Added new svgs to pngs exporter

tools/scripts/svgs_2_pngs.py

@@ -0,0 +1,137 @@
+# -*- coding: utf-8 -*-
+
+# Basic exporter for svg icons
+
+from os import listdir
+from os.path import isfile, join, dirname, realpath
+import subprocess
+import sys
+
+import rsvg
+import cairo
+
+last_svg_path = None
+last_svg_data = None
+
+SCRIPT_FOLDER = dirname(realpath(__file__)) + '/'
+theme_dir_base = SCRIPT_FOLDER + '../../scene/resources/default_theme/'
+theme_dir_source = theme_dir_base + 'source/'
+icons_dir_base = SCRIPT_FOLDER + '../editor/icons/'
+icons_dir_2x = icons_dir_base + '2x/'
+icons_dir_source = icons_dir_base + 'source/'
+
+
+def svg_to_png(svg_path, png_path, dpi):
+    global last_svg_path, last_svg_data
+
+    zoom = int(dpi / 90)
+    if last_svg_path != svg_path:
+        last_svg_data = open(svg_path, 'r').read()
+        last_svg_path = svg_path
+    svg = rsvg.Handle(data=last_svg_data)
+    img = cairo.ImageSurface(
+        cairo.FORMAT_ARGB32,
+        svg.props.width * zoom,
+        svg.props.height * zoom
+    )
+    ctx = cairo.Context(img)
+    ctx.set_antialias(cairo.ANTIALIAS_DEFAULT)
+    ctx.scale(zoom, zoom)
+    svg.render_cairo(ctx)
+    img.write_to_png('%s.png' % png_path)
+    svg.close()
+
+
+def export_icons():
+    svgs_path = icons_dir_source
+
+    file_names = [f for f in listdir(svgs_path) if isfile(join(svgs_path, f))]
+
+    for file_name in file_names:
+        # name without extensions
+        name_only = file_name.replace('.svg', '')
+
+        out_icon_names = [name_only] # export to a png with the same file name
+        theme_out_icon_names = []
+        # special cases
+        if special_icons.has_key(name_only):
+            special_icon = special_icons[name_only]
+            if type(special_icon) is dict:
+                if special_icon.get('avoid_self'):
+                    out_icon_names = []
+                if special_icon.has_key('output_names'):
+                    out_icon_names += special_icon['output_names']
+                if special_icon.has_key('theme_output_names'):
+                    theme_out_icon_names += special_icon['theme_output_names']
+
+        source_path = '%s%s.svg' % (svgs_path, name_only)
+
+        for out_icon_name in out_icon_names:
+            svg_to_png(source_path, icons_dir_base + out_icon_name, 90)
+            svg_to_png(source_path, icons_dir_2x + out_icon_name, 180)
+        for theme_out_icon_name in theme_out_icon_names:
+            svg_to_png(source_path, theme_dir_base + theme_out_icon_name, 90)
+
+
+
+def export_theme():
+    svgs_path = theme_dir_source
+    file_names = [f for f in listdir(svgs_path) if isfile(join(svgs_path, f))]
+
+    for file_name in file_names:
+        # name without extensions
+        name_only = file_name.replace('.svg', '')
+
+        out_icon_names = [name_only] # export to a png with the same file name
+        # special cases
+        if theme_icons.has_key(name_only):
+            special_icon = theme_icons[name_only]
+            if type(special_icon) is dict:
+                if special_icon.has_key('output_names'):
+                    out_icon_names += special_icon['output_names']
+
+        source_path = '%s%s.svg' % (svgs_path, name_only)
+
+        for out_icon_name in out_icon_names:
+            svg_to_png(source_path, theme_dir_base + out_icon_name, 90)
+
+
+# special cases for icons that will be exported to multiple target pngs or that require transforms.
+special_icons = {
+    'icon_add_track': dict(
+        output_names=['icon_add'],
+        theme_output_names=['icon_add', 'icon_zoom_more']
+    ),
+    'icon_new': dict( output_names=['icon_file'] ),
+    'icon_animation_tree_player': dict( output_names=['icon_animation_tree'] ),
+    'icon_tool_rotate': dict(
+        output_names=['icon_reload'],
+        theme_output_names= ['icon_reload']
+    ),
+    'icon_multi_edit': dict( output_names=['icon_multi_node_edit'] ),
+    'icon_folder': dict(
+        output_names=['icon_load', 'icon_open'],
+        theme_output_names= ['icon_folder']
+    ),
+    'icon_file_list': dict( output_names=['icon_enum'] ),
+    'icon_collision_2d': dict( output_names=['icon_collision_polygon_2d', 'icon_polygon_2d'] ),
+    'icon_class_list': dict( output_names=['icon_filesystem'] ),
+    'icon_color_ramp': dict( output_names=['icon_graph_color_ramp'] ),
+    'icon_translation': dict( output_names=['icon_p_hash_translation'] ),
+    'icon_shader': dict( output_names=['icon_shader_material', 'icon_material_shader'] ),
+    'icon_canvas_item_shader_graph': dict( output_names=['icon_material_shader_graph'] ),
+
+    'icon_color_pick': dict( theme_output_names= ['icon_color_pick'], avoid_self=True ),
+    'icon_play': dict( theme_output_names= ['icon_play'] ),
+    'icon_stop': dict( theme_output_names= ['icon_stop'] ),
+    'icon_zoom_less': dict( theme_output_names= ['icon_zoom_less'], avoid_self=True ),
+    'icon_zoom_reset': dict( theme_output_names= ['icon_zoom_reset'], avoid_self=True )
+}
+
+theme_icons = {
+      'icon_close': dict(output_names=['close', 'close_hl']),
+      'tab_menu': dict(output_names=['tab_menu_hl'])
+}
+
+export_icons()
+export_theme()