public Text(GBXMLContainer initData, RenderNode parent)
: base(initData, parent)
{
text = InitData["Text"].Text;
font = ProcessManager.ActiveProcess.rManager.GetOrCreateFont(InitData["Font"].Text);
autoText = bool.Parse(InitData["AutoText","true"].Text);
}
public Texture GetOrCreateTexture(string Name2Search, GBFont font, string text, SizeF size, bool autoText)
{
Texture text2Return = GetTexture(Name2Search, "");
if (text2Return == null)
{
text2Return = new Texture(Name2Search, font, text, size, autoText);
createdTextures.Add(text2Return);
}
return text2Return;
}
public GBFont GetOrCreateFont(string Name2Search, string fileName = "")
{
GBFont font2Return = GetFont(Name2Search, fileName);
if (font2Return == null)
{
font2Return = new GBFont(Name2Search, fileName);
createdFonts.Add(font2Return);
}
return font2Return;
}
internal Texture(string name_, GBFont font, string text, SizeF orSize, bool autoText)
: base(name_,string.Empty)
{
GBDebug.Assert(orSize.Width > 0 || autoText, "Trying to create texture with width 0");
GBDebug.Assert(orSize.Height > 0 || autoText, "Trying to create texture with height 0");
SizeF sz = autoText ? MeasureString(text, font.FontData) : orSize;
bmp = new Bitmap((int)sz.Width, (int)sz.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
gfx = System.Drawing.Graphics.FromImage(bmp);
gfx.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
texture = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, texture);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, (int)sz.Width, (int)sz.Height, 0,
OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
loaded = true;
DrawString(text, font);
}
internal void DrawString(string text, GBFont font, PointF point = new PointF(), Brush brush = null)
{
if (brush == null)
brush = Brushes.White;
Color tr = Color.Transparent;
// tr = Color.FromArgb(128, 0, 0, 0);
gfx.Clear(tr);
gfx.DrawString(text, font.FontData, brush, point);
SizeF size = gfx.MeasureString(text, font.FontData);
Rectangle dirty_region = new Rectangle(new Point(), bmp.Size);
System.Drawing.Imaging.BitmapData data = bmp.LockBits(dirty_region,
System.Drawing.Imaging.ImageLockMode.ReadOnly,
System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.BindTexture(TextureTarget.Texture2D, texture);
GL.TexSubImage2D(TextureTarget.Texture2D, 0,
dirty_region.X, dirty_region.Y, dirty_region.Width, dirty_region.Height,
OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, data.Scan0);
bmp.UnlockBits(data);
}
