1 ///////////////////////////////////////////////////////////////////////////
2 //
3 // Copyright (c) 2003, Industrial Light & Magic, a division of Lucas
4 // Digital Ltd. LLC
5 //
6 // All rights reserved.
7 //
8 // Redistribution and use in source and binary forms, with or without
9 // modification, are permitted provided that the following conditions are
10 // met:
11 // * Redistributions of source code must retain the above copyright
12 // notice, this list of conditions and the following disclaimer.
13 // * Redistributions in binary form must reproduce the above
14 // copyright notice, this list of conditions and the following disclaimer
15 // in the documentation and/or other materials provided with the
16 // distribution.
17 // * Neither the name of Industrial Light & Magic nor the names of
18 // its contributors may be used to endorse or promote products derived
19 // from this software without specific prior written permission.
20 //
21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 //
33 ///////////////////////////////////////////////////////////////////////////
34
35
36 //-----------------------------------------------------------------------------
37 //
38 // class PreviewImage
39 //
40 //-----------------------------------------------------------------------------
41
42 #include <ImfPreviewImage.h>
43 #include <ImfCheckedArithmetic.h>
44 #include "Iex.h"
45
46 namespace Imf {
47
48
PreviewImage(unsigned int width,unsigned int height,const PreviewRgba pixels[])49 PreviewImage::PreviewImage (unsigned int width,
50 unsigned int height,
51 const PreviewRgba pixels[])
52 {
53 _width = width;
54 _height = height;
55 _pixels = new PreviewRgba
56 [checkArraySize (uiMult (_width, _height), sizeof (PreviewRgba))];
57
58 if (pixels)
59 {
60 for (unsigned int i = 0; i < _width * _height; ++i)
61 _pixels[i] = pixels[i];
62 }
63 else
64 {
65 for (unsigned int i = 0; i < _width * _height; ++i)
66 _pixels[i] = PreviewRgba();
67 }
68 }
69
70
PreviewImage(const PreviewImage & other)71 PreviewImage::PreviewImage (const PreviewImage &other):
72 _width (other._width),
73 _height (other._height),
74 _pixels (new PreviewRgba [other._width * other._height])
75 {
76 for (unsigned int i = 0; i < _width * _height; ++i)
77 _pixels[i] = other._pixels[i];
78 }
79
80
~PreviewImage()81 PreviewImage::~PreviewImage ()
82 {
83 delete [] _pixels;
84 }
85
86
87 PreviewImage &
operator =(const PreviewImage & other)88 PreviewImage::operator = (const PreviewImage &other)
89 {
90 delete [] _pixels;
91
92 _width = other._width;
93 _height = other._height;
94 _pixels = new PreviewRgba [other._width * other._height];
95
96 for (unsigned int i = 0; i < _width * _height; ++i)
97 _pixels[i] = other._pixels[i];
98
99 return *this;
100 }
101
102
103 } // namespace Imf
104