| 1 | // =============================================================== // |
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| 2 | // // |
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| 3 | // File : ali_pathmap.hxx // |
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| 4 | // Purpose : // |
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| 5 | // // |
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| 6 | // Institute of Microbiology (Technical University Munich) // |
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| 7 | // http://www.arb-home.de/ // |
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| 8 | // // |
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| 9 | // =============================================================== // |
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| 10 | |
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| 11 | #ifndef ALI_PATHMAP_HXX |
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| 12 | #define ALI_PATHMAP_HXX |
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| 13 | |
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| 14 | #ifndef ALI_TARRAY_HXX |
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| 15 | #include "ali_tarray.hxx" |
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| 16 | #endif |
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| 17 | |
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| 18 | #define ALI_UNDEF 0x00 |
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| 19 | #define ALI_LEFT 0x01 |
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| 20 | #define ALI_DIAG 0x02 |
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| 21 | #define ALI_UP 0x04 |
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| 22 | #define ALI_LUP 0x08 |
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| 23 | |
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| 24 | // Structure for a long up pointer (a multi gap) |
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| 25 | struct ali_pathmap_up_pointer { |
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| 26 | unsigned long start; |
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| 27 | unsigned char operation; |
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| 28 | }; |
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| 29 | |
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| 30 | class ALI_PATHMAP : virtual Noncopyable { |
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| 31 | unsigned long width, height; |
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| 32 | unsigned long height_real; |
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| 33 | unsigned char **pathmap; |
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| 34 | ALI_TARRAY<ali_pathmap_up_pointer> ****up_pointers; |
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| 35 | unsigned char **optimized; |
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| 36 | |
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| 37 | public: |
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| 38 | |
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| 39 | ALI_PATHMAP(unsigned long width, unsigned long height); |
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| 40 | ~ALI_PATHMAP(); |
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| 41 | |
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| 42 | void set(unsigned long x, unsigned long y, unsigned char val, ALI_TARRAY<ali_pathmap_up_pointer> *up_pointer = NULp); |
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| 43 | void get(unsigned long x, unsigned long y, unsigned char *val, ALI_TARRAY<ali_pathmap_up_pointer> **up_pointer); |
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| 44 | unsigned char get_value(unsigned long x, unsigned long y) { |
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| 45 | if (x >= width || y >= height) |
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| 46 | ali_fatal_error("Out of range", "ALI_PATHMAP::get_value()"); |
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| 47 | if (y & 0x01) |
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| 48 | return (*pathmap)[x*height_real + y/2] & 0x0f; |
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| 49 | else |
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| 50 | return (*pathmap)[x*height_real + y/2] >> 4; |
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| 51 | } |
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| 52 | void optimize(unsigned long x); |
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| 53 | void print(); |
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| 54 | }; |
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| 55 | |
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| 56 | #else |
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| 57 | #error ali_pathmap.hxx included twice |
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| 58 | #endif // ALI_PATHMAP_HXX |
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