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Renderer - speed up adding to slide controller

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This commit is contained in:
Tim Bentley 2009-09-03 05:41:30 +01:00
parent 261351e27b
commit 555b9b92a5
2 changed files with 13 additions and 8 deletions
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6
openlp/core/lib/rendermanager.py
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@ -205,7 +205,7 @@ class RenderManager(object):
self.renderer.set_frame_dest(self.width, self.height) self.renderer.set_frame_dest(self.width, self.height)
return self.renderer.generate_frame_from_lines(main_text, footer_text) return self.renderer.generate_frame_from_lines(main_text, footer_text)
def resize_image(self, image): def resize_image(self, image, width = 0, height = 0):
""" """
Resize an image to fit on the current screen. Resize an image to fit on the current screen.
@ -213,8 +213,12 @@ class RenderManager(object):
The image to resize. The image to resize.
""" """
preview = QtGui.QImage(image) preview = QtGui.QImage(image)
if width == 0:
w = self.width w = self.width
h = self.height h = self.height
else:
w = width
h = height
preview = preview.scaled(w, h, QtCore.Qt.KeepAspectRatio, QtCore.Qt.SmoothTransformation) preview = preview.scaled(w, h, QtCore.Qt.KeepAspectRatio, QtCore.Qt.SmoothTransformation)
realw = preview.width(); realw = preview.width();
realh = preview.height() realh = preview.height()

11
openlp/core/ui/slidecontroller.py
View File

@ -21,7 +21,7 @@ import logging
import os import os
from PyQt4 import QtCore, QtGui from PyQt4 import QtCore, QtGui
from openlp.core.lib import OpenLPToolbar, translate, buildIcon, Receiver, ServiceType from openlp.core.lib import OpenLPToolbar, translate, buildIcon, Receiver, ServiceType, RenderManager
class SlideList(QtGui.QTableWidget): class SlideList(QtGui.QTableWidget):
""" """
@ -250,20 +250,21 @@ class SlideController(QtGui.QWidget):
""" """
log.debug(u'displayServiceManagerItems Start') log.debug(u'displayServiceManagerItems Start')
self.serviceitem = serviceitem self.serviceitem = serviceitem
slide_pixmap = QtGui.QPixmap.fromImage(self.serviceitem.frames[0][u'image']) slide_image = self.serviceitem.frames[0][u'image']
size = slide_image.size()
slide_width = 300 slide_width = 300
slide_height = slide_width * slide_pixmap.height() / slide_pixmap.width() slide_height = slide_width * size.height() / size.width()
self.PreviewListWidget.clear() self.PreviewListWidget.clear()
self.PreviewListWidget.setRowCount(0) self.PreviewListWidget.setRowCount(0)
self.PreviewListWidget.setColumnWidth(0, slide_width) self.PreviewListWidget.setColumnWidth(0, slide_width)
for framenumber, frame in enumerate(self.serviceitem.frames): for framenumber, frame in enumerate(self.serviceitem.frames):
self.PreviewListWidget.setRowCount(self.PreviewListWidget.rowCount() + 1) self.PreviewListWidget.setRowCount(self.PreviewListWidget.rowCount() + 1)
pixmap = QtGui.QPixmap.fromImage(frame[u'image']) pixmap = self.parent.RenderManager.resize_image(frame[u'image'], slide_width, slide_height)
item = QtGui.QTableWidgetItem() item = QtGui.QTableWidgetItem()
label = QtGui.QLabel() label = QtGui.QLabel()
label.setMargin(8) label.setMargin(8)
label.setScaledContents(True) label.setScaledContents(True)
label.setPixmap(pixmap) label.setPixmap(QtGui.QPixmap.fromImage(pixmap))
self.PreviewListWidget.setCellWidget(framenumber, 0, label) self.PreviewListWidget.setCellWidget(framenumber, 0, label)
self.PreviewListWidget.setItem(framenumber, 0, item) self.PreviewListWidget.setItem(framenumber, 0, item)
self.PreviewListWidget.setRowHeight(framenumber, slide_height) self.PreviewListWidget.setRowHeight(framenumber, slide_height)