QPoint EnlargeShrink::getCenter(const QuillImage &img) const
{
QPoint center = m_Center;
if (!img.isFragment() || (img.width() == 170 && img.height() == 170)) {
center.setX(center.x() * img.width() / img.fullImageSize().width());
center.setY(center.y() * img.height() / img.fullImageSize().height());
}
return center;
}
double EnlargeShrink::getRadius(const QuillImage &img) const
{
double radius = m_Radius;
if (!img.isFragment() || (img.width() == 170 && img.height() == 170)) {
if (img.fullImageSize().width() < img.fullImageSize().height()) {
radius = radius * img.width() / img.fullImageSize().width();
} else {
radius = radius * img.height() / img.fullImageSize().height();
}
}
return radius;
}
QuillImage EnlargeShrink::apply(const QuillImage& image) const
{
if (image.fullImageSize().isEmpty()) {
return QImage();
}
QuillImage out;
enlargeShrink(image, &out);
return out;
}
void ut_tileloading::testFilter()
{
QFile testFile("/usr/share/libquill-tests/images/image_16x4.jpg");
TileCache *tileCache = new TileCache(100);
QVERIFY(tileCache);
QuillImageFilter *filter =
QuillImageFilterFactory::createImageFilter(QuillImageFilter::Role_Load);
QVERIFY(filter);
filter->setOption(QuillImageFilter::FileName,
testFile.fileName());
TileMap tileMap(QSize(8, 2), QSize(2, 2), tileCache);
for (int i=0; i<4; i++) {
QCOMPARE(tileMap.tile(i).fullImageSize(), QSize(8, 2));
QuillImage tile = filter->apply(tileMap.tile(i));
QCOMPARE(tile.fullImageSize(), QSize(8, 2));;
tileMap.setTile(i, tile);
QCOMPARE(tileMap.tile(i).fullImageSize(), QSize(8, 2));
}
QImage image("/usr/share/libquill-tests/images/image_16x4.png");
QCOMPARE(tileMap.tile(0).area(), QRect(0, 0, 2, 2));
test_utils::analyze((QImage)tileMap.tile(0), image.copy(0, 0, 2, 2), 13);
QCOMPARE(tileMap.tile(1).area(), QRect(2, 0, 2, 2));
test_utils::analyze((QImage)tileMap.tile(1), image.copy(2, 0, 2, 2), 13);
QCOMPARE(tileMap.tile(2).area(), QRect(4, 0, 2, 2));
test_utils::analyze((QImage)tileMap.tile(2), image.copy(4, 0, 2, 2), 13);
QCOMPARE(tileMap.tile(3).area(), QRect(6, 0, 2, 2));
test_utils::analyze((QImage)tileMap.tile(3), image.copy(6, 0, 2, 2), 13);
delete filter;
delete tileCache;
}
QuillImage SaveFilter::saveJpeg(const QuillImage &image) const
{
// For thumbnail saving, set save target size to the thumbnail size
QSize targetSize = image.fullImageSize();
if (!image.isFragment())
targetSize = image.size();
if (priv->serialSaver == 0)
priv->serialSaver = new SerialSaver(priv->fileName,
targetSize,
priv->rawExifData);
bool result = priv->serialSaver->process(image);
priv->tileCount--;
setFileModificationDateTime();
if (result)
return image;
else
return QuillImage();
}
QuillImage LoadFilter::apply(const QuillImage &tile) const
{
if (priv->fileFormatQt.isEmpty() && !priv->isInvalid)
const_cast<LoadFilter *>(this)->detectFormat();
if (priv->isInvalid)
return QuillImage();
bool isNew = !reader
|| (filterAddress != this)
|| !priv->bufferInitialized
|| !tile.isFragment()
|| (priv->fileFormatQt != reader->format())
|| (!tile.targetSize().isEmpty()
&& (tile.targetSize() != tile.area().size()));
filterAddress = const_cast<LoadFilter*>(this);
priv->bufferInitialized = true;
if (priv->iODevice) {
delete reader;
reader = new QImageReader(priv->iODevice, priv->fileFormatQt.toAscii());
if (!priv->fileFormatQt.isEmpty())
reader->setFormat(priv->fileFormatQt.toAscii());
}
else {
if (isNew) {
delete reader;
reader = 0;
if (!const_cast<LoadFilter*>(this)->readFileToByteArray())
return QuillImage();
buffer.seek(0);
priv->orientation = readOrientation();
reader = new QImageReader(&buffer, priv->fileFormatQt.toAscii());
if (!priv->fileFormatQt.isEmpty())
reader->setFormat(priv->fileFormatQt.toAscii());
}
else {
buffer.seek(0);
}
}
QuillImage input = tile;
if (input.fullImageSize().isEmpty())
input.setFullImageSize(reader->size());
if (input.area().isEmpty())
input.setArea(QRect(QPoint(0, 0), input.fullImageSize()));
QImage newImage;
QSize targetSize = input.targetSize();
QSize fullImageSize = input.fullImageSize();
QRect area = rotateArea(fullImageSize, input.area(), input);
if ((priv->orientation == Exif_Orientation_Rotated90) ||
(priv->orientation == Exif_Orientation_Rotated270)) {
targetSize.transpose();
fullImageSize.transpose();
}
/*
Resetting reader for ScaledSize and ClipRect. This resetting
will make sure that the reader will have all the options set
correctly if the same reader has been used previously.
Does not do the calculation in all cases since it is time consuming.
*/
if (reader->scaledSize().isValid() || reader->clipRect().isValid()) {
QSize readerSize = reader->size();
reader->setScaledSize(readerSize);
reader->setClipRect(QRect(QPoint(0,0),readerSize));
}
if (!input.isFragment()){
fullImage = QImage();
if (!targetSize.isEmpty()) {
reader->setScaledSize(targetSize);
}
newImage = readFromReader();
}
else if (!targetSize.isEmpty() &&
(targetSize != area.size())) {
// Both cropping and scaling have been requested
// Current implementation: ask plugin for the scaled image, then crop
// This can be later optimized with a plugin that effectively
// supports the ScaledClipRect option.
reader->setScaledSize(QSize(targetSize.width() *
fullImageSize.width() /
area.width(),
targetSize.height() *
fullImageSize.height() /
area.height()));
newImage = readFromReader();
newImage = newImage.copy(input.area().left() *
input.targetSize().width() /
input.area().width(),
input.area().top() *
input.targetSize().height() /
input.area().height(),
input.targetSize().width(),
input.targetSize().height());
newImage = QuillImage(input, newImage);
}
else if (reader->supportsOption(QImageIOHandler::ClipRect) &&
// Standard Qt now supports ClipRect with a too slow
// implementation, so we use the ScaledClipRect information
// to reject the standard Qt Jpeg plugin.
// TODO: This needs to be removed if Qt becomes faster.
!reader->supportsOption(QImageIOHandler::ScaledClipRect)) {
fullImage = QImage();
//if it is real a tile, we then reset reader, otherwise we consider it as a full image
if(!area.isNull()){
//set the scale size again here because preview sets the preview scale size already.
reader->setScaledSize(area.size());
// clip rect support in image reader
reader->setClipRect(area);
}
newImage = readFromReader();
}
else {
// no clip rect support: preserve whole full image as a tile cache,
// uses a lot of extra memory
if (isNew || fullImage.isNull())
fullImage = readFromReader();
newImage = fullImage.copy(input.area());
}
QImage convertedImage;
if (newImage.hasAlphaChannel()){
convertedImage = renderAlpha(newImage, priv->backgroundColor);
}
else{
convertedImage = newImage.convertToFormat(QImage::Format_RGB32);
}
QuillImage ret_value;
if (!input.targetSize().isEmpty() || !input.fullImageSize().isEmpty() ||
!input.area().isEmpty()) {
ret_value = QuillImage(input, convertedImage);
}
else{
// full image
ret_value = QuillImage(convertedImage);
}
if (priv->iODevice) {
delete reader;
reader = 0;
}
return ret_value;
}
void ut_tileloading::testMultiOperation()
{
QTemporaryFile tempFile;
tempFile.open();
// The original file may be write protected and edits are disabled for
// such files so we need to make a copy
QImage originalImage("/usr/share/libquill-tests/images/image_16x4.png");
originalImage.save(tempFile.fileName(), "jpg");
Quill::setDefaultTileSize(QSize(2, 2));
QuillFile *file =
new QuillFile(tempFile.fileName(), Strings::jpg);
file->setViewPort(QRect(-8, -2, 16, 4));
file->setDisplayLevel(1);
QuillImageFilter *filter =
QuillImageFilterFactory::createImageFilter(QuillImageFilter::Name_BrightnessContrast);
filter->setOption(QuillImageFilter::Brightness,
QVariant(20));
QImage referenceImage = filter->apply(originalImage);
file->runFilter(filter);
Quill::releaseAndWait(); // preview load
Quill::releaseAndWait(); // preview filter
QCOMPARE(file->allImageLevels().count(), 1);
QuillImage previewImage = file->allImageLevels().at(0);
QCOMPARE(previewImage.size(), QSize(4, 1));
QCOMPARE(previewImage.fullImageSize(), QSize(16, 4));
Quill::releaseAndWait();
QCOMPARE(file->allImageLevels().count(), 1);
Quill::releaseAndWait();
QCOMPARE(file->allImageLevels().count(), 2);
QuillImage fragment = file->allImageLevels().at(1);
QCOMPARE(fragment.size(), QSize(2, 2));
QCOMPARE(fragment.fullImageSize(), QSize(16, 4));
QCOMPARE(fragment.area(), QRect(0, 0, 2, 2));
Quill::releaseAndWait();
QCOMPARE(file->allImageLevels().count(), 2);
Quill::releaseAndWait();
QCOMPARE(file->allImageLevels().count(), 3);
fragment = file->allImageLevels().at(2);
QCOMPARE(fragment.size(), QSize(2, 2));
QCOMPARE(fragment.fullImageSize(), QSize(16, 4));
QCOMPARE(fragment.area(), QRect(2, 0, 2, 2));
test_utils::analyze((QImage)fragment, referenceImage.copy(2, 0, 2, 2),13);
Quill::releaseAndWait();
QCOMPARE(file->allImageLevels().count(), 3);
Quill::releaseAndWait();
QCOMPARE(file->allImageLevels().count(), 4);
fragment = file->allImageLevels().at(3);
QCOMPARE(fragment.size(), QSize(2, 2));
QCOMPARE(fragment.fullImageSize(), QSize(16, 4));
QCOMPARE(fragment.area(), QRect(4, 0, 2, 2));
test_utils::analyze((QImage)fragment, referenceImage.copy(4, 0, 2, 2),13);
Quill::releaseAndWait();
QCOMPARE(file->allImageLevels().count(), 4);
Quill::releaseAndWait();
QCOMPARE(file->allImageLevels().count(), 5);
fragment = file->allImageLevels().at(4);
QCOMPARE(fragment.size(), QSize(2, 2));
QCOMPARE(fragment.fullImageSize(), QSize(16, 4));
QCOMPARE(fragment.area(), QRect(6, 0, 2, 2));
test_utils::analyze((QImage)fragment, referenceImage.copy(6, 0, 2, 2),13);
delete file;
}
void ut_tileloading::testQuill()
{
QFile testFile("/usr/share/libquill-tests/images/image_16x4.jpg");
QImage referenceImage("/usr/share/libquill-tests/images/image_16x4.png");
Quill::setDefaultTileSize(QSize(2, 2));
QuillFile *file =
new QuillFile(testFile.fileName());
file->setViewPort(QRect(-8, -2, 16, 4));
file->setDisplayLevel(1);
Quill::releaseAndWait(); // preview
QCOMPARE(file->allImageLevels().count(), 1);
QuillImage previewImage = file->allImageLevels().at(0);
QCOMPARE(previewImage.size(), QSize(4, 1));
QCOMPARE(previewImage.fullImageSize(), QSize(16, 4));
Quill::releaseAndWait();
QCOMPARE(file->allImageLevels().count(), 2);
QuillImage fragment = file->allImageLevels().at(1);
QCOMPARE(fragment.size(), QSize(2, 2));
QCOMPARE(fragment.fullImageSize(), QSize(16, 4));
QCOMPARE(fragment.area(), QRect(0, 0, 2, 2));
Quill::releaseAndWait();
QCOMPARE(file->allImageLevels().count(), 3);
fragment = file->allImageLevels().at(2);
QCOMPARE(fragment.size(), QSize(2, 2));
QCOMPARE(fragment.fullImageSize(), QSize(16, 4));
QCOMPARE(fragment.area(), QRect(2, 0, 2, 2));
test_utils::analyze((QImage)fragment, referenceImage.copy(2, 0, 2, 2), 13);
Quill::releaseAndWait();
QCOMPARE(file->allImageLevels().count(), 4);
fragment = file->allImageLevels().at(3);
QCOMPARE(fragment.size(), QSize(2, 2));
QCOMPARE(fragment.fullImageSize(), QSize(16, 4));
QCOMPARE(fragment.area(), QRect(4, 0, 2, 2));
test_utils::analyze((QImage)fragment, referenceImage.copy(4, 0, 2, 2), 13);
Quill::releaseAndWait();
QCOMPARE(file->allImageLevels().count(), 5);
fragment = file->allImageLevels().at(4);
QCOMPARE(fragment.size(), QSize(2, 2));
QCOMPARE(fragment.fullImageSize(), QSize(16, 4));
QCOMPARE(fragment.area(), QRect(6, 0, 2, 2));
test_utils::analyze((QImage)fragment, referenceImage.copy(6, 0, 2, 2), 13);
delete file;
}
QuillImage SaveFilter::apply(const QuillImage &image) const
{
if(image.isNull())
return QuillImage();
// Simple format detection (1. given format 2. suffix)
QString format = priv->fileFormatQt.toLatin1();
if (format.isEmpty())
format = QFileInfo(priv->fileName).suffix().toLatin1();
// Jpeg always uses serial access saving, also for non-tiles,
// to be able to insert EXIF data
format = format.toLower();
if ((format == "jpeg") || (format == "jpg"))
return saveJpeg(image);
// For non-tiles, just save
if (!image.isFragment())
{
bool ok = saveFullImage(image);
if (ok) {
setFileModificationDateTime();
return image;
}
else
return QuillImage();
}
// First execute - prepare target
if (priv->fullImageSize == QSize())
{
priv->fullImageSize = image.fullImageSize();
priv->fullImage = QImage(priv->fullImageSize, QImage::Format_RGB32);
}
QPainter painter(&(priv->fullImage));
painter.setCompositionMode(QPainter::CompositionMode_Source);
painter.drawImage(image.area().topLeft(), image);
priv->tileCount--;
// Target full image has everything necessary, so do the final save.
if (priv->tileCount == 0)
{
bool ok = saveFullImage(priv->fullImage);
if (ok) {
setFileModificationDateTime();
// Return non-empty image to represent success
return image;
}
else
// Return empty image to represent failure
return QuillImage();
}
else
// No actual save was made, return non-empty image to represent success
return image;
}
