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Add SVG multi export

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Add a second SVG export option that allows for exporting
a series of icons of various size in one go. A dialog is shown
that allows for entering a file name pattern with place holders
and a list of sizes.

Change-Id: Ic644a9d402aa44af5899c29cf83051fdd7bba3d1
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
Reviewed-by: Diana de Sousa <diana.desousa@theqtcompany.com>
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>
This commit is contained in:
Friedemann Kleint
2018-01-12 15:32:10 +01:00
parent 43936b1e86
commit cd85d3aba5
20 changed files with 612 additions and 35 deletions
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103
src/plugins/imageviewer/imageview.cpp
View File

@@ -51,6 +51,7 @@
#include "imageview.h"
#include "exportdialog.h"
#include "multiexportdialog.h"
#include "imageviewerfile.h"
#include <coreplugin/messagemanager.h>
@@ -156,6 +157,53 @@ void ImageView::drawBackground(QPainter *p, const QRectF &)
p->restore();
}
QImage ImageView::renderSvg(const QSize &imageSize) const
{
QImage image(imageSize, QImage::Format_ARGB32);
image.fill(Qt::transparent);
QPainter painter;
painter.begin(&image);
#ifndef QT_NO_SVG
QGraphicsSvgItem *svgItem = qgraphicsitem_cast<QGraphicsSvgItem *>(m_imageItem);
QTC_ASSERT(svgItem, return image);
svgItem->renderer()->render(&painter, QRectF(QPointF(), QSizeF(imageSize)));
#endif
painter.end();
return image;
}
bool ImageView::exportSvg(const ExportData &ed)
{
const bool result = renderSvg(ed.size).save(ed.fileName);
if (result) {
const QString message = tr("Exported \"%1\", %2x%3, %4 bytes")
.arg(QDir::toNativeSeparators(ed.fileName))
.arg(ed.size.width()).arg(ed.size.height())
.arg(QFileInfo(ed.fileName).size());
Core::MessageManager::write(message);
} else {
const QString message = tr("Could not write file \"%1\".").arg(QDir::toNativeSeparators(ed.fileName));
QMessageBox::critical(this, tr("Export Image"), message);
}
return result;
}
static QString suggestedExportFileName(const QFileInfo &fi)
{
return fi.absolutePath() + QLatin1Char('/') + fi.baseName()
+ QStringLiteral(".png");
}
QSize ImageView::svgSize() const
{
QSize result;
#ifndef QT_NO_SVG
if (const QGraphicsSvgItem *svgItem = qgraphicsitem_cast<QGraphicsSvgItem *>(m_imageItem))
result = svgItem->boundingRect().size().toSize();
#endif // !QT_NO_SVG
return result;
}
void ImageView::exportImage()
{
#ifndef QT_NO_SVG
@@ -163,37 +211,42 @@ void ImageView::exportImage()
QTC_ASSERT(svgItem, return);
const QFileInfo origFi = m_file->filePath().toFileInfo();
const QString suggestedFileName = origFi.absolutePath() + QLatin1Char('/')
+ origFi.baseName() + QStringLiteral(".png");
ExportDialog exportDialog(this);
exportDialog.setWindowTitle(tr("Export %1").arg(origFi.fileName()));
exportDialog.setExportSize(svgItem->boundingRect().size().toSize());
exportDialog.setExportFileName(suggestedFileName);
exportDialog.setExportSize(svgSize());
exportDialog.setExportFileName(suggestedExportFileName(origFi));
while (true) {
if (exportDialog.exec() != QDialog::Accepted)
break;
while (exportDialog.exec() == QDialog::Accepted && !exportSvg(exportDialog.exportData())) {}
#endif // !QT_NO_SVG
}
const QSize imageSize = exportDialog.exportSize();
QImage image(imageSize, QImage::Format_ARGB32);
image.fill(Qt::transparent);
QPainter painter;
painter.begin(&image);
svgItem->renderer()->render(&painter, QRectF(QPointF(), QSizeF(imageSize)));
painter.end();
void ImageView::exportMultiImages()
{
#ifndef QT_NO_SVG
QTC_ASSERT(qgraphicsitem_cast<QGraphicsSvgItem *>(m_imageItem), return);
const QString fileName = exportDialog.exportFileName();
if (image.save(fileName)) {
const QString message = tr("Exported \"%1\", %2x%3, %4 bytes")
.arg(QDir::toNativeSeparators(fileName)).arg(imageSize.width()).arg(imageSize.height())
.arg(QFileInfo(fileName).size());
Core::MessageManager::write(message);
break;
} else {
QMessageBox::critical(this, tr("Export Image"),
tr("Could not write file \"%1\".").arg(QDir::toNativeSeparators(fileName)));
const QFileInfo origFi = m_file->filePath().toFileInfo();
const QSize size = svgSize();
const QString title =
tr("Export a Series of Images from %1 (%2x%3")
.arg(origFi.fileName()).arg(size.width()).arg(size.height());
MultiExportDialog multiExportDialog;
multiExportDialog.setWindowTitle(title);
multiExportDialog.setExportFileName(suggestedExportFileName(origFi));
multiExportDialog.setSvgSize(size);
multiExportDialog.suggestSizes();
while (multiExportDialog.exec() == QDialog::Accepted) {
const auto exportData = multiExportDialog.exportData();
bool ok = true;
for (const auto &data : exportData) {
if (!exportSvg(data)) {
ok = false;
break;
}
}
if (ok)
break;
}
#endif // !QT_NO_SVG
}