blob: 33e95d850f44c49b514abe0507e859eb89ba4555 (
plain)
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
|
/* -*- 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_ImageMetadata_h
#define mozilla_image_ImageMetadata_h
#include <stdint.h>
#include "mozilla/Maybe.h"
#include "nsSize.h"
#include "nsTArray.h"
#include "Orientation.h"
#include "FrameTimeout.h"
namespace mozilla {
namespace image {
// The metadata about an image that decoders accumulate as they decode.
class ImageMetadata {
public:
ImageMetadata()
: mLoopCount(-1),
mFirstFrameTimeout(FrameTimeout::Forever()),
mHasAnimation(false) {}
void SetHotspot(uint16_t aHotspotX, uint16_t aHotspotY) {
mHotspot = Some(gfx::IntPoint(aHotspotX, aHotspotY));
}
gfx::IntPoint GetHotspot() const { return *mHotspot; }
bool HasHotspot() const { return mHotspot.isSome(); }
void SetLoopCount(int32_t loopcount) { mLoopCount = loopcount; }
int32_t GetLoopCount() const { return mLoopCount; }
void SetLoopLength(FrameTimeout aLength) { mLoopLength = Some(aLength); }
FrameTimeout GetLoopLength() const { return *mLoopLength; }
bool HasLoopLength() const { return mLoopLength.isSome(); }
void SetFirstFrameTimeout(FrameTimeout aTimeout) {
mFirstFrameTimeout = aTimeout;
}
FrameTimeout GetFirstFrameTimeout() const { return mFirstFrameTimeout; }
void SetFirstFrameRefreshArea(const gfx::IntRect& aRefreshArea) {
mFirstFrameRefreshArea = Some(aRefreshArea);
}
gfx::IntRect GetFirstFrameRefreshArea() const {
return *mFirstFrameRefreshArea;
}
bool HasFirstFrameRefreshArea() const {
return mFirstFrameRefreshArea.isSome();
}
void SetSize(int32_t width, int32_t height, Orientation orientation) {
if (!HasSize()) {
mSize.emplace(nsIntSize(width, height));
mOrientation.emplace(orientation);
}
}
nsIntSize GetSize() const { return *mSize; }
bool HasSize() const { return mSize.isSome(); }
void AddNativeSize(const nsIntSize& aSize) {
mNativeSizes.AppendElement(aSize);
}
const nsTArray<nsIntSize>& GetNativeSizes() const { return mNativeSizes; }
Orientation GetOrientation() const { return *mOrientation; }
bool HasOrientation() const { return mOrientation.isSome(); }
void SetHasAnimation() { mHasAnimation = true; }
bool HasAnimation() const { return mHasAnimation; }
private:
/// The hotspot found on cursors, if present.
Maybe<gfx::IntPoint> mHotspot;
/// The loop count for animated images, or -1 for infinite loop.
int32_t mLoopCount;
// The total length of a single loop through an animated image.
Maybe<FrameTimeout> mLoopLength;
/// The timeout of an animated image's first frame.
FrameTimeout mFirstFrameTimeout;
// The area of the image that needs to be invalidated when the animation
// loops.
Maybe<gfx::IntRect> mFirstFrameRefreshArea;
Maybe<nsIntSize> mSize;
Maybe<Orientation> mOrientation;
// Sizes the image can natively decode to.
CopyableTArray<nsIntSize> mNativeSizes;
bool mHasAnimation : 1;
};
} // namespace image
} // namespace mozilla
#endif // mozilla_image_ImageMetadata_h
|
