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Remove transparent error: QImage::scaled: Image is a null image

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This commit is contained in:
Jonathan Corwin 2010-03-22 23:50:32 +00:00
parent 4e8b3e29bc
commit 8524bf9174
2 changed files with 11 additions and 8 deletions
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5
openlp/core/lib/__init__.py
View File

@ -144,8 +144,9 @@ def resize_image(image, width, height):
The image to resize.
"""
preview = QtGui.QImage(image)
preview = preview.scaled(width, height, QtCore.Qt.KeepAspectRatio,
QtCore.Qt.SmoothTransformation)
if not preview.isNull():
preview = preview.scaled(width, height, QtCore.Qt.KeepAspectRatio,
QtCore.Qt.SmoothTransformation)
realw = preview.width()
realh = preview.height()
# and move it to the centre of the preview space

14
openlp/core/ui/themestab.py
View File

@ -159,9 +159,10 @@ class ThemesTab(SettingsTab):
image = self.parent.ThemeManagerContents.getPreviewImage(
self.global_theme)
preview = QtGui.QPixmap(unicode(image))
display = preview.scaled(300, 255, QtCore.Qt.KeepAspectRatio,
QtCore.Qt.SmoothTransformation)
self.DefaultListView.setPixmap(display)
if not preview.isNull():
preview = preview.scaled(300, 255, QtCore.Qt.KeepAspectRatio,
QtCore.Qt.SmoothTransformation)
self.DefaultListView.setPixmap(preview)
def updateThemeList(self, theme_list):
"""
@ -184,6 +185,7 @@ class ThemesTab(SettingsTab):
image = self.parent.ThemeManagerContents.getPreviewImage(
self.global_theme)
preview = QtGui.QPixmap(unicode(image))
display = preview.scaled(300, 255, QtCore.Qt.KeepAspectRatio,
QtCore.Qt.SmoothTransformation)
self.DefaultListView.setPixmap(display)
if not preview.isNull():
preview = preview.scaled(300, 255, QtCore.Qt.KeepAspectRatio,
QtCore.Qt.SmoothTransformation)
self.DefaultListView.setPixmap(preview)