GIMP plugin that adds new sprites to the Team CoFH website's recipe item sheet

recipe-sheet-add-sprites.py

#!/usr/bin/env python

from gimpfu import *


def recipe_sheet_add_sprites(img, layer, sprite_size, sheet_width, x, y):
    gimp.progress_init('Adding layers to sheet...')
    pdb.gimp_image_undo_group_start(img)

    pdb.gimp_context_set_interpolation(INTERPOLATION_NONE)

    try:
        layers = img.layers[:-1]

        for i, layer in enumerate(layers):
            if layer.width != sprite_size or layer.height != sprite_size:
                pdb.gimp_layer_scale(layer, sprite_size, sprite_size, FALSE)

            pdb.gimp_layer_set_offsets(layer, x * sprite_size, y * sprite_size)

            x += 1
            if x >= sheet_width:
                x = 0
                y += 1

            gimp.progress_update(float(i + 1) / float(len(layers)))
    except Exception as err:
        gimp.message('Unexpected error: {}'.format(str(err)))

    pdb.gimp_image_merge_visible_layers(img, EXPAND_AS_NECESSARY)

    pdb.gimp_image_undo_group_end(img)
    pdb.gimp_progress_end()


register(
    'python_fu_recipe_sheet_add_sprites',
    'Add sprites to recipe sheet',
    'Adds sprites to the Team CoFH website\'s recipe item sheet',
    'Ton Broekhuizen',
    '',
    '2017',
    '<Image>/Filters/Minecraft/Add sprites to recipe sheet',
    'RGB*',
    [
        (PF_INT, 'sprite_size', 'Sprite size', 32),
        (PF_INT, 'sheet_width', 'Sheet width', 16),
        (PF_INT, 'start_x', 'Start X', 0),
        (PF_INT, 'start_y', 'Start Y', 0),
    ],
    [],
    recipe_sheet_add_sprites
)

main()