forked from openlp/openlp
Fix up renderer to protect it from Gushie
This commit is contained in:
Tim Bentley
parent
b401179613
commit
56c69bd8e8
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@ -168,35 +168,45 @@ class Renderer(object):
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line_width = self._rect.width() - self._right_margin
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#number of lines on a page - adjust for rounding up.
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page_length = int(self._rect.height() / metrics.height() - 2 ) - 1
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#Average number of characters in line
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ave_line_width = line_width / metrics.averageCharWidth()
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ave_line_width = int(ave_line_width + (ave_line_width * 1))
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#Maximum size of a character
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max_char_width = metrics.maxWidth()
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#Min size of a character
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min_char_width = metrics.width(u'i')
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char_per_line = line_width / min_char_width
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log.debug(u'Page Length area height %s , metrics %s , lines %s' %
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(int(self._rect.height()), metrics.height(), page_length ))
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split_pages = []
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page = []
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split_lines = []
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count = 0
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for line in text:
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#Must be a blank line so keep it.
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if len(line) == 0:
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line = u' '
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while len(line) > 0:
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if len(line) > ave_line_width:
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pos = line.find(u' ', ave_line_width)
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split_text = line[:pos]
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else:
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pos = len(line)
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split_text = line
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while metrics.width(split_text, -1) > line_width:
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#Find the next space to the left
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pos = line[:pos].rfind(u' ')
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#no more spaces found
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if pos == 0:
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split_text = line
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pos = char_per_line
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split_text = line[:pos]
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#line needs splitting
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if metrics.width(split_text, -1) > line_width:
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#We have no spaces
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if split_text.find(u' ') == -1:
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#Move back 1 char at a time till it fits
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while metrics.width(split_text, -1) > line_width:
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split_text = split_text[:-1]
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pos = len(split_text)
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pos = len(split_text)
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else:
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split_text = line[:pos]
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#We have spaces so split at previous one
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while metrics.width(split_text, -1) > line_width:
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pos = split_text.rfind(u' ')
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#no more spaces and we are still too long
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if pos == -1:
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while metrics.width(split_text, -1) > line_width:
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split_text = split_text[:-1]
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pos = len(split_text)
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else:
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split_text = line[:pos]
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split_lines.append(split_text)
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line = line[pos:].lstrip()
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#if we have more text add up to 10 spaces on the front.
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@ -450,32 +460,32 @@ class Renderer(object):
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draw=True, color = self._theme.display_shadow_color)
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if self._theme.display_outline:
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self._get_extent_and_render(line, footer,
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(x+self._outline_offset, y), draw=True,
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(x + self._outline_offset, y), draw=True,
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color = self._theme.display_outline_color)
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self._get_extent_and_render(line, footer,
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(x, y+self._outline_offset), draw=True,
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(x, y + self._outline_offset), draw=True,
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color = self._theme.display_outline_color)
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self._get_extent_and_render(line, footer,
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(x, y-self._outline_offset), draw=True,
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(x, y - self._outline_offset), draw=True,
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color = self._theme.display_outline_color)
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self._get_extent_and_render(line, footer,
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(x-self._outline_offset, y), draw=True,
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(x - self._outline_offset, y), draw=True,
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color = self._theme.display_outline_color)
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if self._outline_offset > 1:
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self._get_extent_and_render(line, footer,
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(x+self._outline_offset, y+self._outline_offset),
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(x + self._outline_offset, y + self._outline_offset),
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draw=True,
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color = self._theme.display_outline_color)
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self._get_extent_and_render(line, footer,
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(x-self._outline_offset, y+self._outline_offset),
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(x - self._outline_offset, y + self._outline_offset),
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draw=True,
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color = self._theme.display_outline_color)
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self._get_extent_and_render(line, footer,
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(x+self._outline_offset, y-self._outline_offset),
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(x + self._outline_offset, y - self._outline_offset),
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draw=True,
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color = self._theme.display_outline_color)
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self._get_extent_and_render(line, footer,
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(x-self._outline_offset, y-self._outline_offset),
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(x - self._outline_offset, y - self._outline_offset),
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draw=True,
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color = self._theme.display_outline_color)
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self._get_extent_and_render(line, footer,tlcorner=(x, y),
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@ -189,21 +189,21 @@ class AmendThemeForm(QtGui.QDialog, Ui_AmendThemeDialog):
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self.allowPreview = False
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self.paintUi(self.theme)
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self.allowPreview = True
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self.previewTheme(self.theme)
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self.previewTheme()
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def onImageToolButtonClicked(self):
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filename = QtGui.QFileDialog.getOpenFileName(
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self, self.trUtf8(u'Open file'))
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self, self.trUtf8('Open file'))
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if filename:
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self.ImageLineEdit.setText(filename)
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self.theme.background_filename = filename
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self.previewTheme(self.theme)
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self.previewTheme()
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#
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#Main Font Tab
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#
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def onFontMainComboBoxSelected(self):
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self.theme.font_main_name = self.FontMainComboBox.currentFont().family()
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontMainWeightComboBoxSelected(self, value):
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if value == 0:
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@ -218,7 +218,7 @@ class AmendThemeForm(QtGui.QDialog, Ui_AmendThemeDialog):
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else:
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self.theme.font_main_weight = u'Bold'
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self.theme.font_main_italics = True
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontMainColorPushButtonClicked(self):
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self.theme.font_main_color = QtGui.QColorDialog.getColor(
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@ -226,12 +226,12 @@ class AmendThemeForm(QtGui.QDialog, Ui_AmendThemeDialog):
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self.FontMainColorPushButton.setStyleSheet(
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u'background-color: %s' % unicode(self.theme.font_main_color))
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontMainSizeSpinBoxChanged(self):
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if self.theme.font_main_proportion != self.FontMainSizeSpinBox.value():
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self.theme.font_main_proportion = self.FontMainSizeSpinBox.value()
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontMainDefaultCheckBoxChanged(self, value):
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if value == 2: # checked
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@ -252,41 +252,41 @@ class AmendThemeForm(QtGui.QDialog, Ui_AmendThemeDialog):
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self.FontMainLineSpacingSpinBox.setValue(
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self.theme.font_main_indentation)
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self.stateChanging(self.theme)
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontMainXSpinBoxChanged(self):
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if self.theme.font_main_x != self.FontMainXSpinBox.value():
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self.theme.font_main_x = self.FontMainXSpinBox.value()
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontMainYSpinBoxChanged(self):
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if self.theme.font_main_y != self.FontMainYSpinBox.value():
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self.theme.font_main_y = self.FontMainYSpinBox.value()
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontMainWidthSpinBoxChanged(self):
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if self.theme.font_main_width != self.FontMainWidthSpinBox.value():
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self.theme.font_main_width = self.FontMainWidthSpinBox.value()
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontMainLineSpacingSpinBoxChanged(self):
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if self.theme.font_main_indentation != \
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self.FontMainLineSpacingSpinBox.value():
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self.theme.font_main_indentation = \
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self.FontMainLineSpacingSpinBox.value()
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontMainHeightSpinBoxChanged(self):
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if self.theme.font_main_height != self.FontMainHeightSpinBox.value():
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self.theme.font_main_height = self.FontMainHeightSpinBox.value()
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self.previewTheme(self.theme)
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self.previewTheme()
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#
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#Footer Font Tab
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#
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def onFontFooterComboBoxSelected(self):
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self.theme.font_footer_name = \
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self.FontFooterComboBox.currentFont().family()
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontFooterWeightComboBoxSelected(self, value):
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if value == 0:
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@ -301,22 +301,21 @@ class AmendThemeForm(QtGui.QDialog, Ui_AmendThemeDialog):
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else:
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self.theme.font_footer_weight = u'Bold'
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self.theme.font_footer_italics = True
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontFooterColorPushButtonClicked(self):
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self.theme.font_footer_color = QtGui.QColorDialog.getColor(
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QtGui.QColor(self.theme.font_footer_color), self).name()
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self.FontFooterColorPushButton.setStyleSheet(
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'background-color: %s' % unicode(self.theme.font_footer_color))
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontFooterSizeSpinBoxChanged(self):
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if self.theme.font_footer_proportion != \
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self.FontFooterSizeSpinBox.value():
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self.theme.font_footer_proportion = \
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self.FontFooterSizeSpinBox.value()
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontFooterDefaultCheckBoxChanged(self, value):
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if value == 2: # checked
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@ -336,29 +335,29 @@ class AmendThemeForm(QtGui.QDialog, Ui_AmendThemeDialog):
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self.FontFooterHeightSpinBox.setValue(
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self.theme.font_footer_height)
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self.stateChanging(self.theme)
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontFooterXSpinBoxChanged(self):
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if self.theme.font_footer_x != self.FontFooterXSpinBox.value():
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self.theme.font_footer_x = self.FontFooterXSpinBox.value()
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontFooterYSpinBoxChanged(self):
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if self.theme.font_footer_y != self.FontFooterYSpinBox.value():
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self.theme.font_footer_y = self.FontFooterYSpinBox.value()
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontFooterWidthSpinBoxChanged(self):
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if self.theme.font_footer_width != self.FontFooterWidthSpinBox.value():
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self.theme.font_footer_width = self.FontFooterWidthSpinBox.value()
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self.previewTheme(self.theme)
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self.previewTheme()
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def onFontFooterHeightSpinBoxChanged(self):
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if self.theme.font_footer_height != \
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self.FontFooterHeightSpinBox.value():
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self.theme.font_footer_height = \
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self.FontFooterHeightSpinBox.value()
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self.previewTheme(self.theme)
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self.previewTheme()
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#
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#Background Tab
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#
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@ -372,7 +371,7 @@ class AmendThemeForm(QtGui.QDialog, Ui_AmendThemeDialog):
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else:
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self.theme.background_mode = u'transparent'
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self.stateChanging(self.theme)
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self.previewTheme(self.theme)
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self.previewTheme()
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def onBackgroundTypeComboBoxSelected(self, currentIndex):
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self.setBackground(currentIndex, self.GradientComboBox.currentIndex())
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@ -397,7 +396,7 @@ class AmendThemeForm(QtGui.QDialog, Ui_AmendThemeDialog):
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else:
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self.theme.background_type = u'image'
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self.stateChanging(self.theme)
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self.previewTheme(self.theme)
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self.previewTheme()
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def onColor1PushButtonClicked(self):
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if self.theme.background_type == u'solid':
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@ -412,14 +411,14 @@ class AmendThemeForm(QtGui.QDialog, Ui_AmendThemeDialog):
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u'background-color: %s' % \
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unicode(self.theme.background_startColor))
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self.previewTheme(self.theme)
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self.previewTheme()
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def onColor2PushButtonClicked(self):
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self.theme.background_endColor = QtGui.QColorDialog.getColor(
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QtGui.QColor(self.theme.background_endColor), self).name()
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self.Color2PushButton.setStyleSheet(
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u'background-color: %s' % unicode(self.theme.background_endColor))
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self.previewTheme(self.theme)
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self.previewTheme()
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#
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#Other Tab
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#
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@ -429,14 +428,14 @@ class AmendThemeForm(QtGui.QDialog, Ui_AmendThemeDialog):
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else:
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self.theme.display_outline = False
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self.stateChanging(self.theme)
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self.previewTheme(self.theme)
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self.previewTheme()
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def onOutlineColorPushButtonClicked(self):
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self.theme.display_outline_color = QtGui.QColorDialog.getColor(
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QtGui.QColor(self.theme.display_outline_color), self).name()
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self.OutlineColorPushButton.setStyleSheet(
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u'background-color: %s' % unicode(self.theme.display_outline_color))
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self.previewTheme(self.theme)
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self.previewTheme()
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def onShadowCheckBoxChanged(self, value):
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if value == 2: # checked
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@ -444,24 +443,24 @@ class AmendThemeForm(QtGui.QDialog, Ui_AmendThemeDialog):
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else:
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self.theme.display_shadow = False
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self.stateChanging(self.theme)
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self.previewTheme(self.theme)
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self.previewTheme()
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def onShadowColorPushButtonClicked(self):
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self.theme.display_shadow_color = QtGui.QColorDialog.getColor(
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QtGui.QColor(self.theme.display_shadow_color), self).name()
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self.ShadowColorPushButton.setStyleSheet(
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u'background-color: %s' % unicode(self.theme.display_shadow_color))
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self.previewTheme(self.theme)
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self.previewTheme()
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def onHorizontalComboBoxSelected(self, currentIndex):
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self.theme.display_horizontalAlign = currentIndex
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self.stateChanging(self.theme)
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self.previewTheme(self.theme)
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self.previewTheme()
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def onVerticalComboBoxSelected(self, currentIndex):
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self.theme.display_verticalAlign = currentIndex
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self.stateChanging(self.theme)
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self.previewTheme(self.theme)
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self.previewTheme()
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#
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#Local Methods
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#
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@ -654,18 +653,10 @@ class AmendThemeForm(QtGui.QDialog, Ui_AmendThemeDialog):
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else:
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self.ShadowColorPushButton.setEnabled(False)
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def previewTheme(self, theme):
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def previewTheme(self):
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if self.allowPreview:
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#calculate main number of rows
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main_weight = 50
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if self.theme.font_main_weight == u'Bold':
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main_weight = 75
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mainFont = QtGui.QFont(self.theme.font_main_name,
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self.theme.font_main_proportion, # size
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main_weight, # weight
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self.theme.font_main_italics)# italic
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mainFont.setPixelSize(self.theme.font_main_proportion)
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metrics = QtGui.QFontMetrics(mainFont)
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metrics = self._getThemeMetrics()
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page_length = \
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(self.FontMainHeightSpinBox.value() / metrics.height() - 2) - 1
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log.debug(u'Page Length area height %s, metrics %s, lines %s' %
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@ -673,6 +664,22 @@ class AmendThemeForm(QtGui.QDialog, Ui_AmendThemeDialog):
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page_length))
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page_length_text = unicode(self.trUtf8(u'Slide Height is %s rows'))
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self.FontMainLinesPageLabel.setText(page_length_text % page_length)
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frame = self.thememanager.generateImage(theme)
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#a=c
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frame = self.thememanager.generateImage(self.theme)
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self.ThemePreview.setPixmap(QtGui.QPixmap.fromImage(frame))
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def _getThemeMetrics(self):
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main_weight = 50
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if self.theme.font_main_weight == u'Bold':
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main_weight = 75
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mainFont = QtGui.QFont(self.theme.font_main_name,
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self.theme.font_main_proportion, # size
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main_weight, # weight
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self.theme.font_main_italics)# italic
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mainFont.setPixelSize(self.theme.font_main_proportion)
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metrics = QtGui.QFontMetrics(mainFont)
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#Validate that the screen width is big enough to display the text
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if self.theme.font_main_width < metrics.maxWidth() * 2 + 64:
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self.theme.font_main_width = metrics.maxWidth() * 2 + 64
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self.FontMainWidthSpinBox.setValue(self.theme.font_main_width)
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return metrics
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@ -584,7 +584,7 @@ class MainWindow(QtGui.QMainWindow, Ui_MainWindow):
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self.trUtf8(u'The Main Display has been blanked out'),
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QtGui.QMessageBox.StandardButtons(QtGui.QMessageBox.Ok),
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QtGui.QMessageBox.Ok)
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self.LiveController.blackPushButton.setChecked(True)
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#self.LiveController.blackPushButton.setChecked(True)
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def onHelpAboutItemClicked(self):
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"""
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