Visual Servoing Platform version 3.5.0
vpImageIoSimd.cpp
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30 *
31 * Description:
32 * Simd backend for JPEG and PNG image I/O operations.
33 *
34 *****************************************************************************/
35
41#include "vpImageIoBackend.h"
42#include <Simd/SimdLib.h>
43
44
45void readSimdlib(vpImage<unsigned char> &I, const std::string &filename)
46{
47 size_t stride = 0, width = 0, height = 0;
48 SimdPixelFormatType format = SimdPixelFormatGray8;
49 uint8_t* data = SimdImageLoadFromFile(filename.c_str(), &stride, &width, &height, &format);
50 // Since the Simd lib use aligned data, some padding are introduced and we need to take care of it when copying
51 I.init(static_cast<unsigned int>(height), static_cast<unsigned int>(width));
52 for (size_t i = 0; i < height; i++) {
53 memcpy(reinterpret_cast<uint8_t *>(I.bitmap) + i*width, data + i*stride, width);
54 }
55 SimdFree(data);
56}
57
58void readSimdlib(vpImage<vpRGBa> &I, const std::string &filename)
59{
60 size_t stride = 0, width = 0, height = 0;
61 SimdPixelFormatType format = SimdPixelFormatRgba32;
62 uint8_t* data = SimdImageLoadFromFile(filename.c_str(), &stride, &width, &height, &format);
63 // Since the Simd lib use aligned data, some padding are introduced and we need to take care of it when copying
64 I.init(static_cast<unsigned int>(height), static_cast<unsigned int>(width));
65 for (size_t i = 0; i < height; i++) {
66 memcpy(reinterpret_cast<uint8_t *>(I.bitmap) + i*width*4, data + i*stride, 4*width);
67 }
68 SimdFree(data);
69}
70
71void writeJPEGSimdlib(const vpImage<unsigned char> &I, const std::string &filename, int quality)
72{
73 SimdImageSaveToFile((const uint8_t *)I.bitmap, I.getWidth()*4, I.getWidth(), I.getHeight(), SimdPixelFormatGray8, SimdImageFileJpeg, quality, filename.c_str());
74}
75
76void writeJPEGSimdlib(const vpImage<vpRGBa> &I, const std::string &filename, int quality)
77{
78 SimdImageSaveToFile((const uint8_t *)I.bitmap, I.getWidth()*4, I.getWidth(), I.getHeight(), SimdPixelFormatRgba32, SimdImageFileJpeg, quality, filename.c_str());
79}
80
81void writePNGSimdlib(const vpImage<unsigned char> &I, const std::string &filename)
82{
83 SimdImageSaveToFile((const uint8_t *)I.bitmap, I.getWidth()*4, I.getWidth(), I.getHeight(), SimdPixelFormatGray8, 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, SimdImageFilePng, 90, filename.c_str());
89}
void init(unsigned int height, unsigned int width)
Set the size of the image.
Definition: vpImage.h:643
unsigned int getWidth() const
Definition: vpImage.h:246
Type * bitmap
points toward the bitmap
Definition: vpImage.h:143
unsigned int getHeight() const
Definition: vpImage.h:188