public void UnloadGPU()
{
if (GLTextureID != 0)
{
int id = GLTextureID;
Opengl32.glDeleteTextures(1, ref id);
GLTextureID = 0;
}
if (D2DBitmap != null && !D2DBitmap.IsDisposed)
{
D2DBitmap?.Dispose();
}
//D2DBitmap = null;
}
public override void DrawText(string str, PBrush brush, RectangleF rect, float size)
{
float quality = 5;
size = Util.MmToPoint(size);
rect = Util.MmToPoint(rect);
gdi.Graphics dummy = gdi.Graphics.FromHwnd(IntPtr.Zero);
gdi.Font ft = new gdi.Font("Calibri", size / Util.GetScaleFactor() * quality);
gdi.SizeF s = dummy.MeasureString(str, ft);
s.Height *= 2;
s.Height *= quality;
s.Width *= quality;
gdi.Bitmap bmp = new gdi.Bitmap((int)s.Width, (int)s.Height);
gdi.Color c1 = brush.GetColor();
gdi.Color c2 = gdi.Color.FromArgb(0, c1.R, c1.G, c1.B);
gdi.SolidBrush b = new gdi.SolidBrush(c1);
gdi.Graphics g = gdi.Graphics.FromImage(bmp);
g.Clear(c2);
g.DrawString(str, ft, b, new PointF(0, 0));
int tex = GLRenderer.Util.LoadTexture(bmp);
Opengl32.glEnable(GLConsts.GL_TEXTURE_2D);
Opengl32.glBindTexture(GLConsts.GL_TEXTURE_2D, tex);
rect = new RectangleF(rect.X, rect.Y, s.Width / quality, s.Height / quality);
GL.Color(1, 1, 1, 1);
GL.Begin(PrimitiveType.QUADS);
GL.TexCoord(0, 0); GL.Vertex2(rect.Left, rect.Top);
GL.TexCoord(1, 0); GL.Vertex2(rect.Right, rect.Top);
GL.TexCoord(1, 1); GL.Vertex2(rect.Right, rect.Bottom);
GL.TexCoord(0, 1); GL.Vertex2(rect.Left, rect.Bottom);
GL.End();
Opengl32.glDisable(GLConsts.GL_TEXTURE_2D);
Opengl32.glDeleteTextures(1, ref tex);
b.Dispose();
bmp.Dispose();
dummy.Dispose();
}
