Files
photobooth/photobooth/PictureDimensions.py
2018-05-24 23:25:32 +02:00

77 lines
2.1 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
class PictureDimensions:
def __init__(self, config, capture_size):
self._num_pictures = (config.getInt('Picture', 'num_x'),
config.getInt('Picture', 'num_y'))
self._capture_size = capture_size
self._output_size = (config.getInt('Picture', 'size_x'),
config.getInt('Picture', 'size_y'))
self._min_distance = (config.getInt('Picture', 'min_dist_x'),
config.getInt('Picture', 'min_dist_y'))
self.computeThumbnailDimensions()
def computeThumbnailDimensions(self):
resize_factor = min((((self.outputSize[i] - (self.numPictures[i] + 1) *
self.minDistance[i]) /
(self.numPictures[i] * self.captureSize[i]))
for i in range(2)))
self._thumb_size = tuple(int(self.captureSize[i] * resize_factor)
for i in range(2))
thumb_dist = tuple((self.outputSize[i] - self.numPictures[i] *
self.thumbnailSize[i]) // (self.numPictures[i] + 1)
for i in range(2))
self._thumb_offsets = []
for i in range(self.totalNumPictures):
pos = (i % self.numPictures[0], i // self.numPictures[0])
self._thumb_offsets.append(tuple((pos[j] + 1) * thumb_dist[j] +
pos[j] * self.thumbnailSize[j]
for j in range(2)))
@property
def numPictures(self):
return self._num_pictures
@property
def totalNumPictures(self):
return self._num_pictures[0] * self._num_pictures[1]
@property
def captureSize(self):
return self._capture_size
@property
def outputSize(self):
return self._output_size
@property
def minDistance(self):
return self._min_distance
@property
def thumbnailSize(self):
return self._thumb_size
@property
def thumbnailOffset(self):
return self._thumb_offsets