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Buffer calls

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This commit is contained in:
Tim Bentley 2009-06-10 17:14:44 +01:00
parent 7a05a944ef
commit 84e94058a7
1 changed files with 29 additions and 28 deletions
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11
openlp/core/lib/renderer.py
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@ -138,9 +138,9 @@ class Renderer:
self._frame = QtGui.QPixmap(self._frame.width(), self._frame.height()) #(self._bg_frame) self._frame = QtGui.QPixmap(self._frame.width(), self._frame.height()) #(self._bg_frame)
self._frame.fill(QtCore.Qt.transparent) self._frame.fill(QtCore.Qt.transparent)
x, y = self._correctAlignment(self._rect, bbox) x, y = self._correctAlignment(self._rect, bbox)
bbox = self._render_lines_unaligned(lines, False, (x, y)) bbox = self._render_lines_unaligned(lines, False, (x, y), True)
if footer_lines is not None: if footer_lines is not None:
bbox = self._render_lines_unaligned(footer_lines, True, (self._rect_footer.left(), self._rect_footer.top()) ) bbox = self._render_lines_unaligned(footer_lines, True, (self._rect_footer.left(), self._rect_footer.top()), True )
log.debug(u'generate_frame_from_lines - Finish') log.debug(u'generate_frame_from_lines - Finish')
return self._frame return self._frame
@ -261,7 +261,7 @@ class Renderer:
log.error(u'Invalid value for theme.VerticalAlign:%s' % self._theme.display_verticalAlign) log.error(u'Invalid value for theme.VerticalAlign:%s' % self._theme.display_verticalAlign)
return x, y return x, y
def _render_lines_unaligned(self, lines, footer, tlcorner=(0,0)): def _render_lines_unaligned(self, lines, footer, tlcorner=(0,0), live=False):
""" """
Given a list of lines to render, render each one in turn Given a list of lines to render, render each one in turn
(using the _render_single_line fn - which may result in going (using the _render_single_line fn - which may result in going
@ -275,7 +275,7 @@ class Renderer:
for line in lines: for line in lines:
# render after current bottom, but at original left edge # render after current bottom, but at original left edge
# keep track of right edge to see which is biggest # keep track of right edge to see which is biggest
(thisx, bry) = self._render_and_wrap_single_line(line, footer, (x , bry)) (thisx, bry) = self._render_and_wrap_single_line(line, footer, (x , bry), live)
if (thisx > brx): if (thisx > brx):
brx = thisx brx = thisx
retval = QtCore.QRect(x, y,brx-x, bry-y) retval = QtCore.QRect(x, y,brx-x, bry-y)
@ -287,7 +287,7 @@ class Renderer:
painter.end() painter.end()
return retval return retval
def _render_and_wrap_single_line(self, line, footer, tlcorner=(0,0)): def _render_and_wrap_single_line(self, line, footer, tlcorner=(0,0), live=False):
""" """
Render a single line of words onto the DC, top left corner Render a single line of words onto the DC, top left corner
specified. specified.
@ -352,6 +352,7 @@ class Renderer:
elif align == 2: elif align == 2:
x = (maxx - w) / 2; x = (maxx - w) / 2;
rightextent = x + w rightextent = x + w
if live:
# now draw the text, and any outlines/shadows # now draw the text, and any outlines/shadows
if self._theme.display_shadow: if self._theme.display_shadow:
self._get_extent_and_render(line, footer, tlcorner=(x+self._shadow_offset,y+self._shadow_offset), self._get_extent_and_render(line, footer, tlcorner=(x+self._shadow_offset,y+self._shadow_offset),