#!/usr/bin/env python
# -*- coding: utf-8 -*-

# text-to-image v0.2: Python-fu plugin for GIMP 2.6
# Copyright Nikita Melnichenko [http://nikita.melnichenko.name], 2009-2010
# Licence GPL-2
# Installation: put the file into ~/.gimp-2.n/plug-ins, set executable bit on it.

from gimpfu import *
import os

def python_fu_text_to_image(text, font, font_size, text_color, background_color, background_opacity, path, append_size_to_filename):
	# set foreground color
	gimp.set_foreground(text_color)
	# set background color
	gimp.set_background(background_color)

	# create image: width, height, type
	image = gimp.Image(font_size, font_size, RGB)

	# create layer with text and add it to the image: image, drawable, x, y, text, border, antialias, size, size_type, fontname
	text_layer = pdb.gimp_text_fontname(image, None, 0, 0, text, 0, 1, font_size, PIXELS, font)
	# resize image to layer content
	pdb.gimp_image_resize_to_layers(image)
	# autocrop image to fit the text
	pdb.plug_in_autocrop(image, text_layer)

	# create layer: image, width, height, type, name, opacity, mode
	layer = gimp.Layer(image, "background", image.width, image.height, RGBA_IMAGE, background_opacity, NORMAL_MODE)
	# append layer to the image
	image.add_layer(layer, 0)
	# fill layer with color
	layer.fill(BACKGROUND_FILL)
	# pull the layer down
	pdb.gimp_image_lower_layer_to_bottom(image, layer)

	# merge all layers
	layer = image.merge_visible_layers(CLIP_TO_IMAGE)

	# if path is set then save the image
	if path:
		# get extension
		(name, ext) = os.path.splitext(path)
		# gif needs indexed image
		if ext == ".gif":
			# convert to indexed: image, dither_type, palette_type, num_cols, alpha_dither, remove_unused, palette
			pdb.gimp_image_convert_indexed(image, FS_DITHER, MAKE_PALETTE, 255, 0, 0, "")
		# insert image size to filename if needed
		if append_size_to_filename:
			path = name + "-" + `image.width` + "x" + `image.height` + ext
		# save result
		pdb.gimp_file_save(image, layer, path, path)

	# dislay results
	try:
		gimp.Display(image)
	except:
		pass

register(
	"python-fu-text-to-image",
	"Creates image with specified text and saves it to a file",
	"Creates image with specified text and saves it to a file",
	"Nikita Melnichenko [http://nikita.melnichenko.name]",
	"Nikita Melnichenko [http://nikita.melnichenko.name]",
	"2009-2010",
	"Just a plain text...",
	"",
	[
		(PF_STRING, "text", "Text", "Sample text"),
		(PF_FONT, "font", "Font", "Arial"),
		(PF_INT, "font_size", "Font size", 100),
		(PF_COLOR, "text_color", "Text color", (0, 0, 0)),
		(PF_COLOR, "background_color", "Background color", (255, 255, 255)),
		(PF_SLIDER, "background_opacity", "Background opacity", 100, (0, 100, 1)),
		(PF_FILE, "path", "Save as", ""),
		(PF_BOOL, "append_size_to_filename", "Append image size to file name", 0),
	],
	[],
	python_fu_text_to_image,
	menu="<Image>/File/Create/Logos",
	)

main()