更新文档

README.md

@@ -4,7 +4,7 @@
 2. **视频主页：[https://space.bilibili.com/687803542](https://space.bilibili.com/687803542)**
 3. **网店地址：[https://shop244026315.taobao.com](https://shop244026315.taobao.com)**
 4. **联系方式：QQ（517216493）微信（feiyangqingyun）推荐加微信。**
-5. **公 众 号：Qt实战（本人）/Qt教程（民间）/Qt软件（官方）**
+5. **公 众 号：Qt实战/Qt入门和进阶/Qt教程/Qt软件**
 6. **版本支持：所有项目已经全部支持Qt4/5/6所有版本以及后续版本。**
 7. 监控作品体验：[https://pan.baidu.com/s/1d7TH_GEYl5nOecuNlWJJ7g](https://pan.baidu.com/s/1d7TH_GEYl5nOecuNlWJJ7g) 提取码：01jf
 8. 其他作品体验：[https://pan.baidu.com/s/1ZxG-oyUKe286LPMPxOrO2A](https://pan.baidu.com/s/1ZxG-oyUKe286LPMPxOrO2A) 提取码：o05q

netfriend/imagecropper/example/imagecropperdemo.cpp

@@ -1,4 +1,4 @@
-#include "imagecropperdemo.h"
+#include "imagecropperdemo.h"
 #include <QFormLayout>
 #include <QColorDialog>
 #include <QVBoxLayout>
@@ -16,7 +16,8 @@ ImageCropperDemo::ImageCropperDemo(QWidget* parent) :
 }
 
 
-void ImageCropperDemo::setupLayout() {
+void ImageCropperDemo::setupLayout()
+{
     imgCropperLabel = new ImageCropperLabel(600, 500, this);
     imgCropperLabel->setFrameStyle(1);
 
@@ -108,7 +109,8 @@ void ImageCropperDemo::setupLayout() {
     mainLayout->addLayout(vLayout);
 }
 
-void ImageCropperDemo::init() {
+void ImageCropperDemo::init()
+{
     imgCropperLabel->setRectCropper();
     editCropperFixedWidth->setEnabled(false);
     editCropperFixedHeight->setEnabled(false);
@@ -195,11 +197,13 @@ void ImageCropperDemo::init() {
  *
 *****************************************************************************/
 
-void ImageCropperDemo::onChooseOriginalImage() {
+void ImageCropperDemo::onChooseOriginalImage()
+{
     QString filename = QFileDialog::getOpenFileName(this, "Select a picture", "",
                        "picture (*.jpg *.png *.bmp)");
-    if (filename.isNull())
+    if (filename.isNull()) {
         return;
+    }
 
     QPixmap pixmap;
     if (!pixmap.load(filename)) {
@@ -214,16 +218,19 @@ void ImageCropperDemo::onChooseOriginalImage() {
     labelPreviewImage->setFrameStyle(0);
 }
 
-void ImageCropperDemo::onOutputShapeChanged(int idx) {
+void ImageCropperDemo::onOutputShapeChanged(int idx)
+{
     // Output: Rectangular
-    if (idx == 0)
+    if (idx == 0) {
         imgCropperLabel->setOutputShape(OutputShape::RECT);
-    else
+    } else {
         imgCropperLabel->setOutputShape(OutputShape::ELLIPSE);
+    }
     onUpdatePreview();
 }
 
-void ImageCropperDemo::onCropperShapeChanged(int idx) {
+void ImageCropperDemo::onCropperShapeChanged(int idx)
+{
     switch (CropperShape(idx + 1)) {
         case CropperShape::RECT: {
             imgCropperLabel->setRectCropper();
@@ -302,25 +309,25 @@ void ImageCropperDemo::onCropperShapeChanged(int idx) {
     onUpdatePreview();
 }
 
-void ImageCropperDemo::onEnableOpacityChanged(int state) {
+void ImageCropperDemo::onEnableOpacityChanged(int state)
+{
     if (state == Qt::Checked) {
         sliderOpacity->setEnabled(true);
         imgCropperLabel->enableOpacity(true);
-    }
+    } else {
-    else {
         sliderOpacity->setEnabled(false);
         imgCropperLabel->enableOpacity(false);
     }
     imgCropperLabel->update();
 }
 
-void ImageCropperDemo::onShowDragSquareChanged(int state) {
+void ImageCropperDemo::onShowDragSquareChanged(int state)
+{
     if (state == Qt::Checked) {
         editDragSquareEdge->setEnabled(true);
         btnChooseDragSquareColor->setEnabled(true);
         imgCropperLabel->setShowDragSquare(true);
-    }
+    } else {
-    else {
         editDragSquareEdge->setEnabled(false);
         btnChooseDragSquareColor->setEnabled(false);
         imgCropperLabel->setShowDragSquare(false);
@@ -328,49 +335,56 @@ void ImageCropperDemo::onShowDragSquareChanged(int state) {
     imgCropperLabel->update();
 }
 
-void ImageCropperDemo::onDragSquareEdgeChanged(QString edge) {
+void ImageCropperDemo::onDragSquareEdgeChanged(QString edge)
+{
     imgCropperLabel->setDragSquareEdge(edge.toInt());
     imgCropperLabel->update();
 }
 
-void ImageCropperDemo::onOpacityChanged(int val) {
+void ImageCropperDemo::onOpacityChanged(int val)
+{
     imgCropperLabel->setOpacity(val / 100.0);
     imgCropperLabel->update();
 }
 
-void ImageCropperDemo::onFixedWidthChanged(QString width) {
+void ImageCropperDemo::onFixedWidthChanged(QString width)
+{
     imgCropperLabel->setCropperFixedWidth(width.toInt());
     imgCropperLabel->update();
 }
 
-void ImageCropperDemo::onFixedHeightChanged(QString height) {
+void ImageCropperDemo::onFixedHeightChanged(QString height)
+{
     imgCropperLabel->setCropperFixedHeight(height.toInt());
     imgCropperLabel->update();
 }
 
-void ImageCropperDemo::onMinWidthChanged(QString width) {
+void ImageCropperDemo::onMinWidthChanged(QString width)
+{
     imgCropperLabel->setCropperMinimumWidth(width.toInt());
     imgCropperLabel->update();
 }
 
-void ImageCropperDemo::onMinHeightChanged(QString height) {
+void ImageCropperDemo::onMinHeightChanged(QString height)
+{
     imgCropperLabel->setMinimumHeight(height.toInt());
     imgCropperLabel->update();
 }
 
-void ImageCropperDemo::onShowRectBorder(int state) {
+void ImageCropperDemo::onShowRectBorder(int state)
+{
     if (state == Qt::Checked) {
         btnChooseRectBorderCorlor->setEnabled(true);
         imgCropperLabel->setShowRectBorder(true);
-    }
+    } else {
-    else {
         btnChooseRectBorderCorlor->setEnabled(false);
         imgCropperLabel->setShowRectBorder(false);
     }
     imgCropperLabel->update();
 }
 
-void ImageCropperDemo::onChooseRectBorderColor() {
+void ImageCropperDemo::onChooseRectBorderColor()
+{
     QColor color = QColorDialog::getColor(imgCropperLabel->getBorderPen().color(), this);
     if (color.isValid()) {
         setLabelColor(labelRectBorderColor, color);
@@ -381,7 +395,8 @@ void ImageCropperDemo::onChooseRectBorderColor() {
     }
 }
 
-void ImageCropperDemo::onChooseDragSquareColor() {
+void ImageCropperDemo::onChooseDragSquareColor()
+{
     QColor color = QColorDialog::getColor(Qt::white, this);
     if (color.isValid()) {
         setLabelColor(labelDragSquareColor, color);
@@ -390,26 +405,28 @@ void ImageCropperDemo::onChooseDragSquareColor() {
     }
 }
 
-void ImageCropperDemo::onUpdatePreview() {
+void ImageCropperDemo::onUpdatePreview()
+{
     QPixmap preview = imgCropperLabel->getCroppedImage();
     preview = preview.scaled(labelPreviewImage->width(), labelPreviewImage->height(),
                              Qt::KeepAspectRatio, Qt::SmoothTransformation);
     labelPreviewImage->setPixmap(preview);
 }
 
-void ImageCropperDemo::onSaveCroppedImage() {
+void ImageCropperDemo::onSaveCroppedImage()
-    const QPixmap* pixmap = labelPreviewImage->pixmap();
+{
-    if (!pixmap) {
+    if (!labelPreviewImage->pixmap()) {
         QMessageBox::information(this, "Error", "There is no cropped image to save.", QMessageBox::Ok);
         return ;
     }
 
     QString filename = QFileDialog::getSaveFileName(this, "Save cropped image", "", "picture (*.png)");
     if (!filename.isNull()) {
-        if (imgCropperLabel->getCroppedImage().save(filename, "PNG"))
+        if (imgCropperLabel->getCroppedImage().save(filename, "PNG")) {
             QMessageBox::information(this, "Prompt", "Saved successfully", QMessageBox::Ok);
-        else
+        } else {
             QMessageBox::information(this, "Error", "Save image failed!", QMessageBox::Ok);
         }
     }
+}