update

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "framelesshelper"]
 	path = framelesshelper
 	url = https://github.com/zhuzichu520/framelesshelper.git
+[submodule "zxing-cpp"]
+	path = zxing-cpp
+	url = https://github.com/zhuzichu520/zxing-cpp.git

CMakeLists.txt

@@ -28,6 +28,8 @@ if (FLUENTUI_BUILD_FRAMELESSHEPLER)
     add_subdirectory(framelesshelper)
 endif ()
 
+add_subdirectory(zxing-cpp)
+
 message("------------------------ FluentUI ------------------------")
 message("Build FluentUI demo applications.: ${FLUENTUI_BUILD_EXAMPLES}")
 message("Build FramelessHelper.: ${FLUENTUI_BUILD_FRAMELESSHEPLER}")

example/qml/component/CodeExpander.qml

@@ -133,7 +133,8 @@ FluExpander{
                     "FluSpinBox",
                     "FluHttp",
                     "FluWatermark",
-                    "FluTour"
+                    "FluTour",
+                    "FluQRCode"
                 ];
         code = code.replace(/\n/g, "<br>");
         code = code.replace(/ /g, "&nbsp;");

example/qml/global/ItemsOriginal.qml

@@ -331,6 +331,12 @@ FluObject{
     FluPaneItemExpander{
         title:lang.other
         icon:FluentIcons.Shop
+        FluPaneItem{
+            title:"QRCode"
+            onTap:{
+                navigationView.push("qrc:/example/qml/page/T_QRCode.qml")
+            }
+        }
         FluPaneItem{
             title:"Tour"
             onTap:{

example/qml/page/T_QRCode.qml

@@ -0,0 +1,75 @@
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import QtQuick.Window
+import FluentUI
+import Qt5Compat.GraphicalEffects
+import "qrc:///example/qml/component"
+
+FluScrollablePage{
+
+    title:"QRCode"
+
+    FluQRCode{
+        id:qrcode
+        Layout.topMargin: 20
+        size:slider_size.value
+        text:text_box.text
+        color:color_picker.colorValue
+        Layout.preferredWidth: size
+        Layout.preferredHeight: size
+    }
+
+    RowLayout{
+        spacing: 10
+        Layout.topMargin: 20
+        FluText{
+            text:"text:"
+            Layout.alignment: Qt.AlignVCenter
+        }
+        FluTextBox{
+            id:text_box
+            text:"会磨刀的小猪"
+        }
+    }
+
+    RowLayout{
+        spacing: 10
+        Layout.topMargin: 10
+        FluText{
+            text:"color:"
+            Layout.alignment: Qt.AlignVCenter
+        }
+        FluColorPicker{
+            id:color_picker
+            Component.onCompleted: {
+                setColor(Qt.rgba(0,0,0,1))
+            }
+        }
+    }
+
+    RowLayout{
+        spacing: 10
+        FluText{
+            text:"size:"
+            Layout.alignment: Qt.AlignVCenter
+        }
+        FluSlider{
+            id:slider_size
+            from:60
+            to:200
+            value: 120
+        }
+    }
+
+    CodeExpander{
+        Layout.fillWidth: true
+        Layout.topMargin: 20
+        code:'FluQRCode{
+    color:"red"
+    text:"会磨刀的小猪"
+    size:100
+}'
+    }
+
+}

src/CMakeLists.txt

@@ -83,6 +83,7 @@ target_link_libraries(${PROJECT_NAME} PUBLIC
     Qt::CorePrivate
     Qt::QuickPrivate
     Qt::QmlPrivate
+    ZXing
 )
 
 #安装

src/FluQRCode.cpp

@@ -0,0 +1,53 @@
+#include "FluQRCode.h"
+
+#include "BarcodeFormat.h"
+#include "BitMatrix.h"
+#include "MultiFormatWriter.h"
+
+using namespace ZXing;
+
+FluQRCode::FluQRCode(QQuickItem* parent) : QQuickPaintedItem(parent)
+{
+    color(QColor(0,0,0,255));
+    size(100);
+    setWidth(_size);
+    setHeight(_size);
+    connect(this,&FluQRCode::textChanged,this,[=]{update();});
+    connect(this,&FluQRCode::colorChanged,this,[=]{update();});
+    connect(this,&FluQRCode::sizeChanged,this,[=]{
+        setWidth(_size);
+        setHeight(_size);
+        update();
+    });
+}
+
+
+void FluQRCode::paint(QPainter* painter)
+{
+    if(_text.isEmpty()){
+        return;
+    }
+    if(_text.length()>1108){
+        return;
+    }
+    painter->save();
+    painter->eraseRect(boundingRect());
+    auto format = ZXing::BarcodeFormatFromString("QRCode");
+    auto writer = MultiFormatWriter(format);
+    writer.setMargin(0);
+    writer.setEncoding(ZXing::CharacterSet::UTF8);
+    auto matrix = writer.encode(_text.toUtf8().constData(), 0, 0);
+    auto bitmap = ToMatrix<uint8_t>(matrix);
+    auto image = QImage(bitmap.data(), bitmap.width(), bitmap.height(), bitmap.width(), QImage::Format::Format_Grayscale8).copy();
+    QImage rgbImage = image.convertToFormat(QImage::Format_ARGB32);
+    for (int y = 0; y < rgbImage.height(); ++y) {
+        for (int x = 0; x < rgbImage.width(); ++x) {
+            QRgb pixel = rgbImage.pixel(x, y);
+            if (qRed(pixel) == 0 && qGreen(pixel) == 0 && qBlue(pixel) == 0) {
+                rgbImage.setPixelColor(x, y, _color);
+            }
+        }
+    }
+    painter->drawImage(QRect(0, 0, static_cast<int>(width()), static_cast<int>(height())), rgbImage);
+    painter->restore();
+}

src/FluQRCode.h

@@ -0,0 +1,22 @@
+#ifndef FLUQRCODE_H
+#define FLUQRCODE_H
+
+#include <QQuickItem>
+#include <QQuickPaintedItem>
+#include <QPainter>
+#include "stdafx.h"
+
+class FluQRCode : public QQuickPaintedItem
+{
+    Q_OBJECT
+    Q_PROPERTY_AUTO(QString,text)
+    Q_PROPERTY_AUTO(QColor,color)
+    Q_PROPERTY_AUTO(int,size);
+    QML_NAMED_ELEMENT(FluQRCode)
+public:
+    explicit FluQRCode(QQuickItem *parent = nullptr);
+    void paint(QPainter* painter) override;
+
+};
+
+#endif // FLUQRCODE_H

zxing-cpp

@@ -0,0 +1 @@
+Subproject commit 079944e235a63fd7956e1ed71ea66ac638dc44e7