image_f32.h

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/* Copyright (C) 2013-2016, The Regents of The University of Michigan.
All rights reserved.

This software was developed in the APRIL Robotics Lab under the
direction of Edwin Olson, ebolson@umich.edu. This software may be
available under alternative licensing terms; contact the address above.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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*/

#ifndef _IMAGE_F32
#define _IMAGE_F32

#include <stdint.h>
#include "common/image_types.h"

image_f32_t *image_f32_create(int width, int height);

image_f32_t *image_f32_create_stride(int width, int height, int stride);

image_f32_t *image_f32_create_from_u8(const image_u8_t *im);

void image_f32_destroy(image_f32_t *im);

void image_f32_gaussian_blur(image_f32_t *im, double sigma, int ksz);

// remap all values to [0, 1]
void image_f32_normalize(image_f32_t *im);

// image is assumed to be [0, 1]
int image_f32_write_pnm(const image_f32_t *im, const char *path);

#endif