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2 //
3 // Copyright (c) 2003, Industrial Light & Magic, a division of Lucas
4 // Digital Ltd. LLC
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33 ///////////////////////////////////////////////////////////////////////////
34 
35 
36 //-----------------------------------------------------------------------------
37 //
38 //	class PreviewImage
39 //
40 //-----------------------------------------------------------------------------
41 
42 #include "ImfPreviewImage.h"
43 #include "ImfCheckedArithmetic.h"
44 #include "Iex.h"
45 #include "ImfNamespace.h"
46 
47 OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_ENTER
48 
49 
PreviewImage(unsigned int width,unsigned int height,const PreviewRgba pixels[])50 PreviewImage::PreviewImage (unsigned int width,
51 			    unsigned int height,
52 			    const PreviewRgba pixels[])
53 {
54     _width = width;
55     _height = height;
56     _pixels = new PreviewRgba
57         [checkArraySize (uiMult (_width, _height), sizeof (PreviewRgba))];
58 
59     if (pixels)
60     {
61 	for (unsigned int i = 0; i < _width * _height; ++i)
62 	    _pixels[i] = pixels[i];
63     }
64     else
65     {
66 	for (unsigned int i = 0; i < _width * _height; ++i)
67 	    _pixels[i] = PreviewRgba();
68     }
69 }
70 
71 
PreviewImage(const PreviewImage & other)72 PreviewImage::PreviewImage (const PreviewImage &other):
73     _width (other._width),
74     _height (other._height),
75     _pixels (new PreviewRgba [other._width * other._height])
76 {
77     for (unsigned int i = 0; i < _width * _height; ++i)
78 	_pixels[i] = other._pixels[i];
79 }
80 
81 
~PreviewImage()82 PreviewImage::~PreviewImage ()
83 {
84     delete [] _pixels;
85 }
86 
87 
88 PreviewImage &
operator =(const PreviewImage & other)89 PreviewImage::operator = (const PreviewImage &other)
90 {
91     delete [] _pixels;
92 
93     _width = other._width;
94     _height = other._height;
95     _pixels = new PreviewRgba [other._width * other._height];
96 
97     for (unsigned int i = 0; i < _width * _height; ++i)
98 	_pixels[i] = other._pixels[i];
99 
100     return *this;
101 }
102 
103 
104 OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_EXIT
105