fix an error when changing workspace with file picker opened.

addons/blender_dds_addon/ui/bpy_util.py

@@ -18,17 +18,16 @@ def get_addon_preferences(context, addon_name):
 
 def get_image_editor_space(context):
     area = context.area
-    if area.type == 'IMAGE_EDITOR':
+    if area and area.type == 'IMAGE_EDITOR':
         return area.spaces.active
     return None
 
 
 def get_selected_tex(context):
     space = get_image_editor_space(context)
-    tex = space.image
-    if tex is None:
-        raise RuntimeError('Select an image on Image Editor.')
-    return tex
+    if space:
+        return space.image
+    return None
 
 
 def load_texture(file, name, color_space='Non-Color'):

addons/blender_dds_addon/ui/custom_properties.py

@@ -1,7 +1,7 @@
 import bpy
 from bpy.props import BoolProperty, EnumProperty, PointerProperty, CollectionProperty, IntProperty
 from bpy.types import PropertyGroup
-from .bpy_util import get_image_editor_space, dds_properties_exist
+from .bpy_util import get_selected_tex, dds_properties_exist
 from ..directx.dxgi_format import DXGI_FORMAT
 from .texture_list import DDSTextureListItem, draw_texture_list
 
@@ -145,7 +145,7 @@ def draw(self, context):
         if not dds_properties_exist():
             return
         layout = self.layout
-        tex = get_image_editor_space(context).image
+        tex = get_selected_tex(context)
         if tex is None:
             return
         dds_props = tex.dds_props

addons/blender_dds_addon/ui/export_dds.py

@@ -14,7 +14,7 @@
 
 from ..directx.dds import is_hdr, DDS
 from ..directx.texconv import Texconv
-from .bpy_util import save_texture, dds_properties_exist, get_selected_tex, flush_stdout
+from .bpy_util import save_texture, dds_properties_exist, get_image_editor_space, flush_stdout
 from .texture_list import draw_texture_list
 
 
@@ -240,7 +240,14 @@ def execute_base(self, context, file=None, directory=None, is_dir=False):
                     count += 1
             else:
                 # For DDS_OT_export_dds
-                tex = get_selected_tex(context)
+                space = get_image_editor_space(context)
+                if space is None:
+                    raise RuntimeError('Image Editor should be activated.')
+                tex = space.image
+                if tex is None:
+                    raise RuntimeError('An image should be selected on Image Editor.')
+                if dds_properties_exist() and tex.dds_props.dxgi_format == "NONE":
+                    raise RuntimeError("DXGI format should NOT be 'None'.")
                 export_as_dds(context, tex, file)
                 count = 1
 
@@ -278,10 +285,6 @@ class DDS_OT_export_dds(DDS_OT_export_base, ExportHelper):
     )
 
     def invoke(self, context, event):
-        tex = get_selected_tex(context)
-        if dds_properties_exist() and tex.dds_props.dxgi_format == "NONE":
-            self.report({'ERROR'}, "Select a DXGI format for the image.")
-            return {'CANCELLED'}
         return ExportHelper.invoke(self, context, event)
 
     def execute(self, context):

addons/blender_dds_addon/ui/texture_list.py

@@ -1,7 +1,7 @@
 import bpy
 from bpy.props import PointerProperty, EnumProperty
 from bpy.types import PropertyGroup, Image, UIList, Operator
-from .bpy_util import get_image_editor_space, dds_properties_exist
+from .bpy_util import get_selected_tex, dds_properties_exist
 
 
 class DDSTextureListItem(PropertyGroup):
@@ -38,8 +38,7 @@ def draw_filter(self, context, layout):
 def get_tex(context):
     if not dds_properties_exist():
         return None
-    tex = get_image_editor_space(context).image
-    return tex
+    return get_selected_tex(context)
 
 
 class DDS_OT_list_new_item(Operator):
@@ -130,7 +129,7 @@ def check_tex_status(context, extra_tex, layout, show_msg=False):
         if show_msg:
             layout.label(text="Specify a texture or remove this item.")
         return
-    tex = get_image_editor_space(context).image
+    tex = get_selected_tex(context)
     w, h = tex.size
     extra_w, extra_h = extra_tex.size
     if w != extra_w or h != extra_h:

changelog.txt

@@ -1,3 +1,7 @@
+ver 0.3.2
+- Fixed an error when importing dds without image editor opened.
+- Fixed an error when changing workspace with file picker opened.
+
 ver 0.3.1
 - Fixed an error when loading volume textures.