Move Windows-specific projects into separate solution.

2022-03-05 01:01:39 +01:00
parent 11e42c98f4
commit 23c2682c6e
23 changed files with 161 additions and 158 deletions
@@ -0,0 +1,35 @@
+
+namespace TriangleNet.Rendering.GDI.Native
+{
+    using System;
+
+    /// <summary>
+    /// Specifies gradient fill mode
+    /// </summary>
+    [Flags]
+    internal enum GradientFillMode : uint
+    {
+        /// <summary>
+        /// In this mode, two endpoints describe a rectangle. The rectangle is defined
+        /// to have a constant color (specified by the TRIVERTEX structure) for the
+        /// left and right edges. GDI interpolates the color from the left to right
+        /// edge and fills the interior
+        /// </summary>
+        GRADIENT_FILL_RECT_H = 0,
+        /// <summary>
+        /// In this mode, two endpoints describe a rectangle. The rectangle is
+        /// defined to have a constant color (specified by the TRIVERTEX structure)
+        /// for the top and bottom edges. GDI interpolates the color from the top
+        /// to bottom edge and fills the interior
+        /// </summary>
+        GRADIENT_FILL_RECT_V = 1,
+        /// <summary>
+        /// In this mode, an array of TRIVERTEX structures is passed to GDI
+        /// along with a list of array indexes that describe separate triangles.
+        /// GDI performs linear interpolation between triangle vertices and fills
+        /// the interior. Drawing is done directly in 24- and 32-bpp modes.
+        /// Dithering is performed in 16-, 8-, 4-, and 1-bpp mode
+        /// </summary>
+        GRADIENT_FILL_TRIANGLE = 2
+    }
+}
@@ -0,0 +1,28 @@
+
+namespace TriangleNet.Rendering.GDI.Native
+{
+    using System.Runtime.InteropServices;
+
+    /// <summary>
+    /// The GRADIENT_RECT structure specifies the index of two vertices in the
+    /// pVertex array in the GradientFill function. These two vertices form the
+    /// upper-left and lower-right boundaries of a rectangle.
+    /// </summary>
+    /// <remarks>
+    /// http://msdn.microsoft.com/en-us/library/windows/desktop/dd144958.aspx
+    /// </remarks>
+    [StructLayout(LayoutKind.Sequential)]
+    internal struct GradientRect
+    {
+        /// <summary>
+        /// The upper-left corner of a rectangle.
+        /// </summary>
+        public uint UpperLeft;
+
+        /// <summary>
+        /// The lower-right corner of a rectangle.
+        /// </summary>
+        public uint LowerRight;
+    }
+
+}
@@ -0,0 +1,32 @@
+
+namespace TriangleNet.Rendering.GDI.Native
+{
+    using System.Runtime.InteropServices;
+
+    /// <summary>
+    /// The GRADIENT_TRIANGLE structure specifies the index of three
+    /// vertices in the pVertex array in the GradientFill function.
+    /// These three vertices form one triangle
+    /// </summary>
+    /// <remarks>
+    /// http://msdn.microsoft.com/en-us/library/windows/desktop/dd144959.aspx
+    /// </remarks>
+    [StructLayout(LayoutKind.Sequential)]
+    internal struct GradientTriangle
+    {
+        /// <summary>
+        /// The first point of the triangle where sides intersect.
+        /// </summary>
+        public uint Vertex1;
+
+        /// <summary>
+        /// The second point of the triangle where sides intersect.
+        /// </summary>
+        public uint Vertex2;
+
+        /// <summary>
+        /// The third point of the triangle where sides intersect.
+        /// </summary>
+        public uint Vertex3;
+    }
+}
@@ -0,0 +1,90 @@
+
+namespace TriangleNet.Rendering.GDI.Native
+{
+    using System;
+    using System.Runtime.InteropServices;
+
+    /// <summary>
+    /// PInvoke signatures for GradientFill methods.
+    /// </summary>
+    /// <remarks>
+    /// Minimum requirements: Windows 2000 Professional
+    /// 
+    /// http://msdn.microsoft.com/en-us/library/windows/desktop/dd144957.aspx
+    /// </remarks>
+    internal static class NativeMethods
+    {
+        /// <summary>
+        /// The GradientFill function fills rectangle and triangle structures
+        /// </summary>
+        /// <param name="hdc">Handle to the destination device context</param>
+        /// <param name="pVertex">Array of TRIVERTEX structures that each define a triangle vertex</param>
+        /// <param name="nVertex">The number of vertices in pVertex</param>
+        /// <param name="pMesh">Array of elements</param>
+        /// <param name="nMesh">The number of elements in pMesh</param>
+        /// <param name="ulMode">Specifies gradient fill mode</param>
+        /// <returns>If the function succeeds, the return value is true, false</returns>
+        public static bool GradientFill([In] IntPtr hdc, TriVertex[] pVertex, uint nVertex, uint[] pMesh, uint nMesh,
+                                        GradientFillMode ulMode)
+        {
+            return Native.GradientFill(hdc, pVertex, nVertex, pMesh, nMesh, ulMode);
+        }
+
+        /// <summary>
+        /// The GradientFill function fills rectangle and triangle structures
+        /// </summary>
+        /// <param name="hdc">Handle to the destination device context</param>
+        /// <param name="pVertex">Array of TRIVERTEX structures that each define a triangle vertex</param>
+        /// <param name="nVertex">The number of vertices in pVertex</param>
+        /// <param name="pMesh">Array of GRADIENT_TRIANGLE structures in triangle mode</param>
+        /// <param name="nMesh">The number of elements in pMesh</param>
+        /// <param name="ulMode">Specifies gradient fill mode</param>
+        /// <returns>If the function succeeds, the return value is true, false</returns>
+        public static bool GradientFill([In] IntPtr hdc, TriVertex[] pVertex, uint nVertex, GradientTriangle[] pMesh,
+                                        uint nMesh, GradientFillMode ulMode)
+        {
+            return Native.GradientFill(hdc, pVertex, nVertex, pMesh, nMesh, ulMode);
+        }
+
+        /// <summary>
+        /// The GradientFill function fills rectangle and triangle structures
+        /// </summary>
+        /// <param name="hdc">Handle to the destination device context</param>
+        /// <param name="pVertex">Array of TRIVERTEX structures that each define a triangle vertex</param>
+        /// <param name="nVertex">The number of vertices in pVertex</param>
+        /// <param name="pMesh">an array of GRADIENT_RECT structures in rectangle mode</param>
+        /// <param name="nMesh">The number of elements in pMesh</param>
+        /// <param name="ulMode">Specifies gradient fill mode</param>
+        /// <returns>If the function succeeds, the return value is true, false</returns>
+        public static bool GradientFill([In] IntPtr hdc, TriVertex[] pVertex, uint nVertex, GradientRect[] pMesh,
+                                        uint nMesh, GradientFillMode ulMode)
+        {
+            return Native.GradientFill(hdc, pVertex, nVertex, pMesh, nMesh, ulMode);
+        }
+
+        #region Nested type: Native
+
+        internal class Native
+        {
+            [DllImport("msimg32.dll", EntryPoint = "GradientFill", SetLastError = true)]
+            [return: MarshalAs(UnmanagedType.Bool)]
+            public static extern bool GradientFill([In] IntPtr hdc,
+                [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.Struct, SizeParamIndex = 2)] TriVertex[] pVertex,
+                uint nVertex, uint[] pMesh, uint nMesh, GradientFillMode ulMode);
+
+            [DllImport("msimg32.dll", EntryPoint = "GradientFill", SetLastError = true)]
+            [return: MarshalAs(UnmanagedType.Bool)]
+            public static extern bool GradientFill([In] IntPtr hdc,
+                [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.Struct, SizeParamIndex = 2)] TriVertex[] pVertex,
+                uint nVertex, GradientRect[] pMesh, uint nMesh, GradientFillMode ulMode);
+
+            [DllImport("msimg32.dll", EntryPoint = "GradientFill", SetLastError = true)]
+            [return: MarshalAs(UnmanagedType.Bool)]
+            public static extern bool GradientFill([In] IntPtr hdc,
+                [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.Struct, SizeParamIndex = 2)] TriVertex[] pVertex,
+                uint nVertex, GradientTriangle[] pMesh, uint nMesh, GradientFillMode ulMode);
+        }
+
+        #endregion
+    }
+}
@@ -0,0 +1,45 @@
+
+namespace TriangleNet.Rendering.GDI.Native
+{
+    using System.Runtime.InteropServices;
+
+    /// <summary>
+    /// The TRIVERTEX structure contains color information and position information.
+    /// </summary>
+    /// <remarks>
+    /// http://msdn.microsoft.com/en-us/library/windows/desktop/dd145142.aspx
+    /// </remarks>
+    [StructLayout(LayoutKind.Sequential)]
+    internal struct TriVertex
+    {
+        /// <summary>
+        /// The x-coordinate, in logical units, of the upper-left corner of the rectangle
+        /// </summary>
+        public int x;
+
+        /// <summary>
+        /// The y-coordinate, in logical units, of the upper-left corner of the rectangle
+        /// </summary>
+        public int y;
+
+        /// <summary>
+        /// The color information at the point of x, y
+        /// </summary>
+        public ushort Red;
+
+        /// <summary>
+        /// The color information at the point of x, y
+        /// </summary>
+        public ushort Green;
+
+        /// <summary>
+        /// The color information at the point of x, y
+        /// </summary>
+        public ushort Blue;
+
+        /// <summary>
+        /// The color information at the point of x, y
+        /// </summary>
+        public ushort Alpha;
+    }
+}