Initial commit (project based on widgets)

widgets/aspectimglabel.cpp

@@ -0,0 +1,46 @@
+/*
+    Copyright 2016 - 2017 Benjamin Vedder	benjamin@vedder.se
+
+    This file is part of VESC Tool.
+
+    VESC Tool is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    VESC Tool 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    */
+
+#include "aspectimglabel.h"
+
+AspectImgLabel::AspectImgLabel(Qt::Orientation orientation, QWidget *parent) :
+    QLabel(parent), mOrientation(orientation)
+{
+
+}
+
+void AspectImgLabel::resizeEvent(QResizeEvent *event)
+{
+    QLabel::resizeEvent(event);
+
+    const QPixmap *pix = pixmap();
+
+    if (pix) {
+        int wLabel = width();
+        int hLabel = height();
+        int wImg = pix->width();
+        int hImg = pix->height();
+
+        if (mOrientation == Qt::Horizontal) {
+            setMaximumHeight((wLabel * hImg) / wImg);
+        } else if (hLabel != hImg) {
+            setMaximumWidth((hLabel * wImg) / hImg);
+        }
+    }
+}