def add_image_data_resource(self, imgdata, imageFileName):
self.abuffer = QBuffer()
self.abuffer.open(QBuffer.ReadWrite)
self.abuffer.write(imgdata.getvalue())
self.abuffer.close()
self.abuffer.open(QBuffer.ReadOnly)
iReader = QImageReader(self.abuffer, img_format )
the_image = iReader.read()
# the_image = the_image0.scaledToWidth(figure_width)
# save the image in a file
# imageFileName = "image" + str(self.image_counter) + "." + img_format
self.image_data_dict[imageFileName] = imgdata
# self.image_counter +=1
imageFormat = QTextImageFormat()
imageFormat.setName(imageFileName)
imageFormat.setWidth(image_width)
self.image_dict[imageFileName] = the_image
#insert the image in the text document
text_doc = self._teditor.document()
text_doc.addResource(QTextDocument.ImageResource, QUrl(imageFileName), the_image)
def append_image(self, fig=None):
#This assumes that an image is there waiting to be saved from matplotlib
self.imgdata = StringIO.StringIO()
if fig is None:
pyplot.savefig(self.imgdata, transparent = False, format = img_format)
else:
fig.savefig(self.imgdata, transparent = False, format = img_format)
self.abuffer = QBuffer()
self.abuffer.open(QBuffer.ReadWrite)
self.abuffer.write(self.imgdata.getvalue())
self.abuffer.close()
self.abuffer.open(QBuffer.ReadOnly)
iReader = QImageReader(self.abuffer, img_format )
the_image = iReader.read()
# the_image = the_image0.scaledToWidth(figure_width)
# save the image in a file
imageFileName = "image" + str(self.image_counter) + "." + img_format
self.image_data_dict[imageFileName] = self.imgdata
self.image_counter +=1
imageFormat = QTextImageFormat()
imageFormat.setName(imageFileName)
imageFormat.setWidth(image_width)
self.image_dict[imageFileName] = the_image
#insert the image in the text document
text_doc = self._teditor.document()
text_doc.addResource(QTextDocument.ImageResource, QUrl(imageFileName), the_image)
cursor = self._teditor.textCursor()
cursor.movePosition(QTextCursor.End)
cursor.insertImage(imageFormat)
def _set_image(self, v):
if v != self._count:
self._count = v
if v in self._images:
pix = self._images[v]
else:
reader = QImageReader(self._path)
c = v % self._column_cnt
r = v / self._column_cnt
w, h = 22, 22
reader.setClipRect(QRect(c * w, r * h, w, h))
pix = QPixmap()
pix.convertFromImage(reader.read())
self._images[v] = pix
self.label.setPixmap(pix)
def load_icons(self):
for format in QImageReader.supportedImageFormats():
self.supported_image_formats.add('.' + str(format))
it = QDirIterator(":", QDirIterator.Subdirectories)
while it.hasNext():
path = it.next()
fn, ext = os.path.splitext(path)
if ext in self.supported_image_formats:
image = QImage(path)
self.icons.append(image)
self.paths.append(path)
def icon(name, extension=None, style=None, use_inheritance=True,
allow_theme=True, _always_return=True):
"""
Find an icon with the given ``name`` and ``extension`` and return a
:class:`PySide.QtGui.QIcon` for that icon.
================ =========== ============
Argument Default Description
================ =========== ============
name The name of the icon to load.
extension The desired filename extension of the icon to load. If this isn't set, a list of supported formats will be used.
style The style to load the icon from. If this isn't set, the current style will be assumed.
use_inheritance ``True`` Whether or not to search the parent style if the given style doesn't contain an icon.
allow_theme ``True`` Whether or not to fall back on Qt icon themes if an icon cannot be found.
================ =========== ============
"""
if style:
if isinstance(style, basestring):
style = addons.get('style', style)
elif not isinstance(style, StyleInfo):
raise TypeError("Can only activate StyleInfo instances!")
else:
style = _current_style
# If we don't have a style, return a null icon now.
if not style:
return QIcon()
# Right, time to find the icon.
if isinstance(extension, (tuple, list)):
extensions = extension
elif extension:
extensions = [extension]
else:
extensions = (str(ext) for ext in QImageReader.supportedImageFormats())
# Iteration powers, activate!
for ext in extensions:
filename = '%s.%s' % (name, ext)
icon_path = path.join('images', filename)
if style.path.exists(icon_path):
# We've got it, but what is it?
if (not isinstance(style.path_source, basestring) or
style.path_source.startswith('py:')):
# pkg_resource! Do things the fun and interesting way.
with style.path.open(icon_path) as f:
pixmap = QPixmap()
pixmap.loadFromData(f.read())
return QIcon(pixmap)
# Just a regular file. Open normally.
return QIcon(style.path.abspath(icon_path))
# Still here? We didn't find our icon then. If we're inheriting, then call
# icon again for the style we inherit from.
if use_inheritance and style.inherits:
for parent in style.inherits:
result = icon(name, extension, parent, True, False, False)
if result:
return result
# For one last try, see if we can use the theme icons.
if allow_theme and QIcon.hasThemeIcon(name):
return QIcon.fromTheme(name)
# We don't have an icon. Return a null QIcon.
if _always_return:
return QIcon()
