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96 lines
1.9 KiB
C
96 lines
1.9 KiB
C
#pragma once
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#include <QObject>
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#include <QDebug>
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#include <QFile>
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#include <QUrl>
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#include <QImage>
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#include <QImageReader>
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#include <QBuffer>
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#include "qpainter.h"
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#ifdef __ANDROID__
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# include <QtAndroid>
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# include <QtAndroidExtras/QAndroidJniObject>
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#endif // __ANDROID__
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struct AndroidImagePicker : QObject
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{
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Q_OBJECT
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public slots:
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static void openPicker()
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{
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qDebug() << "Starting image picker intent";
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#ifdef __ANDROID__
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QtAndroid::androidActivity().callMethod<void>(
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"openImagePicker",
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"()V" );
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#endif // __ANDROID__
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}
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// Used to convert a given image path into a png base64 string
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static QString imageToBase64 (QString const& path)
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{
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// Get local path from uri
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QUrl url (path);
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QString localPath = url.toLocalFile();
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qDebug() << "imageToBase64() local path:" << localPath ;
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QImage image= getImage (localPath);
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image = image.scaled(96,96,Qt::KeepAspectRatio,Qt::SmoothTransformation);
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qDebug() << "imageToBase64() encoding" ;
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return imageToB64(image);
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}
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static QString b64AvatarGen (QVariantList onloads, int size)
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{
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qDebug() << "Generating hash face avatar";
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QImage result(size, size, QImage::Format_ARGB32_Premultiplied);
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QPainter painter(&result);
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int counter = 0;
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for(QVariantList::iterator j = onloads.begin(); j != onloads.end(); ++j)
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{
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QImage image = getImage (":/"+(*j).toString());
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painter.drawImage(0, 0, image); // xi, yi is the position for imagei
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++counter;
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}
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painter.end();
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return imageToB64(result);
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}
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static QImage getImage (QString const& path)
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{
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QImageReader reader;
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reader.setFileName(path);
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return reader.read();
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}
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static QString imageToB64 (QImage image)
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{
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// Transform image into PNG format
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QByteArray ba;
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QBuffer buffer( &ba );
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buffer.open( QIODevice::WriteOnly );
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image.save( &buffer, "png" );
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// Get Based 64 image string
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return QString(ba.toBase64());
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}
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};
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