108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
// Copyright 2023 The Draco Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#ifndef DRACO_METADATA_PROPERTY_ATTRIBUTE_H_
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#define DRACO_METADATA_PROPERTY_ATTRIBUTE_H_
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#include "draco/draco_features.h"
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#ifdef DRACO_TRANSCODER_SUPPORTED
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#include <memory>
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#include <string>
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#include <vector>
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#include "draco/core/status_or.h"
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namespace draco {
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// Describes a property attribute as defined in the EXT_structural_metadata glTF
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// extension.
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class PropertyAttribute {
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public:
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// Describes where property is stored (as an attribute).
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class Property {
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public:
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// Creates an empty property.
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Property() = default;
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// Methods for comparing two properties.
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bool operator==(const Property &other) const;
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bool operator!=(const Property &other) const { return !(*this == other); }
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// Copies all data from |src| property.
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void Copy(const Property &src);
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// Name of this property.
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void SetName(const std::string &name);
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const std::string &GetName() const;
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// Name of glTF attribute containing property values, like "_DIRECTION".
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void SetAttributeName(const std::string &name);
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const std::string &GetAttributeName() const;
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private:
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// Name of this property as in structural metadata schema class property.
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std::string name_;
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// Name of glTF attribute containing property values, like "_DIRECTION".
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std::string attribute_name_;
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// TODO(vytyaz): Support property value modifiers min, max, offset, scale.
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};
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// Creates an empty property attribute.
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PropertyAttribute() = default;
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// Methods for comparing two property attributes.
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bool operator==(const PropertyAttribute &other) const;
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bool operator!=(const PropertyAttribute &other) const {
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return !(*this == other);
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}
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// Copies all data from |src| property attribute.
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void Copy(const PropertyAttribute &src);
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// Name of this property attribute.
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void SetName(const std::string &value);
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const std::string &GetName() const;
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// Class of this property attribute.
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void SetClass(const std::string &value);
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const std::string &GetClass() const;
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// Properties.
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int AddProperty(std::unique_ptr<Property> property);
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int NumProperties() const;
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const Property &GetProperty(int index) const;
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Property &GetProperty(int index);
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void RemoveProperty(int index);
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private:
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// The name of the property attribute, e.g., for display purposes.
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std::string name_;
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// The class in structural metadata schema that property values conform to.
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std::string class_;
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// Properties corresponding to schema class properties, describing where the
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// property values are stored (as attributes).
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std::vector<std::unique_ptr<Property>> properties_;
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};
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} // namespace draco
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#endif // DRACO_TRANSCODER_SUPPORTED
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#endif // DRACO_METADATA_PROPERTY_ATTRIBUTE_H_
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