gimp/plug-ins/python/py-slice.py

528 lines
19 KiB
Python
Executable File

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#Copyright (c) Manish Singh
#javascript animation support by Joao S. O. Bueno Calligaris (2004)
# Gimp-Python - allows the writing of Gimp plugins in Python.
# Copyright (C) 2003, 2005 Manish Singh <yosh@gimp.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# (c) 2003 Manish Singh.
#"Guillotine implemented ala python, with html output
# (based on perlotine by Seth Burgess)",
# Modified by João S. O. Bueno Calligaris to allow dhtml animations (2005)
import gi
gi.require_version('Gimp', '3.0')
from gi.repository import Gimp
from gi.repository import GObject
from gi.repository import GLib
from gi.repository import Gio
import gettext
_ = gettext.gettext
def N_(message): return message
import os
import os.path
import sys
def pyslice(procedure, run_mode, image, drawable, args, data):
save_path = args.index(0)
html_filename = args.index(1)
image_basename = args.index(2)
image_extension = args.index(3)
separate = args.index(4)
image_path = args.index(5)
cellspacing = args.index(6)
animate = args.index(7)
skip_caps = args.index(8)
cellspacing = int (cellspacing)
if animate:
count = 0
drw = []
#image.layers is a reversed list of the layers on the image
#so, count indexes from number of layers to 0.
for i in xrange (len (image.layers) -1, -1, -1):
if image.layers[i].visible:
drw.append(image.layers[i])
count += 1
if count == 3:
break
vert, horz = get_guides(image)
if len(vert) == 0 and len(horz) == 0:
return
Gimp.progress_init(_("Slice"))
progress_increment = 1 / ((len(horz) + 1) * (len(vert) + 1))
progress = 0.0
def check_path(path):
path = os.path.abspath(path)
if not os.path.exists(path):
os.mkdir(path)
return path
save_path = check_path(save_path)
if not os.path.isdir(save_path):
save_path = os.path.dirname(save_path)
if separate:
image_relative_path = image_path
if not image_relative_path.endswith("/"):
image_relative_path += "/"
image_path = check_path(os.path.join(save_path, image_path))
else:
image_relative_path = ''
image_path = save_path
tw = TableWriter(os.path.join(save_path, html_filename),
cellspacing=cellspacing, animate=animate)
top = 0
for i in range(0, len(horz) + 1):
if i == len(horz):
bottom = image.height()
else:
bottom = image.get_guide_position(horz[i])
tw.row_start()
left = 0
for j in range(0, len(vert) + 1):
if j == len(vert):
right = image.width()
else:
right = image.get_guide_position(vert[j])
if (skip_caps and
(
(len(horz) >= 2 and (i == 0 or i == len(horz) )) or
(len(vert) >= 2 and (j == 0 or j == len(vert) ))
)
):
skip_stub = True
else:
skip_stub = False
if (not animate or skip_stub):
src = (image_relative_path +
slice (image, None, image_path,
image_basename, image_extension,
left, right, top, bottom, i, j, ""))
else:
src = []
for layer, postfix in zip (drw, ("", "hover", "clicked")):
src.append (image_relative_path +
slice(image, layer, image_path,
image_basename, image_extension,
left, right, top, bottom, i, j, postfix))
tw.cell(src, right - left, bottom - top, i, j, skip_stub)
left = right + cellspacing
progress += progress_increment
Gimp.progress_update(progress)
tw.row_end()
top = bottom + cellspacing
tw.close()
return procedure.new_return_values(Gimp.PDBStatusType.SUCCESS, GLib.Error())
def slice(image, drawable, image_path, image_basename, image_extension,
left, right, top, bottom, i, j, postfix):
if postfix:
postfix = "_" + postfix
src = "%s_%d_%d%s.%s" % (image_basename, i, j, postfix, image_extension)
filename = os.path.join(image_path, src)
if not drawable:
temp_image = image.duplicate()
temp_drawable = temp_image.get_active_layer()
else:
if image.base_type() == Gimp.ImageBaseType.INDEXED:
#gimp_layer_new_from_drawable doesn't work for indexed images.
#(no colormap on new images)
original_active = image.get_active_layer()
image.active_layer = drawable
temp_image = image.duplicate()
temp_drawable = temp_image.get_active_layer()
image.active_layer = original_active
temp_image.undo_disable()
#remove all layers but the intended one
while len (temp_image.layers) > 1:
if temp_image.layers[0] != temp_drawable:
temp_image.remove_layer (temp_image.layers[0])
else:
temp_image.remove_layer (temp_image.layers[1])
else:
temp_image = Gimp.image_new (drawable.width(),
drawable.height(),
image.base_type())
temp_drawable = Gimp.layer_new_from_drawable (drawable, temp_image)
temp_image.insert_layer (temp_drawable)
temp_image.undo_disable()
temp_image.crop(right - left, bottom - top, left, top)
if image_extension == "gif" and image.base_type() == Gimp.ImageBaseType.RGB:
temp_image.convert_indexed (Gimp.ConvertDitherType.NONE,
Gimp.ConvertPaletteType.GENERATE, 255,
True, False, "")
if image_extension == "jpg" and image.base_type() == Gimp.ImageBaseType.INDEXED:
temp_image.convert_rgb ()
Gimp.file_save(Gimp.RunMode.NONINTERACTIVE, temp_image, [temp_drawable],
Gio.file_new_for_path (filename))
temp_image.delete()
return src
class GuideIter:
def __init__(self, image):
self.image = image
self.guide = 0
def __iter__(self):
return iter(self.next_guide, 0)
def next_guide(self):
self.guide = self.image.find_next_guide(self.guide)
return self.guide
def get_guides(image):
vguides = []
hguides = []
for guide in GuideIter(image):
orientation = image.get_guide_orientation(guide)
guide_position = image.get_guide_position(guide)
if guide_position > 0:
if orientation == Gimp.OrientationType.VERTICAL:
if guide_position < image.width():
vguides.append((guide_position, guide))
elif orientation == Gimp.OrientationType.HORIZONTAL:
if guide_position < image.height():
hguides.append((guide_position, guide))
def position_sort_key(x):
return x[0]
vguides.sort(key = position_sort_key)
hguides.sort(key = position_sort_key)
vguides = [g[1] for g in vguides]
hguides = [g[1] for g in hguides]
return vguides, hguides
class TableWriter:
def __init__(self, filename, cellpadding=0, cellspacing=0, border=0,
animate=False):
self.filename = filename
self.table_attrs = {}
#Hellraisen IE 6 doesn't support CSS for table control.
self.table_attrs['cellpadding'] = cellpadding
self.table_attrs['cellspacing'] = cellspacing
self.table_attrs['border'] = border
self.image_prefix = os.path.basename (filename)
self.image_prefix = self.image_prefix.split(".")[0]
self.image_prefix = self.image_prefix.replace ("-", "_")
self.image_prefix = self.image_prefix.replace (" ", "_")
if animate:
self.animate = True
self.images = []
else:
self.animate = False
if os.path.exists (filename):
#The plug-in is running to overwrite a previous
#version of the file. This will parse the href targets already
#in the file to preserve them.
self.urls = self.parse_urls ()
else:
self.urls = []
self.url_index = 0
self.html = open(filename, 'wt')
self.open()
def next_url (self):
if self.url_index < len (self.urls):
self.url_index += 1
return self.urls [self.url_index - 1]
else:
#Default url to use in the anchor tags:
return ("#")
def write(self, s, vals=None):
if vals:
s = s % vals
self.html.write(s + '\n')
def open(self):
out = '''<!--HTML SNIPPET GENERATED BY GIMP
WARNING!! This is NOT a fully valid HTML document, it is rather a piece of
HTML generated by GIMP's py-slice plugin that should be embedded in an HTML
or XHTML document to be valid.
Replace the href targets in the anchor (<a >) for your URLS to have it working
as a menu.
-->\n'''
out += '<table'
for attr, value in self.table_attrs.items():
out += ' %s="%s"' % (attr, value)
out += '>'
self.write(out)
def close(self):
self.write('</table>\n')
prefix = self.image_prefix
if self.animate:
out = """
<script language="javascript" type="text/javascript">
/* Made with GIMP */
/* Preload images: */
images_%s = new Array();
\n""" % prefix
for image in self.images:
for type_ in ("plain", "hover", "clicked"):
if image.has_key(type_):
image_index = ("%d_%d_%s" %
(image["index"][0],
image["index"][1], type_))
out += (" images_%s[\"%s\"] = new Image();\n" %
(prefix, image_index))
out += (" images_%s[\"%s\"].src = \"%s\";\n" %
(prefix, image_index, image[type_]))
out+= """
function exchange (image, images_array_name, event)
{
name = image.name;
images = eval (images_array_name);
switch (event)
{
case 0:
image.src = images[name + "_plain"].src;
break;
case 1:
image.src = images[name + "_hover"].src;
break;
case 2:
image.src = images[name + "_clicked"].src;
break;
case 3:
image.src = images[name + "_hover"].src;
break;
}
}
</script>
<!--
End of the part generated by GIMP
-->
"""
self.write (out)
def row_start(self):
self.write(' <tr>')
def row_end(self):
self.write('</tr>\n')
def cell(self, src, width, height, row=0, col=0, skip_stub = False):
if isinstance (src, list):
prefix = "images_%s" % self.image_prefix
self.images.append ({"index" : (row, col), "plain" : src[0]})
out = (' <td><a href="%s"><img alt="" src="%s" ' +
'style="width: %dpx; height: %dpx; border-width: 0px" \n') %\
(self.next_url(), src[0], width, height)
out += 'name="%d_%d" \n' % (row, col)
if len(src) >= 2:
self.images[-1]["hover"] = src [1]
out += """ onmouseout="exchange(this, '%s', 0);"\n""" % \
prefix
out += """ onmouseover="exchange(this, '%s', 1);"\n""" % \
prefix
if len(src) >= 3:
self.images[-1]["clicked"] = src [2]
out += """ onmousedown="exchange(this, '%s', 2);"\n""" % \
prefix
out += """ onmouseup="exchange(this, '%s', 3);"\n""" % \
prefix
out += "/></a></td>\n"
else:
if skip_stub:
out = (' <td><img alt=" " src="%s" style="width: %dpx; ' +
' height: %dpx; border-width: 0px;"></td>') % \
(src, width, height)
else:
out = (' <td><a href="#"><img alt=" " src="%s" ' +
' style="width: %dpx; height: %dpx; border-width: 0px;">' +
'</a></td>') % (src, width, height)
self.write(out)
def parse_urls (self):
"""
This will parse any url targets in the href="XX" fields
of the given file and return then as a list
"""
import re
url_list = []
try:
html_file = open (self.filename)
# Regular expression to pick everything up to the next
# doublequote character after finding the sequence 'href="'.
# The found sequences will be returned as a list by the
# "findall" method.
expr = re.compile (r"""href\=\"([^\"]*?)\"""")
url_list = expr.findall (html_file.read (2 ** 18))
html_file.close()
except:
# silently ignore any errors parsing this. The file being
# overwritten may not be a file created by py-slice.
pass
return url_list
class PySlice (Gimp.PlugIn):
## Parameters ##
__gproperties__ = {
"save-path": (str,
_("Path for HTML export"),
_("Path for HTML export"),
os.getcwd(),
GObject.ParamFlags.READWRITE),
"html-filename": (str,
_("Filename for export"),
_("Filename for export"),
"slice.html",
GObject.ParamFlags.READWRITE),
"image-basename": (str,
_("Image name prefix"),
_("Image name prefix"),
"slice",
GObject.ParamFlags.READWRITE),
"image-extension": (str,
_("Image format (gif, jpg, png)"),
_("Image format (gif, jpg, png)"),
"gif",
GObject.ParamFlags.READWRITE),
"separate-image-dir": (bool,
_("Separate image folder"),
_("Separate image folder"),
False,
GObject.ParamFlags.READWRITE),
"relative-image-path": (str,
_("Folder for image export"),
_("Folder for image export"),
"images",
GObject.ParamFlags.READWRITE),
"cellspacing": (int,
_("Space between table elements"),
_("Space between table elements"),
0, 15, 0,
GObject.ParamFlags.READWRITE),
"animate": (bool,
_("Javascript for onmouseover and clicked"),
_("Javascript for onmouseover and clicked"),
False,
GObject.ParamFlags.READWRITE),
# table caps are table cells on the edge of the table
"skip-caps": (bool,
_("Skip animation for table caps"),
_("Skip animation for table caps"),
True,
GObject.ParamFlags.READWRITE),
}
## GimpPlugIn virtual methods ##
def do_query_procedures(self):
self.set_translation_domain("gimp30-python",
Gio.file_new_for_path(Gimp.locale_directory()))
return [ 'python-fu-slice' ]
def do_create_procedure(self, name):
procedure = None
if name == 'python-fu-slice':
procedure = Gimp.ImageProcedure.new(self, name,
Gimp.PDBProcType.PLUGIN,
pyslice, None)
procedure.set_image_types("*");
# table snippet means a small piece of HTML code here
procedure.set_documentation (N_("Cuts an image along its guides, creates images and a HTML table snippet"),
"""Add guides to an image. Then run this. It will cut along the guides,
and give you the html to reassemble the resulting images. If you
choose to generate javascript for onmouseover and clicked events, it
will use the lower three visible layers on the image for normal,
onmouseover and clicked states, in that order. If skip caps is
enabled, table cells on the edge of the table won't become animated,
and its images will be taken from the active layer.""",
name)
procedure.set_menu_label(_("_Slice..."))
procedure.set_attribution("Manish Singh",
"Manish Singh",
"2003")
procedure.add_menu_path ("<Image>/Filters/Web")
procedure.add_argument_from_property(self, "save-path")
procedure.add_argument_from_property(self, "html-filename")
procedure.add_argument_from_property(self, "image-basename")
procedure.add_argument_from_property(self, "image-extension")
procedure.add_argument_from_property(self, "separate-image-dir")
procedure.add_argument_from_property(self, "relative-image-path")
procedure.add_argument_from_property(self, "cellspacing")
procedure.add_argument_from_property(self, "animate")
procedure.add_argument_from_property(self, "skip-caps")
return procedure
Gimp.main(PySlice.__gtype__, sys.argv)