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Bilinear interpolation: Difference between revisions
must be a draft: task description unfinished and only two (possible) implementations
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(must be a draft: task description unfinished and only two (possible) implementations) |
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{{draft task}}
Bilinear Interpolation is linear interpolation in 2 dimensions
<!-- TODO: Describe a *task*; must be a draft until that is done, and four implementations are written -->
=={{header|C}}==
<lang c>#include <stdint.h>
typedef struct {
uint32_t *pixels;
unsigned int w;
unsigned int h;
} image_t;
#define getByte(value, n) (value >> (n*8) & 0xFF)
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putpixel(dst,x, y, result);
}
}</lang>▼
▲</lang>
=={{header|Racket}}==
This mimics the Wikipedia example.
<lang racket>#lang racket▼
▲<lang racket>
(require images/flomap)
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(λ (k x y)
(flomap-bilinear-ref
fm k (+ 1/2 (/ x 250)) (+ 1/2 (/ y 250))))))</lang>
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