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Renderer cleanup

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This commit is contained in:
Tim Bentley 2010-09-04 16:51:18 +01:00
parent 26bceb84b9
commit 62a031982e
1 changed files with 17 additions and 76 deletions
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83
openlp/core/lib/renderer.py
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@ -69,16 +69,6 @@ class Renderer(object):
self.theme_name = theme.theme_name
if theme.background_type == u'image':
if theme.background_filename:
self.set_bg_image(theme.background_filename)
def set_bg_image(self, filename):
"""
Set a background image.
``filename``
The name of the image file.
"""
log.debug(u'set bg image %s', filename)
self._bg_image_filename = unicode(filename)
if self.frame:
self.bg_image = resize_image(self._bg_image_filename,
@ -99,7 +89,7 @@ class Renderer(object):
self._rect = rect_main
self._rect_footer = rect_footer
def set_frame_dest(self, frame_width, frame_height, preview=False):
def set_frame_dest(self, frame_width, frame_height):
"""
Set the size of the slide.
@ -109,11 +99,7 @@ class Renderer(object):
``frame_height``
The height of the slide.
``preview``
Defaults to *False*. Whether or not to generate a preview.
"""
if preview:
self.bg_frame = None
log.debug(u'set frame dest (frame) w %d h %d', frame_width,
frame_height)
self.frame = QtGui.QImage(frame_width, frame_height,
@ -121,8 +107,17 @@ class Renderer(object):
if self._bg_image_filename and not self.bg_image:
self.bg_image = resize_image(self._bg_image_filename,
self.frame.width(), self.frame.height())
if self.bg_frame is None:
self._generate_background_frame()
if self._theme.background_type == u'image':
self.bg_frame = QtGui.QImage(self.frame.width(),
self.frame.height(), QtGui.QImage.Format_ARGB32_Premultiplied)
painter = QtGui.QPainter()
painter.begin(self.bg_frame)
painter.fillRect(self.frame.rect(), QtCore.Qt.black)
if self.bg_image:
painter.drawImage(0, 0, self.bg_image)
painter.end()
else:
self.bg_frame = None
def format_slide(self, words, line_break):
"""
@ -180,57 +175,3 @@ class Renderer(object):
formatted.append(shell % old_html_text)
log.debug(u'format_slide - End')
return formatted
def _generate_background_frame(self):
"""
Generate a background frame to the same size as the frame to be used.
Results are cached for performance reasons.
"""
assert(self._theme)
self.bg_frame = QtGui.QImage(self.frame.width(),
self.frame.height(), QtGui.QImage.Format_ARGB32_Premultiplied)
log.debug(u'render background %s start', self._theme.background_type)
if self._theme.background_type == u'solid':
self.bg_frame = None
# painter.fillRect(self.frame.rect(),
# QtGui.QColor(self._theme.background_color))
elif self._theme.background_type == u'gradient':
self.bg_frame = None
# gradient
# gradient = None
# if self._theme.background_direction == u'horizontal':
# w = int(self.frame.width()) / 2
# # vertical
# gradient = QtGui.QLinearGradient(w, 0, w, self.frame.height())
# elif self._theme.background_direction == u'vertical':
# h = int(self.frame.height()) / 2
# # Horizontal
# gradient = QtGui.QLinearGradient(0, h, self.frame.width(), h)
# else:
# w = int(self.frame.width()) / 2
# h = int(self.frame.height()) / 2
# # Circular
# gradient = QtGui.QRadialGradient(w, h, w)
# gradient.setColorAt(0,
# QtGui.QColor(self._theme.background_startColor))
# gradient.setColorAt(1,
# QtGui.QColor(self._theme.background_endColor))
# painter.setBrush(QtGui.QBrush(gradient))
# rect_path = QtGui.QPainterPath()
# max_x = self.frame.width()
# max_y = self.frame.height()
# rect_path.moveTo(0, 0)
# rect_path.lineTo(0, max_y)
# rect_path.lineTo(max_x, max_y)
# rect_path.lineTo(max_x, 0)
# rect_path.closeSubpath()
# painter.drawPath(rect_path)
# painter.end()
elif self._theme.background_type == u'image':
# image
painter = QtGui.QPainter()
painter.begin(self.bg_frame)
painter.fillRect(self.frame.rect(), QtCore.Qt.black)
if self.bg_image:
painter.drawImage(0, 0, self.bg_image)
painter.end()