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| 35 | // points to first row, first column of selection image data |
35 | // points to first row, first column of selection image data |
| 36 | // this is used by src() and cnv() functions to access pixels |
36 | // this is used by src() and cnv() functions to access pixels |
| 37 | unsigned char *image_ptr; |
37 | unsigned char *image_ptr; |
| 38 | 38 | ||
| 39 | int needinput; |
39 | extern int needinput; |
| 40 | int state_changing_funcs_used; |
40 | int state_changing_funcs_used; |
| 41 | 41 | ||
| 42 | /* get prepared to evaluate expression trees-- |
42 | /* get prepared to evaluate expression trees-- |
| 43 | this assumes that tree[] array is already set up |
43 | this assumes that tree[] array is already set up |
| 44 | return TRUE if we're ready to go |
44 | return TRUE if we're ready to go |