def __init__(self, app, image_data, parent=None):
""" Image_data contains: {name, mediapath, owner, id, date, memo, fulltext}
"""
sys.excepthook = exception_handler
self.app = app
self.image_data = image_data
QtWidgets.QDialog.__init__(self)
self.ui = Ui_Dialog_view_image()
self.ui.setupUi(self)
try:
w = int(self.app.settings['dialogviewimage_w'])
h = int(self.app.settings['dialogviewimage_h'])
if h > 50 and w > 50:
self.resize(w, h)
except:
pass
font = 'font: ' + str(self.app.settings['fontsize']) + 'pt '
font += '"' + self.app.settings['font'] + '";'
self.setStyleSheet(font)
self.setWindowTitle(self.image_data['mediapath'])
try:
source = self.app.project_path + self.image_data['mediapath']
except Exception as e:
mb = QtWidgets.QMessageBox()
mb.setStyleSheet("* {font-size:" +
str(self.app.settings['fontsize']) + "pt} ")
mb.setWindowTitle(_('Image error'))
mb.setText(_("Image file not found: ") + source + "\n" + str(e))
mb.exec_()
image = QtGui.QImage(source)
if image.isNull():
mb = QtWidgets.QMessageBox()
mb.setStyleSheet("* {font-size:" +
str(self.app.settings['fontsize']) + "pt} ")
mb.setWindowTitle(_('Image error'))
mb.setText(_("Cannot open: ") + source)
mb.exec_()
self.close()
return
self.pixmap = QtGui.QPixmap.fromImage(image)
self.label = QtWidgets.QLabel()
self.label.setSizePolicy(QtWidgets.QSizePolicy.Ignored,
QtWidgets.QSizePolicy.Ignored)
self.label.setFixedWidth(self.pixmap.width())
self.label.setFixedHeight(self.pixmap.height())
self.label.setScaledContents(True)
self.label.setPixmap(self.pixmap)
self.ui.scrollArea.setWidget(self.label)
self.ui.horizontalSlider.valueChanged[int].connect(self.change_scale)
self.ui.textEdit.setText(self.image_data['memo'])
def __init__(self, settings, image_data, parent=None):
''' Image_data contains: {name, imagepath, owner, id, date, memo, fulltext}
'''
sys.excepthook = exception_handler
self.settings = settings
self.image_data = image_data
QtWidgets.QDialog.__init__(self)
self.ui = Ui_Dialog_view_image()
self.ui.setupUi(self)
newfont = QtGui.QFont(settings['font'], settings['fontsize'],
QtGui.QFont.Normal)
self.setFont(newfont)
self.setWindowTitle("Image: " + self.image_data['name'])
try:
source = self.settings['path'] + "/images/" + self.image_data[
'name']
except Exception as e:
QtWidgets.QMessageBox.warning(
None, "Image error", "Image file not found. %s\n" + str(e),
source)
image = QtGui.QImage(source)
if image.isNull():
QtWidgets.QMessageBox.warming(None, "Immage Error",
"Cannot open %s." % source)
self.close()
return
self.pixmap = QtGui.QPixmap.fromImage(image)
self.label = QtWidgets.QLabel()
self.label.setSizePolicy(QtWidgets.QSizePolicy.Ignored,
QtWidgets.QSizePolicy.Ignored)
self.label.setFixedWidth(self.pixmap.width())
self.label.setFixedHeight(self.pixmap.height())
self.label.setScaledContents(True)
self.label.setPixmap(self.pixmap)
self.ui.scrollArea.setWidget(self.label)
self.ui.horizontalSlider.valueChanged[int].connect(self.change_scale)
self.ui.textEdit.setText(self.image_data['memo'])
class DialogViewImage(QtWidgets.QDialog):
""" View image. View and edit displayed memo.
Show a scaleable and scrollable image.
The slider values range from 10 to 99.
"""
app = None
image_data = None
pixmap = None
label = None
def __init__(self, app, image_data, parent=None):
""" Image_data contains: {name, mediapath, owner, id, date, memo, fulltext}
"""
sys.excepthook = exception_handler
self.app = app
self.image_data = image_data
QtWidgets.QDialog.__init__(self)
self.ui = Ui_Dialog_view_image()
self.ui.setupUi(self)
try:
w = int(self.app.settings['dialogviewimage_w'])
h = int(self.app.settings['dialogviewimage_h'])
if h > 50 and w > 50:
self.resize(w, h)
except:
pass
font = 'font: ' + str(self.app.settings['fontsize']) + 'pt '
font += '"' + self.app.settings['font'] + '";'
self.setStyleSheet(font)
self.setWindowTitle(self.image_data['mediapath'])
try:
source = self.app.project_path + self.image_data['mediapath']
except Exception as e:
mb = QtWidgets.QMessageBox()
mb.setStyleSheet("* {font-size:" +
str(self.app.settings['fontsize']) + "pt} ")
mb.setWindowTitle(_('Image error'))
mb.setText(_("Image file not found: ") + source + "\n" + str(e))
mb.exec_()
image = QtGui.QImage(source)
if image.isNull():
mb = QtWidgets.QMessageBox()
mb.setStyleSheet("* {font-size:" +
str(self.app.settings['fontsize']) + "pt} ")
mb.setWindowTitle(_('Image error'))
mb.setText(_("Cannot open: ") + source)
mb.exec_()
self.close()
return
self.pixmap = QtGui.QPixmap.fromImage(image)
self.label = QtWidgets.QLabel()
self.label.setSizePolicy(QtWidgets.QSizePolicy.Ignored,
QtWidgets.QSizePolicy.Ignored)
self.label.setFixedWidth(self.pixmap.width())
self.label.setFixedHeight(self.pixmap.height())
self.label.setScaledContents(True)
self.label.setPixmap(self.pixmap)
self.ui.scrollArea.setWidget(self.label)
self.ui.horizontalSlider.valueChanged[int].connect(self.change_scale)
self.ui.textEdit.setText(self.image_data['memo'])
def closeEvent(self, event):
""" Save dialog and splitter dimensions. """
self.app.settings['dialogviewimage_w'] = self.size().width()
self.app.settings['dialogviewimage_h'] = self.size().height()
def change_scale(self):
""" Resize image. Idea from:
https://github.com/baoboa/pyqt5/blob/master/examples/widgets/imageviewer.py
"""
scale = (self.ui.horizontalSlider.value() + 1) / 100
new_label = self.label.resize(scale * self.label.pixmap().size())
self.label.setFixedWidth(scale * self.pixmap.width())
self.label.setFixedHeight(scale * self.pixmap.height())
self.ui.scrollArea.setWidget(new_label)