--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/regenerate_pngs.py	Sat Sep 05 13:20:59 2009 +0000
@@ -0,0 +1,104 @@
+#!/usr/bin/env python
+
+import cairo
+import rsvg
+import os
+from Image import open
+
+def svg_to_png(svg_name, png_name, w, h):
+    """Convert an SVG file to a PNG file."""
+    print "Generating %s at %dx%d..." % (png_name, w, h)
+    r = rsvg.Handle(svg_name)
+
+    scale = max(float(r.props.width) / w, float(r.props.height) / h)
+    scale = 1.0 / scale
+
+    r.props.dpi_x = r.props.dpi_x / scale
+    r.props.dpi_y = r.props.dpi_y / scale
+
+    cs = cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h)
+    ctx = cairo.Context(cs)
+    ctx.scale(scale, scale)
+    r.render_cairo(ctx)
+    cs.write_to_png(png_name)
+
+def process_svg_folder(path, width, height):
+    for dirpath, dirnames, filenames in os.walk(path):
+        for filename in filenames:
+            basename, ext = os.path.splitext(filename)
+            if ext == ".svg":
+                svg_name = os.path.join(dirpath, basename + ".svg")
+                png_name = os.path.join(dirpath, basename + ".png")
+                svg_to_png(svg_name, png_name, width, height)
+
+def process_sprite(name, width, height, sprite_path):
+    svg_name = os.path.join(sprite_path, name) + ".svg"
+    png_name = os.path.join(sprite_path, name) + ".png"
+    svg_to_png(svg_name, png_name, width, height)
+
+def process_cursor(name, width, height, sprite_path, cursor_path):
+    # We bounce through png to get something PIL understands
+    svg_name = os.path.join(sprite_path, name) + '.svg'
+    png_name = os.path.join(cursor_path, name) + '.png'
+    xbm_name = os.path.join(cursor_path, name) + '.xbm'
+    svg_to_png(svg_name, png_name, width, height)
+    # We need to bounce through 'L' first to handle transparency OK
+    pixeldata = open(png_name).convert('L')
+    # Everything > 0 goes to white
+    lut = [0] + [1]*255
+    pixeldata.point(lut, mode='1').save(xbm_name)
+    os.remove(png_name)
+
+TILE_PATH = "data/tiles"
+SPRITE_PATH = "data/sprites"
+IMAGE_PATH = "data/images"
+CURSOR_PATH = "data/cursors"
+
+SPRITES = [
+    # chicken bits
+    ("chkn", 20, 20),
+    ("wing", 20, 20),
+    ("eye", 20, 20),
+    ("equip_rifle", 20, 20),
+    ("equip_knife", 20, 20),
+    ("equip_kevlar", 20, 20),
+    ("equip_helmet", 20, 20),
+    ("select_chkn", 20, 20),
+    ("nest", 20, 20),
+    ("equip_egg", 20, 20),
+    # fox bits
+    ("fox", 20, 20),
+    ("ninja_fox", 20, 20),
+    ("sapper_fox", 20, 20),
+    ("rinkhals", 20, 20),
+    # buildings
+    ("henhouse", 60, 40),
+    ("select_henhouse", 60, 40),
+    ("hendominium", 40, 60),
+    ("select_hendominium", 40, 60),
+    ("watchtower", 40, 40),
+    ("select_watchtower", 40, 40),
+    # special effects
+    ("muzzle_flash", 20, 20),
+    ("chkn_death", 20, 20),
+    ("fox_death", 20, 20),
+    # other
+    ("egg", 20, 20),
+]
+
+CURSORS = [
+    ("chkn", 16, 16),
+    ("egg", 16, 16),
+    ("sell_cursor", 24, 24),
+    ]
+
+if __name__ == "__main__":
+    process_svg_folder("data/tiles", 20, 20)
+    process_svg_folder("data/icons", 40, 40)
+    for name, width, height in SPRITES:
+        process_sprite(name, width, height, SPRITE_PATH)
+    process_sprite("splash", 800, 600, IMAGE_PATH)
+    process_sprite("gameover_win", 800, 600, IMAGE_PATH)
+    process_sprite("gameover_lose", 800, 600, IMAGE_PATH)
+    for name, width, height in CURSORS:
+        process_cursor(name, width, height, SPRITE_PATH, CURSOR_PATH)