GCC Code Coverage Report

Directory: ./
File: tasks/ivanova_p_marking_components_on_binary_image/data/image_generator.hpp
Date: 2026-04-02 17:12:27
Exec Total Coverage
Lines: 81 90 90.0%
Functions: 16 16 100.0%
Branches: 136 148 91.9%
Line Branch Exec Source
1 #pragma once
2
3 #include <cstddef>
4 #include <cstdint>
5 #include <fstream>
6 #include <ios>
7 #include <string>
8
9 #include "ivanova_p_marking_components_on_binary_image/common/include/common.hpp"
10
11 namespace ivanova_p_marking_components_on_binary_image {
12 // Функция для загрузки изображения из текстового файла
13 96 inline Image LoadImageFromTxt(const std::string &filename) {
14 96 Image img;
15
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 96 std::ifstream file(filename);
16
17
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 96 if (!file.is_open()) {
18 ✗ img.width = 0;
19 ✗ img.height = 0;
20 ✗ return img;
21 }
22
23
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 96 file >> img.width >> img.height;
24
25
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 96 if (img.width <= 0 || img.height <= 0) {
26 ✗ img.width = 0;
27 ✗ img.height = 0;
28 ✗ return img;
29 }
30
31
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 96 img.data.resize(static_cast<size_t>(img.width) * static_cast<size_t>(img.height));
32
33
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 3480 for (size_t i = 0; i < img.data.size(); ++i) {
34 3384 int pixel_value = 0;
35
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 3384 if (!(file >> pixel_value)) {
36 ✗ img.width = 0;
37 ✗ img.height = 0;
38 ✗ return img;
39 }
40 // Преобразуем в бинарное: если пиксель темный (< 128), то 1, иначе 0
41 // 0 - объект (черный), 255 - фон (белый)
42
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 5736 img.data[i] = (pixel_value < 128) ? 1 : 0;
43 }
44
45
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 96 file.close();
46 return img;
47 96 }
48
49 // Вспомогательные функции для создания тестовых изображений
50 namespace test_image_helpers {
51
52 inline bool IsPixelInTestCase1(int xx, int yy, int width, int height) {
53
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 177600 return xx > width / 4 && xx < (3 * width) / 4 && yy > height / 4 && yy < (3 * height) / 4;
54 }
55
56 240000 inline bool IsPixelInTestCase2(int xx, int yy, int width, int height) {
57
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 240000 return (xx > width / 8 && xx < (3 * width) / 8 && yy > height / 8 && yy < (3 * height) / 8) ||
58
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 226176 (xx > (5 * width) / 8 && xx < (7 * width) / 8 && yy > (5 * height) / 8 && yy < (7 * height) / 8);
59 }
60
61 240000 inline bool IsPixelInTestCase3(int xx, int yy, int width, int height) {
62
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 213600 return (xx > width / 10 && xx < (3 * width) / 10 && yy > height / 10 && yy < (3 * height) / 10) ||
63
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 444936 (xx > (4 * width) / 10 && xx < (6 * width) / 10 && yy > (4 * height) / 10 && yy < (6 * height) / 10) ||
64
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 222672 (xx > (7 * width) / 10 && xx < (9 * width) / 10 && yy > (7 * height) / 10 && yy < (9 * height) / 10);
65 }
66
67 240000 inline bool IsPixelInTestCase4(int xx, int yy, int width, int height) {
68
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 168000 return (xx > width / 3 && xx < ((width / 3) + 5) && yy > height / 4 && yy < (3 * height) / 4) ||
69
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 398592 (xx > (2 * width) / 3 && xx < (((2 * width) / 3) + 5) && yy > height / 4 && yy < (3 * height) / 4) ||
70
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 148992 (xx > width / 3 && xx < (((2 * width) / 3) + 5) && yy > ((height / 2) - 2) && yy < ((height / 2) + 2));
71 }
72
73 240000 inline bool IsPixelInTestCase7(int xx, int yy, int width, int height) {
74
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 240000 return (xx == width / 2 && yy == height / 4) || (xx == (3 * width) / 4 && yy == height / 4) ||
75
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 479952 (xx == width / 4 && yy == (3 * height) / 4) || (xx == (3 * width) / 4 && yy == (3 * height) / 4);
76 }
77
78 inline bool IsPixelInTestCase8(int xx, int yy, int width, int height) {
79 240000 int cell_width = width / 3;
80 240000 int cell_height = height / 3;
81 240000 int local_x = xx % cell_width;
82 240000 int local_y = yy % cell_height;
83
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 172800 return local_x > cell_width / 4 && local_x < (3 * cell_width) / 4 && local_y > cell_height / 4 &&
84
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 77760 local_y < (3 * cell_height) / 4;
85 }
86
87 } // namespace test_image_helpers
88
89 // Вспомогательные функции для каждого тестового случая
90 namespace test_case_generators {
91
92
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 240000 inline uint8_t GetPixelForTestCase1(int xx, int yy, int width, int height) {
93 240000 return test_image_helpers::IsPixelInTestCase1(xx, yy, width, height) ? 1 : 0;
94 }
95
96 240000 inline uint8_t GetPixelForTestCase2(int xx, int yy, int width, int height) {
97
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 240000 return test_image_helpers::IsPixelInTestCase2(xx, yy, width, height) ? 1 : 0;
98 }
99
100 240000 inline uint8_t GetPixelForTestCase3(int xx, int yy, int width, int height) {
101
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 240000 return test_image_helpers::IsPixelInTestCase3(xx, yy, width, height) ? 1 : 0;
102 }
103
104 240000 inline uint8_t GetPixelForTestCase4(int xx, int yy, int width, int height) {
105
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 240000 return test_image_helpers::IsPixelInTestCase4(xx, yy, width, height) ? 1 : 0;
106 }
107
108 320000 inline uint8_t GetPixelForTestCase5(int /*xx*/, int /*yy*/, int /*width*/, int /*height*/) {
109 320000 return 0;
110 }
111
112 240000 inline uint8_t GetPixelForTestCase6(int xx, int yy, int width, int height) {
113
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 240000 return (xx == width / 2 && yy == height / 2) ? 1 : 0;
114 }
115
116 240000 inline uint8_t GetPixelForTestCase7(int xx, int yy, int width, int height) {
117
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 240000 return test_image_helpers::IsPixelInTestCase7(xx, yy, width, height) ? 1 : 0;
118 }
119
120
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 240000 inline uint8_t GetPixelForTestCase8(int xx, int yy, int width, int height) {
121 240000 return test_image_helpers::IsPixelInTestCase8(xx, yy, width, height) ? 1 : 0;
122 }
123
124 240000 inline uint8_t GetPixelForTestCase9(int xx, int yy, int width, int height) {
125 (void)xx;
126 (void)width;
127
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 240000 return (yy == height / 2) ? 1 : 0;
128 }
129
130 240000 inline uint8_t GetPixelForTestCase10(int xx, int yy, int width, int height) {
131 (void)yy;
132 (void)height;
133
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 240000 return (xx == width / 2) ? 1 : 0;
134 }
135
136 } // namespace test_case_generators
137
138 // Вспомогательная функция для создания тестовых изображений
139 248 inline Image CreateTestImage(int width, int height, int test_case) {
140 248 Image img;
141 248 img.width = width;
142 248 img.height = height;
143
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 248 img.data.resize(static_cast<size_t>(width) * static_cast<size_t>(height));
144
145 // Выбираем функцию-генератор в зависимости от test_case
146 uint8_t (*generator)(int, int, int, int) = nullptr;
147
148
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 248 switch (test_case) {
149 case 1:
150 generator = test_case_generators::GetPixelForTestCase1;
151 break;
152 24 case 2:
153 generator = test_case_generators::GetPixelForTestCase2;
154 24 break;
155 24 case 3:
156 generator = test_case_generators::GetPixelForTestCase3;
157 24 break;
158 24 case 4:
159 generator = test_case_generators::GetPixelForTestCase4;
160 24 break;
161 case 5:
162 generator = test_case_generators::GetPixelForTestCase5;
163 break;
164 24 case 6:
165 generator = test_case_generators::GetPixelForTestCase6;
166 24 break;
167 24 case 7:
168 generator = test_case_generators::GetPixelForTestCase7;
169 24 break;
170 24 case 8:
171 generator = test_case_generators::GetPixelForTestCase8;
172 24 break;
173 24 case 9:
174 generator = test_case_generators::GetPixelForTestCase9;
175 24 break;
176 24 case 10:
177 generator = test_case_generators::GetPixelForTestCase10;
178 24 break;
179 default:
180 generator = test_case_generators::GetPixelForTestCase5; // фон по умолчанию
181 break;
182 }
183
184
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 25048 for (int yy = 0; yy < height; ++yy) {
185
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 2504800 for (int xx = 0; xx < width; ++xx) {
186 2480000 int idx = (yy * width) + xx;
187
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 2480000 img.data[idx] = generator(xx, yy, width, height);
188 }
189 }
190
191 248 return img;
192 }
193 } // namespace ivanova_p_marking_components_on_binary_image
194