彻底改版2.0

widget/colorwidget/colorwidget.cpp

@@ -0,0 +1,174 @@
+#pragma execution_character_set("utf-8")
+
+#include "colorwidget.h"
+#include "qmutex.h"
+#include "qgridlayout.h"
+#include "qlabel.h"
+#include "qlineedit.h"
+#include "qapplication.h"
+#include "qtimer.h"
+#include "qevent.h"
+#include "qdebug.h"
+
+#if (QT_VERSION >= QT_VERSION_CHECK(5,0,0))
+#include "qscreen.h"
+#define deskGeometry qApp->primaryScreen()->geometry()
+#define deskGeometry2 qApp->primaryScreen()->availableGeometry()
+#else
+#include "qdesktopwidget.h"
+#define deskGeometry qApp->desktop()->geometry()
+#define deskGeometry2 qApp->desktop()->availableGeometry()
+#endif
+
+ColorWidget *ColorWidget::instance = 0;
+ColorWidget *ColorWidget::Instance()
+{
+    if (!instance) {
+        static QMutex mutex;
+        QMutexLocker locker(&mutex);
+        if (!instance) {
+            instance = new ColorWidget;
+        }
+    }
+
+    return instance;
+}
+
+ColorWidget::ColorWidget(QWidget *parent) : QWidget(parent)
+{
+    gridLayout = new QGridLayout(this);
+    gridLayout->setSpacing(6);
+    gridLayout->setContentsMargins(11, 11, 11, 11);
+
+    verticalLayout = new QVBoxLayout();
+    verticalLayout->setSpacing(0);
+
+    labColor = new QLabel(this);
+    labColor->setText("+");
+    labColor->setStyleSheet("background-color: rgb(255, 107, 107);color: rgb(250, 250, 250);");
+    labColor->setAlignment(Qt::AlignCenter);
+    QFont font;
+    font.setPixelSize(35);
+    font.setBold(true);
+    labColor->setFont(font);
+
+    QSizePolicy sizePolicy(QSizePolicy::Preferred, QSizePolicy::Expanding);
+    sizePolicy.setHorizontalStretch(0);
+    sizePolicy.setVerticalStretch(0);
+    sizePolicy.setHeightForWidth(labColor->sizePolicy().hasHeightForWidth());
+    labColor->setSizePolicy(sizePolicy);
+    labColor->setMinimumSize(QSize(80, 70));
+    labColor->setMaximumSize(QSize(80, 70));
+    labColor->setCursor(QCursor(Qt::CrossCursor));
+    labColor->setFrameShape(QFrame::StyledPanel);
+    labColor->setFrameShadow(QFrame::Sunken);
+
+    verticalLayout->addWidget(labColor);
+
+    label = new QLabel(this);
+    label->setMinimumSize(QSize(0, 18));
+    label->setStyleSheet("background-color: rgb(0, 0, 0);color: rgb(200, 200, 200);");
+    label->setAlignment(Qt::AlignCenter);
+
+    verticalLayout->addWidget(label);
+    gridLayout->addLayout(verticalLayout, 0, 0, 3, 1);
+
+    labWeb = new QLabel(this);
+    gridLayout->addWidget(labWeb, 0, 1, 1, 1);
+
+    txtWeb = new QLineEdit(this);
+    gridLayout->addWidget(txtWeb, 0, 2, 1, 1);
+
+    labRgb = new QLabel(this);
+    gridLayout->addWidget(labRgb, 1, 1, 1, 1);
+
+    txtRgb = new QLineEdit(this);
+    gridLayout->addWidget(txtRgb, 1, 2, 1, 1);
+
+    labPoint = new QLabel(this);
+    gridLayout->addWidget(labPoint, 2, 1, 1, 1);
+
+    txtPoint = new QLineEdit(this);
+    gridLayout->addWidget(txtPoint, 2, 2, 1, 1);
+
+    label->setText("当前颜色");
+    labWeb->setText("web值:");
+    labRgb->setText("rgb值:");
+    labPoint->setText("坐标值:");
+
+    this->setLayout(gridLayout);
+    this->setWindowTitle("屏幕拾色器");
+    this->setFixedSize(300, 108);
+
+    cp = QApplication::clipboard();
+    pressed = false;
+
+    timer = new QTimer(this);
+    timer->setInterval(100);
+    connect(timer, SIGNAL(timeout()), this, SLOT(showColorValue()));
+    timer->start();
+}
+
+ColorWidget::~ColorWidget()
+{
+}
+
+void ColorWidget::mousePressEvent(QMouseEvent *e)
+{
+    if (labColor->rect().contains(e->pos())) {
+        pressed = true;
+    }
+}
+
+void ColorWidget::mouseReleaseEvent(QMouseEvent *)
+{
+    pressed = false;
+}
+
+void ColorWidget::showColorValue()
+{
+    if (!pressed) {
+        return;
+    }
+
+    int x = QCursor::pos().x();
+    int y = QCursor::pos().y();
+    txtPoint->setText(tr("x:%1  y:%2").arg(x).arg(y));
+
+#if (QT_VERSION >= QT_VERSION_CHECK(5,0,0))
+    QScreen *screen = qApp->primaryScreen();
+    QPixmap pixmap = screen->grabWindow(0, x, y, 2, 2);
+#else
+    QPixmap pixmap = QPixmap::grabWindow(qApp->desktop()->winId(), x, y, 2, 2);
+#endif
+
+    int red, green, blue;
+    QString strDecimalValue, strHex;
+    if (pixmap.isNull()) {
+        return;
+    }
+
+    QImage image = pixmap.toImage();
+    if (image.valid(0, 0)) {
+        QColor color = image.pixel(0, 0);
+        red = color.red();
+        green = color.green();
+        blue = color.blue();
+        QString strRed = tr("%1").arg(red & 0xFF, 2, 16, QChar('0'));
+        QString strGreen = tr("%1").arg(green & 0xFF, 2, 16, QChar('0'));
+        QString strBlue = tr("%1").arg(blue & 0xFF, 2, 16, QChar('0'));
+
+        strDecimalValue = tr("%1, %2, %3").arg(red).arg(green).arg(blue);
+        strHex = tr("#%1%2%3").arg(strRed.toUpper()).arg(strGreen.toUpper()).arg(strBlue.toUpper());
+    }
+
+    //根据背景色自动计算合适的前景色
+    QColor color(red, green, blue);
+    double gray = (0.299 * color.red() + 0.587 * color.green() + 0.114 * color.blue()) / 255;
+    QColor textColor = gray > 0.5 ? Qt::black : Qt::white;
+
+    QString str = tr("background:rgb(%1);color:%2").arg(strDecimalValue).arg(textColor.name());
+    labColor->setStyleSheet(str);
+    txtRgb->setText(strDecimalValue);
+    txtWeb->setText(strHex);
+}

widget/colorwidget/colorwidget.h

@@ -0,0 +1,58 @@
+#ifndef COLORWIDGET_H
+#define COLORWIDGET_H
+
+/**
+ * 屏幕拾色器 作者:feiyangqingyun(QQ:517216493) 2016-11-11
+ * 1. 鼠标按下实时采集鼠标处的颜色。
+ * 2. 实时显示颜色值。
+ * 3. 支持16进制格式和rgb格式。
+ * 4. 实时显示预览颜色。
+ * 5. 根据背景色自动计算合适的前景色。
+ */
+
+#include <QWidget>
+
+class QGridLayout;
+class QVBoxLayout;
+class QLabel;
+class QLineEdit;
+
+#ifdef quc
+class Q_DECL_EXPORT ColorWidget : public QWidget
+#else
+class ColorWidget : public QWidget
+#endif
+
+{
+    Q_OBJECT
+public:
+    static ColorWidget *Instance();
+    explicit ColorWidget(QWidget *parent = 0);
+    ~ColorWidget();
+
+protected:
+    void mousePressEvent(QMouseEvent *);
+    void mouseReleaseEvent(QMouseEvent *);
+
+private:
+    static ColorWidget *instance;
+    QClipboard *cp;
+    bool pressed;
+    QTimer *timer;
+
+    QGridLayout *gridLayout;
+    QVBoxLayout *verticalLayout;
+    QLabel *labColor;
+    QLabel *label;
+    QLabel *labWeb;
+    QLineEdit *txtWeb;
+    QLabel *labRgb;
+    QLineEdit *txtRgb;
+    QLabel *labPoint;
+    QLineEdit *txtPoint;
+
+private Q_SLOTS:
+    void showColorValue();
+};
+
+#endif // COLORWIDGET_H

widget/colorwidget/colorwidget.pro

@@ -0,0 +1,17 @@
+QT += core gui
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+greaterThan(QT_MAJOR_VERSION, 5): QT += core5compat
+
+TARGET      = colorwidget
+TEMPLATE    = app
+DESTDIR     = $$PWD/../bin
+CONFIG      += warn_off
+
+SOURCES     += main.cpp
+SOURCES     += frmcolorwidget.cpp
+SOURCES     += colorwidget.cpp
+
+HEADERS     += colorwidget.h
+HEADERS     += frmcolorwidget.h
+
+FORMS       += frmcolorwidget.ui

widget/colorwidget/frmcolorwidget.cpp

@@ -0,0 +1,18 @@
+#include "frmcolorwidget.h"
+#include "ui_frmcolorwidget.h"
+#include "colorwidget.h"
+
+frmColorWidget::frmColorWidget(QWidget *parent) : QWidget(parent), ui(new Ui::frmColorWidget)
+{
+    ui->setupUi(this);
+}
+
+frmColorWidget::~frmColorWidget()
+{
+    delete ui;
+}
+
+void frmColorWidget::on_pushButton_clicked()
+{
+    ColorWidget::Instance()->show();
+}

widget/colorwidget/frmcolorwidget.h

@@ -0,0 +1,25 @@
+#ifndef FRMCOLORWIDGET_H
+#define FRMCOLORWIDGET_H
+
+#include <QWidget>
+
+namespace Ui {
+class frmColorWidget;
+}
+
+class frmColorWidget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit frmColorWidget(QWidget *parent = 0);
+    ~frmColorWidget();
+
+private slots:
+    void on_pushButton_clicked();
+
+private:
+    Ui::frmColorWidget *ui;
+};
+
+#endif // FRMCOLORWIDGET_H

widget/colorwidget/frmcolorwidget.ui

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>frmColorWidget</class>
+ <widget class="QWidget" name="frmColorWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <widget class="QPushButton" name="pushButton">
+   <property name="geometry">
+    <rect>
+     <x>10</x>
+     <y>10</y>
+     <width>92</width>
+     <height>28</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>弹出</string>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

widget/colorwidget/main.cpp

@@ -0,0 +1,31 @@
+#pragma execution_character_set("utf-8")
+
+#include "frmcolorwidget.h"
+#include <QApplication>
+#include <QTextCodec>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    a.setFont(QFont("Microsoft Yahei", 9));
+
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
+#if _MSC_VER
+    QTextCodec *codec = QTextCodec::codecForName("gbk");
+#else
+    QTextCodec *codec = QTextCodec::codecForName("utf-8");
+#endif
+    QTextCodec::setCodecForLocale(codec);
+    QTextCodec::setCodecForCStrings(codec);
+    QTextCodec::setCodecForTr(codec);
+#else
+    QTextCodec *codec = QTextCodec::codecForName("utf-8");
+    QTextCodec::setCodecForLocale(codec);
+#endif
+
+    frmColorWidget w;
+    w.setWindowTitle("屏幕拾色器");
+    w.show();
+
+    return a.exec();
+}