/src/skia/third_party/externals/dng_sdk/source/dng_simple_image.cpp
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1 | | /*****************************************************************************/ |
2 | | // Copyright 2006-2008 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_simple_image.cpp#1 $ */ |
10 | | /* $DateTime: 2012/05/30 13:28:51 $ */ |
11 | | /* $Change: 832332 $ */ |
12 | | /* $Author: tknoll $ */ |
13 | | |
14 | | /*****************************************************************************/ |
15 | | |
16 | | #include "dng_simple_image.h" |
17 | | |
18 | | #include "dng_memory.h" |
19 | | #include "dng_orientation.h" |
20 | | #include "dng_tag_types.h" |
21 | | #include "dng_tag_values.h" |
22 | | |
23 | | /*****************************************************************************/ |
24 | | |
25 | | dng_simple_image::dng_simple_image (const dng_rect &bounds, |
26 | | uint32 planes, |
27 | | uint32 pixelType, |
28 | | dng_memory_allocator &allocator) |
29 | | |
30 | | : dng_image (bounds, |
31 | | planes, |
32 | | pixelType) |
33 | | |
34 | | , fMemory () |
35 | | , fAllocator (allocator) |
36 | | |
37 | 0 | { |
38 | | |
39 | 0 | uint32 bytes = |
40 | 0 | ComputeBufferSize (pixelType, bounds.Size (), planes, pad16Bytes); |
41 | | |
42 | 0 | fMemory.Reset (allocator.Allocate (bytes)); |
43 | | |
44 | 0 | fBuffer = dng_pixel_buffer (bounds, 0, planes, pixelType, pcInterleaved, fMemory->Buffer ()); |
45 | | |
46 | 0 | } |
47 | | |
48 | | /*****************************************************************************/ |
49 | | |
50 | | dng_simple_image::~dng_simple_image () |
51 | 0 | { |
52 | | |
53 | 0 | } |
54 | | |
55 | | /*****************************************************************************/ |
56 | | |
57 | | dng_image * dng_simple_image::Clone () const |
58 | 0 | { |
59 | | |
60 | 0 | AutoPtr<dng_simple_image> result (new dng_simple_image (Bounds (), |
61 | 0 | Planes (), |
62 | 0 | PixelType (), |
63 | 0 | fAllocator)); |
64 | | |
65 | 0 | result->fBuffer.CopyArea (fBuffer, |
66 | 0 | Bounds (), |
67 | 0 | 0, |
68 | 0 | Planes ()); |
69 | | |
70 | 0 | return result.Release (); |
71 | | |
72 | 0 | } |
73 | | |
74 | | /*****************************************************************************/ |
75 | | |
76 | | void dng_simple_image::SetPixelType (uint32 pixelType) |
77 | 0 | { |
78 | | |
79 | 0 | dng_image::SetPixelType (pixelType); |
80 | | |
81 | 0 | fBuffer.fPixelType = pixelType; |
82 | | |
83 | 0 | } |
84 | | |
85 | | /*****************************************************************************/ |
86 | | |
87 | | void dng_simple_image::Trim (const dng_rect &r) |
88 | 0 | { |
89 | | |
90 | 0 | fBounds.t = 0; |
91 | 0 | fBounds.l = 0; |
92 | | |
93 | 0 | fBounds.b = r.H (); |
94 | 0 | fBounds.r = r.W (); |
95 | | |
96 | 0 | fBuffer.fData = fBuffer.DirtyPixel (r.t, r.l); |
97 | | |
98 | 0 | fBuffer.fArea = fBounds; |
99 | | |
100 | 0 | } |
101 | | |
102 | | /*****************************************************************************/ |
103 | | |
104 | | void dng_simple_image::Rotate (const dng_orientation &orientation) |
105 | 0 | { |
106 | | |
107 | 0 | int32 originH = fBounds.l; |
108 | 0 | int32 originV = fBounds.t; |
109 | | |
110 | 0 | int32 colStep = fBuffer.fColStep; |
111 | 0 | int32 rowStep = fBuffer.fRowStep; |
112 | | |
113 | 0 | uint32 width = fBounds.W (); |
114 | 0 | uint32 height = fBounds.H (); |
115 | | |
116 | 0 | if (orientation.FlipH ()) |
117 | 0 | { |
118 | | |
119 | 0 | originH += width - 1; |
120 | | |
121 | 0 | colStep = -colStep; |
122 | | |
123 | 0 | } |
124 | |
|
125 | 0 | if (orientation.FlipV ()) |
126 | 0 | { |
127 | | |
128 | 0 | originV += height - 1; |
129 | | |
130 | 0 | rowStep = -rowStep; |
131 | | |
132 | 0 | } |
133 | | |
134 | 0 | if (orientation.FlipD ()) |
135 | 0 | { |
136 | | |
137 | 0 | int32 temp = colStep; |
138 | | |
139 | 0 | colStep = rowStep; |
140 | 0 | rowStep = temp; |
141 | | |
142 | 0 | width = fBounds.H (); |
143 | 0 | height = fBounds.W (); |
144 | | |
145 | 0 | } |
146 | | |
147 | 0 | fBuffer.fData = fBuffer.DirtyPixel (originV, originH); |
148 | | |
149 | 0 | fBuffer.fColStep = colStep; |
150 | 0 | fBuffer.fRowStep = rowStep; |
151 | | |
152 | 0 | fBounds.r = fBounds.l + width; |
153 | 0 | fBounds.b = fBounds.t + height; |
154 | | |
155 | 0 | fBuffer.fArea = fBounds; |
156 | | |
157 | 0 | } |
158 | | |
159 | | /*****************************************************************************/ |
160 | | |
161 | | void dng_simple_image::AcquireTileBuffer (dng_tile_buffer &buffer, |
162 | | const dng_rect &area, |
163 | | bool dirty) const |
164 | 0 | { |
165 | | |
166 | 0 | buffer.fArea = area; |
167 | | |
168 | 0 | buffer.fPlane = fBuffer.fPlane; |
169 | 0 | buffer.fPlanes = fBuffer.fPlanes; |
170 | 0 | buffer.fRowStep = fBuffer.fRowStep; |
171 | 0 | buffer.fColStep = fBuffer.fColStep; |
172 | 0 | buffer.fPlaneStep = fBuffer.fPlaneStep; |
173 | 0 | buffer.fPixelType = fBuffer.fPixelType; |
174 | 0 | buffer.fPixelSize = fBuffer.fPixelSize; |
175 | |
|
176 | 0 | buffer.fData = (void *) fBuffer.ConstPixel (buffer.fArea.t, |
177 | 0 | buffer.fArea.l, |
178 | 0 | buffer.fPlane); |
179 | | |
180 | 0 | buffer.fDirty = dirty; |
181 | | |
182 | 0 | } |
183 | | |
184 | | /*****************************************************************************/ |
185 | | |