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This commit is contained in:
John Cupitt 2011-01-12 13:06:57 +00:00
parent 8d559556c6
commit bd7f7749d5
1 changed files with 0 additions and 21 deletions
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libvips/resample/interpolate.c
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@ -383,27 +383,6 @@ G_DEFINE_TYPE( VipsInterpolateBilinear, vips_interpolate_bilinear,
c3 * tp3[z] + c4 * tp4[z]; \
}
/* Float arithmetic, used for int32 and float types, no tables.
*/
#define BILINEAR_FLOAT2( TYPE ) { \
TYPE *tq = (TYPE *) out; \
\
const double X = x - ix; \
const double Y = iy - y; \
\
const TYPE *tp1 = (TYPE *) p1; \
const TYPE *tp2 = (TYPE *) p2; \
const TYPE *tp3 = (TYPE *) p3; \
const TYPE *tp4 = (TYPE *) p4; \
\
for( z = 0; z < b; z++ ) { \
const double top = tp1[z] + X * (tp2[z] - tp1[z]); \
const double bot = tp3[z] + X * (tp4[z] - tp3[z]); \
\
tq[z] = top - Y * (bot - top); \
} \
}
/* Expand for band types. with a fixed-point interpolator and a float
* interpolator.
*/