source/__init__.py

@@ -27,6 +27,7 @@ if "bpy" in locals():
 else:
     from . import import_ase
     from . import import_krita
+    from . import import_jascpal
 
 import bpy
 from bpy.props import (
@@ -75,15 +76,34 @@ class importKPL(bpy.types.Operator, ImportHelper):
     def draw(self, context):
         pass
 
+class ImportJASCPAL(bpy.types.Operator, ImportHelper):
+    """Load a JASC Palette File"""
+    bl_idname = "import_jascpal.read"
+    bl_label = "Import Palette"
+    bl_options = {'PRESET', 'UNDO'}
+
+    filename_ext = ".pal"
+    filter_glob: StringProperty(
+        default="*.pal",
+        options={'HIDDEN'},
+    )
+
+    def execute(self, context):
+        return import_jascpal.load(context, self.properties.filepath)
+
+    def draw(self, context):
+        pass
 
 def menu_func_import(self, context):
     self.layout.operator(importKPL.bl_idname, text="KPL Palette (.kpl)")
     self.layout.operator(ImportASE.bl_idname, text="ASE Palette (.ase)")
+    self.layout.operator(ImportJASCPAL.bl_idname, text="JASC/Gale Palette (.pal)")
 
 
 classes = (
     ImportASE,
     importKPL,
+    ImportJASCPAL,
 )
 
 

source/import_jascpal.py

@@ -0,0 +1,45 @@
+# SPDX-FileCopyrightText: 2024 Blender Foundation
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+
+"""
+This script imports a JASC-PAL/GraphicsGale Palette to Blender.
+
+Usage:
+Run this script from "File->Import" menu and then load the desired PAL file.
+"""
+
+import bpy
+import os
+import struct
+
+
+def load(context, filepath):
+    (path, filename) = os.path.split(filepath)
+
+    finput = open(filepath)
+
+    line = finput.readline()
+    assert line.strip() == "JASC-PAL"
+    line = finput.readline()
+    assert line.strip() == "0100"
+    line = finput.readline()
+    num_colors = int(line.strip())
+    assert num_colors >= 1
+
+    pal = bpy.data.palettes.new(name=filename)
+
+
+    for _ in range(num_colors):
+        line = finput.readline()
+        values = line.split()
+        palcol = pal.colors.new()
+        palcol.color[0] = int(values[0]) / 255.0
+        palcol.color[1] = int(values[1]) / 255.0
+        palcol.color[2] = int(values[2]) / 255.0
+
+    finput.close()
+
+    return {'FINISHED'}
+