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[qt] Don't recreate the surface returned by nsWindow::ThebesSurface()

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This commit is contained in:
Vladimir Vukicevic 2008-04-28 18:16:45 -07:00
parent ede6009659
commit 1adf3e02b3
1 changed files with 5 additions and 32 deletions
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37
widget/src/qt/nsWindow.cpp
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@ -2358,38 +2358,11 @@ nsWindow::createQWidget(QWidget *parent, nsWidgetInitData *aInitData)
gfxASurface*
nsWindow::GetThebesSurface()
{
// XXXvlad always create a new thebes surface for now,
// because the old clip doesn't get cleared otherwise.
// we should fix this at some point, and just reset
// the clip.
mThebesSurface = nsnull;
if (!mThebesSurface) {
#ifdef QT_XLIB_SURFACE
qint32 x_offset = 0, y_offset = 0;
qint32 width = mDrawingArea->width(), height = mDrawingArea->height();
// Owen Taylor says this is the right thing to do!
width = PR_MIN(32767, width);
height = PR_MIN(32767, height);
mThebesSurface = new gfxXlibSurface
(mDrawingArea->x11Info().display(),
(Drawable)mDrawingArea->handle(),
static_cast<Visual*>(mDrawingArea->x11Info().visual()),
gfxIntSize(width, height));
// if the surface creation is reporting an error, then
// we don't have a surface to give back
if (mThebesSurface && mThebesSurface->CairoStatus() != 0)
mThebesSurface = nsnull;
if (mThebesSurface) {
mThebesSurface->SetDeviceOffset(gfxPoint(-x_offset, -y_offset));
}
#else
mThebesSurface = new gfxQPainterSurface(gfxIntSize(5,5), gfxASurface::CONTENT_COLOR_ALPHA);
#endif
}
/* This is really a dummy surface; this is only used when doing reflow, because
* we need a RenderingContext to measure text against.
*/
if (!mThebesSurface)
mThebesSurface = new gfxQPainterSurface(gfxIntSize(5,5), gfxASurface::CONTENT_COLOR);
return mThebesSurface;
}