diff --git a/openlp/core/lib/__init__.py b/openlp/core/lib/__init__.py index c9858901e..1f911491f 100644 --- a/openlp/core/lib/__init__.py +++ b/openlp/core/lib/__init__.py @@ -325,7 +325,8 @@ from settingstab import SettingsTab from serviceitem import ServiceItem from serviceitem import ServiceItemType from serviceitem import ItemCapabilities -from htmlbuilder import build_html +from htmlbuilder import build_html, build_lyrics_format_css, \ + build_lyrics_outline_css from toolbar import OpenLPToolbar from dockwidget import OpenLPDockWidget from theme import ThemeLevel, ThemeXML diff --git a/openlp/core/lib/htmlbuilder.py b/openlp/core/lib/htmlbuilder.py index ddee44c27..a39c3dac5 100644 --- a/openlp/core/lib/htmlbuilder.py +++ b/openlp/core/lib/htmlbuilder.py @@ -266,14 +266,10 @@ def build_html(item, screen, alert, islive): `islive` Item is going live, rather than preview/theme building """ - try: - webkitvers = float(QtWebKit.qWebKitVersion()) - log.debug(u'Webkit version = %s' % webkitvers) - except AttributeError: - webkitvers = 0 width = screen[u'size'].width() height = screen[u'size'].height() theme = item.themedata + webkitvers = webkit_version() if item.bg_frame: image = u'data:image/png;base64,%s' % image_to_byte(item.bg_frame) else: @@ -289,6 +285,18 @@ def build_html(item, screen, alert, islive): build_lyrics_html(item, webkitvers)) return html +def webkit_version(): + """ + Return the Webkit version in use. + Note method added relatively recently, so return 0 if prior to this + """ + try: + webkitvers = float(QtWebKit.qWebKitVersion()) + log.debug(u'Webkit version = %s' % webkitvers) + except AttributeError: + webkitvers = 0 + return webkitvers + def build_background_css(item, width, height): """ Build the background css @@ -306,24 +314,25 @@ def build_background_css(item, width, height): else: if theme.background_direction == u'horizontal': background = \ - u'background: -webkit-gradient(linear, left top, left bottom, ' \ + u'background: ' \ + u'-webkit-gradient(linear, left top, left bottom, ' \ 'from(%s), to(%s))' % (theme.background_startColor, theme.background_endColor) elif theme.background_direction == u'vertical': background = \ - u'background: -webkit-gradient(linear, left top, right top,' \ - 'from(%s), to(%s))' % (theme.background_startColor, - theme.background_endColor) + u'background: -webkit-gradient(linear, left top, ' \ + u'right top, from(%s), to(%s))' % \ + (theme.background_startColor, theme.background_endColor) else: background = \ - u'background: -webkit-gradient(radial, %s 50%%, 100, %s 50%%, %s,' \ - 'from(%s), to(%s))' % (width, width, width, theme.background_startColor, - theme.background_endColor) + u'background: -webkit-gradient(radial, %s 50%%, 100, %s ' \ + u'50%%, %s, from(%s), to(%s))' % (width, width, width, + theme.background_startColor, theme.background_endColor) return background def build_lyrics_css(item, webkitvers): """ - Build the video display css + Build the lyrics display css `item` Service Item containing theme and location information @@ -363,24 +372,8 @@ def build_lyrics_css(item, webkitvers): if theme: lyricstable = u'left: %spx; top: %spx;' % \ (item.main.x(), item.main.y()) - if theme.display_horizontalAlign == 2: - align = u'center' - elif theme.display_horizontalAlign == 1: - align = u'right' - else: - align = u'left' - if theme.display_verticalAlign == 2: - valign = u'bottom' - elif theme.display_verticalAlign == 1: - valign = u'middle' - else: - valign = u'top' - lyrics = u'width: %spx; height: %spx; text-align: %s; ' \ - 'vertical-align: %s; font-family: %s; font-size: %spt; ' \ - 'color: %s; line-height: %d%%;' % \ - (item.main.width(), item.main.height(), align, valign, - theme.font_main_name, theme.font_main_proportion, - theme.font_main_color, 100 + int(theme.font_main_line_adjustment)) + lyrics = build_lyrics_format_css(theme, item.main.width(), + item.main.height()) # For performance reasons we want to show as few DIV's as possible, # especially when animating/transitions. # However some bugs in older versions of qtwebkit mean we need to @@ -396,30 +389,89 @@ def build_lyrics_css(item, webkitvers): # Before 534.4 the text-shadow didn't get displayed when # webkit-text-stroke was used. So use an offset text layer underneath. # https://bugs.webkit.org/show_bug.cgi?id=19728 - if theme.display_outline: - if webkitvers < 534.3: - lyrics += u' letter-spacing: 1px;' - outline = u' -webkit-text-stroke: %sem %s; ' \ - '-webkit-text-fill-color: %s; ' % \ - (float(theme.display_outline_size) / 16, - theme.display_outline_color, theme.font_main_color) - if webkitvers >= 533.3: - lyricsmain += outline - if theme.display_shadow and webkitvers < 534.3: - shadow = u'-webkit-text-stroke: %sem %s; ' \ - u'-webkit-text-fill-color: %s; ' \ - u' padding-left: %spx; padding-top: %spx' % \ - (float(theme.display_outline_size) / 16, - theme.display_shadow_color, theme.display_shadow_color, - theme.display_shadow_size, theme.display_shadow_size) - if theme.display_shadow and \ - (not theme.display_outline or webkitvers >= 534.3): - lyricsmain += u' text-shadow: %s %spx %spx;' % \ - (theme.display_shadow_color, theme.display_shadow_size, - theme.display_shadow_size) + if webkitvers >= 533.3: + lyricsmain += build_lyrics_outline_css(theme) + else: + outline = build_lyrics_outline_css(theme) + if theme.display_shadow: + if theme.display_outline and webkitvers < 534.3: + shadow = u'padding-left: %spx; padding-top: %spx ' % \ + (theme.display_shadow_size, theme.display_shadow_size) + shadow += build_lyrics_outline_css(theme, True) + else: + lyricsmain += u' text-shadow: %s %spx %spx;' % \ + (theme.display_shadow_color, theme.display_shadow_size, + theme.display_shadow_size) lyrics_css = style % (lyricstable, lyrics, lyricsmain, outline, shadow) return lyrics_css + +def build_lyrics_outline_css(theme, is_shadow=False): + """ + Build the css which controls the theme outline + Also used by renderer for splitting verses + `theme` + Object containing theme information + + `is_shadow` + If true, use the shadow colors instead + """ + if theme.display_outline: + size = float(theme.display_outline_size) / 16 + if is_shadow: + fill_color = theme.display_shadow_color + outline_color = theme.display_shadow_color + else: + fill_color = theme.font_main_color + outline_color = theme.display_outline_color + return u' -webkit-text-stroke: %sem %s; ' \ + u'-webkit-text-fill-color: %s; ' % (size, outline_color, fill_color) + else: + return u'' + +def build_lyrics_format_css(theme, width, height): + """ + Build the css which controls the theme format + Also used by renderer for splitting verses + + `theme` + Object containing theme information + + `width` + Width of the lyrics block + + `height` + Height of the lyrics block + + """ + if theme.display_horizontalAlign == 2: + align = u'center' + elif theme.display_horizontalAlign == 1: + align = u'right' + else: + align = u'left' + if theme.display_verticalAlign == 2: + valign = u'bottom' + elif theme.display_verticalAlign == 1: + valign = u'middle' + else: + valign = u'top' + lyrics = u'white-space:pre-wrap; word-wrap: break-word; ' \ + 'text-align: %s; vertical-align: %s; font-family: %s; ' \ + 'font-size: %spt; color: %s; line-height: %d%%; ' \ + 'margin:0; padding:0; width: %spx; height: %spx; ' % \ + (align, valign, theme.font_main_name, theme.font_main_proportion, + theme.font_main_color, 100 + int(theme.font_main_line_adjustment), + width, height) + if theme.display_outline: + if webkit_version() < 534.3: + lyrics += u' letter-spacing: 1px;' + if theme.font_main_italics: + lyrics += u' font-style:italic; ' + if theme.font_main_weight == u'Bold': + lyrics += u' font-weight:bold; ' + return lyrics + def build_lyrics_html(item, webkitvers): """ Build the HTML required to show the lyrics diff --git a/openlp/core/lib/renderer.py b/openlp/core/lib/renderer.py index e7689d012..5a98faaff 100644 --- a/openlp/core/lib/renderer.py +++ b/openlp/core/lib/renderer.py @@ -29,9 +29,10 @@ format it for the output display. """ import logging -from PyQt4 import QtGui, QtCore +from PyQt4 import QtGui, QtCore, QtWebKit -from openlp.core.lib import resize_image, expand_tags +from openlp.core.lib import resize_image, expand_tags, \ + build_lyrics_format_css, build_lyrics_outline_css log = logging.getLogger(__name__) @@ -137,41 +138,34 @@ class Renderer(object): for verse in verses_text: lines = verse.split(u'\n') for line in lines: - text.append(line) - doc = QtGui.QTextDocument() - doc.setPageSize(QtCore.QSizeF(self._rect.width(), self._rect.height())) - df = doc.defaultFont() - df.setPointSize(self._theme.font_main_proportion) - df.setFamily(self._theme.font_main_name) - main_weight = 50 - if self._theme.font_main_weight == u'Bold': - main_weight = 75 - df.setWeight(main_weight) - doc.setDefaultFont(df) - layout = doc.documentLayout() + 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'' \ + u'
' % \ + (build_lyrics_format_css(self._theme, width, height), + build_lyrics_outline_css(self._theme)) formatted = [] - if self._theme.font_main_weight == u'Bold' and \ - self._theme.font_main_italics: - shell = u'{p}{st}{it}%s{/it}{/st}{/p}' - elif self._theme.font_main_weight == u'Bold' and \ - not self._theme.font_main_italics: - shell = u'{p}{st}%s{/st}{/p}' - elif self._theme.font_main_italics: - shell = u'{p}{it}%s{/it}{/p}' - else: - shell = u'{p}%s{/p}' - temp_text = u'' - old_html_text = u'' + html_text = u'' + styled_text = u'' + js_height = 'document.getElementById("main").scrollHeight' for line in text: - # mark line ends - temp_text = temp_text + line + line_end - html_text = shell % expand_tags(temp_text) - doc.setHtml(html_text) - # Text too long so gone to next mage - if layout.pageCount() != 1: - formatted.append(shell % old_html_text) - temp_text = line + line_end - old_html_text = temp_text - formatted.append(shell % old_html_text) + styled_line = expand_tags(line) + line_end + styled_text += styled_line + html = shell + styled_text + u'
' + web.setHtml(html) + # Text too long so go to next page + text_height = int(frame.evaluateJavaScript(js_height).toString()) + if text_height > height: + formatted.append(html_text) + html_text = u'' + styled_text = styled_line + html_text += line + line_end + formatted.append(html_text) log.debug(u'format_slide - End') return formatted diff --git a/openlp/core/lib/serviceitem.py b/openlp/core/lib/serviceitem.py index 134df0c42..0e8625ce7 100644 --- a/openlp/core/lib/serviceitem.py +++ b/openlp/core/lib/serviceitem.py @@ -160,9 +160,9 @@ class ServiceItem(object): self.themedata = self.render_manager.renderer._theme for slide in self._raw_frames: before = time.time() - formated = self.render_manager \ + formatted = self.render_manager \ .format_slide(slide[u'raw_slide'], line_break) - for page in formated: + for page in formatted: self._display_frames.append( {u'title': clean_tags(page), u'text': clean_tags(page.rstrip()),