X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_texture.py;h=c304fd7e471ffd344da316712db29b984272ed01;hb=a01be4f86739fec1ab25d5dc2180c9b0a1a5380c;hp=2ffb5246cf448839c9a594e1accd1397c018da79;hpb=b9ba5757a3d139234b5445945b32eae4471724b7;p=libs%2Fgl.git diff --git a/blender/io_mspgl/export_texture.py b/blender/io_mspgl/export_texture.py index 2ffb5246..c304fd7e 100644 --- a/blender/io_mspgl/export_texture.py +++ b/blender/io_mspgl/export_texture.py @@ -1,24 +1,46 @@ import os +import base64 +import codecs -class TextureExporter: - def __init__(self): - self.inline_data = True +def pixels_to_rgba(pixels): + return (int(p*255) for p in pixels) + +def pixels_to_rgb(pixels): + for i in range(0, len(pixels), 4): + yield int(pixels[i]*255) + yield int(pixels[i+1]*255) + yield int(pixels[i+2]*255) + +def pixels_to_rgb_invert_green(pixels): + for i in range(0, len(pixels), 4): + yield int(pixels[i]*255) + yield 255-int(pixels[i+1]*255) + yield int(pixels[i+2]*255) + +def pixels_to_gray(pixels): + for i in range(0, len(pixels), 4): + yield int((pixels[i]+pixels[i+1]+pixels[i+2])*255/3) - def export_texture(self, tex_node, usage='RGB'): +class TextureExporter: + def export_texture(self, tex_node, usage='RGB', *, invert_green=False): image = tex_node.image - from .datafile import Resource, Statement, Token - tex_res = Resource(image.name+".tex2d", "texture2d") + from .datafile import RawData, Resource, Statement, Token + tex_res = Resource(image.name+".tex", "texture") + + tex_res.statements.append(Statement("type", Token("\\2d"))) if tex_node.use_mipmap: tex_res.statements.append(Statement("generate_mipmap", True)) colorspace = image.colorspace_settings.name if usage=='GRAY' and colorspace=='sRGB': - raise Exception("Grayscale textures with sRGB colorspace are not supported") + raise Exception("Unsupported configuration on texture {}: Grayscale with sRGB".format(image.name)) from .util import basename fn = basename(image.filepath) - if not self.inline_data and fn: + if not invert_green and fn: + if not tex_node.use_mipmap: + tex_res.statements.append(Statement("mipmap_levels", 1)) srgb = "_srgb" if colorspace=='sRGB' else "" tex_res.statements.append(Statement("external_image"+srgb, fn)) else: @@ -31,18 +53,19 @@ class TextureExporter: tex_res.statements.append(Statement("storage", Token(fmt), image.size[0], image.size[1])) + pixels = tuple(image.pixels) texdata = "" if usage=='RGBA': - for p in image.pixels: - texdata += "\\x{:02X}".format(int(p*255)) + texdata = pixels_to_rgba(pixels) elif usage=='GRAY': - for i in range(0, len(image.pixels), 4): - texdata += "\\x{:02X}".format(image.pixels[i]) + texdata = pixels_to_gray(pixels) + elif invert_green: + texdata = pixels_to_rgb_invert_green(pixels) else: - for i in range(0, len(image.pixels), 4): - for j in range(3): - texdata += "\\x{:02X}".format(int(image.pixels[i+j]*255)) - tex_res.statements.append(Statement("raw_data", texdata)) + texdata = pixels_to_rgb(pixels) + + data = RawData(image.name+".mdr", bytes(texdata)) + tex_res.statements.append(tex_res.create_reference_statement("external_data", data)) return tex_res