X-Git-Url: https://git.ao2.it/android/android-app-development-getting-started.git/blobdiff_plain/b9c60624b1049409f0a000b6375fe3f65803ff74..16126137e36566d08a7a004c692d25e818b5dda9:/ic_launcher_template/androink.py?ds=sidebyside

diff --git a/ic_launcher_template/androink.py b/ic_launcher_template/androink.py
index c8a83bd..9473f35 100755
--- a/ic_launcher_template/androink.py
+++ b/ic_launcher_template/androink.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# androink - Generate android resources for multiple resolutions
+# androink - Generate android resources for multiple densities
 #
 # Copyright (C) 2012  Federico Paolinelli <fedepaol@gmail.com>
 # Copyright (C) 2013  Antonio Ospite <ospite@studenti.unina.it>
@@ -30,8 +30,8 @@ import os
 
 __description = """This script expects the svg to use Inkscape DPIs.
 
-This means that the resolution given in the drawing will be used for
-MDPI resolution and scaled to generate the other resolutions.
+Either MDPI or HDPI can be used as the baseline density and the drawables will
+scaled to generate the other densities.
 
 """
 __version = "0.1"
@@ -40,23 +40,44 @@ __author_info = "Federico Paolinelli, Antonio Ospite"
 
 BASE_OPTIONS = ' --export-area-page --export-png '
 
-# Inkscape default DPI is 90, we use this for the MDPI resource
+# Inkscape default DPI is 90
 BASELINE_DPI = 90
 
-LDPI = ('drawable-ldpi', BASELINE_DPI * 0.75)
-MDPI = ('drawable-mdpi', BASELINE_DPI * 1.0)
-HDPI = ('drawable-hdpi', BASELINE_DPI * 1.5)
-XHDPI = ('drawable-xhdpi', BASELINE_DPI * 2.0)
-
-resolutions = [LDPI, MDPI, HDPI, XHDPI]
+# densities are calculated following the scaling ratio
+# 3:4:6:8 mapped to ldpi:mdpi:hdpi:xhdpi
+
+# for baseline mdpi consider 4 as the base ratio
+densities_baseline_mdpi = [
+    ('drawable-ldpi', BASELINE_DPI * 0.75),  # 3/4
+    ('drawable-mdpi', BASELINE_DPI * 1.0),  # 4/4
+    ('drawable-hdpi', BASELINE_DPI * 1.5),  # 6/4
+    ('drawable-xhdpi', BASELINE_DPI * 2.0),  # 8/4
+    ('drawable-xxhdpi', BASELINE_DPI * 3.0),  # 12/4
+    ('drawable-xxxhdpi', BASELINE_DPI * 4.0),  # 16/4
+]
+
+# for baseline hdpi consider 6 as the base ratio
+densities_baseline_hdpi = [
+    ('drawable-ldpi', BASELINE_DPI * 0.5),  # 3/6
+    ('drawable-mdpi', BASELINE_DPI * 0.666666667),  # 4/6
+    ('drawable-hdpi', BASELINE_DPI * 1.0),  # 6/6
+    ('drawable-xhdpi', BASELINE_DPI * 1.333333333),  # 8/6
+    ('drawable-xxhdpi', BASELINE_DPI * 2.0),  # 12/6
+    ('drawable-xxxhdpi', BASELINE_DPI * 2.666666667),  # 16/6
+]
 
 
 def export_file(file_name):
     print 'exporting file', file_name
     name_without_ext = os.path.splitext(file_name)[0]
 
-    for rel in resolutions:
-        dpispec, dpi = rel
+    if args.baseline_density == 'mdpi':
+        densities = densities_baseline_mdpi
+    elif args.baseline_density == 'hdpi':
+        densities = densities_baseline_hdpi
+
+    for density in densities:
+        dpispec, dpi = density
         res_path = os.path.join(args.res_folder, dpispec)
 
         if not os.path.exists(res_path):
@@ -66,9 +87,9 @@ def export_file(file_name):
         target = os.path.join(res_path, name_without_ext + '.png')
 
         command_list = [args.ink_path, '--export-area-page',
-                '-f', source_file,
-                '--export-png', target,
-                '--export-dpi', str(dpi)]
+                        '-f', source_file,
+                        '--export-png', target,
+                        '--export-dpi', str(dpi)]
 
         command = " ".join(command_list)
 
@@ -81,29 +102,33 @@ def option_parser():
     usage = "usage: %(prog)s [options]"
 
     parser = argparse.ArgumentParser(usage=usage,
-            description=__description,
-            epilog=__author_info,
-            version='%(prog)s ' + __version,)
+                                     description=__description,
+                                     epilog=__author_info,
+                                     version='%(prog)s ' + __version,)
 
     parser.add_argument('-R', '--res_folder',  metavar="<dir>",
-            dest='res_folder', required=True,
-            help='path to the project res folder')
+                        dest='res_folder', required=True,
+                        help='path to the project res folder')
 
     parser.add_argument('-S', '--svg_folder', metavar="<dir>",
-            dest='svg_folder', default='.',
-            help='folder that contains all the svg files to be converted')
+                        dest='svg_folder', default='.',
+                        help='folder that contains all the svg files to be converted')
 
     parser.add_argument('-I', '--inkscape_path', metavar="<inkscape_path>",
-            dest='ink_path', default='inkscape',
-            help='path of Inkscape executable')
+                        dest='ink_path', default='inkscape',
+                        help='path of Inkscape executable')
+
+    parser.add_argument('-d', '--baseline-density', metavar="<mdpi|hdpi>",
+                        dest='baseline_density', choices=['mdpi', 'hdpi'], default='mdpi',
+                        help='the baseline density to generate the drawables from')
 
     parser.add_argument('-D', '--dry_run',
-            dest='dry', action='store_const', const=True,
-            help='performs a dry run')
+                        dest='dry', action='store_const', const=True,
+                        help='performs a dry run')
 
     parser.add_argument('-F', '--single_file', metavar="<file>",
-            dest='file_name',
-            help='name of the file, if you want to convert only one file')
+                        dest='file_name',
+                        help='name of the file, if only one file is to be converted')
 
     return parser