| 0,0 → 1,41 |
|---|
| /* |
| ------------------------------------------------------------ |
| Fixed Rate Pig - a fixed logic frame rate demo |
| ------------------------------------------------------------ |
| * Copyright (C) 2004 David Olofson <david@olofson.net> |
| * |
| * This software is released under the terms of the GPL. |
| * |
| * Contact author for permission if you want to use this |
| * software, or work derived from it, under other terms. |
| */ |
| |
| #ifndef PIG_DIRTY_H |
| #define PIG_DIRTY_H |
| |
| /* A table of dirtyrects for one display page */ |
| typedef struct PIG_dirtytable |
| { |
| int size; /* Table size */ |
| SDL_Rect *rects; /* Table of rects */ |
| int count; /* # of rects currently used */ |
| int best; /* Merge testing starts here! */ |
| } PIG_dirtytable; |
| |
| |
| PIG_dirtytable *pig_dirty_open(int size); |
| void pig_dirty_close(PIG_dirtytable *pdt); |
| |
| /* Add rectangle 'dr' to table 'pdt' */ |
| void pig_dirty_add(PIG_dirtytable *pdt, SDL_Rect *dr); |
| |
| /* Merge table 'from' into 'pdt' */ |
| void pig_dirty_merge(PIG_dirtytable *pdt, PIG_dirtytable *from); |
| |
| /* Extend 'to' to a new rect that includes both 'from' and 'to' */ |
| void pig_mergerect(SDL_Rect *from, SDL_Rect *to); |
| |
| /* Clip 'to' into a rect that is the intersection of 'from' and 'to' */ |
| void pig_intersectrect(SDL_Rect *from, SDL_Rect *to); |
| |
| #endif /* PIG_DIRTY_H */ |