Repository navigation
Expand file tree
/
Copy pathQuantum.cpp
More file actions
74 lines (73 loc) · 2.7 KB
/
Copy pathQuantum.cpp
File metadata and controls
74 lines (73 loc) · 2.7 KB
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
//=================================================================================================
// Copyright 2014-2015 Dirk Lemstra <https://graphicsmagick.codeplex.com/>
//
// Licensed under the ImageMagick License (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.imagemagick.org/script/license.php
//
// Unless required by applicable law or agreed to in writing, software distributed under the
// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
// express or implied. See the License for the specific language governing permissions and
// limitations under the License.
//=================================================================================================
#include "Stdafx.h"
#include "Quantum.h"
namespace GraphicsMagick
{
//==============================================================================================
#if (QuantumDepth > 8)
Magick::Quantum Quantum::Convert(Byte value)
{
#if (QuantumDepth == 16)
return (Magick::Quantum) (257UL * value);
#else
#error Not implemented!
#endif
}
#endif
//==============================================================================================
Magick::Quantum Quantum::Convert(double value)
{
return (Magick::Quantum)value;
}
//==============================================================================================
Magick::Quantum Quantum::Convert(Magick::Quantum value)
{
return value;
}
//==============================================================================================
Magick::Quantum Quantum::Convert(unsigned int value)
{
return (Magick::Quantum)value;
}
//==============================================================================================
#if (QuantumDepth != 16)
Magick::Quantum Quantum::Convert(unsigned short value)
{
return (Magick::Quantum)value;
}
#endif
//==============================================================================================
double Quantum::Scale(Magick::Quantum value)
{
return ((double) 1.0/(double) Max)*value;
}
//==============================================================================================
int Quantum::Depth::get()
{
return QuantumDepth;
}
//==============================================================================================
Magick::Quantum Quantum::Max::get()
{
#if (QuantumDepth == 8)
return (Magick::Quantum) 255;
#elif (QuantumDepth == 16)
return (Magick::Quantum) 65535;
#else
#error Not implemented!
#endif
}
//==============================================================================================
}