void tst_QVolatileImage::create()
{
QVolatileImage nullImg;
QVERIFY(nullImg.isNull());
QVolatileImage img(100, 200, QImage::Format_ARGB32);
QVERIFY(!img.isNull());
QCOMPARE(img.width(), 100);
QCOMPARE(img.height(), 200);
QCOMPARE(img.format(), QImage::Format_ARGB32);
QCOMPARE(img.byteCount(), img.bytesPerLine() * img.height());
QCOMPARE(img.hasAlphaChannel(), true);
QCOMPARE(img.depth(), 32);
QImage source(12, 23, QImage::Format_ARGB32_Premultiplied);
img = QVolatileImage(source);
QVERIFY(!img.isNull());
QCOMPARE(img.width(), 12);
QCOMPARE(img.height(), 23);
QCOMPARE(img.format(), source.format());
QCOMPARE(img.byteCount(), img.bytesPerLine() * img.height());
QVERIFY(img.imageRef() == source);
QVERIFY(img.toImage() == source);
QCOMPARE(img.hasAlphaChannel(), true);
QCOMPARE(img.hasAlphaChannel(), img.imageRef().hasAlphaChannel());
QCOMPARE(img.hasAlphaChannel(), img.toImage().hasAlphaChannel());
QCOMPARE(img.depth(), 32);
}
void QVolatileImagePaintEngine::drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr)
{
#ifdef Q_OS_SYMBIAN
QVolatileImage img = pm.pixmapData()->toVolatileImage();
if (!img.isNull()) {
img.beginDataAccess();
QRasterPaintEngine::drawImage(r, img.constImageRef(), sr);
img.endDataAccess(true);
} else {
QRasterPaintEngine::drawPixmap(r, pm, sr);
}
#else
QRasterPaintEngine::drawPixmap(r, pm, sr);
#endif
}
void QVolatileImagePaintEngine::drawPixmap(const QPointF &p, const QPixmap &pm)
{
#ifdef Q_OS_SYMBIAN
QVolatileImage img = pm.pixmapData()->toVolatileImage();
if (!img.isNull()) {
img.beginDataAccess();
// imageRef() would detach and since we received the QVolatileImage from
// toVolatileImage() by value, it would cause a copy which would ruin
// our goal. So use constImageRef() instead.
QRasterPaintEngine::drawImage(p, img.constImageRef());
img.endDataAccess(true);
} else {
QRasterPaintEngine::drawPixmap(p, pm);
}
#else
QRasterPaintEngine::drawPixmap(p, pm);
#endif
}
void tst_QVolatileImage::create()
{
QVolatileImage nullImg;
QVERIFY(nullImg.isNull());
QVolatileImage img(100, 200, QImage::Format_ARGB32);
QVERIFY(!img.isNull());
QCOMPARE(img.width(), 100);
QCOMPARE(img.height(), 200);
QCOMPARE(img.format(), QImage::Format_ARGB32);
QCOMPARE(img.byteCount(), img.bytesPerLine() * img.height());
QCOMPARE(img.hasAlphaChannel(), true);
QCOMPARE(img.depth(), 32);
QImage source(12, 23, QImage::Format_ARGB32_Premultiplied);
img = QVolatileImage(source);
QVERIFY(!img.isNull());
QCOMPARE(img.width(), 12);
QCOMPARE(img.height(), 23);
QCOMPARE(img.format(), source.format());
QCOMPARE(img.byteCount(), img.bytesPerLine() * img.height());
QVERIFY(img.imageRef() == source);
QVERIFY(img.toImage() == source);
QCOMPARE(img.hasAlphaChannel(), true);
QCOMPARE(img.hasAlphaChannel(), img.imageRef().hasAlphaChannel());
QCOMPARE(img.hasAlphaChannel(), img.toImage().hasAlphaChannel());
QCOMPARE(img.depth(), 32);
#ifdef Q_OS_SYMBIAN
CFbsBitmap *bmp = new CFbsBitmap;
QVERIFY(bmp->Create(TSize(100, 50), EColor16MAP) == KErrNone);
QVolatileImage bmpimg(bmp);
QVERIFY(!bmpimg.isNull());
QCOMPARE(bmpimg.width(), 100);
QCOMPARE(bmpimg.height(), 50);
// Verify that we only did handle duplication, not pixel data copying.
QCOMPARE(bmpimg.constBits(), (const uchar *) bmp->DataAddress());
delete bmp;
// Check if content is still valid.
QImage copyimg = bmpimg.toImage();
QCOMPARE(copyimg.format(), QImage::Format_ARGB32_Premultiplied);
#endif
}