap)
pGC->tileIsPixel = TRUE; /* undo special case */
FreeGC(pGC, (XID) 0);
pGC = (GCPtr) NULL;
}
return pGC;
}
/*
if the gc to free is in the table of pre-existing ones,
mark it as available.
if not, free it for real
*/
_X_EXPORT void
FreeScratchGC(register GCPtr pGC)
{
register ScreenPtr pScreen = pGC->pScreen;
register int i;
for (i=0; i<=pScreen->numDepths; i++)
{
if ( pScreen->GCperDepth[i] == pGC)
{
pScreen->rgf &= ~(1L << (i+1));
return;
}
}
(void)FreeGC(pGC, (GContext)0);
}
static GCPtr
CreateScratchGC(ScreenPtr pScreen, unsigned depth)
{
GCPtr pGC;
pGC = NewGCObject(pScreen, depth);
if (!pGC)
return (GCPtr) NULL;
pGC->stateChanges = GCAllBits;
if (!(*pScreen->CreateGC) (pGC)) {
FreeGC(pGC, (XID) 0);
pGC = (GCPtr) NULL;
}
pGC->graphicsExposures = FALSE;
return pGC;
}
_X_EXPORT GCPtr
CreateGC(DrawablePtr pDrawable, BITS32 mask, XID *pval, int *pStatus)
{
register GCPtr pGC;
pGC = AllocateGC(pDrawable->pScreen);
if (!pGC)
{
*pStatus = BadAlloc;
return (GCPtr)NULL;
}
pGC->pScreen = pDrawable->pScreen;
pGC->depth = pDrawable->depth;
pGC->alu = GXcopy; /* dst <- src */
pGC->planemask = ~0;
pGC->serialNumber = GC_CHANGE_SERIAL_BIT;
pGC->funcs = 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;
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;
pGC->tile.pixmap = NullPixmap;
}
else
{
pGC->tileIsPixel = TRUE;
pGC->tile.pixel = 0;
}
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->clientClip = (pointer)NULL;
pGC->numInDashList = 2;
pGC->dash = DefaultDash;
pGC->dashOffset = 0;
pGC->lastWinOrg.x = 0;
pGC->lastWinOrg.y = 0;
/* use the default font and stipple */
pGC->font = defaultFont;
defaultFont->refcnt++;
pGC->stipple = pGC->pScreen->PixmapPerDepth[0];
pGC->stipple->refcnt++;
pGC->stateChanges = (1 << (GCLastBit+1)) - 1;
if (!(*pGC->pScreen->CreateGC)(pGC))
*pStatus = BadAlloc;
else if (mask)
*pStatus = ChangeGC(pGC, mask, pval);
else
*pStatus = Success;
if (*pStatus != Success)
{
if (!pGC->tileIsPixel && !pGC->tile.pixmap)
pGC->tileIsPixel = TRUE; /* undo special case */
FreeGC(pGC, (XID)0);
pGC = (GCPtr)NULL;
}
return (pGC);
}
