void ImageDocument::setContents(const ImageContents &contents)
{
Q_D(ImageDocument);
if (contents.isNull()) {
clear();
return;
}
const auto header = contents.header();
d->type = header.type();
d->size = header.size();
d->imageFormat = header.imageFormat();
d->imageCount = header.imageCount();
d->mipmapCount = header.mipmapCount();
d->frameDelay = header.frameDelay();
d->loopCount = header.loopCount();
for (int index = 0; index < d->imageCount; ++index) {
for (int level = 0; level < d->mipmapCount; ++level) {
auto image = contents.image(index, level);
std::unique_ptr<ImageDocumentItem> item(new ImageDocumentItem(this));
item->setSize(image.size());
item->setImage(image);
d->items[ImageDocumentPrivate::ImageIndex(index, level)] = std::move(item);
}
}
emit contentsChanged();
}
QImage ImageContents::image(int index, int level) const
{
if (index < 0 || index >= imageCount())
return QImage();
if (level < 0 || level >= mipmapCount())
return QImage();
return d->images.value(ImageContentsData::ImageIndex(index, level));
}
void TestDds::testMipmaps()
{
QFETCH(QString, fileName);
QFETCH(QSize, size);
QFETCH(int, mipmapCount);
const QString path = QStringLiteral(":/data/") + fileName + QStringLiteral(".dds");
ImageIO reader(path);
// QVERIFY(reader.canRead());
const auto result = reader.read();
const auto &status = result.first;
const auto &contents = result.second;
const auto header = contents.header();
QVERIFY2(status, qPrintable(status.toString()));
QCOMPARE(header.mipmapCount(), mipmapCount);
for (int i = 0; i < header.mipmapCount(); ++i) {
QImage image = contents.image(0, i);
QVERIFY(!image.isNull());
QCOMPARE(image.size(), size / (1 << i));
QString sourcePath = QString(":/data/%1 %2.png").arg(fileName).arg(i);
QVERIFY(compareImages(image, QImage(sourcePath)) == true);
}
}
