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   源码介绍

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图片处理程序,打开任意一张图片后 可在其上编辑，并保存

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

namespace PictureEditApp
{
    public partial class frmImageEdit : DevExpress.XtraEditors.XtraForm
    {
        public frmImageEdit()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            for(int i=1;i<201;i  )
            {
                repositoryItemComboBox1.Items.Add(i);
            }
            pictureEdit1.Init(null);
            pictureEdit1.ZoomPercentChange  = PictureEdit1_ZoomPercentChange;
            pictureEdit1.zoomImage(100F);
        }

        private void PictureEdit1_ZoomPercentChange(object sender, EventArgs e)
        {
            item_Size.EditValue = pictureEdit1.zoomPercent.ToString();
        }
        /// <summary>
        /// 打开
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Btn_Open_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            OpenFileDialog fd = new OpenFileDialog();
            if (fd.ShowDialog() == DialogResult.OK)
            {
                pictureEdit1.Open(fd.FileName);
            }
        }

        public Image image { get { return pictureEdit1.Image; } set { pictureEdit1.Image = value;  } }
        public void setEditModule(String module)
        {
            if(module == "edit")
            {
                this.Btn_Open.Visibility = DevExpress.XtraBars.BarItemVisibility.Never;
            }
            else if (module == "view")
            {
                this.Btn_Open.Visibility = DevExpress.XtraBars.BarItemVisibility.Never;
                this.Btn_Save.Visibility  = DevExpress.XtraBars.BarItemVisibility.Never;
                ribbonPageGroup2.Visible = false;
            }
        }

        /// <summary>
        /// 选择
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Btn_Select_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            pictureEdit1.onSelect_Click();
        }
        /// <summary>
        /// 矩形
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Btn_rectangle_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            pictureEdit1.onRectangle_Click();
        }
        /// <summary>
        /// 圆形
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Btn_Circle_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            pictureEdit1.onRoundness_Click();
        }
        /// <summary>
        /// 箭头
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Btn_arrow_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            pictureEdit1.onArrow_Click();
        }
        /// <summary>
        /// 文字
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Btn_Font_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            pictureEdit1.onWord_Click();
        }
        /// <summary>
        /// 画笔
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Btn_Paint_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            pictureEdit1.onPen_Click();
        }
        /// <summary>
        /// 裁剪
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Btn_Cut_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            pictureEdit1.onCutPic_Click();
        }
        /// <summary>
        /// 重置
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Btn_reset_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            pictureEdit1.onSetSize_Click();
        }
        /// <summary>
        /// 画笔粗细切换事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void repositoryItemComboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            var comboBoxEdit = sender as DevExpress.XtraEditors.ComboBoxEdit;
            var item = comboBoxEdit.SelectedItem;
            if (item_Size.EditValue != null)
                pictureEdit1.zoomImage((Convert.ToInt32(item)) * 1.0f);
        }

        #region 画笔粗细切换调用
        private void barButtonItem1_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            pictureEdit1.ChangePenWidth(1);
        }

        private void barButtonItem2_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            pictureEdit1.ChangePenWidth(3);
        }

        private void barButtonItem4_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            pictureEdit1.ChangePenWidth(5);
        }

        private void barButtonItem5_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            pictureEdit1.ChangePenWidth(8);
        }
        #endregion

        /// <summary>
        /// 颜色切换事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void repositoryItemColorEdit1_ColorChanged(object sender, EventArgs e)
        {
            var colorEdit = sender as DevExpress.XtraEditors.ColorEdit;
            pictureEdit1.ChangePenColor(colorEdit.Color);
        }

        /// <summary>
        /// 只显示裁剪后的图片
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Btn_CutSelect_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            pictureEdit1.onCutPic_Click();
        }
        /// <summary>
        /// 恢复原图
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Btn_SourceImage_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            if (pictureEdit1.ImagePic.Image == null)
            {
                return;
            }
            //this.pictureEdit1.ImagePic.Width = pictureEdit1.sourceImage.Width;
            //this.pictureEdit1.ImagePic.Height = pictureEdit1.sourceImage.Height;
            //this.pictureEdit1.ImagePic.Image = pictureEdit1.sourceImage;
            pictureEdit1.GoBack();//返回集合里的上一张图片，即 撤销操作
        }
        /// <summary>
        /// 顺时针旋转90度
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Btn_clockwise_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            if (pictureEdit1.ImagePic.Image == null)
            {
                return;
            }
            Bitmap bitmap_ = new Bitmap(pictureEdit1.ImagePic.Image);  //当前图
            bitmap_.RotateFlip(RotateFlipType.Rotate90FlipNone);
            pictureEdit1.ImagePic.Image = bitmap_;
        }
        /// <summary>
        /// 逆时针旋转90度
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Btn_anticlockwise_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            if (pictureEdit1.ImagePic.Image == null)
            {
                return;
            }
            Bitmap bitmap_ = new Bitmap(pictureEdit1.ImagePic.Image);  //当前图
            bitmap_.RotateFlip(RotateFlipType.Rotate270FlipNone);
            pictureEdit1.ImagePic.Image = bitmap_;
        }
        
        private void Btn_Save_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            this.DialogResult = DialogResult.OK;
            this.Close();
        }
    }
}