mainform.cs

可以方便的给PSP制作壁纸的软件 使用C#制作 需要FRAMWORK的支持

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Drawing.Imaging;

namespace Psp_wallpaper_mini
{
    public partial class mainForm : Form
    {
        public mainForm()
        {
            InitializeComponent();
        }
        private void ExitButton_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }        
        ////移动窗体
        Point mouse_offset=new Point();
        public void moveForm(object sender,MouseEventArgs e)
        {
            Point MousePos = new Point();
            MousePos = mainForm.MousePosition;
            MousePos.Offset(-mouse_offset.X, -mouse_offset.Y);
            this .Location = MousePos;
        }
        private void toolStrip1_MouseDown(object sender, MouseEventArgs e)
        {
            mouse_offset = new Point(e.X, e.Y);
        }
        private void mainForm_MouseDown(object sender, MouseEventArgs e)
        {
            mouse_offset = new Point(e.X, e.Y);
        }
        private void mainForm_MouseMove_1(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left || e.Button == MouseButtons.Right)
            {
               moveForm(sender, e);
            } 
        }
        private void toolStrip1_MouseMove_1(object sender, MouseEventArgs e)
        {           
            if (e.Button == MouseButtons.Left || e.Button == MouseButtons.Right)
            {
               moveForm(sender, e);
            }  
        }
        //截屏
        [StructLayout(LayoutKind.Sequential)]
        public struct RECT
        {
            public int left;
            public int top;
            public int right;
            public int bottom;
        }
        public class API
        {
            [DllImport("user32.dll")]
            public static extern bool GetCursorPos(ref Point lpPoint);
            [DllImport("user32.dll")]
            public static extern int WindowFromPoint(Point lpPoint);
            [DllImport("user32.dll")]
            public static extern IntPtr GetDesktopWindow();
            [DllImport("user32.dll")]
            public static extern int GetForegroundWindow();
            [DllImport("user32.dll")]
            public static extern int GetWindowRect(IntPtr hwnd, ref RECT rc);
            [DllImport("user32.dll")]
            public static extern int GetWindowDC(int hwnd);
            [DllImport("Gdi32.dll")]
            public static extern bool BitBlt(
                    IntPtr hdcDest,   //   目标设备的句柄
                    int nXDest,   //   目标对象的左上角的X坐标
                    int nYDest,   //   目标对象的左上角的X坐标
                    int nWidth,   //   目标对象的矩形的宽度
                    int nHeight,   //   目标对象的矩形的长度
                    IntPtr hdcSrc,   //   源设备的句柄
                    int nXSrc,   //   源对象的左上角的X坐标
                    int nYSrc,   //   源对象的左上角的X坐标
                    System.Int32 dwRop   //   光栅的操作值
                    );
            [DllImportAttribute("gdi32.dll")]
            public static extern IntPtr CreateDC(
                    string lpszDriver,   //   驱动名称
                    string lpszDevice,   //   设备名称
                    string lpszOutput,   //   无用，可以设定位"NULL"
                    IntPtr lpInitData   //   任意的打印机数据
                    );
        }//封装一部分api的类

        //抓取句柄所指窗口
        public Bitmap getscreenfromhandle(IntPtr hwnd)
        {
            RECT rc = new RECT();
            API.GetWindowRect(hwnd, ref   rc);
            return getscreen(rc.left, rc.top + 25, 480, 272);
        }
        //获得屏幕指定区域  
        public Bitmap getscreen(int left, int top, int width, int height)
        {
            IntPtr dc1 = API.CreateDC("DISPLAY", null, null, (IntPtr)null);
            Graphics newGraphics = Graphics.FromHdc(dc1);
            //////////////////////////////////////////////////////////////
            Bitmap img = new Bitmap(width, height, newGraphics);
            Graphics thisGraphics = Graphics.FromImage(img);
            //////////////////////////////////////////////////////////////
            IntPtr dc2 = thisGraphics.GetHdc();
            IntPtr dc3 = newGraphics.GetHdc();
            API.BitBlt(dc2, 0, 0, width, height, dc3, left, top, 13369376);
            ////////////////////////////////////////////////////////////////
            thisGraphics.ReleaseHdc(dc2);
            newGraphics.ReleaseHdc(dc3);
            return img;
        }
        //保存成各种格式
        public string savepic(Bitmap bmp)
        {
            SaveFileDialog saveDialog = new SaveFileDialog();
            saveDialog.Filter = "jpg文件(*.jpg)|*.jpg|位图文件(*.bmp)|*.bmp|gif文件(*.gif)|*.gif|tiff文件(*.tiff)|*.tiff|png文件(*.png)|*.png";
            saveDialog.DefaultExt = "*.jpg";
            string nowdate = System.DateTime.Now.Year.ToString() + "-" + System.DateTime.Now.Month.ToString() + "-" + System.DateTime.Now.Day.ToString() + "-" + System.DateTime.Now.Hour.ToString() + "-" + System.DateTime.Now.Minute.ToString() + "-" + System.DateTime.Now.Second;
            saveDialog.FileName = nowdate;
            if (saveDialog.ShowDialog() == DialogResult.OK)
            {
                string ext = saveDialog.FileName.Substring(saveDialog.FileName.Length - 4, 4);
                switch (ext)
                {
                    case ".bmp":
                        bmp.Save(saveDialog.FileName, ImageFormat.Bmp);
                        break;
                    case ".gif":
                        bmp.Save(saveDialog.FileName , ImageFormat.Gif);
                        break;
                    case ".jpg":
                        bmp.Save(saveDialog.FileName, ImageFormat.Jpeg);
                        break;
                   case ".png":
                        bmp.Save(saveDialog.FileName , ImageFormat.Png);
                        break;
                    case ".tiff":
                        bmp.Save(saveDialog.FileName , ImageFormat.Tiff);
                        break;
                    default:
                        return "";
                }
                return saveDialog.FileName;
            }
            return "";
        }
        //图片输出
        private void CreatPicButton_Click(object sender, EventArgs e)
        {
            IntPtr hwnd = this.Handle;
            Bitmap image = getscreenfromhandle(hwnd);
            savepic(image);
        }
        private void aboutButton_Click(object sender, EventArgs e)
        {
            Psp_wallpaper_mini.About_Box aboutbox = new About_Box();
            aboutbox.Show();
        }
    }
}