1 /*
2  * Copyright (C) 2018 Damir Porobic <damir.porobic@gmx.com>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU Lesser General Public License as published by
6  * the Free Software Foundation; either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  */
19 
20 #include "ScaleWidget.h"
21 
22 namespace kImageAnnotator {
23 
ScaleWidget()24 kImageAnnotator::ScaleWidget::ScaleWidget() :
25 	mAnnotationArea(nullptr),
26 	mView(new QGraphicsView),
27 	mMainLayout(new QVBoxLayout(this))
28 {
29 	initGui();
30 }
31 
~ScaleWidget()32 ScaleWidget::~ScaleWidget()
33 {
34 	delete mView;
35 }
36 
activate(AnnotationArea * annotationArea)37 void ScaleWidget::activate(AnnotationArea *annotationArea)
38 {
39 	Q_ASSERT(annotationArea != nullptr);
40 
41 	mAnnotationArea = annotationArea;
42 	mView->setScene(annotationArea);
43 	showDialog();
44 }
45 
initGui()46 void ScaleWidget::initGui()
47 {
48 	mMainLayout->addWidget(mView);
49 	setLayout(mMainLayout);
50 }
51 
showDialog()52 void ScaleWidget::showDialog()
53 {
54 	auto sceneSize = mAnnotationArea->sceneRect().size();
55 	ScaleDialog scaleDialog(sceneSize.toSize(), this);
56 	connect(&scaleDialog, &ScaleDialog::finished, this, &ScaleWidget::scale);
57 	scaleDialog.exec();
58 
59 	emit closing();
60 }
61 
scale(const QSize & newSize)62 void ScaleWidget::scale(const QSize &newSize)
63 {
64 	mAnnotationArea->scale(newSize);
65 }
66 
67 } // namespace kImageAnnotator
68