Gui: add function to scale image

2023-03-20 17:56:17 +01:00
parent 9dc2eefca8
commit 5871c2bb46
10 changed files with 305 additions and 15 deletions
--- a/src/Gui/TaskView/TaskImageScale.cpp
+++ b/src/Gui/TaskView/TaskImageScale.cpp
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
+/***************************************************************************
+ *   Copyright (c) 2023 Werner Mayer <wmayer[at]users.sourceforge.net>     *
+ *                                                                         *
+ *   This file is part of FreeCAD.                                         *
+ *                                                                         *
+ *   FreeCAD is free software: you can redistribute it and/or modify it    *
+ *   under the terms of the GNU Lesser General Public License as           *
+ *   published by the Free Software Foundation, either version 2.1 of the  *
+ *   License, or (at your option) any later version.                       *
+ *                                                                         *
+ *   FreeCAD is distributed in the hope that it will be useful, but        *
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      *
+ *   Lesser General Public License for more details.                       *
+ *                                                                         *
+ *   You should have received a copy of the GNU Lesser General Public      *
+ *   License along with FreeCAD. If not, see                               *
+ *   <https://www.gnu.org/licenses/>.                                      *
+ *                                                                         *
+ **************************************************************************/
+
+#include "PreCompiled.h"
+#ifndef _PreComp_
+# include <QDialog>
+# include <map>
+#endif
+
+#include <Base/Tools.h>
+#include <App/Document.h>
+#include <Gui/BitmapFactory.h>
+#include <Gui/Camera.h>
+#include <Gui/TaskView/TaskView.h>
+
+#include "TaskImageScale.h"
+#include "ui_TaskImageScale.h"
+
+
+using namespace Gui;
+
+TaskImageScale::TaskImageScale(App::ImagePlane* obj, QWidget* parent)
+  : QWidget(parent)
+  , ui(new Ui_TaskImageScale)
+  , feature(obj)
+  , aspectRatio{1.0}
+{
+    ui->setupUi(this);
+    ui->spinBoxWidth->setValue(obj->getXSizeInPixel());
+    ui->spinBoxHeight->setValue(obj->getYSizeInPixel());
+
+    aspectRatio = obj->XSize.getValue() / obj->YSize.getValue();
+
+    connect(ui->spinBoxWidth, qOverload<int>(&QSpinBox::valueChanged), this, &TaskImageScale::changeWidth);
+    connect(ui->spinBoxHeight, qOverload<int>(&QSpinBox::valueChanged), this, &TaskImageScale::changeHeight);
+}
+
+TaskImageScale::~TaskImageScale()
+{
+}
+
+void TaskImageScale::changeWidth()
+{
+    if (!feature.expired()) {
+        int value = ui->spinBoxWidth->value();
+        feature->setXSizeInPixel(value);
+
+        if (ui->checkBoxRatio->isChecked()) {
+            QSignalBlocker block(ui->spinBoxWidth);
+            ui->spinBoxHeight->setValue(int(double(value) / aspectRatio));
+        }
+    }
+}
+
+void TaskImageScale::changeHeight()
+{
+    if (!feature.expired()) {
+        int value = ui->spinBoxHeight->value();
+        feature->setYSizeInPixel(value);
+
+        if (ui->checkBoxRatio->isChecked()) {
+            QSignalBlocker block(ui->spinBoxHeight);
+            ui->spinBoxWidth->setValue(int(double(value) * aspectRatio));
+        }
+    }
+}
+
+#include "moc_TaskImageScale.cpp"