protected override void OnGLRender(object sender, EventArgs args)
{
GL.Clear(ClearBufferMask.ColorBufferBit);
canvas2d.StrokeColor = PixelFarm.Drawing.Color.Blue;
//line
canvas2d.DrawLine(50, 50, 200, 200);
//--------------------------------------------
//rect
canvas2d.DrawRect(2.5f, 1.5f, 50, 50);
canvas2d.FillRect(PixelFarm.Drawing.Color.Green, 50, 50, 50, 50);
//--------------------------------------------
//circle & ellipse
canvas2d.DrawCircle(100, 100, 25);
canvas2d.DrawEllipse(200, 200, 25, 50);
canvas2d.FillCircle(PixelFarm.Drawing.Color.OrangeRed, 100, 400, 25);
canvas2d.FillEllipse(PixelFarm.Drawing.Color.OrangeRed, 200, 400, 25, 50);
//--------------------------------------------
//polygon
float[] polygon1 = new float[] {
50, 200,
250, 200,
125, 350
};
canvas2d.DrawPolygon(polygon1, 3);
float[] polygon2 = new float[] {
250, 400,
450, 400,
325, 550
};
canvas2d.FillPolygon(PixelFarm.Drawing.Color.Green, polygon2);
//--------------------------------------------
miniGLControl.SwapBuffers();
}
public override void Init()
{
FormTestWinGLControl2 form = new FormTestWinGLControl2();
CanvasGL2d canvas = new CanvasGL2d(this.Width, this.Height);
GLTextPrinter glTextPrinter = new GLTextPrinter(canvas);
form.SetGLPaintHandler((o, s) =>
{
canvas.Clear(PixelFarm.Drawing.Color.White);
if (hwBmp == null)
{
hwBmp = PixelFarm.Drawing.DrawingGL.GLBitmapTextureHelper.CreateBitmapTexture(
new Bitmap("../../../Data/Textures/logo-dark.jpg"));
}
//canvas.DrawImage(hwBmp, 10, 10);
canvas.DrawImage(hwBmp, 300, 300, hwBmp.Width / 4, hwBmp.Height / 4);
canvas.StrokeColor = PixelFarm.Drawing.Color.DeepPink;
canvas.DrawLine(0, 300, 500, 300);
//-----------------------------------------------------
canvas.StrokeColor = PixelFarm.Drawing.Color.Magenta;
//draw line test
canvas.DrawLine(20, 20, 600, 200);
//-----------------------------------------------------
//smooth with agg
canvas.SmoothMode = CanvasSmoothMode.AggSmooth;
var fillColor = new PixelFarm.Drawing.Color(50, 255, 0, 0); // PixelFarm.Drawing.Color.Red;
//rect polygon
var polygonCoords = new float[] {
5, 300,
40, 300,
50, 340,
10f, 340
};
//canvas.DrawPolygon(polygonCoords);
//fill polygon test
canvas.FillPolygon(fillColor, polygonCoords);
var polygonCoords2 = new float[] {
5 + 10, 300,
40 + 10, 300,
50 + 10, 340,
10f + 10, 340
};
canvas.StrokeColor = new PixelFarm.Drawing.Color(100, 0, 255, 0); // L
canvas.DrawPolygon(polygonCoords2, polygonCoords2.Length / 2);
int strokeW = 10;
canvas.StrokeColor = PixelFarm.Drawing.Color.LightGray;
for (int i = 1; i < 90; i += 10)
{
canvas.StrokeWidth = strokeW;
double angle = OpenTK.MathHelper.DegreesToRadians(i);
canvas.DrawLine(20, 400, (float)(600 * Math.Cos(angle)), (float)(600 * Math.Sin(angle)));
strokeW--;
if (strokeW < 1)
{
strokeW = 1;
}
}
var color = PixelFarm.Drawing.Color.FromArgb(150, PixelFarm.Drawing.Color.Green);
canvas.StrokeColor = color;
////---------------------------------------------
////draw ellipse and circle
canvas.StrokeWidth = 0.75f;
canvas.DrawCircle(400, 500, 50);
canvas.FillCircle(color, 450, 550, 25);
canvas.StrokeWidth = 3;
canvas.DrawRoundRect(500, 450, 100, 100, 10, 10);
canvas.StrokeWidth = 3;
canvas.StrokeColor = PixelFarm.Drawing.Color.FromArgb(150, PixelFarm.Drawing.Color.Blue);
//canvas.DrawBezierCurve(0, 0, 500, 500, 0, 250, 500, 250);
canvas.DrawBezierCurve(120, 500 - 160, 220, 500 - 40, 35, 500 - 200, 220, 500 - 260);
canvas.SmoothMode = CanvasSmoothMode.No;
//canvas.DrawArc(150, 200, 300, 50, 0, 150, 150, SvgArcSize.Large, SvgArcSweep.Negative);
canvas.DrawArc(100, 200, 300, 200, 30, 30, 50, SvgArcSize.Large, SvgArcSweep.Negative);
// canvas.DrawArc(100, 200, 300, 200, 0, 100, 100, SvgArcSize.Large, SvgArcSweep.Negative);
fillColor = PixelFarm.Drawing.Color.FromArgb(150, PixelFarm.Drawing.Color.Black);
canvas.StrokeColor = fillColor;
canvas.DrawLine(100, 200, 300, 200);
//load font data
var font = PixelFarm.Agg.Fonts.NativeFontStore.LoadFont("c:\\Windows\\Fonts\\Tahoma.ttf", 64);
var fontGlyph = font.GetGlyph('{');
//PixelFarm.Font2.MyFonts.SetShapingEngine();
canvas.FillVxs(fillColor, fontGlyph.flattenVxs);
glTextPrinter.CurrentFont = font;
canvas.StrokeColor = PixelFarm.Drawing.Color.Black;
canvas.DrawLine(0, 200, 500, 200);
//test Thai words
glTextPrinter.Print("ดุดีดำด่าด่ำญญู", 80, 200);
//number
glTextPrinter.Print("1234567890", 80, 200);
GLBitmap bmp = PixelFarm.Drawing.DrawingGL.GLBitmapTextureHelper.CreateBitmapTexture(fontGlyph.glyphImage32);
canvas.DrawImage(bmp, 50, 50);
bmp.Dispose();
});
form.Show();
}