GCC Code Coverage Report

Line	Branch	Exec	Source
1			/*
2			* Copyright (c) 2000-2022 Inria
3			* All rights reserved.
4			*
5			* Redistribution and use in source and binary forms, with or without
6			* modification, are permitted provided that the following conditions are met:
7			*
8			* * Redistributions of source code must retain the above copyright notice,
9			* this list of conditions and the following disclaimer.
10			* * Redistributions in binary form must reproduce the above copyright notice,
11			* this list of conditions and the following disclaimer in the documentation
12			* and/or other materials provided with the distribution.
13			* * Neither the name of the ALICE Project-Team nor the names of its
14			* contributors may be used to endorse or promote products derived from this
15			* software without specific prior written permission.
16			*
17			* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18			* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20			* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
21			* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22			* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23			* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24			* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25			* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26			* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27			* POSSIBILITY OF SUCH DAMAGE.
28			*
29			* Contact: Bruno Levy
30			*
31			* https://www.inria.fr/fr/bruno-levy
32			*
33			* Inria,
34			* Domaine de Voluceau,
35			* 78150 Le Chesnay - Rocquencourt
36			* FRANCE
37			*
38			*/
39
40			#include <geogram/image/image.h>
41
42			namespace GEO {
43
44			//_________________________________________________________
45
46		✗	size_t Image::nb_components(ColorEncoding color_rep) {
47			size_t result = 0;
48		✗	switch(color_rep) {
49		✗	case GRAY:
50			case INDEXED:
51			result = 1;
52		✗	break;
53		✗	case RGB:
54			case BGR:
55			case YUV:
56			result = 3;
57		✗	break;
58		✗	case RGBA:
59			result = 4;
60		✗	break;
61			}
62		✗	return result;
63			}
64
65		✗	size_t Image::bytes_per_component(ComponentEncoding component_rep) {
66			size_t result = 0;
67			switch(component_rep) {
68			case BYTE:
69			result = 1;
70			break;
71			case INT16:
72			result = 2;
73			break;
74			case INT32:
75			case FLOAT32:
76			result = 4;
77			break;
78			case FLOAT64:
79			result = 8;
80			break;
81			}
82		✗	return result;
83			}
84
85		✗	Image::Image() {
86		✗	bytes_per_pixel_ = 0 ;
87		✗	dimension_ = 0 ;
88		✗	size_[0] = 0 ;
89		✗	size_[1] = 0 ;
90		✗	size_[2] = 0 ;
91		✗	factor_[0] = 0 ;
92		✗	factor_[1] = 0 ;
93		✗	factor_[2] = 0 ;
94		✗	base_mem_ = nullptr ;
95		✗	}
96
97		✗	Image::~Image() {
98		✗	delete[] base_mem_;
99		✗	bytes_per_pixel_ = 0 ;
100		✗	dimension_ = 0 ;
101		✗	size_[0] = 0 ;
102		✗	size_[1] = 0 ;
103		✗	size_[2] = 0 ;
104		✗	factor_[0] = 0 ;
105		✗	factor_[1] = 0 ;
106		✗	factor_[2] = 0 ;
107		✗	base_mem_ = nullptr ;
108		✗	}
109
110		✗	void Image::initialize(
111			ColorEncoding color_rep, ComponentEncoding component_rep,
112			index_t size_x, index_t size_y, index_t size_z
113			) {
114		✗	color_encoding_ = color_rep;
115		✗	component_encoding_ = component_rep;
116		✗	bytes_per_pixel_ =
117		✗	nb_components(color_rep) * bytes_per_component(component_rep);
118		✗	size_[0] = size_x ;
119		✗	size_[1] = size_y ;
120		✗	size_[2] = size_z ;
121		✗	dimension_ = 3;
122		✗	if(size_z == 1) {
123		✗	dimension_ = 2 ;
124		✗	if(size_y == 1) {
125		✗	dimension_ = 1 ;
126			}
127			}
128		✗	factor_[0] = bytes_per_pixel_ ;
129		✗	factor_[1] = factor_[0] * size_x ;
130		✗	factor_[2] = factor_[1] * size_y ;
131		✗	delete[] base_mem_;
132		✗	base_mem_ = new Memory::byte[bytes()];
133			Memory::clear(base_mem_, bytes());
134		✗	}
135
136		✗	void Image::acquire() {
137		✗	}
138
139		✗	void Image::flip_vertically() {
140		✗	index_t bpp=index_t(bytes_per_pixel());
141			index_t h = height() ;
142			index_t w = width() ;
143		✗	index_t row_len = w * bpp ;
144		✗	for(index_t j=0; j< h/2; j++) {
145			// get a pointer to the two lines we will swap
146		✗	Memory::pointer row1 = base_mem() + j * row_len ;
147		✗	Memory::pointer row2 = base_mem() + (h - 1 - j) * row_len ;
148			// for each point on line, swap all the channels
149		✗	for(index_t i=0; i<w; i++) {
150		✗	for (index_t k=0;k<bpp;k++) {
151		✗	std::swap(row1[bpp*i+k], row2[bpp*i+k]);
152			}
153			}
154			}
155		✗	}
156
157		✗	void Image::swap_components(index_t channel1, index_t channel2) {
158		✗	size_t nb_comp = nb_components(color_encoding());
159		✗	size_t bytes_per_comp = bytes_per_component(component_encoding());
160		✗	geo_assert(channel1 < nb_comp);
161		✗	geo_assert(channel2 < nb_comp);
162			size_t bpp = bytes_per_pixel();
163			size_t nb_pix = nb_pixels();
164			Memory::pointer pixel_base = base_mem();
165		✗	size_t channel1_offset = bytes_per_comp*channel1;
166		✗	size_t channel2_offset = bytes_per_comp*channel2;
167		✗	for(size_t i=0; i<nb_pix; ++i) {
168			Memory::pointer channel1_base = pixel_base + channel1_offset;
169			Memory::pointer channel2_base = pixel_base + channel2_offset;
170		✗	for(index_t c=0; c<bytes_per_comp; ++c) {
171		✗	std::swap(channel1_base[c], channel2_base[c]);
172			}
173		✗	pixel_base += bpp;
174			}
175		✗	}
176
177
178			//_________________________________________________________
179
180			}
181