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前几天看了netnice和qzsage君的贴子，颇有启发，于是着手编了一个图像计数器，这个图像计数器没有用图像组件，也不是以前那样用几张图片拼起来，而是用了*.xbm的图片格式。这种格式可能只能在Windows+IE下才能显示。 详细的思路是这样: 图片用点阵的形式表示，比如2: 00111100 0011为3 1100为C 即0x3c 01100110 0110为6 0110为6 0x66 01100000 ....... 0x表示十六进制数。 01100000 依此类推 00110000 这是用二进制数得到的点阵，其中的1为显示一黑点，0不显示 00011000 是一个反着看的2 00001100 其余数字可自已排列点阵再二进制化为十六进制数 00000110 缺点是只有黑白两种颜色 00000110 显示出来是白底黑字，要显示黑底白字的话，对其取反就行了 01111110 下面是我"画"的0-9的数字 num.asp <% Dim a(10,10) a(0,1) = "0x3c" \\\'数字0 a(0,2) = "0x66" a(0,3) = "0xc3" a(0,4) = "0xc3" a(0,5) = "0xc3" a(0,6) = "0xc3" a(0,7) = "0xc3" a(0,8) = "0xc3" a(0,9) = "0x66" a(0,10)= "0x3c" a(1,1) = "0x18" \\\'数字1 a(1,2) = "0x1c" a(1,3) = "0x18" a(1,4) = "0x18" a(1,5) = "0x18" a(1,6) = "0x18" a(1,7) = "0x18" a(1,8) = "0x18" a(1,9) = "0x18" a(0,10)= "0x7e" a(2,1) = "0x3c" \\\'数字2 a(2,2) = "0x66" a(2,3) = "0x60" a(2,4) = "0x60" a(2,5) = "0x30" a(2,6) = "0x18" a(2,7) = "0x0c" a(2,8) = "0x06" a(2,9) = "0x06" a(2,10)= "0x7e" a(3,1) = "0x3c" \\\'数字3 a(3,2) = "0x66" a(3,3) = "0xc0" a(3,4) = "0x60" a(3,5) = "0x1c" a(3,6) = "0x60" a(3,7) = "0xc0" a(3,8) = "0xc0" a(3,9) = "0x66" a(3,10)= "0x38" a(4,1) = "0x38" \\\'数字4 a(4,2) = "0x3c" a(4,3) = "0x36" a(4,4) = "0x33" a(4,5) = "0x33" a(4,6) = "0x33" a(4,7) = "0xff" a(4,8) = "0x30" a(4,9) = "0x30" a(4,10)= "0xfe" a(5,1) = "0xfe" \\\'数字5 a(5,2) = "0xfe" a(5,3) = "0x06" a(5,4) = "0x06" a(5,5) = "0x3e" a(5,6) = "0x60" a(5,7) = "0xc0" a(5,8) = "0xc3" a(5,9) = "0x66" a(5,10)= "0x3c" a(6,1) = "0x60" \\\'数字6 a(6,2) = "0x30" a(6,3) = "0x18" a(6,4) = "0x0c" a(6,5) = "0x3e" a(6,6) = "0x63" a(6,7) = "0xc3" a(6,8) = "0xc3" a(6,9) = "0x66" a(6,10) ="0x3c" a(7,1) = "0xff" \\\'数字7 a(7,2) = "0xc0" a(7,3) = "0x60" a(7,4) = "0x30" a(7,5) = "0x18" a(7,6) = "0x18" a(7,7) = "0x18" a(7,8) = "0x18" a(7,9) = "0x18" a(7,10)= "0x18" a(8,1) = "0x3c" \\\'数字8 a(8,2) = "0x66" a(8,3) = "0xc3" a(8,4) = "0x66" a(8,5) = "0x3c" a(8,6) = "0x66" a(8,7) = "0xc3" a(8,8) = "0xc3" a(8,9) = "0x66" a(8,10)= "0x3c" a(9,1) = "0x3c" \\\'数字9 a(9,2) = "0x66" a(9,3) = "0xc3" a(9,4) = "0xc3" a(9,5) = "0x66" a(9,6) = "0x3c" a(9,7) = "0x18" a(9,8) = "0x0c" a(9,9) = "0x06" a(9,10)= "0x03" %> 显示的方式是: 1.先传出一个MIME: Response.ContentType = "image/x-xbitmap" 2.再传出一个c++的源程序,如显示2: #define counter_width 8 #define counter_height 10 static unsigned char counter_bits[] = { 0x3c,0x66,0x60,0x60,0x30,0x18,0x0c,0x06,0x06,0x7e }; 这样在浏览器上就显示出来一个8*10像素的2了 要显示两个或以上的数字的时候，须改动宽度的值(必须是图像点阵宽度的整数倍)，在count_bits[]数组的值排序如下： 比如显示 12 a(1,1), a(2,1), a(1,2), a(2,2)... a(1,10), a(2,10) 下面是详细计数器的例子: count.asp <!--#include file="num.asp"--> <% Dim Image Dim Width, Height Dim num Dim digtal Dim Length Dim sort Length = 10 \\\'自定计数器长度 Redim sort( Length ) num = 62275 \\\'计数器的值 digital = "" For I = 1 To Length -Len( num ) \\\'补0 digital = digital & "0" Next For I = 1 To Len( num ) digital = digital & Mid( num, I, 1 ) Next For I = 1 To Len( digital ) sort(I) = Mid( digital, I, 1 ) Next Width = 8 * Len( digital ) \\\'图像的宽度 Height = 10 \\\'图像的高度，在本例中为固定值 Response.ContentType="image/x-xbitmap" hc=chr(13) & chr(10) Image = "#define counter_width " & Width & hc Image = Image & "#define counter_height " & Height & hc Image = Image & "static unsigned char counter_bits[]={" & hc For I = 1 To Height For J = 1 To Length Image = Image & a(sort(J),I) & "," Next Next Image = Left( Image, Len( Image ) - 1 ) \\\'去掉最后一个逗号 Image = Image & "};" & hc Response.Write Image %> 好了,简朴的思路就是这样了,有什么错误的地方,还希望大家多多指正! 返回类别: 教程 上一教程: 利用SESSION限制重复操作的简朴方式 下一教程: 用ASP建立邮件列表 您可以阅读与"不用图像组件的ASP图像计数器"相关的教程: · 不能ASP图像组件来生成图像的ASP计数器程序(三) · 不能ASP图像组件来生成图像的ASP计数器程序(二) · 不能ASP图像组件来生成图像的ASP计数器程序(一) · 用ASP编写计数器的方式 · ASP制作多用户版计数器 |
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