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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1806 | yogev_ezra | 1 | /* |
| 2 | ------------------------------------------------------------ |
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| 3 | Fixed Rate Pig - a fixed logic frame rate demo |
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| 4 | ------------------------------------------------------------ |
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| 5 | * Copyright (C) 2004 David Olofson |
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| 6 | * |
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| 7 | * This software is released under the terms of the GPL. |
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| 8 | * |
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| 9 | * Contact author for permission if you want to use this |
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| 10 | * software, or work derived from it, under other terms. |
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| 11 | */ |
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| 12 | |||
| 13 | #ifndef PIG_DIRTY_H |
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| 14 | #define PIG_DIRTY_H |
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| 15 | |||
| 16 | /* A table of dirtyrects for one display page */ |
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| 17 | typedef struct PIG_dirtytable |
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| 18 | { |
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| 19 | int size; /* Table size */ |
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| 20 | SDL_Rect *rects; /* Table of rects */ |
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| 21 | int count; /* # of rects currently used */ |
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| 22 | int best; /* Merge testing starts here! */ |
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| 23 | } PIG_dirtytable; |
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| 24 | |||
| 25 | |||
| 26 | PIG_dirtytable *pig_dirty_open(int size); |
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| 27 | void pig_dirty_close(PIG_dirtytable *pdt); |
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| 28 | |||
| 29 | /* Add rectangle 'dr' to table 'pdt' */ |
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| 30 | void pig_dirty_add(PIG_dirtytable *pdt, SDL_Rect *dr); |
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| 31 | |||
| 32 | /* Merge table 'from' into 'pdt' */ |
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| 33 | void pig_dirty_merge(PIG_dirtytable *pdt, PIG_dirtytable *from); |
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| 34 | |||
| 35 | /* Extend 'to' to a new rect that includes both 'from' and 'to' */ |
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| 36 | void pig_mergerect(SDL_Rect *from, SDL_Rect *to); |
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| 37 | |||
| 38 | /* Clip 'to' into a rect that is the intersection of 'from' and 'to' */ |
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| 39 | void pig_intersectrect(SDL_Rect *from, SDL_Rect *to); |
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| 40 | |||
| 41 | #endif /* PIG_DIRTY_H */ |