# -*- coding: utf-8 -*- """ Copyright (c) 2011, Daniele Esposti All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * The name of the contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. """ from PIL import Image from webm import encode from webm.handlers import BitmapHandler, WebPHandler from webm.tests.common import (IMAGE_WIDTH, IMAGE_HEIGHT, PNG_BITMAP_DATA, ENCODE_FILENAME) try: import unittest2 as unittest except ImportError: import unittest class WebPEncodeTests(unittest.TestCase): """ WebPEncode test cases """ def test_encode_RGB(self): """ Test the EncodeRGB() method """ image = BitmapHandler( PNG_BITMAP_DATA, BitmapHandler.RGB, IMAGE_WIDTH, IMAGE_HEIGHT, IMAGE_WIDTH * 3 ) result = encode.EncodeRGB(image) self.assertTrue(isinstance(result, WebPHandler)) self.assertEqual(result.width, IMAGE_WIDTH) self.assertEqual(result.height, IMAGE_HEIGHT) def test_encode_RGBA(self): """ Test the EncodeRGBA() method """ # Convert to RGBA size = IMAGE_WIDTH * IMAGE_HEIGHT bitmap = bytearray(size * 4) for i in range(size): bitmap[ i * 4 ] = PNG_BITMAP_DATA[ i * 3 ] bitmap[ i * 4 + 1 ] = PNG_BITMAP_DATA[ i * 3 + 1 ] bitmap[ i * 4 + 2 ] = PNG_BITMAP_DATA[ i * 3 + 2 ] image = BitmapHandler( bitmap, BitmapHandler.RGBA, IMAGE_WIDTH, IMAGE_HEIGHT, IMAGE_WIDTH * 4 ) # Encode image result = encode.EncodeRGB(image) self.assertTrue(isinstance(result, WebPHandler)) self.assertEqual(result.width, IMAGE_WIDTH) self.assertEqual(result.height, IMAGE_HEIGHT) def test_encode_BGRA(self): """ Test the EncodeBGRA() method """ # Convert to RGBA size = IMAGE_WIDTH * IMAGE_HEIGHT bitmap = bytearray(size * 4) for i in range(size): bitmap[ i * 4 ] = PNG_BITMAP_DATA[ i * 3 + 2 ] bitmap[ i * 4 + 1 ] = PNG_BITMAP_DATA[ i * 3 + 1 ] bitmap[ i * 4 + 2 ] = PNG_BITMAP_DATA[ i * 3 ] image = BitmapHandler( bitmap, BitmapHandler.BGRA, IMAGE_WIDTH, IMAGE_HEIGHT, IMAGE_WIDTH * 4 ) # Encode image result = encode.EncodeBGRA(image) self.assertTrue(isinstance(result, WebPHandler)) self.assertEqual(result.width, IMAGE_WIDTH) self.assertEqual(result.height, IMAGE_HEIGHT) def test_encode_BGR(self): """ Test the EncodeBGR() method """ # Convert to RGBA size = IMAGE_WIDTH * IMAGE_HEIGHT bitmap = bytearray(size * 4) for i in range(size): bitmap[ i * 4 ] = PNG_BITMAP_DATA[ i * 3 + 2 ] bitmap[ i * 4 + 1 ] = PNG_BITMAP_DATA[ i * 3 + 1 ] bitmap[ i * 4 + 2 ] = PNG_BITMAP_DATA[ i * 3 ] image = BitmapHandler( bitmap, BitmapHandler.BGRA, IMAGE_WIDTH, IMAGE_HEIGHT, IMAGE_WIDTH * 4 ) # Encode image result = encode.EncodeBGRA(image) self.assertTrue(isinstance(result, WebPHandler)) self.assertEqual(result.width, IMAGE_WIDTH) self.assertEqual(result.height, IMAGE_HEIGHT) def test_output_RGB(self): """ Export EncodeRGB() method result to file """ image = BitmapHandler( PNG_BITMAP_DATA, BitmapHandler.RGB, IMAGE_WIDTH, IMAGE_HEIGHT, IMAGE_WIDTH * 3 ) result = encode.EncodeRGB(image) file(ENCODE_FILENAME.format("RGB"), "wb").write(result.data) def test_output_RGBA(self): """ Export EncodeRGBA() method result to file """ # Convert to RGBA size = IMAGE_WIDTH * IMAGE_HEIGHT bitmap = bytearray(size * 4) for i in range(size): bitmap[ i * 4 ] = PNG_BITMAP_DATA[ i * 3 ] bitmap[ i * 4 + 1 ] = PNG_BITMAP_DATA[ i * 3 + 1 ] bitmap[ i * 4 + 2 ] = PNG_BITMAP_DATA[ i * 3 + 2 ] image = BitmapHandler( bitmap, BitmapHandler.RGBA, IMAGE_WIDTH, IMAGE_HEIGHT, IMAGE_WIDTH * 4 ) # Save image result = encode.EncodeRGBA(image) file(ENCODE_FILENAME.format("RGBA"), "wb").write(result.data) def test_output_BGRA(self): """ Export EncodeBGRA() method result to file """ # Convert to RGBA size = IMAGE_WIDTH * IMAGE_HEIGHT bitmap = bytearray(size * 4) for i in range(size): bitmap[ i * 4 ] = PNG_BITMAP_DATA[ i * 3 + 2 ] bitmap[ i * 4 + 1 ] = PNG_BITMAP_DATA[ i * 3 + 1 ] bitmap[ i * 4 + 2 ] = PNG_BITMAP_DATA[ i * 3 ] image = BitmapHandler( bitmap, BitmapHandler.BGRA, IMAGE_WIDTH, IMAGE_HEIGHT, IMAGE_WIDTH * 4 ) # Save image result = encode.EncodeBGRA(image) file(ENCODE_FILENAME.format("BGRA"), "wb").write(result.data) def test_output_BGR(self): """ Export EncodeBGR() method result to file """ # Convert to RGBA size = IMAGE_WIDTH * IMAGE_HEIGHT bitmap = bytearray(size * 3) for i in range(size): bitmap[ i * 3 ] = PNG_BITMAP_DATA[ i * 3 + 2 ] bitmap[ i * 3 + 1 ] = PNG_BITMAP_DATA[ i * 3 + 1 ] bitmap[ i * 3 + 2 ] = PNG_BITMAP_DATA[ i * 3 ] image = BitmapHandler( bitmap, BitmapHandler.BGR, IMAGE_WIDTH, IMAGE_HEIGHT, IMAGE_WIDTH * 3 ) # Save image result = encode.EncodeBGR(image) file(ENCODE_FILENAME.format("BGR"), "wb").write(result.data)