MaterialSkin2Framework/DrawHelper.cs at main · DigitalAdeel/MaterialSkin2Framework · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
namespace MaterialSkin2Framework  {

    using System.Drawing;
    using System.Drawing.Drawing2D;

    /// <summary>
    /// Defines the <see cref="DrawHelper" />
    /// </summary>
    internal static class DrawHelper {

        /// <summary>
        /// The CreateRoundRect
        /// </summary>
        /// <param name="x">The x<see cref="float"/></param>
        /// <param name="y">The y<see cref="float"/></param>
        /// <param name="width">The width<see cref="float"/></param>
        /// <param name="height">The height<see cref="float"/></param>
        /// <param name="radius">The radius<see cref="float"/></param>
        /// <returns>The <see cref="GraphicsPath"/></returns>
        public static GraphicsPath CreateRoundRect(float x, float y, float width, float height, float radius) {
            var gp = new GraphicsPath();
            gp.AddArc(x + width - (radius * 2), y, radius * 2, radius * 2, 270, 90);
            gp.AddArc(x + width - (radius * 2), y + height - (radius * 2), radius * 2, radius * 2, 0, 90);
            gp.AddArc(x, y + height - (radius * 2), radius * 2, radius * 2, 90, 90);
            gp.AddArc(x, y, radius * 2, radius * 2, 180, 90);
            gp.CloseFigure();
            return gp;
        }

        /// <summary>
        /// The CreateRoundRect
        /// </summary>
        /// <param name="rect">The rect<see cref="Rectangle"/></param>
        /// <param name="radius">The radius<see cref="float"/></param>
        /// <returns>The <see cref="GraphicsPath"/></returns>
        public static GraphicsPath CreateRoundRect(Rectangle rect, float radius) {
            return CreateRoundRect(rect.X, rect.Y, rect.Width, rect.Height, radius);
        }

        /// <summary>
        /// The CreateRoundRect
        /// </summary>
        /// <param name="rect">The rect<see cref="RectangleF"/></param>
        /// <param name="radius">The radius<see cref="float"/></param>
        /// <returns>The <see cref="GraphicsPath"/></returns>
        public static GraphicsPath CreateRoundRect(RectangleF rect, float radius) {
            return CreateRoundRect(rect.X, rect.Y, rect.Width, rect.Height, radius);
        }

        /// <summary>
        /// The BlendColor
        /// </summary>
        /// <param name="backgroundColor">The backgroundColor<see cref="Color"/></param>
        /// <param name="frontColor">The frontColor<see cref="Color"/></param>
        /// <param name="blend">The blend<see cref="double"/></param>
        /// <returns>The <see cref="Color"/></returns>
        public static Color BlendColor(Color backgroundColor, Color frontColor, double blend) {
            var ratio = blend / 255d;
            var invRatio = 1d - ratio;
            var r = (int)((backgroundColor.R * invRatio) + (frontColor.R * ratio));
            var g = (int)((backgroundColor.G * invRatio) + (frontColor.G * ratio));
            var b = (int)((backgroundColor.B * invRatio) + (frontColor.B * ratio));
            return Color.FromArgb(r, g, b);
        }

        /// <summary>
        /// The BlendColor
        /// </summary>
        /// <param name="backgroundColor">The backgroundColor<see cref="Color"/></param>
        /// <param name="frontColor">The frontColor<see cref="Color"/></param>
        /// <returns>The <see cref="Color"/></returns>
        public static Color BlendColor(Color backgroundColor, Color frontColor) {
            return BlendColor(backgroundColor, frontColor, frontColor.A);
        }

        public static void DrawSquareShadow(Graphics g, Rectangle bounds) {
            using (SolidBrush shadowBrush = new SolidBrush(Color.FromArgb(12, 0, 0, 0))) {
                GraphicsPath path;
                path = DrawHelper.CreateRoundRect(new RectangleF(bounds.X - 3.5f, bounds.Y - 1.5f, bounds.Width + 6, bounds.Height + 6), 8);
                g.FillPath(shadowBrush, path);
                path = DrawHelper.CreateRoundRect(new RectangleF(bounds.X - 2.5f, bounds.Y - 1.5f, bounds.Width + 4, bounds.Height + 4), 6);
                g.FillPath(shadowBrush, path);
                path = DrawHelper.CreateRoundRect(new RectangleF(bounds.X - 1.5f, bounds.Y - 0.5f, bounds.Width + 2, bounds.Height + 2), 4);
                g.FillPath(shadowBrush, path);
                path = DrawHelper.CreateRoundRect(new RectangleF(bounds.X - 0.5f, bounds.Y + 1.5f, bounds.Width + 0, bounds.Height + 0), 4);
                g.FillPath(shadowBrush, path);
                path = DrawHelper.CreateRoundRect(new RectangleF(bounds.X - 0.5f, bounds.Y + 2.5f, bounds.Width + 0, bounds.Height + 0), 4);
                g.FillPath(shadowBrush, path);
                path.Dispose();
            }
        }

        public static void DrawRoundShadow(Graphics g, Rectangle bounds) {
            using (SolidBrush shadowBrush = new SolidBrush(Color.FromArgb(12, 0, 0, 0))) {
                g.FillEllipse(shadowBrush, new Rectangle(bounds.X - 2, bounds.Y - 1, bounds.Width + 4, bounds.Height + 6));
                g.FillEllipse(shadowBrush, new Rectangle(bounds.X - 1, bounds.Y - 1, bounds.Width + 2, bounds.Height + 4));
                g.FillEllipse(shadowBrush, new Rectangle(bounds.X - 0, bounds.Y - 0, bounds.Width + 0, bounds.Height + 2));
                g.FillEllipse(shadowBrush, new Rectangle(bounds.X - 0, bounds.Y + 2, bounds.Width + 0, bounds.Height + 0));
                g.FillEllipse(shadowBrush, new Rectangle(bounds.X - 0, bounds.Y + 1, bounds.Width + 0, bounds.Height + 0));
            }
        }
    }
}