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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1088 | alone | 1 | #include "std.h" |
| 2 | |||
| 3 | #include "emul.h" |
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| 4 | #include "vars.h" |
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| 5 | #include "draw.h" |
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| 6 | #include "dxrframe.h" |
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| 7 | #include "fontdata.h" |
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| 8 | #include "font8.h" |
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| 9 | #include "font14.h" |
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| 10 | #include "font16.h" |
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| 11 | #include "dxr_text.h" |
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| 12 | #include "init.h" |
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| 13 | #include "util.h" |
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| 14 | |||
| 15 | static void *root_tab; |
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| 16 | const unsigned char *fontdata = fontdata1; |
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| 17 | |||
| 18 | static void recognize_text(const unsigned char *st, unsigned char *d[]) |
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| 19 | { |
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| 20 | void **dst = (void **)d; |
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| 21 | const u32 *start = (const u32 *)st; |
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| 22 | for(unsigned i = 0; i < 64; i++) |
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| 23 | { |
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| 24 | dst[i] = root_tab; |
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| 25 | } |
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| 26 | |||
| 27 | for(unsigned j = conf.fontsize; j != 0; j--, start += temp.scx >> 4) |
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| 28 | { |
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| 29 | for(unsigned i = 0; i < 64 / 4; i++) |
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| 30 | { |
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| 31 | dst[4*i+0] = ((void **)dst[4*i+0])[(start[i] >> 4) & 0xF]; |
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| 32 | dst[4*i+1] = ((void **)dst[4*i+1])[(start[i] & 0xF)]; |
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| 33 | dst[4*i+2] = ((void **)dst[4*i+2])[(start[i] >> 20) & 0xF]; |
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| 34 | dst[4*i+3] = ((void **)dst[4*i+3])[(start[i] >> 16) & 0xF]; |
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| 35 | } |
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| 36 | } |
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| 37 | } |
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| 38 | |||
| 39 | #define line_a64_8_2 line_a64_8 // scanlines �������� ����� ����� � ������� 8x16 |
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| 40 | #define line_a64_8_1 line_a64_8 // ������� scanlines �� �����p��� |
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| 41 | #define line_a64_16_2 line_a64_16 |
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| 42 | #define line_a64_16_1 line_a64_16 |
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| 43 | #define line_a64_32_2 line_a64_32 |
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| 44 | #define line_a64_32_1 line_a64_32 |
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| 45 | |||
| 46 | static void line_a64_8(unsigned char *dst, unsigned char *src, unsigned char *chars[], unsigned line) |
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| 47 | { |
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| 48 | for (unsigned x = 0; x < 512; x += 32) { |
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| 49 | unsigned s = *(unsigned*)src; |
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| 50 | unsigned attr = (s >> 6) & 0x3FC; |
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| 51 | unsigned char *ptr = *chars++; |
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| 52 | if (!ptr) { |
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| 53 | *(unsigned*)(dst+x+ 0) = t.sctab8d[0][((s >> 6) & 3) + attr]; |
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| 54 | *(unsigned*)(dst+x+ 4) = t.sctab8d[0][((s >> 4) & 3) + attr]; |
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| 55 | } else { |
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| 56 | unsigned attr = 0xF0*4; |
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| 57 | *(unsigned*)(dst+x+ 0) = t.sctab8[0][((ptr[line] >> 4) & 0xF) + attr*4]; |
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| 58 | *(unsigned*)(dst+x+ 4) = t.sctab8[0][((ptr[line] ) & 0xF) + attr*4]; |
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| 59 | } |
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| 60 | ptr = *chars++; |
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| 61 | if (!ptr) { |
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| 62 | *(unsigned*)(dst+x+ 8) = t.sctab8d[0][((s >> 2) & 3) + attr]; |
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| 63 | *(unsigned*)(dst+x+12) = t.sctab8d[0][((s >> 0) & 3) + attr]; |
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| 64 | } else { |
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| 65 | unsigned attr = 0xF0*4; |
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| 66 | *(unsigned*)(dst+x+ 8) = t.sctab8[0][((ptr[line] >> 4) & 0xF) + attr*4]; |
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| 67 | *(unsigned*)(dst+x+12) = t.sctab8[0][((ptr[line] ) & 0xF) + attr*4]; |
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| 68 | } |
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| 69 | ptr = *chars++; |
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| 70 | attr = (s >> 22) & 0x3FC; |
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| 71 | if (!ptr) { |
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| 72 | *(unsigned*)(dst+x+16) = t.sctab8d[0][((s >>22) & 3) + attr]; |
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| 73 | *(unsigned*)(dst+x+20) = t.sctab8d[0][((s >>20) & 3) + attr]; |
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| 74 | } else { |
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| 75 | unsigned attr = 0xF0*4; |
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| 76 | *(unsigned*)(dst+x+16) = t.sctab8[0][((ptr[line] >> 4) & 0xF) + attr*4]; |
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| 77 | *(unsigned*)(dst+x+20) = t.sctab8[0][((ptr[line] ) & 0xF) + attr*4]; |
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| 78 | } |
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| 79 | ptr = *chars++; |
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| 80 | if (!ptr) { |
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| 81 | *(unsigned*)(dst+x+24) = t.sctab8d[0][((s >>18) & 3) + attr]; |
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| 82 | *(unsigned*)(dst+x+28) = t.sctab8d[0][((s >>16) & 3) + attr]; |
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| 83 | } else { |
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| 84 | unsigned attr = 0xF0*4; |
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| 85 | *(unsigned*)(dst+x+24) = t.sctab8[0][((ptr[line] >> 4) & 0xF) + attr*4]; |
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| 86 | *(unsigned*)(dst+x+28) = t.sctab8[0][((ptr[line] ) & 0xF) + attr*4]; |
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| 87 | } |
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| 88 | |||
| 89 | src += 4; |
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| 90 | } |
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| 91 | } |
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| 92 | |||
| 93 | static void line_a64_16(unsigned char *dst, unsigned char *src, unsigned char *chars[], unsigned line) |
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| 94 | { |
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| 95 | for (unsigned x = 0; x < 1024; x += 32) { |
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| 96 | unsigned char s = *src++; |
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| 97 | unsigned attr = *src++; |
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| 98 | unsigned *tab1 = t.sctab16d[0] + attr; |
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| 99 | unsigned *tab2 = t.sctab16 [0] + attr*4; |
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| 100 | unsigned char *ptr = *chars++; |
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| 101 | if (!ptr) { |
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| 102 | *(unsigned*)(dst+x+ 0) = tab1[(s << 1) & 0x100]; |
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| 103 | *(unsigned*)(dst+x+ 4) = tab1[(s << 2) & 0x100]; |
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| 104 | *(unsigned*)(dst+x+ 8) = tab1[(s << 3) & 0x100]; |
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| 105 | *(unsigned*)(dst+x+12) = tab1[(s << 4) & 0x100]; |
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| 106 | } else { |
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| 107 | unsigned s = ptr[line]; |
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| 108 | *(unsigned*)(dst+x) = tab2[(s >> 6) & 3]; |
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| 109 | *(unsigned*)(dst+x+4) = tab2[(s >> 4) & 3]; |
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| 110 | *(unsigned*)(dst+x+8) = tab2[(s >> 2) & 3]; |
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| 111 | *(unsigned*)(dst+x+12)= tab2[(s >> 0) & 3]; |
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| 112 | } |
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| 113 | ptr = *chars++; |
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| 114 | if (!ptr) { |
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| 115 | *(unsigned*)(dst+x+16) = tab1[(s << 5) & 0x100]; |
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| 116 | *(unsigned*)(dst+x+20) = tab1[(s << 6) & 0x100]; |
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| 117 | *(unsigned*)(dst+x+24) = tab1[(s << 7) & 0x100]; |
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| 118 | *(unsigned*)(dst+x+28) = tab1[(s << 8) & 0x100]; |
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| 119 | } else { |
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| 120 | unsigned s = ptr[line]; |
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| 121 | *(unsigned*)(dst+x+16) = tab2[(s >> 6) & 3]; |
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| 122 | *(unsigned*)(dst+x+20) = tab2[(s >> 4) & 3]; |
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| 123 | *(unsigned*)(dst+x+24) = tab2[(s >> 2) & 3]; |
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| 124 | *(unsigned*)(dst+x+28) = tab2[(s >> 0) & 3]; |
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| 125 | } |
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| 126 | } |
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| 127 | } |
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| 128 | |||
| 129 | static void line_a64_32(unsigned char *dst, unsigned char *src, unsigned char *chars[], unsigned line) |
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| 130 | { |
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| 131 | for (unsigned x = 0; x < 2048; x += 64) { |
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| 132 | unsigned char s = *src++; |
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| 133 | unsigned attr = *src++; |
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| 134 | unsigned *tab = t.sctab32[0] + attr; |
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| 135 | unsigned char *ptr = *chars++; |
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| 136 | if (!ptr) { |
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| 137 | *(unsigned*)(dst+x+ 0) = |
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| 138 | *(unsigned*)(dst+x+ 4) = tab[(s << 1) & 0x100]; |
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| 139 | *(unsigned*)(dst+x+ 8) = |
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| 140 | *(unsigned*)(dst+x+12) = tab[(s << 2) & 0x100]; |
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| 141 | *(unsigned*)(dst+x+16) = |
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| 142 | *(unsigned*)(dst+x+20) = tab[(s << 3) & 0x100]; |
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| 143 | *(unsigned*)(dst+x+24) = |
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| 144 | *(unsigned*)(dst+x+28) = tab[(s << 4) & 0x100]; |
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| 145 | } else { |
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| 146 | unsigned s = ptr[line]; |
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| 147 | *(unsigned*)(dst+x+ 0) = tab[(s << 1) & 0x100]; |
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| 148 | *(unsigned*)(dst+x+ 4) = tab[(s << 2) & 0x100]; |
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| 149 | *(unsigned*)(dst+x+ 8) = tab[(s << 3) & 0x100]; |
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| 150 | *(unsigned*)(dst+x+12) = tab[(s << 4) & 0x100]; |
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| 151 | *(unsigned*)(dst+x+16) = tab[(s << 5) & 0x100]; |
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| 152 | *(unsigned*)(dst+x+20) = tab[(s << 6) & 0x100]; |
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| 153 | *(unsigned*)(dst+x+24) = tab[(s << 7) & 0x100]; |
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| 154 | *(unsigned*)(dst+x+28) = tab[(s << 8) & 0x100]; |
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| 155 | } |
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| 156 | ptr = *chars++; |
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| 157 | if (!ptr) { |
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| 158 | *(unsigned*)(dst+x+32) = |
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| 159 | *(unsigned*)(dst+x+36) = tab[(s << 5) & 0x100]; |
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| 160 | *(unsigned*)(dst+x+40) = |
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| 161 | *(unsigned*)(dst+x+44) = tab[(s << 6) & 0x100]; |
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| 162 | *(unsigned*)(dst+x+48) = |
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| 163 | *(unsigned*)(dst+x+52) = tab[(s << 7) & 0x100]; |
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| 164 | *(unsigned*)(dst+x+56) = |
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| 165 | *(unsigned*)(dst+x+60) = tab[(s << 8) & 0x100]; |
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| 166 | } else { |
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| 167 | unsigned s = ptr[line]; |
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| 168 | *(unsigned*)(dst+x+32) = tab[(s << 1) & 0x100]; |
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| 169 | *(unsigned*)(dst+x+36) = tab[(s << 2) & 0x100]; |
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| 170 | *(unsigned*)(dst+x+40) = tab[(s << 3) & 0x100]; |
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| 171 | *(unsigned*)(dst+x+44) = tab[(s << 4) & 0x100]; |
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| 172 | *(unsigned*)(dst+x+48) = tab[(s << 5) & 0x100]; |
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| 173 | *(unsigned*)(dst+x+52) = tab[(s << 6) & 0x100]; |
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| 174 | *(unsigned*)(dst+x+56) = tab[(s << 7) & 0x100]; |
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| 175 | *(unsigned*)(dst+x+60) = tab[(s << 8) & 0x100]; |
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| 176 | } |
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| 177 | } |
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| 178 | } |
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| 179 | |||
| 180 | static unsigned char *zero64[64] = { }; |
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| 181 | |||
| 182 | static void rend_anti64_8s(unsigned char *dst, unsigned pitch, unsigned char *src, unsigned scroll = 0) |
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| 183 | { |
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| 184 | ATTR_ALIGN(16) unsigned char *chars[64]; |
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| 185 | |||
| 186 | unsigned delta = temp.scx/4; |
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| 187 | if (scroll) for (unsigned y = 0; y < 64; y++) chars[y] = nullptr; |
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| 188 | else |
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| 189 | { |
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| 190 | recognize_text(src, chars); |
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| 191 | scroll = conf.fontsize; |
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| 192 | } |
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| 193 | for (unsigned s = 0; s < scroll; s++) { |
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| 194 | line_a64_8_1(dst, src, chars, s); dst += pitch; |
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| 195 | src += delta; |
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| 196 | } |
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| 197 | for (unsigned y = conf.fontsize; y < 192; y+=conf.fontsize) { |
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| 198 | recognize_text(src, chars); |
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| 199 | for (unsigned line = 0; line < conf.fontsize; line++) { |
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| 200 | line_a64_8_1(dst, src, chars, line); dst += pitch; |
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| 201 | src += delta; |
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| 202 | } |
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| 203 | } |
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| 204 | for (unsigned line = scroll; line < conf.fontsize; line++) { |
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| 205 | line_a64_8_1(dst, src, zero64, 0); dst += pitch; |
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| 206 | src += delta; |
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| 207 | } |
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| 208 | } |
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| 209 | |||
| 210 | static void rend_anti64_8d(unsigned char *dst, unsigned pitch, unsigned char *src, unsigned scroll = 0) |
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| 211 | { |
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| 212 | ATTR_ALIGN(16) unsigned char *chars[64]; |
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| 213 | unsigned delta = temp.scx/4; |
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| 214 | if (scroll) for (unsigned y = 0; y < 64; y++) chars[y] = nullptr; |
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| 215 | else |
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| 216 | { |
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| 217 | recognize_text(src, chars); |
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| 218 | scroll = conf.fontsize; |
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| 219 | } |
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| 220 | for (unsigned s = 0; s < scroll; s++) { |
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| 221 | line_a64_8_1(dst, src, chars, s*2); dst += pitch; |
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| 222 | line_a64_8_2(dst, src, chars, s*2+1); dst += pitch; |
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| 223 | src += delta; |
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| 224 | } |
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| 225 | for (unsigned y = conf.fontsize; y < 192; y+=conf.fontsize) { |
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| 226 | recognize_text(src, chars); |
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| 227 | for (unsigned line = 0; line < conf.fontsize; line++) { |
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| 228 | line_a64_8_1(dst, src, chars, line*2); dst += pitch; |
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| 229 | line_a64_8_2(dst, src, chars, line*2+1); dst += pitch; |
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| 230 | src += delta; |
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| 231 | } |
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| 232 | } |
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| 233 | for (unsigned line = scroll; line < conf.fontsize; line++) { |
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| 234 | line_a64_8_1(dst, src, zero64, 0); dst += pitch; |
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| 235 | line_a64_8_2(dst, src, zero64, 0); dst += pitch; |
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| 236 | src += delta; |
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| 237 | } |
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| 238 | } |
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| 239 | |||
| 240 | static void rend_anti64_16s(unsigned char *dst, unsigned pitch, unsigned char *src, unsigned scroll = 0) |
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| 241 | { |
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| 242 | ATTR_ALIGN(16) unsigned char *chars[64]; |
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| 243 | unsigned delta = temp.scx/4; |
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| 244 | if (scroll) for (unsigned y = 0; y < 64; y++) chars[y] = nullptr; |
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| 245 | else |
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| 246 | { |
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| 247 | recognize_text(src, chars); |
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| 248 | scroll = conf.fontsize; |
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| 249 | } |
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| 250 | for (unsigned s = 0; s < scroll; s++) { |
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| 251 | line_a64_16_1(dst, src, chars, s); dst += pitch; |
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| 252 | src += delta; |
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| 253 | } |
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| 254 | for (unsigned y = conf.fontsize; y < 192; y+=conf.fontsize) { |
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| 255 | recognize_text(src, chars); |
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| 256 | for (unsigned line = 0; line < conf.fontsize; line++) { |
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| 257 | line_a64_16_1(dst, src, chars, line); dst += pitch; |
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| 258 | src += delta; |
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| 259 | } |
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| 260 | } |
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| 261 | for (unsigned line = scroll; line < conf.fontsize; line++) { |
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| 262 | line_a64_16_1(dst, src, zero64, 0); dst += pitch; |
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| 263 | src += delta; |
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| 264 | } |
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| 265 | } |
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| 266 | |||
| 267 | static void rend_anti64_16d(unsigned char *dst, unsigned pitch, unsigned char *src, unsigned scroll = 0) |
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| 268 | { |
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| 269 | ATTR_ALIGN(16) unsigned char *chars[64]; |
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| 270 | unsigned delta = temp.scx/4; |
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| 271 | if (scroll) for (unsigned y = 0; y < 64; y++) chars[y] = nullptr; |
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| 272 | else |
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| 273 | { |
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| 274 | recognize_text(src, chars); |
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| 275 | scroll = conf.fontsize; |
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| 276 | } |
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| 277 | for (unsigned s = 0; s < scroll; s++) { |
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| 278 | line_a64_16_1(dst, src, chars, s*2); dst += pitch; |
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| 279 | line_a64_16_2(dst, src, chars, s*2+1); dst += pitch; |
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| 280 | src += delta; |
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| 281 | } |
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| 282 | for (unsigned y = conf.fontsize; y < 192; y+=conf.fontsize) { |
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| 283 | recognize_text(src, chars); |
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| 284 | for (unsigned line = 0; line < conf.fontsize; line++) { |
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| 285 | line_a64_16_1(dst, src, chars, line*2); dst += pitch; |
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| 286 | line_a64_16_2(dst, src, chars, line*2+1); dst += pitch; |
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| 287 | src += delta; |
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| 288 | } |
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| 289 | } |
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| 290 | for (unsigned line = scroll; line < conf.fontsize; line++) { |
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| 291 | line_a64_16_1(dst, src, zero64, 0); dst += pitch; |
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| 292 | line_a64_16_2(dst, src, zero64, 0); dst += pitch; |
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| 293 | src += delta; |
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| 294 | } |
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| 295 | } |
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| 296 | |||
| 297 | static void rend_anti64_32s(unsigned char *dst, unsigned pitch, unsigned char *src, unsigned scroll = 0) |
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| 298 | { |
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| 299 | ATTR_ALIGN(16) unsigned char *chars[64]; |
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| 300 | unsigned delta = temp.scx/4; |
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| 301 | if (scroll) for (unsigned y = 0; y < 64; y++) chars[y] = nullptr; |
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| 302 | else |
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| 303 | { |
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| 304 | recognize_text(src, chars); |
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| 305 | scroll = conf.fontsize; |
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| 306 | } |
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| 307 | for (unsigned s = 0; s < scroll; s++) { |
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| 308 | line_a64_32_1(dst, src, chars, s); dst += pitch; |
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| 309 | src += delta; |
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| 310 | } |
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| 311 | for (unsigned y = conf.fontsize; y < 192; y+=conf.fontsize) { |
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| 312 | recognize_text(src, chars); |
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| 313 | for (unsigned line = 0; line < conf.fontsize; line++) { |
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| 314 | line_a64_32_1(dst, src, chars, line); dst += pitch; |
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| 315 | src += delta; |
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| 316 | } |
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| 317 | } |
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| 318 | for (unsigned line = scroll; line < conf.fontsize; line++) { |
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| 319 | line_a64_32_1(dst, src, zero64, 0); dst += pitch; |
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| 320 | src += delta; |
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| 321 | } |
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| 322 | } |
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| 323 | |||
| 324 | static void rend_anti64_32d(unsigned char *dst, unsigned pitch, unsigned char *src, unsigned scroll = 0) |
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| 325 | { |
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| 326 | ATTR_ALIGN(16) unsigned char *chars[64]; |
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| 327 | unsigned delta = temp.scx/4; |
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| 328 | if (scroll) for (unsigned y = 0; y < 64; y++) chars[y] = nullptr; |
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| 329 | else |
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| 330 | { |
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| 331 | recognize_text(src, chars); |
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| 332 | scroll = conf.fontsize; |
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| 333 | } |
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| 334 | for (unsigned s = 0; s < scroll; s++) { |
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| 335 | line_a64_32_1(dst, src, chars, s*2); dst += pitch; |
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| 336 | line_a64_32_2(dst, src, chars, s*2+1); dst += pitch; |
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| 337 | src += delta; |
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| 338 | } |
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| 339 | for (unsigned y = conf.fontsize; y < 192; y+=conf.fontsize) { |
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| 340 | recognize_text(src, chars); |
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| 341 | for (unsigned line = 0; line < conf.fontsize; line++) { |
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| 342 | line_a64_32_1(dst, src, chars, line*2); dst += pitch; |
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| 343 | line_a64_32_2(dst, src, chars, line*2+1); dst += pitch; |
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| 344 | src += delta; |
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| 345 | } |
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| 346 | } |
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| 347 | for (unsigned line = scroll; line < conf.fontsize; line++) { |
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| 348 | line_a64_32_1(dst, src, zero64, 0); dst += pitch; |
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| 349 | line_a64_32_2(dst, src, zero64, 0); dst += pitch; |
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| 350 | src += delta; |
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| 351 | } |
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| 352 | } |
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| 353 | |||
| 354 | static unsigned detect_scroll(unsigned char *src) |
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| 355 | { |
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| 356 | unsigned char *chars[64]; |
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| 357 | unsigned delta = temp.scx/4, delta2 = delta * conf.fontsize; |
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| 358 | uintptr_t max = 0; |
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| 359 | unsigned scroll = 0; |
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| 360 | for (unsigned line = 0; line < conf.fontsize; line++) |
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| 361 | { |
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| 362 | uintptr_t found = 0; unsigned char *src_pos = src; src += delta; |
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| 363 | for (unsigned pos = line; pos < 192; pos += conf.fontsize) |
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| 364 | { |
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| 365 | recognize_text(src_pos, chars); |
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| 366 | for (unsigned i = 0; i < 64; i++) |
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| 367 | found += uintptr_t(chars[i]) >> 16; |
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| 368 | src_pos += delta2; |
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| 369 | } |
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| 370 | if(found > max) |
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| 371 | { |
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| 372 | max = found; |
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| 373 | scroll = line; |
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| 374 | } |
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| 375 | } |
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| 376 | return scroll; |
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| 377 | } |
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| 378 | |||
| 379 | void __fastcall render_text(unsigned char *dst, unsigned pitch) |
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| 380 | { |
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| 381 | unsigned char *dst2 = dst + temp.b_left*temp.obpp/4 + |
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| 382 | temp.b_top*pitch * ((temp.oy > temp.scy)?2:1); |
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| 383 | if (temp.oy > temp.scy && conf.fast_sl) pitch *= 2; |
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| 384 | unsigned char *src = rbuf + (temp.b_top*temp.scx+temp.b_left)/4; |
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| 385 | unsigned scroll = conf.pixelscroll? detect_scroll(src) : 0; |
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| 386 | |||
| 387 | if(temp.obpp == 8) |
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| 388 | { |
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| 389 | if(conf.fast_sl) |
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| 390 | { |
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| 391 | rend_frame_8d1(dst, pitch); |
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| 392 | rend_anti64_8s(dst2, pitch, src, scroll); |
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| 393 | } |
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| 394 | else |
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| 395 | { |
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| 396 | rend_frame_8d(dst, pitch); |
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| 397 | rend_anti64_8d(dst2, pitch, src, scroll); |
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| 398 | } |
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| 399 | return; |
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| 400 | } |
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| 401 | if(temp.obpp == 16) |
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| 402 | { |
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| 403 | if(conf.fast_sl) |
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| 404 | { |
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| 405 | rend_frame_16d1(dst, pitch); |
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| 406 | rend_anti64_16s(dst2, pitch, src, scroll); |
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| 407 | } |
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| 408 | else |
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| 409 | { |
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| 410 | rend_frame_16d(dst, pitch); |
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| 411 | rend_anti64_16d(dst2, pitch, src, scroll); |
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| 412 | } |
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| 413 | return; |
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| 414 | } |
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| 415 | if(temp.obpp == 32) |
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| 416 | { |
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| 417 | if(conf.fast_sl) |
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| 418 | { |
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| 419 | rend_frame_32d1(dst, pitch); |
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| 420 | rend_anti64_32s(dst2, pitch, src, scroll); |
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| 421 | } |
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| 422 | else |
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| 423 | { |
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| 424 | rend_frame_32d(dst, pitch); |
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| 425 | rend_anti64_32d(dst2, pitch, src, scroll); |
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| 426 | } |
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| 427 | return; |
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| 428 | } |
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| 429 | |||
| 430 | } |
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| 431 | |||
| 432 | static void *alloc_table(void **&tptr, void *startval) |
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| 433 | { |
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| 434 | void *res = (void *)tptr; |
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| 435 | for (unsigned i = 0; i < 16; i++) |
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| 436 | tptr[i] = startval; |
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| 437 | tptr += 16; |
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| 438 | return res; |
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| 439 | } |
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| 440 | |||
| 441 | // |
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| 442 | // dt[i-1] -> dt[i] -> dt[i+1] |
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| 443 | // | dt[i+1] |
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| 444 | // | |
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| 445 | // dt[i] -> dt[i+1] |
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| 446 | // | dt[i+1] |
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| 447 | // | |
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| 448 | // dt[i] -> dt[i+1] |
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| 449 | // dt[i+1] |
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| 450 | |||
| 451 | // l1[] = { 0, 0, 0 }; |
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| 452 | // l2[] = { l1, l1, l1 }; |
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| 453 | // l3[] = { l2, l2, l2 }; |
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| 454 | |||
| 455 | void create_font_tables() |
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| 456 | { |
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| 457 | unsigned char *fontbase = conf.fast_sl ? font8 : font16; |
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| 458 | unsigned fonth = conf.fast_sl ? 8 : 16; |
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| 459 | |||
| 460 | if (conf.fontsize < 8) |
||
| 461 | { |
||
| 462 | fontbase = conf.fast_sl ? font8 : font14; |
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| 463 | fonth = conf.fast_sl ? 8 : 14; |
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| 464 | } |
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| 465 | |||
| 466 | void *dummy_tab[8]; |
||
| 467 | void **ts = (void **)t.font_tables; |
||
| 468 | dummy_tab[conf.fontsize-1] = alloc_table(ts, nullptr); |
||
| 469 | for (unsigned i = conf.fontsize-1; i; i--) |
||
| 470 | dummy_tab[i-1] = alloc_table(ts, dummy_tab[i]); |
||
| 471 | root_tab = dummy_tab[0]; |
||
| 472 | |||
| 473 | // todo: collapse tree to graph |
||
| 474 | // (last bytes of same char with |
||
| 475 | // different first bytes may be same) |
||
| 476 | for (unsigned invert = 0; invert < 0x100; invert += 0xFF) |
||
| 477 | { |
||
| 478 | for (const unsigned char *ptr = fontdata; *ptr; ptr += 8) |
||
| 479 | { |
||
| 480 | unsigned code = *ptr++; |
||
| 481 | void **tab = (void **)root_tab; |
||
| 482 | |||
| 483 | for (unsigned level = 0; ; level++) |
||
| 484 | { |
||
| 485 | unsigned bits = (ptr[level] ^ (unsigned char)invert) & 0x0F; |
||
| 486 | if (level == conf.fontsize-1) |
||
| 487 | { |
||
| 488 | if (tab[bits]) |
||
| 489 | { |
||
| 490 | #if 0 // 1 - debug |
||
| 491 | color(CONSCLR_ERROR); |
||
| 492 | printf("duplicate char %d (%02X)! - font table may corrupt\n", (ptr-1-fontdata)/9, code); |
||
| 493 | exit(); |
||
| 494 | #endif |
||
| 495 | } |
||
| 496 | else |
||
| 497 | { |
||
| 498 | unsigned *newchar; |
||
| 499 | unsigned *basechar = (unsigned*)(fontbase + fonth*code); // ����� 8xh, h=8,14,16 |
||
| 500 | if (invert) |
||
| 501 | { |
||
| 502 | newchar = (unsigned *)ts; |
||
| 503 | ts += 4; |
||
| 504 | newchar[0] = ~basechar[0]; |
||
| 505 | newchar[1] = ~basechar[1]; |
||
| 506 | newchar[2] = ~basechar[2]; |
||
| 507 | newchar[3] = ~basechar[3]; |
||
| 508 | } |
||
| 509 | else |
||
| 510 | newchar = basechar; |
||
| 511 | |||
| 512 | tab[bits] = newchar; |
||
| 513 | } |
||
| 514 | break; |
||
| 515 | } |
||
| 516 | void *next = tab[bits]; |
||
| 517 | if (next == dummy_tab[level+1]) |
||
| 518 | tab[bits] = next = alloc_table(ts, (level==conf.fontsize-2)? nullptr : dummy_tab[level+2]); |
||
| 519 | tab = (void **)next; |
||
| 520 | } |
||
| 521 | } |
||
| 522 | } |
||
| 523 | |||
| 524 | size_t usedsize = size_t(((u8 *)ts) - ((u8 *)t.font_tables)); |
||
| 525 | if (usedsize > sizeof(t.font_tables)) |
||
| 526 | { |
||
| 527 | color(CONSCLR_ERROR); |
||
| 528 | printf("font table overflow: size=%u (0x%X) of 0x%X\n", unsigned(usedsize), unsigned(usedsize), unsigned(sizeof t.font_tables)); |
||
| 529 | exit(); |
||
| 530 | } |
||
| 531 | } |