// Copyright (C) 2007 Davis E. King (davis@dlib.net)
// License: Boost Software License See LICENSE.txt for the full license.
#include <sstream>
#include <string>
#include <cstdlib>
#include <ctime>
#include <dlib/pixel.h>
#include <dlib/matrix.h>
#include <dlib/image_io.h>
#include "tester.h"
namespace
{
using namespace test;
using namespace dlib;
using namespace std;
logger dlog("test.pixel");
void pixel_test (
)
/*!
ensures
- runs tests on pixel objects and functions for compliance with the specs
!*/
{
print_spinner();
unsigned char p_gray;
unsigned short p_gray16;
long p_int;
float p_float;
signed char p_schar;
rgb_pixel p_rgb,p_rgb2;
hsi_pixel p_hsi, p_hsi2;
rgb_alpha_pixel p_rgba;
lab_pixel p_lab, p_lab2;
assign_pixel(p_int, 0.0f);
assign_pixel(p_float, 0.0f);
assign_pixel(p_schar, 0);
assign_pixel(p_gray, -2);
assign_pixel(p_rgb,0);
assign_pixel(p_hsi, -4);
assign_pixel(p_rgba, p_int);
assign_pixel(p_gray16,0);
assign_pixel(p_lab,-400);
DLIB_TEST(p_int == 0);
DLIB_TEST(p_float == 0);
DLIB_TEST(p_schar == 0);
DLIB_TEST(p_gray == 0);
DLIB_TEST(p_gray16 == 0);
DLIB_TEST(p_rgb.red == 0);
DLIB_TEST(p_rgb.green == 0);
DLIB_TEST(p_rgb.blue == 0);
DLIB_TEST(p_rgba.red == 0);
DLIB_TEST(p_rgba.green == 0);
DLIB_TEST(p_rgba.blue == 0);
DLIB_TEST(p_rgba.alpha == 255);
DLIB_TEST(p_hsi.h == 0);
DLIB_TEST(p_hsi.s == 0);
DLIB_TEST(p_hsi.i == 0);
DLIB_TEST(p_lab.l == 0);
DLIB_TEST(p_lab.a == 128);
DLIB_TEST(p_lab.b == 128);
assign_pixel(p_gray,10);
assign_pixel(p_gray16,10);
assign_pixel(p_rgb,10);
assign_pixel(p_hsi,10);
assign_pixel(p_rgba,10);
assign_pixel(p_lab,10);
assign_pixel(p_int, -10);
assign_pixel(p_float, -10);
assign_pixel(p_schar, -10);
DLIB_TEST(p_int == -10);
DLIB_TEST(p_float == -10);
DLIB_TEST(p_schar == -10);
DLIB_TEST(p_gray == 10);
DLIB_TEST(p_gray16 == 10);
DLIB_TEST(p_rgb.red == 10);
DLIB_TEST(p_rgb.green == 10);
DLIB_TEST(p_rgb.blue == 10);
DLIB_TEST(p_rgba.red == 10);
DLIB_TEST(p_rgba.green == 10);
DLIB_TEST(p_rgba.blue == 10);
DLIB_TEST(p_rgba.alpha == 255);
DLIB_TEST(p_hsi.h == 0);
DLIB_TEST(p_hsi.s == 0);
DLIB_TEST(p_hsi.i == 10);
DLIB_TEST(p_lab.l == 10);
DLIB_TEST(p_lab.a == 128);
DLIB_TEST(p_lab.b == 128);
assign_pixel(p_gray16,12345);
DLIB_TEST(p_gray16 == 12345);
assign_pixel(p_float,3.141);
DLIB_TEST(p_float == 3.141f);
p_rgb.red = 255;
p_rgb.green = 100;
p_rgb.blue = 50;
p_rgba.alpha = 4;
assign_pixel(p_gray,p_rgb);
assign_pixel(p_rgb,p_rgb);
assign_pixel(p_rgba,p_rgb);
assign_pixel(p_hsi,p_rgb);
assign_pixel(p_lab,p_rgb);
assign_pixel(p_float,p_rgb);
assign_pixel(p_int,p_rgb);
assign_pixel(p_schar,p_rgb);
DLIB_TEST(p_schar == std::numeric_limits<signed char>::max());
DLIB_TEST(p_int == (255+100+50)/3);
DLIB_TEST_MSG(p_float == (255+100+50)/3, p_float - (255+100+50)/3);
DLIB_TEST(p_gray == (255+100+50)/3);
DLIB_TEST(p_rgb.red == 255);
DLIB_TEST(p_rgb.green == 100);
DLIB_TEST(p_rgb.blue == 50);
DLIB_TEST(p_rgba.red == 255);
DLIB_TEST(p_rgba.green == 100);
DLIB_TEST(p_rgba.blue == 50);
DLIB_TEST(p_rgba.alpha == 255);
DLIB_TEST(p_hsi.i > 0);
DLIB_TEST(p_hsi.s > 0);
DLIB_TEST(p_hsi.h > 0);
DLIB_TEST(p_lab.l > 0);
DLIB_TEST(p_lab.a > 0);
DLIB_TEST(p_lab.b > 0);
assign_pixel(p_rgb,0);
DLIB_TEST(p_rgb.red == 0);
DLIB_TEST(p_rgb.green == 0);
DLIB_TEST(p_rgb.blue == 0);
assign_pixel(p_rgb, p_hsi);
DLIB_TEST_MSG(p_rgb.red > 251 ,(int)p_rgb.green);
DLIB_TEST_MSG(p_rgb.green > 96 && p_rgb.green < 104,(int)p_rgb.green);
DLIB_TEST_MSG(p_rgb.blue > 47 && p_rgb.blue < 53,(int)p_rgb.green);
assign_pixel(p_rgb,0);
DLIB_TEST(p_rgb.red == 0);
DLIB_TEST(p_rgb.green == 0);
DLIB_TEST(p_rgb.blue == 0);
assign_pixel(p_rgb, p_lab);
DLIB_TEST_MSG(p_rgb.red > 251 ,(int)p_rgb.green);
DLIB_TEST_MSG(p_rgb.green > 96 && p_rgb.green < 104,(int)p_rgb.green);
DLIB_TEST_MSG(p_rgb.blue > 47 && p_rgb.blue < 53,(int)p_rgb.green);
assign_pixel(p_hsi2, p_hsi);
DLIB_TEST(p_hsi.h == p_hsi2.h);
DLIB_TEST(p_hsi.s == p_hsi2.s);
DLIB_TEST(p_hsi.i == p_hsi2.i);
assign_pixel(p_hsi,0);
DLIB_TEST(p_hsi.h == 0);
DLIB_TEST(p_hsi.s == 0);
DLIB_TEST(p_hsi.i == 0);
assign_pixel(p_hsi, p_rgba);
DLIB_TEST(p_hsi.h == p_hsi2.h);
DLIB_TEST(p_hsi.s == p_hsi2.s);
DLIB_TEST(p_hsi.i == p_hsi2.i);
assign_pixel(p_lab2, p_lab);
DLIB_TEST(p_lab.l == p_lab2.l);
DLIB_TEST(p_lab.a == p_lab2.a);
DLIB_TEST(p_lab.b == p_lab2.b);
assign_pixel(p_lab,0);
DLIB_TEST(p_lab.l == 0);
DLIB_TEST(p_lab.a == 128);
DLIB_TEST(p_lab.b == 128);
assign_pixel(p_lab, p_rgba);
DLIB_TEST(p_lab.l == p_lab2.l);
DLIB_TEST(p_lab.a == p_lab2.a);
DLIB_TEST(p_lab.b == p_lab2.b);
assign_pixel(p_rgba, 100);
assign_pixel(p_gray, 10);
assign_pixel(p_rgb, 10);
assign_pixel(p_hsi, 10);
assign_pixel(p_schar, 10);
assign_pixel(p_float, 10);
assign_pixel(p_int, 10);
p_rgba.alpha = 0;
assign_pixel(p_gray, p_rgba);
DLIB_TEST(p_gray == 10);
assign_pixel(p_schar, p_rgba);
DLIB_TEST(p_schar == 10);
assign_pixel(p_int, p_rgba);
DLIB_TEST(p_int == 10);
assign_pixel(p_float, p_rgba);
DLIB_TEST(p_float == 10);
assign_pixel(p_rgb, p_rgba);
DLIB_TEST(p_rgb.red == 10);
DLIB_TEST(p_rgb.green == 10);
DLIB_TEST(p_rgb.blue == 10);
assign_pixel(p_hsi, p_rgba);
assign_pixel(p_hsi2, p_rgb);
DLIB_TEST(p_hsi.h == 0);
DLIB_TEST(p_hsi.s == 0);
DLIB_TEST_MSG(p_hsi.i < p_hsi2.i+2 && p_hsi.i > p_hsi2.i -2,(int)p_hsi.i << " " << (int)p_hsi2.i);
// this value corresponds to RGB(10,10,10)
p_lab.l = 7;
p_lab.a = 128;
p_lab.b = 128;
assign_pixel(p_lab, p_rgba);
assign_pixel(p_lab2, p_rgb);
DLIB_TEST(p_lab.a == 128);
DLIB_TEST(p_lab.b == 128);
DLIB_TEST_MSG(p_lab.l < p_lab2.l+2 && p_lab.l > p_lab2.l -2,(int)p_lab.l << " " << (int)p_lab2.l);
assign_pixel(p_lab, 128);
DLIB_TEST(p_lab.l == 128);
DLIB_TEST(p_lab.a == 128);
DLIB_TEST(p_lab.b == 128);
assign_pixel(p_rgb, p_lab);
//Lab midpoint (50,0,0) is not same as RGB midpoint (127,127,127)
DLIB_TEST(p_rgb.red == 119);
DLIB_TEST(p_rgb.green == 119);
DLIB_TEST(p_rgb.blue == 119);
//Lab limit values test
//red, green, blue, yellow, black, white
p_lab.l = 84;
p_lab.a = 164;
p_lab.b = 56;
assign_pixel(p_rgb, p_lab);
DLIB_TEST(p_rgb.red == 0);
DLIB_TEST(p_rgb.green == 64);
DLIB_TEST(p_rgb.blue == 194);
p_lab.l = 255;
p_lab.a = 0;
p_lab.b = 0;
assign_pixel(p_rgb, p_lab);
DLIB_TEST(p_rgb.red == 0);
DLIB_TEST(p_rgb.green == 255);
DLIB_TEST(p_rgb.blue == 255);
p_lab.l = 0;
p_lab.a = 255;
p_lab.b = 0;
assign_pixel(p_rgb, p_lab);
DLIB_TEST(p_rgb.red == 0);
DLIB_TEST(p_rgb.green == 0);
DLIB_TEST(p_rgb.blue == 195);
p_lab.l = 0;
p_lab.a = 0;
p_lab.b = 255;
assign_pixel(p_rgb, p_lab);
DLIB_TEST(p_rgb.red == 0);
DLIB_TEST(p_rgb.green == 45);
DLIB_TEST(p_rgb.blue == 0);
p_lab.l = 255;
p_lab.a = 255;
p_lab.b = 0;
assign_pixel(p_rgb, p_lab);
DLIB_TEST(p_rgb.red == 255);
DLIB_TEST(p_rgb.green == 139);
DLIB_TEST(p_rgb.blue == 255);
p_lab.l = 0;
p_lab.a = 255;
p_lab.b = 255;
assign_pixel(p_rgb, p_lab);
DLIB_TEST(p_rgb.red == 132);
DLIB_TEST(p_rgb.green == 0);
DLIB_TEST(p_rgb.blue == 0);
p_lab.l = 255;
p_lab.a = 0;
p_lab.b = 255;
assign_pixel(p_rgb, p_lab);
DLIB_TEST(p_rgb.red == 0);
DLIB_TEST(p_rgb.green == 255);
DLIB_TEST(p_rgb.blue == 0);
p_lab.l = 255;
p_lab.a = 255;
p_lab.b = 255;
assign_pixel(p_rgb, p_lab);
DLIB_TEST(p_rgb.red == 255);
DLIB_TEST(p_rgb.green == 70);
DLIB_TEST(p_rgb.blue == 0);
//RGB limit tests
p_rgb.red = 0;
p_rgb.green = 0;
p_rgb.blue = 0;
assign_pixel(p_lab, p_rgb);
assign_pixel(p_rgb2, p_lab);
DLIB_TEST(p_rgb2.red < 3);
DLIB_TEST(p_rgb2.green < 3);
DLIB_TEST(p_rgb2.blue < 3);
p_rgb.red = 255;
p_rgb.green = 0;
p_rgb.blue = 0;
assign_pixel(p_lab, p_rgb);
assign_pixel(p_rgb2, p_lab);
DLIB_TEST(p_rgb2.red > 252);
DLIB_TEST(p_rgb2.green < 3);
DLIB_TEST(p_rgb2.blue < 3);
p_rgb.red = 0;
p_rgb.green = 255;
p_rgb.blue = 0;
assign_pixel(p_lab, p_rgb);
assign_pixel(p_rgb2, p_lab);
DLIB_TEST(p_rgb2.red < 8);
DLIB_TEST(p_rgb2.green > 252);
DLIB_TEST(p_rgb2.blue < 5);
p_rgb.red = 0;
p_rgb.green = 0;
p_rgb.blue = 255;
assign_pixel(p_lab, p_rgb);
assign_pixel(p_rgb2, p_lab);
DLIB_TEST(p_rgb2.red < 3);
DLIB_TEST(p_rgb2.green < 3);
DLIB_TEST(p_rgb2.blue > 252);
p_rgb.red = 255;
p_rgb.green = 255;
p_rgb.blue = 0;
assign_pixel(p_lab, p_rgb);
assign_pixel(p_rgb2, p_lab);
DLIB_TEST(p_rgb2.red > 252);
DLIB_TEST(p_rgb2.green > 252);
DLIB_TEST(p_rgb2.blue < 9);
p_rgb.red = 0;
p_rgb.green = 255;
p_rgb.blue = 255;
assign_pixel(p_lab, p_rgb);
assign_pixel(p_rgb2, p_lab);
DLIB_TEST(p_rgb2.red < 5);
DLIB_TEST(p_rgb2.green > 252);
DLIB_TEST(p_rgb2.blue > 252);
p_rgb.red = 255;
p_rgb.green = 0;
p_rgb.blue = 255;
assign_pixel(p_lab, p_rgb);
assign_pixel(p_rgb2, p_lab);
DLIB_TEST(p_rgb2.red> 252);
DLIB_TEST(p_rgb2.green < 6);
DLIB_TEST(p_rgb2.blue > 252);
p_rgb.red = 255;
p_rgb.green = 255;
p_rgb.blue = 255;
assign_pixel(p_lab, p_rgb);
assign_pixel(p_rgb2, p_lab);
DLIB_TEST(p_rgb2.red > 252 );
DLIB_TEST(p_rgb2.green> 252);
DLIB_TEST(p_rgb2.blue > 252);
assign_pixel(p_rgba, 100);
assign_pixel(p_gray, 10);
assign_pixel(p_schar, 10);
assign_pixel(p_float, 10);
assign_pixel(p_int, 10);
assign_pixel(p_rgb, 10);
p_rgba.alpha = 128;
assign_pixel(p_gray, p_rgba);
assign_pixel(p_schar, p_rgba);
assign_pixel(p_float, p_rgba);
assign_pixel(p_int, p_rgba);
assign_pixel(p_rgb, p_rgba);
DLIB_TEST(p_gray == (100 + 10)/2);
DLIB_TEST(p_schar == (100 + 10)/2);
DLIB_TEST(p_int == (100 + 10)/2);
DLIB_TEST(p_float == (100 + 10)/2);
DLIB_TEST(p_rgb.red == (100 + 10)/2);
DLIB_TEST(p_rgb.green == (100 + 10)/2);
DLIB_TEST(p_rgb.blue == (100 + 10)/2);
assign_pixel(p_rgba, 100);
assign_pixel(p_gray, 10);
assign_pixel(p_schar, 10);
assign_pixel(p_int, 10);
assign_pixel(p_float, 10);
assign_pixel(p_rgb, 10);
DLIB_TEST(p_rgba.alpha == 255);
assign_pixel(p_gray, p_rgba);
assign_pixel(p_schar, p_rgba);
assign_pixel(p_int, p_rgba);
assign_pixel(p_float, p_rgba);
assign_pixel(p_rgb, p_rgba);
DLIB_TEST(p_gray == 100);
DLIB_TEST(p_schar == 100);
DLIB_TEST(p_int == 100);
DLIB_TEST(p_float == 100);
DLIB_TEST(p_rgb.red == 100);
DLIB_TEST(p_rgb.green == 100);
DLIB_TEST(p_rgb.blue == 100);
p_rgb.red = 1;
p_rgb.green = 2;
p_rgb.blue = 3;
p_rgba.red = 4;
p_rgba.green = 5;
p_rgba.blue = 6;
p_rgba.alpha = 7;
p_gray = 8;
p_schar = 9;
p_int = 10;
p_float = 8.5;
p_hsi.h = 9;
p_hsi.s = 10;
p_hsi.i = 11;
p_lab.l = 10;
p_lab.a = 9;
p_lab.b = 8;
ostringstream sout;
serialize(p_rgb,sout);
serialize(p_rgba,sout);
serialize(p_gray,sout);
serialize(p_schar,sout);
serialize(p_int,sout);
serialize(p_float,sout);
serialize(p_hsi,sout);
serialize(p_lab,sout);
assign_pixel(p_rgb,0);
assign_pixel(p_rgba,0);
assign_pixel(p_gray,0);
assign_pixel(p_schar,0);
assign_pixel(p_int,0);
assign_pixel(p_float,0);
assign_pixel(p_hsi,0);
assign_pixel(p_lab,0);
istringstream sin(sout.str());
deserialize(p_rgb,sin);
deserialize(p_rgba,sin);
deserialize(p_gray,sin);
deserialize(p_schar,sin);
deserialize(p_int,sin);
deserialize(p_float,sin);
deserialize(p_hsi,sin);
deserialize(p_lab,sin);
DLIB_TEST(p_rgb.red == 1);
DLIB_TEST(p_rgb.green == 2);
DLIB_TEST(p_rgb.blue == 3);
DLIB_TEST(p_rgba.red == 4);
DLIB_TEST(p_rgba.green == 5);
DLIB_TEST(p_rgba.blue == 6);
DLIB_TEST(p_rgba.alpha == 7);
DLIB_TEST(p_gray == 8);
DLIB_TEST(p_schar == 9);
DLIB_TEST(p_int == 10);
DLIB_TEST(p_float == 8.5);
DLIB_TEST(p_hsi.h == 9);
DLIB_TEST(p_hsi.s == 10);
DLIB_TEST(p_hsi.i == 11);
DLIB_TEST(p_lab.l == 10);
DLIB_TEST(p_lab.a == 9);
DLIB_TEST(p_lab.b == 8);
{
matrix<double,1,1> m_gray, m_schar, m_int, m_float;
matrix<double,3,1> m_rgb, m_hsi, m_lab;
m_gray = pixel_to_vector<double>(p_gray);
m_schar = pixel_to_vector<double>(p_schar);
m_int = pixel_to_vector<double>(p_int);
m_float = pixel_to_vector<double>(p_float);
m_hsi = pixel_to_vector<double>(p_hsi);
m_rgb = pixel_to_vector<double>(p_rgb);
m_lab = pixel_to_vector<double>(p_lab);
DLIB_TEST(m_gray(0) == p_gray);
DLIB_TEST(m_float(0) == p_float);
DLIB_TEST(m_int(0) == p_int);
DLIB_TEST(m_schar(0) == p_schar);
DLIB_TEST(m_rgb(0) == p_rgb.red);
DLIB_TEST(m_rgb(1) == p_rgb.green);
DLIB_TEST(m_rgb(2) == p_rgb.blue);
DLIB_TEST(m_hsi(0) == p_hsi.h);
DLIB_TEST(m_hsi(1) == p_hsi.s);
DLIB_TEST(m_hsi(2) == p_hsi.i);
DLIB_TEST(m_lab(0) == p_lab.l);
DLIB_TEST(m_lab(1) == p_lab.a);
DLIB_TEST(m_lab(2) == p_lab.b);
DLIB_TEST(p_rgb.red == 1);
DLIB_TEST(p_rgb.green == 2);
DLIB_TEST(p_rgb.blue == 3);
DLIB_TEST(p_rgba.red == 4);
DLIB_TEST(p_rgba.green == 5);
DLIB_TEST(p_rgba.blue == 6);
DLIB_TEST(p_rgba.alpha == 7);
DLIB_TEST(p_gray == 8);
DLIB_TEST(p_int == 10);
DLIB_TEST(p_float == 8.5);
DLIB_TEST(p_schar == 9);
DLIB_TEST(p_hsi.h == 9);
DLIB_TEST(p_hsi.s == 10);
DLIB_TEST(p_hsi.i == 11);
DLIB_TEST(p_lab.l == 10);
DLIB_TEST(p_lab.a == 9);
DLIB_TEST(p_lab.b == 8);
assign_pixel(p_gray,0);
assign_pixel(p_hsi,0);
assign_pixel(p_rgb,0);
assign_pixel(p_lab,0);
vector_to_pixel(p_float, m_float);
vector_to_pixel(p_gray, m_gray);
vector_to_pixel(p_hsi, m_hsi);
vector_to_pixel(p_rgb, m_rgb);
vector_to_pixel(p_lab, m_lab);
DLIB_TEST(p_rgb.red == 1);
DLIB_TEST(p_rgb.green == 2);
DLIB_TEST(p_rgb.blue == 3);
DLIB_TEST(p_rgba.red == 4);
DLIB_TEST(p_rgba.green == 5);
DLIB_TEST(p_rgba.blue == 6);
DLIB_TEST(p_rgba.alpha == 7);
DLIB_TEST(p_gray == 8);
DLIB_TEST(p_float == 8.5);
DLIB_TEST(p_hsi.h == 9);
DLIB_TEST(p_hsi.s == 10);
DLIB_TEST(p_hsi.i == 11);
DLIB_TEST(p_lab.l == 10);
DLIB_TEST(p_lab.a == 9);
DLIB_TEST(p_lab.b == 8);
}
{
unsigned char p_gray;
unsigned short p_gray16;
long p_int;
float p_float;
signed char p_schar;
rgb_pixel p_rgb;
hsi_pixel p_hsi, p_hsi2;
rgb_alpha_pixel p_rgba;
lab_pixel p_lab;
assign_pixel(p_gray, 0);
assign_pixel(p_gray16, 0);
assign_pixel(p_int, 0);
assign_pixel(p_float, 0);
assign_pixel(p_schar, 0);
assign_pixel(p_rgb, 0);
assign_pixel(p_hsi, 0);
assign_pixel(p_lab, 0);
assign_pixel(p_gray, 100);
assign_pixel(p_schar, p_gray);
DLIB_TEST(p_schar == 100);
assign_pixel(p_gray, 200);
assign_pixel(p_schar, p_gray);
DLIB_TEST(p_schar == std::numeric_limits<signed char>::max());
assign_pixel(p_int, p_gray);
DLIB_TEST(p_int == 200);
assign_pixel(p_float, p_gray);
DLIB_TEST(p_float == 200);
assign_pixel(p_rgb, p_float);
DLIB_TEST(p_rgb.red == 200);
DLIB_TEST(p_rgb.green == 200);
DLIB_TEST(p_rgb.blue == 200);
p_schar = 0;
assign_pixel(p_schar, p_rgb);
DLIB_TEST(p_schar == std::numeric_limits<signed char>::max());
p_schar = -10;
assign_pixel(p_float, p_schar);
DLIB_TEST(p_float == -10);
assign_pixel(p_int, p_schar);
DLIB_TEST(p_int == -10);
assign_pixel(p_schar, p_schar);
DLIB_TEST(p_schar == -10);
assign_pixel(p_gray, p_schar);
DLIB_TEST(p_gray == 0);
assign_pixel(p_rgb, p_schar);
DLIB_TEST(p_rgb.red == 0);
DLIB_TEST(p_rgb.green == 0);
DLIB_TEST(p_rgb.blue == 0);
assign_pixel(p_gray16, p_schar);
DLIB_TEST(p_gray16 == 0);
DLIB_TEST(get_pixel_intensity(p_float) == -10);
DLIB_TEST(get_pixel_intensity(p_int) == -10);
DLIB_TEST(get_pixel_intensity(p_schar) == -10);
DLIB_TEST(get_pixel_intensity(p_rgb) == 0);
DLIB_TEST(get_pixel_intensity(p_gray16) == 0);
p_rgb.red = 100;
p_rgb.green = 100;
p_rgb.blue = 100;
DLIB_TEST(get_pixel_intensity(p_rgb) == 100);
p_rgb.red = 1;
p_rgb.green = 2;
p_rgb.blue = 3;
DLIB_TEST(get_pixel_intensity(p_rgb) == 2);
p_rgba.alpha = 100;
p_rgba.red = 100;
p_rgba.green = 100;
p_rgba.blue = 100;
DLIB_TEST(get_pixel_intensity(p_rgba) == 100);
p_rgba.red = 1;
p_rgba.green = 2;
p_rgba.blue = 3;
p_rgba.alpha = 0;
DLIB_TEST(get_pixel_intensity(p_rgba) == 2);
p_hsi.h = 123;
p_hsi.s = 100;
p_hsi.i = 84;
DLIB_TEST(get_pixel_intensity(p_hsi) == 84);
p_lab.l = 123;
p_lab.a = 100;
p_lab.b = 84;
DLIB_TEST(get_pixel_intensity(p_lab) == 123);
p_float = 54.25;
DLIB_TEST(get_pixel_intensity(p_float) == 54.25);
assign_pixel(p_gray, p_float);
DLIB_TEST(get_pixel_intensity(p_gray) == 54);
assign_pixel_intensity(p_float, -1000);
assign_pixel_intensity(p_schar, -100);
assign_pixel_intensity(p_int, -10000);
assign_pixel_intensity(p_gray, -100);
p_rgba.red = 10;
p_rgba.green = 10;
p_rgba.blue = 10;
p_rgba.alpha = 0;
DLIB_TEST_MSG(get_pixel_intensity(p_rgba) == 10, (int)get_pixel_intensity(p_rgba));
assign_pixel_intensity(p_rgba, 2);
DLIB_TEST_MSG(p_rgba.red == 2, (int)p_rgba.red);
DLIB_TEST_MSG(p_rgba.green == 2, (int)p_rgba.green);
DLIB_TEST_MSG(p_rgba.blue == 2, (int)p_rgba.blue);
DLIB_TEST_MSG(p_rgba.alpha == 0, (int)p_rgba.alpha);
DLIB_TEST_MSG(get_pixel_intensity(p_rgba) == 2, (int)get_pixel_intensity(p_rgba));
DLIB_TEST(p_float == -1000);
DLIB_TEST(get_pixel_intensity(p_float) == -1000);
DLIB_TEST(p_schar == -100);
DLIB_TEST(get_pixel_intensity(p_schar) == -100);
DLIB_TEST(p_int == -10000);
DLIB_TEST(get_pixel_intensity(p_int) == -10000);
DLIB_TEST(p_gray == 0);
assign_pixel_intensity(p_gray, 1000);
DLIB_TEST(p_gray == 255);
DLIB_TEST(get_pixel_intensity(p_gray) == 255);
assign_pixel_intensity(p_float, p_gray);
DLIB_TEST(p_float == 255);
DLIB_TEST(get_pixel_intensity(p_float) == 255);
assign_pixel_intensity(p_int, p_gray);
DLIB_TEST(p_int == 255);
DLIB_TEST(get_pixel_intensity(p_int) == 255);
p_float = 1e10;
assign_pixel(p_schar, p_float);
DLIB_TEST(p_schar == std::numeric_limits<signed char>::max());
p_float = -1e10;
assign_pixel(p_schar, p_float);
DLIB_TEST(p_schar == std::numeric_limits<signed char>::min());
double p_double = 1e200;
assign_pixel(p_float, p_double);
DLIB_TEST(p_float == std::numeric_limits<float>::max());
p_double = -1e200;
assign_pixel(p_float, p_double);
DLIB_TEST(p_float == -std::numeric_limits<float>::max());
}
}
class pixel_tester : public tester
{
public:
pixel_tester (
) :
tester ("test_pixel",
"Runs tests on the pixel objects and functions.")
{}
void perform_test (
)
{
pixel_test();
}
} a;
}