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feiyangqingyun 2024-04-02 11:04:42 +08:00
parent 71d20a72ac
commit 2cc581ec69
2 changed files with 134 additions and 117 deletions
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2
README.md
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@ -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

81
netfriend/imagecropper/example/imagecropperdemo.cpp
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@ -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() {
const QPixmap* pixmap = labelPreviewImage->pixmap();
if (!pixmap) {
void ImageCropperDemo::onSaveCroppedImage()
{
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);
}
}
}