public void DrawString(char[] text, int startAt, int len, double x, double y)
{
if (this.UseSubPixelRendering)
{
//1. clear prev drawing result
_aggPainter.Clear(Drawing.Color.FromArgb(0, 0, 0, 0));
//aggPainter.Clear(Drawing.Color.White);
//aggPainter.Clear(Drawing.Color.FromArgb(0, 0, 0, 0));
//2. print text span into Agg Canvas
textPrinter.DrawString(text, startAt, len, 0, 0);
//3.copy to gl bitmap
byte[] buffer = PixelFarm.Agg.ActualImage.GetBuffer(actualImage);
//------------------------------------------------------
GLBitmap glBmp = new GLBitmap(bmpWidth, bmpHeight, buffer, true);
glBmp.IsInvert = false;
//TODO: review font height
canvas.DrawGlyphImageWithSubPixelRenderingTechnique(glBmp, (float)x, (float)y + 40);
glBmp.Dispose();
}
else
{
//1. clear prev drawing result
_aggPainter.Clear(Drawing.Color.FromArgb(0, 0, 0, 0));
//2. print text span into Agg Canvas
textPrinter.DrawString(text, startAt, len, 0, 0);
//3.copy to gl bitmap
byte[] buffer = PixelFarm.Agg.ActualImage.GetBuffer(actualImage);
//------------------------------------------------------
GLBitmap glBmp = new GLBitmap(bmpWidth, bmpHeight, buffer, true);
glBmp.IsInvert = false;
//TODO: review font height
canvas.DrawGlyphImage(glBmp, (float)x, (float)y + 40);
glBmp.Dispose();
}
}
public void DrawString(char[] text, int startAt, int len, double x, double y)
{
if (this.UseSubPixelRendering)
{
//1. clear prev drawing result
_aggPainter.Clear(Drawing.Color.FromArgb(0, 0, 0, 0));
//aggPainter.Clear(Drawing.Color.White);
//aggPainter.Clear(Drawing.Color.FromArgb(0, 0, 0, 0));
//2. print text span into Agg Canvas
_vxsTextPrinter.DrawString(text, startAt, len, 0, 0);
//3.copy to gl bitmap
//byte[] buffer = PixelFarm.Agg.ActualImage.GetBuffer(_actualImage);
//------------------------------------------------------
GLBitmap glBmp = new GLBitmap(_actualImage);
glBmp.IsInvert = false;
//TODO: review font height
if (StartDrawOnLeftTop)
{
y -= _vxsTextPrinter.FontLineSpacingPx;
}
_glsx.DrawGlyphImageWithSubPixelRenderingTechnique(glBmp, (float)x, (float)y);
glBmp.Dispose();
}
else
{
//1. clear prev drawing result
_aggPainter.Clear(Drawing.Color.White);
_aggPainter.StrokeColor = Color.Black;
//2. print text span into Agg Canvas
_vxsTextPrinter.StartDrawOnLeftTop = false;
float dyOffset = _vxsTextPrinter.FontDescedingPx;
_vxsTextPrinter.DrawString(text, startAt, len, 0, -dyOffset);
//------------------------------------------------------
//debug save image from agg's buffer
#if DEBUG
//actualImage.dbugSaveToPngFile("d:\\WImageTest\\aa1.png");
#endif
//------------------------------------------------------
//3.copy to gl bitmap
//byte[] buffer = PixelFarm.Agg.ActualImage.GetBuffer(_actualImage);
//------------------------------------------------------
//debug save image from agg's buffer
//------------------------------------------------------
//GLBitmap glBmp = new GLBitmap(bmpWidth, bmpHeight, buffer, true);
GLBitmap glBmp = new GLBitmap(_actualImage);
glBmp.IsInvert = false;
//TODO: review font height
//if (StartDrawOnLeftTop)
//{
y += _vxsTextPrinter.FontLineSpacingPx;
//}
_glsx.DrawGlyphImage(glBmp, (float)x, (float)y + dyOffset);
glBmp.Dispose();
}
}
public void DrawString(char[] text, double x, double y)
{
aggPainter.Clear(Drawing.Color.White);
//draw text
textPrinter.DrawString(text, 0, 18);
byte[] buffer = PixelFarm.Agg.ActualImage.GetBuffer(actualImage);
//------------------------------------------------------
GLBitmap glBmp = new GLBitmap(bmpWidth, bmpHeight, buffer, true);
bool isYFliped = canvas.FlipY;
if (isYFliped)
{
canvas.DrawImage(glBmp, (float)x, (float)y);
}
else
{
canvas.FlipY = true;
canvas.DrawImage(glBmp, (float)x, (float)y);
canvas.FlipY = false;
}
glBmp.Dispose();
}