Beispiel #1
0
def render_drop_shadow_frame(pixmap, shadow_rect, shadow_color,
                             offset, radius, rect_fill_color):
    pixmap.fill(QColor(0, 0, 0, 0))
    scene = QGraphicsScene()
    rect = QGraphicsRectItem(shadow_rect)
    rect.setBrush(QColor(rect_fill_color))
    rect.setPen(QPen(Qt.NoPen))
    scene.addItem(rect)
    effect = QGraphicsDropShadowEffect(color=shadow_color,
                                       blurRadius=radius,
                                       offset=offset)

    rect.setGraphicsEffect(effect)
    scene.setSceneRect(QRectF(QPointF(0, 0), QSizeF(pixmap.size())))
    painter = QPainter(pixmap)
    scene.render(painter)
    painter.end()
    scene.clear()
    scene.deleteLater()
    return pixmap
Beispiel #2
0
class Factura:
    def __init__(self,padre,num):
	self.padre=padre
	self.cursor=padre.cursor
	self.curser=padre.curser
	self.parent=padre
	self.num=num
	self.escena=QGraphicsScene()
	self.gvDocumento=QGraphicsView()
	#self.cfg=padre.cfg
	self.iniciar()

    def iniciar(self):
      if self.cargarPlantilla():
	iva=0
	subtotal=0
	total=0
	alto=int(self.cfg.get("documento", "alto"))
	ancho=int(self.cfg.get("documento", "ancho"))
	cfont=QFont("Droid Sans", int(self.cfg.get("cliente", "fuente")), int(self.cfg.get("cliente", "peso") ))
	pfont=QFont("Droid Sans", int(self.cfg.get("productos", "fuente")), int(self.cfg.get("productos", "peso") ))
	ffont=QFont("Droid Sans", int(self.cfg.get("fecha", "fuente")), int(self.cfg.get("fecha", "peso") ))
	tfont=QFont("Droid Sans", int(self.cfg.get("totales", "fuente")), int(self.cfg.get("totales", "peso") ))
	self.escena.setSceneRect(-int(self.cfg.get("documento", "x")),-int(self.cfg.get("documento", "y")),ancho,alto)
	fuente=QFont("Droid Sans", int(self.cfg.get("documento", "fuente")), int(self.cfg.get("documento", "peso") ))
	smallDroid=QFont("Droid Sans", 9)
	sql="""SELECT * FROM clientes as C, notas WHERE notas.id=%s and notas.cliente=C.id;"""%self.num
	self.curser.execute(sql)
	cliente=self.curser.fetchone()
	if cliente!=None:
	  cliente=dicursor(self.curser,cliente)
	datos=self.escena.addText("",cfont)
	datos.setHtml("<p><b>Nombre:</b> %s<br><b>Direccion:</b>  %s, C.P %s %s, %s.<br><b>RFC:</b>  %s</p>"%(cliente['nombre'],cliente['direccion'],cliente['correo'],cliente['poblacion'],cliente['estado'],cliente['rfc']))
	datos.setPos(int(self.cfg.get("cliente", "x")) ,int(self.cfg.get("cliente", "y")))
	datos.setTextWidth(int(self.cfg.get("cliente", "ancho")))
	self.curser.execute("SELECT cantidad, `descripcion`,total/cantidad as precio,total,porcentaje as imp,unidades.nombre as unidad, ' ' as espacio  from productos,vendidos, impuestos , unidades where ref=producto and venta="+str(self.num)+" and impuestos.id=impuesto and unidades.id=unidad group by ref")
	fecha=self.escena.addText("",ffont)
	if isinstance(cliente['fecha'],datetime.datetime):
	  fecha.setHtml(cliente['fecha'].strftime(self.cfg.get("fecha", "formato")))
	else:
	  fecha.setHtml(datetime.datetime.strptime(cliente['fecha'],'%Y-%m-%d %H:%M:%S').strftime(self.cfg.get("fecha", "formato")))
	fecha.setPos(int(self.cfg.get("fecha", "x")),int(self.cfg.get("fecha", "y")))
	fecha.setTextWidth(int(self.cfg.get("fecha", "ancho")))
	#print "SELECT cantidad, `descripcion`,precio,total from productos,vendidos where ref=producto and venta="+str(self.num)+" group by ref"
	arts=self.curser.fetchall()
	if arts!=None:
	  arts=dicursor(self.curser,arts)
	  col=[[],[],[],[],[]]
	  #dict(arts)
	  for item in arts:
	    imp=0;porc=0
	    imp=item['total']/float("1.%d"%item['imp'])
	    porc=imp*(int(item['imp'])*.01)
	    #imp=round(imp,2)
	    #porc=round(porc,2)
	    #porc+=item['total']-(imp+porc)
	    total+=item['total']
	    item['precio']=round(imp/item['cantidad'],2)
	    item['total']=round(imp,2) 
	    iva+=porc
	    subtotal+=imp
	  subtotal=round(subtotal,2)
	  iva=round(iva,2)
	  filas=[]
	  campos=self.cfg.get("productos", "campos").replace(" ","").split(",")
	  heads="{%s}"%"},{".join(campos)
	  anchos=self.cfg.get("productos", "anchos").replace(" ","").split(",")
	  #cabezas=heads.replace("{","").replace("}","").split(",")
	  for item in arts:
	      row=heads.format(**item)
	      filas.append(row.split(','))

	  heads=heads.replace("{","").replace("}","") 
	  tabla=self.escena.addText("",pfont)
	  tabla.setHtml(listaHtml(filas,cabezas=campos,color='#fff',fondo="#FFF", tfuente=11,opc="101",css="th{color:#FFF} .celda{margin:10px;padding:5px;}",anchos=anchos))
	  tabla.setPos(int(self.cfg.get("productos", "x")),int(self.cfg.get("productos", "y")))
	  tabla.setTextWidth(int(self.cfg.get("productos", "ancho")))

	cantidad=self.escena.addText("",pfont)
	cantidad.setHtml("<center>%s</center>"%nletra(total))
	cantidad.setPos(int(self.cfg.get("nletra", "x")),int(self.cfg.get("nletra", "y")))
	cantidad.setTextWidth(int(self.cfg.get("nletra", "ancho")))
	totales=self.escena.addText("",tfont)
	totales.setHtml("<p ALIGN=right>%.2f</p><p ALIGN=right>%.2f</p><p ALIGN=right>%.2f</p>"%(float(subtotal),float(iva),float(total)))
	totales.setPos(int(self.cfg.get("totales", "x")),int(self.cfg.get("totales", "y")))
	totales.setTextWidth(int(self.cfg.get("totales", "ancho")))
	#self.curser.execute("SELECT cantidad, `descripcion`,precio,total from productos,vendidos where ref=producto and venta="+str(self.num)+" group by ref")
	
	self.gvDocumento.setScene(self.escena)
      else:
	print "Error al cargar plantilla"
	
    def alinear(self,item):
      formato=QTextBlockFormat()
      formato.setAlignment(Qt.AlignRight)
      cursor = item.textCursor()
      cursor.select(QTextCursor.Document)
      cursor.mergeBlockFormat(formato)
      cursor.clearSelection()
      item.setTextCursor(cursor)

    def cargarPlantilla(self):
	self.cfg = Cp.ConfigParser()
	if self.cfg.read([os.path.join(home,"formas","factura.cfg")]):
	  if self.cfg.has_option("documento", "version"):
	    return True
	else:
	  return False
    
	
    def br(self,texto):
	 offset=1
	 font=texto.font()
	 pos=texto.pos()
	 return QPointF(pos.x(),float(pos.y())+float(font.pointSize())+offset)

    def imprimir(self):
      	printer=QPrinter(QPrinter.HighResolution)
	printer.setPaperSize(QPrinter.Letter)   
	printer.setOutputFormat(QPrinter.PdfFormat)
	ruta=os.path.join(self.parent.cfg.get("factura", "ruta"),'Factura-'+str(self.num)+'.pdf')
	printer.setOutputFileName(ruta)
	prev=QPrintDialog(printer,self.padre)
	if prev.exec_()==QDialog.Accepted:
	    paint=QPainter()
	    paint.begin(printer)
	    self.escena.render(paint)
	    paint.end()
	    print "Imprimiendo..."
	    
	if sys.platform == 'linux2':
	    os.system("gnome-open '%s' "%ruta)
	elif sys.platform == 'win32':
	    os.system("start '%s'"%ruta)
Beispiel #3
0
class BrushingModel(QObject):
    brushSizeChanged     = pyqtSignal(int)
    brushColorChanged    = pyqtSignal(QColor)
    brushStrokeAvailable = pyqtSignal(QPointF, object)
    drawnNumberChanged   = pyqtSignal(int)

    minBrushSize       = 1
    maxBrushSize       = 61
    defaultBrushSize   = 3
    defaultDrawnNumber = 1
    defaultColor       = Qt.white
    erasingColor       = Qt.black
    erasingNumber      = 100

    def __init__(self, parent=None):
        QObject.__init__(self, parent=parent)
        self.sliceRect = None
        self.bb    = QRect() #bounding box enclosing the drawing
        self.brushSize = self.defaultBrushSize
        self.drawColor = self.defaultColor
        self._temp_color = None
        self._temp_number = None
        self.drawnNumber = self.defaultDrawnNumber

        self.pos = None
        self.erasing = False
        self._hasMoved = False

        self.drawOnto = None

        #an empty scene, where we add all drawn line segments
        #a QGraphicsLineItem, and which we can use to then
        #render to an image
        self.scene = QGraphicsScene()

    def toggleErase(self):
        self.erasing = not(self.erasing)
        if self.erasing:
            self.setErasing()
        else:
            self.disableErasing()

    def setErasing(self):
        self.erasing = True
        self._temp_color = self.drawColor
        self._temp_number = self.drawnNumber
        self.setBrushColor(self.erasingColor)
        self.brushColorChanged.emit(self.erasingColor)
        self.setDrawnNumber(self.erasingNumber)

    def disableErasing(self):
        self.erasing = False
        self.setBrushColor(self._temp_color)
        self.brushColorChanged.emit(self.drawColor)
        self.setDrawnNumber(self._temp_number)

    def setBrushSize(self, size):
        self.brushSize = size
        self.brushSizeChanged.emit(self.brushSize)

    def setDrawnNumber(self, num):
        self.drawnNumber = num
        self.drawnNumberChanged.emit(num)

    def getBrushSize(self):
        return self.brushSize

    def brushSmaller(self):
        b = self.brushSize
        if b > self.minBrushSize:
            self.setBrushSize(b-1)

    def brushBigger(self):
        b = self.brushSize
        if self.brushSize < self.maxBrushSize:
            self.setBrushSize(b+1)

    def setBrushColor(self, color):
        self.drawColor = color
        self.brushColorChanged.emit(self.drawColor)

    def beginDrawing(self, pos, sliceRect):
        '''

        pos -- QPointF-like
        '''
        self.sliceRect = sliceRect
        self.scene.clear()
        self.bb = QRect()
        self.pos = QPointF(pos.x(), pos.y())
        self._hasMoved = False

    def endDrawing(self, pos):
        has_moved = self._hasMoved # _hasMoved will change after calling moveTo
        if has_moved:
            self.moveTo(pos)
        else:
            assert(self.pos == pos)
            self.moveTo(QPointF(pos.x()+0.0001, pos.y()+0.0001)) # move a little

        tempi = QImage(QSize(self.bb.width(), self.bb.height()), QImage.Format_ARGB32_Premultiplied) #TODO: format
        tempi.fill(0)
        painter = QPainter(tempi)
        self.scene.render(painter, target=QRectF(), source=QRectF(QPointF(self.bb.x(), self.bb.y()), QSizeF(self.bb.width(), self.bb.height())))
        painter.end()

        ndarr = qimage2ndarray.rgb_view(tempi)[:,:,0]
        labels = numpy.where(ndarr>0,numpy.uint8(self.drawnNumber),numpy.uint8(0))
        labels = labels.swapaxes(0,1)
        assert labels.shape[0] == self.bb.width()
        assert labels.shape[1] == self.bb.height()

        ##
        ## ensure that at least one pixel is label when the brush size is 1
        ##
        ## this happens when the user just clicked without moving
        ## in that case the lineitem will be so tiny, that it won't be rendered
        ## into a single pixel by the code above
        if not has_moved and self.brushSize <= 1 and numpy.count_nonzero(labels) == 0:
            labels[labels.shape[0]//2, labels.shape[1]//2] = self.drawnNumber

        self.brushStrokeAvailable.emit(QPointF(self.bb.x(), self.bb.y()), labels)

    def dumpDraw(self, pos):
        res = self.endDrawing(pos)
        self.beginDrawing(pos, self.sliceRect)
        return res

    def moveTo(self, pos):
        #data coordinates
        oldX, oldY = self.pos.x(), self.pos.y()
        x,y = pos.x(), pos.y()

        line = QGraphicsLineItem(oldX, oldY, x, y)
        line.setPen(QPen( QBrush(Qt.white), self.brushSize, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
        self.scene.addItem(line)
        self._hasMoved = True

        #update bounding Box
        if not self.bb.isValid():
            self.bb = QRect(QPoint(oldX,oldY), QSize(1,1))
        #grow bounding box
        self.bb.setLeft(  min(self.bb.left(),   max(0,                   x-self.brushSize/2-1) ) )
        self.bb.setRight( max(self.bb.right(),  min(self.sliceRect[0]-1, x+self.brushSize/2+1) ) )
        self.bb.setTop(   min(self.bb.top(),    max(0,                   y-self.brushSize/2-1) ) )
        self.bb.setBottom(max(self.bb.bottom(), min(self.sliceRect[1]-1, y+self.brushSize/2+1) ) )

        #update/move position
        self.pos = pos
Beispiel #4
0
class BrushingModel(QObject):
    brushSizeChanged     = pyqtSignal(int)
    brushColorChanged    = pyqtSignal(QColor)
    brushStrokeAvailable = pyqtSignal(QPointF, object)
    drawnNumberChanged   = pyqtSignal(int)
    
    minBrushSize       = 1
    maxBrushSize       = 61
    defaultBrushSize   = 3
    defaultDrawnNumber = 1
    defaultColor       = Qt.white
    erasingColor       = Qt.black
    erasingNumber      = 100
    
    def __init__(self):
        QObject.__init__(self)
        self.sliceRect = None
        self.bb    = QRect() #bounding box enclosing the drawing
        self.brushSize = self.defaultBrushSize
        self.drawColor = self.defaultColor
        self._temp_color = None
        self._temp_number = None
        self.drawnNumber = self.defaultDrawnNumber

        self.pos = None
        self.erasing = False
        
        self.drawOnto = None
        
        #an empty scene, where we add all drawn line segments
        #a QGraphicsLineItem, and which we can use to then
        #render to an image
        self.scene = QGraphicsScene()

    def toggleErase(self):
        self.erasing = not(self.erasing)
        if self.erasing:
            self.setErasing()
        else:
            self.disableErasing()

    def setErasing(self):
        self.erasing = True
        self._temp_color = self.drawColor
        self._temp_number = self.drawnNumber
        self.setBrushColor(self.erasingColor)
        self.brushColorChanged.emit(self.erasingColor)
        self.setDrawnNumber(self.erasingNumber)
    
    def disableErasing(self):
        self.erasing = False
        self.setBrushColor(self._temp_color)
        self.brushColorChanged.emit(self.drawColor)
        self.setDrawnNumber(self._temp_number)

    def setBrushSize(self, size):
        self.brushSize = size
        self.brushSizeChanged.emit(self.brushSize)
    
    def setDrawnNumber(self, num):
        print "Setting Drawnnumer", num
        self.drawnNumber = num
        self.drawnNumberChanged.emit(num)
        
    def getBrushSize(self):
        return self.brushSize
    
    def brushSmaller(self):
        b = self.brushSize
        if b > self.minBrushSize:
            self.setBrushSize(b-1)
        
    def brushBigger(self):
        b = self.brushSize
        if self.brushSize < self.maxBrushSize:
            self.setBrushSize(b+1)
        
    def setBrushColor(self, color):
        self.drawColor = color
        self.brushColorChanged.emit(self.drawColor)
    
    def beginDrawing(self, pos, sliceRect):
        self.sliceRect = sliceRect
        self.scene.clear()
        self.bb = QRect()
        self.pos = QPointF(pos.x()+0.0001, pos.y()+0.0001)
        line = self.moveTo(pos)
        return line

    def endDrawing(self, pos):
        self.moveTo(pos)

        tempi = QImage(QSize(self.bb.width(), self.bb.height()), QImage.Format_ARGB32_Premultiplied) #TODO: format
        tempi.fill(0)
        painter = QPainter(tempi)
        self.scene.render(painter, target=QRectF(), source=QRectF(QPointF(self.bb.x(), self.bb.y()), QSizeF(self.bb.width(), self.bb.height())))
        painter.end()
        
        ndarr = qimage2ndarray.rgb_view(tempi)[:,:,0]
        labels = numpy.where(ndarr>0,numpy.uint8(self.drawnNumber),numpy.uint8(0))
        labels = labels.swapaxes(0,1)
        assert labels.shape[0] == self.bb.width()
        assert labels.shape[1] == self.bb.height()

        self.brushStrokeAvailable.emit(QPointF(self.bb.x(), self.bb.y()), labels)

    def dumpDraw(self, pos):
        res = self.endDrawing(pos)
        self.beginDrawing(pos, self.sliceRect)
        return res

    def moveTo(self, pos):
        oldX, oldY = self.pos.x(), self.pos.y()
        x,y = pos.x(), pos.y()
        
        #print "BrushingModel.moveTo(pos=%r)" % (pos) 
        line = QGraphicsLineItem(oldX, oldY, x, y)
        line.setPen(QPen( QBrush(Qt.white), self.brushSize, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
        self.scene.addItem(line)

        #update bounding Box 
        if not self.bb.isValid():
            self.bb = QRect(QPoint(x,y), QSize(1,1))
        #grow bounding box
        self.bb.setLeft(  min(self.bb.left(),   max(0,                   x-self.brushSize/2-1) ) )
        self.bb.setRight( max(self.bb.right(),  min(self.sliceRect[0]-1, x+self.brushSize/2+1) ) )
        self.bb.setTop(   min(self.bb.top(),    max(0,                   y-self.brushSize/2-1) ) )
        self.bb.setBottom(max(self.bb.bottom(), min(self.sliceRect[1]-1, y+self.brushSize/2+1) ) )
        
        #update/move position
        self.pos = pos
Beispiel #5
0
class Level(QFrame):
    def __init__(self, parent):
        QFrame.__init__(self,parent)

        self.filename = QString()
        self.copiedItem = QByteArray()
        self.pasteOffset = 5
        self.prevPoint = QPoint()
        self.addOffset = 5
        
        self.screenSize = (320, 240)
        self.bgColor = QColor(244,244,244)
        '''0.Portrait 1.Landscape'''
        self.orientation = 0
        self.currentItem = None
        

        self.printer = QPrinter(QPrinter.HighResolution)
        self.printer.setPageSize(QPrinter.Letter)


        '''1.Header'''
        self.levelBar = LevelBar(self)
        
        '''3.Tiler'''
        self.tiler = TileMapGrid(self)#Tiler(self)
        self.tiler.setMinimumHeight(100)
        #self.tiler.currentChanged.connect(self.closeDesigner)
        #self.tiler.setTabsClosable(True)
        #self.tiler.setTabShape(0)
        #self.tiler.hide()
        #self.levelLayout.addWidget(self.levelBar) 
        
        '''2.view'''
        viewLayoutWidget = QFrame()
        viewLayoutWidget.setFrameShape(QFrame.StyledPanel)
        viewLayout = QHBoxLayout(viewLayoutWidget)
        #viewLayout.setMargin(10)
        self.view = LevelView(viewLayoutWidget)
        '''scene'''
        self.scene = QGraphicsScene(self)
        #self.scene.selectionChanged.connect(self.setConnect)
        #self.view.setStyleSheet("border: 1px solid red;")
        
        self.setBackgroundColor(self.bgColor)
        self.setScreenSize(self.screenSize)
        
        self.view.setScene(self.scene)
        self.view.setAlignment(Qt.AlignCenter)
        self.scroll_off = 1
        self.setScrollBar()
        
        viewLayout.setMargin(0)
        viewLayout.addWidget(self.view)

        self.wrapped = [] # Needed to keep wrappers alive
        layout = QVBoxLayout(self)
        layout.addWidget(self.levelBar)
        layout.addWidget(viewLayoutWidget)
        layout.addWidget(self.tiler)
        layout.setMargin(0)
        self.setLayout(layout)
        
    def setScrollBar(self):
        if(self.scroll_off):
            self.view.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
            self.view.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
            self.scroll_off = 0
        else:
            self.view.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
            self.view.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
            self.scroll_off = 1
        
    def setBackgroundColor(self,color):
        self.bgColor = color
        self.scene.setBackgroundBrush(QBrush(color))
        
    def setScreenSize(self,size):
        self.screenSize = size
        self.setOrientation(self.orientation)
        
    def setOrientation(self,idx):
        self.orientation = idx
        if(idx == 0):
            self.view.setMaximumSize(self.screenSize[1], self.screenSize[0])
            self.scene.setSceneRect(0, 0, self.screenSize[1], self.screenSize[0])
        else:
            self.view.setMaximumSize(self.screenSize[0], self.screenSize[1])
            self.scene.setSceneRect(0, 0, self.screenSize[0], self.screenSize[1])
        
    def offerSave(self):
        if (Dirty and QMessageBox.question(self,
                            "Designer - Unsaved Changes",
                            "Save unsaved changes?",
                            QMessageBox.Yes|QMessageBox.No) == 
           QMessageBox.Yes):
            self.save()


    def position(self):
        point = self.mapFromGlobal(QCursor.pos())
        if not self.view.geometry().contains(point):
            coord = random.randint(36, 144)
            point = QPoint(coord, coord)
        else:
            if point == self.prevPoint:
                point += QPoint(self.addOffset, self.addOffset)
                self.addOffset += 5
            else:
                self.addOffset = 5
                self.prevPoint = point
        return self.view.mapToScene(point)
    
    def selectedItem(self):
        items = self.scene.selectedItems()
        if len(items) == 1:
            return items[0]
        return None
    
    def current(self,item):
        self.scene.clearSelection()
        sceneItems = self.scene.items()
        for items in sceneItems:
            if(items != item):
                item.setSelected(False)
                if(item.isConnected()):
                    self.propertyBar.disconnectText(item)
                    item.setConnected(False)
        self.currentItem = item
        self.currentItem.setConnected(True)
        self.currentItem.setSelected(True)
        self.propertyBar.connectText(self.currentItem)
        self.propertyBar.initText(self.currentItem)


    def addText(self):
        item = TextItem("SomeText", self.position())
        self.connect(item, SIGNAL("current"),self.current)
        self.connect(item, SIGNAL("copy"),self.copy)
        self.connect(item, SIGNAL("cut"),self.cut)
        self.connect(item, SIGNAL("paste"),self.paste)
        self.connect(item, SIGNAL("delete"),self.delete)
        #self.current(item)
        self.scene.addItem(item)
        

    def copy(self):
        item = self.selectedItem()
        if item is None:
            return
        self.copiedItem.clear()
        self.pasteOffset = 5
        stream = QDataStream(self.copiedItem, QIODevice.WriteOnly)
        self.writeItemToStream(stream, item)


    def cut(self):
        item = self.selectedItem()
        if item is None:
            return
        self.copy()
        self.scene.removeItem(item)
        del item


    def paste(self):
        if self.copiedItem.isEmpty():
            return
        stream = QDataStream(self.copiedItem, QIODevice.ReadOnly)
        item = self.readItemFromStream(stream, self.pasteOffset)
        self.pasteOffset += 5
        #self.scene.addItem(item)
        
    def delete(self):
        items = self.scene.selectedItems()
        if (len(items) and QMessageBox.question(self,
                "Designer - Delete",
                "Delete {0} item{1}?".format(len(items),
                "s" if len(items) != 1 else ""),
                QMessageBox.Yes|QMessageBox.No) ==
                QMessageBox.Yes):
            while items:
                item = items.pop()
                self.scene.removeItem(item)
                del item
                
    def readItemFromStream(self, stream, offset=0):
        type = QString()
        position = QPointF()
        matrix = QMatrix()
        stream >> type >> position >> matrix
        if offset:
            position += QPointF(offset, offset)
        if type == "Text":
            text = QString()
            font = QFont()
            stream >> text >> font
            self.scene.addItem(TextItem(text, position, font, matrix))
        elif type == "Box":
            rect = QRectF()
            stream >> rect
            style = Qt.PenStyle(stream.readInt16())
            self.scene.addItem(BoxItem(position, style, matrix))
        elif type == "Pixmap":
            pixmap = QPixmap()
            stream >> pixmap
            self.scene.addItem(self.createPixmapItem(pixmap, position, matrix))


    def writeItemToStream(self, stream, item):
        if isinstance(item, QGraphicsTextItem):
            stream << QString("Text") << item.pos() \
                   << item.matrix() << item.toPlainText() << item.font()
        elif isinstance(item, QGraphicsPixmapItem):
            stream << QString("Pixmap") << item.pos() \
                   << item.matrix() << item.pixmap()
        elif isinstance(item, BoxItem):
            stream << QString("Box") << item.pos() \
                   << item.matrix() << item.rect
            stream.writeInt16(item.style)

    def rotate(self):
        for item in self.scene.selectedItems():
            item.rotate(30)


    def print_(self):
        dialog = QPrintDialog(self.printer)
        if dialog.exec_():
            painter = QPainter(self.printer)
            painter.setRenderHint(QPainter.Antialiasing)
            painter.setRenderHint(QPainter.TextAntialiasing)
            self.scene.clearSelection()
            #self.removeBorders()
            self.scene.render(painter)
            #self.addBorders()


    def open(self):
        self.offerSave()
        path = (QFileInfo(self.filename).path()
                if not self.filename.isEmpty() else ".")
        fname = QFileDialog.getOpenFileName(self,
                "Page Designer - Open", path,
                "Page Designer Files (*.pgd)")
        if fname.isEmpty():
            return
        self.filename = fname
        fh = None
        try:
            fh = QFile(self.filename)
            if not fh.open(QIODevice.ReadOnly):
                raise IOError, unicode(fh.errorString())
            items = self.scene.items()
            while items:
                item = items.pop()
                self.scene.removeItem(item)
                del item
            self.addBorders()
            stream = QDataStream(fh)
            stream.setVersion(QDataStream.Qt_4_2)
            magic = stream.readInt32()
            if magic != MagicNumber:
                raise IOError, "not a valid .pgd file"
            fileVersion = stream.readInt16()
            if fileVersion != FileVersion:
                raise IOError, "unrecognised .pgd file version"
            while not fh.atEnd():
                self.readItemFromStream(stream)
        except IOError, e:
            QMessageBox.warning(self, "Page Designer -- Open Error",
                    "Failed to open {0}: {1}".format(self.filename, e))
        finally:
def paintBoundaries(tgslicesFile, zSlice, d, boundaryData, mask, filename, swapCoordinates=False, colortable=None, penWidth=4.0):
    print "* making boundary img '%s'" % filename
    
    #b = BoundariesLayerPy(tgslicesFile=tgslicesFile, normalAxis=2, data2scene=QTransform(), swapCoordinates=True)
    b = BoundariesLayer(None, 2, QTransform(), True)
    
    n  = b.normalAxis()
    axis = None
    if swapCoordinates:
        if   n == 0: axis = "z"
        elif n == 1: axis = "y"
        else:        axis = "x"
    else:
        if   n == 0: axis = "x"
        elif n == 1: axis = "y"
        else:        axis = "z"
    
    f = h5py.File(tgslicesFile, 'r')
    group = "%s/%d" % (axis, zSlice)
    serializedBoundaries = f[group].value
    f.close()
    
    assert d.ndim == 2
    
    scene = QGraphicsScene()
    
    b.setSliceNumber( zSlice )
    b.setBoundaries(serializedBoundaries)
    b.setColormap("tyr")
    assert boundaryData.dtype == numpy.float32
    assert mask.dtype == numpy.float32
    b.setBoundaryData(boundaryData, boundaryData.size, boundaryData)
    b.setBoundaryMask(mask, mask.size)
    if colortable is not None:
        b.setColormap(colortable)
    print "setting pen width to be %f" % penWidth
    b.setPenWidth(float(penWidth))
    print "...done"
   
    mag = 4
    shape = d.shape
    
    dBig = vigra.sampling.resizeImageNoInterpolation(d.astype(numpy.float32), (mag*shape[0], mag*shape[1]))
    #dBig = dBig.swapaxes(0,1)
    qimg = qimage2ndarray.gray2qimage(dBig)
    #qimg = qimg.mirrored(True, False)
    imgItm = QGraphicsPixmapItem(QPixmap(qimg))
    imgItm.setScale(1.0/mag)
    scene.addItem(imgItm)
    
    sourceRect = QRectF(0,0,shape[1], shape[0])
    targetRect = QRectF(0,0,mag*shape[1], mag*shape[0])
    scene.setSceneRect(sourceRect)
    scene.addItem(b)
    
    img = QImage(targetRect.width(), targetRect.height(), QImage.Format_ARGB32);
    painter = QPainter(img);
    painter.setRenderHint(QPainter.Antialiasing);
    scene.render(painter, targetRect, sourceRect );
    img.save(filename)
    painter.end()
    #print "img has size ", img.width(), img.height()
    img = None
    painter = None
    scene = None
Beispiel #7
0
class BrushingModel(QObject):
    brushSizeChanged = pyqtSignal(int)
    brushColorChanged = pyqtSignal(QColor)
    brushStrokeAvailable = pyqtSignal(QPointF, object)
    drawnNumberChanged = pyqtSignal(int)

    minBrushSize = 1
    maxBrushSize = 61
    defaultBrushSize = 3
    defaultDrawnNumber = 1
    defaultColor = Qt.white
    erasingColor = Qt.black
    erasingNumber = 100

    def __init__(self, parent=None):
        QObject.__init__(self, parent=parent)
        self.sliceRect = None
        self.bb = QRect()  #bounding box enclosing the drawing
        self.brushSize = self.defaultBrushSize
        self.drawColor = self.defaultColor
        self._temp_color = None
        self._temp_number = None
        self.drawnNumber = self.defaultDrawnNumber

        self.pos = None
        self.erasing = False
        self._hasMoved = False

        self.drawOnto = None

        #an empty scene, where we add all drawn line segments
        #a QGraphicsLineItem, and which we can use to then
        #render to an image
        self.scene = QGraphicsScene()

    def toggleErase(self):
        self.erasing = not (self.erasing)
        if self.erasing:
            self.setErasing()
        else:
            self.disableErasing()

    def setErasing(self):
        self.erasing = True
        self._temp_color = self.drawColor
        self._temp_number = self.drawnNumber
        self.setBrushColor(self.erasingColor)
        self.brushColorChanged.emit(self.erasingColor)
        self.setDrawnNumber(self.erasingNumber)

    def disableErasing(self):
        self.erasing = False
        self.setBrushColor(self._temp_color)
        self.brushColorChanged.emit(self.drawColor)
        self.setDrawnNumber(self._temp_number)

    def setBrushSize(self, size):
        self.brushSize = size
        self.brushSizeChanged.emit(self.brushSize)

    def setDrawnNumber(self, num):
        self.drawnNumber = num
        self.drawnNumberChanged.emit(num)

    def getBrushSize(self):
        return self.brushSize

    def brushSmaller(self):
        b = self.brushSize
        if b > self.minBrushSize:
            self.setBrushSize(b - 1)

    def brushBigger(self):
        b = self.brushSize
        if self.brushSize < self.maxBrushSize:
            self.setBrushSize(b + 1)

    def setBrushColor(self, color):
        self.drawColor = color
        self.brushColorChanged.emit(self.drawColor)

    def beginDrawing(self, pos, sliceRect):
        '''

        pos -- QPointF-like
        '''
        self.sliceRect = sliceRect
        self.scene.clear()
        self.bb = QRect()
        self.pos = QPointF(pos.x(), pos.y())
        self._hasMoved = False

    def endDrawing(self, pos):
        has_moved = self._hasMoved  # _hasMoved will change after calling moveTo
        if has_moved:
            self.moveTo(pos)
        else:
            assert (self.pos == pos)
            self.moveTo(QPointF(pos.x() + 0.0001,
                                pos.y() + 0.0001))  # move a little

        # Qt seems to use strange rules for determining which pixels to set when rendering a brush stroke to a QImage.
        # We seem to get better results if we do the following:
        # 1) Slightly offset the source window because apparently there is a small shift in the data
        # 2) Render the scene to an image that is MUCH larger than the scene resolution (4x by 4x)
        # 3) Downsample each 4x4 patch from the large image back to a single pixel in the final image,
        #     applying some threshold to determine if the final pixel is on or off.

        tempi = QImage(QSize(4 * self.bb.width(), 4 * self.bb.height()),
                       QImage.Format_ARGB32_Premultiplied)  #TODO: format
        tempi.fill(0)
        painter = QPainter(tempi)
        # Offset the source window.  At first I thought the right offset was 0.5, because
        #  that would seem to make sure points are rounded to pixel CENTERS, but
        #  experimentation indicates that 0.25 is slightly better for some reason...
        source_rect = QRectF(QPointF(self.bb.x() + 0.25,
                                     self.bb.y() + 0.25),
                             QSizeF(self.bb.width(), self.bb.height()))
        target_rect = QRectF(QPointF(0, 0),
                             QSizeF(4 * self.bb.width(), 4 * self.bb.height()))
        self.scene.render(painter, target=target_rect, source=source_rect)
        painter.end()

        # Now downsample: convert each 4x4 patch into a single pixel by summing and dividing
        ndarr = qimage2ndarray.rgb_view(tempi)[:, :, 0].astype(int)
        ndarr = ndarr.reshape((ndarr.shape[0], ) + (ndarr.shape[1] // 4, ) +
                              (4, ))
        ndarr = ndarr.sum(axis=-1)
        ndarr = ndarr.transpose()
        ndarr = ndarr.reshape((ndarr.shape[0], ) + (ndarr.shape[1] // 4, ) +
                              (4, ))
        ndarr = ndarr.sum(axis=-1)
        ndarr = ndarr.transpose()
        ndarr //= 4 * 4

        downsample_threshold = (7. / 16) * 255
        labels = numpy.where(ndarr >= downsample_threshold,
                             numpy.uint8(self.drawnNumber), numpy.uint8(0))
        labels = labels.swapaxes(0, 1)
        assert labels.shape[0] == self.bb.width()
        assert labels.shape[1] == self.bb.height()

        ##
        ## ensure that at least one pixel is label when the brush size is 1
        ##
        ## this happens when the user just clicked without moving
        ## in that case the lineitem will be so tiny, that it won't be rendered
        ## into a single pixel by the code above
        if not has_moved and self.brushSize <= 1 and numpy.count_nonzero(
                labels) == 0:
            labels[labels.shape[0] // 2,
                   labels.shape[1] // 2] = self.drawnNumber

        self.brushStrokeAvailable.emit(QPointF(self.bb.x(), self.bb.y()),
                                       labels)

    def dumpDraw(self, pos):
        res = self.endDrawing(pos)
        self.beginDrawing(pos, self.sliceRect)
        return res

    def moveTo(self, pos):
        #data coordinates
        oldX, oldY = self.pos.x(), self.pos.y()
        x, y = pos.x(), pos.y()

        line = QGraphicsLineItem(oldX, oldY, x, y)
        line.setPen(
            QPen(QBrush(Qt.white), self.brushSize, Qt.SolidLine, Qt.RoundCap,
                 Qt.RoundJoin))
        self.scene.addItem(line)
        self._hasMoved = True

        #update bounding Box
        if not self.bb.isValid():
            self.bb = QRect(QPoint(oldX, oldY), QSize(1, 1))
        #grow bounding box
        self.bb.setLeft(
            min(self.bb.left(), max(0, x - self.brushSize // 2 - 1)))
        self.bb.setRight(
            max(self.bb.right(),
                min(self.sliceRect[0] - 1, x + self.brushSize // 2 + 1)))
        self.bb.setTop(min(self.bb.top(), max(0, y - self.brushSize // 2 - 1)))
        self.bb.setBottom(
            max(self.bb.bottom(),
                min(self.sliceRect[1] - 1, y + self.brushSize // 2 + 1)))

        #update/move position
        self.pos = pos
Beispiel #8
0
class BrushingModel(QObject):
    brushSizeChanged = pyqtSignal(int)
    brushColorChanged = pyqtSignal(QColor)
    brushStrokeAvailable = pyqtSignal(QPointF, object)
    drawnNumberChanged = pyqtSignal(int)

    minBrushSize = 1
    maxBrushSize = 61
    defaultBrushSize = 3
    defaultDrawnNumber = 1
    defaultColor = Qt.white
    erasingColor = Qt.black
    erasingNumber = 100

    def __init__(self, parent=None):
        QObject.__init__(self, parent=parent)
        self.sliceRect = None
        self.bb = QRect()  #bounding box enclosing the drawing
        self.brushSize = self.defaultBrushSize
        self.drawColor = self.defaultColor
        self._temp_color = None
        self._temp_number = None
        self.drawnNumber = self.defaultDrawnNumber

        self.pos = None
        self.erasing = False
        self._hasMoved = False

        self.drawOnto = None

        #an empty scene, where we add all drawn line segments
        #a QGraphicsLineItem, and which we can use to then
        #render to an image
        self.scene = QGraphicsScene()

    def toggleErase(self):
        self.erasing = not (self.erasing)
        if self.erasing:
            self.setErasing()
        else:
            self.disableErasing()

    def setErasing(self):
        self.erasing = True
        self._temp_color = self.drawColor
        self._temp_number = self.drawnNumber
        self.setBrushColor(self.erasingColor)
        self.brushColorChanged.emit(self.erasingColor)
        self.setDrawnNumber(self.erasingNumber)

    def disableErasing(self):
        self.erasing = False
        self.setBrushColor(self._temp_color)
        self.brushColorChanged.emit(self.drawColor)
        self.setDrawnNumber(self._temp_number)

    def setBrushSize(self, size):
        self.brushSize = size
        self.brushSizeChanged.emit(self.brushSize)

    def setDrawnNumber(self, num):
        self.drawnNumber = num
        self.drawnNumberChanged.emit(num)

    def getBrushSize(self):
        return self.brushSize

    def brushSmaller(self):
        b = self.brushSize
        if b > self.minBrushSize:
            self.setBrushSize(b - 1)

    def brushBigger(self):
        b = self.brushSize
        if self.brushSize < self.maxBrushSize:
            self.setBrushSize(b + 1)

    def setBrushColor(self, color):
        self.drawColor = color
        self.brushColorChanged.emit(self.drawColor)

    def beginDrawing(self, pos, sliceRect):
        '''

        pos -- QPointF-like
        '''
        self.sliceRect = sliceRect
        self.scene.clear()
        self.bb = QRect()
        self.pos = QPointF(pos.x(), pos.y())
        self._hasMoved = False

    def endDrawing(self, pos):
        has_moved = self._hasMoved  # _hasMoved will change after calling moveTo
        if has_moved:
            self.moveTo(pos)
        else:
            assert (self.pos == pos)
            self.moveTo(QPointF(pos.x() + 0.0001,
                                pos.y() + 0.0001))  # move a little

        tempi = QImage(QSize(self.bb.width(), self.bb.height()),
                       QImage.Format_ARGB32_Premultiplied)  #TODO: format
        tempi.fill(0)
        painter = QPainter(tempi)
        self.scene.render(painter,
                          target=QRectF(),
                          source=QRectF(
                              QPointF(self.bb.x(), self.bb.y()),
                              QSizeF(self.bb.width(), self.bb.height())))
        painter.end()

        ndarr = qimage2ndarray.rgb_view(tempi)[:, :, 0]
        labels = numpy.where(ndarr > 0, numpy.uint8(self.drawnNumber),
                             numpy.uint8(0))
        labels = labels.swapaxes(0, 1)
        assert labels.shape[0] == self.bb.width()
        assert labels.shape[1] == self.bb.height()

        ##
        ## ensure that at least one pixel is label when the brush size is 1
        ##
        ## this happens when the user just clicked without moving
        ## in that case the lineitem will be so tiny, that it won't be rendered
        ## into a single pixel by the code above
        if not has_moved and self.brushSize <= 1 and numpy.count_nonzero(
                labels) == 0:
            labels[labels.shape[0] // 2,
                   labels.shape[1] // 2] = self.drawnNumber

        self.brushStrokeAvailable.emit(QPointF(self.bb.x(), self.bb.y()),
                                       labels)

    def dumpDraw(self, pos):
        res = self.endDrawing(pos)
        self.beginDrawing(pos, self.sliceRect)
        return res

    def moveTo(self, pos):
        #data coordinates
        oldX, oldY = self.pos.x(), self.pos.y()
        x, y = pos.x(), pos.y()

        line = QGraphicsLineItem(oldX, oldY, x, y)
        line.setPen(
            QPen(QBrush(Qt.white), self.brushSize, Qt.SolidLine, Qt.RoundCap,
                 Qt.RoundJoin))
        self.scene.addItem(line)
        self._hasMoved = True

        #update bounding Box
        if not self.bb.isValid():
            self.bb = QRect(QPoint(oldX, oldY), QSize(1, 1))
        #grow bounding box
        self.bb.setLeft(min(self.bb.left(), max(0,
                                                x - self.brushSize / 2 - 1)))
        self.bb.setRight(
            max(self.bb.right(),
                min(self.sliceRect[0] - 1, x + self.brushSize / 2 + 1)))
        self.bb.setTop(min(self.bb.top(), max(0, y - self.brushSize / 2 - 1)))
        self.bb.setBottom(
            max(self.bb.bottom(),
                min(self.sliceRect[1] - 1, y + self.brushSize / 2 + 1)))

        #update/move position
        self.pos = pos
Beispiel #9
0
        # ready
        for drawable in diagram.elements():
            scene.addItem(drawable)
            drawable.resize_scene_rect()
            
        adj_scene_rect = scene.sceneRect().adjusted(-margin, -margin, margin, margin)
        scene.setSceneRect(adj_scene_rect)
        
        diagramsize = adj_scene_rect.toRect().size()

        img = QImage(QSize(diagramsize.width() * scale, diagramsize.height() * scale), QImage.Format_ARGB32)
        painter = QPainter(img)
        print margin
        absoluteRect = QRectF(0, 0, scene.sceneRect().width() * scale, scene.sceneRect().height() * scale)
        painter.fillRect(absoluteRect, QBrush(QColor(255, 255, 255), Qt.SolidPattern))
        painter.resetMatrix()
        scene.render(painter)
        painter.end()
        ret = img.save(output)
        print("Saved to " + output)

    for e in logger.events:
        print str(e)
    if not logger.has("ERROR CRITICAL"):
        return 0
    else:
        return 1

if __name__ == "__main__":
    exit(main(sys.argv))
Beispiel #10
0
class BrushingModel(QObject):
    brushSizeChanged     = pyqtSignal(int)
    brushColorChanged    = pyqtSignal(QColor)
    brushStrokeAvailable = pyqtSignal(QPointF, object)
    drawnNumberChanged   = pyqtSignal(int)

    minBrushSize       = 1
    maxBrushSize       = 61
    defaultBrushSize   = 3
    defaultDrawnNumber = 1
    defaultColor       = Qt.white
    erasingColor       = Qt.black
    erasingNumber      = 100

    def __init__(self, parent=None):
        QObject.__init__(self, parent=parent)
        self.sliceRect = None
        self.bb    = QRect() #bounding box enclosing the drawing
        self.brushSize = self.defaultBrushSize
        self.drawColor = self.defaultColor
        self._temp_color = None
        self._temp_number = None
        self.drawnNumber = self.defaultDrawnNumber

        self.pos = None
        self.erasing = False
        self._hasMoved = False

        self.drawOnto = None

        #an empty scene, where we add all drawn line segments
        #a QGraphicsLineItem, and which we can use to then
        #render to an image
        self.scene = QGraphicsScene()

    def toggleErase(self):
        self.erasing = not(self.erasing)
        if self.erasing:
            self.setErasing()
        else:
            self.disableErasing()

    def setErasing(self):
        self.erasing = True
        self._temp_color = self.drawColor
        self._temp_number = self.drawnNumber
        self.setBrushColor(self.erasingColor)
        self.brushColorChanged.emit(self.erasingColor)
        self.setDrawnNumber(self.erasingNumber)

    def disableErasing(self):
        self.erasing = False
        self.setBrushColor(self._temp_color)
        self.brushColorChanged.emit(self.drawColor)
        self.setDrawnNumber(self._temp_number)

    def setBrushSize(self, size):
        self.brushSize = size
        self.brushSizeChanged.emit(self.brushSize)

    def setDrawnNumber(self, num):
        self.drawnNumber = num
        self.drawnNumberChanged.emit(num)

    def getBrushSize(self):
        return self.brushSize

    def brushSmaller(self):
        b = self.brushSize
        if b > self.minBrushSize:
            self.setBrushSize(b-1)

    def brushBigger(self):
        b = self.brushSize
        if self.brushSize < self.maxBrushSize:
            self.setBrushSize(b+1)

    def setBrushColor(self, color):
        self.drawColor = color
        self.brushColorChanged.emit(self.drawColor)

    def beginDrawing(self, pos, sliceRect):
        '''

        pos -- QPointF-like
        '''
        self.sliceRect = sliceRect
        self.scene.clear()
        self.bb = QRect()
        self.pos = QPointF(pos.x(), pos.y())
        self._hasMoved = False

    def endDrawing(self, pos):
        has_moved = self._hasMoved # _hasMoved will change after calling moveTo
        if has_moved:
            self.moveTo(pos)
        else:
            assert(self.pos == pos)
            self.moveTo(QPointF(pos.x()+0.0001, pos.y()+0.0001)) # move a little

        # Qt seems to use strange rules for determining which pixels to set when rendering a brush stroke to a QImage.
        # We seem to get better results if we do the following:
        # 1) Slightly offset the source window because apparently there is a small shift in the data
        # 2) Render the scene to an image that is MUCH larger than the scene resolution (4x by 4x)
        # 3) Downsample each 4x4 patch from the large image back to a single pixel in the final image,
        #     applying some threshold to determine if the final pixel is on or off. 

        tempi = QImage(QSize(4*self.bb.width(), 4*self.bb.height()), QImage.Format_ARGB32_Premultiplied) #TODO: format
        tempi.fill(0)
        painter = QPainter(tempi)
        # Offset the source window.  At first I thought the right offset was 0.5, because 
        #  that would seem to make sure points are rounded to pixel CENTERS, but 
        #  experimentation indicates that 0.25 is slightly better for some reason...
        source_rect = QRectF( QPointF(self.bb.x()+0.25, self.bb.y()+0.25), 
                              QSizeF(self.bb.width(), self.bb.height()) )
        target_rect = QRectF( QPointF(0,0),
                             QSizeF(4*self.bb.width(), 4*self.bb.height()) )
        self.scene.render(painter, target=target_rect, source=source_rect)
        painter.end()

        # Now downsample: convert each 4x4 patch into a single pixel by summing and dividing
        ndarr = qimage2ndarray.rgb_view(tempi)[:,:,0].astype(int)
        ndarr = ndarr.reshape( (ndarr.shape[0],) + (ndarr.shape[1]//4,) + (4,) )
        ndarr = ndarr.sum(axis=-1)
        ndarr = ndarr.transpose()
        ndarr = ndarr.reshape( (ndarr.shape[0],) + (ndarr.shape[1]//4,) + (4,) )
        ndarr = ndarr.sum(axis=-1)
        ndarr = ndarr.transpose()
        ndarr //= 4*4

        downsample_threshold = (7./16)*255
        labels = numpy.where(ndarr>=downsample_threshold, numpy.uint8(self.drawnNumber), numpy.uint8(0))
        labels = labels.swapaxes(0,1)
        assert labels.shape[0] == self.bb.width()
        assert labels.shape[1] == self.bb.height()

        ##
        ## ensure that at least one pixel is label when the brush size is 1
        ##
        ## this happens when the user just clicked without moving
        ## in that case the lineitem will be so tiny, that it won't be rendered
        ## into a single pixel by the code above
        if not has_moved and self.brushSize <= 1 and numpy.count_nonzero(labels) == 0:
            labels[labels.shape[0]//2, labels.shape[1]//2] = self.drawnNumber

        self.brushStrokeAvailable.emit(QPointF(self.bb.x(), self.bb.y()), labels)

    def dumpDraw(self, pos):
        res = self.endDrawing(pos)
        self.beginDrawing(pos, self.sliceRect)
        return res

    def moveTo(self, pos):
        #data coordinates
        oldX, oldY = self.pos.x(), self.pos.y()
        x,y = pos.x(), pos.y()

        line = QGraphicsLineItem(oldX, oldY, x, y)
        line.setPen(QPen( QBrush(Qt.white), self.brushSize, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
        self.scene.addItem(line)
        self._hasMoved = True

        #update bounding Box
        if not self.bb.isValid():
            self.bb = QRect(QPoint(oldX,oldY), QSize(1,1))
        #grow bounding box
        self.bb.setLeft(  min(self.bb.left(),   max(0,                   x-self.brushSize//2-1) ) )
        self.bb.setRight( max(self.bb.right(),  min(self.sliceRect[0]-1, x+self.brushSize//2+1) ) )
        self.bb.setTop(   min(self.bb.top(),    max(0,                   y-self.brushSize//2-1) ) )
        self.bb.setBottom(max(self.bb.bottom(), min(self.sliceRect[1]-1, y+self.brushSize//2+1) ) )

        #update/move position
        self.pos = pos
Beispiel #11
0
class DrawManager(QObject):
    """
    DEPRECATED.
    Will be replaced with BrushingModel, BrushingControler, BrushStroke.
    """
     
    brushSizeChanged  = pyqtSignal(int)
    brushColorChanged = pyqtSignal(QColor)
    
    minBrushSize       = 1
    maxBrushSize       = 61
    defaultBrushSize   = 3
    defaultDrawnNumber = 1
    defaultColor       = Qt.white
    erasingColor       = Qt.black
    
    def __init__(self):
        QObject.__init__(self)
        self.shape = None
        self.bb    = QRect() #bounding box enclosing the drawing
        self.brushSize = self.defaultBrushSize
        self.drawColor = self.defaultColor
        self.drawnNumber = self.defaultDrawnNumber

        self.penVis  = QPen(self.drawColor, self.brushSize, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin)
        self.penDraw = QPen(self.drawColor, self.brushSize, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin)
        self.pos = None
        self.erasing = False
        
        #on which layer do we want to draw when self.drawingEnabled?
        self.drawOnto = None
        
        #an empty scene, where we add all drawn line segments
        #a QGraphicsLineItem, and which we can use to then
        #render to an image
        self.scene = QGraphicsScene()

    def growBoundingBox(self):
        self.bb.setLeft(  max(0, self.bb.left()-self.brushSize-1))
        self.bb.setTop(   max(0, self.bb.top()-self.brushSize-1 ))
        self.bb.setRight( min(self.shape[0], self.bb.right()+self.brushSize+1))
        self.bb.setBottom(min(self.shape[1], self.bb.bottom()+self.brushSize+1))

    def toggleErase(self):
        self.erasing = not(self.erasing)

    def setErasing(self):
        self.erasing = True
        self.brushColorChanged.emit(self.erasingColor)
    
    def disableErasing(self):
        self.erasing = False
        self.brushColorChanged.emit(self.drawColor)

    def setBrushSize(self, size):
        self.brushSize = size
        self.penVis.setWidth(size)
        self.penDraw.setWidth(size)
        self.brushSizeChanged.emit(self.brushSize)
    
    def setDrawnNumber(self, num):
        self.drawnNumber = num
        self.drawnNumberChanged.emit(num)
        
    def getBrushSize(self):
        return self.brushSize
    
    def brushSmaller(self):
        b = self.brushSize
        if b > self.minBrushSize:
            self.setBrushSize(b-1)
        
    def brushBigger(self):
        b = self.brushSize
        if self.brushSize < self.maxBrushSize:
            self.setBrushSize(b+1)
        
    def setBrushColor(self, color):
        self.drawColor = color
        self.penVis.setColor(color)
        self.emit.brushColorChanged(self.drawColor)
        
    def beginDrawing(self, pos, shape):
        self.shape = shape
        self.bb = QRectF(0, 0, self.shape[0], self.shape[1])
        self.scene.clear()
        if self.erasing:
            self.penVis.setColor(self.erasingColor)
        else:
            self.penVis.setColor(self.drawColor)
        self.pos = QPointF(pos.x()+0.0001, pos.y()+0.0001)
        line = self.moveTo(pos)
        return line

    def endDrawing(self, pos):
        self.moveTo(pos)
        self.growBoundingBox()

        tempi = QImage(QSize(self.bb.width(), self.bb.height()), QImage.Format_ARGB32_Premultiplied) #TODO: format
        tempi.fill(0)
        painter = QPainter(tempi)
        
        self.scene.render(painter, QRectF(QPointF(0,0), self.bb.size()), self.bb)
        
        return (self.bb.left(), self.bb.top(), tempi) #TODO: hackish, probably return a class ??

    def dumpDraw(self, pos):
        res = self.endDrawing(pos)
        self.beginDrawing(pos, self.shape)
        return res

    def moveTo(self, pos):    
        lineVis = QGraphicsLineItem(self.pos.x(), self.pos.y(), pos.x(), pos.y())
        lineVis.setPen(self.penVis)
        
        line = QGraphicsLineItem(self.pos.x(), self.pos.y(), pos.x(), pos.y())
        line.setPen(self.penDraw)
        self.scene.addItem(line)

        self.pos = pos
        x = pos.x()
        y = pos.y()
        #update bounding Box :
        if x > self.bb.right():
            self.bb.setRight(x)
        if x < self.bb.left():
            self.bb.setLeft(x)
        if y > self.bb.bottom():
            self.bb.setBottom(y)
        if y < self.bb.top():
            self.bb.setTop(y)
        return lineVis
Beispiel #12
0
class Printer(object):
	"""For printing in diferent card formats and sizes the associated deck, be it to the screen or pdfs or image files"""

	card_sizes = {"Jumbo":(3.5,5.5), "Tarot":(2.75,4.75), "Square":(3.5,3.5), "Poker":(2.5,3.5),
			 	  "Bridge":(2.25,3.5), "Biz":(2,3.5), "Mini":(1.75,2.5), "Micro":(1.25,1.75)}
	paper_sizes = {"A0":(33.1,46.8), "A1":(23.4,33.1), "A2":(16.5,23.4), "A3":(11.7,16.5),
				   "A4":(8.3,11.7), "A5":(5.8,8.3), "A6":(4.1,5.8)}
	#TODO paper margins when printing and centering the images

	def __init__(self, deck=None):
		self.deck = deck
		self.scene = QGraphicsScene()
		self.orientation = getattr(QPrinter, "Portrait")
		self.path = "output.pdf"
		self.paper = getattr(QPrinter, "A4")
		self.card_size = Printer.card_sizes["Poker"]

	def config(self, *args, **kwargs):
		"""kwargs: deck, card_size, paper_size, orientation, print_path
		if card_size is present I have to join the elements of the deck following the premises"""
		if "orientation" in kwargs:
			self.orientation = kwargs["orientation"]
		if "card_size" in kwargs:
			self.card_size = Printer.card_sizes[kwargs["card_size"][:kwargs["card_size"].find(" ")]]
		if "print_path" in kwargs:
			self.path = kwargs["print_path"]
		if "paper_size" in kwargs:
			self.paper = kwargs["paper_size"]
		if "deck" in kwargs:
			self.deck = kwargs["deck"]

	def print_grid(self):
		if self.deck is not None:
			#Setting the printer
			printer = QPrinter(QPrinter.HighResolution)
			printer.setOutputFormat(QPrinter.PdfFormat)
			printer.setOrientation(getattr(QPrinter, self.orientation))
			printer.setOutputFileName(self.path)
			printer.setPaperSize(getattr(QPrinter, self.paper))
			#Start printing
			with QPainter(printer) as paint:
				first = True
				for c in self.deck:
					if not first:
						printer.newPage()
					first = False
					self.preview_card(c)
					self.scene.render(paint)

	def max_cards(self):
		"""Taking in count the card_size, paper_size returns the max number of cards per page, horientation and margins"""
		port = {}
		port["orientation"] = "Portrait"
		pw = self.paper_sizes[self.paper][0]
		ph = self.paper_sizes[self.paper][1]
		port["horizontal"] = int(pw//self.card_size[0])
		port["vertical"] = int(ph//self.card_size[1])
		port["max"] = port["horizontal"] * port["vertical"]
		port["margin_horizontal"] = (pw % self.card_size[0]) / 2.0
		port["margin_vertical"] = (ph % self.card_size[1]) / 2.0
		land = {}
		land["orientation"] = "Landscape"
		pw = self.paper_sizes[self.paper][1]
		ph = self.paper_sizes[self.paper][0]
		land["horizontal"] = int(pw//self.card_size[0])
		land["vertical"] = int(ph//self.card_size[1])
		land["max"] = land["horizontal"] * land["vertical"]
		land["margin_horizontal"] = (pw % self.card_size[0]) / 2.0
		land["margin_vertical"] = (ph % self.card_size[1]) / 2.0
		if land["max"] > port["max"]:
			return land
		else:
			return port

	def print_pdf(self):
		if self.deck is not None:
			#Setting the printer
			printer = QPrinter(QPrinter.HighResolution)
			printer.setOutputFormat(QPrinter.PdfFormat)
			printer.setOrientation(getattr(QPrinter, "Portrait"))
			printer.setOutputFileName(self.path)
			printer.setPaperSize(getattr(QPrinter, self.paper))
			printer.setFullPage(True)
			guide = self.max_cards()
			printer.setOrientation(getattr(QPrinter, guide["orientation"]))
			print guide, self.card_size
			#Start printing
			with QPainter(printer) as paint:
				ind = 0
				resol = printer.resolution()
				for c in self.deck:
						c.resize(self.card_size[0], self.card_size[1])
						if ind == guide["max"]:
							printer.newPage()
							ind = 0

						col = ind % guide["horizontal"]
						fil = ind // guide["horizontal"]
						print ind, fil, col
						target = QRectF((col)*self.card_size[0]*resol, (fil)*self.card_size[1]*resol,
									self.card_size[0]*resol, self.card_size[1]*resol)

						self.preview_card(c)
						self.scene.render(paint, target=target, source=QRectF(0,0,c.width(),c.height()))
						ind += 1

	def save_images(self):
		if self.deck is not None:
			num = 1
			for c in self.deck:
				c.save_as("".join([str(self.path),str(num),".",c.format()]))
				num += 1

	def preview_card(self, card):
		try:
			self.scene.clear()
			ret = self.scene.addPixmap(card.pixmap())
		except:
			self.scene.clear()
			ret = self.scene.addText("Image not available")
		return ret