[Bf-extensions-cvs] [4a4a74c7] master: Initial commit renderslot: T51421

[kostex]

Commit: 4a4a74c7030962194bcea26b201e1a28133e75be
Author: kostex
Date:   Sun May 7 01:05:34 2017 +0200
Branches: master
https://developer.blender.org/rBAC4a4a74c7030962194bcea26b201e1a28133e75be

Initial commit renderslot: T51421

===================================================================

A	render_renderslot.py

===================================================================

diff --git a/render_renderslot.py b/render_renderslot.py
new file mode 100644
index 00000000..7be5b587
--- /dev/null
+++ b/render_renderslot.py
@@ -0,0 +1,119 @@
+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+#  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 2
+#  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, write to the Free Software Foundation,
+#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+bl_info = {
+    "name": "KTX RenderSlot",
+    "author": "Roel Koster, @koelooptiemanna, irc:kostex",
+    "version": (1, 2),
+    "blender": (2, 7, 0),
+    "location": "Properties Editor > Render > Render",
+    "category": "Render"}
+
+import bpy
+from bpy.types import Operator
+from bpy.props import IntProperty
+from sys import platform
+from bpy.app.handlers import persistent
+
+nullpath = '/nul' if platform == 'win32' else '/dev/null'
+
+
+class SlotBuffer():
+    data = '00000000'
+
+
+class KTX_RenderSlot(Operator):
+    bl_label = "Select Render Slot"
+    bl_idname = "ktx.renderslot"
+    bl_description = ("Select Render Slot\n"
+                      "Note: Dot Besides the number slot has data\n"
+                      "< is active slot")
+
+    number = IntProperty()
+
+    def execute(self, context):
+        bpy.data.images['Render Result'].render_slots.active_index = self.number
+
+        return {'FINISHED'}
+
+
+class KTX_CheckSlots(Operator):
+    bl_label = "Check Render Slots"
+    bl_idname = "ktx.checkslots"
+    bl_description = "Check Render Slots Occupation"
+
+    def execute(self, context):
+        img = bpy.data.images['Render Result']
+        active = img.render_slots.active_index
+        slots = ''
+        i = 0
+        for i in range(8):
+            img.render_slots.active_index = i
+            try:
+                img.save_render(nullpath)
+                slots = slots + '1'
+            except:
+                slots = slots + '0'
+
+        bpy.context.scene.ktx_occupied_render_slots.data = slots
+        img.render_slots.active_index = active
+
+        return {'FINISHED'}
+
+
+def ui(self, context):
+        layout = self.layout
+        row = layout.row(align=True)
+        row.alignment = 'LEFT'
+        try:
+            active = bpy.data.images['Render Result'].render_slots.active_index
+            row = layout.row(align=True)
+            row.alignment = 'EXPAND'
+            i = 0
+            for i in range(8):
+                is_active = bool(i==active)
+                test_active = bool(bpy.context.scene.ktx_occupied_render_slots.data[i] == '1')
+                icons = "LAYER_ACTIVE" if test_active else "BLANK1"
+                label = str(i + 1)+"<" if is_active else str(i + 1)
+                row.operator('ktx.renderslot', text=label, icon=icons).number = i
+        except:
+            row.label(text="No Render Slots available yet", icon="INFO")
+
+
+ at persistent
+def ktx_render_handler(scene):
+    bpy.ops.ktx.checkslots()
+
+
+def register():
+    bpy.utils.register_module(__name__)
+    bpy.types.RENDER_PT_render.prepend(ui)
+    bpy.types.Scene.ktx_occupied_render_slots = SlotBuffer()
+
+    bpy.app.handlers.render_post.append(ktx_render_handler)
+
+def unregister():
+    bpy.utils.unregister_module(__name__)
+    bpy.types.RENDER_PT_render.remove(ui)
+    del bpy.types.Scene.ktx_occupied_render_slots
+
+    bpy.app.handlers.render_post.remove(ktx_render_handler)
+
+
+if __name__ == "__main__":
+    register()