求 把图片+文字生成 图片的代码
在一个容器里面,也就有一块区域
然后用户可以在这个区域里面 输入文字,然后可以用鼠标或上下键 进行投放,想放那个地方,就放哪个地方(文字就比如:先写下标题,投放到标题的位置,再写入其他信息,放到想对应的地方),图片也是如此...
我的邮箱x_longfeng@163.com
[解决办法]
用图层,js脚本语言控制。
[解决办法]
下面是一个添加水印文字的： 看对你有帮助不
/// <summary>
/// 加水印文字
/// </summary>
/// <param name= "picture "> imge 对象 </param>
/// <param name= "_watermarkText "> 水印文字内容 </param>
/// <param name= "_watermarkPosition "> 水印位置 </param>
/// <param name= "_width "> 被加水印图片的宽 </param>
/// <param name= "_height "> 被加水印图片的高 </param>
private void addWatermarkText(Graphics picture, string _watermarkText, string _watermarkPosition, int _width, int _height)
{
int[] sizes = new int[] { 16, 14, 12, 10, 8, 6, 4 };
Font crFont = null;
SizeF crSize = new SizeF();
for (int i = 0; i < 7; i++)
{
crFont = new Font( "arial ", sizes[i], FontStyle.Bold);
crSize = picture.MeasureString(_watermarkText, crFont);
if ((ushort)crSize.Width < (ushort)_width)
break;
}
float xpos = 0;
float ypos = 0;
switch (_watermarkPosition)
{
case "WM_TOP_LEFT ":
xpos = ((float)_width * (float).01) + (crSize.Width / 2);
ypos = (float)_height * (float).01;
break;
case "WM_TOP_RIGHT ":
xpos = ((float)_width * (float).99) - (crSize.Width / 2);
ypos = (float)_height * (float).01;
break;
case "WM_BOTTOM_RIGHT ":
xpos = ((float)_width * (float).99) - (crSize.Width / 2);
ypos = ((float)_height * (float).99) - crSize.Height;
break;
case "WM_BOTTOM_LEFT ":
xpos = ((float)_width * (float).01) + (crSize.Width / 2);
ypos = ((float)_height * (float).99) - crSize.Height;
break;
}
StringFormat StrFormat = new StringFormat();
StrFormat.Alignment = StringAlignment.Center;
SolidBrush semiTransBrush2 = new SolidBrush(Color.FromArgb(153, 0, 0, 0));
picture.DrawString(_watermarkText, crFont, semiTransBrush2, xpos + 1, ypos + 1, StrFormat);
SolidBrush semiTransBrush = new SolidBrush(Color.FromArgb(153, 255, 255, 255));
picture.DrawString(_watermarkText, crFont, semiTransBrush, xpos, ypos, StrFormat);
semiTransBrush2.Dispose();
semiTransBrush.Dispose();
}
[解决办法]
<%@ Page language= "C# " %>
<%@ Import Namespace= "System.Web " %>
<%@ Import Namespace= "System.Drawing " %>
<%@ Import Namespace= "System.Drawing.Imaging " %>
<script runat= "server " language= "C# ">
public static bool ChkCH(char c)
{
string Digit = "1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXYZ-_ ";
if (Digit.IndexOf(c, 0) != -1)
{
return true;
}
return false;
}
void Page_Load(Object sender, EventArgs e)
{
HttpContext context = HttpContext.Current;
int charsNo = 5;
int fontSize = 30;
int bgWidth = 400;
int bgHeight =300;
// Get params from QueryString
//
fontSize = Spaces.SpacesContext.GetIntFromQueryString(context, "FontSize ");
bgWidth = Spaces.SpacesContext.GetIntFromQueryString(context, "ImgWidth ");
bgHeight = Spaces.SpacesContext.GetIntFromQueryString(context, "ImgHeight ");
// Load defaults if params are empty
//
if(fontSize == -1) fontSize = 32;
if (bgWidth == -1) bgWidth = 400;
if (bgHeight == -1) bgHeight = 300;
float x = 110;//(bgWidth - (charsNo * (fontSize + 0.5F))) / 2; // TODO: optimize
float y = 100;//(bgHeight - (fontSize * 1.7F)) / 2; // TODO: optimize
// Generate the text
//
string genText = GetUserName(this.Request);
// Add the generate text to a session variable
//
//Session.Add( "Verify ", genText);
// Create the memory map
//
Bitmap raster;
System.Drawing.Imaging.PixelFormat pixFormat = System.Drawing.Imaging.PixelFormat.Format32bppArgb;
// Select an memory image from file of 290x80 px
// in the current dir, NoSpamBgImgs folder named bg_X.jpg
//
Graphics graphicObj;
// string bgFilePath = context.Server.MapPath(@ ".\AntiSpamBgImgs\bg_ " + new Random().Next(5) + ".jpg ");
string bgFilePath = context.Server.MapPath(@ ".\zq\zq.jpg ");
System.Drawing.Image imgObj = System.Drawing.Image.FromFile(bgFilePath);
// Creating the raster image & graphic objects
//
raster = new Bitmap(imgObj, bgWidth, bgHeight);
graphicObj = Graphics.FromImage(raster);
// Creating an array for most readable yet cryptic fonts for OCR 's
// This is entirely up to developer 's discretion
// CAPTCHA recomandation
//
String[] crypticFonts = new String[10];
crypticFonts [0] = "Arial ";
crypticFonts [1] = "Verdana ";
crypticFonts [2] = "Comic Sans MS ";
crypticFonts [3] = "Impact ";
crypticFonts [4] = "Haettenschweiler ";
crypticFonts [5] = "Lucida Sans Unicode ";
crypticFonts [6] = "Garamond ";
crypticFonts [7] = "Courier New ";
crypticFonts [8] = "Book Antiqua ";
crypticFonts [9] = "Arial Narrow ";
// Instantiate object of brush with black color
//
SolidBrush[] brushes = new SolidBrush[1];
brushes [0] = new SolidBrush(Color.Black);
// Loop to write the characters on image with different fonts
// CAPTCHA method
//
FontFamily ff = new FontFamily( "Comic Sans MS ");// new FontFamily( "汉鼎繁颜体 ");
Font fontObj = new Font(ff, fontSize,FontStyle.Regular, GraphicsUnit.Pixel);
for(int a = 0; a < genText.Length; a++) {
//new Font(crypticFonts[new Random().Next(a)], fontSize);
//fontObj.Style = FontStyle.Bold;
if (ChkCH(genText[a]))
fontObj = new Font( "Arial ",fontSize);
else
fontObj = new Font(ff, fontSize, FontStyle.Regular, GraphicsUnit.Pixel);
graphicObj.DrawString(genText.Substring(a, 1), fontObj, brushes[0], x + (a * fontSize), y);
}
// Flush again
//
graphicObj.Flush();
// Setting the response header content MIME type
//
context.Response.ContentType = "image/jpeg ";
// Saving the file to output stream to be displayed in browser
//
raster.Save(context.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);
// Flushing to the Response
//
context.Response.Flush();
}
public static string GetUserName(HttpRequest req)
{
string name=req.QueryString[ "n "];
if (name == null)
return "潇笑： ";
if (name.Trim() == string.Empty) return string.Empty;
return name+ "： ";
}
public static String CreateTemporaryPassword(int length) {
string strTempPassword = Guid.NewGuid().ToString( "N ");
strTempPassword = strTempPassword.Replace( "0 ", " ");
strTempPassword = strTempPassword.Replace( "O ", " ");
for(int i = 0; i < (length / 32); i++) {
strTempPassword += Guid.NewGuid().ToString( "N ");
}
return strTempPassword.Substring(0, length);
}
</script>
代码较乱，不好意思。
copy下来，设置背景图后就可以用了，字体换成你机器上存在的字体,有些垃圾代码，自行清理
[解决办法]
和生成水印的原理差不多
http://www.51aspx.com/CV/ImageUpload
[解决办法]
http://photo.joyes.com/
登录后 返回相册
进入我的相册 建一个相册 传一张图片
然后选择 彩图DIY