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991 lines
40 KiB
991 lines
40 KiB
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Diagnostics;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using Customize.Controls;
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namespace ShenTun.ImageCollection.Common
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{
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public partial class ImageView : UserControl
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{
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private static int rotaNum = 0; // 旋转角度
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private static int pointRadis = 12; // 裁切点大小
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private static Boolean clipMode = false; // 是否开启裁切
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private static Boolean textMode = false; // 是否开启标注
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private static Pen clipPen = new Pen(Color.Red, 10); // 裁切颜色
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private static string imagePath = null; // 图像路径
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private static Image sourceImage = null; // 初始输入图像源
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private static Image outputImage = null; // 初始输出图像源 未使用
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private static PictureBox currentPictureBox = null; // 当前图像容器
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private static Panel currentImageBox = null; // 当前图像panel
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private static Panel currentClipPanel = null; // 裁切平面
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private static ExtendedTextPanel currentInputPanel = null; // 文字输入框
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private static Point one = new Point(0, 0); // 裁切调整坐标1
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private static Point two = new Point(0, 0); // 裁切调整坐标2
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private static Point three = new Point(0, 0); // 裁切调整坐标3
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private static Point four = new Point(0, 0); // 裁切调整坐标4
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private static PictureBox OneButton = new PictureBox(); // 裁切调整点1
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private static PictureBox TwoButton = new PictureBox(); // 裁切调整点2
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private static PictureBox ThreeButton = new PictureBox(); // 裁切调整点3
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private static PictureBox FourButton = new PictureBox(); // 裁切调整点4
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private static System.Drawing.Rectangle clipRect = new System.Drawing.Rectangle(0, 0, 0, 0); // 裁切矩形信息
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private bool hasInit=false;
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private SelectImageInfo selectImage=null;
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private ApiService apiService = new ApiService();
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private bool isShowList = false;
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public Point mouseDownPoint; // 记录鼠标点击坐标
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public Point textPoint;
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public bool isSelected = false; // 是否点击图像
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public bool isDrawing = false; // 是否点击图像
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public bool isClicked = false; // 是否点击裁切矩形
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public bool isClickedOne = false; // 是否点解裁切矩形调整点1
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public bool isClickedTwo = false; // 是否点解裁切矩形调整点2
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public bool isClickedThree = false; // 是否点解裁切矩形调整点3
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public bool isClickedFour = false; // 是否点解裁切矩形调整点4
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public ImageView()
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{
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InitializeComponent();
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}
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public void LoadImageAndInit(MemoryStream mstr)
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{
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init(mstr, this.ImageBox, this.pictureBox);
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}
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public void LoadImageAndInit(MemoryStream mstr, SelectImageInfo imageInfo)
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{
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isShowList = true;
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init(mstr, this.ImageBox, this.pictureBox);
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selectImage = imageInfo;
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}
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/**
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* 初始化组件及事件
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*/
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public void init(MemoryStream mstr,Panel currentImage, PictureBox pictureBox)
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{
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//imagePath = path.Trim();
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sourceImage = ImageHelper.GetImage(mstr);
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currentImageBox = currentImage;
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if (!hasInit)
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{
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/************************按钮事件**************************/
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this.reset.Click += new System.EventHandler(this.reset_Click);
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this.rotaLeft.Click += new System.EventHandler(this.rotaLeft_Click);
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this.roatRight.Click += new System.EventHandler(this.roatRight_Click);
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this.rota90.Click += new System.EventHandler(this.rota90_Click);
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this.rota180.Click += new System.EventHandler(this.rota180_Click);
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this.mirror.Click += new System.EventHandler(this.mirror_Click);
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this.vertical.Click += new System.EventHandler(this.vertical_Click);
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this.clip.Click += new System.EventHandler(this.clip_Click);
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this.textImport.Click += new System.EventHandler(this.textImport_Click);
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this.btnSave.Click += new System.EventHandler(this.btnSave_Click);
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this.btnClose.Click += new System.EventHandler(this.btnCancel_Click);
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this.btnList.Click += new System.EventHandler(this.btnList_Click);
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}
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currentPictureBox = pictureBox;
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currentPictureBox.Location = new Point(0, 0);
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currentPictureBox.Width = 0;
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currentPictureBox.Height = 0;
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currentPictureBox.Image = sourceImage;
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currentPictureBox.Width = sourceImage.Width;
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currentPictureBox.Height = sourceImage.Height;
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currentPictureBox.SizeMode = PictureBoxSizeMode.Zoom;
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//imagePath = path.Trim();
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if (!hasInit)
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{
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this.SizeChanged += new EventHandler(this.ImageEdit_ResizeBegin);
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currentPictureBox.MouseWheel += new System.Windows.Forms.MouseEventHandler(this.pictureBox_MouseWheel);
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currentPictureBox.MouseDown += new System.Windows.Forms.MouseEventHandler(this.pictureBox_MouseDown);
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currentPictureBox.MouseMove += new System.Windows.Forms.MouseEventHandler(this.pictureBox_MouseMove);
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currentPictureBox.MouseUp += new System.Windows.Forms.MouseEventHandler(this.pictureBox_MouseUp);
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}
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/************************裁切框组件**************************/
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OneButton.Size = new Size(pointRadis, pointRadis);
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TwoButton.Size = new Size(pointRadis, pointRadis);
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ThreeButton.Size = new Size(pointRadis, pointRadis);
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FourButton.Size = new Size(pointRadis, pointRadis);
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OneButton.BackColor = Color.Red;
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TwoButton.BackColor = Color.Red;
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ThreeButton.BackColor = Color.Red;
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FourButton.BackColor = Color.Red;
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OneButton.Visible = clipMode;
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TwoButton.Visible = clipMode;
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ThreeButton.Visible = clipMode;
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FourButton.Visible = clipMode;
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FourButton.TabIndex = 10000;
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if (!hasInit)
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{
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currentImageBox.Controls.Add(OneButton);
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currentImageBox.Controls.Add(TwoButton);
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currentImageBox.Controls.Add(ThreeButton);
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currentImageBox.Controls.Add(FourButton);
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currentImageBox.Controls.Add(pictureBox);
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}
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currentClipPanel = this.clipPanel;
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currentClipPanel.BackColor = Color.Transparent;
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currentClipPanel.Visible = false;
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currentClipPanel.Location = new Point(0, 0);
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currentClipPanel.Width = 0;
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currentClipPanel.Height = 0;
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if (!hasInit)
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{
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currentClipPanel.MouseDown += new System.Windows.Forms.MouseEventHandler(this.clip_MouseDown);
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currentClipPanel.MouseMove += new System.Windows.Forms.MouseEventHandler(this.clip_MouseMove);
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currentClipPanel.MouseUp += new System.Windows.Forms.MouseEventHandler(this.clip_MouseUp);
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OneButton.MouseDown += new System.Windows.Forms.MouseEventHandler(this.One_MouseDown);
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OneButton.MouseMove += new System.Windows.Forms.MouseEventHandler(this.One_MouseMove);
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OneButton.MouseUp += new System.Windows.Forms.MouseEventHandler(this.One_MouseUp);
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TwoButton.MouseDown += new System.Windows.Forms.MouseEventHandler(this.Two_MouseDown);
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TwoButton.MouseMove += new System.Windows.Forms.MouseEventHandler(this.Two_MouseMove);
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TwoButton.MouseUp += new System.Windows.Forms.MouseEventHandler(this.Two_MouseUp);
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ThreeButton.MouseDown += new System.Windows.Forms.MouseEventHandler(this.Three_MouseDown);
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ThreeButton.MouseMove += new System.Windows.Forms.MouseEventHandler(this.Three_MouseMove);
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ThreeButton.MouseUp += new System.Windows.Forms.MouseEventHandler(this.Three_MouseUp);
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FourButton.MouseDown += new System.Windows.Forms.MouseEventHandler(this.Four_MouseDown);
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FourButton.MouseMove += new System.Windows.Forms.MouseEventHandler(this.Four_MouseMove);
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FourButton.MouseUp += new System.Windows.Forms.MouseEventHandler(this.Four_MouseUp);
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}
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clipRect.X = 0;
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clipRect.Y = 0;
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clipRect.Width = currentPictureBox.Image.Width;
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clipRect.Height = currentPictureBox.Image.Height;
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resetImageToPanel();
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hasInit = true;
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this.btnList.Visible = isShowList;
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}
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public void ImageClear()
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{
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if (currentPictureBox.Image != null)
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{
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currentPictureBox.Image.Dispose();
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}
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}
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private void ImageEdit_ResizeBegin(object sender, EventArgs e)
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{
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resetImageToPanel();
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}
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private static void resetImageToPanel()
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{
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int windowWidth = currentImageBox.Width;
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int windowHeight = currentImageBox.Height;
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int imageWidth = clipRect.Width;
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int imageHeight = clipRect.Height;
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if (imageWidth >= imageHeight)
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{
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if (imageWidth > windowWidth)
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{
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double scaleHeight = (double)windowWidth / imageWidth * imageHeight;
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currentPictureBox.Width = windowWidth;
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currentPictureBox.Height = (int)scaleHeight;
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}
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else
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{
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currentPictureBox.Width = imageWidth;
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currentPictureBox.Height = imageHeight;
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}
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}
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else
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{
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if (imageHeight > windowHeight)
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{
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double scaleWidth = (double)windowHeight / imageHeight * imageWidth;
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currentPictureBox.Height = windowHeight;
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currentPictureBox.Width = (int)scaleWidth;
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}
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else
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{
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currentPictureBox.Width = imageWidth;
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currentPictureBox.Height = imageHeight;
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}
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}
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int X = (windowWidth - currentPictureBox.Width) / 2;
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int Y = (windowHeight - currentPictureBox.Height) / 2;
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currentPictureBox.Location = new Point(X, Y);
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}
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private void btnCancel_Click(object sender, EventArgs e)
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{
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if (currentPictureBox.Image != null)
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{
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currentPictureBox.Image.Dispose();
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}
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if (this.Parent is Form)
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{
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if (((Form)this.Parent).Name.Equals("FrmImage"))
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{
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((Form)this.Parent).DialogResult = DialogResult.Cancel;
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}
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}
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if (this.Parent is SplitterPanel)
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{
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if(this.Parent.Parent.Parent is Form)
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{
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if (((Form)this.Parent.Parent.Parent).Name.Equals("FrmImageList"))
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{
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((Form)this.Parent.Parent.Parent).DialogResult = DialogResult.Cancel;
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}
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}
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}
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}
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private void btnList_Click(object sender, EventArgs e)
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{
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if (this.Parent is SplitterPanel)
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{
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if (this.Parent.Parent is SplitContainer)
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{
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((SplitContainer)this.Parent.Parent).Panel1Collapsed = !((SplitContainer)this.Parent.Parent).Panel1Collapsed;
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}
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}
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}
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private async void btnSave_Click(object sender, EventArgs e)
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{
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if (clipMode)
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{
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this.clip.BackColor = Color.Transparent;
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this.clip.ForeColor = Color.Black;
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this.overPainting();
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clipMode = false;
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}
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if (textMode)
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{
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writeToImage();
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textMode = false;
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}
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if(this.Parent is Form)
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{
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ImageData.Image = (Bitmap)currentPictureBox.Image.Clone();
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if (currentPictureBox.Image != null)
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{
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currentPictureBox.Image.Dispose();
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}
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if (((Form)this.Parent).Name.Equals("FrmImage"))
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{
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((Form)this.Parent).DialogResult = DialogResult.OK;
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}
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}
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if (this.Parent is SplitterPanel)
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{
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if (this.Parent.Parent.Parent is Form)
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{
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if (((Form)this.Parent.Parent.Parent).Name.Equals("FrmImageList"))
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{
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this.btnSave.Enabled = false;
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if (File.Exists(selectImage.Image.localPathName))
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{
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File.Delete(selectImage.Image.localPathName);
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}
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var oldImg = (Bitmap)currentPictureBox.Image.Clone();
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Bitmap img = new Bitmap(oldImg);
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Graphics draw = Graphics.FromImage(img);
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draw.DrawImage(oldImg, 0, 0, oldImg.Width, oldImg.Height);
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oldImg.Dispose();
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int iPos = selectImage.Image.localPathName.LastIndexOf("\\");
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string localFilename = selectImage.Image.localPathName.Substring(iPos + 1);
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using (MemoryStream stream = new MemoryStream())
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{
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img.Save(stream, System.Drawing.Imaging.ImageFormat.Jpeg);
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await apiService.UploadImage(stream, selectImage);
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}
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img.Save(selectImage.Image.localPathName, System.Drawing.Imaging.ImageFormat.Jpeg);
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img.Dispose();
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this.btnSave.Enabled = true;
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}
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}
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}
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}
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private void reset_Click(object sender, EventArgs e)
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{
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if (!clipMode)
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{
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rotaNum = 0;
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currentPictureBox.Image = RotateImage(sourceImage, rotaNum);
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resetImageToPanel();
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}
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}
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private void rotaLeft_Click(object sender, EventArgs e)
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{
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currentPictureBox.Image = RotateImage(sourceImage, rotaNum -= 5);
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}
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private void roatRight_Click(object sender, EventArgs e)
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{
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currentPictureBox.Image = RotateImage(sourceImage, rotaNum += 5);
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}
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private void mirror_Click(object sender, EventArgs e)
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{
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currentPictureBox.Image = turnOverImage(currentPictureBox.Image, "mirror");
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}
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private void vertical_Click(object sender, EventArgs e)
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{
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currentPictureBox.Image = turnOverImage(currentPictureBox.Image, "vertical");
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}
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private void rota90_Click(object sender, EventArgs e)
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{
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currentPictureBox.Image = RotateImage(sourceImage, rotaNum -= 90);
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}
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private void rota180_Click(object sender, EventArgs e)
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{
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currentPictureBox.Image = RotateImage(sourceImage, rotaNum -= 180);
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}
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private void writeToImage()
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{
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if (currentInputPanel == null) return;
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if (currentInputPanel.TransTextBox.Text.Length == 0) return;
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Graphics g = Graphics.FromImage(currentPictureBox.Image);//定义一个GDI+
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SolidBrush drawBrush = new SolidBrush(currentInputPanel.TransTextBox.ForeColor);//定义一个画笔，在这里我读取了textBox1的字体颜色
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Font drawFont = new Font(currentInputPanel.TransTextBox.Font.FontFamily, currentInputPanel.TransTextBox.Font.Size);//定义一个font，设置字的样式，大小，都是读取textBox1的值<br> //往图片上写字。这里需要注意的是Point，因为在图片加载的时候你可能采取了一定的压缩或者放大，所以要乘以压缩比例scaling
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g.DrawString(currentInputPanel.TransTextBox.Text, drawFont, drawBrush, new Point(currentInputPanel.Location.X, currentInputPanel.Location.Y));
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currentPictureBox.Controls.Remove(currentInputPanel);//然后移除添加的那个textBox1
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}
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private void clip_Click(object sender, EventArgs e)
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{
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clipMode = !clipMode;
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if (textMode)
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{
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writeToImage();
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textMode = false;
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this.textImport.BackColor = Color.Transparent;
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this.textImport.ForeColor = Color.Black;
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}
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if (clipMode)
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{
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this.clip.BackColor = Color.Blue;
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this.clip.ForeColor = Color.White;
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this.beginPainting();
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}
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else
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{
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this.clip.BackColor = Color.Transparent;
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this.clip.ForeColor = Color.Black;
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this.overPainting();
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}
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}
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private void textImport_Click(object sender, EventArgs e)
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{
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textMode = !textMode;
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if (clipMode)
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{
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this.clip.BackColor = Color.Transparent;
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this.clip.ForeColor = Color.Black;
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this.overPainting();
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}
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if (textMode)
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{
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this.textImport.BackColor = Color.Blue;
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this.textImport.ForeColor = Color.White;
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}
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else
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{
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this.textImport.BackColor = Color.Transparent;
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this.textImport.ForeColor = Color.Black;
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writeToImage();
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}
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}
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/************************图像鼠标事件**************************/
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private void pictureBox_MouseWheel(object sender, MouseEventArgs e)
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{
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if (!clipMode && currentPictureBox.ClientRectangle.Contains(e.Location))
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{
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((HandledMouseEventArgs)e).Handled = true;
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currentPictureBox.Focus();
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float zoomChange = e.Delta > 0 ? 2f : 0.5f;
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// 计算缩放后图片的大小
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int newWidth = (int)(currentPictureBox.Width * zoomChange);
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int newHeight = (int)(currentPictureBox.Height * zoomChange);
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int newX = 0;
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int newY = 0;
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if (e.Delta > 0)
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{
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newX = (int)(currentPictureBox.Left - e.X);
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newY = (int)(currentPictureBox.Top - e.Y);
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}
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else
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{
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newX = (int)(currentPictureBox.Left + e.X / 2);
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newY = (int)(currentPictureBox.Top + e.Y / 2);
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}
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currentPictureBox.Size = new Size(newWidth, newHeight);
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currentPictureBox.Location = new Point(newX, newY);
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}
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}
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private void pictureBox_MouseDown(object sender, MouseEventArgs e)
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{
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if (!clipMode)
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{
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if (currentImageBox != null)
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{
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currentImageBox.Focus();
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}
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if (e.Button == MouseButtons.Left)
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{
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if (textMode)
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{
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mouseDownPoint.X = e.Location.X;
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mouseDownPoint.Y = e.Location.Y;
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Cursor.Current = Cursors.Cross;
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isDrawing = true;
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this.addTextInput(e);
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}
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else
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{
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mouseDownPoint.X = Cursor.Position.X;
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mouseDownPoint.Y = Cursor.Position.Y;
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Cursor.Current = Cursors.SizeAll;
|
|
isSelected = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
private void pictureBox_MouseMove(object sender, MouseEventArgs e)
|
|
{
|
|
if (!clipMode)
|
|
{
|
|
if (isDrawing)
|
|
{
|
|
this.resizeTextInput(e);
|
|
mouseDownPoint.X = e.Location.X;
|
|
mouseDownPoint.Y = e.Location.Y;
|
|
}
|
|
else if (isSelected)
|
|
{
|
|
currentPictureBox.Left = currentPictureBox.Left + (Cursor.Position.X - mouseDownPoint.X);
|
|
currentPictureBox.Top = currentPictureBox.Top + (Cursor.Position.Y - mouseDownPoint.Y);
|
|
|
|
mouseDownPoint.X = Cursor.Position.X;
|
|
mouseDownPoint.Y = Cursor.Position.Y;
|
|
}
|
|
}
|
|
}
|
|
private void pictureBox_MouseUp(object sender, MouseEventArgs e)
|
|
{
|
|
if (textMode)
|
|
{
|
|
this.importTextInput();
|
|
}
|
|
isSelected = false;
|
|
isDrawing = false;
|
|
}
|
|
/*************************添加输入框*************************/
|
|
private void addTextInput(MouseEventArgs e)
|
|
{
|
|
|
|
Debug.WriteLine("addTextInput");
|
|
ExtendedTextPanel inputPanel = new ExtendedTextPanel();
|
|
currentInputPanel = inputPanel;
|
|
currentInputPanel.Opacity = 0;
|
|
currentInputPanel.Mode = "text";
|
|
currentPictureBox.Controls.Add(inputPanel);
|
|
currentInputPanel.Size = new Size(0, 0);
|
|
currentInputPanel.Location = new Point(e.Location.X, e.Location.Y);
|
|
|
|
}
|
|
private void resizeTextInput(MouseEventArgs e)
|
|
{
|
|
if (currentInputPanel != null)
|
|
{
|
|
int dtW = e.Location.X - mouseDownPoint.X;
|
|
int dtH = e.Location.Y - mouseDownPoint.Y;
|
|
currentInputPanel.Width += dtW;
|
|
currentInputPanel.Height += dtH;
|
|
}
|
|
}
|
|
private void importTextInput()
|
|
{
|
|
|
|
if (currentInputPanel == null)
|
|
{
|
|
return;
|
|
}
|
|
// 太小的不创建
|
|
if (currentInputPanel.Width < 10 || currentInputPanel.Height < 10)
|
|
{
|
|
currentPictureBox.Controls.Remove(currentInputPanel);
|
|
currentInputPanel = null;
|
|
return;
|
|
}
|
|
|
|
Debug.WriteLine("importTextInput");
|
|
currentInputPanel.showTransTextBox();
|
|
|
|
// currentInputPanel.LostFocus += new EventHandler(txt_LostFocus); //失去焦点后发生事件
|
|
// textBox.GotFocus += new EventHandler(txt_GotFocus); //获取焦点前发生事件
|
|
// textBox.MouseClick += new MouseEventHandler(txt_MouseClick); // 鼠标点击事件
|
|
}
|
|
|
|
private void txt_LostFocus(object sender, EventArgs e)
|
|
{
|
|
Debug.WriteLine("txt_LostFocus");
|
|
TransTextBox textBox = (TransTextBox)sender;
|
|
|
|
}
|
|
private void txt_GotFocus(object sender, EventArgs e)
|
|
{
|
|
Debug.WriteLine("txt_GotFocus");
|
|
TransTextBox textBox = (TransTextBox)sender;
|
|
ExtendedPanel inputPanel = (ExtendedPanel)textBox.Parent;
|
|
}
|
|
private void txt_MouseClick(object sender, EventArgs e)
|
|
{
|
|
Debug.WriteLine("txt_MouseClick");
|
|
TransTextBox textBox = (TransTextBox)sender;
|
|
}
|
|
/*************************裁切平面鼠标事件*************************/
|
|
private void clip_MouseDown(object sender, MouseEventArgs e)
|
|
{
|
|
if (e.Button == MouseButtons.Left)
|
|
{
|
|
mouseDownPoint.X = Cursor.Position.X;
|
|
mouseDownPoint.Y = Cursor.Position.Y;
|
|
isClicked = true;
|
|
}
|
|
}
|
|
private void clip_MouseMove(object sender, MouseEventArgs e)
|
|
{
|
|
if (isClicked)
|
|
{
|
|
int dotaX = mouseDownPoint.X - Cursor.Position.X;
|
|
int dotaY = mouseDownPoint.Y - Cursor.Position.Y;
|
|
|
|
currentClipPanel.Left = currentClipPanel.Left - dotaX;
|
|
currentClipPanel.Top = currentClipPanel.Top - dotaY;
|
|
|
|
// 刷新第一、二、三、四个点位置
|
|
int newOneX = currentClipPanel.Location.X + currentClipPanel.Width / 2 - pointRadis / 2;
|
|
int newTwoY = currentClipPanel.Location.Y + currentClipPanel.Height / 2 - pointRadis / 2;
|
|
|
|
OneButton.Location = new Point(newOneX, currentClipPanel.Location.Y - pointRadis / 2);
|
|
ThreeButton.Location = new Point(newOneX, currentClipPanel.Location.Y + currentClipPanel.Height - pointRadis / 2);
|
|
|
|
TwoButton.Location = new Point(currentClipPanel.Location.X + currentClipPanel.Width - pointRadis / 2, newTwoY);
|
|
FourButton.Location = new Point(currentClipPanel.Location.X - pointRadis / 2, newTwoY);
|
|
|
|
mouseDownPoint.X = Cursor.Position.X;
|
|
mouseDownPoint.Y = Cursor.Position.Y;
|
|
}
|
|
}
|
|
private void clip_MouseUp(object sender, MouseEventArgs e)
|
|
{
|
|
isClicked = false;
|
|
}
|
|
/*************************第一个点鼠标事件*************************/
|
|
private void One_MouseDown(object sender, MouseEventArgs e)
|
|
{
|
|
if (e.Button == MouseButtons.Left)
|
|
{
|
|
mouseDownPoint.X = Cursor.Position.X;
|
|
mouseDownPoint.Y = Cursor.Position.Y;
|
|
Cursor.Current = Cursors.SizeNS;
|
|
isClickedOne = true;
|
|
}
|
|
}
|
|
private void One_MouseMove(object sender, MouseEventArgs e)
|
|
{
|
|
if (isClickedOne)
|
|
{
|
|
|
|
int dotaY = mouseDownPoint.Y - Cursor.Position.Y;
|
|
if (ThreeButton.Location.Y - OneButton.Location.Y > 50 || dotaY > 0)
|
|
{
|
|
|
|
// 计算高度和位置
|
|
currentClipPanel.Height = currentClipPanel.Height + dotaY;
|
|
int newY = currentClipPanel.Location.Y - dotaY;
|
|
currentClipPanel.Location = new Point(currentClipPanel.Location.X, newY);
|
|
int newPointY = OneButton.Location.Y - dotaY;
|
|
OneButton.Location = new Point(OneButton.Location.X, newPointY);
|
|
// 刷新第二、四个点位置
|
|
int newTwoY = currentClipPanel.Location.Y + currentClipPanel.Height / 2 - pointRadis / 2;
|
|
TwoButton.Location = new Point(TwoButton.Location.X, newTwoY);
|
|
FourButton.Location = new Point(FourButton.Location.X, newTwoY);
|
|
|
|
mouseDownPoint.X = Cursor.Position.X;
|
|
mouseDownPoint.Y = Cursor.Position.Y;
|
|
|
|
}
|
|
}
|
|
}
|
|
private void One_MouseUp(object sender, MouseEventArgs e)
|
|
{
|
|
isClickedOne = false;
|
|
}
|
|
/*************************第二个点鼠标事件*************************/
|
|
private void Two_MouseDown(object sender, MouseEventArgs e)
|
|
{
|
|
if (e.Button == MouseButtons.Left)
|
|
{
|
|
Cursor.Current = Cursors.SizeWE;
|
|
mouseDownPoint.X = Cursor.Position.X;
|
|
mouseDownPoint.Y = Cursor.Position.Y;
|
|
isClickedTwo = true;
|
|
}
|
|
|
|
}
|
|
private void Two_MouseMove(object sender, MouseEventArgs e)
|
|
{
|
|
if (isClickedTwo)
|
|
{
|
|
int dotaX = mouseDownPoint.X - Cursor.Position.X;
|
|
if (TwoButton.Location.X - FourButton.Location.X > 50 || dotaX < 0)
|
|
{
|
|
// 计算宽度和位置
|
|
currentClipPanel.Width -= dotaX;
|
|
|
|
int newPointX = TwoButton.Location.X - dotaX;
|
|
TwoButton.Location = new Point(newPointX, TwoButton.Location.Y);
|
|
// 刷新第一、三个点位置
|
|
int newOneX = currentClipPanel.Location.X + currentClipPanel.Width / 2 - pointRadis / 2;
|
|
OneButton.Location = new Point(newOneX, OneButton.Location.Y);
|
|
ThreeButton.Location = new Point(newOneX, ThreeButton.Location.Y);
|
|
|
|
mouseDownPoint.X = Cursor.Position.X;
|
|
mouseDownPoint.Y = Cursor.Position.Y;
|
|
}
|
|
}
|
|
}
|
|
private void Two_MouseUp(object sender, MouseEventArgs e)
|
|
{
|
|
isClickedTwo = false;
|
|
}
|
|
/*************************第三个点鼠标事件*************************/
|
|
private void Three_MouseDown(object sender, MouseEventArgs e)
|
|
{
|
|
if (e.Button == MouseButtons.Left)
|
|
{
|
|
Cursor.Current = Cursors.SizeNS;
|
|
mouseDownPoint.X = Cursor.Position.X;
|
|
mouseDownPoint.Y = Cursor.Position.Y;
|
|
isClickedThree = true;
|
|
}
|
|
}
|
|
private void Three_MouseMove(object sender, MouseEventArgs e)
|
|
{
|
|
if (isClickedThree)
|
|
{
|
|
int dotaY = mouseDownPoint.Y - Cursor.Position.Y;
|
|
if (ThreeButton.Location.Y - OneButton.Location.Y > 50 || dotaY < 0)
|
|
{
|
|
// 计算高度和位置
|
|
currentClipPanel.Height = currentClipPanel.Height - dotaY;
|
|
int newPointY = ThreeButton.Location.Y - dotaY;
|
|
ThreeButton.Location = new Point(ThreeButton.Location.X, newPointY);
|
|
// 刷新第二、四个点位置
|
|
int newTwoY = currentClipPanel.Location.Y + currentClipPanel.Height / 2 - pointRadis / 2;
|
|
TwoButton.Location = new Point(TwoButton.Location.X, newTwoY);
|
|
FourButton.Location = new Point(FourButton.Location.X, newTwoY);
|
|
|
|
mouseDownPoint.X = Cursor.Position.X;
|
|
mouseDownPoint.Y = Cursor.Position.Y;
|
|
}
|
|
}
|
|
}
|
|
private void Three_MouseUp(object sender, MouseEventArgs e)
|
|
{
|
|
isClickedThree = false;
|
|
}
|
|
/*************************第四个点鼠标事件*************************/
|
|
private void Four_MouseDown(object sender, MouseEventArgs e)
|
|
{
|
|
if (e.Button == MouseButtons.Left)
|
|
{
|
|
Cursor.Current = Cursors.SizeWE;
|
|
mouseDownPoint.X = Cursor.Position.X;
|
|
mouseDownPoint.Y = Cursor.Position.Y;
|
|
isClickedFour = true;
|
|
}
|
|
}
|
|
private void Four_MouseMove(object sender, MouseEventArgs e)
|
|
{
|
|
if (isClickedFour)
|
|
{
|
|
// 计算宽度和位置
|
|
int dotaX = mouseDownPoint.X - Cursor.Position.X;
|
|
if (TwoButton.Location.X - FourButton.Location.X > 50 || dotaX > 0)
|
|
{
|
|
currentClipPanel.Width += dotaX;
|
|
int newX = currentClipPanel.Location.X - dotaX;
|
|
currentClipPanel.Location = new Point(newX, currentClipPanel.Location.Y);
|
|
int newPointX = FourButton.Location.X - dotaX;
|
|
FourButton.Location = new Point(newPointX, FourButton.Location.Y);
|
|
// 刷新第一、三个点位置
|
|
int newOneX = currentClipPanel.Location.X + currentClipPanel.Width / 2 - pointRadis / 2;
|
|
OneButton.Location = new Point(newOneX, OneButton.Location.Y);
|
|
ThreeButton.Location = new Point(newOneX, ThreeButton.Location.Y);
|
|
|
|
mouseDownPoint.X = Cursor.Position.X;
|
|
mouseDownPoint.Y = Cursor.Position.Y;
|
|
}
|
|
}
|
|
}
|
|
private void Four_MouseUp(object sender, MouseEventArgs e)
|
|
{
|
|
isClickedFour = false;
|
|
}
|
|
/***************************功能方法***********************/
|
|
/**
|
|
* 绘制裁切框
|
|
*/
|
|
private void beginPainting()
|
|
{
|
|
Debug.WriteLine("====beginPainting====");
|
|
OneButton.Visible = clipMode;
|
|
TwoButton.Visible = clipMode;
|
|
ThreeButton.Visible = clipMode;
|
|
FourButton.Visible = clipMode;
|
|
currentPictureBox.Image = RotateImage(sourceImage, rotaNum);
|
|
currentPictureBox.Refresh();
|
|
|
|
// 初始化位置
|
|
setDefaultClipButtonPosition();
|
|
currentClipPanel.Visible = clipMode;
|
|
}
|
|
/**
|
|
* 结束绘制
|
|
*/
|
|
private void overPainting()
|
|
{
|
|
Debug.WriteLine("====overPainting====");
|
|
OneButton.Visible = clipMode;
|
|
TwoButton.Visible = clipMode;
|
|
ThreeButton.Visible = clipMode;
|
|
FourButton.Visible = clipMode;
|
|
currentPictureBox.Image = RotateImage(sourceImage, rotaNum);
|
|
currentImageBox.Refresh();
|
|
|
|
// 裁切
|
|
clipBitmap();
|
|
currentClipPanel.Visible = clipMode;
|
|
}
|
|
/**
|
|
* 初始化裁切框调整按钮到图像尺寸
|
|
*/
|
|
private static void setDefaultClipButtonPosition()
|
|
{
|
|
|
|
int halfButton = pointRadis / 2;
|
|
// 设置拖拉按钮
|
|
one.X = currentPictureBox.Location.X + currentPictureBox.Width / 2 - halfButton;
|
|
one.Y = currentPictureBox.Location.Y - halfButton;
|
|
OneButton.Location = one;
|
|
|
|
two.X = currentPictureBox.Location.X + currentPictureBox.Width - halfButton;
|
|
two.Y = currentPictureBox.Location.Y + currentPictureBox.Height / 2 - halfButton;
|
|
TwoButton.Location = two;
|
|
|
|
three.X = one.X;
|
|
three.Y = currentPictureBox.Location.Y + currentPictureBox.Height - halfButton;
|
|
ThreeButton.Location = three;
|
|
|
|
four.X = currentPictureBox.Location.X - halfButton;
|
|
four.Y = two.Y;
|
|
FourButton.Location = four;
|
|
|
|
currentClipPanel.Location = currentPictureBox.Location;
|
|
currentClipPanel.Width = currentPictureBox.Width;
|
|
currentClipPanel.Height = currentPictureBox.Height;
|
|
|
|
Graphics graphicsClip = OneButton.CreateGraphics();
|
|
graphicsClip.DrawRectangle(clipPen, clipRect);
|
|
graphicsClip.Dispose();
|
|
}
|
|
/**
|
|
* 裁切图片
|
|
*/
|
|
private static void clipBitmap()
|
|
{
|
|
|
|
Image srcImage = currentPictureBox.Image;
|
|
int X = currentClipPanel.Location.X - currentPictureBox.Location.X;
|
|
int Y = currentClipPanel.Location.Y - currentPictureBox.Location.Y;
|
|
|
|
int crossWidth = X < 0 ? currentClipPanel.Width + X : currentClipPanel.Width;
|
|
int crossHeight = Y < 0 ? currentClipPanel.Height + Y : currentClipPanel.Height;
|
|
|
|
int Width = crossWidth * srcImage.Width / currentPictureBox.Width;
|
|
int Height = crossHeight * srcImage.Height / currentPictureBox.Height;
|
|
|
|
X = X < 0 ? 0 : X * srcImage.Width / currentPictureBox.Width;
|
|
Y = Y < 0 ? 0 : Y * srcImage.Height / currentPictureBox.Height;
|
|
|
|
// 创建新图位图
|
|
Bitmap bitmap = new Bitmap(Width, Height);
|
|
bitmap.SetResolution(srcImage.HorizontalResolution, srcImage.VerticalResolution);
|
|
// 创建作图区域
|
|
Graphics graphic = Graphics.FromImage(bitmap);
|
|
graphic.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
|
|
graphic.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.Half;
|
|
// 截取原图相应区域写入作图区
|
|
Rectangle cRect = new Rectangle(X, Y, Width, Height);
|
|
graphic.DrawImage(srcImage, 0, 0, cRect, GraphicsUnit.Pixel);
|
|
graphic.Dispose();
|
|
|
|
/*Debug.WriteLine("SourceWidth===========>" + sourceImage.Width);
|
|
Debug.WriteLine("SourceHeight===========>" + sourceImage.Height);
|
|
Debug.WriteLine("Width===========>" + bitmap.Width);
|
|
Debug.WriteLine("Height===========>" + bitmap.Height);*/
|
|
|
|
//从作图区生成新图
|
|
// currentPictureBox.Image = Image.FromHbitmap( bitmap.GetHbitmap() );
|
|
/********刷新图像*********/
|
|
currentPictureBox.Image = bitmap;
|
|
sourceImage = bitmap;
|
|
rotaNum = 0;
|
|
currentImageBox.Refresh();
|
|
clipRect.X = 0;
|
|
clipRect.Y = 0;
|
|
clipRect.Width = Width;
|
|
clipRect.Height = Height;
|
|
/********刷新图像*********/
|
|
resetImageToPanel();
|
|
}
|
|
/**
|
|
* 旋转图像
|
|
*/
|
|
private static Bitmap RotateImage(Image image, float angle)
|
|
{
|
|
if (image == null)
|
|
{
|
|
throw new ArgumentNullException("image");
|
|
}
|
|
// 获取中心点
|
|
float halfWidth = image.Width / 2.0f;
|
|
float halfHeight = image.Height / 2.0f;
|
|
|
|
// 弧度转换
|
|
angle = angle % 360;
|
|
double radian = angle * Math.PI / 180.0;
|
|
double cos = Math.Cos(radian);
|
|
double sin = Math.Sin(radian);
|
|
int width = image.Width;
|
|
int height = image.Height;
|
|
|
|
// 计算旋转后的图像容器长宽
|
|
int resultWidth = (int)(Math.Max(Math.Abs(width * cos - height * sin), Math.Abs(width * cos + height * sin)));
|
|
int resultHeight = (int)(Math.Max(Math.Abs(width * sin - height * cos), Math.Abs(width * sin + height * cos)));
|
|
|
|
float centerX = resultWidth / 2;
|
|
float centerY = resultHeight / 2;
|
|
|
|
// 设置新的图像容器
|
|
Bitmap newImage = new Bitmap(resultWidth, resultHeight);
|
|
newImage.SetResolution(image.HorizontalResolution, image.VerticalResolution);
|
|
Graphics graphics = Graphics.FromImage(newImage);
|
|
|
|
// 平移图像到中心点
|
|
graphics.TranslateTransform(centerX, centerY);
|
|
// 旋转
|
|
graphics.RotateTransform(angle);
|
|
// 再次平移回来
|
|
graphics.TranslateTransform(-centerX, -centerY);
|
|
|
|
// 将图片绘制到中心点上
|
|
float resultX = centerX - halfWidth;
|
|
float resultY = centerY - halfHeight;
|
|
graphics.DrawImage(image, new PointF(resultX, resultY));
|
|
graphics.Dispose();
|
|
|
|
clipRect.X = 0;
|
|
clipRect.Y = 0;
|
|
clipRect.Width = resultWidth;
|
|
clipRect.Height = resultHeight;
|
|
|
|
resetImageToPanel();
|
|
|
|
// 如果是裁切将显示裁切框
|
|
/*if (clipMode)
|
|
{
|
|
Graphics graphicsClip = Graphics.FromImage(newImage);
|
|
graphicsClip.DrawRectangle(rotaPen, clipRect);
|
|
graphicsClip.Dispose();
|
|
}*/
|
|
|
|
/*Graphics graphicsClip = Graphics.FromImage(newImage);
|
|
graphicsClip.DrawRectangle(rotaPen, clipRect);
|
|
graphicsClip.Dispose();*/
|
|
|
|
return newImage;
|
|
}
|
|
/**
|
|
* 水平镜像
|
|
*/
|
|
private static Image turnOverImage(Image image, string mode)
|
|
{
|
|
Graphics g = Graphics.FromImage(image);
|
|
Rectangle rect = new Rectangle(0, 0, currentPictureBox.Image.Width, currentPictureBox.Image.Height);
|
|
switch (mode)
|
|
{
|
|
case "mirror":
|
|
image.RotateFlip(RotateFlipType.RotateNoneFlipX);
|
|
break;
|
|
case "vertical":
|
|
image.RotateFlip(RotateFlipType.RotateNoneFlipY);
|
|
break;
|
|
}
|
|
g.DrawImage(image, rect);
|
|
g.Dispose();
|
|
return image;
|
|
}
|
|
}
|
|
}
|