bool syImgReaderCodec::OpenInput(const syString filename) {
bool result = false;
syString newfilename = filename;
if(m_Filename != "" && filename.empty()) {
newfilename = m_Filename;
} else {
newfilename = filename;
}
if(m_Reader && syString(m_Reader->fileName()) != newfilename) {
CloseInput();
if(m_Reader) {
m_Reader->setFileName(newfilename);
m_Filename = filename;
}
}
if(!m_Reader) {
m_Reader = new QImageReader(newfilename);
m_Filename = newfilename;
}
result = m_Reader->canRead();
if(result) {
if(m_Image) {
delete m_Image;
}
m_Image = new QImage(GetWidth(),GetHeight(),QImage::Format_RGB32);
}
return result;
}
bb::ImageData ImageProcessor::start()
{
//qDebug() << "[ImageProcessor::start] m_imagePath: " << m_imagePath;
bb::ImageData imageData;
QImage image, swappedImage;
QImageReader reader (m_imagePath);
QSize scaledSize(ImageProcessor::THUMB_SIZE), originalSize = reader.size();
if(originalSize != ImageProcessor::THUMB_SIZE && originalSize.isValid()){
// now scale it filling the original rectangle by keeping aspect ratio
scaledSize.scale(originalSize, Qt::KeepAspectRatio);
// set the adjusted clipping rectangle in the middle of the original image
QRect clipRect(0, 0, scaledSize.width(), scaledSize.height());
QPoint originalCenterPoint(originalSize.width() / 2, originalSize.height() / 2);
clipRect.moveCenter(originalCenterPoint);
reader.setClipRect(clipRect);
// set requested target size of a thumbnail
// as clipping rectangle is of same aspect ration as requestedSize no distortion should happen
reader.setScaledSize(ImageProcessor::THUMB_SIZE);
if(reader.read(&image) == false){
qWarning() << "[ImageProcessor::start] could not load image file! errorString: " << reader.errorString();
return imageData;
}
}
// get the parent folder of the current image
// 0 1 2 3 4 5 6 7
// E.g: /accounts/1000/appdata/com.willthrill.bb10.Wappy.testDev__bb10_Wappy92abc424/shared/photos/wappy/image.jpg
QString filePath = reader.fileName();
int count = filePath.count("/");
QString parentFolderName = "/" + filePath.section("/", 5, count - 2, QString::SectionSkipEmpty); // discard file name + 1
QString fileName = "/" + filePath.section("/", -1);
//qDebug() << "[ImageProcessor::start] parentFolderName: "<<parentFolderName<<", filePath: "<<filePath << ", count: " << count;
// create the parent folder on the data directory if it doesn't exist.
QDir parentFolder( QDir::homePath() + parentFolderName);
if( !parentFolder.exists()){
parentFolder.mkpath(".");
}
// save the thumbnail
QString p = QDir::homePath() + parentFolderName + fileName;
//qDebug() << "[ImageProcessor::start] Saving thumbnail image. File path: " << p;
bool ok = image.save(p,"jpg",50);
if(!ok){
qWarning() << "[ImageProcessor::start] Could not save thumbnail image!";
}
// Swap the image colors due to RGB bit representation
swappedImage = image.rgbSwapped();
// Create the Cascades ImageData with the swapped image
imageData = bb::ImageData::fromPixels(swappedImage.bits(), bb::PixelFormat::RGBX, swappedImage.width(), swappedImage.height(), swappedImage.bytesPerLine());
return imageData;
}
