图形图像处理

开发平台：
C#

frmMain.cs：源码内容
							﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Drawing.Imaging;
namespace MyImageManger
{
    public partial class frmMain : Form
    {
        //变量——用来存放图片的路径
        string filename;
        /// <summary>
        /// 构造函数
        /// </summary>
        public frmMain()
        {
            InitializeComponent();
            //加载皮肤_WindowsXP蓝色风格
            this.skinEngine1.SkinFile = "XPBlue.ssk";
        }
        /// <summary>
        /// 打开图片事件  Ctrl+O 快捷键
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
                //打开文件对话框
                OpenFileDialog file = new OpenFileDialog();
                //可选的类型
                file.Filter = "*.*|*.*|*.bmp|*.bmp|GIF files (*.GIF)|*.gif|JPG file(*.JPG)|*.JPG|Icon files(*.ico)|*.ico|Png files(*.png)|*.png";
                //如果用户点确定,则加载图片
                if (file.ShowDialog() == DialogResult.OK)
                {
                    //获取本文件夹下的所有图片
                    ImageManager.GetALLFile(file.FileName);
                    this.OpenFile(file.FileName);
                    
                }
            }
            catch
            {
                //如果触发异常捕获，那么肯定是格式不正确
                MessageBox.Show("您选择的格式此软件无法打开，请确定您所打开的是否为图片","错误提示",MessageBoxButtons.OK,MessageBoxIcon.Error);
            }
        }
        private void frmMain_Load(object sender, EventArgs e)
        {
        }
        /// <summary>
        /// 放大方法
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tsbtnBig_Click(object sender, EventArgs e)
        {
            this.Bigger();
            ImgLocation();
        }
        /// <summary>
        /// 缩小方法
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tsBtnSmall_Click(object sender, EventArgs e)
        {
            Smaller();
            ImgLocation();
        }
        /// <summary>
        /// 顺时针90旋转
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tsbtnRight_Click(object sender, EventArgs e)
        {
            ToRight();
            ImgLocation();
        }
        /// <summary>
        /// 逆时针90度旋转
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tsBtnLeft_Click(object sender, EventArgs e)
        {
            ToLeft();
            ImgLocation();
        }
        /// <summary>
        /// 删除方法
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void 删除ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //如果用户点击是，则删除
            if (MessageBox.Show("您是否在磁盘删除此图片", "确认", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
            {
                this.pictureBox1.Image = null;
                //从磁盘删除图片
                
                //删除文件
                ImageManager.imgFileList.Remove(filename);
                if (ImageManager.imgFileList.Count == 0)
                {
                    this.pictureBox1.Image = null;
                }
                else
                {
                    if (ImageManager.curImg == ImageManager.imgFileList.Count)
                    {
                        this.OpenFile(ImageManager.imgFileList[0]);
                        ImageManager.curImg = 0;
                    }
                }
                File.Delete(filename);
            }
        }
        /// <summary>
        /// 退出系统事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void 关闭ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (MessageBox.Show("您确认要退出吗？", "确认", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
            {
                this.pictureBox1.Image = null;
                Application.Exit();
            }
            
        }
        /// <summary>
        /// 另存为事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void 另存为ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //如果有图片
            if (pictureBox1.Image != null)
            {
                //截取原文件名
                string file = filename.Substring(filename.LastIndexOf("\")+1);
                //打开保存文件框
                SaveFileDialog _SaveFileDialog = new SaveFileDialog();
                _SaveFileDialog.Filter = "*.*|*.*|*.bmp|*.bmp|JPG file(*.JPG)|*.JPG|Icon files(*.ico)|*.ico";
                _SaveFileDialog.FileName = file;
                //如果用户选择是
                if (_SaveFileDialog.ShowDialog() == DialogResult.OK)
                {
                    //往磁盘存放
                    pictureBox1.Image.Save(_SaveFileDialog.FileName, ImageFormat.Jpeg);
                }
            } 
        }
        /// <summary>
        /// 放大事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void 放大ToolStripMenuItem_Click(object sender, EventArgs e)
        {
           
            this.Bigger();
            ImgLocation();
        }
        /// <summary>
        /// 缩小事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void 缩小ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Smaller();
            ImgLocation();
        }
        /// <summary>
        /// 顺时针旋转90度
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void 顺时针旋转ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.ToRight();
            ImgLocation();
        }
        /// <summary>
        /// 逆时针旋转90度
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void 逆时针旋转ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.ToLeft();
            ImgLocation();
        }
        /// <summary>
        /// 加载图片
        /// </summary>
        /// <param name="filepath"></param>
        private void OpenFile(string filepath)
        {
            try
            {
                //加载图片
                //this.pictureBox1.Image = Image.FromFile(filepath);
                //this.pictureBox1.Load(filepath);
                //FileStream fs = new FileStream(filepath, FileMode.Open, FileAccess.Read);
                //BinaryReader br = new BinaryReader(fs);
                //byte[] buffer = new byte[1024];
                //System.Reflection.Assembly thisExe;
                //thisExe = System.Reflection.Assembly.GetExecutingAssembly();
                //System.IO.Stream fs = thisExe.GetManifestResourceStream("MyImageManger."+filepath);
                //this.pictureBox1.Image = Image.FromStream(fs);
                FileStream fs = File.Open(filepath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
                this.pictureBox1.Image = Image.FromStream(fs, false, true);
                fs.Close();
                //存储图片名
                filename = filepath;
                //操作PictureBox的位置
                ImgLocation();
            }
            catch
            {
                //删除文件
                ImageManager.imgFileList.Remove(filename);
                if (ImageManager.imgFileList.Count == 0)
                {
                    this.pictureBox1.Image = null;
                }
                else
                {
                    if (ImageManager.curImg == ImageManager.imgFileList.Count)
                    {
                        this.OpenFile(ImageManager.imgFileList[0]);
                        ImageManager.curImg = 0;
                    }
                }
            }
                if (ImageManager.imgFileList.Count > 0)
                {
                    this.tsBtnNext.Enabled = true;
                    this.tsBtnPre.Enabled = true;
                }
           
        }
        /// <summary>
        /// 放大方法
        /// </summary>
        private void Bigger()
        {
            if (this.pictureBox1.Image != null)
            {
                Bitmap bitmap = new Bitmap(this.pictureBox1.Image);
                this.pictureBox1.Image = ImageManager.KiResizeImage(bitmap, Convert.ToInt32(bitmap.Width * 110 / 100), Convert.ToInt32(bitmap.Height * 110 / 100), 0);
            }
            else
            {
                MessageBox.Show("请打开一张图片", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }
        /// <summary>
        /// 缩小方法
        /// </summary>
        private void Smaller()
        {
            if (this.pictureBox1.Image != null)
            {
                Bitmap bitmap = new Bitmap(this.pictureBox1.Image);
                this.pictureBox1.Image = ImageManager.KiResizeImage(bitmap, Convert.ToInt32(bitmap.Width * 90 / 100), Convert.ToInt32(bitmap.Height * 90 / 100), 0);
            }
            else
            {
                MessageBox.Show("请打开一张图片", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }
        /// <summary>
        /// 顺时针旋转90度方法
        /// </summary>
        private void ToRight()
        {
            //如果有图片
            if (this.pictureBox1.Image != null)
            {
                Bitmap bitmap = new Bitmap(this.pictureBox1.Image);//获取PictrueBox的图片
                this.pictureBox1.Image = ImageManager.KiRotate(bitmap, 90, Color.Transparent);//旋转90度
            }
            else//如果无图片
            {
                MessageBox.Show("请打开一张图片", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }
        /// <summary>
        /// 逆时针旋转90度方法
        /// </summary>
        private void ToLeft()
        {
            if (this.pictureBox1.Image != null)
            {
                Bitmap bitmap = new Bitmap(this.pictureBox1.Image);
                this.pictureBox1.Image = ImageManager.KiRotate(bitmap, -90, Color.Transparent);
            }
            else
            {
                MessageBox.Show("请打开一张图片", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }
        /// <summary>
        /// PictureBox位置-保持在中央
        /// </summary>
        private void ImgLocation()
        {
            if (this.pictureBox1.Image != null)
            {
                Point p = new Point((this.pnlMain.Width - this.pictureBox1.Width) / 2,(this.pnlMain.Height - this.pictureBox1.Height) / 2);
                this.pictureBox1.Location = p;
                 
            }
        }
        /// <summary>
        /// 窗口大小变化的事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void frmMain_Resize(object sender, EventArgs e)
        {
            ImgLocation();
        }
        /// <summary>
        /// 上一张
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tsBtnPre_Click(object sender, EventArgs e)
        {
            if (ImageManager.curImg == 0)
            {
                this.OpenFile(ImageManager.imgFileList[ImageManager.imgFileList.Count - 1]);
                ImageManager.curImg = ImageManager.imgFileList.Count - 1;
            }
            else
            {
                this.OpenFile(ImageManager.imgFileList[ImageManager.curImg - 1]);
                ImageManager.curImg -= 1;
            }
        }
        /// <summary>
        /// 下一张
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tsBtnNext_Click(object sender, EventArgs e)
        {
            if (ImageManager.imgFileList.Count > ImageManager.curImg + 1)
            {
                this.OpenFile(ImageManager.imgFileList[ImageManager.curImg + 1]);
                ImageManager.curImg += 1;
            }
            else
            {
                this.OpenFile(ImageManager.imgFileList[0]);
                ImageManager.curImg= 0;
            }
        }
    }
}

						