using System;
using System.Runtime.InteropServices;
namespace Vanara.PInvoke
{
public static partial class XpsObjectModel
{
/// The contents of the XPS_COLOR structure when the colorType is XPS_COLOR_TYPE_CONTEXT.
/// For information about how to interpret or apply the values in this structure's members, see the XML Paper Specification.
// https://docs.microsoft.com/en-us/windows/win32/api/xpsobjectmodel/ns-xpsobjectmodel-xps_color typedef struct
// __MIDL___MIDL_itf_xpsobjectmodel_0000_0000_0024 { XPS_COLOR_TYPE colorType; union { struct { UINT8 alpha; UINT8 red; UINT8 green;
// UINT8 blue; } sRGB; struct { FLOAT alpha; FLOAT red; FLOAT green; FLOAT blue; } scRGB; struct { UINT8 channelCount; FLOAT
// channels[9]; } context; } value; __MIDL___MIDL_itf_xpsobjectmodel_0000_0000_0028 __MIDL___MIDL_itf_xpsobjectmodel_0000_0000_0028;
// } XPS_COLOR;
[PInvokeData("xpsobjectmodel.h", MSDNShortId = "76dcabb0-2407-4877-9f52-100883746695")]
[StructLayout(LayoutKind.Explicit, Pack = 4, Size = 44)]
public struct XPS_COLOR
{
///
[FieldOffset(0)]
public XPS_COLOR_TYPE colorType;
/// The contents of the XPS_COLOR structure when the colorType is XPS_COLOR_TYPE_SRGB.
[FieldOffset(4)]
public XPS_COLOR_TYPE_SRGB sRGB;
/// The contents of the XPS_COLOR structure when the colorType is XPS_COLOR_TYPE_SCRGB.
[FieldOffset(4)]
public XPS_COLOR_TYPE_SCRGB scRGB;
/// The contents of the XPS_COLOR structure when the colorType is XPS_COLOR_TYPE_CONTEXT.
[FieldOffset(4)]
public XPS_COLOR_TYPE_CONTEXT context;
/// The contents of the XPS_COLOR structure when the colorType is XPS_COLOR_TYPE_SCRGB.
/// For information about how to interpret or apply the values of this structure's members, see the XML Paper Specification.
// https://docs.microsoft.com/en-us/previous-versions/windows/desktop/dd372943(v=vs.85)
[StructLayout(LayoutKind.Sequential, Pack = 4)]
public struct XPS_COLOR_TYPE_SCRGB
{
/// The floating-point value of the alpha (transparency) channel.
public float alpha;
/// The floating-point value of the red color channel.
public float red;
/// The floating-point value of the greeen color channel.
public float green;
/// The floating-point value of the blue color channel.
public float blue;
}
/// The contents of the XPS_COLOR structure when the colorType is XPS_COLOR_TYPE_CONTEXT.
[StructLayout(LayoutKind.Sequential, Pack = 4)]
public struct XPS_COLOR_TYPE_CONTEXT
{
/// The number of color channels, including the alpha channel.
public byte channelCount;
private float channel0;
private float channel1;
private float channel2;
private float channel3;
private float channel4;
private float channel5;
private float channel6;
private float channel7;
private float channel8;
/// An array of floating-point color values for up to nine color channels, including the alpha channel.
///
/// The first element in the array, channels[0], contains the value for the alpha channel.The remaining elements in the
/// array have context-specific color channel values.
///
public float[] channel
{
get
{
var ret = new float[channelCount];
unsafe
{
fixed (void* ptr = &this)
fixed (float* pRet = ret)
{
float* fptr = (float*)((byte*)ptr + 4);
for (int i = 0; i < channelCount; i++)
*(pRet + i) = *(fptr + i);
}
}
return ret;
}
set
{
if (value is null) value = new float[0];
if (value.Length > 9) throw new InvalidOperationException("Only 9 channels can be set.");
channelCount = (byte)value.Length;
unsafe
{
fixed (void* ptr = &this)
fixed (float* pVal = value)
{
float* fptr = (float*)((byte*)ptr + 4);
for (int i = 0; i < channelCount; i++)
*(fptr + i) = *(pVal + i);
}
}
}
}
}
/// The contents of the XPS_COLOR structure when the colorType is XPS_COLOR_TYPE_SRGB.
/// For information about how to interpret or apply the values of this structure's members, see the XML Paper Specification.
// https://docs.microsoft.com/en-us/previous-versions/windows/desktop/dd372944(v=vs.85)
[StructLayout(LayoutKind.Sequential, Pack = 1)]
public struct XPS_COLOR_TYPE_SRGB
{
/// The 8-bit value of the alpha (transparency) channel.
public byte alpha;
/// The 8-bit value of the red color channel.
public byte red;
/// The 8-bit value of the green color channel.
public byte green;
/// The 8-bit value of the blue color channel.
public byte blue;
}
}
/// This structure describes a dash element of a path.
///
/// The length must be non-negative and is measured in multiples of the path's stroke thickness.
/// Values of length do not include the end caps of the visible segments.
/// The shape of the end caps of the visible segments is determined by the XPS_DASH_CAP value.
///
// https://docs.microsoft.com/en-us/windows/win32/api/xpsobjectmodel/ns-xpsobjectmodel-xps_dash typedef struct
// __MIDL___MIDL_itf_xpsobjectmodel_0000_0000_0020 { FLOAT length; FLOAT gap; } XPS_DASH;
[PInvokeData("xpsobjectmodel.h", MSDNShortId = "c8f43f91-eefb-4025-8042-c2601e89d315")]
[StructLayout(LayoutKind.Sequential)]
public struct XPS_DASH
{
/// Length of the visible segment of the dash element.
public float length;
/// Length of the space between the visible segments of the dash sequence.
public float gap;
}
/// Describes the placement and location of a glyph.
// https://docs.microsoft.com/en-us/windows/win32/api/xpsobjectmodel/ns-xpsobjectmodel-xps_glyph_index typedef struct
// __MIDL___MIDL_itf_xpsobjectmodel_0000_0000_0021 { LONG index; FLOAT advanceWidth; FLOAT horizontalOffset; FLOAT verticalOffset; } XPS_GLYPH_INDEX;
[PInvokeData("xpsobjectmodel.h", MSDNShortId = "0ea30e0f-f32b-4a38-9591-27cb1fe7f234")]
[StructLayout(LayoutKind.Sequential)]
public struct XPS_GLYPH_INDEX
{
/// The index of a glyph in the physical font.
public int index;
///
/// Indicates the placement of the glyph that follows, relative to the origin of the current glyph. Measured in hundredths of
/// the font's em-size.
///
public float advanceWidth;
///
/// The horizontal distance, in the effective coordinate space, by which to move the glyph from the glyph's origin. Measured in
/// hundredths of the font's em-size.
///
public float horizontalOffset;
///
/// The vertical distance, in the effective coordinate space, by which to move the glyph from the glyph's origin. Measured in
/// hundredths of the font's em-size.
///
public float verticalOffset;
}
/// Describes a glyph-to-index mapping.
// https://docs.microsoft.com/en-us/windows/win32/api/xpsobjectmodel/ns-xpsobjectmodel-xps_glyph_mapping typedef struct
// __MIDL___MIDL_itf_xpsobjectmodel_0000_0000_0022 { UINT32 unicodeStringStart; UINT16 unicodeStringLength; UINT32
// glyphIndicesStart; UINT16 glyphIndicesLength; } XPS_GLYPH_MAPPING;
[PInvokeData("xpsobjectmodel.h", MSDNShortId = "5cc76cba-66e4-4853-969b-a99ec7bb22f3")]
[StructLayout(LayoutKind.Sequential)]
public struct XPS_GLYPH_MAPPING
{
/// Index of the first Unicode character in the mapping string.
public uint unicodeStringStart;
/// Number of characters in the mapping string.
public ushort unicodeStringLength;
/// The glyph array's first index that corresponds to unicodeStringStart.
public uint glyphIndicesStart;
/// Length of index mapping.
public ushort glyphIndicesLength;
}
/// Describes the left two columns of a 3-by-3 matrix.
///
/// The values in the third column of the matrix are assumed to be 0, 0, 1.
/// The following table shows the entire matrix.
///
///
/// m11
/// m12
/// 0
///
/// -
/// m21
/// m22
/// 0
///
/// -
/// m31
/// m32
/// 1
///
///
///
// https://docs.microsoft.com/en-us/windows/win32/api/xpsobjectmodel/ns-xpsobjectmodel-xps_matrix typedef struct
// __MIDL___MIDL_itf_xpsobjectmodel_0000_0000_0023 { FLOAT m11; FLOAT m12; FLOAT m21; FLOAT m22; FLOAT m31; FLOAT m32; } XPS_MATRIX;
[PInvokeData("xpsobjectmodel.h", MSDNShortId = "0df75410-0e34-4962-8499-879d5153d9af")]
[StructLayout(LayoutKind.Sequential)]
public struct XPS_MATRIX
{
/// The value in the left column of the first row of the matrix.
public float m11;
/// The value in the center column of the first row of the matrix.
public float m12;
/// The value in the left column of the second row of the matrix.
public float m21;
/// The value in the center column of the second row of the matrix.
public float m22;
/// The value in the left column of the third row of the matrix. This value is also the x-offset.
public float m31;
/// The value in the center column of the third row of the matrix. This value is also the y-offset.
public float m32;
}
}
}