| 42 |
|
char *base; /* base of allocated memory */ |
| 43 |
|
} qtL; /* our pile of leaves */ |
| 44 |
|
|
| 45 |
+ |
#define is_stump(t) (!((t)->flgs & (BR_ANY|LF_ANY))) |
| 46 |
+ |
|
| 47 |
|
extern RTREE qtrunk; /* trunk of quadtree */ |
| 48 |
|
extern double qtDepthEps; /* epsilon to compare depths (z fraction) */ |
| 49 |
|
extern int qtMinNodesiz; /* minimum node dimension (pixels) */ |
| 48 |
– |
|
| 49 |
– |
|
| 50 |
– |
/************************************************************************ |
| 51 |
– |
* These driver support routines implement the dev_value() call, but |
| 52 |
– |
* require the following callbacks: |
| 53 |
– |
|
| 54 |
– |
dev_paintr(rgb, x0, y0, x1, y1) : paint a rectangle |
| 55 |
– |
BYTE rgb[3]; : rectangle color |
| 56 |
– |
int x0, y0, x1, y1; : rectangle boundaries |
| 57 |
– |
|
| 58 |
– |
Draws an open rectangle between [x0,x1) and [y0,y1) with the color rgb. |
| 59 |
– |
This function is called many times by qtUpdate(), qtRedraw() and qtReplant(). |
| 60 |
– |
|
| 61 |
– |
************************************************************************/ |
