C++:Programming Tutorial

C++:Top Ten Tips

Hello World

Convert to Number

Read Text File

Sum an Array

Count 0 to 9

Hash Table

Regular Expression

Read Database

Read XML

Define a Class

An introduction to computer programming using C++. Comprising

• Tutorials which present problems and their solutions.
• How to... guides to completing common tasks.
• GLUT Tutorial Using OpenGL with glut.
• Practice with 3D Geometry Points, vectors, planes.

An Example: drawing the French tricolour

You can create images using C++ and the Image Magic Library. The first tutorial Flags looks at drawing flags of the world, from simple flags such as Libya to more complicated flags such as the Stars and Stripes of the USA.

Notice that the blue rectangle is at (0,0), it is 50 wide and 100 deep so the commands to draw the blue rectangle are:

 g.fillColor("blue");
 g.draw(DrawableRectangle(0,0,50,100));

.

int drawFlag(Image& g){ g.fillColor("blue"); g.draw(DrawableRectangle(0,0,50,100)); g.fillColor("white"); g.draw(DrawableRectangle(50,100,50,100)); g.fillColor("red"); g.draw(DrawableRectangle(100,0,150,100)); return 0; }

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