measureit_main.py

# -------------------------------------------------------------
def get_selected_vertex(myobject):
    mylist = []
    # if not mesh, no vertex
    if myobject.type != "MESH":
        return mylist
    # --------------------
    # meshes
    # --------------------
    oldobj = bpy.context.object
    bpy.context.view_layer.objects.active = myobject
    flag = False
    if myobject.mode != 'EDIT':
        bpy.ops.object.mode_set(mode='EDIT')
        flag = True

    bm = from_edit_mesh(myobject.data)
    tv = len(bm.verts)
    for v in bm.verts:
        if v.select:
            mylist.append(v.index)

    if flag is True:
        bpy.ops.object.editmode_toggle()
    # Back context object
    bpy.context.view_layer.objects.active = oldobj

    # if select all vertices, then use origin
    if tv == len(mylist):
        return []

    return mylist


# -------------------------------------------------------------
# Get vertex selected
# -------------------------------------------------------------
def get_selected_vertex_history(myobject):
    mylist = []
    # if not mesh, no vertex
    if myobject.type != "MESH":
        return mylist
    # --------------------
    # meshes
    # --------------------
    oldobj = bpy.context.object
    bpy.context.view_layer.objects.active = myobject
    flag = False
    if myobject.mode != 'EDIT':
        bpy.ops.object.mode_set(mode='EDIT')
        flag = True

    bm = from_edit_mesh(myobject.data)
    for v in bm.select_history:
        mylist.append(v.index)

    if flag is True:
        bpy.ops.object.editmode_toggle()
    # Back context object
    bpy.context.view_layer.objects.active = oldobj

    return mylist


# -------------------------------------------------------------
# Get vertex selected segments
# -------------------------------------------------------------
def get_smart_selected(myobject):
    mylist = []
    # if not mesh, no vertex
    if myobject.type != "MESH":
        return mylist
    # --------------------
    # meshes
    # --------------------
    oldobj = bpy.context.object
    bpy.context.view_layer.objects.active = myobject
    flag = False
    if myobject.mode != 'EDIT':
        bpy.ops.object.mode_set(mode='EDIT')
        flag = True

    bm = from_edit_mesh(myobject.data)
    for e in bm.edges:
        if e.select is True:
            mylist.append(e.verts[0].index)
            mylist.append(e.verts[1].index)

    if flag is True:
        bpy.ops.object.editmode_toggle()
    # Back context object
    bpy.context.view_layer.objects.active = oldobj

    return mylist


# -------------------------------------------------------------
# Get vertex selected faces
# -------------------------------------------------------------
def get_selected_faces(myobject):
    mylist = []
    # if not mesh, no vertex
    if myobject.type != "MESH":
        return mylist
    # --------------------
    # meshes
    # --------------------
    oldobj = bpy.context.object
    bpy.context.view_layer.objects.active = myobject
    flag = False
    if myobject.mode != 'EDIT':
        bpy.ops.object.mode_set(mode='EDIT')
        flag = True

    bm = from_edit_mesh(myobject.data)
    for e in bm.faces:
        myfaces = []
        if e.select is True:
            for i in range(len(e.verts)):
                myfaces.append(e.verts[i].index)

            mylist.extend([myfaces])

    if flag is True:
        bpy.ops.object.editmode_toggle()
    # Back context object
    bpy.context.view_layer.objects.active = oldobj

    return mylist