public HUD()
{
if (this.DesignMode)
{
opengl = false;
//return;
}
//InitializeComponent();
graphicsObject = this;
graphicsObjectGDIP = Graphics.FromImage(objBitmap);
}
void drawstring(HUD e, string text, Font font, float fontsize, Brush brush, float x, float y)
{
if (!opengl)
{
drawstring(graphicsObjectGDIP, text, font, fontsize, brush, x, y);
return;
}
if (text == null || text == "")
return;
/*
OpenTK.Graphics.Begin();
GL.PushMatrix();
GL.Translate(x, y, 0);
printer.Print(text, font, c);
GL.PopMatrix(); printer.End();
*/
char[] chars = text.ToCharArray();
float maxy = 1;
foreach (char cha in chars)
{
int charno = (int)cha;
int charid = charno + (128 * (int)fontsize); // 128 * 40 * 5;128
if (charbitmaps[charid] == null)
{
charbitmaps[charid] = new Bitmap(128, 128, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
charbitmaps[charid].MakeTransparent(Color.Transparent);
//charbitmaptexid
float maxx = this.Width / 150; // for space
// create bitmap
using (Graphics gfx = Graphics.FromImage(charbitmaps[charid]))
{
pth.Reset();
if (text != null)
pth.AddString(cha + "", font.FontFamily, 0, fontsize + 5, new Point((int)0, (int)0), StringFormat.GenericTypographic);
gfx.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
gfx.DrawPath(P, pth);
//Draw the face
gfx.FillPath(brush, pth);
if (pth.PointCount > 0)
{
foreach (PointF pnt in pth.PathPoints)
{
if (pnt.X > maxx)
maxx = pnt.X;
if (pnt.Y > maxy)
maxy = pnt.Y;
}
}
}
charwidth[charid] = (int)(maxx + 2);
//charbitmaps[charid] = charbitmaps[charid].Clone(new RectangleF(0, 0, maxx + 2, maxy + 2), charbitmaps[charid].PixelFormat);
//charbitmaps[charno * (int)fontsize].Save(charno + " " + (int)fontsize + ".png");
// create texture
int textureId;
GL.TexEnv(TextureEnvTarget.TextureEnv, TextureEnvParameter.TextureEnvMode, (float)TextureEnvModeCombine.Replace);//Important, or wrong color on some computers
Bitmap bitmap = charbitmaps[charid];
GL.GenTextures(1, out textureId);
GL.BindTexture(TextureTarget.Texture2D, textureId);
BitmapData data = bitmap.LockBits(new System.Drawing.Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, data.Width, data.Height, 0, OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, data.Scan0);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
// GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)All.Nearest);
//GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)All.Nearest);
GL.Finish();
bitmap.UnlockBits(data);
charbitmaptexid[charid] = textureId;
}
//GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.Enable(EnableCap.Texture2D);
GL.BindTexture(TextureTarget.Texture2D, charbitmaptexid[charid]);
float scale = 1.0f;
GL.Begin(BeginMode.Quads);
GL.TexCoord2(0, 0); GL.Vertex2(x, y);
GL.TexCoord2(1, 0); GL.Vertex2(x + charbitmaps[charid].Width * scale, y);
GL.TexCoord2(1, 1); GL.Vertex2(x + charbitmaps[charid].Width * scale, y + charbitmaps[charid].Height * scale);
GL.TexCoord2(0, 1); GL.Vertex2(x + 0, y + charbitmaps[charid].Height * scale);
GL.End();
//GL.Disable(EnableCap.Blend);
GL.Disable(EnableCap.Texture2D);
x += charwidth[charid] * scale;
}
}
public HUD()
{
if (this.DesignMode)
return;
InitializeComponent();
graphicsObject = this;
graphicsObjectGDIP = Graphics.FromImage(objBitmap);
}
