1 | /*****************************************************************************/ |
2 | // Copyright 2006 Adobe Systems Incorporated |
3 | // All Rights Reserved. |
4 | // |
5 | // NOTICE: Adobe permits you to use, modify, and distribute this file in |
6 | // accordance with the terms of the Adobe license agreement accompanying it. |
7 | /*****************************************************************************/ |
8 | |
9 | /* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_orientation.h#1 $ */ |
10 | /* $DateTime: 2012/05/30 13:28:51 $ */ |
11 | /* $Change: 832332 $ */ |
12 | /* $Author: tknoll $ */ |
13 | |
14 | /******************************************************************************/ |
15 | |
16 | #ifndef __dng_orientation__ |
17 | #define __dng_orientation__ |
18 | |
19 | /******************************************************************************/ |
20 | |
21 | #include "dng_types.h" |
22 | |
23 | /******************************************************************************/ |
24 | |
25 | class dng_orientation |
26 | { |
27 | |
28 | private: |
29 | |
30 | // We internally use an orientation encoding ("Adobe") that is |
31 | // different than the TIFF orientation encoding ("TIFF"). |
32 | |
33 | uint32 fAdobeOrientation; |
34 | |
35 | public: |
36 | enum |
37 | { |
38 | kNormal = 0, |
39 | kRotate90CW = 1, |
40 | kRotate180 = 2, |
41 | kRotate90CCW = 3, |
42 | kMirror = 4, |
43 | kMirror90CW = 5, |
44 | kMirror180 = 6, |
45 | kMirror90CCW = 7, |
46 | kUnknown = 8 |
47 | }; |
48 | |
49 | |
50 | dng_orientation () |
51 | |
52 | : fAdobeOrientation (kNormal) |
53 | |
54 | { |
55 | } |
56 | |
57 | void SetAdobe (uint32 adobe) |
58 | { |
59 | fAdobeOrientation = adobe; |
60 | } |
61 | |
62 | uint32 GetAdobe () const |
63 | { |
64 | return fAdobeOrientation; |
65 | } |
66 | |
67 | void SetTIFF (uint32 tiff); |
68 | |
69 | uint32 GetTIFF () const; |
70 | |
71 | static dng_orientation AdobeToDNG (uint32 adobe) |
72 | { |
73 | |
74 | dng_orientation result; |
75 | |
76 | result.SetAdobe (adobe); |
77 | |
78 | return result; |
79 | |
80 | } |
81 | |
82 | static dng_orientation TIFFtoDNG (uint32 tiff) |
83 | { |
84 | |
85 | dng_orientation result; |
86 | |
87 | result.SetTIFF (tiff); |
88 | |
89 | return result; |
90 | |
91 | } |
92 | |
93 | static dng_orientation Normal () |
94 | { |
95 | return AdobeToDNG (kNormal); |
96 | } |
97 | |
98 | static dng_orientation Rotate90CW () |
99 | { |
100 | return AdobeToDNG (kRotate90CW); |
101 | } |
102 | |
103 | static dng_orientation Rotate180 () |
104 | { |
105 | return AdobeToDNG (kRotate180); |
106 | } |
107 | |
108 | static dng_orientation Rotate90CCW () |
109 | { |
110 | return AdobeToDNG (kRotate90CCW); |
111 | } |
112 | |
113 | static dng_orientation Mirror () |
114 | { |
115 | return AdobeToDNG (kMirror); |
116 | } |
117 | |
118 | static dng_orientation Mirror90CW () |
119 | { |
120 | return AdobeToDNG (kMirror90CW); |
121 | } |
122 | |
123 | static dng_orientation Mirror180 () |
124 | { |
125 | return AdobeToDNG (kMirror180); |
126 | } |
127 | |
128 | static dng_orientation Mirror90CCW () |
129 | { |
130 | return AdobeToDNG (kMirror90CCW); |
131 | } |
132 | |
133 | static dng_orientation Unknown () |
134 | { |
135 | return AdobeToDNG (kUnknown); |
136 | } |
137 | |
138 | bool IsValid () const |
139 | { |
140 | return fAdobeOrientation < kUnknown; |
141 | } |
142 | |
143 | bool NotValid () const |
144 | { |
145 | return !IsValid (); |
146 | } |
147 | |
148 | bool FlipD () const; |
149 | |
150 | bool FlipH () const; |
151 | |
152 | bool FlipV () const; |
153 | |
154 | bool operator== (const dng_orientation &b) const |
155 | { |
156 | return fAdobeOrientation == b.fAdobeOrientation; |
157 | } |
158 | |
159 | bool operator!= (const dng_orientation &b) const |
160 | { |
161 | return !(*this == b); |
162 | } |
163 | |
164 | dng_orientation operator- () const; |
165 | |
166 | dng_orientation operator+ (const dng_orientation &b) const; |
167 | |
168 | dng_orientation operator- (const dng_orientation &b) const |
169 | { |
170 | return (*this) + (-b); |
171 | } |
172 | |
173 | void operator+= (const dng_orientation &b) |
174 | { |
175 | *this = *this + b; |
176 | } |
177 | |
178 | void operator-= (const dng_orientation &b) |
179 | { |
180 | *this = *this - b; |
181 | } |
182 | |
183 | }; |
184 | |
185 | /******************************************************************************/ |
186 | |
187 | #endif |
188 | |
189 | /******************************************************************************/ |
190 | |