delegated_ink_metadata.h | Explore in Territory

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

#ifndef UI_GFX_DELEGATED_INK_METADATA_H_
#define UI_GFX_DELEGATED_INK_METADATA_H_

#include <string>

#include "base/time/time.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/gfx_export.h"

namespace gfx {

// Maximum number of points that can be drawn. This is used to limit the total
// number of ink trail tokens that we will store, and the total number of points
// that we will store to provide to the Direct Composition APIs. It should match
// the exact number of points that the OS Compositor will store to draw as part
// of a trail.
inline constexpr int kMaximumNumberOfDelegatedInkPoints = …;

// This class stores all the metadata that is gathered when the WebAPI
// updateInkTrailStartPoint is called. This metadata flows from blink,
// through cc, and into viz in order to produce a delegated ink trail on the
// end of what was already rendered.
//
// Explainer for the feature:
// https://github.com/WICG/ink-enhancement/blob/main/README.md
class GFX_EXPORT DelegatedInkMetadata { … };

}  // namespace gfx

#endif  // UI_GFX_DELEGATED_INK_METADATA_H_
chromium/ui/gfx/delegated_ink_metadata.h
