def _precalc_text(self, node):
E = self._eval_func(node)
node.fontname = E('fontName')
node.lineheight = E('lineHeight')
node.max_text_width = E('maxTextWidth')
node.hyphenate = E('hyphenate')
_ctx.font(node.fontname, node.fontsize)
_ctx.lineheight(node.lineheight)
lineheight = node.lineheight * node.fontsize
textwidth_func = lambda (txt): textwidth(_ctx, txt, node.fontname, node
.fontsize)
if self._wraprect:
(node._textlines, node._textlinewidths, node._textrects,
node.textwidth,
node.textheight) = textwrap.wrap_rect(node.label, lineheight,
textwidth_func,
node.max_text_width)
else:
(node._textlines, node._textlinewidths, node._textrects,
node.textwidth,
node.textheight) = textwrap.wrap_shape(node.label,
lineheight,
textwidth_func,
self._shapefunc,
hyphenate=node.hyphenate,
**self._shapefunc_args)
def _precalc_text(self, node):
E = self._eval_func(node)
node.fontname = E('fontName')
node.lineheight = E('lineHeight')
node.max_text_width = E('maxTextWidth')
node.hyphenate = E('hyphenate')
_ctx.font(node.fontname, node.fontsize)
_ctx.lineheight(node.lineheight)
lineheight = node.lineheight * node.fontsize
textwidth_func = lambda(txt): textwidth(_ctx, txt,
node.fontname, node.fontsize)
if self._wraprect:
(node._textlines, node._textlinewidths, node._textrects,
node.textwidth,
node.textheight) = textwrap.wrap_rect(node.label, lineheight,
textwidth_func,
node.max_text_width)
else:
(node._textlines, node._textlinewidths, node._textrects,
node.textwidth,
node.textheight) = textwrap.wrap_shape(node.label, lineheight,
textwidth_func,
self._shapefunc,
hyphenate=node.hyphenate,
**self._shapefunc_args)
def _drawtext(self, node, xoffs, yoffs):
E = self._eval_func(node)
if not node._textrects:
return
# Text alignment
alignment = LEFT
text_align = E('textAlign')
if text_align == 'right': alignment = RIGHT
elif text_align == 'center': alignment = CENTER
elif text_align == 'justify': alignment = JUSTIFY
elif text_align == 'auto':
if node.isroot():
alignment = CENTER
else:
alignment = (RIGHT
if node.direction() == Direction.Left else LEFT)
# Draw text
baseline_corr = E('textBaselineCorrection')
_ctx.font(node.fontname, node.fontsize)
_ctx.lineheight(node.lineheight)
justify_min_lines = E('justifyMinLines')
ystep = node._textrects[0].h
nonblank_lines = 0
for l in node._textlines:
if l:
nonblank_lines += 1
if nonblank_lines <= justify_min_lines:
self._center_text_vertically(node)
baseline_offs = node.fontsize * baseline_corr
lineheight_offs = -(node.lineheight - 1) / 2 * node.fontsize
if alignment == JUSTIFY and nonblank_lines <= justify_min_lines:
alignment = CENTER
if alignment == JUSTIFY:
spacewidth = textwidth(_ctx, ' ', node.fontname, node.fontsize)
for i, l in enumerate(node._textlines):
x, y, w, h = node._textrects[i].params()
x += xoffs
y += yoffs + baseline_offs + lineheight_offs + ystep
if DEBUG:
_ctx.save()
_ctx.nofill()
_ctx.stroke(node.fontcolor)
_ctx.rect(x, y - h, w, h)
_ctx.stroke(1, 0, 0)
_ctx.rect(tx, ty, node.textwidth, node.textheight)
_ctx.restore()
words = l.split()
numspaces = float(l.count(' '))
x_spacing = spacewidth
if numspaces:
charswidth = (node._textlinewidths[i] -
numspaces * spacewidth)
x_spacing = (w - charswidth) / numspaces
# TODO remove 7 magic constant
if ((i == 0 or i == len(node._textlines) - 1)
and (x_spacing > spacewidth * 7 or len(words) == 1)):
x_spacing = spacewidth
x += (w - node._textlinewidths[i]) / 2.
for w in words:
_ctx.text(w, x, y)
x += x_spacing + textwidth(_ctx, w, node.fontname,
node.fontsize)
else:
for i, l in enumerate(node._textlines):
x, y, w, h = node._textrects[i].params()
x += xoffs
y += yoffs + ystep
if DEBUG:
_ctx.save()
_ctx.nofill()
_ctx.stroke(node.fontcolor)
_ctx.rect(x, y - h, w, h)
_ctx.stroke(1, 0, 0)
_ctx.rect(tx, ty, node.textwidth, node.textheight)
_ctx.restore()
y += baseline_offs + lineheight_offs
if alignment == RIGHT:
x += w - node._textlinewidths[i]
elif alignment == CENTER:
x += (w - node._textlinewidths[i]) / 2.
_ctx.text(l, x, y)
def _drawtext(self, node, xoffs, yoffs):
E = self._eval_func(node)
if not node._textrects:
return
# Text alignment
alignment = LEFT
text_align = E('textAlign')
if text_align == 'right': alignment = RIGHT
elif text_align == 'center': alignment = CENTER
elif text_align == 'justify': alignment = JUSTIFY
elif text_align == 'auto':
if node.isroot():
alignment = CENTER
else:
alignment = (RIGHT if node.direction() == Direction.Left
else LEFT)
# Draw text
baseline_corr = E('textBaselineCorrection')
_ctx.font(node.fontname, node.fontsize)
_ctx.lineheight(node.lineheight)
justify_min_lines = E('justifyMinLines')
ystep = node._textrects[0].h
nonblank_lines = 0
for l in node._textlines:
if l:
nonblank_lines += 1
if nonblank_lines <= justify_min_lines:
self._center_text_vertically(node)
baseline_offs = node.fontsize * baseline_corr
lineheight_offs = -(node.lineheight - 1) / 2 * node.fontsize
if alignment == JUSTIFY and nonblank_lines <= justify_min_lines:
alignment = CENTER
if alignment == JUSTIFY:
spacewidth = textwidth(_ctx, ' ', node.fontname, node.fontsize)
for i, l in enumerate(node._textlines):
x, y, w, h = node._textrects[i].params()
x += xoffs
y += yoffs + baseline_offs + lineheight_offs + ystep
if DEBUG:
_ctx.save()
_ctx.nofill()
_ctx.stroke(node.fontcolor)
_ctx.rect(x, y - h, w, h)
_ctx.stroke(1, 0, 0)
_ctx.rect(tx, ty, node.textwidth, node.textheight)
_ctx.restore()
words = l.split()
numspaces = float(l.count(' '))
x_spacing = spacewidth
if numspaces:
charswidth = (node._textlinewidths[i]
- numspaces * spacewidth)
x_spacing = (w - charswidth) / numspaces
# TODO remove 7 magic constant
if ((i == 0 or i == len(node._textlines) - 1)
and (x_spacing > spacewidth * 7 or len(words) == 1)):
x_spacing = spacewidth
x += (w - node._textlinewidths[i]) / 2.
for w in words:
_ctx.text(w, x, y)
x += x_spacing + textwidth(_ctx, w,
node.fontname, node.fontsize)
else:
for i, l in enumerate(node._textlines):
x, y, w, h = node._textrects[i].params()
x += xoffs
y += yoffs + ystep
if DEBUG:
_ctx.save()
_ctx.nofill()
_ctx.stroke(node.fontcolor)
_ctx.rect(x, y - h, w, h)
_ctx.stroke(1, 0, 0)
_ctx.rect(tx, ty, node.textwidth, node.textheight)
_ctx.restore()
y += baseline_offs + lineheight_offs
if alignment == RIGHT:
x += w - node._textlinewidths[i]
elif alignment == CENTER:
x += (w - node._textlinewidths[i]) / 2.
_ctx.text(l, x, y)
