#!/usr/bin/env python # -*- coding: utf-8 -*- import os, mapnik from nose.tools import eq_ from utilities import execution_path, run_all def setup(): # All of the paths used are relative, if we run the tests # from another directory we need to chdir() os.chdir(execution_path('.')) def test_tiff_round_trip_scanline(): filepath = '/tmp/mapnik-tiff-io-scanline.tiff' im = mapnik.Image(255,267) im.background = mapnik.Color('rgba(1,2,3,.5)') org_str = len(im.tostring()) im.save(filepath,'tiff:method=scanline') im2 = mapnik.Image.open(filepath) im3 = mapnik.Image.fromstring(open(filepath,'r').read()) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(im.width(),im3.width()) eq_(im.height(),im3.height()) eq_(len(im.tostring()), org_str) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=scanline')),len(im2.tostring('tiff:method=scanline'))) eq_(len(im.tostring()),len(im3.tostring())) eq_(len(im.tostring('tiff:method=scanline')),len(im3.tostring('tiff:method=scanline'))) def test_tiff_round_trip_stripped(): filepath = '/tmp/mapnik-tiff-io-stripped.tiff' im = mapnik.Image(255,267) im.background = mapnik.Color('rgba(1,2,3,.5)') org_str = len(im.tostring()) im.save(filepath,'tiff:method=stripped') im2 = mapnik.Image.open(filepath) im3 = mapnik.Image.fromstring(open(filepath,'r').read()) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(im.width(),im3.width()) eq_(im.height(),im3.height()) eq_(len(im.tostring()), org_str) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=stripped')),len(im2.tostring('tiff:method=stripped'))) eq_(len(im.tostring()),len(im3.tostring())) eq_(len(im.tostring('tiff:method=stripped')),len(im3.tostring('tiff:method=stripped'))) def test_tiff_round_trip_rows_stripped(): filepath = '/tmp/mapnik-tiff-io-stripped.tiff' im = mapnik.Image(255,267) im.background = mapnik.Color('rgba(1,2,3,.5)') org_str = len(im.tostring()) im.save(filepath,'tiff:method=stripped:rows_per_strip=8') im2 = mapnik.Image.open(filepath) im3 = mapnik.Image.fromstring(open(filepath,'r').read()) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(im.width(),im3.width()) eq_(im.height(),im3.height()) eq_(len(im.tostring()), org_str) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=stripped:rows_per_strip=8')),len(im2.tostring('tiff:method=stripped:rows_per_strip=8'))) eq_(len(im.tostring()),len(im3.tostring())) eq_(len(im.tostring('tiff:method=stripped:rows_per_strip=8')),len(im3.tostring('tiff:method=stripped:rows_per_strip=8'))) def test_tiff_round_trip_buffered_tiled(): filepath = '/tmp/mapnik-tiff-io-buffered-tiled.tiff' filepath2 = '/tmp/mapnik-tiff-io-buffered-tiled2.tiff' im = mapnik.Image(255,267) #im = mapnik.Image(256,256) im.background = mapnik.Color('rgba(1,2,3,.5)') im.save(filepath,'tiff:method=tiled:tile_width=32:tile_height=32') im2 = mapnik.Image.open(filepath) im3 = mapnik.Image.fromstring(open(filepath,'r').read()) im2.save(filepath2, 'tiff:method=tiled:tile_width=32:tile_height=32') im4 = mapnik.Image.open(filepath2) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(im.width(),im3.width()) eq_(im.height(),im3.height()) eq_(len(im2.tostring()),len(im4.tostring())) eq_(len(im2.tostring('tiff:method=tiled:tile_width=32:tile_height=32')),len(im4.tostring('tiff:method=tiled:tile_width=32:tile_height=32'))) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=tiled:tile_width=32:tile_height=32')),len(im2.tostring('tiff:method=tiled:tile_width=32:tile_height=32'))) eq_(len(im.tostring()),len(im3.tostring())) eq_(len(im.tostring('tiff:method=tiled:tile_width=32:tile_height=32')),len(im3.tostring('tiff:method=tiled:tile_width=32:tile_height=32'))) def test_tiff_round_trip_tiled(): filepath = '/tmp/mapnik-tiff-io-tiled.tiff' im = mapnik.Image(256,256) im.background = mapnik.Color('rgba(1,2,3,.5)') im.save(filepath,'tiff:method=tiled') im2 = mapnik.Image.open(filepath) im3 = mapnik.Image.fromstring(open(filepath,'r').read()) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(im.width(),im3.width()) eq_(im.height(),im3.height()) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=tiled')),len(im2.tostring('tiff:method=tiled'))) eq_(len(im.tostring()),len(im3.tostring())) eq_(len(im.tostring('tiff:method=tiled')),len(im3.tostring('tiff:method=tiled'))) def test_tiff_rgb8_compare(): filepath1 = '../data/tiff/ndvi_256x256_rgb8_striped.tif' filepath2 = '/tmp/mapnik-tiff-rgb8.tiff' im = mapnik.Image.open(filepath1) im.save(filepath2,'tiff') im2 = mapnik.Image.open(filepath2) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff')),len(im2.tostring('tiff'))) # should not be a blank image eq_(len(im.tostring("png")) != len(mapnik.Image(im.width(),im.height()).tostring("png")),True) def test_tiff_rgba8_compare_scanline(): filepath1 = '../data/tiff/ndvi_256x256_rgba8_striped.tif' filepath2 = '/tmp/mapnik-tiff-rgba8-scanline.tiff' im = mapnik.Image.open(filepath1) im.save(filepath2,'tiff:method=scanline') im2 = mapnik.Image.open(filepath2) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=scanline')),len(im2.tostring('tiff:method=scanline'))) # should not be a blank image eq_(len(im.tostring("png")) != len(mapnik.Image(im.width(),im.height()).tostring("png")),True) def test_tiff_rgba8_compare_stripped(): filepath1 = '../data/tiff/ndvi_256x256_rgba8_striped.tif' filepath2 = '/tmp/mapnik-tiff-rgba8-stripped.tiff' im = mapnik.Image.open(filepath1) im.save(filepath2,'tiff:method=stripped') im2 = mapnik.Image.open(filepath2) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=stripped')),len(im2.tostring('tiff:method=stripped'))) # should not be a blank image eq_(len(im.tostring("png")) != len(mapnik.Image(im.width(),im.height()).tostring("png")),True) def test_tiff_rgba8_compare_tiled(): filepath1 = '../data/tiff/ndvi_256x256_rgba8_striped.tif' filepath2 = '/tmp/mapnik-tiff-rgba8-stripped.tiff' im = mapnik.Image.open(filepath1) im.save(filepath2,'tiff:method=tiled') im2 = mapnik.Image.open(filepath2) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=tiled')),len(im2.tostring('tiff:method=tiled'))) # should not be a blank image eq_(len(im.tostring("png")) != len(mapnik.Image(im.width(),im.height()).tostring("png")),True) def test_tiff_gray8_compare_scanline(): filepath1 = '../data/tiff/ndvi_256x256_gray8_striped.tif' filepath2 = '/tmp/mapnik-tiff-gray8-scanline.tiff' im = mapnik.Image.open(filepath1) im.save(filepath2,'tiff:method=scanline') im2 = mapnik.Image.open(filepath2) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=scanline')),len(im2.tostring('tiff:method=scanline'))) def test_tiff_gray8_compare_stripped(): filepath1 = '../data/tiff/ndvi_256x256_gray8_striped.tif' filepath2 = '/tmp/mapnik-tiff-gray8-stripped.tiff' im = mapnik.Image.open(filepath1) im.save(filepath2,'tiff:method=stripped') im2 = mapnik.Image.open(filepath2) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=stripped')),len(im2.tostring('tiff:method=stripped'))) def test_tiff_gray8_compare_tiled(): filepath1 = '../data/tiff/ndvi_256x256_gray8_striped.tif' filepath2 = '/tmp/mapnik-tiff-gray8-tiled.tiff' im = mapnik.Image.open(filepath1) im.save(filepath2,'tiff:method=tiled') im2 = mapnik.Image.open(filepath2) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=tiled')),len(im2.tostring('tiff:method=tiled'))) def test_tiff_gray16_compare_scanline(): filepath1 = '../data/tiff/ndvi_256x256_gray16_striped.tif' filepath2 = '/tmp/mapnik-tiff-gray16-scanline.tiff' im = mapnik.Image.open(filepath1) im.save(filepath2,'tiff:method=scanline') im2 = mapnik.Image.open(filepath2) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=scanline')),len(im2.tostring('tiff:method=scanline'))) def test_tiff_gray16_compare_stripped(): filepath1 = '../data/tiff/ndvi_256x256_gray16_striped.tif' filepath2 = '/tmp/mapnik-tiff-gray16-stripped.tiff' im = mapnik.Image.open(filepath1) im.save(filepath2,'tiff:method=stripped') im2 = mapnik.Image.open(filepath2) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=stripped')),len(im2.tostring('tiff:method=stripped'))) def test_tiff_gray16_compare_tiled(): filepath1 = '../data/tiff/ndvi_256x256_gray16_striped.tif' filepath2 = '/tmp/mapnik-tiff-gray16-tiled.tiff' im = mapnik.Image.open(filepath1) im.save(filepath2,'tiff:method=tiled') im2 = mapnik.Image.open(filepath2) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=tiled')),len(im2.tostring('tiff:method=tiled'))) def test_tiff_gray32f_compare_scanline(): filepath1 = '../data/tiff/ndvi_256x256_gray32f_striped.tif' filepath2 = '/tmp/mapnik-tiff-gray32f-scanline.tiff' im = mapnik.Image.open(filepath1) im.save(filepath2,'tiff:method=scanline') im2 = mapnik.Image.open(filepath2) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=scanline')),len(im2.tostring('tiff:method=scanline'))) def test_tiff_gray32f_compare_stripped(): filepath1 = '../data/tiff/ndvi_256x256_gray32f_striped.tif' filepath2 = '/tmp/mapnik-tiff-gray32f-stripped.tiff' im = mapnik.Image.open(filepath1) im.save(filepath2,'tiff:method=stripped') im2 = mapnik.Image.open(filepath2) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=stripped')),len(im2.tostring('tiff:method=stripped'))) def test_tiff_gray32f_compare_tiled(): filepath1 = '../data/tiff/ndvi_256x256_gray32f_striped.tif' filepath2 = '/tmp/mapnik-tiff-gray32f-tiled.tiff' im = mapnik.Image.open(filepath1) im.save(filepath2,'tiff:method=tiled') im2 = mapnik.Image.open(filepath2) eq_(im.width(),im2.width()) eq_(im.height(),im2.height()) eq_(len(im.tostring()),len(im2.tostring())) eq_(len(im.tostring('tiff:method=tiled')),len(im2.tostring('tiff:method=tiled'))) if __name__ == "__main__": setup() exit(run_all(eval(x) for x in dir() if x.startswith("test_")))