added an example gimp-python plugin for applying some filters to a list of files (non-interactively)

python-gimp/batch_converter.py

@@ -0,0 +1,74 @@
+#!/usr/bin/env python
+#
+# Requisites:
+#	install vignette plugin: http://blog.tigion.de/2008/07/19/gimp-script-fu-photo-vignette/
+#	link this script to ~/.gimp-2.6/plug-ins/
+#
+# How to run:
+#	start gimp
+#	click (maybe twice) at the "Batch mode" menu entry (next to "Help")
+#	choose a file, that contains a list of absolute filenames of pictures (one per line)
+#
+# The resulting pictures are placed besides the originals with the given prefix (default: "converted_").
+#
+# Adapt the settings below to your needs!
+#
+
+import gimp
+import gimpfu
+import sys
+import os
+
+FILE_PREFIX = "converted_"
+
+# default: 7
+CARTOON_RADIUS = 30
+# default: 0.2
+CARTOON_BLACK = 0.4
+# default: 2
+POSTERIZE_COLORS = 4
+# default: (0, 0, 0)
+VIGNETTE_COLOR = (0, 0, 0)
+# default: 60 (%) (Deckkraft)
+VIGNETTE_COVERAGE = 60
+# default: 5
+VIGNETTE_RADIUS = 5
+# default: 75 (Haerte)
+VIGNETTE_STRENGTH = 75
+
+
+def get_output_filename(infilename):
+	return os.path.join(os.path.dirname(infilename), FILE_PREFIX + os.path.basename(infilename))
+
+
+def handle_file(infilename):
+	#pic = gimp.pdb.file_jpeg_load(infilename, gimpfu.RUN_NONINTERACTIVE)
+	pic = gimp.pdb.gimp_file_load(infilename, gimpfu.RUN_NONINTERACTIVE)
+	layer = pic.layers[0]
+	gimp.pdb.plug_in_cartoon(pic, layer, CARTOON_RADIUS, CARTOON_BLACK)
+	gimp.pdb.gimp_posterize(layer, POSTERIZE_COLORS)
+	gimp.pdb.script_fu_photo_vignette(pic, layer,
+			VIGNETTE_COLOR, VIGNETTE_COVERAGE, VIGNETTE_RADIUS, VIGNETTE_STRENGTH)
+	output_filename = get_output_filename(infilename)
+	gimp.pdb.gimp_file_save(pic, layer, output_filename, output_filename, run_mode=gimpfu.RUN_NONINTERACTIVE)
+
+
+def read_filelist(listfile):
+	for line in file(listfile).read().splitlines():
+		handle_file(line)
+
+
+gimpfu.register(
+		"python_fu_batch_convert",
+		"Convert some pictures via batch mode",
+		"Convert some pictures via batch mode",
+		"Lars Kruse",
+		"Lars Kruse",
+		"2009",
+		"<Toolbox>/Batch mode...", "",
+		[ (gimpfu.PF_FILE, "listfile", "Listendatei", "") ],
+		[],
+		read_filelist)
+
+gimpfu.main()
+