#!/usr/bin/env python # -*- coding: utf-8 -*- import mapnik mapnik.logger.set_severity(mapnik.severity_type.None) import sys import os.path from compare import compare, compare_grids, summary, fail try: import json except ImportError: import simplejson as json visual_output_dir = "/tmp/mapnik-visual-images" defaults = { 'sizes': [(500, 100)], 'scales':[1.0,2.0] } sizes_many_in_big_range = [(800, 100), (600, 100), (400, 100), (300, 100), (250, 100), (150, 100), (100, 100)] sizes_few_square = [(800, 800), (600, 600), (400, 400), (200, 200)] sizes_many_in_small_range = [(490, 100), (495, 100), (497, 100), (498, 100), (499, 100), (500, 100), (501, 100), (502, 100), (505, 100), (510, 100)] default_text_box = mapnik.Box2d(-0.05, -0.01, 0.95, 0.01) dirname = os.path.dirname(__file__) files = [ {'name': "list", 'sizes': sizes_many_in_big_range,'bbox':default_text_box}, {'name': "simple", 'sizes': sizes_many_in_big_range,'bbox':default_text_box}, {'name': "lines-1", 'sizes': sizes_few_square,'bbox':default_text_box}, {'name': "lines-2", 'sizes': sizes_few_square,'bbox':default_text_box}, {'name': "lines-3", 'sizes': sizes_few_square,'bbox':default_text_box}, # https://github.com/mapnik/mapnik/issues/1696 # https://github.com/mapnik/mapnik/issues/1521 # fails with clang++ on os x #{'name': "lines-shield", 'sizes': sizes_few_square,'bbox':default_text_box}, {'name': "collision", 'sizes':[(600,400)]}, {'name': "marker-svg-opacity"}, {'name': "marker-multi-policy", 'sizes':[(600,400)]}, {'name': "marker-on-line", 'sizes':[(600,400)], 'bbox': mapnik.Box2d(-10, 0, 15, 20)}, {'name': "marker-on-line-spacing-eq-width", 'sizes':[(600,400)]}, {'name': "marker-on-line-spacing-eq-width-overlap", 'sizes':[(600,400)]}, {'name': "marker_line_placement_on_points"}, {'name': "marker-with-background-image", 'sizes':[(600,400),(400,600),(257,256)]}, {'name': "marker-with-background-image-and-hsla-transform", 'sizes':[(600,400),(400,600),(257,256)]}, {'name': "marker-on-hex-grid", 'sizes':[(600,400),(400,600),(257,256)]}, {'name': "whole-centroid", 'sizes':[(600,400)], 'bbox': mapnik.Box2d(736908, 4390316, 2060771, 5942346)}, {'name': "text-halo-rasterizer", 'sizes':[(600,400)]}, {'name': "simple-E", 'bbox':mapnik.Box2d(-0.05, -0.01, 0.95, 0.01)}, {'name': "simple-NE",'bbox':default_text_box}, {'name': "simple-NW",'bbox':default_text_box}, {'name': "simple-N",'bbox':default_text_box}, {'name': "simple-SE",'bbox':default_text_box}, {'name': "simple-SW",'bbox':default_text_box}, {'name': "simple-S",'bbox':default_text_box}, {'name': "simple-W",'bbox':default_text_box}, {'name': "formatting-1",'bbox':default_text_box}, {'name': "formatting-2",'bbox':default_text_box}, {'name': "formatting-3",'bbox':default_text_box}, {'name': "formatting-4",'bbox':default_text_box}, {'name': "expressionformat",'bbox':default_text_box}, {'name': "shieldsymbolizer-1", 'sizes': sizes_many_in_small_range,'bbox':default_text_box}, {'name': "rtl-point", 'sizes': [(200, 200)],'bbox':default_text_box}, {'name': "jalign-auto", 'sizes': [(200, 200)],'bbox':default_text_box}, {'name': "line-offset", 'sizes':[(900, 250)],'bbox': mapnik.Box2d(-5.192, 50.189, -5.174, 50.195)}, {'name': "tiff-alpha-gdal", 'sizes':[(600,400)]}, {'name': "tiff-alpha-broken-assoc-alpha-gdal", 'sizes':[(600,400)]}, {'name': "tiff-alpha-gradient-gdal", 'sizes':[(600,400)]}, {'name': "tiff-nodata-edge-gdal", 'sizes':[(600,400),(969,793)]}, {'name': "tiff-opaque-edge-gdal", 'sizes':[(256,256),(969,793)]}, {'name': "tiff-opaque-edge-gdal2", 'sizes':[(600,400),(969,793)]}, {'name': "tiff-opaque-edge-raster2", 'sizes':[(600,400),(969,793)]}, {'name': "tiff-resampling", 'sizes':[(600,400)]}, # https://github.com/mapnik/mapnik/issues/1622 {'name': "tiff-edge-alignment-gdal1", 'sizes':[(256,256),(255,257)], 'bbox':mapnik.Box2d(-13267022.12540147,4618019.500877209,-13247454.246160466,4637587.380118214) }, {'name': "tiff-edge-alignment-gdal2", 'sizes':[(256,256),(255,257)], 'bbox':mapnik.Box2d(-13267022.12540147,4598451.621636203,-13247454.246160466,4618019.500877209) }, # https://github.com/mapnik/mapnik/issues/1520 # commented because these are not critical failures #{'name': "tiff-alpha-raster", 'sizes':[(600,400)]}, #{'name': "tiff-alpha-broken-assoc-alpha-raster", 'sizes':[(600,400)]}, #{'name': "tiff-nodata-edge-raster", 'sizes':[(600,400)]}, #{'name': "tiff-opaque-edge-raster", 'sizes':[(256,256)]}, ] def report(diff,threshold,quiet=False): if diff > threshold: if quiet: sys.stderr.write('\x1b[31m.\x1b[0m') else: print '\x1b[31m✘\x1b[0m (\x1b[34m%u different pixels\x1b[0m)' % diff else: if quiet: sys.stderr.write('\x1b[32m.\x1b[0m') else: print '\x1b[32m✓\x1b[0m' def render(config, width, height, bbox, scale_factor, quiet=False, overwrite_failures=False): filename = config['name'] m = mapnik.Map(width, height) postfix = "%s-%d-%d-%s" % (filename,width,height,scale_factor) ## AGG rendering if config.get('agg',True): expected_agg = os.path.join(dirname, "images", postfix + '-agg-reference.png') actual_agg = os.path.join(visual_output_dir, '%s-agg.png' % postfix) try: mapnik.load_map(m, os.path.join(dirname, "styles", "%s.xml" % filename), False) if bbox is not None: m.zoom_to_box(bbox) else: m.zoom_all() except Exception, e: sys.stderr.write(e.message + '\n') fail(actual_agg,expected_agg,str(e.message)) return m if not quiet: print "\"%s\" with agg..." % (postfix), try: mapnik.render_to_file(m, actual_agg, 'png8:m=h', scale_factor) if not os.path.exists(expected_agg): # generate it on the fly fail(actual_agg,expected_agg,None) else: threshold = 0 diff = compare(actual_agg, expected_agg, threshold=0, alpha=True) if overwrite_failures and diff > threshold: fail(actual_agg,expected_agg,None) else: report(diff,threshold,quiet) except Exception, e: sys.stderr.write(e.message + '\n') fail(actual_agg,expected_agg,str(e.message)) ### TODO - set up tests to compare agg and cairo png output ### Cairo rendering if config.get('cairo',True): expected_cairo = os.path.join(dirname, "images", postfix + '-cairo-reference.png') actual_cairo = os.path.join(visual_output_dir, '%s-cairo.png' % postfix) if not quiet: print "\"%s\" with cairo..." % (postfix), try: mapnik.render_to_file(m, actual_cairo,'ARGB32', scale_factor) # open and re-save as png8 to save space new_im = mapnik.Image.open(actual_cairo) new_im.save(actual_cairo,'png8:m=h') if not os.path.exists(expected_cairo): # generate it on the fly fail(actual_cairo,expected_cairo,None) else: # cairo and agg differ in alpha for reasons unknown, so don't test it for now threshold = 0 diff = compare(actual_cairo, expected_cairo, threshold=threshold, alpha=False) if overwrite_failures and diff > threshold: fail(actual_cairo,expected_cairo,None) else: report(diff,threshold,quiet) except Exception, e: sys.stderr.write(e.message + '\n') fail(actual_cairo,expected_cairo,str(e.message)) ## Grid rendering # TODO - grid renderer does not support scale_factor yet via python if scale_factor == 1.0 and config.get('grid',True): expected_grid = os.path.join(dirname, "grids", postfix + '-grid-reference.json') actual_grid = os.path.join(visual_output_dir, '%s-grid.json' % postfix) if not quiet: print "\"%s\" with grid..." % (postfix), try: grid = mapnik.Grid(m.width,m.height) mapnik.render_layer(m,grid,layer=0) utf1 = grid.encode('utf',resolution=4) open(actual_grid,'wb').write(json.dumps(utf1,indent=1)) if not os.path.exists(expected_grid): # generate it on the fly fail(actual_grid,expected_grid,None) else: threshold = 0 diff = compare_grids(actual_grid, expected_grid, threshold=threshold, alpha=False) if overwrite_failures and diff > threshold: fail(actual_grid,expected_grid,None) else: report(diff,threshold,quiet) except Exception, e: sys.stderr.write(e.message + '\n') fail(actual_grid,expected_grid,str(e.message)) return m if __name__ == "__main__": if '-q' in sys.argv: quiet = True sys.argv.remove('-q') else: quiet = False if '--overwrite' in sys.argv: overwrite_failures = True sys.argv.remove('--overwrite') else: overwrite_failures = False if len(sys.argv) == 2: files = [{"name": sys.argv[1], "sizes": sizes_few_square}] elif len(sys.argv) > 2: files = [] for name in sys.argv[1:]: files.append({"name": name}) if not os.path.exists(visual_output_dir): os.makedirs(visual_output_dir) if 'osm' in mapnik.DatasourceCache.plugin_names(): for f in files: config = dict(defaults) config.update(f) for size in config['sizes']: for scale_factor in config['scales']: m = render(config, size[0], size[1], config.get('bbox'), scale_factor, quiet=quiet, overwrite_failures=overwrite_failures) mapnik.save_map(m, os.path.join(dirname, 'xml_output', "%s-out.xml" % config['name'])) summary(generate=True)