抽空写了一个ICON图标的转换程序

抽空写了一个ICON图标的转换程序&＃xff0c;支持png\jpe\bmp格式到ico的转换。具体的程序就在下面&＃xff0c;如果看的人多&＃xff0c;过两天再把思路写一下。废话不说&＃xff0c;见代码。

                                      

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;

namespace IconMaker
{
    public partial class Form1 : Form
    {
        Bitmap srcBitmap &＃61; null;//用于保存原图
        Size size;//用于保存目标图标的大小

        public Form1()
        {
            InitializeComponent();
        }

        ///

        /// 选择源文件
        ///

        ///
        ///
        private void browseBtn_Click(object sender, EventArgs e)
        {
            OpenFileDialog dlg &＃61; new OpenFileDialog();

            dlg.Filter &＃61; "图片(*.jpg,*.png,*.bmp)|*.jpg;*.png;*.bmp";//筛选文件格式
            dlg.ValidateNames &＃61; true;//文件有效性验证ValidateNames&＃xff0c;验证用户输入是否是一个有效的Windows文件名
            dlg.CheckFileExists &＃61; true;///验证文件有效性
            dlg.CheckPathExists &＃61; true;//验证路径有效性

            if (dlg.ShowDialog() &＃61;&＃61; DialogResult.OK)
            {
                pathTb.Text &＃61; dlg.FileName;
                srcBitmap &＃61; new Bitmap(dlg.FileName);

                this.srcPanel.Refresh();
            }
        }

        ///

        /// 禁止用户在此TextBox中输入
        ///

        ///
        ///
        private void textBox_KeyPress(object sender, KeyPressEventArgs e)
        {
            //禁止用户输入
            e.Handled &＃61; true;
        }

        ///

        /// 绘制原图
        ///

        ///
        ///
        private void srcPanel_Paint(object sender, PaintEventArgs e)
        {
            if (srcBitmap !&＃61; null)
            {
                Graphics g &＃61; e.Graphics;

                //原图的绘制区域
                Rectangle rect &＃61; new Rectangle(0, 0, this.srcPanel.Width, this.srcPanel.Height);
                //在规定区域缩放绘制原图
                g.DrawImage(srcBitmap, rect);
            }
        }

        ///

        /// 实现bitmap到ico的转换
        ///

        /// 原图
        /// 转换后的指定大小的图标
        private Icon ConvertBitmap2Ico(Bitmap bitmap)
        {
            Bitmap icoBitmap &＃61; new Bitmap(bitmap, size);//创建制定大小的原位图

            //获得原位图的图标句柄
            IntPtr hIco &＃61; icoBitmap.GetHicon();
            //从图标的指定WINDOWS句柄创建Icon
            Icon icon &＃61; Icon.FromHandle(hIco);

            return icon;
        }

        ///

        /// 生成并保存图标
        ///

        ///
        ///
        private void makeBtn_Click(object sender, EventArgs e)
        {
            if (pathTb.Text !&＃61; "" && sizeComb.Text !&＃61; "")
            {
                SaveFileDialog dlg &＃61; new SaveFileDialog();
                dlg.Filter &＃61; "图标(*.ico)|*.ico";
                dlg.CheckPathExists &＃61; true;
                if (dlg.ShowDialog() &＃61;&＃61; DialogResult.OK)
                {
                    FileStream fs &＃61; new FileStream(dlg.FileName, FileMode.Create);

                    Icon icon &＃61; ConvertBitmap2Ico(srcBitmap);

                    this.Icon &＃61; icon;

                    icon.Save(fs);//将Icon保存的指定的输出
                    fs.Close();
                }
            }
        }

        ///

        /// 选择目标图标的大小
        ///

        ///
        ///
        private void sizeComb_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (sizeComb.SelectedIndex &＃61;&＃61; 0)
            {
                size &＃61; new Size(16, 16);
            }
            else if (sizeComb.SelectedIndex &＃61;&＃61; 1)
            {
                size &＃61; new Size(32, 32);
            }
            else
            {
                size &＃61; new Size(48, 48);
            }
        }
    }
}

            文件下载&＃xff1a;       Icon转换