From 509730c943dad11948eb7b0bf4d74566a7d6e4fe Mon Sep 17 00:00:00 2001
From: JazzyNico <nicoduf@yahoo.fr>
Date: Thu, 12 Aug 2010 17:01:54 +0200
Subject: [PATCH] Extensions. New -Save Background- option and help tab in Gimp
 XCF export.

---
 share/extensions/gimp_xcf.inx | 18 +++++++++++++++---
 share/extensions/gimp_xcf.py  | 15 ++++++++++++++-
 2 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/share/extensions/gimp_xcf.inx b/share/extensions/gimp_xcf.inx
index 6f24485f0..399d2a0f8 100644
--- a/share/extensions/gimp_xcf.inx
+++ b/share/extensions/gimp_xcf.inx
@@ -6,9 +6,21 @@
 	<dependency type="executable" location="extensions">gimp_xcf.py</dependency>
 	<dependency type="executable" location="extensions">inkex.py</dependency>
 	<dependency type="executable" location="path">gimp</dependency>
-	
-	<param name="guides" type="boolean" _gui-text="Save Guides:">false</param>
-	<param name="grid" type="boolean" _gui-text="Save Grid:">false</param>
+	<param name="tab" type="notebook">
+        <page name="Options" _gui-text="Options">
+        <param name="guides" type="boolean" _gui-text="Save Guides:">false</param>
+        <param name="grid" type="boolean" _gui-text="Save Grid:">false</param>
+        <param name="background" type="boolean" _gui-text="Save Background:">false</param>
+        </page>
+        <page name="Help" _gui-text="Help">
+            <_param name="instructions" type="description" xml:space="preserve">This extension exports the document to Gimp XCF format according to the following options:
+    * Save Guides: convert all guides to Gimp guides.
+    * Save Grid: convert the first rectangular grid to a Gimp grid (note that the default Inkscape grid is very narrow when shown in Gimp).
+    * Save Background: add the document background to each converted layer.
+
+Each first level layer is converted to a Gimp layer. Sublayers are are concatenated and converted with their first level parent layer into a single Gimp layer.</_param>
+        </page>
+    </param>        
     <output>
                 <extension>.xcf</extension>
                 <mimetype>application/x-xcf</mimetype>
diff --git a/share/extensions/gimp_xcf.py b/share/extensions/gimp_xcf.py
index 6522f94d5..02127059c 100755
--- a/share/extensions/gimp_xcf.py
+++ b/share/extensions/gimp_xcf.py
@@ -29,6 +29,9 @@ except:
 class MyEffect(inkex.Effect):
     def __init__(self):
         inkex.Effect.__init__(self)
+        self.OptionParser.add_option("--tab",
+                                     action="store", type="string",
+                                     dest="tab")
         self.OptionParser.add_option("-d", "--guides",
                                          action="store", type="inkbool",
                                          dest="saveGuides", default=False,
@@ -37,6 +40,11 @@ class MyEffect(inkex.Effect):
                                          action="store", type="inkbool",
                                          dest="saveGrid", default=False,
                                          help="Save the Grid with the .XCF")
+        self.OptionParser.add_option("-b", "--background",
+                                         action="store", type="inkbool",
+                                         dest="layerBackground", default=False,
+                                         help="Add background color to each layer")
+
     def output(self):
         pass
 
@@ -99,6 +107,11 @@ class MyEffect(inkex.Effect):
 
         # Layers
         area = '--export-area-page'
+        opacity = '--export-background-opacity='
+        if self.options.layerBackground:
+            opacity += "1"
+        else:
+            opacity += "0"
         pngs = []
         names = []
         path = "/svg:svg/*[name()='g' or @style][@id]"
@@ -110,7 +123,7 @@ class MyEffect(inkex.Effect):
                 else:
                     name = id
                 filename = os.path.join(tmp_dir, "%s.png" % id)
-                command = "inkscape -i %s -j %s -e %s %s " % (id, area, filename, svg_file)
+                command = "inkscape -i %s -j %s %s -e %s %s " % (id, area, opacity, filename, svg_file)
                 if bsubprocess:
                     p = Popen(command, shell=True, stdout=PIPE, stderr=PIPE)
                     return_code = p.wait()
-- 
2.30.2