Python reportlab_paragraph.Paragraph类代码示例

    def wrap(self, availWidth, availHeight):

        availHeight = self.setMaxHeight(availHeight)

        style = self.style

        self.deltaWidth = style.paddingLeft + style.paddingRight + style.borderLeftWidth + style.borderRightWidth
        self.deltaHeight = style.paddingTop + style.paddingBottom + style.borderTopWidth + style.borderBottomWidth

        # reduce the available width & height by the padding so the wrapping
        # will use the correct size
        availWidth -= self.deltaWidth
        availHeight -= self.deltaHeight

        # Modify maxium image sizes
        self._calcImageMaxSizes(availWidth, self.getMaxHeight() - self.deltaHeight)

        # call the base class to do wrapping and calculate the size
        Paragraph.wrap(self, availWidth, availHeight)

        #self.height = max(1, self.height)
        #self.width = max(1, self.width)

        # increase the calculated size by the padding
        self.width = self.width + self.deltaWidth
        self.height = self.height + self.deltaHeight

        return (self.width, self.height)

    def split(self, availWidth, availHeight):

        if len(self.frags) <= 0:
            return []

        #the split information is all inside self.blPara
        if not hasattr(self, 'deltaWidth'):
            self.wrap(availWidth, availHeight)

        availWidth -= self.deltaWidth
        availHeight -= self.deltaHeight

        return Paragraph.split(self, availWidth, availHeight)

    def draw(self):

        # Insert page number
        '''
        if 0: #for line in self.blPara.lines:
            try:
                for frag in line.words:
                    #print 111,frag.pageNumber, frag.text
                    if frag.pageNumber:
                        frag.text = str(self.canv.getPageNumber())
            except Exception, e:
                log.debug("PmlParagraph", exc_info=1)
        '''

        # Create outline
        if getattr(self, "outline", False):

            # Check level and add all levels
            last = getattr(self.canv, "outlineLast", - 1) + 1
            while last < self.outlineLevel:
                # print "(OUTLINE",  last, self.text
                key = getUID()
                self.canv.bookmarkPage(key)
                self.canv.addOutlineEntry(
                    self.text,
                    key,
                    last,
                    not self.outlineOpen)
                last += 1
            self.canv.outlineLast = self.outlineLevel

            key = getUID()
            # print " OUTLINE", self.outlineLevel, self.text
            self.canv.bookmarkPage(key)
            self.canv.addOutlineEntry(
                self.text,
                key,
                self.outlineLevel,
                not self.outlineOpen)
            last += 1

        #else:
        #    print repr(self.text)[:80]

        # Draw the background and borders here before passing control on to
        # ReportLab. This is because ReportLab can't handle the individual
        # components of the border independently. This will also let us
        # support more border styles eventually.
        canvas = self.canv
        style = self.style
        bg = style.backColor
        leftIndent = style.leftIndent
        bp = 0  # style.borderPadding

        x = leftIndent - bp
        y = - bp
        w = self.width - (leftIndent + style.rightIndent) + 2 * bp
        h = self.height + 2 * bp

        if bg:
            # draw a filled rectangle (with no stroke) using bg color
            canvas.saveState()
            canvas.setFillColor(bg)
            canvas.rect(x, y, w, h, fill=1, stroke=0)
            canvas.restoreState()

        # we need to hide the bg color (if any) so Paragraph won't try to draw it again
        style.backColor = None

        # offset the origin to compensate for the padding
        canvas.saveState()
        canvas.translate(
            (style.paddingLeft + style.borderLeftWidth),
            -1 * (style.paddingTop + style.borderTopWidth))  # + (style.leading / 4)))

        # Call the base class draw method to finish up
        Paragraph.draw(self)
        canvas.restoreState()

        # Reset color because we need it again if we run 2-PASS like we
        # do when using TOC
        style.backColor = bg

        canvas.saveState()

        def _drawBorderLine(bstyle, width, color, x1, y1, x2, y2):
            # We need width and border style to be able to draw a border
            if width and getBorderStyle(bstyle):
                # If no color for border is given, the text color is used (like defined by W3C)
                if color is None:
                    color = style.textColor
                # print "Border", bstyle, width, color
                if color is not None:
                    canvas.setStrokeColor(color)
                    canvas.setLineWidth(width)
                    canvas.line(x1, y1, x2, y2)

        _drawBorderLine(style.borderLeftStyle,
                        style.borderLeftWidth,
                        style.borderLeftColor,
#.........这里部分代码省略.........