protected override void OnGLRender(object sender, EventArgs args)
{
_pcx.SmoothMode = SmoothMode.Smooth;
_painter.StrokeColor = _pcx.StrokeColor = PixelFarm.Drawing.Color.Blue;
_pcx.Clear(PixelFarm.Drawing.Color.White); //set clear color and clear all buffer
_pcx.ClearColorBuffer(); //test , clear only color buffer
//-------------------------------
float prevStrokeW = _pcx.StrokeWidth;
switch (T102_1_StrokeWidth)
{
default: throw new NotSupportedException();
case T102_1_StrokeWidth.HalfPx:
_pcx.StrokeWidth = 0.5f;
break;
case T102_1_StrokeWidth.OnePx:
_pcx.StrokeWidth = 1;
break;
case T102_1_StrokeWidth.TwoPx:
_pcx.StrokeWidth = 2;
break;
case T102_1_StrokeWidth.ThreePx:
_pcx.StrokeWidth = 3;
break;
case T102_1_StrokeWidth.FourPx:
_pcx.StrokeWidth = 4;
break;
case T102_1_StrokeWidth.FivePx:
_pcx.StrokeWidth = 5;
break;
}
PixelFarm.Drawing.RenderSurfaceOriginKind prevOrgKind = _pcx.OriginKind; //save
switch (DrawSet)
{
default:
case T102_1_Set.Lines:
{
_pcx.OriginKind = PixelFarm.Drawing.RenderSurfaceOriginKind.LeftTop;
for (int i = 0; i < 400;)
{
_pcx.DrawLine(i + 10, i + 10, i + 30, i + 50);
i += 50;
}
//
_pcx.OriginKind = PixelFarm.Drawing.RenderSurfaceOriginKind.LeftBottom;
for (int i = 0; i < 400;)
{
_pcx.DrawLine(i + 10, i + 10, i + 30, i + 50);
i += 50;
}
}
break;
case T102_1_Set.FillRect:
{
_pcx.OriginKind = PixelFarm.Drawing.RenderSurfaceOriginKind.LeftTop;
for (int i = 0; i < 400;)
{
_pcx.FillRect(PixelFarm.Drawing.Color.Red, i, i, 50, 50);
i += 50;
}
//
_pcx.OriginKind = PixelFarm.Drawing.RenderSurfaceOriginKind.LeftBottom;
for (int i = 0; i < 400;)
{
_pcx.FillRect(PixelFarm.Drawing.Color.Red, i, i, 50, 50);
i += 50;
}
}
break;
case T102_1_Set.DrawRect:
{
_pcx.OriginKind = PixelFarm.Drawing.RenderSurfaceOriginKind.LeftTop;
for (int i = 0; i < 400;)
{
_painter.DrawRect(i, i, 50, 50);
i += 50;
}
//
_pcx.OriginKind = PixelFarm.Drawing.RenderSurfaceOriginKind.LeftBottom;
for (int i = 0; i < 400;)
{
_painter.DrawRect(i, i, 50, 50);
i += 50;
}
}
break;
}
_pcx.OriginKind = prevOrgKind;//restore
_pcx.StrokeWidth = prevStrokeW;
}