วันเสาร์ที่ 10 สิงหาคม พ.ศ. 2556

LAB20
การโหลดภาพเพื่อแสดงลง Form

namespace teynakopha
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Paint(object sender, PaintEventArgs e)
        {
            Bitmap bmp = new Bitmap("d:\\ปี 3 2556\\tey1.jpg");
            this.SetClientSizeCore(bmp.Width + 20, bmp.Height + 20);
            e.Graphics.DrawImage(bmp, 10, 10);
        }
    }
}


การ Zoom in

namespace teynakopha
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Paint(object sender, PaintEventArgs e)
        {
            Bitmap bmp = new Bitmap("d:\\ปี 3 2556\\tey1.jpg");
            Rectangle destrect = new Rectangle(10, 10, bmp.Width / 2, bmp.Height / 2);
            Rectangle srcrect = new Rectangle(0, 0, bmp.Width, bmp.Height);
            this.SetClientSizeCore(destrect.Width + 20, destrect.Height + 20);
            e.Graphics.DrawImage(bmp, destrect, srcrect, GraphicsUnit.Pixel);
        }
    }
}


การ Zoom out
namespace teynakopha
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Paint(object sender, PaintEventArgs e)
        {
            Bitmap bmp = new Bitmap("d:\\ปี 3 2556\\tey1.jpg");
            Rectangle destrect = new Rectangle(10, 10, bmp.Width , bmp.Height );
            Rectangle srcrect = new Rectangle(0, 0, bmp.Width/2, bmp.Height/2);
            this.SetClientSizeCore(destrect.Width + 20, destrect.Height + 20);
            e.Graphics.DrawImage(bmp, destrect, srcrect, GraphicsUnit.Pixel);
        }
    }
}

การพลิกและการหมุนภาพ
namespace teynakopha
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Paint(object sender, PaintEventArgs e)
        {
            Bitmap bmp = new Bitmap("d:\\ปี 3 2556\\tey1.jpg");
            this.SetClientSizeCore(bmp.Width, bmp.Height);
            Rectangle topleft = new Rectangle(0, 0, bmp.Width / 2, bmp.Height / 2);
            Rectangle topright = new Rectangle(bmp.Width / 2, 0, bmp.Width / 2, bmp.Height / 2);
            Rectangle bottomleft = new Rectangle(0, bmp.Height / 2, bmp.Width / 2, bmp.Height / 2);

            Rectangle bottomright = new Rectangle(bmp.Width / 2, bmp.Height / 2, bmp.Width / 2, bmp.Height / 2);

            bmp.RotateFlip(RotateFlipType.RotateNoneFlipNone);
            e.Graphics.DrawImage(bmp, topleft);
            bmp.RotateFlip(RotateFlipType.RotateNoneFlipX);

            e.Graphics.DrawImage(bmp, topright);
            bmp.RotateFlip(RotateFlipType.Rotate180FlipNone);

            e.Graphics.DrawImage(bmp, bottomleft);
            bmp.RotateFlip(RotateFlipType.Rotate180FlipY);
            e.Graphics.DrawImage(bmp, bottomright);
        }
    }
}

การเขียนข้อความลงในภาพ

namespace teynakopha
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Paint(object sender, PaintEventArgs e)
        {
            Bitmap bmp = new Bitmap("d:\\ปี 3 2556\\tey1.jpg");
            this.SetClientSizeCore(bmp.Width, bmp.Height);
            Rectangle destrect = new Rectangle(0, 0, bmp.Width, bmp.Height);
            Brush myBrush = new SolidBrush(Color.Coral);
            e.Graphics.DrawImage(bmp, destrect);
            e.Graphics.DrawString("TEYNAKOPHA",
            new Font("Verdana", 70, FontStyle.Regular), myBrush, 0, 0);

        }
    }
}








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