#!/usr/bin/env python
# Author: Chris Mohler
# Copyright 2011 Chris Mohler
# License: GPL v3+
# Version 0.1
# ebook_combine.py
# GIMP plugin to create ebook cover from template

from gimpfu import *
from gimpenums import *

gettext.install("gimp20-python", gimp.locale_directory, unicode=True)

def combine_ebook_template(img, drw):
	layer_names = []
	for layer in img.layers:
		layer_names.append(layer.name)
		if layer.name == 'Front':
			front = layer
		if layer.name == 'Spine':
			spine = layer
		if layer.name == 'Top':
			top = layer
	for name in ('Top', 'Spine', 'Front'):
		if name not in layer_names:
			gimp.message('Error: "%s" layer not found, exiting.' % name)
			return
	img.undo_group_start()

	na = gimp._id2drawable(-1) # need this for -1 drawables

	pdb.plug_in_rotate(img, spine, 1, False)

	pdb.plug_in_map_object(
		img, 					# Input image
		front,				 	# Input drawable
		2,		 				# Map Type - 2=box
		0.5,					# viewpoint-x
		0.5,					# viewpoint-y
		2.0,					# viewpoint-z
		0.5,					# position-x
		0.5,					# position-y
		0.0,					# position-z
		1.0,					# firstaxis-x
		0.0,					# firstaxis-y
		0.0,					# firstaxis-z
		0.0,					# secondaxis-x
		1.0,					# secondaxis-y
		0.0,					# secondaxis-z
		15.0,					# rotationangle-x
		-20.0,					# rotationangle-y
		0.0,					# rotationangle-z
		0,						# lightsource type - 0=point
		(255,255,255),			# lightsource color
		-0.5,					# lightposition-x
		-0.5,					# lightposition-y
		2.0,					# lightposition-z
		0,						# lightdirection-x
		0,						# lightdirection-y
		0,						# lightdirection-z
		0.3,					# ambient-intensity
		1.0,					# diffuse-intensity
		0.5,					# diffuse-reflectivity
		0.5,					# specular-reflectivity
		27.0,					# highlight
		1,						# antialiasing - true/false
		0,						# tiled - true/false
		1,						# new image - true/false
		1,						# transparent bg - true/false
		0.0,					# radius
		0.5,					# box x-scale
		0.5,					# box y-scale
		0.08,					# box z-scale
		0.0,					# cylinder length
		front,					# box front
		na,						# box back
		top,					# box top
		na,						# box bottom
		na, 					# box left
		spine,					# box right
		na,						# cylinder top
		na, 					# cylinder bottom
		)
	
	pdb.plug_in_rotate(img, spine, 3, False)

	img.undo_group_end()

    
register(
    proc_name=("python-fu-ebook-combine"),
    blurb=("Combine ebook template"),
    help=("Combine ebook template to create 3D ebook cover."),
    author=("Chris Mohler"),
    copyright=("Chris Mohler"),
    date=("2011"),
    label=("Combine Ebook Template"),
    imagetypes=("*"),
    params=[
	(PF_IMAGE, "img", "Image", None),
	(PF_DRAWABLE, "drw", "Drawable", None), 
	   ],
    results=[],
    function=(combine_ebook_template), 
    menu=("<Image>/Filters/Ebook"), 
    domain=("gimp20-python", gimp.locale_directory)
    )

main()