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#region License
//
// The Open Toolkit Library License
//
// Copyright (c) 2006 - 2009 the Open Toolkit library.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do
// so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#endregion
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using OpenTK.Graphics;
using OpenTK.Graphics.OpenGL;
namespace Examples.WinForms
{
[Example("Font rendering (basic)", ExampleCategory.OpenTK, "Fonts", Difficulty = 1, Documentation = "FontRenderingBasic", Visible=false)]
public partial class FontRenderingBasic : Form
{
#region Fields
float[] sizes = new float[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 24 };
List<Font> fonts = new List<Font>();
//TextPrinter printer = new TextPrinter();
#endregion
#region Constructors
public FontRenderingBasic()
{
InitializeComponent();
ResizeRedraw = true;
glControl1.Width = ClientSize.Width;
glControl1.Height = ClientSize.Height;
UpdateFontList(fontDialog.Font);
glControl1_Resize(this, EventArgs.Empty);
}
#endregion
#region Private Members
void UpdateFontList(Font base_font)
{
//printer.Clear();
foreach (Font font in fonts)
font.Dispose();
fonts.Clear();
foreach (float size in sizes)
fonts.Add(new Font(base_font.Name, base_font.SizeInPoints + size, base_font.Style));
}
#endregion
#region Events
private void glControl1_Load(object sender, EventArgs e)
{
glControl1.MakeCurrent();
}
private void changeFont_Click(object sender, EventArgs e)
{
if (fontDialog.ShowDialog() == DialogResult.OK)
{
UpdateFontList(fontDialog.Font);
glControl1.Invalidate();
}
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
glControl1.Invalidate();
}
private void glControl1_Paint(object sender, PaintEventArgs e)
{
glControl1.MakeCurrent();
GL.ClearColor(Color.MidnightBlue);
GL.Clear(ClearBufferMask.ColorBufferBit);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
GL.Ortho(0, glControl1.ClientSize.Width, glControl1.ClientSize.Height, 0, -1, 1);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
foreach (Font font in fonts)
{
//printer.Print(textBox1.Text, font, Color.White);
GL.Translate(0, font.Height + 5, 0);
}
glControl1.SwapBuffers();
}
private void glControl1_Resize(object sender, EventArgs e)
{
glControl1.MakeCurrent();
if (glControl1.ClientSize.Height == 0)
glControl1.ClientSize = new System.Drawing.Size(glControl1.ClientSize.Width, 1);
GL.Viewport(0, 0, glControl1.ClientSize.Width, glControl1.ClientSize.Height);
}
#endregion
#region public static void Main()
/// <summary>
/// Entry point of this example.
/// </summary>
[STAThread]
public static void Main()
{
using (FontRenderingBasic example = new FontRenderingBasic())
{
Utilities.SetWindowTitle(example);
example.ShowDialog();
}
}
#endregion
}
}
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