mirror of https://github.com/SixLabors/ImageSharp
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Former-commit-id: 40d6b11321e75d800299ed93368cc629411692af Former-commit-id: fe1ce463f33c93ef092b9bb9652128851e4130bf Former-commit-id: 1420fe512ea88a7b4f02cf5cbc327e6ddc04a2bdaf/merge-core
James South
11 years ago
12 changed files with 477 additions and 281 deletions
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namespace BitMiracle.LibJpeg |
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{ |
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using BitMiracle.LibJpeg.Classic; |
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/// <summary>
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/// Holds parameters of image for decompression (IDecomressDesination)
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/// </summary>
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class LoadedImageAttributes |
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{ |
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/// <summary>
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/// The m_colorspace.
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/// </summary>
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private Colorspace m_colorspace; |
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/// <summary>
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/// The m_quantize colors.
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/// </summary>
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private bool m_quantizeColors; |
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/// <summary>
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/// The m_width.
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/// </summary>
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private int m_width; |
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/// <summary>
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/// The m_height.
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/// </summary>
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private int m_height; |
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/// <summary>
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/// The m_components per sample.
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/// </summary>
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private int m_componentsPerSample; |
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/// <summary>
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/// The m_components.
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/// </summary>
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private int m_components; |
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/// <summary>
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/// The m_actual number of colors.
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/// </summary>
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private int m_actualNumberOfColors; |
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/// <summary>
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/// The m_colormap.
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/// </summary>
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private byte[][] m_colormap; |
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/// <summary>
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/// The m_density unit.
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/// </summary>
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private DensityUnit m_densityUnit; |
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/// <summary>
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/// The m_density x.
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/// </summary>
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private int m_densityX; |
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/// <summary>
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/// The m_density y.
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/// </summary>
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private int m_densityY; |
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/* Decompression processing parameters --- these fields must be set before |
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* calling jpeg_start_decompress(). Note that jpeg_read_header() initializes |
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* them to default values. |
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*/ |
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// colorspace for output
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/// <summary>
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/// Gets the colorspace.
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/// </summary>
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public Colorspace Colorspace |
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{ |
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get |
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{ |
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return this.m_colorspace; |
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} |
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internal set |
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{ |
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this.m_colorspace = value; |
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} |
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} |
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// true=colormapped output wanted
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/// <summary>
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/// Gets a value indicating whether quantize colors.
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/// </summary>
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public bool QuantizeColors |
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{ |
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get |
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{ |
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return this.m_quantizeColors; |
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} |
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internal set |
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{ |
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this.m_quantizeColors = value; |
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} |
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} |
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/* Description of actual output image that will be returned to application. |
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* These fields are computed by jpeg_start_decompress(). |
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* You can also use jpeg_calc_output_dimensions() to determine these values |
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* in advance of calling jpeg_start_decompress(). |
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*/ |
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// scaled image width
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/// <summary>
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/// Gets the width.
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/// </summary>
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public int Width |
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{ |
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get |
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{ |
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return this.m_width; |
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} |
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internal set |
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{ |
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this.m_width = value; |
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} |
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} |
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// scaled image height
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/// <summary>
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/// Gets the height.
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/// </summary>
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public int Height |
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{ |
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get |
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{ |
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return this.m_height; |
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} |
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internal set |
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{ |
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this.m_height = value; |
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} |
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} |
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// # of color components in out_color_space
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/// <summary>
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/// Gets the components per sample.
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/// </summary>
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public int ComponentsPerSample |
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{ |
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get |
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{ |
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return this.m_componentsPerSample; |
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} |
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internal set |
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{ |
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this.m_componentsPerSample = value; |
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} |
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} |
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// # of color components returned. it is 1 (a colormap index) when
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// quantizing colors; otherwise it equals out_color_components.
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/// <summary>
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/// Gets the components.
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/// </summary>
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public int Components |
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{ |
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get |
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{ |
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return this.m_components; |
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} |
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internal set |
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{ |
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this.m_components = value; |
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} |
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} |
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/* When quantizing colors, the output colormap is described by these fields. |
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* The application can supply a colormap by setting colormap non-null before |
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* calling jpeg_start_decompress; otherwise a colormap is created during |
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* jpeg_start_decompress or jpeg_start_output. |
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* The map has out_color_components rows and actual_number_of_colors columns. |
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*/ |
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// number of entries in use
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/// <summary>
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/// Gets the actual number of colors.
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/// </summary>
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public int ActualNumberOfColors |
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{ |
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get |
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{ |
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return this.m_actualNumberOfColors; |
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} |
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internal set |
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{ |
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this.m_actualNumberOfColors = value; |
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} |
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} |
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// The color map as a 2-D pixel array
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/// <summary>
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/// Gets the colormap.
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/// </summary>
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public byte[][] Colormap |
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{ |
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get |
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{ |
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return this.m_colormap; |
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} |
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internal set |
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{ |
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this.m_colormap = value; |
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} |
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} |
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// These fields record data obtained from optional markers
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// recognized by the JPEG library.
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// JFIF code for pixel size units
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/// <summary>
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/// Gets the density unit.
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/// </summary>
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public DensityUnit DensityUnit |
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{ |
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get |
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{ |
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return this.m_densityUnit; |
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} |
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internal set |
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{ |
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this.m_densityUnit = value; |
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} |
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} |
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// Horizontal pixel density
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/// <summary>
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/// Gets the density x.
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/// </summary>
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public int DensityX |
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{ |
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get |
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{ |
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return this.m_densityX; |
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} |
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internal set |
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{ |
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this.m_densityX = value; |
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} |
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} |
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// Vertical pixel density
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/// <summary>
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/// Gets the density y.
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/// </summary>
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public int DensityY |
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{ |
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get |
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{ |
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return this.m_densityY; |
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} |
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internal set |
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{ |
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this.m_densityY = value; |
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} |
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} |
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} |
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} |
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@ -0,0 +1,3 @@ |
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version https://git-lfs.github.com/spec/v1 |
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oid sha256:048c66eb1d5257d36319da28ca24837429e0604682e4ebb74778175fbbb18db9 |
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size 49595 |
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