Initial commit (project based on widgets)

widgets/imagewidget.cpp

@@ -0,0 +1,54 @@
+/*
+    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 "imagewidget.h"
+#include <QPainter>
+#include <QPaintEvent>
+#include <QDebug>
+
+ImageWidget::ImageWidget(QWidget *parent) : QWidget(parent)
+{
+
+}
+
+void ImageWidget::paintEvent(QPaintEvent *event)
+{
+    (void)event;
+    if (!mPixmap.isNull()) {
+        QPainter painter(this);
+        painter.setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
+        painter.fillRect(rect(), Qt::transparent);
+
+        int pw = mPixmap.width();
+        int ph = mPixmap.height();
+        int h = height();
+
+        painter.drawPixmap(0, 0, (pw * h) / ph, h, mPixmap);
+    }
+}
+
+QPixmap ImageWidget::pixmap() const
+{
+    return mPixmap;
+}
+
+void ImageWidget::setPixmap(const QPixmap &pixmap)
+{
+    mPixmap = pixmap;
+}