def conditional_sharpen( self, amount, radius, luminance_only, resize_ratio_threshold): width, height = self.engine.size try: original_width = self.context.request.source_width except AttributeError: original_width = self.engine.source_width try: original_height = self.context.request.source_height except AttributeError: original_height = self.engine.source_height mode, data = self.engine.image_data_as_rgb() source_sum = float(original_width + original_height) destination_sum = float(width + height) resize_ratio = destination_sum / source_sum if resize_ratio < resize_ratio_threshold: imgdata = _sharpen.apply( mode, width, height, amount, radius, luminance_only, data ) self.engine.set_image_data(imgdata)
def sharpen(self, amount, radius, luminance_only): width, height = self.engine.size imgdata = _sharpen.apply( self.engine.get_image_mode(), width, height, amount, radius, luminance_only, self.engine.get_image_data() ) self.engine.set_image_data(imgdata)
def sharpen(self, amount, radius, luminance_only): width, height = self.engine.size mode, data = self.engine.image_data_as_rgb() imgdata = _sharpen.apply( mode, width, height, amount, radius, luminance_only, data ) self.engine.set_image_data(imgdata)
def sharpen(self, amount, radius, luminance_only): width, height = self.engine.size mode, data = self.engine.image_data_as_rgb() imgdata = _sharpen.apply( mode.encode('utf-8'), width, height, amount, radius, luminance_only, data ) self.engine.set_image_data(imgdata)