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
|
/* Copyright 2015-2018 Egor Yusov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
*
* In no event and under no legal theory, whether in tort (including negligence),
* contract, or otherwise, unless required by applicable law (such as deliberate
* and grossly negligent acts) or agreed to in writing, shall any Contributor be
* liable for any damages, including any direct, indirect, special, incidental,
* or consequential damages of any character arising as a result of this License or
* out of the use or inability to use the software (including but not limited to damages
* for loss of goodwill, work stoppage, computer failure or malfunction, or any and
* all other commercial damages or losses), even if such Contributor has been advised
* of the possibility of such damages.
*/
#pragma once
#include "../../../DiligentCore/Primitives/interface/FileStream.h"
#include "../../../DiligentCore/Primitives/interface/DataBlob.h"
#include "../../../DiligentCore/Common/interface/RefCntAutoPtr.h"
#include "../../../DiligentCore/Common/interface/ObjectBase.h"
namespace Diligent
{
/// Image file format
enum class EImageFileFormat
{
/// Unknown format
unknown = 0,
/// The image is encoded in JPEG format
jpeg,
/// The image is encoded in PNG format
png,
/// The image is encoded in TIFF format
tiff
};
/// Image loading information
struct ImageLoadInfo
{
/// Image file format
EImageFileFormat Format = EImageFileFormat::unknown;
};
/// Image description
struct ImageDesc
{
/// Image width in pixels
Uint32 Width = 0;
/// Image height in pixels
Uint32 Height = 0;
/// Bits per pixel
Uint32 BitsPerPixel = 0;
/// Number of color components
Uint32 NumComponents = 0;
/// Image row stride in bytes
Uint32 RowStride = 0;
};
/// Implementation of a 2D image
class Image : public ObjectBase<IObject>
{
public:
typedef ObjectBase<IObject> TBase;
/// Creates a new image from the data blob
/// \param [in] pFileData - Pointer to the data blob containing image data
/// \param [in] LoadInfo - Image loading information
/// \param [out] ppImage - Memory location where pointer to the created image is written.
/// The image should be released via Release().
static void CreateFromDataBlob(IDataBlob *pFileData,
const ImageLoadInfo& LoadInfo,
Image **ppImage);
/// Returns image description
const ImageDesc &GetDesc(){ return m_Desc; }
/// Returns a pointer to the image data
IDataBlob *GetData(){ return m_pData; }
private:
template<typename AllocatorType, typename ObjectType>
friend class MakeNewRCObj;
Image(IReferenceCounters *pRefCounters,
IDataBlob *pFileData,
const ImageLoadInfo& LoadInfo);
void LoadPngFile( IDataBlob *pFileData, const ImageLoadInfo& LoadInfo );
void LoadTiffFile( IDataBlob *pFileData,const ImageLoadInfo& LoadInfo );
void LoadJpegFile( IDataBlob *pFileData,const ImageLoadInfo& LoadInfo );
ImageDesc m_Desc;
RefCntAutoPtr<IDataBlob> m_pData;
};
}
|
