adds PNG info and optional square thumbnail for dgm's in-game map (see https://github.com/dgm3333/mapit)
Damien Moore
parent
64c1e3ea58
commit
b906cad0d1
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@ -40,6 +40,30 @@ except:
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BytesIO = cStringIO.StringIO
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#
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# wrapper around PIL 1.1.6 Image.save to preserve PNG metadata
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#
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# public domain, Nick Galbreath
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# http://blog.client9.com/2007/08/28/python-pil-and-png-metadata-take-2.html
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#
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def pngsave(im, file):
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# these can be automatically added to Image.info dict
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# they are not user-added metadata
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reserved = ('interlace', 'gamma', 'dpi', 'transparency', 'aspect')
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# undocumented class
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from PIL import PngImagePlugin
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meta = PngImagePlugin.PngInfo()
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# copy metadata into new object
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for k,v in im.info.iteritems():
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if k in reserved: continue
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meta.add_text(k, v, 0)
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# and save
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im.save(file, "PNG", pnginfo=meta)
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TRANSLATION_TABLE = {
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1: 0x800, # CONTENT_GRASS
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4: 0x801, # CONTENT_TREE
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@ -172,12 +196,12 @@ def parse_args():
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parser.add_argument('--playercolor', default='red', metavar = 'COLOR', type=ImageColor.getrgb, help = 'set the color for player markers')
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parser.add_argument('--fogcolor', default='grey', metavar = 'COLOR', type=ImageColor.getrgb, help = 'set the color for fog (default grey)')
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parser.add_argument('--ugcolor', default='purple', metavar = 'COLOR', type=ImageColor.getrgb, help = 'set the color for underground areas (default purple)')
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parser.add_argument('--makethumb',action='store_const', const = True, default=False, help = 'create a thumbnail image in addition to the full size image with the file name <outputname>_thumb.png')
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parser.add_argument('--drawscale',action='store_const', const = True, default=False, help = 'draw a scale on the border of the map')
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parser.add_argument('--drawplayers',action='store_const', const = True, default = False, help = 'draw markers for players')
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parser.add_argument('--draworigin',action='store_const', const = True, default = False, help = 'draw the position of the origin (0,0)')
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parser.add_argument('--drawunderground',dest='drawunderground',action='store_const', const = 1, default = 0, help = 'draw underground areas overlaid on the map')
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parser.add_argument('--drawunderground-standalone',dest='drawunderground',action='store_const', const = 2, help = 'draw underground areas as a standalone map')
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# parser.add_argument('--drawunderground',type=str, choices = ('','overlay','standalone'), default = '', help = 'draw underground areas (NOT IMPLEMENTED!)')
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parser.add_argument('--region', nargs=4, type = int, metavar = ('XMIN','XMAX','ZMIN','ZMAX'), default = (-2000,2000,-2000,2000),help = 'set the bounding x,z coordinates for the map (units are nodes, default = -2000 2000 -2000 2000)')
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parser.add_argument('--maxheight', type = int, metavar = ('YMAX'), default = 500, help = 'don\'t draw above height YMAX (default = 500)')
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parser.add_argument('--minheight', type = int, metavar = ('YMIN'), default = -500, help = 'don\'t draw below height YMIN (defualt = -500)')
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@ -985,8 +1009,42 @@ def draw_image(world,uid_to_color):
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except OSError:
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pass
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print("Saving")
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im.save(args.output)
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# worldlimits are measured in cubes of 16x16x16
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pngminx = minx*16
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pngmaxx = maxx*16
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pngminz = minz*16
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pngmaxz = maxz*16
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pngregion=[pngminx, pngmaxx, pngminz, pngmaxz]
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print("Saving to: "+ args.output)
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print("PNG Region: ", pngregion)
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print("Pixels PerNode: ", args.pixelspernode)
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print("border: ", border)
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# This saves data in tEXt chunks (non-standard naming tags are allowed according to the PNG specification)
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im.info["pngRegion"] = str(pngregion[0])+ ","+ str(pngregion[1])+ ","+ str(pngregion[2])+ ","+ str(pngregion[3])
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im.info["pngMinX"] = str(pngminx)
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im.info["pngMaxZ"] = str(pngmaxz)
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im.info["border"] = str(border)
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im.info["pixPerNode"] = str(args.pixelspernode)
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pngsave(im, args.output)
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if args.makethumb:
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# Now create a square 'thumbnail' for display on square faces (which turns out to benefit from quite high resolution).
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thumbSize = 512
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imSize = im.size
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print imSize
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if imSize[0] > imSize[1]:
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reSize=(thumbSize, int(thumbSize*(float(imSize[1])/imSize[0])))
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else:
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reSize=(int(thumbSize*(float(imSize[0])/imSize[1])), thumbSize)
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print reSize
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thumbBorder=((thumbSize-reSize[0])/2, (thumbSize-reSize[1])/2, thumbSize-(thumbSize-reSize[0])/2, thumbSize-(thumbSize-reSize[1])/2)
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print thumbBorder
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thumbIm = Image.new("RGB", (thumbSize,thumbSize), args.bgcolor)
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thumbIm.paste(im.resize(reSize),thumbBorder)
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thumbIm.save(os.path.splitext(args.output)[0]+"_thumb.png", "PNG")
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def main():
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args = parse_args()
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