135 lines
3.5 KiB
Python
135 lines
3.5 KiB
Python
import os
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import Image
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class ImageManipulation():
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def __init__(self, main_window) :
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self.main_window = main_window
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self.mimes = ('image/png', 'image/jpeg', 'image/gif','image/bmp','image/tiff', )
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self.items = (
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{
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'label': 'Image manipulation',
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'submenu':
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(
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{
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'label':'Resize 25%',
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'data': 25,
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'callback': self.resize,
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},
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{
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'label':'Resize 50%',
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'data': 50,
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'callback': self.resize,
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},
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{
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'label':'Resize 75%',
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'data': 75,
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'callback': self.resize,
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},
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{
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'type': 'separator',
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},
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{
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'label': 'Rotate 90',
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'data': Image.ROTATE_90,
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'callback': self.transpose,
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},
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{
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'label': 'Rotate 180',
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'data': Image.ROTATE_180,
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'callback': self.transpose,
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},
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{
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'label': 'Rotate 270',
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'data': Image.ROTATE_270,
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'callback': self.transpose,
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},
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{
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'label': 'Flip left to rigth',
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'data': Image.FLIP_LEFT_RIGHT,
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'callback': self.transpose,
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},
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{
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'label': 'Flip top to bottom',
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'data': Image.FLIP_TOP_BOTTOM,
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'callback': self.transpose,
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},
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{
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'type': 'separator',
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},
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{
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'label': 'Convert',
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'submenu':
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(
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{
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'label': 'PNG',
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'data': 'png',
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'callback': self.convert,
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},
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{
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'label': 'JPEG',
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'data': 'JPEG',
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'callback': self.convert,
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},
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{
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'label': 'BMP',
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'data': 'bmp',
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'callback': self.convert,
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},
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{
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'label': 'TIFF',
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'data': 'tiff',
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'callback': self.convert,
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},
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{
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'label': 'GIF',
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'data': 'gif',
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'callback': self.convert,
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},
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)
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}
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)
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},
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)
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def get_selection_mimes(self):
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selections = self.main_window.get_active_object()._get_selection_list()
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is_subset = lambda x:self.main_window.associations_manager.get_mime_type(x) in self.mimes
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result = filter(is_subset, selections)
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return result
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def resize(self, widget, percent):
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for image in self.get_selection_mimes():
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try:
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im = Image.open(image)
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w,h = im.size
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im.resize(((percent*w)/100,(percent*h)/100), Image.ANTIALIAS).save(image)
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except IOError:
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print "cannot resize", image
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def transpose(self, widget, method):
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for image in self.get_selection_mimes():
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try:
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im = Image.open(image)
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im.transpose(method).save(image)
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except IOError:
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print "cannot rotate", image
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def convert(self, widget, format):
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for image in self.get_selection_mimes():
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try:
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im = Image.open(image)
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file_name = '{0}.{1}'.format(os.path.splitext(image)[0], format)
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im.save(file_name, format=format)
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except IOError:
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print "cannot convert", image
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def register_plugin(application):
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im = ImageManipulation(application)
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for item in im.items:
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application.register_popup_menu_action(im.mimes, application.menu_manager.create_menu_item(item))
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