version 2.24.0

Graphic setCustomSaveImageTitleFunc() - add custom title when save to image

CMakeLists.txt

@@ -3,7 +3,7 @@ cmake_policy(SET CMP0017 NEW) # need include() with .cmake
 cmake_policy(SET CMP0072 NEW) #  FindOpenGL prefers GLVND by default
 project(QAD)
 set(QAD_MAJOR    2)
-set(QAD_MINOR    23)
+set(QAD_MINOR    24)
 set(QAD_REVISION 0)
 set(QAD_SUFFIX   )
 set(QAD_COMPANY  SHS)

libs/graphic/graphic.cpp

@@ -1133,8 +1133,24 @@ void Graphic::autofit() {
 
 void Graphic::saveImage(QString filename) {
 	ppath = filename;
-	QPixmap im(canvas->size());
-	canvas->render(&im);
+	QPixmap im;
+	QString custom_title;
+	if (func_image_title) custom_title = func_image_title();
+	if (custom_title.isEmpty()) {
+		im = QPixmap(canvas->size());
+		canvas->render(&im);
+	} else {
+		QSize sz   = canvas->size();
+		QRectF tbr = fontMetrics().boundingRect(QRect(0, 0, sz.width(), 1), Qt::TextWordWrap, custom_title);
+		sz.setHeight(sz.height() + tbr.height());
+		im = QPixmap(canvas->size());
+		im.fill(back_color);
+		QPainter p(&im);
+		p.setPen(text_color);
+		p.drawText(tbr, Qt::TextWordWrap, custom_title);
+		p.end();
+		canvas->render(&im, QPoint(0, tbr.height()));
+	}
 	im.save(ppath);
 }
 
@@ -1300,6 +1316,11 @@ void Graphic::setCustomGridMarkFuncs(std::function<QString(double)> fx, std::fun
 }
 
 
+void Graphic::setCustomSaveImageTitleFunc(std::function<QString()> func) {
+	func_image_title = func;
+}
+
+
 void Graphic::findGraphicsRect(double start_x, double end_x, double start_y, double end_y) {
 	double cx, cy, maxX, minX, maxY, minY, vx;
 	bool isRangeX = (start_x != end_x), isRangeY = (start_y != end_y);

libs/graphic/graphic.h

@@ -380,6 +380,7 @@ public slots:
 	void setGraphicsCount(int arg, bool update = true);
 	void removeGraphic(int arg, bool update = true);
 	void setCustomGridMarkFuncs(std::function<QString(double val)> fx, std::function<QString(double val)> fy);
+	void setCustomSaveImageTitleFunc(std::function<QString()> func);
 
 	void zoom(float factor);
 	void zoomIn() { zoom(1. / 1.2); }
@@ -475,6 +476,7 @@ protected:
 	bool hasLblX, hasLblY, navigation, only_expand_y, only_expand_x, is_lines_update, leg_update, visible_update, fullscr, need_mouse_pan,
 		was_trace;
 	std::function<QString(double val)> func_gridMarkX, func_gridMarkY;
+	std::function<QString()> func_image_title;
 	QVector<DateFormats> date_formats;
 	QList<QImage> record_imgs;