void StatusView::Draw(
BRect updateRect) {
D_HOOK(("StatusView::Draw()\n"));
if(!m_backView) {
drawInto(this, updateRect);
} else {
if(m_dirty) {
m_backBitmap->Lock();
drawInto(m_backView, updateRect);
m_backView->Sync();
m_backBitmap->Unlock();
m_dirty = false;
}
SetDrawingMode(B_OP_COPY);
DrawBitmap(m_backBitmap, updateRect, updateRect);
}
}
void onDraw(SkCanvas* canvas) override {
SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100);
SkAutoTUnref<SkSurface> surf(canvas->newSurface(info, nullptr));
if (!surf.get()) {
surf.reset(SkSurface::NewRaster(info));
}
drawInto(surf->getCanvas());
SkAutoTUnref<SkImage> image(surf->newImageSnapshot());
canvas->drawImage(image, 10, 10, nullptr);
SkAutoTUnref<SkSurface> surf2(image->newSurface(info, nullptr));
drawInto(surf2->getCanvas());
// Assert that the props were communicated transitively through the first image
SkASSERT(equal(surf->props(), surf2->props()));
SkAutoTUnref<SkImage> image2(surf2->newImageSnapshot());
canvas->drawImage(image2, 10 + SkIntToScalar(image->width()) + 10, 10, nullptr);
}
