Files
photobooth/photobooth/camera/PictureDimensions.py
2018-08-22 01:38:48 +02:00

119 lines
3.6 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Photobooth - a flexible photo booth software
# Copyright (C) 2018 Balthasar Reuter <photobooth at re - web dot eu>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
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._skip_last = config.getBool('Picture', 'skip_last')
self.computeThumbnailDimensions()
self.computePreviewDimensions(config)
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)))
def computePreviewDimensions(self, config):
gui_size = (config.getInt('Gui', 'width'),
config.getInt('Gui', 'height'))
resize_factor = min(min((gui_size[i] / self.captureSize[i]
for i in range(2))), 1)
self._preview_size = tuple(int(self.captureSize[i] * resize_factor)
for i in range(2))
@property
def numPictures(self):
return self._num_pictures
@property
def totalNumPictures(self):
return max(self._num_pictures[0] * self._num_pictures[1] -
int(self._skip_last), 1)
@property
def skipLast(self):
return self._skip_last
@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
@property
def previewSize(self):
return self._preview_size