fabs/rotate-me-fast
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Remove dead code.

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This commit is contained in:
Fabien Freling 2014-08-08 23:08:48 +02:00
parent b4032a3eee
commit ea7855b9dd
1 changed files with 0 additions and 34 deletions
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34
rotation.cpp
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@ -360,10 +360,6 @@ void rotate_pixel(Image const& src,
pvalue_t interpolated = ((src_tl * inv_x + src_tr * x_delta) * inv_y
+ (src_bl * inv_x + src_br * x_delta) * y_delta) >> (q_inter_pow << 1);
rotate_buffer[rot_index] = interpolated;
// rotate_buffer[rot_index + 1] = ((src.buffer[src_index_1 + 1] * inv_x + src.buffer[src_index_2 + 1] * x_delta) * inv_y
// + (src.buffer[src_index_3 + 1] * inv_x + src.buffer[src_index_4 + 1] * x_delta) * y_delta) >> 6;
// rotate_buffer[rot_index + 2] = ((src.buffer[src_index_1 + 2] * inv_x + src.buffer[src_index_2 + 2] * x_delta) * inv_y
// + (src.buffer[src_index_3 + 2] * inv_x + src.buffer[src_index_4 + 2] * x_delta) * y_delta) >> 6;
#else
@ -384,9 +380,6 @@ void rotate_pixel(Image const& src,
top = _mm_srli_epi16(top, 2 * q_pow);
rotate_buffer[rot_index] = _mm_extract_epi16(top, 0) + _mm_extract_epi16(top, 4);
// rotate_buffer[rot_index + 1] = _mm_extract_epi16(top, 1) + _mm_extract_epi16(top, 5);
// rotate_buffer[rot_index + 2] = _mm_extract_epi16(top, 2) + _mm_extract_epi16(top, 6);
#endif // ! SIMD
}
@ -413,19 +406,9 @@ Image* rotate(Image const& src, double angle)
int const q_pos_pow = 10;
int const q_pos = 1 << q_pos_pow;
// TODO: we could have only one delta and deduce the other one
Point const qdx(ceil(src_delta_x.x * q_pos / src.width), ceil(src_delta_x.y * q_pos / src.width));
Point const qdy(ceil(src_delta_y.x * q_pos / src.height), ceil(src_delta_y.y * q_pos / src.height));
if (false)
{
LOG << "src delta x: " << src_delta_x << endl;
LOG << "src delta y: " << src_delta_y << endl;
LOG << "qdx: " << qdx << endl;
LOG << "qdy: " << qdy << endl;
LOG << "q pos: " << q_pos << endl;
}
DPoint const rot_origin_in_src_grid = get_mapped_point(*rotated, Point(0, 0), -rotation);
DPoint const rot_origin_in_src = convert_img_coord_precision(src, rot_origin_in_src_grid);
@ -456,23 +439,6 @@ Image* rotate(Image const& src, double angle)
int const right_padding = padding_table[2 * y + 1];
int const core_pixels = width - left_padding - right_padding;
if (core_pixels < 0)
{
ERRLOG << "Too much border at line " << y << endl;
ERRLOG << " width = " << width << endl;
ERRLOG << " left padding = " << left_padding << endl;
ERRLOG << " right padding = " << right_padding << endl;
ERRLOG << " core pixels = " << core_pixels << endl;
abort();
}
if (false)
{
LOG << "left padding = " << left_padding << endl;
LOG << "right padding = " << right_padding << endl;
LOG << "core pixels = " << core_pixels << endl;
}
// Padding
int const padding = left_padding + previous_right_padding;
memset(buffer + buffer_index, 0, padding * sizeof (pvalue_t));