public GPURenderer3(System.Windows.Forms.Control cltr)
{
this.cltr = cltr;
Console.WriteLine("Create Renderer {0}", Thread.CurrentThread.ManagedThreadId);
ctx = new RenderContext(cltr);
IsHardware = true;
float scale = GetScaleFactor();
Width = cltr.Width;
Height = cltr.Height;
Opengl32.glEnable(GLConsts.GL_MULTISAMPLE);
}
public override void DrawImage(Image img, RectangleF rect)
{
if (img.GLTextureID == 0)
{
img.LoadGL();
}
Opengl32.glBindTexture(GLConsts.GL_TEXTURE_2D, img.GLTextureID);
Opengl32.glEnable(GLConsts.GL_TEXTURE_2D);
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);
}
public override void DrawRenderBitmap(RenderBitmap bmp)
{
float x1 = 0, y1 = 0, x2 = Width, y2 = Height;
if (bmp == null || !(bmp is RenderBitmap3))
{
return;
}
Opengl32.glEnable(GLConsts.GL_TEXTURE_2D);
Opengl32.glBindTexture(GLConsts.GL_TEXTURE_2D, ((RenderBitmap3)bmp).FBO.Texture);
GL.Color(1, 1, 1, 1);
GL.Begin(PrimitiveType.QUADS);
GL.TexCoord(0, 1); GL.Vertex2(x1, y1);
GL.TexCoord(1, 1); GL.Vertex2(x2, y1);
GL.TexCoord(1, 0); GL.Vertex2(x2, y2);
GL.TexCoord(0, 0); GL.Vertex2(x1, y2);
GL.End();
Opengl32.glDisable(GLConsts.GL_TEXTURE_2D);
}
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();
}
public override void Init()
{
ctx.InitAsync();
ctx.MakeCurrent();
NativeGL.nglInit();
Opengl32.glBlendFunc(GLConsts.GL_SRC_ALPHA, GLConsts.GL_ONE_MINUS_SRC_ALPHA);
Opengl32.glEnable(GLConsts.GL_BLEND);
int eSize = 32;
ellipse = new gdi.Bitmap(eSize, eSize);
var g = gdi.Graphics.FromImage(ellipse);
g.Clear(gdi.Color.Transparent);
g.SmoothingMode = gdi2d.SmoothingMode.HighQuality;
g.FillEllipse(gdi.Brushes.White, new RectangleF(1, 1, eSize - 2, eSize - 2));
texEllipse = Kritzel.GLRenderer.Util.LoadTexture(ellipse);
int eDet = 16;
pEllipseX = new float[3 * eDet];
pEllipseY = new float[3 * eDet];
float l_x = 1, l_y = 0;
for (int i = 0; i < eDet; i++)
{
float arg = (i + 1) / (float)eDet * 2 * (float)Math.PI;
float x = (float)Math.Cos(arg);
float y = (float)Math.Sin(arg);
pEllipseX[i * 3] = l_x;
pEllipseY[i * 3] = l_y;
pEllipseX[i * 3 + 1] = 0;
pEllipseY[i * 3 + 1] = 0;
l_x = x; l_y = y;
pEllipseX[i * 3 + 2] = x;
pEllipseY[i * 3 + 2] = y;
}
}
