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好几天没上QQ了，今天上了个QQ，，额....额...貌似消息还挺多，没及时回复的还请见谅~~刚好昨天无聊把水印这快封装出来了，支持图片水印，文字水印，索引图水印和非索引图水印，支持位置选择（9个位置 ==》[X]）。好吧不高兴屁话了，软件是WPF的（只满足我的需求，如果有需要可以出第个二版本），水印核心代码封装了个Helper类（通用：支持Winform，WPF，Web，WP，Win10）软件共享一下==>http://pan.baidu.com/s/1qWDwv4C 源码看下面
水印类
/// <summary>
/// 水印类（重要参数：原图类型，水印类型，水印位置，图片水印路径，文字水印内容）
/// </summary>
public class WaterMark
{
#region 基础属性设置
private string _photoType;
/// <summary>
/// 原图类型
/// </summary>
public string PhotoType
{
get { return _photoType; }
set { _photoType = value; }
}
private WaterMarkTypeEnum _waterMarkType = WaterMarkTypeEnum.NoneMark;
/// <summary>
/// 水印类型
/// </summary>
public WaterMarkTypeEnum WaterMarkType
{
get { return _waterMarkType; }
set { _waterMarkType = value; }
}
#endregion
#region 水印效果设置
private WaterMarkLocationEnum _waterMarkLocation = WaterMarkLocationEnum.BottomRight;
/// <summary>
/// 水印位置
/// </summary>
public WaterMarkLocationEnum WaterMarkLocation
{
get { return _waterMarkLocation; }
set { _waterMarkLocation = value; }
}
private float _transparency = 0.7f;
/// <summary>
/// 水印透明度
/// </summary>
public float Transparency
{
get { return _transparency; }
set { _transparency = value; }
}
#endregion
#region 图片水印设置
private string _imgPath;
/// <summary>
/// 图片水印路径
/// </summary>
public string ImgPath
{
get { return _imgPath; }
set { _imgPath = value; }
}
#endregion
#region 文字水印设置
private string _text = "dunitian";
/// <summary>
/// 文字水印内容
/// </summary>
public string Text
{
get { return _text; }
set { _text = value; }
}
private string _fontFamily = "微软雅黑";
/// <summary>
/// 文字字体
/// </summary>
public string FontFamily
{
get { return _fontFamily; }
set { _fontFamily = value; }
}
private Brush _brushesColor = Brushes.Black;
/// <summary>
/// 文字颜色
/// </summary>
public Brush BrushesColor
{
get { return _brushesColor; }
set { _brushesColor = value; }
}
private FontStyle _fontStyle = FontStyle.Regular;
/// <summary>
/// 字体样式
/// </summary>
public FontStyle FontStyle
{
get { return _fontStyle; }
set { _fontStyle = value; }
}
private float _fontSize = 14f;
/// <summary>
/// 字体大小
/// </summary>
public float FontSize
{
get { return _fontSize; }
set { _fontSize = value; }
}
#endregion
}
水印位置枚举
/// <summary>
/// 水印位子
/// </summary>
public enum WaterMarkLocationEnum
{
/// <summary>
/// 顶部居左
/// </summary>
TopLeft = 1,
/// <summary>
/// 顶部居中
/// </summary>
TopCenter = 2,
/// <summary>
/// 顶部居右
/// </summary>
TopRight = 3,
/// <summary>
/// 中部居左
/// </summary>
CenterLeft = 4,
/// <summary>
/// 中部居中
/// </summary>
CenterCenter = 5,
/// <summary>
/// 中部居右
/// </summary>
CenterRight = 6,
/// <summary>
/// 底部居左
/// </summary>
BottomLeft = 7,
/// <summary>
/// 底部居左
/// </summary>
BottomCenter = 8,
/// <summary>
/// 底部居左
/// </summary>
BottomRight = 9,
}
水印类型枚举
/// <summary>
/// 水印类型
/// </summary>
public enum WaterMarkTypeEnum
{
/// <summary>
/// 文字
/// </summary>
Text = 1,
/// <summary>
/// 图片
/// </summary>
Image = 2,
/// <summary>
/// 无水印
/// </summary>
NoneMark = 3
}
水印帮助类（自己封装的，有bug可以像我反馈）
/// <summary>
/// 水印帮助类
/// </summary>
public class WaterMarkHelper
{
#region 设置水印
/// <summary>
/// 设置水印
/// </summary>
/// <param name="imgPath"></param>
/// <param name="model"></param>
/// <returns></returns>
public static Image SetWaterMark(string imgPath, WaterMark model)
{
//获取背景图
Image imgSource = Image.FromFile(imgPath);
//获取水印图片
Image markImg = null;
//水印检验（文字，图片[路径下是否存在图片]）
#region 水印校验+水印处理
if (model == null)
{
return null;
}
//看看原图是否存在
if (!System.IO.File.Exists(imgPath))
{
return null;
}
//根据水印类型校验+水印处理
switch (model.WaterMarkType)
{
case WaterMarkAPP.Enums.WaterMarkTypeEnum.Text:
if (string.IsNullOrEmpty(model.Text))
{
return null;
}
else
{
markImg = TextToImager(model);//水印处理-如果是文字就转换成图片
}
break;
case WaterMarkAPP.Enums.WaterMarkTypeEnum.Image:
if (!System.IO.File.Exists(model.ImgPath))
{
return null;
}
else
{
//获得水印图像
markImg = Image.FromFile(model.ImgPath);
}
break;
case WaterMarkAPP.Enums.WaterMarkTypeEnum.NoneMark:
return imgSource;
}
#endregion
#region 创建颜色矩阵
//创建颜色矩阵
float[][] ptsArray ={
new float[] {1, 0, 0, 0, 0},
new float[] {0, 1, 0, 0, 0},
new float[] {0, 0, 1, 0, 0},
new float[] {0, 0, 0, model.Transparency, 0}, //注意：0.0f为完全透明，1.0f为完全不透明
new float[] {0, 0, 0, 0, 1}};
ColorMatrix colorMatrix = new ColorMatrix(ptsArray);
//新建一个Image属性
ImageAttributes imageAttributes = new ImageAttributes();
//将颜色矩阵添加到属性
imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Default);
#endregion
//原图格式检验+水印
#region 原图格式检验+水印
//判断是否是索引图像格式
if (imgSource.PixelFormat == PixelFormat.Format1bppIndexed || imgSource.PixelFormat == PixelFormat.Format4bppIndexed || imgSource.PixelFormat == PixelFormat.Format8bppIndexed)
{
#region 索引图片,转成位图再加图片
//转成位图,这步很重要
Bitmap bitmap = new Bitmap(imgSource.Width, imgSource.Height);
Graphics graphic = Graphics.FromImage(bitmap);
#region 缩放处理
//如果原图小于水印图片 等比缩放水印图
if (markImg.Width >= imgSource.Width || markImg.Height >= imgSource.Height)
{
markImg = ImageShrink(imgSource, markImg);
}
#endregion
#region 水印位置
//水印位置
int x;
int y;
WaterMarkLocations(model, imgSource, markImg, out x, out y);
#endregion
//将原图画在位图上
graphic.DrawImage(imgSource, new Point(0, 0));
//将水印加在位图上
graphic.DrawImage(markImg, new Rectangle(x, y, markImg.Width, markImg.Height), 0, 0, markImg.Width, markImg.Height, GraphicsUnit.Pixel, imageAttributes);
graphic.Dispose();
return bitmap;
#endregion
}
else
{
#region 非索引图片,直接在上面加上水印
Graphics graphic = Graphics.FromImage(imgSource);
#region 缩放处理
//如果原图小于水印图片 等比缩放水印图
if (markImg.Width >= imgSource.Width || markImg.Height >= imgSource.Height)
{
markImg = ImageShrink(imgSource, markImg);
}
#endregion
#region 水印位置
//水印位置
int x;
int y;
WaterMarkLocations(model, imgSource, markImg, out x, out y);
#endregion
//将水印加在原图上
graphic.DrawImage(markImg, new Rectangle(x, y, markImg.Width, markImg.Height), 0, 0, markImg.Width, markImg.Height, GraphicsUnit.Pixel, imageAttributes);
graphic.Dispose();
return imgSource;
#endregion
}
#endregion
}
#endregion
#region 水印处理-文字转图片
/// <summary>
/// 水印处理-文字转图片
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
private static Image TextToImager(WaterMark model)
{
Font f = new Font(model.FontFamily, model.FontSize, model.FontStyle);
Bitmap fbitmap = new Bitmap(Encoding.GetEncoding("GBK").GetByteCount(model.Text) / 2 * f.Height, f.Height);
Graphics gh = Graphics.FromImage(fbitmap);//创建一个画板;
gh.SmoothingMode = SmoothingMode.AntiAlias;
gh.DrawString(model.Text, f, model.BrushesColor, 0, 0);//画字符串
return fbitmap as Image;
}
#endregion
#region 水印位置
/// <summary>
/// 水印位置
/// </summary>
/// <param name="model"></param>
/// <param name="imgSource"></param>
/// <param name="markImg"></param>
/// <param name="x"></param>
/// <param name="y"></param>
private static void WaterMarkLocations(WaterMark model, Image imgSource, Image markImg, out int x, out int y)
{
x = 0;
y = 0;
switch (model.WaterMarkLocation)
{
case WaterMarkLocationEnum.TopLeft:
x = 0;
y = 0;
break;
case WaterMarkLocationEnum.TopCenter:
x = imgSource.Width / 2 - markImg.Width / 2;
y = 0;
break;
case WaterMarkLocationEnum.TopRight:
x = imgSource.Width - markImg.Width;
y = 0;
break;
case WaterMarkLocationEnum.CenterLeft:
x = 0;
y = imgSource.Height / 2 - markImg.Height / 2;
break;
case WaterMarkLocationEnum.CenterCenter:
x = imgSource.Width / 2 - markImg.Width / 2;
y = imgSource.Height / 2 - markImg.Height / 2;
break;
case WaterMarkLocationEnum.CenterRight:
x = imgSource.Width - markImg.Width;
y = imgSource.Height / 2 - markImg.Height / 2;
break;
case WaterMarkLocationEnum.BottomLeft:
x = 0;
y = imgSource.Height - markImg.Height;
break;
case WaterMarkLocationEnum.BottomCenter:
x = imgSource.Width / 2 - markImg.Width / 2;
y = imgSource.Height - markImg.Height;
break;
case WaterMarkLocationEnum.BottomRight:
x = imgSource.Width - markImg.Width;
y = imgSource.Height - markImg.Height;
break;
}
}
#endregion
#region 缩放水印
/// <summary>
/// 等比缩放水印图（缩小到原图的1/3）
/// </summary>
/// <param name="imgSource"></param>
/// <param name="successImage"></param>
/// <returns></returns>
private static Image ImageShrink(Image imgSource, Image markImg)
{
int w = 0;
int h = 0;
Image.GetThumbnailImageAbort callb = null;
//对水印图片生成缩略图,缩小到原图的1/3(以短的一边为准)
if (imgSource.Width < imgSource.Height)
{
w = imgSource.Width / 3;
h = markImg.Height * w / markImg.Width;
}
else
{
h = imgSource.Height / 3;
w = markImg.Width * h / markImg.Height;
}
markImg = markImg.GetThumbnailImage(w, h, callb, new System.IntPtr());
return markImg;
}
#endregion
}
简单调用：
文字水印调用：
/// <summary>
/// 文字水印调用
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Button_Click(object sender, RoutedEventArgs e)
{
//给水印对象赋对应的值
WaterMark waterMark = new WaterMark();
waterMark.WaterMarkType = Enums.WaterMarkTypeEnum.Text;
waterMark.Transparency = 0.7f;
waterMark.Text = "dunitian.cnblogs.com";
waterMark.FontStyle = System.Drawing.FontStyle.Bold;
waterMark.FontFamily = "Consolas";
waterMark.FontSize = 20f;
waterMark.BrushesColor = System.Drawing.Brushes.YellowGreen;
waterMark.WaterMarkLocation = Enums.WaterMarkLocationEnum.CenterCenter;
//调用
Image successImage = WaterMarkHelper.SetWaterMark("text.png", waterMark);
//保存
successImage.Save("text1.png", System.Drawing.Imaging.ImageFormat.Png);
MessageBox.Show("请查看软件根目录", "成功");
}
图片水印调用：
/// <summary>
/// 图片水印调用
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Button_Click_1(object sender, RoutedEventArgs e)
{
//给水印对象赋对应的值
WaterMark waterMark = new WaterMark();
waterMark.WaterMarkType = Enums.WaterMarkTypeEnum.Image;
waterMark.ImgPath = "水印.png";
waterMark.WaterMarkLocation = Enums.WaterMarkLocationEnum.CenterCenter;
waterMark.Transparency = 0.7f;
//调用
Image successImage = WaterMarkHelper.SetWaterMark("text.png", waterMark);
//保存
successImage.Save("text2.png", System.Drawing.Imaging.ImageFormat.Png);
MessageBox.Show("请查看软件根目录","成功");
}
软件源码：（helper类不是最新，用上文的helper类）
(调用部分我做了一个通用apidemo)==>http://pan.baidu.com/s/1gd1300z
namespace WaterMarkAPP
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
#region 按钮事件
/// <summary>
/// 单文水印
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void BtnFont_Click(object sender, RoutedEventArgs e)
{
WaterMark waterMark = WaterMarkFont();
DIVWaterMark(waterMark);
}
/// <summary>
/// 批文水印
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void BtnFonts_Click(object sender, RoutedEventArgs e)
{
WaterMark waterMark = WaterMarkFont();
DIVWaterMarks(waterMark);
}
/// <summary>
/// 单图水印
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void BtnImage_Click(object sender, RoutedEventArgs e)
{
WaterMark waterMark = WaterMarkImage();
DIVWaterMark(waterMark);
}
/// <summary>
/// 批图水印
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void BtnImages_Click(object sender, RoutedEventArgs e)
{
WaterMark waterMark = WaterMarkImage();
DIVWaterMarks(waterMark);
}
#endregion
#region 关闭程序
/// <summary>
/// 关闭程序
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Button_Click(object sender, RoutedEventArgs e)
{
Environment.Exit(0);
}
#endregion
#region 窗体拖动
/// <summary>
/// 窗体拖动
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DragWindow(object sender, MouseButtonEventArgs e)
{
if (e.LeftButton == MouseButtonState.Pressed)
{
DragMove();
}
}
#endregion
#region 版权系列
private void TextBlock_MouseLeave(object sender, MouseEventArgs e)
{
Process.Start("http://dunitian.cnblogs.com/");
}
private void TextBlock_MouseLeave_1(object sender, MouseEventArgs e)
{
Process.Start("http://tieba.baidu.com/f?kw=毒逆天");
}
private void TextBlock_MouseLeave_2(object sender, MouseEventArgs e)
{
Process.Start("http://1054186320.qzone.qq.com/");
}
#endregion
#region 软件代码（水印核心代码请看Helper类,最简洁的调用请看APIDemo文件夹里面的内容）
#region 水印预设
/// <summary>
/// 水印文字预设
/// </summary>
/// <returns></returns>
private static WaterMark WaterMarkFont()
{
WaterMark waterMark = new WaterMark();
waterMark.WaterMarkType = Enums.WaterMarkTypeEnum.Text;
waterMark.Transparency = 0.7f;
waterMark.Text = "dunitian.cnblogs.com";
waterMark.FontStyle = System.Drawing.FontStyle.Bold;
waterMark.FontFamily = "Consolas";
waterMark.FontSize = 20f;
waterMark.BrushesColor = System.Drawing.Brushes.YellowGreen;
waterMark.WaterMarkLocation = Enums.WaterMarkLocationEnum.CenterCenter;
return waterMark;
}
/// <summary>
/// 图片水印预设
/// </summary>
/// <returns></returns>
private static WaterMark WaterMarkImage()
{
WaterMark waterMark = new WaterMark();
waterMark.WaterMarkType = Enums.WaterMarkTypeEnum.Image;
waterMark.ImgPath = "水印.png";
waterMark.WaterMarkLocation = Enums.WaterMarkLocationEnum.BottomRight;
waterMark.Transparency = 0.7f;
return waterMark;
}
#endregion
#region 水印操作
/// <summary>
/// 单个水印操作
/// </summary>
/// <param name="waterMark"></param>
private static void DIVWaterMark(WaterMark waterMark)
{
#region 必须参数获取
OpenFileDialog dialog = new OpenFileDialog
{
Filter = "png(*.png)|*.png|jpg(*.jpg)|*.jpg|bmp(*.bmp)|*.bmp|gif(*.gif)|*.gif|jpeg(*.jpeg)|*.jpeg",
Title = "打开一张图片"
};
if (dialog.ShowDialog() != true)
{
return;
}
//图片路径
string filePath = dialog.FileName;
//文件名
string fileName = System.IO.Path.GetFileNameWithoutExtension(filePath);
//图片所处目录
string dirPath = System.IO.Path.GetDirectoryName(filePath);
//存放目录
string savePath = dirPath + "\\DNTWaterMark";
//是否存在，不存在就创建
if (!Directory.Exists(savePath))
{
Directory.CreateDirectory(savePath);
}
#endregion
#region 水印操作
Image successImage = WaterMarkHelper.SetWaterMark(filePath, waterMark);
if (successImage != null)
{
//保存图片（不管打不打开都保存）
successImage.Save(savePath + "\\" + fileName + ".png", System.Drawing.Imaging.ImageFormat.Png);
//是否打开目录
MessageBoxResult result = MessageBox.Show("水印成功！是否打开目录？", "逆天友情提醒", MessageBoxButton.YesNo);
if (result == MessageBoxResult.Yes)
{
System.Diagnostics.Process.Start("explorer.exe ", savePath);//打开保存后的路径
}
}
else
{
MessageBox.Show("水印失败！请检查原图和水印图！", "逆天友情提醒");
}
#endregion
}
/// <summary>
/// 批量水印操作
/// </summary>
/// <param name="waterMark"></param>
private void DIVWaterMarks(WaterMark waterMark)
{
System.Windows.Forms.FolderBrowserDialog dialog = new System.Windows.Forms.FolderBrowserDialog
{
Description = "选择你要批量水印的图片目录"
};
if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
string[] files = Directory.GetFiles(dialog.SelectedPath);
if (files.Length <= 0)
{
return;
}
#region 存储专用
//图片所处目录
string dirPath = System.IO.Path.GetDirectoryName(files[0]);
//存放目录
string savePath = dirPath + "\\DNTWaterMark";
//是否存在，不存在就创建
if (!Directory.Exists(savePath))
{
Directory.CreateDirectory(savePath);
}
#endregion
int num = 0;//计数用
foreach (string filePath in files)
{
//文件名
string fileName = System.IO.Path.GetFileNameWithoutExtension(filePath);
Image successImage = WaterMarkHelper.SetWaterMark(filePath, waterMark);
if (successImage != null)
{
//保存图片
successImage.Save(savePath + "\\" + fileName + ".png", System.Drawing.Imaging.ImageFormat.Png);
num++;
}
}
//是否打开目录
MessageBoxResult result = MessageBox.Show("逆天友情提醒：已转换 " + num + " 张图片~是否打开目录？", "转换状态", MessageBoxButton.YesNo);
if (result == MessageBoxResult.Yes)
{
System.Diagnostics.Process.Start("explorer.exe ", savePath);//打开保存后的路径
}
}
}
#endregion
#endregion
}
}
<Window x:Class="WaterMarkAPP.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="水印工具" Height="545" Width="298" Background="Transparent" AllowsTransparency="True"
WindowStyle="None" WindowStartupLocation="CenterScreen" MouseLeftButtonDown="DragWindow" Icon="1.ico">
<!--快乐玩耍：DIV一个手机-->
<!--手机整体-->
<Border BorderBrush="Green"
Background="Black"
BorderThickness="4"
CornerRadius="10,10,10,10">
<Grid>
<!--主屏幕-->
<Border BorderBrush="Gray"
BorderThickness="2"
Margin="10,50,10,40">
<Grid Background="#FF151515">
<Grid.RowDefinitions>
<RowDefinition></RowDefinition>
<RowDefinition></RowDefinition>
<RowDefinition></RowDefinition>
<RowDefinition></RowDefinition>
<RowDefinition></RowDefinition>
<RowDefinition></RowDefinition>
<RowDefinition></RowDefinition>
</Grid.RowDefinitions>
<TextBlock FontFamily="微软雅黑">对不起，系统已挂请联系逆天重装Win10！</TextBlock>
<Button Grid.Row="1" Opacity="0.6" HorizontalAlignment="Center" VerticalAlignment="Center" Height="50" Width="100" Click="BtnFont_Click">单文水印</Button>
<Button Grid.Row="2" Opacity="0.6" HorizontalAlignment="Center" VerticalAlignment="Center" Height="50" Width="100" Click="BtnImage_Click">单图水印</Button>
<Button Grid.Row="3" Opacity="0.6" HorizontalAlignment="Center" VerticalAlignment="Center" Height="50" Width="100" Click="BtnFonts_Click">批文水印</Button>
<Button Grid.Row="4" Opacity="0.6" HorizontalAlignment="Center" VerticalAlignment="Center" Height="50" Width="100" Click="BtnImages_Click">批图水印</Button>
<Button Grid.Row="5" Opacity="0.6" HorizontalAlignment="Center" VerticalAlignment="Center" Height="50" Width="100" Click="Button_Click">关闭程序</Button>
</Grid>
</Border>
<!--底部-->
<Border BorderBrush="Black"
BorderThickness="2"
CornerRadius="0,0,10,10"
VerticalAlignment="Bottom"
Height="40">
<!--底部按键-->
<Grid>
<TextBlock Text="毒" HorizontalAlignment="Left" VerticalAlignment="Center" Margin="80,0,0,0" Width="20" Foreground="Gray" MouseLeave="TextBlock_MouseLeave" />
<TextBlock Text="逆" HorizontalAlignment="Center" VerticalAlignment="Center" Width="20" Foreground="Gray" MouseLeave="TextBlock_MouseLeave_1"/>
<TextBlock Text="天" HorizontalAlignment="Right" VerticalAlignment="Center" Margin="0,0,80,0" Width="20" Foreground="Gray" MouseLeave="TextBlock_MouseLeave_2"/>
</Grid>
</Border>
</Grid>
</Border>
</Window>
效果：
源码下载：http://pan.baidu.com/s/1gd1300z
逆天通用水印支持Winform，WPF，Web，WP，Win10。支持位置选择（9个位置 ==》[X]）
标签：
原文地址：http://www.cnblogs.com/dunitian/p/4939369.html
