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Fixed LOGPALETTE structure and associated functions

pull/382/head
David Hall 2023-02-21 21:33:28 -07:00
parent 30f7fcc941
commit ebbe292a91
6 changed files with 10957 additions and 10889 deletions
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2829
PInvoke/Gdi32/WinGdi.Color.cs
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5091
PInvoke/Kernel32/AppModel.cs
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2
PInvoke/Ole/Ole32/OCIdl.cs
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@ -8289,7 +8289,7 @@ namespace Vanara.PInvoke
// https://docs.microsoft.com/en-us/windows/win32/api/oleidl/nf-oleidl-iviewobject-getcolorset HRESULT GetColorSet( DWORD
// dwDrawAspect, LONG lindex, void *pvAspect, DVTARGETDEVICE *ptd, HDC hicTargetDev, LOGPALETTE **ppColorSet );
new unsafe HRESULT GetColorSet(DVASPECT dwDrawAspect, int lindex, [In, Optional] DVASPECTINFO* pvAspect, [In, Optional] DVTARGETDEVICE* ptd,
[In, Optional] HDC hicTargetDev, out LOGPALETTE ppColorSet);
[In, Optional] HDC hicTargetDev, [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(VanaraCustomMarshaler<LOGPALETTE>))] out LOGPALETTE ppColorSet);
/// <summary>
/// Freezes the drawn representation of an object so that it will not change until the IViewObject::Unfreeze method is called.

13756
PInvoke/Ole/Ole32/OleIdl.cs
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160
PInvoke/Shared/WinGdi/WinGdi.LOGPALETTE.cs
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@ -1,97 +1,91 @@
using System;
#nullable enable
using System;
using System.Runtime.InteropServices;
using Vanara.Extensions;
using Vanara.InteropServices;
namespace Vanara.PInvoke
namespace Vanara.PInvoke;
/// <summary>The alpha intensity value for the palette entry.</summary>
[PInvokeData("wingdi.h")]
[Flags]
public enum PC : byte
{
/// <summary>The alpha intensity value for the palette entry.</summary>
[PInvokeData("wingdi.h")]
[Flags]
public enum PC : byte
{
/// <summary>
/// Specifies that the low-order word of the logical palette entry designates a hardware palette index. This flag allows the
/// application to show the contents of the display device palette.
/// </summary>
PC_EXPLICIT = 0x2,
/// <summary>
/// Specifies that the low-order word of the logical palette entry designates a hardware palette index. This flag allows the
/// application to show the contents of the display device palette.
/// </summary>
PC_EXPLICIT = 0x2,
/// <summary>
/// Specifies that the color be placed in an unused entry in the system palette instead of being matched to an existing color in
/// the system palette. If there are no unused entries in the system palette, the color is matched normally. Once this color is
/// in the system palette, colors in other logical palettes can be matched to this color.
/// </summary>
PC_NOCOLLAPSE = 0x4,
/// <summary>
/// Specifies that the color be placed in an unused entry in the system palette instead of being matched to an existing color in
/// the system palette. If there are no unused entries in the system palette, the color is matched normally. Once this color is
/// in the system palette, colors in other logical palettes can be matched to this color.
/// </summary>
PC_NOCOLLAPSE = 0x4,
/// <summary>
/// Specifies that the logical palette entry be used for palette animation. This flag prevents other windows from matching colors
/// to the palette entry since the color frequently changes. If an unused system-palette entry is available, the color is placed
/// in that entry. Otherwise, the color is not available for animation.
/// </summary>
PC_RESERVED = 0x1,
}
/// <summary>
/// Specifies that the logical palette entry be used for palette animation. This flag prevents other windows from matching colors
/// to the palette entry since the color frequently changes. If an unused system-palette entry is available, the color is placed
/// in that entry. Otherwise, the color is not available for animation.
/// </summary>
PC_RESERVED = 0x1,
}
/// <summary>The <c>LOGPALETTE</c> structure defines a logical palette.</summary>
/// <remarks>
/// The colors in the palette-entry table should appear in order of importance because entries earlier in the logical palette are
/// most likely to be placed in the system palette.
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/wingdi/ns-wingdi-taglogpalette typedef struct tagLOGPALETTE { WORD
// palVersion; WORD palNumEntries; PALETTEENTRY palPalEntry[1]; } LOGPALETTE, *PLOGPALETTE, *NPLOGPALETTE, *LPLOGPALETTE;
[PInvokeData("wingdi.h", MSDNShortId = "99d70a0e-ac61-4a88-a500-66443e7882ad")]
[StructLayout(LayoutKind.Sequential)]
public class LOGPALETTE : IDisposable
{
/// <summary>The version number of the system.</summary>
public ushort palVersion;
/// <summary>The <c>LOGPALETTE</c> structure defines a logical palette.</summary>
/// <remarks>
/// The colors in the palette-entry table should appear in order of importance because entries earlier in the logical palette are
/// most likely to be placed in the system palette.
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/wingdi/ns-wingdi-taglogpalette typedef struct tagLOGPALETTE { WORD
// palVersion; WORD palNumEntries; PALETTEENTRY palPalEntry[1]; } LOGPALETTE, *PLOGPALETTE, *NPLOGPALETTE, *LPLOGPALETTE;
[PInvokeData("wingdi.h", MSDNShortId = "99d70a0e-ac61-4a88-a500-66443e7882ad")]
[VanaraMarshaler(typeof(SafeAnysizeStructMarshaler<LOGPALETTE>), nameof(palNumEntries))]
[StructLayout(LayoutKind.Sequential)]
public class LOGPALETTE
{
/// <summary>The version number of the system.</summary>
public ushort palVersion;
/// <summary>The number of entries in the logical palette.</summary>
public ushort palNumEntries;
/// <summary>The number of entries in the logical palette.</summary>
public ushort palNumEntries;
private IntPtr _palPalEntry;
/// <summary>Specifies an array of PALETTEENTRY structures that define the color and usage of each entry in the logical palette.</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 1)]
public PALETTEENTRY[]? palPalEntry;
}
/// <summary>Specifies an array of PALETTEENTRY structures that define the color and usage of each entry in the logical palette.</summary>
public PALETTEENTRY[] palPalEntry
{
get => _palPalEntry.ToArray<PALETTEENTRY>(palNumEntries);
set { Marshal.FreeHGlobal(_palPalEntry); value.MarshalToPtr<PALETTEENTRY>(Marshal.AllocHGlobal, out _); }
}
/// <summary>Specifies the color and usage of an entry in a logical palette.</summary>
// https://docs.microsoft.com/en-us/windows/desktop/api/wingdi/ns-wingdi-tagpaletteentry typedef struct tagPALETTEENTRY { BYTE peRed;
// BYTE peGreen; BYTE peBlue; BYTE peFlags; } PALETTEENTRY, *PPALETTEENTRY, *LPPALETTEENTRY;
[PInvokeData("wingdi.h")]
[StructLayout(LayoutKind.Sequential)]
public struct PALETTEENTRY
{
/// <summary>
/// <para>Type: <c>BYTE</c></para>
/// <para>The red intensity value for the palette entry.</para>
/// </summary>
public byte peRed;
/// <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.</summary>
void IDisposable.Dispose() => Marshal.FreeHGlobal(_palPalEntry);
}
/// <summary>
/// <para>Type: <c>BYTE</c></para>
/// <para>The green intensity value for the palette entry.</para>
/// </summary>
public byte peGreen;
/// <summary>Specifies the color and usage of an entry in a logical palette.</summary>
// https://docs.microsoft.com/en-us/windows/desktop/api/wingdi/ns-wingdi-tagpaletteentry typedef struct tagPALETTEENTRY { BYTE peRed;
// BYTE peGreen; BYTE peBlue; BYTE peFlags; } PALETTEENTRY, *PPALETTEENTRY, *LPPALETTEENTRY;
[PInvokeData("wingdi.h")]
[StructLayout(LayoutKind.Sequential)]
public struct PALETTEENTRY
{
/// <summary>
/// <para>Type: <c>BYTE</c></para>
/// <para>The red intensity value for the palette entry.</para>
/// </summary>
public byte peRed;
/// <summary>
/// <para>Type: <c>BYTE</c></para>
/// <para>The blue intensity value for the palette entry.</para>
/// </summary>
public byte peBlue;
/// <summary>
/// <para>Type: <c>BYTE</c></para>
/// <para>The green intensity value for the palette entry.</para>
/// </summary>
public byte peGreen;
/// <summary>
/// <para>Type: <c>BYTE</c></para>
/// <para>The blue intensity value for the palette entry.</para>
/// </summary>
public byte peBlue;
/// <summary>
/// <para>Type: <c>BYTE</c></para>
/// <para>
/// The alpha intensity value for the palette entry. Note that as of DirectX 8, this member is treated differently than
/// documented for Windows.
/// </para>
/// </summary>
public PC peFlags;
}
/// <summary>
/// <para>Type: <c>BYTE</c></para>
/// <para>
/// The alpha intensity value for the palette entry. Note that as of DirectX 8, this member is treated differently than
/// documented for Windows.
/// </para>
/// </summary>
public PC peFlags;
}

8
UnitTests/PInvoke/Gdi32/Gdi32Tests.cs
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@ -34,6 +34,14 @@ namespace Vanara.PInvoke.Tests
Assert.That(CreateFont(), ResultIs.ValidHandle);
}
[Test]
public void CreatePaletteTest()
{
LOGPALETTE lp = new() { palVersion = 0x300, palNumEntries = 32, palPalEntry = new PALETTEENTRY[32] };
for (int i = 0;i < 32; i++) { lp.palPalEntry[i] = new() { peFlags = PC.PC_NOCOLLAPSE }; }
Assert.That(CreatePalette(lp), ResultIs.ValidHandle);
}
// TODO: [Test]
public void DeleteDCTest()
{