# embedding images [fltk]

Bjarne Stroustrup “Programming Principles and Practice Using C++”
Chapter 13 Drill 4
Using GUI library called FLTK (Fast Light Tool Kit, “full tick”).

```Output:

```
```//  Philipp Siedler
//  Bjarne Stroustrup's PP
//  Chapter 13 Drill 4

#define _USE_MATH_DEFINES
#include "Simple_window.h"
#include "Graph.h"
#include <cmath>
using namespace Graph_lib;

int main()
try
{
Point tl(100, 100);
Simple_window win(tl, 1000, 800, "Simple Window");

int x_grid = 100;
int y_grid = 100;
int x_size = 800;
int y_size = 800;

//grid
Lines grid;
grid.set_color(Color::black);

for (int x = x_grid; x < x_size; x += x_grid) {
}
for (int y = y_grid; y < y_size; y += y_grid) {
}

//diagonal rectangles
Vector_ref<Graph_lib::Rectangle> diagonal_rectangles;

for (int i = 0; i < 8; i++) {
diagonal_rectangles.push_back(new Graph_lib::Rectangle(Point(x_grid * i, y_grid * i), x_grid, y_grid));
diagonal_rectangles[i].set_fill_color(Color::red);
win.attach(diagonal_rectangles[i]);
}

//three iamges
Image image0(Point(2 * x_grid, 0), "Input/Original-JPG-Image_large.jpg");
image0.set_mask(Point(5 * x_grid, 500), 200, 200);

Image image1(Point(4 * x_grid, 0), "Input/Original-JPG-Image_large.jpg");
image1.set_mask(Point(5 * x_grid, 500), 200, 200);

Image image2(Point(6 * x_grid, 0), "Input/Original-JPG-Image_large.jpg");
image2.set_mask(Point(5 * x_grid, 500), 200, 200);

win.attach(image0);
win.attach(image1);
win.attach(image2);

win.attach(grid);
win.wait_for_button();
}
catch (exception& e) {
cout << e.what() << endl;
return 1;
}
catch (...) {
cout << "Exiting" << endl;
return 2;
}
```

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