From 2cc581ec69ede4f24d034d7224a1231a55d5e04c Mon Sep 17 00:00:00 2001 From: feiyangqingyun Date: Tue, 2 Apr 2024 11:04:42 +0800 Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E6=96=87=E6=A1=A3?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- README.md | 2 +- .../imagecropper/example/imagecropperdemo.cpp | 249 ++++++++++-------- 2 files changed, 134 insertions(+), 117 deletions(-) diff --git a/README.md b/README.md index 1be55b2..9268cb9 100644 --- a/README.md +++ b/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 diff --git a/netfriend/imagecropper/example/imagecropperdemo.cpp b/netfriend/imagecropper/example/imagecropperdemo.cpp index 995d137..8422a1f 100644 --- a/netfriend/imagecropper/example/imagecropperdemo.cpp +++ b/netfriend/imagecropper/example/imagecropperdemo.cpp @@ -1,11 +1,11 @@ -#include "imagecropperdemo.h" +#include "imagecropperdemo.h" #include #include #include #include #include -ImageCropperDemo::ImageCropperDemo(QWidget* parent) : +ImageCropperDemo::ImageCropperDemo(QWidget *parent) : QDialog(parent) { setupLayout(); @@ -16,7 +16,8 @@ ImageCropperDemo::ImageCropperDemo(QWidget* parent) : } -void ImageCropperDemo::setupLayout() { +void ImageCropperDemo::setupLayout() +{ imgCropperLabel = new ImageCropperLabel(600, 500, this); imgCropperLabel->setFrameStyle(1); @@ -27,19 +28,19 @@ void ImageCropperDemo::setupLayout() { editOriginalImagePath = new QLineEdit(this); btnChooseOriginalImagePath = new QPushButton(this); - QHBoxLayout* hOriginalImagePathLayout = new QHBoxLayout(); + QHBoxLayout *hOriginalImagePathLayout = new QHBoxLayout(); hOriginalImagePathLayout->addWidget(editOriginalImagePath); hOriginalImagePathLayout->addWidget(btnChooseOriginalImagePath); editCropperFixedWidth = new QLineEdit(this); editCropperFixedHeight = new QLineEdit(this); - QHBoxLayout* hCropperFixedSizeLayout = new QHBoxLayout(); + QHBoxLayout *hCropperFixedSizeLayout = new QHBoxLayout(); hCropperFixedSizeLayout->addWidget(editCropperFixedWidth); hCropperFixedSizeLayout->addWidget(editCropperFixedHeight); editCropperMinWidth = new QLineEdit("8", this); editCropperMinHeight = new QLineEdit("8", this); - QHBoxLayout* hCropperMinSizeLayout = new QHBoxLayout(); + QHBoxLayout *hCropperMinSizeLayout = new QHBoxLayout(); hCropperMinSizeLayout->addWidget(editCropperMinWidth); hCropperMinSizeLayout->addWidget(editCropperMinHeight); @@ -52,17 +53,17 @@ void ImageCropperDemo::setupLayout() { labelRectBorderColor = new QLabel(this); btnChooseRectBorderCorlor = new QPushButton(this); - QHBoxLayout* hRectBorderColorLayout = new QHBoxLayout(); + QHBoxLayout *hRectBorderColorLayout = new QHBoxLayout(); hRectBorderColorLayout->addWidget(labelRectBorderColor); hRectBorderColorLayout->addWidget(btnChooseRectBorderCorlor); labelDragSquareColor = new QLabel(this); btnChooseDragSquareColor = new QPushButton(this); - QHBoxLayout* hDragSquareColorLayout = new QHBoxLayout(); + QHBoxLayout *hDragSquareColorLayout = new QHBoxLayout(); hDragSquareColorLayout->addWidget(labelDragSquareColor); hDragSquareColorLayout->addWidget(btnChooseDragSquareColor); - QFormLayout* formLayout1 = new QFormLayout(); + QFormLayout *formLayout1 = new QFormLayout(); formLayout1->addRow(new QLabel("Preview:"), labelPreviewImage); formLayout1->addRow(new QLabel("OriginalImage:", this), hOriginalImagePathLayout); formLayout1->addRow(new QLabel("OutputShape:", this), comboOutputShape); @@ -70,29 +71,29 @@ void ImageCropperDemo::setupLayout() { formLayout1->addRow(new QLabel("FixedSize:", this), hCropperFixedSizeLayout); formLayout1->addRow(new QLabel("MinimumSize:", this), hCropperMinSizeLayout); - QFormLayout* formLayout2 = new QFormLayout(); + QFormLayout *formLayout2 = new QFormLayout(); formLayout2->addRow(new QLabel("EnableOpacity:", this), checkEnableOpacity); formLayout2->addRow(new QLabel("Opacity:", this), sliderOpacity); - QFormLayout* formLayout3 = new QFormLayout(); + QFormLayout *formLayout3 = new QFormLayout(); formLayout3->addRow(new QLabel("ShowDragSquare:", this), checkShowDragSquare); formLayout3->addRow(new QLabel("DragSquareEdge:", this), editDragSquareEdge); formLayout3->addRow(new QLabel("DragSquareColor:", this), hDragSquareColorLayout); - QFormLayout* formLayout4 = new QFormLayout(); + QFormLayout *formLayout4 = new QFormLayout(); formLayout4->addRow(new QLabel("ShowRectBorder:", this), checkShowRectBorder); formLayout4->addRow(new QLabel("RectBorderColor:", this), hRectBorderColorLayout); btnSavePreview = new QPushButton("Save", this); btnQuit = new QPushButton("Quit", this); - QHBoxLayout* btnLayout = new QHBoxLayout(); + QHBoxLayout *btnLayout = new QHBoxLayout(); btnLayout->addStretch(); btnLayout->addWidget(btnSavePreview); btnLayout->addStretch(); btnLayout->addWidget(btnQuit); btnLayout->addStretch(); - QVBoxLayout* vLayout = new QVBoxLayout(); + QVBoxLayout *vLayout = new QVBoxLayout(); vLayout->addLayout(formLayout1); vLayout->addStretch(); vLayout->addLayout(formLayout2); @@ -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()) + "picture (*.jpg *.png *.bmp)"); + if (filename.isNull()) { return; + } QPixmap pixmap; if (!pixmap.load(filename)) { @@ -214,113 +218,116 @@ 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(); - editCropperFixedWidth->setEnabled(false); - editCropperFixedHeight->setEnabled(false); - editCropperMinWidth->setEnabled(true); - editCropperMinHeight->setEnabled(true); - checkShowDragSquare->setEnabled(true); - editDragSquareEdge->setEnabled(true); - btnChooseDragSquareColor->setEnabled(true); - break; - } - case CropperShape::SQUARE: { - imgCropperLabel->setSquareCropper(); - editCropperFixedWidth->setEnabled(false); - editCropperFixedHeight->setEnabled(false); - editCropperMinWidth->setEnabled(true); - editCropperMinHeight->setEnabled(true); - checkShowDragSquare->setEnabled(true); - editDragSquareEdge->setEnabled(true); - btnChooseDragSquareColor->setEnabled(true); - break; - } - case CropperShape::FIXED_RECT: { - imgCropperLabel->setFixedRectCropper(QSize(64, 64)); - editCropperFixedWidth->setEnabled(true); - editCropperFixedHeight->setEnabled(true); - editCropperMinWidth->setEnabled(false); - editCropperMinHeight->setEnabled(false); - editCropperFixedWidth->setText("64"); - editCropperFixedHeight->setText("64"); - checkShowDragSquare->setEnabled(false); - editDragSquareEdge->setEnabled(false); - btnChooseDragSquareColor->setEnabled(false); - break; - } - case CropperShape::ELLIPSE: { - imgCropperLabel->setEllipseCropper(); - editCropperFixedWidth->setEnabled(false); - editCropperFixedHeight->setEnabled(false); - editCropperMinWidth->setEnabled(true); - editCropperMinHeight->setEnabled(true); - checkShowDragSquare->setEnabled(true); - editDragSquareEdge->setEnabled(true); - btnChooseDragSquareColor->setEnabled(true); - break; - } - case CropperShape::CIRCLE: { - imgCropperLabel->setCircleCropper(); - editCropperFixedWidth->setEnabled(false); - editCropperFixedHeight->setEnabled(false); - editCropperMinWidth->setEnabled(true); - editCropperMinHeight->setEnabled(true); - checkShowDragSquare->setEnabled(true); - editDragSquareEdge->setEnabled(true); - btnChooseDragSquareColor->setEnabled(true); - break; - } - case CropperShape::FIXED_ELLIPSE: - imgCropperLabel->setFixedEllipseCropper(QSize(64, 64)); - editCropperFixedWidth->setEnabled(true); - editCropperFixedHeight->setEnabled(true); - editCropperMinWidth->setEnabled(false); - editCropperMinHeight->setEnabled(false); - editCropperFixedWidth->setText("64"); - editCropperFixedHeight->setText("64"); - checkShowDragSquare->setEnabled(false); - editDragSquareEdge->setEnabled(false); - btnChooseDragSquareColor->setEnabled(false); - break; - case CropperShape::UNDEFINED: - break; + case CropperShape::RECT: { + imgCropperLabel->setRectCropper(); + editCropperFixedWidth->setEnabled(false); + editCropperFixedHeight->setEnabled(false); + editCropperMinWidth->setEnabled(true); + editCropperMinHeight->setEnabled(true); + checkShowDragSquare->setEnabled(true); + editDragSquareEdge->setEnabled(true); + btnChooseDragSquareColor->setEnabled(true); + break; + } + case CropperShape::SQUARE: { + imgCropperLabel->setSquareCropper(); + editCropperFixedWidth->setEnabled(false); + editCropperFixedHeight->setEnabled(false); + editCropperMinWidth->setEnabled(true); + editCropperMinHeight->setEnabled(true); + checkShowDragSquare->setEnabled(true); + editDragSquareEdge->setEnabled(true); + btnChooseDragSquareColor->setEnabled(true); + break; + } + case CropperShape::FIXED_RECT: { + imgCropperLabel->setFixedRectCropper(QSize(64, 64)); + editCropperFixedWidth->setEnabled(true); + editCropperFixedHeight->setEnabled(true); + editCropperMinWidth->setEnabled(false); + editCropperMinHeight->setEnabled(false); + editCropperFixedWidth->setText("64"); + editCropperFixedHeight->setText("64"); + checkShowDragSquare->setEnabled(false); + editDragSquareEdge->setEnabled(false); + btnChooseDragSquareColor->setEnabled(false); + break; + } + case CropperShape::ELLIPSE: { + imgCropperLabel->setEllipseCropper(); + editCropperFixedWidth->setEnabled(false); + editCropperFixedHeight->setEnabled(false); + editCropperMinWidth->setEnabled(true); + editCropperMinHeight->setEnabled(true); + checkShowDragSquare->setEnabled(true); + editDragSquareEdge->setEnabled(true); + btnChooseDragSquareColor->setEnabled(true); + break; + } + case CropperShape::CIRCLE: { + imgCropperLabel->setCircleCropper(); + editCropperFixedWidth->setEnabled(false); + editCropperFixedHeight->setEnabled(false); + editCropperMinWidth->setEnabled(true); + editCropperMinHeight->setEnabled(true); + checkShowDragSquare->setEnabled(true); + editDragSquareEdge->setEnabled(true); + btnChooseDragSquareColor->setEnabled(true); + break; + } + case CropperShape::FIXED_ELLIPSE: + imgCropperLabel->setFixedEllipseCropper(QSize(64, 64)); + editCropperFixedWidth->setEnabled(true); + editCropperFixedHeight->setEnabled(true); + editCropperMinWidth->setEnabled(false); + editCropperMinHeight->setEnabled(false); + editCropperFixedWidth->setText("64"); + editCropperFixedHeight->setText("64"); + checkShowDragSquare->setEnabled(false); + editDragSquareEdge->setEnabled(false); + btnChooseDragSquareColor->setEnabled(false); + break; + case CropperShape::UNDEFINED: + break; } imgCropperLabel->update(); 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); + } } }