using System;
using System.Drawing;
using System.Windows.Forms;
using System.Drawing.Imaging;
using System.IO;

namespace PhotoEditor
{
    public partial class Form1 : Form
    {
        Bitmap bmp = null;


        public Form1()
        {
            InitializeComponent();
        }

        System.Drawing.Image file;
        Boolean opened = false;


        private void button1_Click(object sender, EventArgs e)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            if (ofd.ShowDialog().Equals(DialogResult.OK))
            {
                string fname = ofd.FileName;

                bmp = (Bitmap)Bitmap.FromFile(fname);
                Bitmap b2 = new Bitmap(bmp, pictureBox1.Size);
                pictureBox1.Image = b2;
            }
        }

        private void trackBar1_Scroll(object sender, EventArgs e)
        {
            float changeb = trackBar1.Value * 0.1f;

            trackBar1.Text = changeb.ToString();

            System.Drawing.Image img = pictureBox1.Image;                             // storing image into img variable of image type from picturebox1
            Bitmap bmpInverted = new Bitmap(img.Width, img.Height);   /* creating a bitmap of the height of imported picture in picturebox which consists of the pixel data for a graphics image
                                                                        and its attributes. A Bitmap is an object used to work with images defined by pixel data.*/

            ImageAttributes ia = new ImageAttributes();                 //creating an object of imageattribute ia to change the attribute of images
            ColorMatrix cmPicture = new ColorMatrix(new float[][]       // now creating the color matrix object to change the colors or apply  image filter on image
            {
                    new float[]{1, 0, 0, 0, 0},
                    new float[]{0, 1, 0, 0, 0},
                    new float[]{0, 0, 1, 0, 0},
                    new float[]{0, 0, 0,  1, 0},
                    new float[]{0+changeb, 0+changeb, 0+changeb, 0, 1}
            });
            ia.SetColorMatrix(cmPicture);           //pass the color matrix to imageattribute object ia
            Graphics g = Graphics.FromImage(bmpInverted);   /*create a new object of graphics named g, ; Create graphics object for alteration.
                                                            Graphics newGraphics = Graphics.FromImage(imageFile); is the format of loading image into graphics for alteration*/

            g.DrawImage(img, new Rectangle(0, 0, img.Width, img.Height), 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, ia);


            /*   g.drawimage(image, new rectangle(location of rectangle axix-x, location axis-y, width of rectangle, height of rectangle),
           location of image in rectangle x-axis, location of image in rectangle y-axis, width of image, height of image,
           format of graphics unit,provide the image attributes   */


            g.Dispose();                            //Releases all resources used by this Graphics.
            pictureBox1.Image = bmpInverted;


        }

        private void pictureBox1_Click(object sender, EventArgs e)
        {

        }

        private void button2_Click(object sender, EventArgs e)
        {
            Image img = pictureBox1.Image;                             // storing image into img variable of image type from picturebox1
            Bitmap bmpInverted = new Bitmap(img.Width, img.Height);   /* creating a bitmap of the height of imported picture in picturebox which consists of the pixel data for a graphics image
                                                                        and its attributes. A Bitmap is an object used to work with images defined by pixel data.*/

            ImageAttributes ia = new ImageAttributes();                 //creating an object of imageattribute ia to change the attribute of images
            ColorMatrix cmPicture = new ColorMatrix(new float[][]       // now creating the color matrix object to change the colors or apply  image filter on image
            {
                    new float[]{0.393f, 0.349f, 0.272f, 0, 0},
                    new float[]{0.769f, 0.686f, 0.534f, 0, 0},
                    new float[]{.189f, .168f, .131f, 0, 0},
                    new float[]{0, 0, 0, 1, 0},
                    new float[]{0, 0, 0, 0, 1}
            });
            ia.SetColorMatrix(cmPicture);           //pass the color matrix to imageattribute object ia
            Graphics g = Graphics.FromImage(bmpInverted);   /*create a new object of graphics named g, ; Create graphics object for alteration.
                                                            Graphics newGraphics = Graphics.FromImage(imageFile); is the format of loading image into graphics for alteration*/

            g.DrawImage(img, new Rectangle(0, 0, img.Width, img.Height), 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, ia);


            /*   g.drawimage(image, new rectangle(location of rectangle axix-x, location axis-y, width of rectangle, height of rectangle),
           location of image in rectangle x-axis, location of image in rectangle y-axis, width of image, height of image,
           format of graphics unit,provide the image attributes   */


            g.Dispose();                            //Releases all resources used by this Graphics.
            pictureBox1.Image = bmpInverted;

        }

        private void button3_Click(object sender, EventArgs e)
        {
            System.Drawing.Image img = pictureBox1.Image;                             // storing image into img variable of image type from picturebox1
            Bitmap bmpInverted = new Bitmap(img.Width, img.Height);   /* creating a bitmap of the height of imported picture in picturebox which consists of the pixel data for a graphics image
                                                                        and its attributes. A Bitmap is an object used to work with images defined by pixel data.*/

            ImageAttributes ia = new ImageAttributes();                 //creating an object of imageattribute ia to change the attribute of images
            ColorMatrix cmPicture = new ColorMatrix(new float[][]       // now creating the color matrix object to change the colors or apply  image filter on image
            {
                    new float[]{1.5f, 1.5f, 1.5f, 0, 0},
                    new float[]{1.5f, 1.5f, 1.5f, 0, 0},
                    new float[]{1.5f, 1.5f, 1.5f, 0, 0},
                    new float[]{0, 0, 0, 1, 0},
                    new float[]{-1, -1, -1, 0, 1}
            });
            ia.SetColorMatrix(cmPicture);           //pass the color matrix to imageattribute object ia
            Graphics g = Graphics.FromImage(bmpInverted);   /*create a new object of graphics named g, ; Create graphics object for alteration.
                                                            Graphics newGraphics = Graphics.FromImage(imageFile); is the format of loading image into graphics for alteration*/

            g.DrawImage(img, new Rectangle(0, 0, img.Width, img.Height), 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, ia);


            /*   g.drawimage(image, new rectangle(location of rectangle axix-x, location axis-y, width of rectangle, height of rectangle),
           location of image in rectangle x-axis, location of image in rectangle y-axis, width of image, height of image,
           format of graphics unit,provide the image attributes   */


            g.Dispose();                            //Releases all resources used by this Graphics.
            pictureBox1.Image = bmpInverted;

        }

        private void trackBar2_Scroll(object sender, EventArgs e)
        {

            float changec = trackBar2.Value * 0.1f;

            float t = 0;

            trackBar2.Text = changec.ToString();

            System.Drawing.Image img = pictureBox1.Image;                             // storing image into img variable of image type from picturebox1
            Bitmap bmpInverted = new Bitmap(img.Width, img.Height);   /* creating a bitmap of the height of imported picture in picturebox which consists of the pixel data for a graphics image
                                                                        and its attributes. A Bitmap is an object used to work with images defined by pixel data.*/

            ImageAttributes ia = new ImageAttributes();                 //creating an object of imageattribute ia to change the attribute of images
            ColorMatrix cmPicture = new ColorMatrix(new float[][]       // now creating the color matrix object to change the colors or apply  image filter on image
            {
                    new float[]{1+changec, 0, 0, 0, 0},
                    new float[]{0, 1+changec, 0, 0, 0},
                    new float[]{0, 0, 1+changec, 0, 0},
                    new float[]{0, 0, 0, 1, 0},
                    new float[]{t, t, t, 0, 1}
            });

            if (changec == 0)
                t = (1f - changec) / 2f;

            ia.SetColorMatrix(cmPicture);           //pass the color matrix to imageattribute object ia
            Graphics g = Graphics.FromImage(bmpInverted);   /*create a new object of graphics named g, ; Create graphics object for alteration.
                                                            Graphics newGraphics = Graphics.FromImage(imageFile); is the format of loading image into graphics for alteration*/

            g.DrawImage(img, new Rectangle(0, 0, img.Width, img.Height), 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, ia);


            /*   g.drawimage(image, new rectangle(location of rectangle axix-x, location axis-y, width of rectangle, height of rectangle),
           location of image in rectangle x-axis, location of image in rectangle y-axis, width of image, height of image,
           format of graphics unit,provide the image attributes   */


            g.Dispose();                            //Releases all resources used by this Graphics.
            pictureBox1.Image = bmpInverted;


        }

        private void button4_Click(object sender, EventArgs e)
        {

        }

        private void button5_Click(object sender, EventArgs e)
        {
            System.Drawing.Image img = pictureBox1.Image;                             // storing image into img variable of image type from picturebox1
            Bitmap bmpInverted = new Bitmap(img.Width, img.Height);   /* creating a bitmap of the height of imported picture in picturebox which consists of the pixel data for a graphics image
                                                                        and its attributes. A Bitmap is an object used to work with images defined by pixel data.*/

            ImageAttributes ia = new ImageAttributes();                 //creating an object of imageattribute ia to change the attribute of images
            ColorMatrix cmPicture = new ColorMatrix(new float[][]       // now creating the color matrix object to change the colors or apply  image filter on image
            {
                    new float[]{-1, 0, 0, 0, 1.00f},
                    new float[]{0, -1, 0, 0, 1.00f},
                    new float[]{0, 0, -1, 0, 1.00f},
                    new float[]{0, 0, 0, 1, 0},
                    new float[]{1, 1, 1, 0, 1}
            });
            ia.SetColorMatrix(cmPicture);           //pass the color matrix to imageattribute object ia
            Graphics g = Graphics.FromImage(bmpInverted);   /*create a new object of graphics named g, ; Create graphics object for alteration.
                                                            Graphics newGraphics = Graphics.FromImage(imageFile); is the format of loading image into graphics for alteration*/

            g.DrawImage(img, new Rectangle(0, 0, img.Width, img.Height), 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, ia);


            /*   g.drawimage(image, new rectangle(location of rectangle axix-x, location axis-y, width of rectangle, height of rectangle),
           location of image in rectangle x-axis, location of image in rectangle y-axis, width of image, height of image,
           format of graphics unit,provide the image attributes   */


            g.Dispose();                            //Releases all resources used by this Graphics.
            pictureBox1.Image = bmpInverted;
        }

        private void button6_Click(object sender, EventArgs e)
        {
            SaveFileDialog sfd = new SaveFileDialog();

            sfd.Filter = "Images|*.png;*.bmp;*.jpg";
            ImageFormat format = ImageFormat.Png;

            if (sfd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                string ext = Path.GetExtension(sfd.FileName);

                switch (ext)
                {
                    case ".jpg":
                        format = ImageFormat.Jpeg;
                        break;

                    case ".bmp":
                        format = ImageFormat.Bmp;
                        break;
                }

                pictureBox1.Image.Save(sfd.FileName, format);
            }
        }

        private void button7_Click(object sender, EventArgs e)
        {
            System.Drawing.Image img = pictureBox1.Image;                             // storing image into img variable of image type from picturebox1
            Bitmap bmpInverted = new Bitmap(img.Width, img.Height);   /* creating a bitmap of the height of imported picture in picturebox which consists of the pixel data for a graphics image
                                                                        and its attributes. A Bitmap is an object used to work with images defined by pixel data.*/

            ImageAttributes ia = new ImageAttributes();                 //creating an object of imageattribute ia to change the attribute of images
            ColorMatrix cmPicture = new ColorMatrix(new float[][]       // now creating the color matrix object to change the colors or apply  image filter on image
            {
                    new float[]{1.438f, -0.062f, -0.062f, 0, 0},
                    new float[]{-0.122f, 1.378f, -0.122f, 0, 0},
                    new float[]{-0.016f, -0.016f, 1.483f, 0, 0},
                    new float[]{0, 0, 0, 1, 0},
                    new float[]{-0.03f, 0.05f, -0.02f, 0, 1}
            });
            ia.SetColorMatrix(cmPicture);           //pass the color matrix to imageattribute object ia
            Graphics g = Graphics.FromImage(bmpInverted);   /*create a new object of graphics named g, ; Create graphics object for alteration.
                                                            Graphics newGraphics = Graphics.FromImage(imageFile); is the format of loading image into graphics for alteration*/

            g.DrawImage(img, new Rectangle(0, 0, img.Width, img.Height), 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, ia);


            /*   g.drawimage(image, new rectangle(location of rectangle axix-x, location axis-y, width of rectangle, height of rectangle),
           location of image in rectangle x-axis, location of image in rectangle y-axis, width of image, height of image,
           format of graphics unit,provide the image attributes   */


            g.Dispose();                            //Releases all resources used by this Graphics.
            pictureBox1.Image = bmpInverted;
        }

        private void button8_Click(object sender, EventArgs e)
        {
            System.Drawing.Image img = pictureBox1.Image;                             // storing image into img variable of image type from picturebox1
            Bitmap bmpInverted = new Bitmap(img.Width, img.Height);   /* creating a bitmap of the height of imported picture in picturebox which consists of the pixel data for a graphics image
                                                                        and its attributes. A Bitmap is an object used to work with images defined by pixel data.*/

            ImageAttributes ia = new ImageAttributes();                 //creating an object of imageattribute ia to change the attribute of images
            ColorMatrix cmPicture = new ColorMatrix(new float[][]       // now creating the color matrix object to change the colors or apply  image filter on image
            {
                    new float[]{1, 4, 7, 4, 1},
                    new float[]{4, 16, 26, 16, 4},
                    new float[]{7, 26, 41, 26, 7},
                    new float[]{4, 26, 16, 26, 4},
                    new float[]{1, 4, 7, 4, 1}
            });
            ia.SetColorMatrix(cmPicture);           //pass the color matrix to imageattribute object ia
            Graphics g = Graphics.FromImage(bmpInverted);   /*create a new object of graphics named g, ; Create graphics object for alteration.
                                                            Graphics newGraphics = Graphics.FromImage(imageFile); is the format of loading image into graphics for alteration*/

            g.DrawImage(img, new Rectangle(0, 0, img.Width, img.Height), 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, ia);


            /*   g.drawimage(image, new rectangle(location of rectangle axix-x, location axis-y, width of rectangle, height of rectangle),
           location of image in rectangle x-axis, location of image in rectangle y-axis, width of image, height of image,
           format of graphics unit,provide the image attributes   */


            g.Dispose();                          //Releases all resources used by this Graphics.
            pictureBox1.Image = bmpInverted;
        }
    }
}