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* Copyright 2020 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef SkottieCamera_DEFINED
#define SkottieCamera_DEFINED
#include "modules/skottie/src/Transform.h"
namespace skottie {
namespace internal {
class CameraAdaper final : public TransformAdapter3D {
CameraAdaper(const skjson::ObjectValue& jlayer,
const skjson::ObjectValue& jtransform,
const AnimationBuilder& abuilder,
const SkSize& viewport_size);
~CameraAdaper() override;
// Used in the absence of an explicit camera layer.
static sk_sp<sksg::Transform> DefaultCameraTransform(const SkSize& viewport_size);
SkM44 totalMatrix() const override;
enum class CameraType {
kOneNode, // implicitly facing forward (decreasing z), does not auto-orient
kTwoNode, // explicitly facing a POI (the anchor point), auto-orients
SkV3 poi(const SkV3& pos) const;
const SkSize fViewportSize;
const CameraType fType;
ScalarValue fZoom = 0;
using INHERITED = TransformAdapter3D;
} // namespace internal
} // namespace skottie
#endif // SkottieCamera_DEFINED