Visual Servoing Platform version 3.6.0
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vpImageIoSimd.cpp
1/*
2 * ViSP, open source Visual Servoing Platform software.
3 * Copyright (C) 2005 - 2023 by Inria. All rights reserved.
4 *
5 * This software is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 * See the file LICENSE.txt at the root directory of this source
10 * distribution for additional information about the GNU GPL.
11 *
12 * For using ViSP with software that can not be combined with the GNU
13 * GPL, please contact Inria about acquiring a ViSP Professional
14 * Edition License.
15 *
16 * See https://visp.inria.fr for more information.
17 *
18 * This software was developed at:
19 * Inria Rennes - Bretagne Atlantique
20 * Campus Universitaire de Beaulieu
21 * 35042 Rennes Cedex
22 * France
23 *
24 * If you have questions regarding the use of this file, please contact
25 * Inria at visp@inria.fr
26 *
27 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
28 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
29 *
30 * Description:
31 * Simd backend for JPEG and PNG image I/O operations.
32 */
33
39#include "vpImageIoBackend.h"
40#include <Simd/SimdLib.h>
41
42void readSimdlib(vpImage<unsigned char> &I, const std::string &filename)
43{
44 size_t stride = 0, width = 0, height = 0;
45 SimdPixelFormatType format = SimdPixelFormatGray8;
46 uint8_t *data = SimdImageLoadFromFile(filename.c_str(), &stride, &width, &height, &format);
47 // Since the Simd lib use aligned data, some padding are introduced and we need to take care of it when copying
48 I.init(static_cast<unsigned int>(height), static_cast<unsigned int>(width));
49 for (size_t i = 0; i < height; i++) {
50 memcpy(reinterpret_cast<uint8_t *>(I.bitmap) + i * width, data + i * stride, width);
51 }
52 SimdFree(data);
53}
54
55void readSimdlib(vpImage<vpRGBa> &I, const std::string &filename)
56{
57 size_t stride = 0, width = 0, height = 0;
58 SimdPixelFormatType format = SimdPixelFormatRgba32;
59 uint8_t *data = SimdImageLoadFromFile(filename.c_str(), &stride, &width, &height, &format);
60 // Since the Simd lib use aligned data, some padding are introduced and we need to take care of it when copying
61 I.init(static_cast<unsigned int>(height), static_cast<unsigned int>(width));
62 for (size_t i = 0; i < height; i++) {
63 memcpy(reinterpret_cast<uint8_t *>(I.bitmap) + i * width * 4, data + i * stride, 4 * width);
64 }
65 SimdFree(data);
66}
67
68void writeJPEGSimdlib(const vpImage<unsigned char> &I, const std::string &filename, int quality)
69{
70 SimdImageSaveToFile((const uint8_t *)I.bitmap, I.getWidth(), I.getWidth(), I.getHeight(), SimdPixelFormatGray8,
71 SimdImageFileJpeg, quality, filename.c_str());
72}
73
74void writeJPEGSimdlib(const vpImage<vpRGBa> &I, const std::string &filename, int quality)
75{
76 SimdImageSaveToFile((const uint8_t *)I.bitmap, I.getWidth() * 4, I.getWidth(), I.getHeight(), SimdPixelFormatRgba32,
77 SimdImageFileJpeg, quality, filename.c_str());
78}
79
80void writePNGSimdlib(const vpImage<unsigned char> &I, const std::string &filename)
81{
82 SimdImageSaveToFile((const uint8_t *)I.bitmap, I.getWidth(), I.getWidth(), I.getHeight(), SimdPixelFormatGray8,
83 SimdImageFilePng, 90, filename.c_str());
84}
85
86void writePNGSimdlib(const vpImage<vpRGBa> &I, const std::string &filename)
87{
88 SimdImageSaveToFile((const uint8_t *)I.bitmap, I.getWidth() * 4, I.getWidth(), I.getHeight(), SimdPixelFormatRgba32,
89 SimdImageFilePng, 90, filename.c_str());
90}
Definition of the vpImage class member functions.
Definition vpImage.h:135
void init(unsigned int height, unsigned int width)
Set the size of the image.
Definition vpImage.h:639
unsigned int getWidth() const
Definition vpImage.h:242
Type * bitmap
points toward the bitmap
Definition vpImage.h:139
unsigned int getHeight() const
Definition vpImage.h:184