chromium/third_party/skia/modules/skottie/src/Camera.cpp

/*
 * Copyright 2020 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "include/core/SkPoint.h"
#include "include/core/SkScalar.h"
#include "include/private/base/SkFloatingPoint.h"
#include "modules/skottie/src/Camera.h"
#include "modules/skottie/src/SkottiePriv.h"
#include "modules/sksg/include/SkSGTransform.h"
#include "src/utils/SkJSON.h"

#include <algorithm>
#include <cmath>
#include <utility>

namespace skottie {
namespace internal {

namespace  {

SkM44 ComputeCameraMatrix(const SkV3& position,
                          const SkV3& poi,
                          const SkV3& rotation,
                          const SkSize& viewport_size,
                          float zoom) { … }

} // namespace

CameraAdaper::CameraAdaper(const skjson::ObjectValue& jlayer,
                           const skjson::ObjectValue& jtransform,
                           const AnimationBuilder& abuilder,
                           const SkSize& viewport_size)
    : … { … }

CameraAdaper::~CameraAdaper() = default;

SkM44 CameraAdaper::totalMatrix() const { … }

SkV3 CameraAdaper::poi(const SkV3& pos) const { … }

sk_sp<sksg::Transform> CameraAdaper::DefaultCameraTransform(const SkSize& viewport_size) { … }

sk_sp<sksg::Transform> AnimationBuilder::attachCamera(const skjson::ObjectValue& jlayer,
                                                      const skjson::ObjectValue& jtransform,
                                                      sk_sp<sksg::Transform> parent,
                                                      const SkSize& viewport_size) const { … }

} // namespace internal
} // namespace skottie