File: bitmap_cursor.h

package info (click to toggle)
chromium 138.0.7204.183-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 6,071,908 kB
  • sloc: cpp: 34,937,088; ansic: 7,176,967; javascript: 4,110,704; python: 1,419,953; asm: 946,768; xml: 739,971; pascal: 187,324; sh: 89,623; perl: 88,663; objc: 79,944; sql: 50,304; cs: 41,786; fortran: 24,137; makefile: 21,806; php: 13,980; tcl: 13,166; yacc: 8,925; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (84 lines) | stat: -rw-r--r-- 2,697 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
// Copyright 2014 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_OZONE_COMMON_BITMAP_CURSOR_H_
#define UI_OZONE_COMMON_BITMAP_CURSOR_H_

#include <vector>

#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/time/time.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/base/cursor/mojom/cursor_type.mojom-shared.h"
#include "ui/base/cursor/platform_cursor.h"
#include "ui/gfx/geometry/point.h"

namespace ui {

// A cursor that is an SkBitmap combined with a gfx::Point hotspot.
class BitmapCursor : public PlatformCursor {
 public:
  static scoped_refptr<BitmapCursor> FromPlatformCursor(
      scoped_refptr<PlatformCursor> platform_cursor);

  // Creates a cursor that doesn't need backing bitmaps (for example, a
  // server-side cursor for Lacros). Scale only applies to bitmaps so
  // no need to provide scale. Server-side will provide both bitmap and
  // scale.
  explicit BitmapCursor(mojom::CursorType type);

  // Creates a cursor with a single backing bitmap.
  BitmapCursor(mojom::CursorType type,
               const SkBitmap& bitmap,
               const gfx::Point& hotspot,
               float cursor_image_scale_factor);

  // Creates a cursor with multiple bitmaps for animation.
  BitmapCursor(mojom::CursorType type,
               const std::vector<SkBitmap>& bitmaps,
               const gfx::Point& hotspot,
               base::TimeDelta frame_delay,
               float cursor_image_scale_factor);

  // Creates a cursor with external storage.
  BitmapCursor(mojom::CursorType type,
               void* platform_data,
               float cursor_image_scale_factor);

  BitmapCursor(const BitmapCursor&) = delete;
  BitmapCursor& operator=(const BitmapCursor&) = delete;

  mojom::CursorType type() const { return type_; }
  const gfx::Point& hotspot();
  const SkBitmap& bitmap();

  // For animated cursors.
  const std::vector<SkBitmap>& bitmaps();
  base::TimeDelta frame_delay();

  // For theme cursors.
  void* platform_data() { return platform_data_; }

  float cursor_image_scale_factor() const { return cursor_image_scale_factor_; }

 private:
  friend class base::RefCounted<PlatformCursor>;
  ~BitmapCursor() override;

  const mojom::CursorType type_;
  std::vector<SkBitmap> bitmaps_;
  gfx::Point hotspot_;
  base::TimeDelta frame_delay_;

  // Platform cursor data.  Having this non-nullptr means that this cursor
  // is supplied by the platform.
  const raw_ptr<void> platform_data_ = nullptr;

  float cursor_image_scale_factor_ = 1.f;
};

}  // namespace ui

#endif  // UI_OZONE_COMMON_BITMAP_CURSOR_H_