| 2 |
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/* |
| 3 |
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* Structures for line segment output to raster files |
| 4 |
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*/ |
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+ |
#ifndef _RAD_RAST_H_ |
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+ |
#define _RAD_RAST_H_ |
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|
|
| 8 |
+ |
#ifdef __cplusplus |
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+ |
extern "C" { |
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+ |
#endif |
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|
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#define NUMSCANS 16 /* number of scanlines per block */ |
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|
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typedef struct { /* raster scanline block */ |
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|
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#define pixmix(x,y,c) (outblock.cols[(y)-outblock.ybot][x] &= 070|(c)) |
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|
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< |
#define someabove(p,y) (CONV((p)->xy[YMX],dysize) > (y)) |
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< |
#define somebelow(p,y) (CONV((p)->xy[YMN],dysize) < (y)) |
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> |
#define someabove(p,y) (CONV((p)->xy[YMX],dysiz) > (y)) |
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> |
#define somebelow(p,y) (CONV((p)->xy[YMN],dysiz) < (y)) |
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|
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#define inthis(p) (ydown ? someabove(p,outblock.ybot-1) : \ |
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somebelow(p,outblock.ytop+1)) |
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#define innext(p) (ydown ? somebelow(p,outblock.ybot) : \ |
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someabove(p,outblock.ytop)) |
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+ |
|
| 50 |
+ |
#ifdef __cplusplus |
| 51 |
+ |
} |
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#endif |
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#endif /* _RAD_RAST_H_ */ |
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+ |
|
