static void
cwPaintWindowBorder(WindowPtr pWin, RegionPtr pRegion, int what)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
SCREEN_PROLOGUE(pScreen, PaintWindowBorder);
if (!cwDrawableIsRedirWindow((DrawablePtr)pWin)) {
(*pScreen->PaintWindowBorder)(pWin, pRegion, what);
} else {
DrawablePtr pBackingDrawable;
int x_off, y_off, x_screen, y_screen;
pBackingDrawable = cwGetBackingDrawable((DrawablePtr)pWin, &x_off,
&y_off);
x_screen = x_off - pWin->drawable.x;
y_screen = y_off - pWin->drawable.y;
REGION_TRANSLATE(pScreen, pRegion, x_screen, y_screen);
if (pWin->borderIsPixel) {
cwFillRegionSolid(pBackingDrawable, pRegion, pWin->border.pixel);
} else {
cwFillRegionTiled(pBackingDrawable, pRegion, pWin->border.pixmap,
x_off, y_off);
}
REGION_TRANSLATE(pScreen, pRegion, -x_screen, -y_screen);
}
SCREEN_EPILOGUE(pScreen, PaintWindowBorder, cwPaintWindowBorder);
}
static void
cwGetImage(DrawablePtr pSrc, int x, int y, int w, int h, unsigned int format,
unsigned long planemask, char *pdstLine)
{
ScreenPtr pScreen = pSrc->pScreen;
DrawablePtr pBackingDrawable;
int src_off_x, src_off_y;
SCREEN_PROLOGUE(pScreen, GetImage);
pBackingDrawable = cwGetBackingDrawable(pSrc, &src_off_x, &src_off_y);
CW_OFFSET_XY_SRC(x, y);
(*pScreen->GetImage)(pBackingDrawable, x, y, w, h, format, planemask,
pdstLine);
SCREEN_EPILOGUE(pScreen, GetImage, cwGetImage);
}
static Bool
cwCreateBackingGC(GCPtr pGC, DrawablePtr pDrawable)
{
cwGCRec *pPriv = getCwGC(pGC);
int status, x_off, y_off;
XID noexpose = xFalse;
DrawablePtr pBackingDrawable;
pBackingDrawable = cwGetBackingDrawable(pDrawable, &x_off, &y_off);
pPriv->pBackingGC = CreateGC(pBackingDrawable, GCGraphicsExposures,
&noexpose, &status, (XID)0, serverClient);
if (status != Success)
return FALSE;
pPriv->serialNumber = 0;
pPriv->stateChanges = GCAllBits;
return TRUE;
}
static void
cwPaintWindowBackground(WindowPtr pWin, RegionPtr pRegion, int what)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
SCREEN_PROLOGUE(pScreen, PaintWindowBackground);
if (!cwDrawableIsRedirWindow((DrawablePtr)pWin)) {
(*pScreen->PaintWindowBackground)(pWin, pRegion, what);
} else {
DrawablePtr pBackingDrawable;
int x_off, y_off, x_screen, y_screen;
while (pWin->backgroundState == ParentRelative)
pWin = pWin->parent;
pBackingDrawable = cwGetBackingDrawable((DrawablePtr)pWin, &x_off,
&y_off);
x_screen = x_off - pWin->drawable.x;
y_screen = y_off - pWin->drawable.y;
if (pWin && (pWin->backgroundState == BackgroundPixel ||
pWin->backgroundState == BackgroundPixmap))
{
REGION_TRANSLATE(pScreen, pRegion, x_screen, y_screen);
if (pWin->backgroundState == BackgroundPixel) {
cwFillRegionSolid(pBackingDrawable, pRegion,
pWin->background.pixel);
} else {
cwFillRegionTiled(pBackingDrawable, pRegion,
pWin->background.pixmap, x_off, y_off);
}
REGION_TRANSLATE(pScreen, pRegion, -x_screen, -y_screen);
}
}
SCREEN_EPILOGUE(pScreen, PaintWindowBackground, cwPaintWindowBackground);
}
static void
cwGetSpans(DrawablePtr pSrc, int wMax, DDXPointPtr ppt, int *pwidth,
int nspans, char *pdstStart)
{
ScreenPtr pScreen = pSrc->pScreen;
DrawablePtr pBackingDrawable;
int i;
int src_off_x, src_off_y;
SCREEN_PROLOGUE(pScreen, GetSpans);
pBackingDrawable = cwGetBackingDrawable(pSrc, &src_off_x, &src_off_y);
for (i = 0; i < nspans; i++)
CW_OFFSET_XY_SRC(ppt[i].x, ppt[i].y);
(*pScreen->GetSpans)(pBackingDrawable, wMax, ppt, pwidth, nspans,
pdstStart);
SCREEN_EPILOGUE(pScreen, GetSpans, cwGetSpans);
}
static void
cwValidatePicture(PicturePtr pPicture, Mask mask)
{
DrawablePtr pDrawable = pPicture->pDrawable;
ScreenPtr pScreen = pDrawable->pScreen;
cwPsDecl(pScreen);
cwPicturePrivate;
cwPsUnwrap(ValidatePicture);
/*
* Must call ValidatePicture to ensure pPicture->pCompositeClip is valid
*/
(*ps->ValidatePicture) (pPicture, mask);
if (!cwDrawableIsRedirWindow(pDrawable)) {
if (pPicturePrivate)
cwDestroyPicturePrivate(pPicture);
}
else {
PicturePtr pBackingPicture;
DrawablePtr pBackingDrawable;
int x_off, y_off;
pBackingDrawable = cwGetBackingDrawable(pDrawable, &x_off, &y_off);
if (pPicturePrivate &&
pPicturePrivate->pBackingPicture->pDrawable != pBackingDrawable) {
cwDestroyPicturePrivate(pPicture);
pPicturePrivate = 0;
}
if (!pPicturePrivate) {
pPicturePrivate = cwCreatePicturePrivate(pPicture);
if (!pPicturePrivate) {
cwPsWrap(ValidatePicture, cwValidatePicture);
return;
}
}
pBackingPicture = pPicturePrivate->pBackingPicture;
/*
* Always copy transform and filters because there's no
* indication of when they've changed
*/
SetPictureTransform(pBackingPicture, pPicture->transform);
if (pBackingPicture->filter != pPicture->filter ||
pPicture->filter_nparams > 0) {
char *filter = PictureGetFilterName(pPicture->filter);
SetPictureFilter(pBackingPicture,
filter, strlen(filter),
pPicture->filter_params, pPicture->filter_nparams);
}
pPicturePrivate->stateChanges |= mask;
if (pPicturePrivate->serialNumber != pDrawable->serialNumber ||
(pPicturePrivate->
stateChanges & (CPClipXOrigin | CPClipYOrigin | CPClipMask))) {
SetPictureClipRegion(pBackingPicture, x_off - pDrawable->x,
y_off - pDrawable->y,
pPicture->pCompositeClip);
pPicturePrivate->serialNumber = pDrawable->serialNumber;
pPicturePrivate->stateChanges &=
~(CPClipXOrigin | CPClipYOrigin | CPClipMask);
}
CopyPicture(pPicture, pPicturePrivate->stateChanges, pBackingPicture);
ValidatePicture(pBackingPicture);
}
cwPsWrap(ValidatePicture, cwValidatePicture);
}
static void
cwCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
SCREEN_PROLOGUE(pScreen, CopyWindow);
if (!cwDrawableIsRedirWindow((DrawablePtr)pWin)) {
(*pScreen->CopyWindow)(pWin, ptOldOrg, prgnSrc);
} else {
GCPtr pGC;
BoxPtr pExtents;
int x_off, y_off;
int dx, dy;
PixmapPtr pBackingPixmap;
RegionPtr pClip;
int src_x, src_y, dst_x, dst_y, w, h;
dx = ptOldOrg.x - pWin->drawable.x;
dy = ptOldOrg.y - pWin->drawable.y;
pExtents = RegionExtents(prgnSrc);
pBackingPixmap = (PixmapPtr) cwGetBackingDrawable((DrawablePtr)pWin,
&x_off, &y_off);
src_x = pExtents->x1 - pBackingPixmap->screen_x;
src_y = pExtents->y1 - pBackingPixmap->screen_y;
w = pExtents->x2 - pExtents->x1;
h = pExtents->y2 - pExtents->y1;
dst_x = src_x - dx;
dst_y = src_y - dy;
/* Translate region (as required by API) */
RegionTranslate(prgnSrc, -dx, -dy);
pGC = GetScratchGC(pBackingPixmap->drawable.depth, pScreen);
/*
* Copy region to GC as clip, aligning as dest clip
*/
pClip = RegionCreate(NULL, 0);
RegionIntersect(pClip, &pWin->borderClip, prgnSrc);
RegionTranslate(pClip,
-pBackingPixmap->screen_x,
-pBackingPixmap->screen_y);
(*pGC->funcs->ChangeClip) (pGC, CT_REGION, pClip, 0);
ValidateGC(&pBackingPixmap->drawable, pGC);
(*pGC->ops->CopyArea) (&pBackingPixmap->drawable,
&pBackingPixmap->drawable, pGC,
src_x, src_y, w, h, dst_x, dst_y);
(*pGC->funcs->DestroyClip) (pGC);
FreeScratchGC(pGC);
}
SCREEN_EPILOGUE(pScreen, CopyWindow, cwCopyWindow);
}
static void
cwValidateGC(GCPtr pGC, unsigned long stateChanges, DrawablePtr pDrawable)
{
GCPtr pBackingGC;
cwGCPtr pPriv;
DrawablePtr pBackingDrawable;
int x_off, y_off;
pPriv = (cwGCPtr) getCwGC (pGC);
FUNC_PROLOGUE(pGC, pPriv);
/*
* Must call ValidateGC to ensure pGC->pCompositeClip is valid
*/
(*pGC->funcs->ValidateGC)(pGC, stateChanges, pDrawable);
if (!cwDrawableIsRedirWindow(pDrawable)) {
cwDestroyBackingGC(pGC);
FUNC_EPILOGUE(pGC, pPriv);
return;
} else {
if (!pPriv->pBackingGC && !cwCreateBackingGC(pGC, pDrawable)) {
FUNC_EPILOGUE(pGC, pPriv);
return;
}
}
pBackingGC = pPriv->pBackingGC;
pBackingDrawable = cwGetBackingDrawable(pDrawable, &x_off, &y_off);
pPriv->stateChanges |= stateChanges;
/*
* Copy the composite clip into the backing GC if either
* the drawable clip list has changed or the client has changed
* the client clip data
*/
if (pDrawable->serialNumber != pPriv->serialNumber ||
(pPriv->stateChanges & (GCClipXOrigin|GCClipYOrigin|GCClipMask)))
{
ChangeGCVal vals[2];
RegionPtr pCompositeClip;
pCompositeClip = RegionCreate(NULL, 0);
RegionCopy(pCompositeClip, pGC->pCompositeClip);
/* Either the drawable has changed, or the clip list in the drawable has
* changed. Copy the new clip list over and set the new translated
* offset for it.
*/
(*pBackingGC->funcs->ChangeClip) (pBackingGC, CT_REGION,
(pointer) pCompositeClip, 0);
vals[0].val = x_off - pDrawable->x;
vals[1].val = y_off - pDrawable->y;
ChangeGC(NullClient, pBackingGC,
(GCClipXOrigin | GCClipYOrigin), vals);
pPriv->serialNumber = pDrawable->serialNumber;
/*
* Mask off any client clip changes to make sure
* the clip list set above remains in effect
*/
pPriv->stateChanges &= ~(GCClipXOrigin|GCClipYOrigin|GCClipMask);
}
if (pPriv->stateChanges) {
CopyGC(pGC, pBackingGC, pPriv->stateChanges);
pPriv->stateChanges = 0;
}
if ((pGC->patOrg.x + x_off) != pBackingGC->patOrg.x ||
(pGC->patOrg.y + y_off) != pBackingGC->patOrg.y)
{
ChangeGCVal vals[2];
vals[0].val = pGC->patOrg.x + x_off;
vals[1].val = pGC->patOrg.y + y_off;
ChangeGC(NullClient, pBackingGC,
(GCTileStipXOrigin | GCTileStipYOrigin), vals);
}
ValidateGC(pBackingDrawable, pBackingGC);
FUNC_EPILOGUE(pGC, pPriv);
}