thunderbird-dev 1:52.8.0-1~deb8u1 / usr / include / thunderbird / ImageRegion.h

This file is indexed.

/usr/include/thunderbird/ImageRegion.h is in thunderbird-dev 1:52.8.0-1~deb8u1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below. 

  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
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_image_ImageRegion_h
#define mozilla_image_ImageRegion_h

#include "gfxRect.h"
#include "mozilla/gfx/Types.h"

namespace mozilla {
namespace image {

/**
 * An axis-aligned rectangle in tiled image space, with an optional sampling
 * restriction rect. The drawing code ensures that if a sampling restriction
 * rect is present, any pixels sampled during the drawing process are found
 * within that rect.
 *
 * The sampling restriction rect exists primarily for callers which perform
 * pixel snapping. Other callers should generally use one of the Create()
 * overloads.
 */
class ImageRegion
{
  typedef mozilla::gfx::ExtendMode ExtendMode;

public:
  static ImageRegion Empty()
  {
    return ImageRegion(gfxRect(), ExtendMode::CLAMP);
  }

  static ImageRegion Create(const gfxRect& aRect,
                            ExtendMode aExtendMode = ExtendMode::CLAMP)
  {
    return ImageRegion(aRect, aExtendMode);
  }

  static ImageRegion Create(const gfxSize& aSize,
                            ExtendMode aExtendMode = ExtendMode::CLAMP)
  {
    return ImageRegion(gfxRect(0, 0, aSize.width, aSize.height), aExtendMode);
  }

  static ImageRegion Create(const nsIntSize& aSize,
                            ExtendMode aExtendMode = ExtendMode::CLAMP)
  {
    return ImageRegion(gfxRect(0, 0, aSize.width, aSize.height), aExtendMode);
  }

  static ImageRegion CreateWithSamplingRestriction(const gfxRect& aRect,
                                                   const gfxRect& aRestriction,
                                                   ExtendMode aExtendMode = ExtendMode::CLAMP)
  {
    return ImageRegion(aRect, aRestriction, aExtendMode);
  }

  bool IsRestricted() const { return mIsRestricted; }
  const gfxRect& Rect() const { return mRect; }

  const gfxRect& Restriction() const
  {
    MOZ_ASSERT(mIsRestricted);
    return mRestriction;
  }

  bool RestrictionContains(const gfxRect& aRect) const
  {
    if (!mIsRestricted) {
      return true;
    }
    return mRestriction.Contains(aRect);
  }

  ImageRegion Intersect(const gfxRect& aRect) const
  {
    if (mIsRestricted) {
      return CreateWithSamplingRestriction(aRect.Intersect(mRect),
                                           aRect.Intersect(mRestriction));
    }
    return Create(aRect.Intersect(mRect));
  }

  gfxRect IntersectAndRestrict(const gfxRect& aRect) const
  {
    gfxRect intersection = mRect.Intersect(aRect);
    if (mIsRestricted) {
      intersection = mRestriction.Intersect(intersection);
    }
    return intersection;
  }

  void MoveBy(gfxFloat dx, gfxFloat dy)
  {
    mRect.MoveBy(dx, dy);
    if (mIsRestricted) {
      mRestriction.MoveBy(dx, dy);
    }
  }

  void Scale(gfxFloat sx, gfxFloat sy)
  {
    mRect.Scale(sx, sy);
    if (mIsRestricted) {
      mRestriction.Scale(sx, sy);
    }
  }

  void TransformBy(const gfxMatrix& aMatrix)
  {
    mRect = aMatrix.Transform(mRect);
    if (mIsRestricted) {
      mRestriction = aMatrix.Transform(mRestriction);
    }
  }

  void TransformBoundsBy(const gfxMatrix& aMatrix)
  {
    mRect = aMatrix.TransformBounds(mRect);
    if (mIsRestricted) {
      mRestriction = aMatrix.TransformBounds(mRestriction);
    }
  }

  ImageRegion operator-(const gfxPoint& aPt) const
  {
    if (mIsRestricted) {
      return CreateWithSamplingRestriction(mRect - aPt, mRestriction - aPt);
    }
    return Create(mRect - aPt);
  }

  ImageRegion operator+(const gfxPoint& aPt) const
  {
    if (mIsRestricted) {
      return CreateWithSamplingRestriction(mRect + aPt, mRestriction + aPt);
    }
    return Create(mRect + aPt);
  }

  gfx::ExtendMode GetExtendMode() const
  {
    return mExtendMode;
  }

  /* ImageRegion() : mIsRestricted(false) { } */

private:
  explicit ImageRegion(const gfxRect& aRect, ExtendMode aExtendMode)
    : mRect(aRect)
    , mExtendMode(aExtendMode)
    , mIsRestricted(false)
  { }

  ImageRegion(const gfxRect& aRect, const gfxRect& aRestriction, ExtendMode aExtendMode)
    : mRect(aRect)
    , mRestriction(aRestriction)
    , mExtendMode(aExtendMode)
    , mIsRestricted(true)
  { }

  gfxRect mRect;
  gfxRect mRestriction;
  ExtendMode mExtendMode;
  bool    mIsRestricted;
};

} // namespace image
} // namespace mozilla

#endif // mozilla_image_ImageRegion_h

APT Browse - Built by Thomas Orozco.