利用ASP.NET寫一支透由圖片來產生文字排列圖片的程式

2008-04-05

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ASP.NET
2008-08-08

這個想法是小弟在讀書時期..教授用來追女朋友的idea....分享給大家呀...
如果是常常在家寫程式的人..沒時間陪女朋友....就做一個送女朋友呀...
在此要感謝提供美美測試照片的朋友..eVonne...

這個想法是小弟在讀書時期..教授用來追女朋友的idea....分享給大家呀...

如果是常常在家寫程式的人..沒時間陪女朋友....就做一個送女朋友呀...

在此要感謝提供美美測試照片的朋友..eVonne...

聽說越遠看越清楚喔...

eVonneImageProcess.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="eVonneImageProcess.aspx.cs" Inherits="eVonneImageProcess" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>eVonneImageProcess</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:RadioButtonList ID="RadioButtonList1" runat="server" RepeatDirection="Horizontal">
            <asp:ListItem Selected="True" Value="灰階">灰階</asp:ListItem>
            <asp:ListItem Value="彩色">彩色</asp:ListItem>
        </asp:RadioButtonList><asp:TextBox ID="TextBox1" runat="server">eVonne </asp:TextBox>
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="執行" />
        <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="TextBox1"
            ErrorMessage="字串不可以為空"></asp:RequiredFieldValidator><br />
        <asp:Image ID="Image1" runat="server" ImageUrl="~/evonne.jpg" /><br />
        <asp:Literal ID="Literal1" runat="server"></asp:Literal></div>
    </form>
</body>
</html>

eVonneImageProcess.aspx.cs

using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Text;

using System.Drawing;

public partial class eVonneImageProcess : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

}

protected void Button1_Click(object sender, EventArgs e)

{

StringBuilder sb = new StringBuilder();

//載入你要處理的圖片

Bitmap b = new Bitmap(Server.MapPath("evonne.jpg"));

int cnt = 0;

sb.Append("<pre>");

//x=x+2,如果產生的圖片太高可以調整這個,可以+1,+2,+3

for (int x = 0; x < b.Height; x = x + 2)

{

for (int y = 0; y < b.Width; y++)

{

Color pixel = b.GetPixel(y, x);

//顯示的格式可以自行調整

if (this.RadioButtonList1.SelectedIndex == 0)

{

sb.AppendFormat("<span style='background-color:black;'><font color='{0}'>{1}</font></span>", ColorTranslator.ToHtml(ToGray(pixel)), GetVal(cnt));

}

else

{

sb.AppendFormat("<span style='background-color:black;'><font color='{0}'>{1}</font></span>", ColorTranslator.ToHtml(pixel), GetVal(cnt));

}

cnt++;

}

sb.Append("<br/>");

}

sb.Append("</pre>");

this.Literal1.Text = sb.ToString();

}

protected string GetVal(int cnt)

{

char[] str = this.TextBox1.Text.ToCharArray();

return str[cnt % str.Length].ToString();

}

protected Color ToGray(Color pixel)

{

int val = (pixel.R + pixel.G + pixel.B) / 3;

return Color.FromArgb(val, val, val);

}

執行結果：

原始程式碼下載：evonne.rar

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