Python QtGui.QGraphicsScene方法代码示例

# 需要导入模块: from PyQt4 import QtGui [as 别名]
# 或者: from PyQt4.QtGui import QGraphicsScene [as 别名]
def showCode(self):
        pixmap = QtGui.QPixmap()
        pixmap.load("api/code.jpg")
        pixmap.scaledToHeight(60)
        pixmap.scaledToWidth(120)
        self.scene_code = QtGui.QGraphicsScene(self)
        item = QtGui.QGraphicsPixmapItem(pixmap)
        self.scene_code.addItem(item)
        self.ui.img_code.setScene(self.scene_code)
        self.resize(257, 235)
        self.ui.lbl_code.setGeometry(QtCore.QRect(20, 110, 63, 18))
        self.ui.text_code.setGeometry(QtCore.QRect(70, 100, 113, 28))
        self.ui.img_code.setGeometry(QtCore.QRect(60, 130, 120, 50))
        self.ui.btn_login.setGeometry(QtCore.QRect(20, 190, 93, 27))
        self.ui.btn_cancel.setGeometry(QtCore.QRect(140, 190, 93, 27))
        self.ui.lbl_code.show()
        self.ui.text_code.show()
        self.ui.img_code.show()

# chat 

# 需要导入模块: from PyQt4 import QtGui [as 别名]
# 或者: from PyQt4.QtGui import QGraphicsScene [as 别名]
def __init__(self):
        QGraphicsView.__init__(self)

        # Image is displayed as a QPixmap in a QGraphicsScene attached to this QGraphicsView.
        self.scene = QGraphicsScene()
        self.setScene(self.scene)

        # Store a local handle to the scene's current image pixmap.
        self._pixmapHandle = None

        # Image aspect ratio mode.
        # !!! ONLY applies to full image. Aspect ratio is always ignored when zooming.
        #   Qt.IgnoreAspectRatio: Scale image to fit viewport.
        #   Qt.KeepAspectRatio: Scale image to fit inside viewport, preserving aspect ratio.
        #   Qt.KeepAspectRatioByExpanding: Scale image to fill the viewport, preserving aspect ratio.
        self.aspectRatioMode = Qt.KeepAspectRatio

        # Scroll bar behaviour.
        #   Qt.ScrollBarAlwaysOff: Never shows a scroll bar.
        #   Qt.ScrollBarAlwaysOn: Always shows a scroll bar.
        #   Qt.ScrollBarAsNeeded: Shows a scroll bar only when zoomed.
        self.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
        self.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)

        # Stack of QRectF zoom boxes in scene coordinates.
        self.zoomStack = []

        # Flags for enabling/disabling mouse interaction.
        self.canZoom = True
        self.canPan = True 

# 需要导入模块: from PyQt4 import QtGui [as 别名]
# 或者: from PyQt4.QtGui import QGraphicsScene [as 别名]
def setupSelf(self,main,account,lnick):
        pixmap = QtGui.QPixmap()
        pixmap.load('tmp/head/' + str(account) + '.jpg')
        scene = QtGui.QGraphicsScene(main)
        item = QtGui.QGraphicsPixmapItem(pixmap)
        scene.addItem(item)
        self.img_head.setScene(scene)
        self.lbl_head.setText(_translate("Main", str(account), None))
        self.lbl_content.setText(_translate("Main", lnick, None)) 

# 需要导入模块: from PyQt4 import QtGui [as 别名]
# 或者: from PyQt4.QtGui import QGraphicsScene [as 别名]
def setupFace(self, main,data):
        
        for i in range(len(data['friends'])):
            name = str(data['friends'][i]['uin'])
            pixmap = QtGui.QPixmap()
            if not os.path.exists('tmp/head/'+name+'.jpg'):
                name = 'qq'
            pixmap.load('tmp/head/' + name + '.jpg')
            scene = QtGui.QGraphicsScene(main)
            item = QtGui.QGraphicsPixmapItem(pixmap)
            scene.addItem(item)
            self.graphicsView[data['friends'][i]['uin']].setScene(scene)
            self.graphicsView[data['friends'][i]['uin']].resize(50,50) 

# 需要导入模块: from PyQt4 import QtGui [as 别名]
# 或者: from PyQt4.QtGui import QGraphicsScene [as 别名]
def createImg(self,flag,uin):
        pixmap = QtGui.QPixmap()
        if flag=='discuss':
            url='tmp/sys/discuss.png'
        elif flag=='group':
            url='tmp/sys/group.jpg'
        else:
            url='tmp/head/'+str(uin)+'.jpg'
            if not os.path.exists(url):
                url='tmp/head/qq.jpg'
        pixmap.load(url)
        scene = QtGui.QGraphicsScene()
        item = QtGui.QGraphicsPixmapItem(pixmap)
        scene.addItem(item)
        return scene 

# 需要导入模块: from PyQt4 import QtGui [as 别名]
# 或者: from PyQt4.QtGui import QGraphicsScene [as 别名]
def createImg(self,uin,flag=0,g_sender=None):
        ex='head'
        if flag==0:
            name = str(uin)+'.jpg'
        else:
            if flag==1 and g_sender is None:
                ex='sys'
                name='group.jpg'
            elif flag==2 and g_sender is None:
                ex='sys'
                name='discuss.png'
            else:
                name = str(g_sender)+'.jpg'
        pixmap = QtGui.QPixmap()

        if not os.path.exists('tmp/'+ex+'/' + name ):
            if flag!=0:
                self.main.loadFace(g_sender)
                print 'load group face'
            name = 'qq.jpg'
        print 'pic:','tmp/',ex,'/',name
        pixmap.load('tmp/'+ex+'/' + name )
        scene = QtGui.QGraphicsScene()
        item = QtGui.QGraphicsPixmapItem(pixmap)
        scene.addItem(item)
        return scene 

# 需要导入模块: from PyQt4 import QtGui [as 别名]
# 或者: from PyQt4.QtGui import QGraphicsScene [as 别名]
def __init__(self, tabletName, parent=None):
        QtGui.QWidget.__init__(self, parent)
        self.setFixedSize(250, 300)
        self.scene = QtGui.QGraphicsScene()
        self.scene.setBspTreeDepth(1)
        self.view = QtGui.QGraphicsView(self.scene)
        self.view.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
        self.view.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
        self.tabletName = tabletName
        self.info = pressureInfo(self.tabletName)

        splitter = QtGui.QSplitter(QtCore.Qt.Vertical)
        splitter.addWidget(self.view)
        splitter.addWidget(self.info)
        splitter.setSizes([200, 50])
        splitter.handle(0).setEnabled(False)
        splitter.handle(1).setEnabled(False)
        #print splitter.count()

        testLayout = QtGui.QVBoxLayout()
        testLayout.setAlignment(QtCore.Qt.AlignBottom)
        testLayout.addWidget(splitter)
        self.setLayout(testLayout)
        self.blank = QtGui.QPixmap(250,250)
        self.blank.fill(QtCore.Qt.white)
        self.pixmap_item = QtGui.QGraphicsPixmapItem(self.blank, None, self.scene)