diff options
Diffstat (limited to 'io_mesh_uv_layout/__init__.py')
| -rw-r--r-- | io_mesh_uv_layout/__init__.py | 299 |
1 files changed, 150 insertions, 149 deletions
diff --git a/io_mesh_uv_layout/__init__.py b/io_mesh_uv_layout/__init__.py index 30dff949..bd2c97bd 100644 --- a/io_mesh_uv_layout/__init__.py +++ b/io_mesh_uv_layout/__init__.py @@ -22,7 +22,7 @@ bl_info = { "name": "UV Layout", "author": "Campbell Barton, Matt Ebb", "version": (1, 1, 1), - "blender": (2, 75, 0), + "blender": (2, 80, 0), "location": "Image-Window > UVs > Export UV Layout", "description": "Export the UV layout as a 2D graphic", "warning": "", @@ -43,15 +43,16 @@ if "bpy" in locals(): if "export_uv_svg" in locals(): importlib.reload(export_uv_svg) +import os import bpy from bpy.props import ( - StringProperty, - BoolProperty, - EnumProperty, - IntVectorProperty, - FloatProperty, - ) + StringProperty, + BoolProperty, + EnumProperty, + IntVectorProperty, + FloatProperty, +) class ExportUVLayout(bpy.types.Operator): @@ -61,172 +62,171 @@ class ExportUVLayout(bpy.types.Operator): bl_label = "Export UV Layout" bl_options = {'REGISTER', 'UNDO'} - filepath = StringProperty( - subtype='FILE_PATH', - ) - check_existing = BoolProperty( - name="Check Existing", - description="Check and warn on overwriting existing files", - default=True, - options={'HIDDEN'}, - ) - export_all = BoolProperty( - name="All UVs", - description="Export all UVs in this mesh (not just visible ones)", - default=False, - ) - modified = BoolProperty( - name="Modified", - description="Exports UVs from the modified mesh", - default=False, - ) - mode = EnumProperty( - items=(('SVG', "Scalable Vector Graphic (.svg)", - "Export the UV layout to a vector SVG file"), - ('EPS', "Encapsulate PostScript (.eps)", - "Export the UV layout to a vector EPS file"), - ('PNG', "PNG Image (.png)", - "Export the UV layout to a bitmap image"), - ), - name="Format", - description="File format to export the UV layout to", - default='PNG', - ) - size = IntVectorProperty( - size=2, - default=(1024, 1024), - min=8, max=32768, - description="Dimensions of the exported file", - ) - opacity = FloatProperty( - name="Fill Opacity", - min=0.0, max=1.0, - default=0.25, - description="Set amount of opacity for exported UV layout" - ) - tessellated = BoolProperty( - name="Tessellated UVs", - description="Export tessellated UVs instead of polygons ones", - default=False, - options={'HIDDEN'}, # As not working currently :/ - ) + filepath: StringProperty( + subtype='FILE_PATH', + ) + export_all: BoolProperty( + name="All UVs", + description="Export all UVs in this mesh (not just visible ones)", + default=False, + ) + modified: BoolProperty( + name="Modified", + description="Exports UVs from the modified mesh", + default=False, + ) + mode: EnumProperty( + items=( + ('SVG', "Scalable Vector Graphic (.svg)", + "Export the UV layout to a vector SVG file"), + ('EPS', "Encapsulate PostScript (.eps)", + "Export the UV layout to a vector EPS file"), + ('PNG', "PNG Image (.png)", + "Export the UV layout to a bitmap image"), + ), + name="Format", + description="File format to export the UV layout to", + default='PNG', + ) + size: IntVectorProperty( + size=2, + default=(1024, 1024), + min=8, max=32768, + description="Dimensions of the exported file", + ) + opacity: FloatProperty( + name="Fill Opacity", + min=0.0, max=1.0, + default=0.25, + description="Set amount of opacity for exported UV layout", + ) @classmethod def poll(cls, context): obj = context.active_object - return (obj and obj.type == 'MESH' and obj.data.uv_textures) + return obj is not None and obj.type == 'MESH' and obj.data.uv_layers - def _space_image(self, context): - space_data = context.space_data - if isinstance(space_data, bpy.types.SpaceImageEditor): - return space_data - else: - return None - - def _image_size(self, context, default_width=1024, default_height=1024): - # fallback if not in image context. - image_width, image_height = default_width, default_height + def invoke(self, context, event): + self.size = self.get_image_size(context) + self.filepath = self.get_default_file_name(context) + "." + self.mode.lower() + context.window_manager.fileselect_add(self) + return {'RUNNING_MODAL'} - space_data = self._space_image(context) - if space_data: - image = space_data.image - if image: - width, height = tuple(context.space_data.image.size) - # in case no data is found. - if width and height: - image_width, image_height = width, height + def get_default_file_name(self, context): + AMOUNT = 3 + objects = list(self.iter_objects_to_export(context)) + name = " ".join(sorted([obj.name for obj in objects[:AMOUNT]])) + if len(objects) > AMOUNT: + name += " and more" + return name - return image_width, image_height + def check(self, context): + if any(self.filepath.endswith(ext) for ext in (".png", ".eps", ".svg")): + self.filepath = self.filepath[:-4] - def _face_uv_iter(self, context, mesh, tessellated): - uv_layer = mesh.uv_layers.active.data - polys = mesh.polygons - - if not self.export_all: - uv_tex = mesh.uv_textures.active.data - local_image = Ellipsis - - if context.tool_settings.show_uv_local_view: - space_data = self._space_image(context) - if space_data: - local_image = space_data.image - - for i, p in enumerate(polys): - # context checks - if polys[i].select and local_image in {Ellipsis, - uv_tex[i].image}: - start = p.loop_start - end = start + p.loop_total - uvs = tuple((uv.uv[0], uv.uv[1]) - for uv in uv_layer[start:end]) - - # just write what we see. - yield (i, uvs) - else: - # all, simple - for i, p in enumerate(polys): - start = p.loop_start - end = start + p.loop_total - uvs = tuple((uv.uv[0], uv.uv[1]) for uv in uv_layer[start:end]) - yield (i, uvs) + ext = "." + self.mode.lower() + self.filepath = bpy.path.ensure_ext(self.filepath, ext) + return True def execute(self, context): - obj = context.active_object is_editmode = (obj.mode == 'EDIT') if is_editmode: bpy.ops.object.mode_set(mode='OBJECT', toggle=False) - mode = self.mode - filepath = self.filepath - filepath = bpy.path.ensure_ext(filepath, "." + mode.lower()) - file = open(filepath, "w") - fw = file.write - - if mode == 'EPS': - from . import export_uv_eps - func = export_uv_eps.write - elif mode == 'PNG': - from . import export_uv_png - func = export_uv_png.write - elif mode == 'SVG': - from . import export_uv_svg - func = export_uv_svg.write + filepath = bpy.path.ensure_ext(filepath, "." + self.mode.lower()) + meshes = list(self.iter_meshes_to_export(context)) + polygon_data = list(self.iter_polygon_data_to_draw(context, meshes)) + different_colors = set(color for _, color in polygon_data) if self.modified: - mesh = obj.to_mesh(context.scene, True, 'PREVIEW') - else: - mesh = obj.data + self.free_meshes(meshes) - func(fw, mesh, self.size[0], self.size[1], self.opacity, - lambda: self._face_uv_iter(context, mesh, self.tessellated)) - - if self.modified: - bpy.data.meshes.remove(mesh) + export = self.get_exporter() + export(filepath, polygon_data, different_colors, self.size[0], self.size[1], self.opacity) if is_editmode: bpy.ops.object.mode_set(mode='EDIT', toggle=False) - file.close() - return {'FINISHED'} - def check(self, context): - filepath = bpy.path.ensure_ext(self.filepath, "." + self.mode.lower()) - if filepath != self.filepath: - self.filepath = filepath - return True - else: - return False + def iter_meshes_to_export(self, context): + for obj in self.iter_objects_to_export(context): + if self.modified: + yield obj.to_mesh(context.depsgraph, apply_modifiers=True) + else: + yield obj.data + + @staticmethod + def iter_objects_to_export(context): + for obj in context.selected_objects: + if obj.type != 'MESH': + continue + mesh = obj.data + if mesh.uv_layers.active is None: + continue + yield obj - def invoke(self, context, event): - import os - self.size = self._image_size(context) - self.filepath = os.path.splitext(bpy.data.filepath)[0] - wm = context.window_manager - wm.fileselect_add(self) - return {'RUNNING_MODAL'} + @staticmethod + def free_meshes(meshes): + for mesh in meshes: + bpy.data.meshes.remove(mesh) + + @staticmethod + def currently_image_image_editor(context): + return isinstance(context.space_data, bpy.types.SpaceImageEditor) + + def get_currently_opened_image(self, context): + if not self.currently_image_image_editor(context): + return None + return context.space_data.image + + def get_image_size(self, context): + # fallback if not in image context + image_width = self.size[0] + image_height = self.size[1] + + # get size of "active" image if some exist + image = self.get_currently_opened_image(context) + if image is not None: + width, height = image.size + if width and height: + image_width = width + image_height = height + + return image_width, image_height + + def iter_polygon_data_to_draw(self, context, meshes): + for mesh in meshes: + uv_layer = mesh.uv_layers.active.data + for polygon in mesh.polygons: + if self.export_all or polygon.select: + start = polygon.loop_start + end = start + polygon.loop_total + uvs = tuple(tuple(uv.uv) for uv in uv_layer[start:end]) + yield (uvs, self.get_polygon_color(mesh, polygon)) + + @staticmethod + def get_polygon_color(mesh, polygon, default=(0.8, 0.8, 0.8)): + if polygon.material_index < len(mesh.materials): + material = mesh.materials[polygon.material_index] + if material is not None: + return tuple(material.diffuse_color) + return default + + def get_exporter(self): + if self.mode == 'PNG': + from . import export_uv_png + return export_uv_png.export + elif self.mode == 'EPS': + from . import export_uv_eps + return export_uv_eps.export + elif self.mode == 'SVG': + from . import export_uv_svg + return export_uv_svg.export + else: + assert False def menu_func(self, context): @@ -234,13 +234,14 @@ def menu_func(self, context): def register(): - bpy.utils.register_module(__name__) + bpy.utils.register_class(ExportUVLayout) bpy.types.IMAGE_MT_uvs.append(menu_func) def unregister(): - bpy.utils.unregister_module(__name__) + bpy.utils.unregister_class(ExportUVLayout) bpy.types.IMAGE_MT_uvs.remove(menu_func) + if __name__ == "__main__": register() |