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
dng_simple_image(const dng_rect & bounds,uint32 planes,uint32 pixelType,dng_memory_allocator & allocator)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 {
38
39 uint32 bytes =
40 ComputeBufferSize (pixelType, bounds.Size (), planes, pad16Bytes);
41
42 fMemory.Reset (allocator.Allocate (bytes));
43
44 fBuffer = dng_pixel_buffer (bounds, 0, planes, pixelType, pcInterleaved, fMemory->Buffer ());
45
46 }
47
48 /*****************************************************************************/
49
~dng_simple_image()50 dng_simple_image::~dng_simple_image ()
51 {
52
53 }
54
55 /*****************************************************************************/
56
Clone() const57 dng_image * dng_simple_image::Clone () const
58 {
59
60 AutoPtr<dng_simple_image> result (new dng_simple_image (Bounds (),
61 Planes (),
62 PixelType (),
63 fAllocator));
64
65 result->fBuffer.CopyArea (fBuffer,
66 Bounds (),
67 0,
68 Planes ());
69
70 return result.Release ();
71
72 }
73
74 /*****************************************************************************/
75
SetPixelType(uint32 pixelType)76 void dng_simple_image::SetPixelType (uint32 pixelType)
77 {
78
79 dng_image::SetPixelType (pixelType);
80
81 fBuffer.fPixelType = pixelType;
82
83 }
84
85 /*****************************************************************************/
86
Trim(const dng_rect & r)87 void dng_simple_image::Trim (const dng_rect &r)
88 {
89
90 fBounds.t = 0;
91 fBounds.l = 0;
92
93 fBounds.b = r.H ();
94 fBounds.r = r.W ();
95
96 fBuffer.fData = fBuffer.DirtyPixel (r.t, r.l);
97
98 fBuffer.fArea = fBounds;
99
100 }
101
102 /*****************************************************************************/
103
Rotate(const dng_orientation & orientation)104 void dng_simple_image::Rotate (const dng_orientation &orientation)
105 {
106
107 int32 originH = fBounds.l;
108 int32 originV = fBounds.t;
109
110 int32 colStep = fBuffer.fColStep;
111 int32 rowStep = fBuffer.fRowStep;
112
113 uint32 width = fBounds.W ();
114 uint32 height = fBounds.H ();
115
116 if (orientation.FlipH ())
117 {
118
119 originH += width - 1;
120
121 colStep = -colStep;
122
123 }
124
125 if (orientation.FlipV ())
126 {
127
128 originV += height - 1;
129
130 rowStep = -rowStep;
131
132 }
133
134 if (orientation.FlipD ())
135 {
136
137 int32 temp = colStep;
138
139 colStep = rowStep;
140 rowStep = temp;
141
142 width = fBounds.H ();
143 height = fBounds.W ();
144
145 }
146
147 fBuffer.fData = fBuffer.DirtyPixel (originV, originH);
148
149 fBuffer.fColStep = colStep;
150 fBuffer.fRowStep = rowStep;
151
152 fBounds.r = fBounds.l + width;
153 fBounds.b = fBounds.t + height;
154
155 fBuffer.fArea = fBounds;
156
157 }
158
159 /*****************************************************************************/
160
AcquireTileBuffer(dng_tile_buffer & buffer,const dng_rect & area,bool dirty) const161 void dng_simple_image::AcquireTileBuffer (dng_tile_buffer &buffer,
162 const dng_rect &area,
163 bool dirty) const
164 {
165
166 buffer.fArea = area;
167
168 buffer.fPlane = fBuffer.fPlane;
169 buffer.fPlanes = fBuffer.fPlanes;
170 buffer.fRowStep = fBuffer.fRowStep;
171 buffer.fColStep = fBuffer.fColStep;
172 buffer.fPlaneStep = fBuffer.fPlaneStep;
173 buffer.fPixelType = fBuffer.fPixelType;
174 buffer.fPixelSize = fBuffer.fPixelSize;
175
176 buffer.fData = (void *) fBuffer.ConstPixel (buffer.fArea.t,
177 buffer.fArea.l,
178 buffer.fPlane);
179
180 buffer.fDirty = dirty;
181
182 }
183
184 /*****************************************************************************/
185
186