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logic: implemented exporting graph as .svg (issue #596)

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This commit is contained in:
mlangkabel
2018-07-10 14:31:39 +02:00
parent ee3bf41a27
commit 98f4ec62ec
7 changed files with 78 additions and 33 deletions
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src/lib/component/view/GraphViewStyle.cpp
+5 -5
View File
@@ -196,27 +196,27 @@ size_t GraphViewStyle::getFontSizeOfGroupNode()
std::string GraphViewStyle::getFontNameForDataNode()
{
return s_fontName;
return s_fontName + ", consolas, monospace, sans-serif";
}
std::string GraphViewStyle::getFontNameOfAccessNode()
{
return "Fira Sans";
return "Fira Sans, sans-serif";
}
std::string GraphViewStyle::getFontNameOfExpandToggleNode()
{
return "Fira Sans";
return "Fira Sans, sans-serif";
}
std::string GraphViewStyle::getFontNameOfTextNode()
{
return "Fira Sans";
return "Fira Sans, sans-serif";
}
std::string GraphViewStyle::getFontNameOfGroupNode()
{
return s_fontName;
return s_fontName + ", consolas, monospace, sans-serif";
}
GraphViewStyle::NodeMargins GraphViewStyle::getMarginsForDataNode(NodeType::StyleType type, bool hasIcon, bool hasChildren)
src/lib_gui/qt/graphics/QtGraphicsView.cpp
+53 -19
View File
@@ -9,6 +9,7 @@
#include <QClipboard>
#include <QPropertyAnimation>
#include <QParallelAnimationGroup>
#include <QSvgGenerator>
#include "qt/element/QtIconButton.h"
#include "qt/view/graphElements/QtGraphEdge.h"
@@ -108,7 +109,6 @@ void QtGraphicsView::setAppZoomFactor(float appZoomFactor)
void QtGraphicsView::setSceneRect(const QRectF& rect)
{
QGraphicsView::setSceneRect(rect);
scene()->setSceneRect(rect);
}
@@ -441,10 +441,42 @@ void QtGraphicsView::stopTimer()
void QtGraphicsView::exportGraph()
{
QString fileName = QtFileDialog::showSaveFileDialog(
nullptr, "Save image", FilePath(), "PNG (*.png);;JPEG (*.JPEG);;BMP Files (*.bmp)");
const QString exportNotice = "Exported from Sourcetrail";
const int margin = 10;
if (!fileName.isNull())
FilePath filePath(QtFileDialog::showSaveFileDialog(
nullptr, "Save image", FilePath(), "PNG (*.png);;JPEG (*.JPEG);;BMP Files (*.bmp);;SVG (*.svg)"
).toStdWString());
if (filePath.extension() == L".svg")
{
QSvgGenerator svgGen;
svgGen.setFileName(QString::fromStdWString(filePath.wstr()));
svgGen.setSize(scene()->sceneRect().size().toSize());
svgGen.setViewBox(QRect(QPoint(0, 0), scene()->sceneRect().size().toSize()));
svgGen.setTitle(QString::fromStdWString(filePath.withoutExtension().fileName()));
svgGen.setDescription(QString("Graph exported from Sourcetrail") + QChar(0x00AE));
QPainter painter(&svgGen);
scene()->render(&painter);
{
QFont font("Fira Sans, sans-serif");
font.setPixelSize(8);
painter.setFont(font);
}
{
QRect boundingRect;
painter.drawText(
QRect(margin, margin, svgGen.size().width() - 2 * margin, svgGen.size().height() - 2 * margin),
Qt::AlignBottom | Qt::AlignHCenter,
exportNotice + ' ' + QChar(0x00AE),
&boundingRect
);
}
}
else if (!filePath.empty())
{
QImage image(scene()->sceneRect().size().toSize() * 2, QImage::Format_ARGB32);
image.fill(Qt::transparent);
@@ -453,21 +485,19 @@ void QtGraphicsView::exportGraph()
painter.setRenderHint(QPainter::Antialiasing);
scene()->render(&painter);
// different approach: only currently visible part
// QPixmap pixMap = grab();
// pixMap.save(fileName);
{
const int margin = 10;
{
QFont font = painter.font();
font.setPixelSize(14);
painter.setFont(font);
}
QFont font = painter.font();
font.setPixelSize(14);
painter.setFont(font);
}
{
QRect boundingRect;
painter.drawText(QRect(margin, margin, image.size().width() - 2 * margin, image.size().height() - 2 * margin), Qt::AlignBottom | Qt::AlignHCenter, "Exported from Sourcetrail", &boundingRect);
painter.drawText(
QRect(margin, margin, image.size().width() - 2 * margin, image.size().height() - 2 * margin),
Qt::AlignBottom | Qt::AlignHCenter,
exportNotice,
&boundingRect
);
{
QFont font = painter.font();
@@ -475,10 +505,14 @@ void QtGraphicsView::exportGraph()
painter.setFont(font);
}
painter.drawText(boundingRect.right() + boundingRect.height() / 5, boundingRect.top() + boundingRect.height() / 2, QChar(0x00AE));
painter.drawText(
boundingRect.right() + boundingRect.height() / 5,
boundingRect.top() + boundingRect.height() / 2,
QChar(0x00AE)
);
}
image.save(fileName);
image.save(QString::fromStdWString(filePath.wstr()));
}
}