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)