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Speed up render

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This commit is contained in:
Tim Bentley 2010-09-15 19:03:54 +01:00
parent c21903cf32
commit bc537365bd
1 changed files with 16 additions and 15 deletions
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31
openlp/core/lib/renderer.py
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@ -90,6 +90,18 @@ class Renderer(object):
self._rect = rect_main
self._rect_footer = rect_footer
self.web = QtWebKit.QWebView()
self.web.resize(self._rect.width(), self._rect.height())
self.web.setVisible(False)
self.web_frame = self.web.page().mainFrame()
# Adjust width and height to account for shadow. outline done in css
self.page_width = self._rect.width() - int(self._theme.display_shadow_size)
self.page_height = self._rect.height() - int(self._theme.display_shadow_size)
self.page_shell = u'<html><head><style>#main {%s %s}</style><body>' \
u'<div id="main">' % \
(build_lyrics_format_css(self._theme, self.page_width, self.page_height),
build_lyrics_outline_css(self._theme))
def set_frame_dest(self, frame_width, frame_height):
"""
Set the size of the slide.
@ -139,17 +151,6 @@ class Renderer(object):
lines = verse.split(u'\n')
for line in lines:
text.append(line)
web = QtWebKit.QWebView()
web.resize(self._rect.width(), self._rect.height())
web.setVisible(False)
frame = web.page().mainFrame()
# Adjust width and height to account for shadow. outline done in css
width = self._rect.width() - int(self._theme.display_shadow_size)
height = self._rect.height() - int(self._theme.display_shadow_size)
shell = u'<html><head><style>#main {%s %s}</style><body>' \
u'<div id="main">' % \
(build_lyrics_format_css(self._theme, width, height),
build_lyrics_outline_css(self._theme))
formatted = []
html_text = u''
styled_text = u''
@ -157,11 +158,11 @@ class Renderer(object):
for line in text:
styled_line = expand_tags(line) + line_end
styled_text += styled_line
html = shell + styled_text + u'</div></body></html>'
web.setHtml(html)
html = self.page_shell + styled_text + u'</div></body></html>'
self.web.setHtml(html)
# Text too long so go to next page
text_height = int(frame.evaluateJavaScript(js_height).toString())
if text_height > height:
text_height = int(self.web_frame.evaluateJavaScript(js_height).toString())
if text_height > self.page_height:
formatted.append(html_text)
html_text = u''
styled_text = styled_line