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Updated to match latest TextureFont revision.

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the_fiddler 2007-11-01 23:24:32 +00:00
parent 3c7d774b09
commit d1663fcd6d
1 changed files with 92 additions and 33 deletions
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125
Source/Examples/Tutorial/Fonts.cs
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@ -24,65 +24,48 @@ namespace Examples.Tutorial
this.VSync = VSyncMode.On;
}
TextureFont serif = new TextureFont(new Font(FontFamily.GenericSerif, 16.0f));
TextureFont serif = new TextureFont(new Font(FontFamily.GenericSerif, 24.0f));
string[] poem = new StreamReader("Data/Poem.txt").ReadToEnd().Replace('\r', ' ').Split('\n');
//string[] poem = new StreamReader("Data/Poem.txt").ReadToEnd().Replace('\r', ' ').Split('\n');
string[] poem = new string[] { "AAA", "AAAAA" };
float scroll_speed;
float scroll_position;
float initial_position;
float warparound_position;
float current_position;
int display_list;
public override void OnLoad(EventArgs e)
{
GL.Enable(GL.Enums.EnableCap.TEXTURE_2D);
serif.LoadGlyphs("ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz,.!?;()\'- ");
GL.Enable(GL.Enums.EnableCap.BLEND);
GL.BlendFunc(GL.Enums.BlendingFactorSrc.SRC_ALPHA, GL.Enums.BlendingFactorDest.ONE_MINUS_SRC_ALPHA);
//serif.LoadGlyphs("ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz,.!?;()\'- ");
serif.LoadGlyphs("A");
GL.ClearColor(Color.Gray);
current_position = initial_position;
scroll_speed = -1.0f;
/*
display_list = GL.GenLists(1);
GL.NewList(1, GL.Enums.ListMode.COMPILE);
GL.PushMatrix();
GL.MatrixMode(GL.Enums.MatrixMode.PROJECTION);
GL.LoadIdentity();
GL.Ortho(0.0, Width, Height, 0.0, 0.0, 1.0);
GL.MatrixMode(GL.Enums.MatrixMode.MODELVIEW);
GL.LoadIdentity();
int i = 0, line = 0;
float x_pos, accum_x_pos = 0.0f;
foreach (string str in poem)
{
GL.Translate(0.0f, serif.LineSpacing * line, 0.0f);
foreach (char c in str)
{
serif.PrintFast(c);
x_pos = serif.MeasureWidth(str.Substring(i++, 1));
accum_x_pos += x_pos;
GL.Translate((int)(x_pos + 0.5f), 0.0f, 0.0f);
}
GL.LoadIdentity();
i = 0;
++line;
}
GL.PopMatrix();
GL.EndList();
GL.EndList();*/
}
protected override void OnResize(OpenTK.Platform.ResizeEventArgs e)
{
GL.Viewport(0, 0, Width, Height);
initial_position = Height + serif.LineSpacing;
warparound_position = -(poem.Length + 1) * serif.LineSpacing;
initial_position = Height + serif.Height;
warparound_position = -(poem.Length + 1) * serif.Height;
}
public override void OnUpdateFrame(UpdateFrameEventArgs e)
@ -111,8 +94,84 @@ namespace Examples.Tutorial
GL.Clear(GL.Enums.ClearBufferMask.COLOR_BUFFER_BIT);
//GL.Translate(0.0f, scroll_position, 0.0f);
GL.CallList(display_list);
GL.MatrixMode(GL.Enums.MatrixMode.PROJECTION);
GL.LoadIdentity();
GL.Ortho(0.0, Width, Height, 0.0, 0.0, 1.0);
GL.MatrixMode(GL.Enums.MatrixMode.MODELVIEW);
GL.LoadIdentity();
GL.Translate(0.0f, scroll_position, 0.0f);
//RectangleF rect = serif.FindRectangle('A');
RectangleF rect = new RectangleF();
float width, height;
int texture;
serif.GlyphData('A', ref rect, out width, out height, out texture);
GL.BindTexture(GL.Enums.TextureTarget.TEXTURE_2D, texture);
GL.Enable(GL.Enums.EnableCap.BLEND);
GL.BlendFunc(GL.Enums.BlendingFactorSrc.SRC_ALPHA, GL.Enums.BlendingFactorDest.ONE_MINUS_SRC_ALPHA);
//GL.Color4(Color.White);
GL.Begin(GL.Enums.BeginMode.QUADS);
GL.TexCoord2(rect.Left, rect.Top);
GL.Vertex2(0.0, 0.0);
GL.TexCoord2(rect.Right, rect.Top);
GL.Vertex2(width, 0.0);
GL.TexCoord2(rect.Right, rect.Bottom);
GL.Vertex2(width, height);
GL.TexCoord2(rect.Left, rect.Bottom);
GL.Vertex2(0.0, height);
GL.End();
serif.Draw();
/*
int i = 0, line = 0;
float x_pos, accum_x_pos = 0.0f;
foreach (string str in poem)
{
GL.Translate(0.0f, scroll_position + serif.Height * line, 0.0f);
foreach (char c in str)
{
//serif.PrintFast(c);
RectangleF rect = serif.FindRectangle(c);
//GL.Color4(Color.White);
GL.Begin(GL.Enums.BeginMode.QUADS);
GL.TexCoord2(rect.Left, rect.Top);
GL.Vertex2(0.0f, 0.0f);
GL.TexCoord2(rect.Right, rect.Top);
GL.Vertex2(rect.Width * 512, 0.0f);
GL.TexCoord2(rect.Right, rect.Bottom);
GL.Vertex2(rect.Width * 512, rect.Height * 512);
GL.TexCoord2(rect.Left, rect.Bottom);
GL.Vertex2(0.0f, rect.Height * 512);
GL.End();
x_pos = serif.MeasureWidth(str.Substring(i++, 1));
accum_x_pos += x_pos;
GL.Translate((int)(x_pos + 0.5f), 0.0f, 0.0f);
}
GL.LoadIdentity();
i = 0;
++line;
}
*/
//GL.CallList(display_list);
SwapBuffers();
}