Asp output bmp

Asp output bmp
[12:04:25 | Author: flashsoft]
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<%
Call Com_CreatValidCode ("ValidCode ")

Sub Com_CreatValidCode (pSN)

'Author: Layen
'Qq: 84815733
'E-mail: support@ssaw.net

'Prohibit caching
Response. Expires =-9999
Response. AddHeader "Pragma", "no-cache"
Response. AddHeader "cache-ctrol", "no-cache"
Response. ContentType = "Image/BMP"

Randomize

Dim I, ii, iii

Const cOdds = 8' probability of occurrence of miscellaneous
Const cAmount = 36' text count
Const cCode = "0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ"

'Color data (character, background)
Dim vColorData (1)
VColorData (0) = ChrB (0) & ChrB (0) & ChrB (0) 'Blue 0, green 0, red 0 (black)
VColorData (1) = ChrB (250) & ChrB (236) & ChrB (211) 'Blue 250, green 236, red 211 (light blue)

'Randomly generated characters
Dim vCode (4), vCodes
For I = 0 To 3
VCode (I) = Int (Rnd * cAmount)
VCodes = vCodes & Mid (cCode, vCode (I) + 1, 1)
Next

Session (pSN) = vCodes 'record the Session

'Character data
Dim vNumberData (35)
VNumberData (0) = "1110000111110111101111011110111101001011110100101111010010111101001011110111101111011110111110000111"
VNumberData (1) = "1111011111110001111111110111111111011111111101111111110111111111011111111101111111110111111100000111"
VNumberData (2) = "1110000111110111101111011110111111111011111111011111111011111111011111111011111111011110111100000011"
VNumberData (3) = "1110000111110111101111011110111111110111111100111111111101111111111011110111101111011110111110000111"
VNumberData (4) = "1111101111111110111111110011111110101111110110111111011011111100000011111110111111111011111111000011"
VNumberData (5) = "1100000011110111111111011111111101000111110011101111111110111111111011110111101111011110111110000111"
VNumberData (6) = "1111000111111011101111011111111101111111110100011111001110111101111011110111101111011110111110000111"
VNumberData (7) = "1100000011110111011111011101111111101111111110111111110111111111011111111101111111110111111111011111"
VNumberData (8) = "1110000111110111101111011110111101111011111000011111101101111101111011110111101111011110111110000111"
VNumberData (9) = "1110001111110111011111011110111101111011110111001111100010111111111011111111101111011101111110001111"
VNumberData (10) = "1111011111111101111111101011111110101111111010111111101011111100000111110111011111011101111000100011"
VNumberData (11) = "1000000111110111101111011110111101110111110000111111011101111101111011110111101111011110111000000111"
VNumberData (12) = "1110000011110111101110111110111011111111101111111110111111111011111111101111101111011101111110001111"
VNumberData (13) = "1000001111110111011111011110111101111011110111101111011110111101111011110111101111011101111000001111"
VNumberData (14) = "1000000111110111101111011011111101101111110000111111011011111101101111110111111111011110111000000111"
VNumberData (15) = "1000000111110111101111011011111101101111110000111111011011111101101111110111111111011111111000111111"
VNumberData (16) = "1110000111110111011110111101111011111111101111111110111111111011100011101111011111011101111110001111"
VNumberData (17) = "1000100011110111011111011101111101110111110000011111011101111101110111110111011111011101111000100011"
VNumberData (18) = "1100000111111101111111110111111111011111111101111111110111111111011111111101111111110111111100000111"
VNumberData (19) = "1110000011111110111111111011111111101111111110111111111011111111101111111110111110111011111000011111"
VNumberData (20) = "1000100011110111011111011011111101011111110001111111010111111101101111110110111111011101111000100011"
VNumberData (21) = "1000111111110111111111011111111101111111110111111111011111111101111111110111111111011110111000000011"
VNumberData (22) = "1000100011110010011111001001111100100111110101011111010101111101010111110101011111010101111001010011"
VNumberData (23) = "1000100011110011011111001101111101010111110101011111010101111101100111110110011111011001111000110111"
VNumberData (24) = "1110001111110111011110111110111011111011101111101110111110111011111011101111101111011101111110001111"
VNumberData (25) = "1000000111110111101111011110111101111011110000011111011111111101111111110111111111011111111000111111"
VNumberData (26) = "1110001111110111011110111110111011111011101111101110111110111011111011101001101111011001111110001011"
VNumberData (27th) = "1000001111110111011111011101111101110111110000111111010111111101101111110110111111011101111000110011"
VNumberData (28) = "1110000011110111101111011110111101111111111001111111111001111111111011110111101111011110111100000111"
VNumberData (29) = "1000000011101101101111110111111111011111111101111111110111111111011111111101111111110111111110001111"
VNumberData (30) = "1000100011110111011111011101111101110111110111011111011101111101110111110111011111011101111110001111"
VNumberData (31) = "1000100011110111011111011101111101110111111010111111101011111110101111111010111111110111111111011111"
VNumberData (32) = "1001010011110101011111010101111101010111110101011111001001111110101111111010111111101011111110101111"
VNumberData (33) = "1000100011110111011111101011111110101111111101111111110111111110101111111010111111011101111000100011"
VNumberData (34) = "1000100011110111011111011101111110101111111010111111110111111111011111111101111111110111111110001111"
VNumberData (35) = "1100000011110111011111111101111111101111111110111111110111111111011111111011111111101110111100000011"

'Output image file headers
Response. binaryWrite ChrB (66) & ChrB (77) & ChrB (230) & ChrB (4) & ChrB (0) & ChrB (0) & ChrB (0) & ChrB (0) &_
ChrB (0) & ChrB (0) & ChrB (54) & ChrB (0) & ChrB (0) & ChrB (0) & ChrB (40) & ChrB (0) &_
ChrB (0) & ChrB (0) & ChrB (40) & ChrB (0) & ChrB (0) & ChrB (0) & ChrB (10) & ChrB (0) &_
ChrB (0) & ChrB (0) & ChrB (1) & ChrB (0)

'Output Image Information Headers
Response. binaryWrite ChrB (24) & ChrB (0) & ChrB (0) & ChrB (0) & ChrB (0) & ChrB (0) & chrb( 176) & ChrB (4) &_
ChrB (0) & ChrB (0) & ChrB (18) & ChrB (11) & ChrB (0) & ChrB (0) & ChrB (18) & ChrB (11) &_
ChrB (0) & ChrB (0) & ChrB (0) & ChrB (0) & ChrB (0) & ChrB (0) & ChrB (0) & ChrB (0) &_
ChrB (0) & ChrB (0)

For I = 9 To 0 Step-1 'goes through all rows
For ii = 0 To 3' goes through all words
For iii = 1 To 10' goes through all pixels
'Output image data row by row, word by word, and pixel by Pixel
If Rnd * 99 + 1 <cOdds then' random generation of miscellaneous
Response. BinaryWrite vColorData (0)
Else
Response. BinaryWrite vColorData (Mid (vNumberData (vCode (ii), I * 10 + iii, 1 ))
End If
Next
Next
Next

End Sub
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