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Start parsing EmfPlusPen, EmfPlusBrush, and EmfPlusDrawlines #4

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Start parsing EmfPlusPen, EmfPlusBrush, and EmfPlusDrawlines #4

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24 changes: 12 additions & 12 deletions src/AutoGenerated/AutoGeneratedConstants.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -20,22 +20,22 @@ public static class Integers
/// <summary>
/// Current month 1..12
/// </summary>
public const int CurrentMonth = 10;
public const int CurrentMonth = 12;

/// <summary>
/// Current day of the month 1..31
/// </summary>
public const int CurrentDayOfMonth = 30;
public const int CurrentDayOfMonth = 23;

/// <summary>
/// Current hour from 0..23
/// </summary>
public const int CurrentHour = 16;
public const int CurrentHour = 20;

/// <summary>
/// Current hour from 0..59
/// </summary>
public const int CurrentMinute = 7;
public const int CurrentMinute = 22;
}

public static class Strings
Expand All @@ -48,42 +48,42 @@ public static class Strings
/// <summary>
/// Current month 1..12
/// </summary>
public const string CurrentMonth = "10";
public const string CurrentMonth = "12";

/// <summary>
/// Current month 01..12
/// </summary>
public const string CurrentTwoDigitMonth = "10";
public const string CurrentTwoDigitMonth = "12";

/// <summary>
/// Current day of the month 1..31
/// </summary>
public const string CurrentDayOfMonth = "30";
public const string CurrentDayOfMonth = "23";

/// <summary>
/// Current two digit day of the month 01..31
/// </summary>
public const string CurrentTwoDigitDayOfMonth = "30";
public const string CurrentTwoDigitDayOfMonth = "23";

/// <summary>
/// Current hour from 0..23
/// </summary>
public const string CurrentHour = "16";
public const string CurrentHour = "20";

/// <summary>
/// Current two digit hour from 00..23
/// </summary>
public const string CurrentTwoDigitHour = "16";
public const string CurrentTwoDigitHour = "20";

/// <summary>
/// Current hour from 0..59
/// </summary>
public const string CurrentMinute = "7";
public const string CurrentMinute = "22";

/// <summary>
/// Current two digit hour from 00..59
/// </summary>
public const string CurrentTwoDigitMinute = "07";
public const string CurrentTwoDigitMinute = "22";
}
}
}
45 changes: 42 additions & 3 deletions src/Tests/WInterop.Tests/GdiPlus/Metafiles.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -304,8 +304,10 @@ public unsafe void ParseGdiCommentRecords()
using (MetafilePlus record = new(stream, deviceContext, EmfType.EmfPlusDual))
{
using Graphics graphics = new(record);
using Pen pen = new(Color.Purple);
graphics.DrawLine(pen, new(1, 1), new(3, 5));
using Pen pen = new(Color.Purple, 10, GpUnit.UnitInch);
pen.SetStartCap(GpLineCapType.LineCapArrowAnchor);
pen.SetEndCap(GpLineCapType.LineCapRoundAnchor);
graphics.DrawLine(pen, new(20, 175), new(300, 175));
}

fixed (byte* b = stream.GetBuffer())
Expand All @@ -329,13 +331,50 @@ public unsafe void ParseGdiCommentRecords()
emr = emr->GetNextRecord();
emr->iType.Should().Be(MetafileRecordType.GdiComment);

emr->dParam[0].Should().Be(76);
emr->dParam[0].Should().Be(84);

record = MetafilePlusRecord.GetFromMetafileComment((EMRGDICOMMENT*)emr);
record->Type.Should().Be(RecordType.EmfPlusObject);

MetafilePlusObject* @object = (MetafilePlusObject*)record;
@object->ObjectType.Should().Be(MetafilePlusObjectType.Pen);

// TODO: Complete MetafilePlusPen
MetafilePlusPen* pen = (MetafilePlusPen*)@object->ObjectData;
pen->Version->MetafileSignature.ToString("X").Should().Be("DBC01");
pen->Version->GraphicsVersion.Should().Be(GraphicsVersionEnum.GraphicsVersion1_1);
pen->Type.Should().Be(0);
pen->PenData->PenUnit.Should().Be(UnitType.UnitTypeInch);
pen->PenData->PenWidth.Should().Be(10);
(pen->PenData->PenDataFlags & PenDataFlags.PenDataStartCap).Should().NotBe(0);
(pen->PenData->PenDataFlags & PenDataFlags.PenDataEndCap).Should().NotBe(0);
pen->PenData->OptionalData->StartCap.Should().Be(LineCapType.LineCapTypeArrowAnchor);
pen->PenData->OptionalData->EndCap.Should().Be(LineCapType.LineCapTypeRoundAnchor);
pen->BrushObject->Version->MetafileSignature.ToString("X").Should().Be("DBC01");
pen->BrushObject->Version->GraphicsVersion.Should().Be(GraphicsVersionEnum.GraphicsVersion1_1);
pen->BrushObject->Type.Should().Be(BrushType.BrushTypeSolidColor);
pen->BrushObject->BrushData->SolidColor.Alpha.Should().Be(Color.Purple.A);
pen->BrushObject->BrushData->SolidColor.Red.Should().Be(Color.Purple.R);
pen->BrushObject->BrushData->SolidColor.Green.Should().Be(Color.Purple.G);
pen->BrushObject->BrushData->SolidColor.Blue.Should().Be(Color.Purple.B);

// Get the next EMF+ record
record = MetafilePlusRecord.GetNextMetafilePlusRecord(record);
record->Type.Should().Be(RecordType.EmfPlusDrawLines);

// TODO: Complete MetafileDrawLines
MetafilePlusDrawLines* @drawLines = (MetafilePlusDrawLines*)record;
@drawLines->CompressedData.Should().Be(true);
@drawLines->ExtraLine.Should().Be(false);
@drawLines->RelativeLocation.Should().Be(false);
@drawLines->ObjectId.Should().Be(0);
@drawLines->Count.Should().Be(2); // Number of points
MetafilePlusPoint point1 = @drawLines->GetPoint(0);
MetafilePlusPoint point2 = @drawLines->GetPoint(1);
point1.X.Should().Be(20);
point1.Y.Should().Be(175);
point2.X.Should().Be(300);
point2.Y.Should().Be(175);
}
}
}
Expand Down
82 changes: 82 additions & 0 deletions src/WInterop.GdiPlus/EmfPlus/MetafilePlusBrush.cs
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@@ -0,0 +1,82 @@
// Copyright (c) Jeremy W. Kuhne. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System.Runtime.InteropServices;

namespace WInterop.GdiPlus.EmfPlus
{
[StructLayout(LayoutKind.Sequential)]
public readonly ref struct MetafilePlusBrush
{
private readonly byte _data;

public unsafe readonly MetafilePlusGraphicsVersion* Version
{
get
{
fixed (byte* b = &_data)
{
return (MetafilePlusGraphicsVersion*)b;
}
}
}

public unsafe readonly BrushType Type
{
get
{
fixed (byte* b = &_data)
{
return *(BrushType*)(b + 4);
}
}
}

public unsafe readonly MetafilePlusSolidBrushData* BrushData
{
get
{
fixed (byte* b = &_data)
{
return (MetafilePlusSolidBrushData*)(b + 8);
}
}
}

// TODO: Implement BrushData
}

[StructLayout(LayoutKind.Sequential)]
public readonly ref struct MetafilePlusSolidBrushData
{
private readonly byte _data;

public unsafe readonly MetafilePlusARGB SolidColor
{
get
{
fixed (byte* b = &_data)
{
return *(MetafilePlusARGB*)(b);
}
}
}
}

public enum BrushType : uint
{
BrushTypeSolidColor = 0x00000000,
BrushTypeHatchFill = 0x00000001,
BrushTypeTextureFill = 0x00000002,
BrushTypePathGradient = 0x00000003,
BrushTypeLinearGradient = 0x00000004
}

[StructLayout(LayoutKind.Sequential)]
public readonly ref struct MetafilePlusARGB
{
public readonly byte Blue;
public readonly byte Green;
public readonly byte Red;
public readonly byte Alpha;
}
}
119 changes: 119 additions & 0 deletions src/WInterop.GdiPlus/EmfPlus/MetafilePlusDrawLines.cs
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@@ -0,0 +1,119 @@
using System;
using System.Runtime.InteropServices;

namespace WInterop.GdiPlus.EmfPlus
{
[StructLayout(LayoutKind.Sequential)]
public readonly ref struct MetafilePlusDrawLines
{
public const ushort CompressedDataFlag = 0b0100_0000_0000_0000;
public const ushort ExtraLineFlag = 0b0010_0000_0000_0000;
public const ushort RelativeLocationFlag = 0b0001_0000_0000_0000;
public const ushort ObjectIdMask = 0b0000_0000_1111_1111;

public readonly MetafilePlusRecord Record;

private readonly byte _data;

public unsafe uint Count
{
get
{
fixed (byte* b = &_data)
{
return *(uint*)b;
}
}
}

public uint Size
{
get
{
if (RelativeLocation)
{
return (Count * 0x00000002) + 0x00000010;
}
else if (CompressedData)
{
return (Count * 0x00000004) + 0x00000010;
}
else
{
return (Count * 0x00000008) + 0x00000010;
}
}
}


public uint DataSize
{
get
{
if (RelativeLocation)
{
return (Count * 0x00000002) + 0x00000004;
}
else if (CompressedData)
{
return (Count * 0x00000004) + 0x00000004;
}
else
{
return (Count * 0x00000008) + 0x00000004;
}
}
}

public unsafe byte[] PointData
{
get
{
byte[] pointData = new byte[DataSize - 4];
fixed (byte* ptr = &_data)
{
for (int i = 0; 4 + i < DataSize; i++)
{
pointData[i] = ptr[4 + i];
}
}

return pointData;
}
}

public bool CompressedData => (Record.Flags & CompressedDataFlag) != 0;
public bool ExtraLine => (Record.Flags & ExtraLineFlag) != 0;
public bool RelativeLocation => (Record.Flags & RelativeLocationFlag) != 0;
public int ObjectId => Record.Flags & ObjectIdMask;

public MetafilePlusPoint GetPoint(int index)
{
int offset = index * 4;
MetafilePlusPoint point = new ();
point.X = BitConverter.ToUInt16(PointData, offset);
point.Y = BitConverter.ToUInt16(PointData, offset + 2);
return point;
}
}

[StructLayout(LayoutKind.Sequential)]
public struct MetafilePlusPointR
{

}

[StructLayout(LayoutKind.Sequential)]
public struct MetafilePlusPoint
{
public ushort X;
public ushort Y;
}

[StructLayout(LayoutKind.Sequential)]
public struct MetafilePlusPointF
{
public uint X;
public uint Y;
}
}
35 changes: 35 additions & 0 deletions src/WInterop.GdiPlus/EmfPlus/MetafilePlusGraphicsVersion.cs
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@@ -0,0 +1,35 @@
// Copyright (c) Jeremy W. Kuhne. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

using System.Runtime.InteropServices;

namespace WInterop.GdiPlus.EmfPlus
{
[StructLayout(LayoutKind.Sequential)]
public readonly ref struct MetafilePlusGraphicsVersion
{
public const uint MetafileSignatureMask = 0b1111_1111_1111_1111_1111_0000_0000_0000;
public const uint GraphicsVersionMask = 0b0000_0000_0000_0000_0000_1111_1111_1111;

private readonly byte _data;

public unsafe readonly uint MetafileSignature
{
get
{
fixed (byte* b = &_data)
{
return (*(uint*)(b) & MetafileSignatureMask) >> 12;
}
}
}

public readonly GraphicsVersionEnum GraphicsVersion => (GraphicsVersionEnum)(_data & GraphicsVersionMask);
}

public enum GraphicsVersionEnum : uint
{
GraphicsVersion1 = 0x0001,
GraphicsVersion1_1 = 0x0002
}
}
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