using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Drawing;
using System.Collections;
using System.Drawing.Imaging; public class CropImageManipulator
{
public CropImageManipulator()
{
private string _fileNameWithoutExtension;
// 文件扩展名
private string _fileExtension;
// 文件所属的文件夹
private string _fileDirectory;
/// <summary>
/// 切分图片
/// </summary>
/// <param name="inputImgPath"></param>
/// <param name="cropWidth"></param>
/// <param name="cropHeight"></param>
/// <returns></returns>
public string Cropping(string inputImgPath, int cropWidth, int cropHeight)
{
this._fileNameWithoutExtension = System.IO.Path.GetFileNameWithoutExtension(inputImgPath);
this._fileExtension = System.IO.Path.GetExtension(inputImgPath);
this._fileDirectory = System.IO.Path.GetDirectoryName(inputImgPath);
Image inputImg = Image.FromFile(inputImgPath);
int imgWidth = inputImg.Width;
int imgHeight = inputImg.Height;
int widthCount = (int)Math.Ceiling((imgWidth * 1.00) / (cropWidth * 1.00));
int heightCount = (int)Math.Ceiling((imgHeight * 1.00) / (cropHeight * 1.00));
//----------------------------------------------------------------------
ArrayList areaList = new ArrayList();
//sb.Append("<table cellpadding='0' cellspacing='0' border='[$border]'>");
sb.Append("<table cellpadding='0' cellspacing='0' border='0'>");
sb.Append(System.Environment.NewLine);
for (int iHeight = 0; iHeight < heightCount; iHeight++)
{
sb.Append("<tr>");
sb.Append(System.Environment.NewLine);
for (int iWidth = 0; iWidth < widthCount; iWidth++)
{
string fileName = string.Format("<img src='images/{0}_{1}{2}' />", this._fileNameWithoutExtension, i, this._fileExtension);
sb.Append(System.Environment.NewLine);
int pointY = iHeight * cropHeight;
int areaWidth = ((pointX + cropWidth) > imgWidth) ? (imgWidth - pointX) : cropWidth;
int areaHeight = ((pointY + cropHeight) > imgHeight) ? (imgHeight - pointY) : cropHeight;
string s = string.Format("{0};{1};{2};{3}", pointX, pointY, areaWidth, areaHeight);
areaList.Add(rect);
i++;
}
sb.Append("</tr>");
sb.Append(System.Environment.NewLine);
}
for (int iLoop = 0; iLoop < areaList.Count; iLoop++)
{
Rectangle rect = (Rectangle)areaList[iLoop];
Directory.CreateDirectory(this._fileDirectory + "images/");
string fileName = this._fileDirectory + "images/" + this._fileNameWithoutExtension + "_" + iLoop.ToString() + this._fileExtension;
Bitmap newBmp = new Bitmap(rect.Width, rect.Height, PixelFormat.Format24bppRgb);
Graphics newBmpGraphics = Graphics.FromImage(newBmp);
newBmpGraphics.DrawImage(inputImg, new Rectangle(0, 0, rect.Width, rect.Height), rect, GraphicsUnit.Pixel);
newBmpGraphics.Save();
switch (this._fileExtension.ToLower())
{
case ".jpg":
case ".jpeg":
newBmp.Save(fileName, ImageFormat.Jpeg);
break;
case "gif":
newBmp.Save(fileName, ImageFormat.Gif);
break;
}
return html;
}
/// <summary>
/// 文件保留到HTML文件
/// </summary>
/// <param name="path"></param>
/// <param name="contents"></param>
public void SavaFileToHtml(string path,string contents)
{
File.WriteAllText(path, contents);
}
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Drawing;
using System.Collections;
using System.Drawing.Imaging; public class CropImageManipulator
{
public CropImageManipulator()
{
}
// 不含扩展名的文件名
private string _fileNameWithoutExtension;
// 文件扩展名
private string _fileExtension;
// 文件所属的文件夹
private string _fileDirectory;
/// <summary>
/// 切分图片
/// </summary>
/// <param name="inputImgPath"></param>
/// <param name="cropWidth"></param>
/// <param name="cropHeight"></param>
/// <returns></returns>
public string Cropping(string inputImgPath, int cropWidth, int cropHeight)
{
this._fileNameWithoutExtension = System.IO.Path.GetFileNameWithoutExtension(inputImgPath);
this._fileExtension = System.IO.Path.GetExtension(inputImgPath);
this._fileDirectory = System.IO.Path.GetDirectoryName(inputImgPath);
// 装载要分隔的图片
Image inputImg = Image.FromFile(inputImgPath);
int imgWidth = inputImg.Width;
int imgHeight = inputImg.Height;
// 计算要分几格
int widthCount = (int)Math.Ceiling((imgWidth * 1.00) / (cropWidth * 1.00));
int heightCount = (int)Math.Ceiling((imgHeight * 1.00) / (cropHeight * 1.00));
//----------------------------------------------------------------------
ArrayList areaList = new ArrayList();
System.Text.StringBuilder sb
= new System.Text.StringBuilder();//sb.Append("<table cellpadding='0' cellspacing='0' border='[$border]'>");
sb.Append("<table cellpadding='0' cellspacing='0' border='0'>");
sb.Append(System.Environment.NewLine);
int i = 0;
for (int iHeight = 0; iHeight < heightCount; iHeight++)
{
sb.Append("<tr>");
sb.Append(System.Environment.NewLine);
for (int iWidth = 0; iWidth < widthCount; iWidth++)
{
string fileName = string.Format("<img src='images/{0}_{1}{2}' />", this._fileNameWithoutExtension, i, this._fileExtension);
sb.Append(
"<td>" + fileName + "</td>");sb.Append(System.Environment.NewLine);
int pointX = iWidth * cropWidth;
int pointY = iHeight * cropHeight;
int areaWidth = ((pointX + cropWidth) > imgWidth) ? (imgWidth - pointX) : cropWidth;
int areaHeight = ((pointY + cropHeight) > imgHeight) ? (imgHeight - pointY) : cropHeight;
string s = string.Format("{0};{1};{2};{3}", pointX, pointY, areaWidth, areaHeight);
Rectangle rect
= new Rectangle(pointX, pointY, areaWidth, areaHeight);areaList.Add(rect);
i++;
}
sb.Append("</tr>");
sb.Append(System.Environment.NewLine);
}
sb.Append(
"</table>");//----------------------------------------------------------------------
for (int iLoop = 0; iLoop < areaList.Count; iLoop++)
{
Rectangle rect = (Rectangle)areaList[iLoop];
Directory.CreateDirectory(this._fileDirectory + "images/");
string fileName = this._fileDirectory + "images/" + this._fileNameWithoutExtension + "_" + iLoop.ToString() + this._fileExtension;
Bitmap newBmp = new Bitmap(rect.Width, rect.Height, PixelFormat.Format24bppRgb);
Graphics newBmpGraphics = Graphics.FromImage(newBmp);
newBmpGraphics.DrawImage(inputImg, new Rectangle(0, 0, rect.Width, rect.Height), rect, GraphicsUnit.Pixel);
newBmpGraphics.Save();
switch (this._fileExtension.ToLower())
{
case ".jpg":
case ".jpeg":
newBmp.Save(fileName, ImageFormat.Jpeg);
break;
case "gif":
newBmp.Save(fileName, ImageFormat.Gif);
break;
}
}
inputImg.Dispose();
return html;
}
/// <summary>
/// 文件保留到HTML文件
/// </summary>
/// <param name="path"></param>
/// <param name="contents"></param>
public void SavaFileToHtml(string path,string contents)
{
File.WriteAllText(path, contents);
}
}
private void button1_Click(object sender, EventArgs e)
{
CropImageManipulator cim = new CropImageManipulator();
string str= cim.Cropping("c:/1.jpg", 500, 500);
cim.SavaFileToHtml("c:/1.htm", str);
}
{
CropImageManipulator cim = new CropImageManipulator();
string str= cim.Cropping("c:/1.jpg", 500, 500);
cim.SavaFileToHtml("c:/1.htm", str);
}