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Added save image function into chat

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This commit is contained in:
hunbernd 2015-12-06 23:00:29 +01:00
parent 0b92c79eb0
commit ff44965e2c
6 changed files with 87 additions and 3 deletions
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43
retroshare-gui/src/util/imageutil.cpp Normal file
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#include "imageutil.h"
#include "util/misc.h"
#include <QMessageBox>
#include <QTextCursor>
#include <QByteArray>
#include <QString>
#include <QImage>
#include <QTextDocumentFragment>
#include <QApplication>
ImageUtil::ImageUtil() {}
void ImageUtil::extractImage(QWidget *window, QTextCursor cursor)
{
cursor.movePosition(QTextCursor::Left, QTextCursor::MoveAnchor, 1);
cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, 2);
QString imagestr = cursor.selection().toHtml();
bool success = false;
int start = imagestr.indexOf("base64,") + 7;
int stop = imagestr.indexOf("\"", start);
int length = stop - start;
if((start >= 0) && (length > 0))
{
QByteArray ba = QByteArray::fromBase64(imagestr.mid(start, length).toLatin1());
QImage image = QImage::fromData(ba);
if(!image.isNull())
{
QString file;
success = true;
if(misc::getSaveFileName(window, RshareSettings::LASTDIR_IMAGES, "Save Picture File", "Pictures (*.png *.xpm *.jpg)", file))
{
if(!image.save(file, 0, 100))
if(!image.save(file + ".png", 0, 100))
QMessageBox::warning(window, QApplication::translate("ImageUtil", "Save image"), QApplication::translate("ImageUtil", "Cannot save the image, invalid filename"));
}
}
}
if(!success)
{
QMessageBox::warning(window, QApplication::translate("ImageUtil", "Save image"), QApplication::translate("ImageUtil", "Not an image"));
}
}

16
retroshare-gui/src/util/imageutil.h Normal file
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#ifndef IMAGEUTIL_H
#define IMAGEUTIL_H
#include <QTextCursor>
#include <QWidget>
class ImageUtil
{
public:
ImageUtil();
static void extractImage(QWidget *window, QTextCursor cursor);
};
#endif // IMAGEUTIL_H