bool ParupaintPanvasInputOutput::savePPA(ParupaintPanvas * panvas, const QString & filename, QString & errorStr)
{
Q_ASSERT(panvas);
if(filename.isEmpty())
return (errorStr = "Enter a filename to save to.").isEmpty();
KZip archive(filename);
if(!archive.open(QIODevice::WriteOnly))
return (errorStr = "Failed open PPA for writing").isEmpty();
archive.writeFile("mimetype", "image/parupaint");
QImage mergedImage = panvas->mergedImage(true);
archive.writeFile("Thumbnails/thumbnail.png", imageToByteArray(mergedImage.scaled(256, 256, Qt::KeepAspectRatio, Qt::SmoothTransformation)));
archive.writeFile("mergedimage.png", imageToByteArray(mergedImage));
// write image files
for(int l = 0; l < panvas->layerCount(); l++){
ParupaintLayer * layer = panvas->layerAt(l);
for(int f = 0; f < layer->frameCount(); f++){
if(!layer->isFrameReal(f)) continue;
ParupaintFrame * frame = layer->frameAt(f);
QByteArray byte_array = imageToByteArray(frame->image());
QString frame_name = QString("%1/%2.png").arg(l).arg(layer->frameLabel(f));
archive.writeFile(frame_name, byte_array);
}
}
// json info
QJsonObject ppa_info = panvas->json();
QByteArray json = QJsonDocument(ppa_info).toJson(QJsonDocument::Indented);
qDebug("%s", qPrintable(json));
archive.writeFile("pp3.json", json);
archive.close();
return true;
}
bool ParupaintPanvasInputOutput::exportZIPSequence(ParupaintPanvas * panvas, const QString & filename, QString & errorStr)
{
Q_ASSERT(panvas);
if(filename.isEmpty())
return (errorStr = "Enter a filename to save to.").isEmpty();
KZip archive(filename);
if(!archive.open(QIODevice::WriteOnly))
return (errorStr = "Failed open ZIP sequence for writing").isEmpty();
int frame = 0;
foreach(const QImage & image, panvas->mergedImageFrames(true)){
QByteArray bytes = imageToByteArray(image);
archive.writeFile(QString("%1/%2_%3.png").arg(QFileInfo(filename).baseName()).arg(QFileInfo(filename).baseName()).arg(frame, 3, 10, QChar('0')), bytes);
frame++;
}
archive.close();
return true;
}
void AsyncImageCreator::run() {
// first we make sure we have an image
QString cacheFileName;
bool hasPreview = false;
if (d->mImage.isNull() && d->mInputFileName.isEmpty() &&
(!d->mDataArray.isEmpty() || !d->mDataArray.isNull())) {
d->mImage.loadFromData(d->mDataArray);
cacheFileName = QCryptographicHash::hash(d->mDataArray,
QCryptographicHash::Md5).toHex();
} else if (d->mImage.isNull() && !d->mInputFileName.isEmpty()) {
cacheFileName =
QCryptographicHash::hash(QByteArray().append(d->mInputFileName),
QCryptographicHash::Md5).toHex();
d->mFileName = d->mInputFileName;
// cache preview
QString cachePreviewFilePath = QDir::toNativeSeparators(
d->mStorePrefix + "/" + cacheFileName + "_preview.png");
QFile cachePreviewFile(cachePreviewFilePath);
if (cachePreviewFile.exists()) {
d->mThumbNail = QImage(cachePreviewFilePath);
} else {
d->mImage = QImage(d->mInputFileName);
d->mThumbNail =
d->mImage.scaled(d->mThumbNailSize, Qt::KeepAspectRatioByExpanding);
d->saveFile(cachePreviewFilePath, d->mThumbNail);
}
hasPreview = true;
} else {
d->mDataArray = imageToByteArray(d->mImage);
cacheFileName = QCryptographicHash::hash(d->mDataArray,
QCryptographicHash::Md5).toHex();
}
QString cacheFilePath =
QDir::toNativeSeparators(d->mStorePrefix + "/" + cacheFileName + ".png");
if (d->mOffline && !d->mStorePrefix.isEmpty()) {
d->saveFile(cacheFilePath, d->mImage);
d->mFileName = cacheFilePath;
}
// create the thumbnail
if (!hasPreview)
d->mThumbNail =
d->mImage.scaled(d->mThumbNailSize, Qt::KeepAspectRatioByExpanding);
// scale operations
if (d->mScaleHeight > 0) {
d->mHeightScaledImage = d->mImage.scaledToHeight(d->mScaleHeight);
}
if (d->mScaleWidth > 0) {
d->mWidthScaledImage = d->mImage.scaledToWidth(d->mScaleWidth);
}
if (d->mCropImage) {
QImage imageToCrop = d->mImage.scaledToHeight(d->mCropRect.height());
d->mCropedImage = imageToCrop.copy(d->mCropRect);
}
Q_EMIT ready();
}
static QByteArray randomImageByteArray(int w=512, int h=512 )
{
QImage image=randomImage(w,h);
QByteArray ba=imageToByteArray(image);
return ba;
}
