blender/io_mspgl/export_texture.py

   1 import os
   2
   3 class TextureExporter:
   4         def __init__(self):
   5                 self.inline_data = True
   6
   7         def export_texture(self, texture):
   8                 from .datafile import Resource, Statement, Token
   9                 tex_res = Resource(texture.name+".tex2d")
  10
  11                 if texture.use_interpolation:
  12                         if texture.use_mipmap:
  13                                 tex_res.statements.append(Statement("filter", Token('LINEAR_MIPMAP_LINEAR')))
  14                                 tex_res.statements.append(Statement("generate_mipmap", True))
  15                         else:
  16                                 tex_res.statements.append(Statement("filter", Token('LINEAR')))
  17                         tex_res.statements.append(Statement("max_anisotropy", texture.filter_eccentricity))
  18                 else:
  19                         if texture.use_mipmap:
  20                                 tex_res.statements.append(Statement("filter", Token('NEAREST_MIPMAP_NEAREST')))
  21                                 tex_res.statements.append(Statement("generate_mipmap", True))
  22                         else:
  23                                 tex_res.statements.append(Statement("filter", Token('NEAREST')))
  24
  25                 fn = os.path.basename(texture.image.filepath)
  26                 if not self.inline_data and fn:
  27                         tex_res.statements.append(Statement("external_image", fn))
  28                 else:
  29                         texdata = ""
  30                         colorspace = texture.image.colorspace_settings.name
  31                         if texture.use_alpha:
  32                                 fmt = 'SRGB_ALPHA' if colorspace=='sRGB' else 'RGBA'
  33                                 for p in texture.image.pixels:
  34                                         texdata += "\\x{:02X}".format(int(p*255))
  35                         else:
  36                                 fmt = 'SRGB' if colorspace=='sRGB' else 'RGB'
  37                                 for i in range(0, len(texture.image.pixels), 4):
  38                                         for j in range(3):
  39                                                 texdata += "\\x{:02X}".format(int(texture.image.pixels[i+j]*255))
  40                         tex_res.statements.append(Statement("storage", Token(fmt), texture.image.size[0], texture.image.size[1]))
  41                         tex_res.statements.append(Statement("raw_data", texdata))
  42
  43                 return tex_res