98 lines
3.7 KiB
C
98 lines
3.7 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2012 by Blender Foundation.
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* All rights reserved.
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*/
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#pragma once
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/** \file
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* \ingroup bli
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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void BLI_bicubic_interpolation_fl(
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const float *buffer, float *output, int width, int height, int components, float u, float v);
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void BLI_bicubic_interpolation_char(const unsigned char *buffer,
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unsigned char *output,
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int width,
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int height,
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int components,
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float u,
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float v);
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void BLI_bilinear_interpolation_fl(
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const float *buffer, float *output, int width, int height, int components, float u, float v);
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void BLI_bilinear_interpolation_char(const unsigned char *buffer,
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unsigned char *output,
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int width,
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int height,
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int components,
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float u,
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float v);
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void BLI_bilinear_interpolation_wrap_fl(const float *buffer,
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float *output,
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int width,
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int height,
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int components,
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float u,
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float v,
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bool wrap_x,
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bool wrap_y);
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void BLI_bilinear_interpolation_wrap_char(const unsigned char *buffer,
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unsigned char *output,
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int width,
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int height,
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int components,
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float u,
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float v,
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bool wrap_x,
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bool wrap_y);
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#define EWA_MAXIDX 255
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extern const float EWA_WTS[EWA_MAXIDX + 1];
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typedef void (*ewa_filter_read_pixel_cb)(void *userdata, int x, int y, float result[4]);
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void BLI_ewa_imp2radangle(
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float A, float B, float C, float F, float *a, float *b, float *th, float *ecc);
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/**
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* TODO(sergey): Consider making this function inlined, so the pixel read callback
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* could also be inlined in order to avoid per-pixel function calls.
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*/
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void BLI_ewa_filter(const int width,
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const int height,
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const bool intpol,
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const bool use_alpha,
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const float uv[2],
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const float du[2],
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const float dv[2],
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ewa_filter_read_pixel_cb read_pixel_cb,
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void *userdata,
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float result[4]);
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#ifdef __cplusplus
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}
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#endif
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