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Adding Ch7 source
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‎SourceCode/Ch7/__init__.py

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# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# GNU GPLv3, 29 June 2007
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#
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# Examples from Ch7 of the book "Blender Scripting with Python" by Isabel Lupiani.
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# Copyright (C) 2024 Isabel Lupiani, Apress.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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# ##### END GPL LICENSE BLOCK #####
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__all__ = (
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"apply_modifiers",
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"create_and_save_images",
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"maximize_screen_area",
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"split_screen_area",
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"unwrap_model",
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"uv_settings",
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"view_fit"
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)

‎SourceCode/Ch7/apply_modifiers.py

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# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# GNU GPLv3, 29 June 2007
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#
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# Examples from Ch7 of the book "Blender Scripting with Python" by Isabel Lupiani.
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# Copyright (C) 2024 Isabel Lupiani, Apress.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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# ##### END GPL LICENSE BLOCK #####
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__all__ = (
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"apply_all_modifiers",
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"apply_given_modifier",
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)
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import bpy
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import os, sys
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script_dir = ''
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if bpy.context.space_data and bpy.context.space_data.text:
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script_filepath = bpy.context.space_data.text.filepath
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if script_filepath:
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script_dir = os.path.dirname(script_filepath)
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if not script_dir in sys.path:
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sys.path.append(script_dir)
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from view_fit import get_context_override
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def apply_all_modifiers(context, obj_to_apply_modifier):
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for obj in context.view_layer.objects:
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obj.select_set(False)
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context.view_layer.objects.active = obj_to_apply_modifier
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obj_to_apply_modifier.select_set(True)
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context_override, override_succesful = get_context_override(context, 'VIEW_3D', 'WINDOW')
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if override_succesful:
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with bpy.context.temp_override(**context_override):
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bpy.ops.object.mode_set(mode='OBJECT')
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context_override, override_succesful = get_context_override(context, 'VIEW_3D', 'WINDOW')
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if override_succesful:
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with bpy.context.temp_override(**context_override):
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for m in obj_to_apply_modifier.modifiers:
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bpy.ops.object.modifier_apply(modifier=m.name)
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def apply_given_modifier(context, obj_to_apply_modifier, modifier_type, modifier_name):
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for obj in context.view_layer.objects:
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obj.select_set(False)
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context.view_layer.objects.active = obj_to_apply_modifier
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obj_to_apply_modifier.select_set(True)
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context_override, override_succesful = get_context_override(context, 'VIEW_3D', 'WINDOW')
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if override_succesful:
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with bpy.context.temp_override(**context_override):
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bpy.ops.object.mode_set(mode='OBJECT')
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context_override, override_succesful = get_context_override(context, 'VIEW_3D', 'WINDOW')
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if override_succesful:
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with bpy.context.temp_override(**context_override):
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for m in obj_to_apply_modifier.modifiers:
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if m.type==modifier_type and m.name==modifier_name:
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bpy.ops.object.modifier_apply(modifier=m.name)
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return
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if __name__ == "__main__":
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# Apply all modifiers to the current active object.
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#apply_all_modifiers(bpy.context, bpy.context.view_layer.objects.active)
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if bpy.context.scene.objects.find("test_cube") >= 0:
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apply_given_modifier(bpy.context, bpy.context.scene.objects["test_cube"], 'BEVEL', "b")

‎SourceCode/Ch7/create_and_save_images.py

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# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# GNU GPLv3, 29 June 2007
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#
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# Examples from Ch7 of the book "Blender Scripting with Python" by Isabel Lupiani.
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# Copyright (C) 2024 Isabel Lupiani, Apress.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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# ##### END GPL LICENSE BLOCK #####
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__all__ = (
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"create_image_data_block",
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"save_image_to_file"
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)
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import bpy
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import sys
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import os
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script_dir = ''
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if bpy.context.space_data and bpy.context.space_data.text:
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script_filepath = bpy.context.space_data.text.filepath
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if script_filepath:
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script_dir = os.path.dirname(script_filepath)
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if not script_dir in sys.path:
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sys.path.append(script_dir)
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from split_screen_area import split_screen_area
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from uv_settings import get_image_editor, get_uv_editor
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from view_fit import get_context_override
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def create_image_data_block(context, name, image_type='UV_GRID', color=(0, 0, 0, 1), image_filepath='', display_image=True, area_ui_type='IMAGE_EDITOR'):
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image_block = None
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if bpy.data.images.find(name) < 0 or not bpy.data.images[name].has_data:
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if os.path.isfile(image_filepath):
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image_block = bpy.data.images.load(image_filepath)
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image_block.name = name
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else:
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bpy.data.images.new(name=name, width=1024, height=1024, alpha=True, float_buffer=False, stereo3d=False)
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image_block = bpy.data.images[name]
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else:
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image_block = bpy.data.images[name]
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image_block.generated_color = color
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image_block.generated_type = image_type
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if not display_image:
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return image_block, None
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[image_editor_area, image_editor_space, uv_editor] = [None, None, None]
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if area_ui_type=='IMAGE_EDITOR':
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[image_editor_area, image_editor_space] = get_image_editor(context, name)
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else:
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[image_editor_area, image_editor_space, uv_editor] = get_uv_editor(context, name)
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if image_editor_space:
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image_editor_space.image = image_block
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else:
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image_editor_area = split_screen_area(context, 'VERTICAL', 0.5, 'IMAGE_EDITOR', area_ui_type, False)
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for s in image_editor_area.spaces:
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if s.type == 'IMAGE_EDITOR':
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image_editor_space = s
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image_editor_space.image = image_block
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if area_ui_type == 'UV':
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uv_editor = s.uv_editor
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break
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image_editor_context_override, override_successful = get_context_override(context, 'IMAGE_EDITOR', 'WINDOW', image_editor_area.x, name)
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if override_successful:
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with bpy.context.temp_override(**image_editor_context_override):
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bpy.ops.image.view_all(fit_view=True)
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return image_block, uv_editor
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def save_image_to_file(context, name, dirpath):
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if bpy.data.images.find(name) < 0:
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print("No image by the name " + name + " exists.")
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return
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image = bpy.data.images[name]
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image.filepath_raw = dirpath + '\\' + name + '.png'
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image.file_format = 'PNG'
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image.save()
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if __name__ == "__main__":
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create_image_data_block(bpy.context, "test_image_block_uv_grid", image_type='UV_GRID', color=(0, 0, 0, 1), \
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image_filepath='', display_image=True, area_ui_type='UV')
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save_image_to_file(bpy.context, "test_image_block_uv_grid", script_dir)
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create_image_data_block(bpy.context, "test_image_block_from_file", image_type='BLANK', color = (0, 0, 0, 1), \
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image_filepath = os.path.join(script_dir, "modeling_reference_front.jpg"), display_image = True, area_ui_type='IMAGE_EDITOR')
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save_image_to_file(bpy.context, "test_image_block_from_file", script_dir)

‎SourceCode/Ch7/maximize_screen_area.py

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# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# GNU GPLv3, 29 June 2007
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#
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# Examples from Ch7 of the book "Blender Scripting with Python" by Isabel Lupiani.
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# Copyright (C) 2024 Isabel Lupiani, Apress.
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#
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# This program is free software: you can redistribute it and/or modify
9+
# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
15+
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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# ##### END GPL LICENSE BLOCK #####
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__all__ = (
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"maximize_screen_area",
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)
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import bpy
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def maximize_screen_area(context, type_of_area_to_maximize):
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for window in context.window_manager.windows:
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for area in window.screen.areas:
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if area.type == type_of_area_to_maximize:
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for region in area.regions:
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if region.type == 'WINDOW':
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# Create a context override (a Python dictionary) containing
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# the target area, so the operator call knows which area to
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# maximize.
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override = {'window': window, 'screen': window.screen, \
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'area': area,'region': region}
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with bpy.context.temp_override(**override):
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bpy.ops.screen.screen_full_area()
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break
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if __name__ == "__main__":
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maximize_screen_area(bpy.context, 'VIEW_3D')

‎SourceCode/Ch7/modeling_reference_front.jpg

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‎SourceCode/Ch7/split_screen_area.py

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# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# GNU GPLv3, 29 June 2007
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#
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# Examples from Ch7 of the book "Blender Scripting with Python" by Isabel Lupiani.
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# Copyright (C) 2024 Isabel Lupiani, Apress.
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#
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# This program is free software: you can redistribute it and/or modify
9+
# it under the terms of the GNU General Public License as published by
10+
# the Free Software Foundation, either version 3 of the License, or
11+
# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
15+
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
19+
# along with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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# ##### END GPL LICENSE BLOCK #####
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__all__ = (
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"split_screen_area",
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)
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import bpy
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def split_screen_area(context, split_dir, split_ratio, type_of_new_area, ui_type_of_new_area, check_existing=False):
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existing_areas = list(context.screen.areas)
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if check_existing:
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for area in existing_areas:
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# Found an existing area of matching type
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if area.type == type_of_new_area and area.ui_type == ui_type_of_new_area:
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return area
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bpy.ops.screen.area_split(direction=split_dir, factor=split_ratio)
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for area in context.screen.areas:
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if area not in existing_areas:
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area.type = type_of_new_area
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area.ui_type = ui_type_of_new_area
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return area
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if __name__ == "__main__":
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# Split the screen area vertically to create a new UV Editor.
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new_uv_editor_vertical = split_screen_area(bpy.context, 'VERTICAL', 0.5, 'IMAGE_EDITOR', 'UV')
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# Split the screen area vertically to create a new Image Editor.
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new_image_editor_vertical = split_screen_area(bpy.context, 'VERTICAL', 0.5, 'IMAGE_EDITOR', 'IMAGE_EDITOR')
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# Split the screen area horizontally to create a new UV editor.
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new_uv_editor_horizontal = split_screen_area(bpy.context, 'HORIZONTAL', 0.5, 'IMAGE_EDITOR', 'UV')
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# Split the screen area horizontally to create a new Image editor.
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new_image_editor_horizontal = split_screen_area(bpy.context, 'HORIZONTAL', 0.5, 'IMAGE_EDITOR', 'IMAGE_EDITOR')

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