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欢迎大家来到Qt中文论坛

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  • J Offline
    J Offline
    jayjie
    wrote on last edited by
    #48

    捧场,捧场来啦,弱弱的问一下,那个视频怎么看不起喃

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    • J Offline
      J Offline
      jiangcaiyang
      wrote on last edited by
      #49

      YouTube的视频在大陆看不起。
      [quote author="jayjie" date="1374976398"]捧场,捧场来啦,弱弱的问一下,那个视频怎么看不起喃[/quote]

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      • E Offline
        E Offline
        eiao
        wrote on last edited by
        #50

        新人报道~从百度贴吧过来...

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        • Z Offline
          Z Offline
          zixialang
          wrote on last edited by
          #51

          I'm coming.

          1 Reply Last reply
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          • L Offline
            L Offline
            liye0005
            wrote on last edited by
            #52

            新人报道

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            • C Offline
              C Offline
              caochuanlong
              wrote on last edited by
              #53

              我装的QT5.2,然后编译时提示没有compiler,请问该怎么弄呢?我时新手,呵呵

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              • J Offline
                J Offline
                jekin
                wrote on last edited by
                #54

                一直不知有个中文的版块,一直用Qt遇到的问题是很多,因为英文表达比较差,所以很少提问,很多的问题都是靠自己反复阅读英文文档才搞明白,以后至少可以在这里向大家提提问。

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                • T Offline
                  T Offline
                  the_maskedman
                  wrote on last edited by
                  #55

                  新人来报个到.

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                  • H Offline
                    H Offline
                    hou_jiangzhen
                    wrote on last edited by
                    #56

                    @
                    #pragma once
                    #ifndef HICONEDITOR_H
                    #define HICONEDITOR_H
                    #include <QWidget>
                    //!@ HIConEditor 类描述
                    //!@ 类名:HIConEditor
                    //!@ 基类名:QWidget
                    //!@ 文件名称:e:\DrawLine\test\HIConEditor.h
                    //!@ 创建者:Administrator
                    //!@ 创建时间: 2014/03/29 17:26:33
                    //!@ 类描述:

                    class HIConEditor:public QWidget
                    {
                    Q_OBJECT
                    Q_PROPERTY(QImage iconImage READ GetIConImage WRITE SetIConImage)
                    Q_PROPERTY(QColor penColor READ GetPenColor WRITE SetPenColor)
                    Q_PROPERTY(int zoomFactor READ GetZoomFactor WRITE SetZoomFactor)
                    public:
                    HIConEditor(QWidget *pParent=0);

                    void SetPenColor(const QColor &newColor);
                    inline QColor GetPenColor()const{return m_curColor;}
                    void SetIConImage(const QImage &newImage);
                    inline QImage GetIConImage()const{return m_curImage;}
                    void SetZoomFactor(const int nZoom);
                    inline int GetZoomFactor()const{return m_nZoom;}

                    //!@重写基类函数
                    QSize sizeHint()const;

                    //!@ 重写基类函数
                    protected:
                    void mousePressEvent(QMouseEvent * event);
                    void mouseMoveEvent(QMouseEvent * event);
                    void paintEvent(QPaintEvent * event);

                    private:
                    void SetImagePixel(const QPoint &ptPosition,bool bOpaque);
                    QRect GetPixelRect( const int nX, const int nY);

                    private:
                    QColor m_curColor;
                    QImage m_curImage;
                    int m_nZoom;
                    };

                    #endif
                    @
                    @#include <QPainter>
                    #include <QPaintEvent>
                    #include "HIConEditor.h"
                    HIConEditor::HIConEditor( QWidget pParent/=0*/ )
                    :QWidget(pParent)
                    {
                    setAttribute(Qt::WA_StaticContents);
                    setSizePolicy(QSizePolicy::Minimum,QSizePolicy::Minimum);
                    m_curColor=Qt::black;
                    m_nZoom=8;
                    m_curImage=QImage(16,16,QImage::Format_ARGB32);//w,h
                    m_curImage.fill(qRgba(0,0,0,0));
                    }

                    QSize HIConEditor::sizeHint() const
                    {
                    QSize qSize=m_nZoom*m_curImage.size();
                    if (m_nZoom>=3)
                    {
                    qSize+=QSize(1,1);
                    }
                    return qSize;
                    }

                    void HIConEditor::SetPenColor( const QColor &newColor )
                    {
                    if (newColor != m_curColor)
                    {
                    m_curColor=newColor;
                    }
                    }

                    void HIConEditor::SetIConImage( const QImage &newImage )
                    {
                    if (newImage !=m_curImage)
                    {
                    m_curImage=newImage.convertToFormat(QImage::Format_ARGB32);
                    update();
                    updateGeometry();
                    }
                    }

                    void HIConEditor::SetZoomFactor( const int nZoom )
                    {
                    if (nZoom !=m_nZoom)
                    {
                    if (nZoom<1)
                    {
                    m_nZoom=nZoom;
                    update();
                    updateGeometry();
                    }
                    }
                    }

                    void HIConEditor::paintEvent( QPaintEvent * event )
                    {
                    QPainter painter(this);
                    if (m_nZoom>=3)
                    {
                    painter.setPen(palette().foreground().color());
                    for (int i=0;i<=m_curImage.width();i++)
                    {
                    painter.drawLine(m_nZoomi,0,m_nZoomi,m_nZoomm_curImage.height());
                    }
                    for(int i=0;i<=m_curImage.height();i++)
                    {
                    painter.drawLine(0,m_nZoom
                    i,m_nZoomm_curImage.width(),m_nZoomi);
                    }
                    }
                    for(int i=0;i<m_curImage.width();i++)
                    {
                    for(int j=0;j<m_curImage.height();j++)
                    {
                    QRect rect=GetPixelRect(i,j);
                    if (!event->region().intersect(rect).isEmpty())
                    {
                    QColor color=QColor::fromRgba(m_curImage.pixel(i,j));
                    if (color.alpha()<255)
                    {
                    painter.fillRect(rect,Qt::white);
                    }
                    else
                    {
                    painter.fillRect(rect,color);
                    }
                    }
                    }
                    }
                    }

                    QRect HIConEditor::GetPixelRect( const int nX, const int nY )
                    {
                    if (m_nZoom>=3)
                    {
                    return QRect(m_nZoomnX+1,m_nZoomnY+1,m_nZoom-1,m_nZoom-1);//(x,y,w,h)
                    }
                    else
                    {
                    return QRect(m_nZoomnX,m_nZoomnY,m_nZoom,m_nZoom);
                    }
                    }

                    void HIConEditor::mousePressEvent( QMouseEvent * event )
                    {
                    if (event->button()==Qt::LeftButton)
                    {
                    SetImagePixel(event->pos(),true);
                    }
                    else if (event->button()==Qt::RightButton)
                    {
                    SetImagePixel(event->pos(),false);
                    }
                    }

                    void HIConEditor::SetImagePixel( const QPoint &ptPosition,bool bOpaque )
                    {
                    int i=ptPosition.x()/m_nZoom;
                    int j=ptPosition.y()/m_nZoom;
                    if (m_curImage.rect().contains(i,j))
                    {
                    if (bOpaque)
                    {
                    m_curImage.setPixel(i,j,GetPenColor().rgba());
                    }
                    else
                    {
                    m_curImage.setPixel(i,j,qRgba(0,0,0,0));
                    }
                    update(GetPixelRect(i,j));
                    }
                    }

                    void HIConEditor::mouseMoveEvent( QMouseEvent * event )
                    {
                    if (event->buttons()&Qt::LeftButton)
                    {
                    SetImagePixel(event->pos(),true);
                    }
                    else if (event->buttons()&Qt::RightButton)
                    {
                    SetImagePixel(event->pos(),false);
                    }
                    }
                    @
                    @#pragma once
                    #ifndef HICONEDITORPLUGIN_H
                    #define HICONEDITORPLUGIN_H
                    #include <QDesignerCustomWidgetInterface>
                    class HIconEditorPlugin :public QObject,public QDesignerCustomWidgetInterface
                    {
                    Q_OBJECT
                    Q_INTERFACES(QDesignerCustomWidgetInterface) //告知qt这个类实现的是QDesignerCustomWidgetInterface接口
                    public:
                    HIconEditorPlugin(QObject*pParent=0);

                    //!@ 重写
                    QString name()const;
                    //!@ 重写
                    QString includeFile()const;
                    //!@ 重写
                    QString group()const;
                    //!@ 重写
                    QIcon icon()const;
                    //!@ 重写
                    QString toolTip()const;
                    //!@ 重写
                    QString whatsThis()const;
                    //!@ 重写
                    bool isContainer()const;
                    //!@ 重写
                    QWidget createWidget(QWidget parent);
                    };
                    #endif
                    @
                    @
                    #include "HIconEditorPlugin.h"
                    #include "HIConEditor.h"
                    #include "qplugin.h"
                    HIconEditorPlugin::HIconEditorPlugin( QObject
                    pParent/
                    =0*/ )
                    :QObject(pParent)
                    {

                    }

                    QString HIconEditorPlugin::name() const
                    {
                    return "HIConEditor";
                    }

                    QString HIconEditorPlugin::includeFile() const
                    {
                    return "HIConEditor.h";
                    }

                    QString HIconEditorPlugin::group() const
                    {
                    return tr("Image Manipulation Widgets");
                    }

                    QIcon HIconEditorPlugin::icon() const
                    {
                    return QIcon(":/images/iconeditor.png");
                    }

                    QString HIconEditorPlugin::toolTip() const
                    {
                    return tr("An icon editor widget");
                    }

                    QString HIconEditorPlugin::whatsThis() const
                    {
                    return tr("This widget is presented in Chapter 5 of <i>C++ GUI"
                    "Programming with Qt 4</i> as example of a custom Qt"
                    "widget.");
                    }

                    bool HIconEditorPlugin::isContainer() const
                    {
                    return false;
                    }

                    QWidget * HIconEditorPlugin::createWidget( QWidget *parent )
                    {
                    return new HIConEditor(parent);
                    }
                    Q_EXPORT_PLUGIN2(hiconeditorplugin,HIconEditorPlugin)@

                    为什么下面这个QImage属性在QDesigner设计器中不显示,而其他定义的属性正常显示。
                    !C:\Users\Administrator\Desktop\QQ图片20140330192657.jpg(F:\QQ图片20140330192657.jpg)!Q_PROPERTY(QImage iconImage READ GetIConImage WRITE SetIConImage)

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                    • Q Offline
                      Q Offline
                      qq897425998
                      wrote on last edited by
                      #57

                      今天才发现 官网资源 这么丰富 以后就用官的论坛了

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                      0
                      • Q Offline
                        Q Offline
                        qq897425998
                        wrote on last edited by
                        #58

                        今天才发现 官网资源 这么丰富 以后就用官的论坛了 就是访问这网站慢了点

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                        • W Offline
                          W Offline
                          William_YY
                          wrote on last edited by
                          #59

                          都是2011年的回帖,没人了么。

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                          • C Offline
                            C Offline
                            CloudCastle
                            wrote on last edited by
                            #60

                            我是武汉的,一直在玩百度贴吧
                            第一次到这边来,请多多关照~

                            a laptop and a book, a cup of coffee with one person.

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                            • S Offline
                              S Offline
                              smallghost
                              wrote on last edited by
                              #61

                              新人报道!!!

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                              0
                              • D Offline
                                D Offline
                                deleted487
                                wrote on last edited by
                                #62

                                测试一下

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                                0
                                • D Offline
                                  D Offline
                                  deleted487
                                  wrote on last edited by
                                  #63

                                  test from Chrome

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                                  0
                                  • J Offline
                                    J Offline
                                    jiangcaiyang
                                    wrote on last edited by
                                    #64

                                    Test from Chrome V35 for Windows.

                                    1 Reply Last reply
                                    0
                                    • W Offline
                                      W Offline
                                      wuhuan
                                      wrote on last edited by
                                      #65

                                      安装的时候,需要用户认证,出现ssl握手失败导致无法下一步安装,要怎么解决?

                                      joeQJ 1 Reply Last reply
                                      0
                                      • W wuhuan

                                        安装的时候,需要用户认证,出现ssl握手失败导致无法下一步安装,要怎么解决?

                                        joeQJ Offline
                                        joeQJ Offline
                                        joeQ
                                        wrote on last edited by
                                        #66

                                        @wuhuan 您好!

                                        对于新的问题,可以发布新的Post。

                                        请问您安装的是Qt的哪一个版本?安装的时候,是可以skip跳过用户这一步骤的。安装开始界面有一个skip button。

                                        Just do it!

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                                        • Crawl.WC Offline
                                          Crawl.WC Offline
                                          Crawl.W
                                          wrote on last edited by
                                          #67

                                          可以的,只是限制了国际友人支持的难度

                                          1 Reply Last reply
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