GDI+入门（二）画刷的使用

二、画刷的使用

using System.Drawing;

using System.Drawing.Drawing2D;

using System.Drawing.Imaging;

 

     public Form1()

        {

            InitializeComponent();

            comboBox1.SelectedIndex = 0;

        }

 

        private void button1_Click(object sender, EventArgs e)

        {

            Bitmap bp = new Bitmap("1.jpg");

            TextureBrush tb = new TextureBrush(bp);

            Graphics g = this.CreateGraphics();

            g.FillRectangle(tb, this.ClientRectangle);

            bp.Dispose();

            tb.Dispose();

            g.Dispose();

        }

 

        private void button2_Click(object sender, EventArgs e)

        {

            Bitmap bp = new Bitmap("1.jpg");

            TextureBrush tb = new TextureBrush(bp, new Rectangle(0, 0, 100, 100));

            Graphics g = this.CreateGraphics();

            switch (comboBox1.SelectedItem.ToString().Trim())

            {

                case "Clamp":

                    tb.WrapMode = WrapMode.Clamp;

                    g.FillRectangle(tb, this.ClientRectangle);

                    bp.Dispose();

                    tb.Dispose();

                    g.Dispose();

                    break;

                case "Tile":

                    tb.WrapMode = WrapMode.Tile;

                    g.FillRectangle(tb, this.ClientRectangle);

                    bp.Dispose();

                    tb.Dispose();

                    g.Dispose();

                    break;

                case "TileFlipX":

                    tb.WrapMode = WrapMode.TileFlipX;

                    g.FillRectangle(tb, this.ClientRectangle);

                    bp.Dispose();

                    tb.Dispose();

                    g.Dispose();

                    break;

                case "TileFlipXY":

                    tb.WrapMode = WrapMode.TileFlipXY;

                    g.FillRectangle(tb, this.ClientRectangle);

                    bp.Dispose();

                    t