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This commit is contained in:
John Cupitt 2015-12-17 13:49:39 +00:00
parent efed79f298
commit e40a3d166e
1 changed files with 0 additions and 28 deletions
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libvips/resample/interpolate.c
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@ -537,36 +537,8 @@ vips_interpolate_bilinear_interpolate( VipsInterpolate *interpolate,
g_assert( (int) x + 1 < VIPS_RECT_RIGHT( &in->valid ) );
g_assert( (int) y + 1 < VIPS_RECT_BOTTOM( &in->valid ) );
unsigned char * restrict tq = (unsigned char *) out;
float Y = y - iy;
float X = x - ix;
float Yd = 1.0f - Y;
float c4 = Y * X;
float c2 = Yd * X;
float c3 = Y - c4;
float c1 = Yd - c2;
int sc1 = VIPS_INTERPOLATE_SCALE * c1;
int sc2 = VIPS_INTERPOLATE_SCALE * c2;
int sc3 = VIPS_INTERPOLATE_SCALE * c3;
int sc4 = VIPS_INTERPOLATE_SCALE * c4;
const unsigned char * restrict tp1 = (unsigned char *) p1;
const unsigned char * restrict tp2 = (unsigned char *) p2;
const unsigned char * restrict tp3 = (unsigned char *) p3;
const unsigned char * restrict tp4 = (unsigned char *) p4;
for( z = 0; z < b; z++ )
tq[z] = (sc1 * tp1[z] + sc2 * tp2[z] +
sc3 * tp3[z] + sc4 * tp4[z]) >> VIPS_INTERPOLATE_SHIFT;
/*
SWITCH_INTERPOLATE( in->im->BandFmt,
BILINEAR_INT, BILINEAR_FLOAT );
*/
}
static void