77 lines
2.3 KiB
Python
77 lines
2.3 KiB
Python
# This sample script demonstrates how to place a custom icon on a button or
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# menu entry.
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#
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# IMPORTANT NOTE: if you run this sample, there will be no icon in the button
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# You need to replace the image path with a real existing one.
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# For distributable scripts, it is recommended to place the icons inside the
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# addon folder and access it relative to the py script file for portability
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#
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#
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# Other use cases for UI-previews:
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# - provide a fixed list of previews to select from
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# - provide a dynamic list of preview (eg. calculated from reading a directory)
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#
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# For the above use cases, see the template 'ui_previews_dynamic_enum.py"
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import os
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import bpy
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class PreviewsExamplePanel(bpy.types.Panel):
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"""Creates a Panel in the Object properties window"""
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bl_label = "Previews Example Panel"
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bl_idname = "OBJECT_PT_previews"
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bl_space_type = 'PROPERTIES'
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bl_region_type = 'WINDOW'
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bl_context = "object"
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def draw(self, context):
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layout = self.layout
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pcoll = preview_collections["main"]
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row = layout.row()
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my_icon = pcoll["my_icon"]
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row.operator("render.render", icon_value=my_icon.icon_id)
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# my_icon.icon_id can be used in any UI function that accepts
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# icon_value # try also setting text=""
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# to get an icon only operator button
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# We can store multiple preview collections here,
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# however in this example we only store "main"
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preview_collections = {}
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def register():
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# Note that preview collections returned by bpy.utils.previews
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# are regular py objects - you can use them to store custom data.
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import bpy.utils.previews
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pcoll = bpy.utils.previews.new()
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# path to the folder where the icon is
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# the path is calculated relative to this py file inside the addon folder
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my_icons_dir = os.path.join(os.path.dirname(__file__), "icons")
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# load a preview thumbnail of a file and store in the previews collection
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pcoll.load("my_icon", os.path.join(my_icons_dir, "icon-image.png"), 'IMAGE')
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preview_collections["main"] = pcoll
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bpy.utils.register_class(PreviewsExamplePanel)
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def unregister():
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for pcoll in preview_collections.values():
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bpy.utils.previews.remove(pcoll)
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preview_collections.clear()
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bpy.utils.unregister_class(PreviewsExamplePanel)
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if __name__ == "__main__":
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register()
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