rotate


Description:

public void rotate (double radians)

Example: Rotated text:

public static int main (string[] args) {
// Create a context:
Cairo.ImageSurface surface = new Cairo.ImageSurface (Cairo.Format.ARGB32, 340, 300);
Cairo.Context context = new Cairo.Context (surface);

// The matrix:
Cairo.Matrix matrix = Cairo.Matrix.identity ();
matrix.rotate (-1 * 10.0 * Math.PI /180.0);
matrix.scale (40, 40);

// Text:
context.set_source_rgb (0.1, 0.1, 0.1);
context.select_font_face ("Adventure", Cairo.FontSlant.NORMAL, Cairo.FontWeight.BOLD);
context.set_font_size (20);
context.move_to (30, 200);
context.set_font_matrix (matrix);
context.show_text ("Indiana Jones");

// Save the image:
surface.write_to_png ("img.png");

return 0;
}

valac --pkg cairo rotated-text.vala