Author Topic: BMP to ASCII (Read 3445 times)

Richard Frost · « **on:** February 02, 2019, 03:42:57 pm »

Code: QB64: [Select]

_TITLE "Heather Thomas by rfrost@mail.com"
DEFINT A-Z
DIM valid(190), pixel(20, 20), CharDef(127, 15)
SCREEN 12
q = 32
PALETTE 15, q * 65536 + q * 256 + q
FOR a = 0 TO 127 ' read/store/evaluate charset
    READ CharDef$
    OkUse = -1 ' assume can use the char, for now
    c$ = CHR$(a)
    IF INSTR("~+/\", c$) THEN OkUse = 0
    IF a < 65 THEN OkUse = 0
    IF UCASE$(c$) = LCASE$(c$) THEN OkUse = 0
    IF OkUse THEN
        FOR byte = 0 TO 15
            pat = VAL("&H" + MID$(CharDef$, byte * 2 + 1, 2))
            CharDef(a, byte) = pat
            IF a < 33 THEN OkUse = 0 ' unprintable
            IF (pat AND 1) THEN OkUse = 0 ' no far right column
            IF (pat > 0) AND (byte < 2) THEN OkUse = 0 ' no top 2 rows
            IF (pat > 0) AND (byte > 11) THEN OkUse = 0 ' no bottom 4 rows
        NEXT byte
    END IF
    IF OkUse THEN valid = valid + 1: valid(valid) = a
NEXT a
xb = 20: xe = 350 ' x begin and end
yb = 0: ye = 430 ' y begin and end
OPEN "heath.bmp" FOR RANDOM AS #1 LEN = 1: FIELD #1, 1 AS t$
OPEN "heather.txt" FOR OUTPUT AS #2
PRINT #2, CHR$(27); "A"; CHR$(8);
FOR y1 = yb TO ye STEP 14
    OutLine$ = ""
    FOR x1 = xb TO xe STEP 8
        OutChar$ = " "
        PixelLit = 0
        FOR y2 = 0 TO 7
            FOR x2 = 0 TO 6
                x3 = x1 + x2
                y3 = y1 + y2
                r& = CDBL(479 - y3) * 640 + x3 + 441
                GET #1, r&
                d = ASC(t$) \ 15
                IF d > 15 THEN d = 15
                pixel(x2, y2) = -(d > 9) ' reverse for printer
                PixelLit = PixelLit + pixel(x2, y2)
            NEXT x2
        NEXT y2
        IF PixelLit THEN
            LINE (x, y)-(x + 6, y + 9), 0, BF
            BestScore = -999
            SaveASCII = 32
            FOR a = 1 TO valid
                s = 0
                FOR byte = 0 TO 9
                    n = CharDef(valid(a), byte + 2)
                    FOR bit = 0 TO 6
                        p = pixel(bit, byte)
                        b = SGN(n AND 128) ' XOR 1
                        n = (n AND 127) * 2
                        s = s - (p = b)
                    NEXT bit
                NEXT byte
                IF s > BestScore THEN
                    BestScore = s
                    SaveASCII = valid(a)
                END IF
            NEXT a
            IF SaveASCII <> 32 THEN
                OutChar$ = CHR$(SaveASCII)
                FOR byte = 0 TO 9
                    p = CharDef(SaveASCII, byte + 2)
                    FOR bit = 0 TO 6
                        IF (p AND 128) THEN PSET (120 + x1 + bit, 8 + y1 + byte), 15
                        p = (p AND 127) * 2
                    NEXT bit
                NEXT byte
            END IF
        END IF
        OutLine$ = OutLine$ + OutChar$
    NEXT x1
    IF INKEY$ = CHR$(27) THEN CLOSE: SYSTEM
    PRINT #2, "."; OutLine$; CHR$(13); CHR$(10);
NEXT y1
CLOSE
t$ = "output file heather.txt created"
LOCATE 29, 40 - LEN(t$) \ 2: PRINT t$;
DO: _LIMIT 10
LOOP UNTIL LEN(INKEY$)
SYSTEM
 
DATA 00000000000000000000000000000000
DATA 00007E81A58181BD9981817E00000000
DATA 00007EFFDBFFFFC3E7FFFF7E00000000
DATA 000000006CFEFEFEFE7C381000000000
DATA 0000000010387CFE7C38100000000000
DATA 000000183C3CE7E7E718183C00000000
DATA 000000183C7EFFFF7E18183C00000000
DATA 000000000000183C3C18000000000000
DATA FFFFFFFFFFFFE7C3C3E7FFFFFFFFFFFF
DATA 00000000003C664242663C0000000000
DATA FFFFFFFFFFC399BDBD99C3FFFFFFFFFF
DATA 00001E0E1A3278CCCCCCCC7800000000
DATA 00003C666666663C187E181800000000
DATA 00003F333F3030303070F0E000000000
DATA 00007F637F6363636367E7E6C0000000
DATA 0000001818DB3CE73CDB181800000000
DATA 0080C0E0F0F8FEF8F0E0C08000000000
DATA 0002060E1E3EFE3E1E0E060200000000
DATA 0000183C7E1818187E3C180000000000
DATA 00006666666666666600666600000000
DATA 00007FDBDBDB7B1B1B1B1B1B00000000
DATA 007CC660386CC6C66C380CC67C000000
DATA 0000000000000000FEFEFEFE00000000
DATA 0000183C7E1818187E3C187E00000000
DATA 0000183C7E1818181818181800000000
DATA 0000181818181818187E3C1800000000
DATA 0000000000180CFE0C18000000000000
DATA 00000000003060FE6030000000000000
DATA 000000000000C0C0C0FE000000000000
DATA 0000000000286CFE6C28000000000000
DATA 000000001038387C7CFEFE0000000000
DATA 00000000FEFE7C7C3838100000000000
DATA 00000000000000000000000000000000
DATA 0000183C3C3C18181800181800000000
DATA 00666666240000000000000000000000
DATA 0000006C6CFE6C6C6CFE6C6C00000000
DATA 18187CC6C2C07C060686C67C18180000
DATA 00000000C2C60C183060C68600000000
DATA 0000386C6C3876DCCCCCCC7600000000
DATA 00303030600000000000000000000000
DATA 00000C18303030303030180C00000000
DATA 000030180C0C0C0C0C0C183000000000
DATA 0000000000663CFF3C66000000000000
DATA 000000000018187E1818000000000000
DATA 00000000000000000018181830000000
DATA 00000000000000FE0000000000000000
DATA 00000000000000000000181800000000
DATA 0000000002060C183060C08000000000
DATA 0000386CC6C6D6D6C6C66C3800000000
DATA 00001838781818181818187E00000000
DATA 00007CC6060C183060C0C6FE00000000
DATA 00007CC606063C060606C67C00000000
DATA 00000C1C3C6CCCFE0C0C0C1E00000000
DATA 0000FEC0C0C0FC060606C67C00000000
DATA 00003860C0C0FCC6C6C6C67C00000000
DATA 0000FEC606060C183030303000000000
DATA 00007CC6C6C67CC6C6C6C67C00000000
DATA 00007CC6C6C67E0606060C7800000000
DATA 00000000181800000018180000000000
DATA 00000000181800000018183000000000
DATA 000000060C18306030180C0600000000
DATA 00000000007E00007E00000000000000
DATA 0000006030180C060C18306000000000
DATA 00007CC6C60C18181800181800000000
DATA 0000007CC6C6DEDEDEDCC07C00000000
DATA 000010386CC6C6FEC6C6C6C600000000
DATA 0000FC6666667C66666666FC00000000
DATA 00003C66C2C0C0C0C0C2663C00000000
DATA 0000F86C6666666666666CF800000000
DATA 0000FE6662687868606266FE00000000
DATA 0000FE6662687868606060F000000000
DATA 00003C66C2C0C0DEC6C6663A00000000
DATA 0000C6C6C6C6FEC6C6C6C6C600000000
DATA 00003C18181818181818183C00000000
DATA 00001E0C0C0C0C0CCCCCCC7800000000
DATA 0000E666666C78786C6666E600000000
DATA 0000F06060606060606266FE00000000
DATA 0000C6EEFEFED6C6C6C6C6C600000000
DATA 0000C6E6F6FEDECEC6C6C6C600000000
DATA 00007CC6C6C6C6C6C6C6C67C00000000
DATA 0000FC6666667C60606060F000000000
DATA 00007CC6C6C6C6C6C6D6DE7C0C0E0000
DATA 0000FC6666667C6C666666E600000000
DATA 00007CC6C660380C06C6C67C00000000
DATA 00007E7E5A1818181818183C00000000
DATA 0000C6C6C6C6C6C6C6C6C67C00000000
DATA 0000C6C6C6C6C6C6C66C381000000000
DATA 0000C6C6C6C6D6D6D6FEEE6C00000000
DATA 0000C6C66C7C38387C6CC6C600000000
DATA 0000666666663C181818183C00000000
DATA 0000FEC6860C183060C2C6FE00000000
DATA 00003C30303030303030303C00000000
DATA 00000080C0E070381C0E060200000000
DATA 00003C0C0C0C0C0C0C0C0C3C00000000
DATA 10386CC6000000000000000000000000
DATA 00000000000000000000000000FF0000
DATA 30301800000000000000000000000000
DATA 0000000000780C7CCCCCCC7600000000
DATA 0000E06060786C666666667C00000000
DATA 00000000007CC6C0C0C0C67C00000000
DATA 00001C0C0C3C6CCCCCCCCC7600000000
DATA 00000000007CC6FEC0C0C67C00000000
DATA 0000386C6460F060606060F000000000
DATA 000000000076CCCCCCCCCC7C0CCC7800
DATA 0000E060606C7666666666E600000000
DATA 00001818003818181818183C00000000
DATA 00000606000E06060606060666663C00
DATA 0000E06060666C78786C66E600000000
DATA 00003818181818181818183C00000000
DATA 0000000000ECFED6D6D6D6C600000000
DATA 0000000000DC66666666666600000000
DATA 00000000007CC6C6C6C6C67C00000000
DATA 0000000000DC66666666667C6060F000
DATA 000000000076CCCCCCCCCC7C0C0C1E00
DATA 0000000000DC7666606060F000000000
DATA 00000000007CC660380CC67C00000000
DATA 0000103030FC30303030361C00000000
DATA 0000000000CCCCCCCCCCCC7600000000
DATA 000000000066666666663C1800000000
DATA 0000000000C6C6D6D6D6FE6C00000000
DATA 0000000000C66C3838386CC600000000
DATA 0000000000C6C6C6C6C6C67E060CF800
DATA 0000000000FECC183060C6FE00000000
DATA 00000E18181870181818180E00000000
DATA 00001818181800181818181800000000
DATA 0000701818180E181818187000000000
DATA 000076DC000000000000000000000000
DATA 0000000082986CC6C6C6FE0000000000
 
 

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Author Topic: BMP to ASCII (Read 3445 times)

Richard Frost

BMP to ASCII