New script for creating pipe brushes from typed text

plug-ins/pygimp/plug-ins/Makefile.am

@@ -10,7 +10,8 @@ scripts = \
 	palette-to-gradient.py	\
 	py-slice.py		\
 	python-console.py	\
-	python-eval.py
+	python-eval.py		\
+	text-brush.py
 
 test_scripts = \
 	benchmark-foreground-extract.py	\

plug-ins/pygimp/plug-ins/text-brush.py

@@ -0,0 +1,97 @@
+#!/usr/bin/env python
+# coding: utf-8
+
+# Author: João Sebastião de Oliveira Bueno
+# Copyright: João S. O. Bueno (2009), licensed under the GPL v 3.0
+
+#   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 <http://www.gnu.org/licenses/>.
+
+from gimpfu import *
+import os
+
+gettext.install("gimp20-python", gimp.locale_directory, unicode=True)
+
+gimp_dir = ".gimp-%d.%d" %(gimp.version[:2])
+BRUSH_DIR = os.path.join(os.path.expanduser('~'),gimp_dir,'brushes')
+    
+def text_brush(font_name, font_size, text):
+    pdb.gimp_context_push()
+    pdb.gimp_context_set_default_colors()
+    
+    padding = font_size // 4
+    img = gimp.Image(font_size + padding, font_size + padding, GRAY)
+    img.undo_freeze()
+    
+    text = text.decode("utf-8")
+    for letter in reversed(text):
+        layer = img.new_layer(fill_mode=BACKGROUND_FILL)
+        text_floating_sel = \
+            pdb.gimp_text_fontname(img, layer, 
+                                   padding // 2,
+                                   padding // 2,
+                                   letter.encode("utf-8"),
+                                   0,
+                                   True,
+                                   font_size,
+                                   PIXELS, 
+                                   font_name)
+        if text_floating_sel: 
+            #whitespace don't generate a floating sel.
+            pdb.gimp_edit_bucket_fill(text_floating_sel,
+                                  FG_BUCKET_FILL,
+                                  NORMAL_MODE, 100, 1.0,
+                                  False,0 ,0)
+            pdb.gimp_floating_sel_anchor(text_floating_sel)
+
+    file_name = (text.lower().replace(" ", "_") + ".gih").encode("utf-8")
+    file_path = os.path.join(BRUSH_DIR, file_name)
+    
+    pdb.file_gih_save(img, img.layers[0], 
+                      file_path, file_path, 
+                      100, #spacing
+                      text, #description,
+                      img.width, img.height,
+                      1, 1,
+                      1, #dimension
+                      [len(text)], #rank - number of cells 
+                      1, # dimension again - actual size for the
+                         # array of the selection mode
+                      ["incremental"])
+
+    pdb.gimp_brushes_refresh()
+    pdb.gimp_image_delete(img)
+    pdb.gimp_context_pop()
+
+register(
+         "text_brush",
+         N_("New brush with characters from a text sequence"),
+         """New dynamic brush where each cell is a character from 
+the input text in the chosen font """,
+         "Joao S. O. Bueno",
+         "Copyright Joao S.O. Bueno 2009. GPL v3.0",
+         "2009",
+         N_("New _Brush from Text..."),
+         "",
+         [
+            (PF_FONT, "font", "Font","Sans"),
+            (PF_INT, "size", "Pixel Size", 50),
+            (PF_STRING, "text", "text",
+             "The GNU Image Manipulation Program")
+         ],
+         [],
+         text_brush,
+         menu="<Image>/File/Create",
+         domain=("gimp20-python", gimp.locale_directory)
+        )
+main()