Rename file imageswitch.h & imageswitch.cpp to ImageSwitch.h & ImageSwitch.cpp, and refactor.

src/components/ImageSwitch.cpp

@@ -0,0 +1,54 @@
+#include "ImageSwitch.h"
+
+#include <qpainter.h>
+#include <qdebug.h>
+
+
+namespace{
+    const int DEFAULT_WIDTH = 100;
+    const int DEFAULT_HEIGHT = 50;
+    const char * const OFF_FILE_PATH = ":/icons/imageswitch/btncheckoff1.png";
+    const char * const ON_FILE_PATH = ":/icons/imageswitch/btncheckon1.png";
+}
+
+ImageSwitch::ImageSwitch(QWidget* parent)
+: QWidget(parent)
+, mIsChecked(false)
+, mImgOffFile(OFF_FILE_PATH)
+, mImgOnFile(ON_FILE_PATH)
+{
+    this->resize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
+	this->setMinimumSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
+}
+
+void ImageSwitch::mousePressEvent(QMouseEvent*)
+{
+    mIsChecked = !mIsChecked;
+	this->update();
+	emit clicked();
+}
+
+void ImageSwitch::paintEvent(QPaintEvent*)
+{
+	QPainter painter(this);
+	painter.setRenderHints(QPainter::SmoothPixmapTransform);
+	QImage img(mIsChecked ? mImgOffFile : mImgOnFile);
+	img = img.scaled(this->size(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
+	//按照比例自动居中绘制
+	int pixX = rect().center().x() - img.width() / 2;
+	int pixY = rect().center().y() - img.height() / 2;
+	QPoint point(pixX, pixY);
+	painter.drawImage(point, img);
+}
+
+bool ImageSwitch::getChecked() const
+{
+	return mIsChecked;
+}
+
+
+void ImageSwitch::setChecked(bool value) {
+    if (this->mIsChecked == value) return;
+    this->mIsChecked = value;
+    this->update();
+}