Python Label.boxAnchor方法代码示例

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import boxAnchor [as 别名]
def addChromosomes(drawing, chrNames, chrSizes, xmap, ymap, w=0.1*DPI, fillColor=colors.skyblue, strokeColor=colors.skyblue):
    for i,chrom in enumerate(chrNames):
        x = xmap(i+1)
        y = ymap(chrSizes[chrom])
        h = ymap(1)-ymap(chrSizes[chrom])
        
        chromosome = Rect(x,y,w,h, strokeColor=strokeColor, fillColor=fillColor)
        drawing.add(chromosome)
        
        topCap = Wedge(x+0.5*w, y+h, 0.5*w, 0, 180, strokeColor=strokeColor, fillColor=fillColor)
        bottomCap = Wedge(x+0.5*w, y, 0.5*w, 180, 0, strokeColor=strokeColor, fillColor=fillColor)
        drawing.add(topCap)
        drawing.add(bottomCap)
        
        label = Label()
        label.setOrigin(xmap(i+1)+w/2, ymap(0))
        label.boxAnchor = 's'
        label.textAnchor = 'middle'
        label.dx = 0
        label.dy = DPI/10
        label.setText(chrom)
        label.fontSize = 36
        label.fontName = 'Helvetica'
        drawing.add(label)
        
        chrLength = Label()
        chrLength.setOrigin(xmap(i+1)+w/2, ymap(chrSizes[chrom]))
        chrLength.boxAnchor = 'n'
        chrLength.textAnchor = 'middle'
        chrLength.dx = 0
        chrLength.dy = -DPI/10
        chrLength.setText('%iMb' % int(chrSizes[chrom]/1e6))
        chrLength.fontSize = 24
        chrLength.fontName = 'Helvetica'
        drawing.add(chrLength)

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import boxAnchor [as 别名]
    def _drawLabels(self, Title, xAxis, yAxis):
        self.graphCenterX = self.width/2
        self.graphCenterY = self.height/2
        Label_Xaxis = Label()
        Label_Xaxis.fontSize = 7
        Label_Xaxis.angle = 0
        Label_Xaxis.dx = self.graphCenterX - 50
        Label_Xaxis.dy = 0
        Label_Xaxis.boxAnchor = 's'
        Label_Xaxis.setText(xAxis)
        self.drawing.add(Label_Xaxis)

        Label_Yaxis = Label()
        Label_Yaxis.fontSize = 7
        Label_Yaxis.angle = 90
        Label_Yaxis.boxAnchor = 'n'
        Label_Yaxis.dx = -5
        Label_Yaxis.dy = self.graphCenterY
        Label_Yaxis.setText(yAxis)
        self.drawing.add(Label_Yaxis)

        Label_Graph = Label()
        Label_Graph.fontSize = 10
        Label_Graph.angle = 0
        Label_Graph.boxAnchor = 'n'
        Label_Graph.dx = self.graphCenterX - 50
        Label_Graph.dy = self.height
        Label_Graph.setText(Title)
        self.drawing.add(Label_Graph)

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import boxAnchor [as 别名]
    def getTalkRect(self, startTime, duration, trackId, text):
        "Return shapes for a specific talk"
        g = Group()
        y_bottom = self.scaleTime(startTime + duration)
        y_top = self.scaleTime(startTime)
        y_height = y_top - y_bottom

        if trackId is None:
            #spans all columns
            x = self._colLeftEdges[1]
            width = self.width - self._colWidths[0]
        else:
            #trackId is 1-based and these arrays have the margin info in column
            #zero, so no need to add 1
            x = self._colLeftEdges[trackId]
            width = self._colWidths[trackId]

        lab = Label()
        lab.setText(text)
        lab.setOrigin(x + 0.5*width, y_bottom+0.5*y_height)
        lab.boxAnchor = 'c'
        lab.width = width
        lab.height = y_height
        lab.fontSize = 6

        r = Rect(x, y_bottom, width, y_height, fillColor=colors.cyan)
        g.add(r)
        g.add(lab)

        #now for a label
        # would expect to color-code and add text
        return g

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import boxAnchor [as 别名]
def addScale(drawing, xmap, y, start, end, tickLen=10, dx=3, dy=6,
  textAnchor='middle', boxAnchor='s', fontSize=12,
  strokeWidth=1, strokeColor=colors.black, scale=1.0, format='%ibp'):
    x1 = xmap(start)
    x2 = xmap(end)
    line = Line(x1+dx,y,x2-dx,y,
        strokeWidth=strokeWidth, strokeColor=strokeColor)
    drawing.add(line)
    
    leftTick = Line(x1+dx,y-0.5*tickLen,x1+dx,y+0.5*tickLen,
        strokeWidth=strokeWidth, strokeColor=strokeColor)
    drawing.add(leftTick)
    
    rightTick = Line(x2-dx,y-0.5*tickLen,x2-dx,y+0.5*tickLen,
        strokeWidth=strokeWidth, strokeColor=strokeColor)
    drawing.add(rightTick)
    
    label = Label()
    label.setOrigin(0.5*(x1+x2), y+dy)
    
    distance = float(end-start)/scale
    label.setText(format % (distance/scale))
    label.fontSize = fontSize
    label.textAnchor = textAnchor
    label.boxAnchor = boxAnchor
    drawing.add(label)

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import boxAnchor [as 别名]
 def draw(self):
     # general widget bits
     w = float(self.length)
     h = float(self.height)
     g = shapes.Group()
     
     body = shapes.Polygon(
         [self.x-0.5*w, self.y-0.5*w,
          self.x-0.5*w, self.y+0.5*w,
          self.x+0.5*w, self.y],
         fillColor=self.fillColor,
         strokeColor=self.strokeColor,
         strokeWidth=self.strokeWidth)
     g.add(body)
     
     if self.label:
         b = g.getBounds()
         s = Label()
         s.setText(self.label)
         s.setOrigin(self.x+0.5*w, self.y-h/2+b[3]-b[1]+4)
         s.boxAnchor = self.boxAnchor
         s.textAnchor = self.textAnchor
         s.fontName = 'Helvetica'
         s.fontSize = self.fontSize
         s.angle = self.labelAngle
         g.add(s)
     
     return g

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import boxAnchor [as 别名]
def addLabel(drawing, x, y, text, fontName='Helvetica', fontSize=11, dy=0,
             angle=0, boxAnchor='sw', textAnchor='start'):
    """Add a label to the drawing. 
    This interface here is inconsistent in that it requires pixel coords. FIX
    This just sets convenient defaults for Label."""
    label = Label()
    label.setText(text)
    label.setOrigin(x, y)
    label.fontName = fontName
    label.fontSize = fontSize
    label.boxAnchor = boxAnchor
    label.textAnchor = textAnchor
    label.dy = dy
    label.angle = angle
    drawing.add(label)

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import boxAnchor [as 别名]
def addPointyCompoundFeature(drawing, xmap, y, gene, 
  strokeColor=None, fillColor=colors.blue, intronColor=colors.blue,
  glyph=PointyBlock, height=12, utrHeight=6, rise=8, 
  labeldy=10, fontSize=10, textAnchor='middle', boxAnchor='s'):
    """Adds a pointy compound feature to the drawing. This is typically
    several exons joined by zig-zag lines with an arrow showing strand."""
    if gene.strand=='+':
        x1,x2 = xmap(gene.start), xmap(gene.end)
    else:
        x2,x1 = xmap(gene.start), xmap(gene.end)
    y = y+height/2
    y1 = y
    line = Line(x1,y1,x2,y1,strokeColor=intronColor)
    drawing.add(line)
    
    for exon in gene:
        if exon.strand=='+':
            x1,x2 = xmap(exon.start), xmap(exon.end)
        else:
            x2,x1 = xmap(exon.start), xmap(exon.end)
        
        g = glyph()
        g.x = x1
        g.y = y
        if exon.kind.lower()=='utr':
            g.height = utrHeight
        else:
            g.height = height
        g.length = x2-x1
        g.fillColor = fillColor
        if strokeColor:
            g.strokeColor = strokeColor
        else:
            g.strokeColor = fillColor
        g.fontSize = fontSize
        drawing.add(g)
    
    label = Label()
    label.setText(gene.name)
    x = 0.5*(gene.start+gene.end)
    label.setOrigin(x,y)
    label.dy = labeldy
    label.textAnchor = textAnchor
    label.boxAnchor = boxAnchor
    drawing.add(label)

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import boxAnchor [as 别名]
def addAxis(drawing, xmap, y, strokeWidth=1, minorStrokeWidth=0.5, 
  tickDir='down', autoTicks=False, nTicks=20, tickLen=5, fontSize=10, nMinorTicks=80, 
  minorTickLen=2, angle=0, dx=0, dy=-2, textAnchor='middle', boxAnchor=None, 
  scale=1.0, format='%i'):
    """Add a horizontal axis to the drawing.
    
    To do: Round tick positions
    """
    line = Line(xmap.x0, y, xmap.x1, y, strokeWidth=strokeWidth)
    drawing.add(line)
    
    if not boxAnchor:
        if tickDir=='down':
            boxAnchor = 'n'
        else:
            boxAnchor = 's'
    signum = {'up': -1, 'down': 1}[tickDir]
    
    if nTicks>0:
        ticks = tick_generator(xmap.start, xmap.end, n=nTicks, convert=int)
    
    for p in ticks:
        x = xmap(p)
        line = Line(x, y, x, y-signum*tickLen, strokeWidth=strokeWidth)
        drawing.add(line)
        s = Label()
        s.setOrigin(x, y-signum*tickLen)
        s.setText(format % (p/scale))
        s.dx = dx
        s.dy = signum*dy
        s.fontName = 'Helvetica'
        s.fontSize = fontSize
        s.textAnchor = textAnchor
        s.boxAnchor = boxAnchor
        s.angle = angle
        drawing.add(s)
    
    minorticks = tick_generator(xmap.start, xmap.end, n=nMinorTicks, convert=int)
    for p in minorticks:
        x = xmap(p)
        line = Line(x, y, x, y-signum*minorTickLen, strokeWidth=minorStrokeWidth)
        drawing.add(line)

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import boxAnchor [as 别名]
def addAxis(drawing, xmap, y, fontSize=8, tickLen=4, minorTickLen=2, 
 nTicks=20, strokeWidth=1, minorStrokeWidth=0.5):
    line = Line(xmap.x0, y, xmap.x1, y, strokeWidth=strokeWidth)
    drawing.add(line)

    ticks = tick_generator(xmap.start, xmap.end, n=nTicks, convert=int)
    for p in ticks:
        x = xmap(p)
        line = Line(x, y, x, y-tickLen, strokeWidth=strokeWidth)
        drawing.add(line)
        s = Label()
        s.setOrigin(x, y-tickLen)
        s.setText(str(p))
        s.fontName = 'Helvetica'
        s.fontSize = fontSize
        s.textAnchor = 'middle'
        s.boxAnchor = 'n'
        drawing.add(s)

    minorticks = tick_generator(xmap.start, xmap.end, n=50, convert=int)
    for p in minorticks:
        x = xmap(p)
        line = Line(x, y, x, y-minorTickLen, strokeWidth=minorStrokeWidth)
        drawing.add(line)

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import boxAnchor [as 别名]
    def draw(self):
        g = Group()

        #box
        g.add(Rect(self.x,self.y,len(self.xlabels)*self.gridDivWidth,len(self.ylabels)*self.gridDivWidth,
                   strokeColor=self.gridColor,
                   strokeWidth=self.strokeWidth,
                   fillColor=None))

        #internal gridding
        for f in range (1,len(self.ylabels)):
            #horizontal
            g.add(Line(strokeColor=self.gridColor,
                       strokeWidth=self.strokeWidth,
                       x1 = self.x,
                       y1 = self.y+f*self.gridDivWidth,
                       x2 = self.x+len(self.xlabels)*self.gridDivWidth,
                       y2 = self.y+f*self.gridDivWidth))
        for f in range (1,len(self.xlabels)):
            #vertical
            g.add(Line(strokeColor=self.gridColor,
                       strokeWidth=self.strokeWidth,
                       x1 = self.x+f*self.gridDivWidth,
                       y1 = self.y,
                       x2 = self.x+f*self.gridDivWidth,
                       y2 = self.y+len(self.ylabels)*self.gridDivWidth))

        # draw the 'dot'
        g.add(Circle(strokeColor=self.gridColor,
                     strokeWidth=self.strokeWidth,
                     fillColor=self.dotColor,
                     cx = self.x+(self.dotXPosition*self.gridDivWidth),
                     cy = self.y+(self.dotYPosition*self.gridDivWidth),
                     r = self.dotDiameter/2.0))

        #used for centering y-labels (below)
        ascent=getFont(self.labelFontName).face.ascent
        if ascent==0:
            ascent=0.718 # default (from helvetica)
        ascent=ascent*self.labelFontSize # normalize

        #do y-labels
        if self.ylabels != None:
            for f in range (len(self.ylabels)-1,-1,-1):
                if self.ylabels[f]!= None:
                    g.add(String(strokeColor=self.gridColor,
                             text = self.ylabels[f],
                             fontName = self.labelFontName,
                             fontSize = self.labelFontSize,
                             fillColor=_PCMYK_black,
                             x = self.x-self.labelOffset,
                             y = self.y+(f*self.gridDivWidth+(self.gridDivWidth-ascent)/2.0),
                             textAnchor = 'end'))

        #do x-labels
        if self.xlabels != None:
            for f in range (0,len(self.xlabels)):
                if self.xlabels[f]!= None:
                    l=Label()
                    l.x=self.x+(f*self.gridDivWidth)+(self.gridDivWidth+ascent)/2.0
                    l.y=self.y+(len(self.ylabels)*self.gridDivWidth)+self.labelOffset
                    l.angle=90
                    l.textAnchor='start'
                    l.fontName = self.labelFontName
                    l.fontSize = self.labelFontSize
                    l.fillColor = _PCMYK_black
                    l.setText(self.xlabels[f])
                    l.boxAnchor = 'sw'
                    l.draw()
                    g.add(l)

        return g

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import boxAnchor [as 别名]
d.add(lab)
""")


from reportlab.graphics import shapes
from reportlab.graphics.charts.textlabels import Label

d = Drawing(200, 100)

# mark the origin of the label
d.add(Circle(100,90, 5, fillColor=colors.green))

lab = Label()
lab.setOrigin(100,90)
lab.boxAnchor = 'ne'
lab.angle = 45
lab.dx = 0
lab.dy = -20
lab.boxStrokeColor = colors.green
lab.setText('Some\nMulti-Line\nLabel')

d.add(lab)

draw(d, 'Label example')



disc("""
In the drawing above, the label is defined relative to the green blob.
The text box should have its north-east corner ten points down from

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import boxAnchor [as 别名]
        def _rawDraw(self, x, y):
            from reportlab.lib import colors 
            from reportlab.graphics.shapes import Drawing, Line, String, STATE_DEFAULTS
            from reportlab.graphics.charts.axes import XCategoryAxis,YValueAxis
            from reportlab.graphics.charts.textlabels import Label
            from reportlab.graphics.charts.barcharts  import VerticalBarChart
            
            self.originX = x
            self.originY = y
            self._setScale([self.dataBar])
            (x1, y1, Width, Height) = self._getGraphRegion(x, y)

            #Build the graph
            self.drawing = Drawing(self.width, self.height)

            #Size of the Axis
            SizeXaxis = 14
            countSteps = int(self.valueMax / self.valueStep)
            SizeYaxis = 0.0
            for n in range(countSteps + 1):
                eachValue = self.valueMin + n * self.valueStep
                textString = self._customSecondsLabelFormat( eachValue )
                SizeYaxis = max(SizeYaxis, self._stringWidth(textString, STATE_DEFAULTS['fontName'], STATE_DEFAULTS['fontSize']) )

            bc = VerticalBarChart()
            SizeYaxis += bc.valueAxis.tickLeft
            bc.x = x1 - x + SizeYaxis
            bc.y = y1 - y + SizeXaxis
            bc.height = Height - SizeXaxis
            bc.width  = Width  - SizeYaxis
            self.graphCenterX = bc.x + bc.width/2
            self.graphCenterY = bc.y + bc.height/2
            if self.validData:
                # add valid data to chart
                bc.data = self.dataBar
                bc.categoryAxis.categoryNames = self.dataNames
                # axis values
                bc.valueAxis.valueMin  = self.valueMin
                bc.valueAxis.valueMax  = self.valueMax
                bc.valueAxis.valueStep = self.valueStep
                # add value labels above bars
                bc.barLabelFormat = self._customSecondsLabelFormat
                bc.barLabels.dy = 0.08*inch
                bc.barLabels.fontSize = 6
            else:
                # no valid data
                bc.data = [ (0, ), ]
                bc.categoryAxis.categoryNames = [ '' ]
                bc.valueAxis.valueMin  = 0
                bc.valueAxis.valueMax  = 1
                bc.valueAxis.valueStep = 1
                Nodata = Label()
                Nodata.fontSize = 12
                Nodata.angle = 0
                Nodata.boxAnchor = 'c'
                Nodata.dx = self.graphCenterX
                Nodata.dy = self.graphCenterY
                Nodata.setText("NO VALID DATA")
                self.drawing.add(Nodata)
            
            # chart formatting
            (R,G,B) = VeriwaveYellow
            bc.bars[0].fillColor   = colors.Color(R,G,B)
            bc.valueAxis.labelTextFormat = self._customSecondsLabelFormat
            # axis labels
            bc.categoryAxis.labels.boxAnchor = 'c'
            bc.categoryAxis.labels.dx    = 0
            bc.categoryAxis.labels.dy    = -10
            bc.categoryAxis.labels.angle = 0
            bc.categoryAxis.labels.fontSize = 8

            # add chart
            self.drawing.add(bc)

            #Adjust the labels to be the center of the graph
            self._drawLabels(self.title, "", "")

            # Add Legend in upper right corner
            legendHeight  = 9 
            legendX = bc.x + 5
            legendY = bc.y + bc.height - 12
            self.drawing.add(Line(legendX, legendY + 3 , legendX + 20, legendY + 3, strokeColor=bc.bars[0].fillColor, strokeWidth=3 ))
            self.drawing.add(String(legendX + 22, legendY, 'MIN', fontName='Helvetica', fontSize=8))
            legendY -= legendHeight
            self.drawing.add(Line(legendX, legendY + 3 , legendX + 20, legendY + 3, strokeColor=bc.bars[1].fillColor, strokeWidth=3 ))
            self.drawing.add(String(legendX + 22, legendY, 'MAX', fontName='Helvetica', fontSize=8))
            legendY -= legendHeight
            self.drawing.add(Line(legendX, legendY + 3 , legendX + 20, legendY + 3, strokeColor=bc.bars[2].fillColor, strokeWidth=3 ))
            self.drawing.add(String(legendX + 22, legendY, 'AVG', fontName='Helvetica', fontSize=8))
            legendY -= legendHeight

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import boxAnchor [as 别名]
d.add(lab)
"""
)


from reportlab.graphics import shapes
from reportlab.graphics.charts.textlabels import Label

d = Drawing(200, 100)

# mark the origin of the label
d.add(Circle(100, 90, 5, fillColor=colors.green))

lab = Label()
lab.setOrigin(100, 90)
lab.boxAnchor = "ne"
lab.angle = 45
lab.dx = 0
lab.dy = -20
lab.boxStrokeColor = colors.green
lab.setText("Some\nMulti-Line\nLabel")

d.add(lab)

draw(d, "Label example")


disc(
    """
In the drawing above, the label is defined relative to the green blob.
The text box should have its north-east corner ten points down from

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import boxAnchor [as 别名]
def addCompoundFeature(drawing, xmap, y, gene, 
  strokeColor=None, fillColor=colors.blue, 
  intronColor=colors.blue, intronWidth=0.5,
  glyph=Block, height=12, utrHeight=6,
  labeldy=10, fontSize=10, textAnchor='middle', boxAnchor='s'):
    """Adds a compund feature to the drawing.
    A compound feature is typically several exons joined by zig-zag lines."""
    rise = height + utrHeight
    
    intronStarts = [None]
    intronEnds = []
    heights = []
    for exon in gene:
        x1,x2 = xmap(exon.start), xmap(exon.end)
        
        kind = exon.kind.lower()
        if kind in ['exon', 'utr']:
            intronStarts.append(exon.end)
            intronEnds.append(exon.start)
        
        g = glyph()
        g.x = x1
        g.y = y+height/2
        if exon.kind.lower()=='exon':
            g.height = height
            heights.append(height)
        else:
            g.height = utrHeight
            heights.append(utrHeight)
        
        g.length = x2-x1
        g.fillColor = fillColor
        if strokeColor:
            g.strokeColor = strokeColor
        else:
            g.strokeColor = fillColor
        g.fontSize = fontSize
        drawing.add(g)
    
    for i,(intronStart,intronEnd) in enumerate(zip(intronStarts[1:], intronEnds[1:])):
        x1 = xmap(intronStart)
        x2 = xmap(0.5*(intronStart+intronEnd))
        x3 = xmap(intronEnd)
        # if abs(x3-x1)<3: continue
        # print intronStart,intronEnd,heights[i],heights[i+1]
        
        y1 = y+heights[i]/2+height/2
        y2 = y+rise
        y3 = y+heights[i+1]/2+height/2
        
        line1 = Line(x1,y1,x2,y2,strokeColor=intronColor,strokeWidth=intronWidth)
        line2 = Line(x2,y2,x3,y3,strokeColor=intronColor,strokeWidth=intronWidth)
        drawing.add(line1)
        drawing.add(line2)
    
    # Draw arrows
    if xmap.flipped:
        signum = -1
    else:
        signum = 1
    
    if gene.strand=='+':
        x1 = xmap(gene.end)
        x2 = x1 + signum*15
        x3 = x1 + signum*10
        y1 = y + 0.5*height
        y2 = y + 0.75*height
        y3 = y + 0.25*height
        line1 = Line(x1,y1,x2,y1,strokeColor=intronColor,strokeWidth=intronWidth)
        line2 = Line(x2,y1,x3,y2,strokeColor=intronColor,strokeWidth=intronWidth)
        line3 = Line(x2,y1,x3,y3,strokeColor=intronColor,strokeWidth=intronWidth)
        drawing.add(line1)
        drawing.add(line2)
        drawing.add(line3)
    else:
        x1 = xmap(gene.start)
        x2 = x1 - signum*15
        x3 = x1 - signum*10
        y1 = y + 0.5*height
        y2 = y + 0.75*height
        y3 = y + 0.25*height
        line1 = Line(x1,y1,x2,y1,strokeColor=intronColor,strokeWidth=intronWidth)
        line2 = Line(x2,y1,x3,y2,strokeColor=intronColor,strokeWidth=intronWidth)
        line3 = Line(x2,y1,x3,y3,strokeColor=intronColor,strokeWidth=intronWidth)
        drawing.add(line1)
        drawing.add(line2)
        drawing.add(line3)
    
    # if gene has attribute name...
    label = Label()
    label.setText(gene.name)
    pos = 0.5*(gene.start+gene.end)
    x = xmap(pos)
    label.setOrigin(x,y)
    label.dy = labeldy
    label.textAnchor = textAnchor
    label.boxAnchor = boxAnchor
    drawing.add(label)

# 需要导入模块: from reportlab.graphics.charts.textlabels import Label [as 别名]
# 或者: from reportlab.graphics.charts.textlabels.Label import boxAnchor [as 别名]
    def draw_hex(self):
        print 'Reporting Hex'
        story = []
        for p in self.world.packets:
            pl,t = p.build_ps()
            XSTART = 0
            XDSTART = 210
            y = 0.0
            XMUL= 100.0
            YMUL = 10.0
            larg = 16
            YDUMP = PAGE_HEIGHT*0.80/YMUL - 10
            YDUMP = 0
            canvas = shapes.Drawing(500, 100)
            # canvas.add(shapes.Rect(0,0, 500, PAGE_HEIGHT, fillColor=colors.yellow))
            backcolor=colgen(0.6, 0.8, 1.0)
            forecolor=colgen(0.2, 0.5, 0.8)
            def hexstr(x):
                s = []
                for c in x:
                    s.append("%02x" % ord(c))
                return " ".join(s)

            my_y = 0
            shift = 0
            last_x = 0
            while t:
                bkcol = backcolor.next()
                proto,fields = t.pop()
                l = Label()
                l.setText(proto.name)
                l.boxAnchor = 'w'
                l.boxStrokeColor = colors.gray
                bc = colors.Color(bkcol[0], bkcol[1], bkcol[2] )
                l.boxFillColor = bc
                l.setOrigin(XSTART, (YDUMP-y)*YMUL)
                canvas.add(l)
                my_y = y
                for fname, fval, fdump in fields:
                    y += 1.5
                    col = forecolor.next()
                    l = Label()
                    l.boxAnchor = 'w'
                    l.setText(fname.name)
                    l.setOrigin(XSTART + (0.1 * XMUL), (YDUMP-y)*YMUL)
                    canvas.add(l)
                    
                    if fval is not None:
                        if len(fval) > 24:
                            fval = fval[:21]+"..."
                    else:
                        fval=""
                    
                    l = Label()
                    l.setText(fval)
                    xlabel, ylabel = XSTART+(1.5*XMUL), (YDUMP-y)*YMUL
                    l.setOrigin(xlabel, ylabel)
                    l.boxStrokeWidth = 2
                    l.boxAnchor = 'e'
                    canvas.add(l)
                    
                    first = True
                    while fdump:
                        dmp, fdump = fdump[:larg-shift],fdump[larg-shift:]
                        l = Label()
                        l.boxAnchor = 'w'
                        l.fontName = 'Courier'
                        l.boxFillColor = colors.Color(bkcol[0], bkcol[1], bkcol[2])
                        l.boxStrokeColor = colors.Color(col[0], col[1], col[2])
                        l.boxStrokeWidth = 2
                        xdump, ydump = XDSTART+ last_x * 0.06*XMUL, (YDUMP-my_y)*YMUL
                        l.setOrigin(xdump, ydump)
                        h = hexstr(dmp)
                        l.setText(h)
                        canvas.add(l)
                        if first:
                            link = shapes.Line(xdump, ydump, xlabel, ylabel, strokeColor=colors.Color(col[0], col[1], col[2]), strokeWidth=1)
                            canvas.add(link)
                            first = False
                        shift += len(dmp)
                        last_x += len(h) +1
                        if shift >= larg:
                            shift = 0
                            last_x = 0
                            my_y += 2
                y += 2
            scale = 0.7
            canvas.shift(0, y * YMUL*scale)
            canvas.height = min(y * YMUL *scale , PAGE_HEIGHT*0.80)
            canvas.scale(scale, scale)
            # para = Paragraph('<a name="hex%d"/>'%p.number + \
            # '<a href="#summary%d">(%d) %s</a>' % (p.number, p.number, p.description), styles['Normal'])
            # story.append([[para, Spacer(1,10), canvas]])
            para = Paragraph('<a href="#summary%d">(%d) %s</a>' % (p.number, p.number, p.description), styles['Normal'])
            story.append([[para, Spacer(1,10), canvas]])

        t = Table(story)
        t.setStyle(TableStyle([
                        ('INNERGRID', (0,0), (-1,-1), 0.1, colors.black), 
                        ('BOX', (0,0), (-1,-1), 0.1, colors.black), 
#.........这里部分代码省略.........