def calculate_metrics(self):
self.HEADER_ASCENT = getAscent(self.HEADER_FONT, self.HEADER_SIZE)
self.HEADER_DESCENT = -getDescent(self.HEADER_FONT, self.HEADER_SIZE)
self.HEADER_HEIGHT = self.HEADER_ASCENT + self.HEADER_DESCENT + self.HEADER_PADDING * 2
self.BOX_ASCENT = getAscent(self.BOX_FONT, self.BOX_SIZE)
self.BOX_DESCENT = -getDescent(self.BOX_FONT, self.BOX_SIZE)
self.BOX_HEIGHT = self.BOX_ASCENT + self.BOX_DESCENT + self.BOX_PADDING * 2
self.SUMMARY_BOX_WIDTH = self.WIDTH - self.PAGE_MARGIN * 2
def draw_text_cell(self,
a_canvas,
text,
font_name,
font_size,
vertical_align='t',
force_baseline=None,
inset_x=0.,
inset_y=0.,
draw_baseline=False):
if text is None:
return
a_canvas.saveState()
inset_rect = self.inset_xy(inset_x, inset_y)
if vertical_align == 'm':
y = inset_rect.center_y - getAscent(font_name, font_size) / 2.
elif vertical_align == 't':
y = inset_rect.max_y - getAscent(font_name, font_size)
else:
y = inset_rect.min_y - getDescent(font_name, font_size)
if force_baseline is not None:
y = self.min_y + force_baseline
cp = a_canvas.beginPath()
cp.rect(self.min_x, self.min_y, self.width, self.height)
a_canvas.clipPath(cp, stroke=0, fill=0)
a_canvas.setFont(font_name, font_size)
tx = a_canvas.beginText()
tx.setTextOrigin(inset_rect.min_x, y)
tx.textLine(text)
a_canvas.drawText(tx)
if draw_baseline:
a_canvas.setDash([3.0, 1.0, 2.0, 1.0])
a_canvas.setLineWidth(0.5)
bl = a_canvas.beginPath()
bl.moveTo(inset_rect.min_x, y - 1.)
bl.lineTo(inset_rect.max_x, y - 1.)
a_canvas.drawPath(bl)
a_canvas.restoreState()
def drawHumanReadable(self):
if self.humanReadable:
#we have text
from reportlab.pdfbase.pdfmetrics import getAscent, stringWidth
s = str(self._humanText())
fontSize = self.fontSize
fontName = self.fontName
w = stringWidth(s,fontName,fontSize)
width = self._width
if self.quiet:
width -= self.lquiet+self.rquiet
x = self.lquiet
else:
x = 0
if w>width: fontSize *= width/float(w)
y = 1.07*getAscent(fontName)*fontSize/1000.
self.annotate(x+width/2.,-y,s,fontName,fontSize)
def drawHumanReadable(self):
if self.humanReadable:
#we have text
from reportlab.pdfbase.pdfmetrics import getAscent, stringWidth
s = str(self._humanText())
fontSize = self.fontSize
fontName = self.fontName
w = stringWidth(s, fontName, fontSize)
width = self._width
if self.quiet:
width -= self.lquiet + self.rquiet
x = self.lquiet
else:
x = 0
if w > width: fontSize *= width / float(w)
y = 1.07 * getAscent(fontName) * fontSize / 1000.
self.annotate(x + width / 2., -y, s, fontName, fontSize)
def get_ascent(self):
return getAscent(self.font, self.size)
def get_line_height(self):
return getAscent(self.font, self.size) - getDescent(
self.font, self.size) + self.BOX_PADDING
def getHeight(self):
return getAscent(self.getFont(),self.getFontSize())
def ascent_pts(self):
"""Return font ascent in points."""
return pdfmetrics.getAscent(self.name, self.size_pts)
