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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
namespace Windows.Win32.Graphics.GdiPlus;
internal enum PixelFormat
{
/// <summary>
/// Specifies that pixel data contains color indexed values which means they are an index to colors in the
/// system color table, as opposed to individual color values.
/// </summary>
Indexed = (int)PInvokeCore.PixelFormatIndexed,
/// <summary>
/// Specifies that pixel data contains GDI colors.
/// </summary>
Gdi = (int)PInvokeCore.PixelFormatGDI,
/// <summary>
/// Specifies that pixel data contains alpha values that are not pre-multiplied.
/// </summary>
Alpha = (int)PInvokeCore.PixelFormatAlpha,
/// <summary>
/// Specifies that pixel format contains pre-multiplied alpha values.
/// </summary>
PAlpha = (int)PInvokeCore.PixelFormatPAlpha,
/// <summary>
/// Specifies that pixel format contains extended color values of 16 bits per channel.
/// </summary>
Extended = (int)PInvokeCore.PixelFormatExtended,
Canonical = (int)PInvokeCore.PixelFormatCanonical,
/// <summary>
/// Specifies that pixel format is undefined.
/// </summary>
Undefined = (int)PInvokeCore.PixelFormatUndefined,
/// <summary>
/// Specifies that pixel format doesn't matter.
/// </summary>
DontCare = (int)PInvokeCore.PixelFormatDontCare,
/// <summary>
/// Specifies that pixel format is 1 bit per pixel indexed color. The color table therefore has two colors in it.
/// </summary>
Format1bppIndexed = 1 | (1 << 8) | Indexed | Gdi,
/// <summary>
/// Specifies that pixel format is 4 bits per pixel indexed color. The color table therefore has 16 colors in it.
/// </summary>
Format4bppIndexed = 2 | (4 << 8) | Indexed | Gdi,
/// <summary>
/// Specifies that pixel format is 8 bits per pixel indexed color. The color table therefore has 256 colors in it.
/// </summary>
Format8bppIndexed = 3 | (8 << 8) | Indexed | Gdi,
/// <summary>
/// Specifies that pixel format is 16 bits per pixel. The color information specifies 65536 shades of gray.
/// </summary>
Format16bppGrayScale = 4 | (16 << 8) | Extended,
/// <summary>
/// Specifies that pixel format is 16 bits per pixel. The color information specifies 32768 shades of color of
/// which 5 bits are red, 5 bits are green and 5 bits are blue.
/// </summary>
Format16bppRgb555 = 5 | (16 << 8) | Gdi,
Format16bppRgb565 = 6 | (16 << 8) | Gdi,
/// <summary>
/// Specifies that pixel format is 16 bits per pixel. The color information specifies 32768 shades of color of
/// which 5 bits are red, 5 bits are green, 5 bits are blue and 1 bit is alpha.
/// </summary>
Format16bppArgb1555 = 7 | (16 << 8) | Alpha | Gdi,
/// <summary>
/// Specifies that pixel format is 24 bits per pixel. The color information specifies 16777216 shades of color
/// of which 8 bits are red, 8 bits are green and 8 bits are blue.
/// </summary>
Format24bppRgb = 8 | (24 << 8) | Gdi,
/// <summary>
/// Specifies that pixel format is 24 bits per pixel. The color information specifies 16777216 shades of color
/// of which 8 bits are red, 8 bits are green and 8 bits are blue.
/// </summary>
Format32bppRgb = 9 | (32 << 8) | Gdi,
/// <summary>
/// Specifies that pixel format is 32 bits per pixel. The color information specifies 16777216 shades of color
/// of which 8 bits are red, 8 bits are green and 8 bits are blue. The 8 additional bits are alpha bits.
/// </summary>
Format32bppArgb = 10 | (32 << 8) | Alpha | Gdi | Canonical,
/// <summary>
/// Specifies that pixel format is 32 bits per pixel. The color information specifies 16777216 shades of color
/// of which 8 bits are red, 8 bits are green and 8 bits are blue. The 8 additional bits are pre-multiplied alpha bits.
/// </summary>
Format32bppPArgb = 11 | (32 << 8) | Alpha | PAlpha | Gdi,
/// <summary>
/// Specifies that pixel format is 48 bits per pixel. The color information specifies 16777216 shades of color
/// of which 8 bits are red, 8 bits are green and 8 bits are blue. The 8 additional bits are alpha bits.
/// </summary>
Format48bppRgb = 12 | (48 << 8) | Extended,
/// <summary>
/// Specifies pixel format is 64 bits per pixel. The color information specifies 16777216 shades of color of
/// which 16 bits are red, 16 bits are green and 16 bits are blue. The 16 additional bits are alpha bits.
/// </summary>
Format64bppArgb = 13 | (64 << 8) | Alpha | Canonical | Extended,
/// <summary>
/// Specifies that pixel format is 64 bits per pixel. The color information specifies 16777216 shades of color
/// of which 16 bits are red, 16 bits are green and 16 bits are blue. The 16 additional bits are pre-multiplied
/// alpha bits.
/// </summary>
Format64bppPArgb = 14 | (64 << 8) | Alpha | PAlpha | Extended,
/// <summary>
/// Specifies that pixel format is 64 bits per pixel. The color information specifies 16777216 shades of color
/// of which 16 bits are red, 16 bits are green and 16 bits are blue. The 16 additional bits are alpha bits.
/// </summary>
Max = 15,
}
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