滚动图片框

时间:2019-04-04 08:53:59

标签: image for-loop scroll box

我要为picturebox1创建滚动!我不明白,但是我在picturebox1中有一个放大的矩形(其中有放大的图像),我想放大整个照片,而不仅仅是这个片段。 (滚动浏览照片)。预先谢谢你))

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.IO;
using System.Windows.Forms;



namespace ZOS_LAB1_UNIVER
{
    public partial class Form1 : Form
    {
        public double koef = 1;
        public int w1, h1, w_temp, h_temp;
        public Form1()
        {
            InitializeComponent();
        }



        private void pictureBox1_Paint(object sender, PaintEventArgs e)
        {
            Image img = new Bitmap(openFileDialog1.FileName);
            int width = img.Width;
            int height = img.Height;


            e.Graphics.InterpolationMode = InterpolationMode.Bilinear;
            e.Graphics.DrawImage(img, new Rectangle(0, 0, w1, h1), 0, 0, width, height, GraphicsUnit.Pixel);






        }




        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void button2_Click(object sender, EventArgs e)
        {
            pictureBox2.Hide();
            pictureBox1.Show();

        }

        private void button3_Click(object sender, EventArgs e)
        {
            pictureBox1.Show();
            pictureBox2.Hide();


        }
       #region koef






        private void button1_Click_1(object sender, EventArgs e)
        {
            openFileDialog1.Filter = "BMP Picture |*.bmp";
            openFileDialog1.ShowDialog();
            pictureBox1.Hide();
            pictureBox2.Hide();


            pictureBox1.Paint += new PaintEventHandler(this.pictureBox1_Paint);
            pictureBox1.Refresh();
            Image img2 = new Bitmap(openFileDialog1.FileName);
            pictureBox2.Image = img2;

            w_temp = img2.Width;
            h_temp = img2.Height;

        }

        private void button3_Click_1(object sender, EventArgs e)
        {
            pictureBox1.Show();
            pictureBox2.Hide();


        }

        private void pictureBox1_Click(object sender, EventArgs e)
        {
            /*openFileDialog1.Filter = "BMP Picture |*.bmp";
            openFileDialog1.ShowDialog();
            pictureBox1.Hide();
            pictureBox2.Hide();


            pictureBox1.Paint += new PaintEventHandler(this.pictureBox1_Paint);
            pictureBox1.Refresh();
            Image img2 = new Bitmap(openFileDialog1.FileName);
            pictureBox2.Image = img2;

            w_temp = img2.Width;
            h_temp = img2.Height;*/
        }

        private void button2_Click_1(object sender, EventArgs e)
        {
            pictureBox2.Show();
            pictureBox1.Hide();  


        }

        private void pictureBox2_Click(object sender, EventArgs e)
        {

        }

        private void button4_Click_1(object sender, EventArgs e)
        {
            koef = 1.2;
            w1 = w_temp * Convert.ToInt16(koef);
            h1 = h_temp * Convert.ToInt16(koef);


        }

        private void button5_Click_1(object sender, EventArgs e)
        {
            koef = 3;
            w1 = w_temp * Convert.ToInt16(koef);
            h1 = h_temp * Convert.ToInt16(koef);

        }

        private void button6_Click_1(object sender, EventArgs e)
        {
            koef = 7;
            w1 = w_temp * Convert.ToInt16(koef);
            h1 = h_temp * Convert.ToInt16(koef);

        }

        private void button7_Click_1(object sender, EventArgs e)
        {
            koef = 21;
            w1 = w_temp * Convert.ToInt16(koef);
            h1 = h_temp * Convert.ToInt16(koef);

        }

        private void pictureBox2_Click_1(object sender, EventArgs e)
        {

        }

        private void button9_Click_1(object sender, EventArgs e)
        {
            koef = 3;
            w1 = w_temp / Convert.ToInt16(koef);
            h1 = h_temp / Convert.ToInt16(koef);

        }

        private void button8_Click_1(object sender, EventArgs e)
        {
            koef = 1.2;
            w1 = w_temp / Convert.ToInt16(koef);
            h1 = h_temp / Convert.ToInt16(koef);

        }

        private void button10_Click_1(object sender, EventArgs e)
        {
            koef = 7;
            w1 = w_temp / Convert.ToInt16(koef);
            h1 = h_temp / Convert.ToInt16(koef);

        }

        private void button11_Click_1(object sender, EventArgs e)
        {
            koef = 21;
            w1 = w_temp / Convert.ToInt16(koef);
            h1 = h_temp / Convert.ToInt16(koef);

        }
       #endregion

        private void fontDialog1_Apply(object sender, EventArgs e)
        {
                    }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }

        private void rectangleShape1_Click(object sender, EventArgs e)
        {

        }

        private void label2_Click(object sender, EventArgs e)
        {

        }

        private void vScrollBar1_Scroll(object sender, ScrollEventArgs e)
        {

        }

        private void pictureBox1_Click_1(object sender, EventArgs e)
        {

        }

        private void panel1_Paint(object sender, PaintEventArgs e)
        {

        }

        private void pictureBox1_Click_2(object sender, EventArgs e)
        {

        }

        private void openFileDialog1_FileOk(object sender, System.ComponentModel.CancelEventArgs e)
        {

        }

        private void flowLayoutPanel1_Paint(object sender, PaintEventArgs e)
        {

        }



    }
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0 个答案:

没有答案