void UpdateRenderOutput()
{
if (!_readyToRender)
{
return;
}
//
//test option use be used with lcd subpixel rendering.
//this demonstrate how we shift a pixel for subpixel rendering tech
_devVxsTextPrinter.UseWithLcdSubPixelRenderingTechnique = true;
//1. read typeface from font file
TypographyTest.RenderChoice renderChoice = _basicOptions.RenderChoice;
switch (renderChoice)
{
case TypographyTest.RenderChoice.RenderWithGdiPlusPath:
//not render in this example
//see more at ...
break;
case TypographyTest.RenderChoice.RenderWithTextPrinterAndMiniAgg:
{
//clear previous draw
painter.Clear(PixelFarm.Drawing.Color.White);
painter.UseSubPixelLcdEffect = false;
painter.FillColor = PixelFarm.Drawing.Color.Black;
selectedTextPrinter = _devVxsTextPrinter;
selectedTextPrinter.Typeface = _basicOptions.Typeface;
selectedTextPrinter.FontSizeInPoints = _basicOptions.FontSizeInPoints;
selectedTextPrinter.ScriptLang = _basicOptions.ScriptLang;
selectedTextPrinter.PositionTechnique = _basicOptions.PositionTech;
selectedTextPrinter.HintTechnique = HintTechnique.None;
selectedTextPrinter.EnableLigature = true;
_devVxsTextPrinter.UpdateGlyphLayoutSettings();
//
_controllerForPixelFarm.ReadyToRender = true;
_controllerForPixelFarm.UpdateOutput();
//----------------
//copy from Agg's memory buffer to gdi
PixelFarm.Agg.Imaging.BitmapHelper.CopyToGdiPlusBitmapSameSize(destImg, winBmp);
g.Clear(Color.White);
g.DrawImage(winBmp, new Point(10, 0));
}
break;
default:
throw new NotSupportedException();
}
}
void UpdateRenderOutput()
{
if (!_readyToRender)
{
return;
}
//
if (g == null)
{
destImg = new ActualImage(800, 600, PixelFormat.ARGB32);
imgGfx2d = new ImageGraphics2D(destImg); //no platform
painter = new AggCanvasPainter(imgGfx2d);
winBmp = new Bitmap(destImg.Width, destImg.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
g = this.CreateGraphics();
painter.CurrentFont = new PixelFarm.Drawing.RequestFont("tahoma", 14);
_devVxsTextPrinter = new VxsTextPrinter(painter, _basicOptions.OpenFontStore);
_devVxsTextPrinter.TargetCanvasPainter = painter;
_devVxsTextPrinter.ScriptLang = _basicOptions.ScriptLang;
_devVxsTextPrinter.PositionTechnique = Typography.TextLayout.PositionTechnique.OpenFont;
//_devGdiTextPrinter.TargetGraphics = g;
}
if (string.IsNullOrEmpty(this.txtInputChar.Text))
{
return;
}
//test option use be used with lcd subpixel rendering.
//this demonstrate how we shift a pixel for subpixel rendering tech
_devVxsTextPrinter.UseWithLcdSubPixelRenderingTechnique = _contourAnalysisOpts.SetupPrinterLayoutForLcdSubPix;
//1. read typeface from font file
TypographyTest.RenderChoice renderChoice = _basicOptions.RenderChoice;
switch (renderChoice)
{
case TypographyTest.RenderChoice.RenderWithGdiPlusPath:
//not render in this example
//see more at ...
break;
case TypographyTest.RenderChoice.RenderWithTextPrinterAndMiniAgg:
{
//clear previous draw
painter.Clear(PixelFarm.Drawing.Color.White);
painter.UseSubPixelRendering = _contourAnalysisOpts.LcdTechnique;
painter.FillColor = PixelFarm.Drawing.Color.Black;
selectedTextPrinter = _devVxsTextPrinter;
selectedTextPrinter.Typeface = _basicOptions.Typeface;
selectedTextPrinter.FontSizeInPoints = _basicOptions.FontSizeInPoints;
selectedTextPrinter.ScriptLang = _basicOptions.ScriptLang;
selectedTextPrinter.PositionTechnique = _basicOptions.PositionTech;
selectedTextPrinter.HintTechnique = _glyphRenderOptions.HintTechnique;
selectedTextPrinter.EnableLigature = _glyphRenderOptions.EnableLigature;
//test print 3 lines
#if DEBUG
GlyphDynamicOutline.dbugTestNewGridFitting = _contourAnalysisOpts.EnableGridFit;
GlyphDynamicOutline.dbugActualPosToConsole = _contourAnalysisOpts.WriteFitOutputToConsole;
GlyphDynamicOutline.dbugUseHorizontalFitValue = _contourAnalysisOpts.UseHorizontalFitAlignment;
#endif
char[] printTextBuffer = this.txtInputChar.Text.ToCharArray();
float x_pos = 0, y_pos = 200;
float lineSpacingPx = selectedTextPrinter.FontLineSpacingPx;
for (int i = 0; i < 1; ++i)
{
selectedTextPrinter.DrawString(printTextBuffer, x_pos, y_pos);
y_pos -= lineSpacingPx;
}
//copy from Agg's memory buffer to gdi
PixelFarm.Agg.Imaging.BitmapHelper.CopyToGdiPlusBitmapSameSize(destImg, winBmp);
g.Clear(Color.White);
g.DrawImage(winBmp, new Point(10, 0));
}
break;
//==============================================
//render 1 glyph for debug and test
case TypographyTest.RenderChoice.RenderWithMsdfGen:
case TypographyTest.RenderChoice.RenderWithSdfGen:
{
char testChar = this.txtInputChar.Text[0];
Typeface typeFace = _basicOptions.Typeface;
RenderWithMsdfImg(typeFace, testChar, _basicOptions.FontSizeInPoints);
}
break;
case TypographyTest.RenderChoice.RenderWithMiniAgg_SingleGlyph:
{
selectedTextPrinter = _devVxsTextPrinter;
//for test only 1 char
RenderSingleCharWithMiniAgg(
_basicOptions.Typeface,
this.txtInputChar.Text[0],
_basicOptions.FontSizeInPoints);
}
break;
default:
throw new NotSupportedException();
}
}
void UpdateRenderOutput()
{
if (!_readyToRender)
{
return;
}
//
if (_g == null)
{
_destImg = new MemBitmap(800, 600);
_painter = AggPainter.Create(_destImg);
_winBmp = new Bitmap(_destImg.Width, _destImg.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
_g = this.CreateGraphics();
_painter.CurrentFont = new PixelFarm.Drawing.RequestFont("tahoma", 14);
_textService = new LayoutFarm.OpenFontTextService();
_textService.LoadFontsFromFolder("../../../TestFonts");
_devVxsTextPrinter = new VxsTextPrinter(_painter, _textService);
_devVxsTextPrinter.ScriptLang = _basicOptions.ScriptLang;
_devVxsTextPrinter.PositionTechnique = Typography.TextLayout.PositionTechnique.OpenFont;
}
if (string.IsNullOrEmpty(this.txtInputChar.Text))
{
return;
}
//test option use be used with lcd subpixel rendering.
//this demonstrate how we shift a pixel for subpixel rendering tech
if (_contourAnalysisOpts.SetupPrinterLayoutForLcdSubPix)
{
//TODO: set lcd or not here
}
else
{
//TODO: set lcd or not here
}
//1. read typeface from font file
TypographyTest.RenderChoice renderChoice = _basicOptions.RenderChoice;
switch (renderChoice)
{
case TypographyTest.RenderChoice.RenderWithGdiPlusPath:
//not render in this example
//see more at ...
break;
case TypographyTest.RenderChoice.RenderWithTextPrinterAndMiniAgg:
{
//clear previous draw
_painter.Clear(PixelFarm.Drawing.Color.White);
_painter.UseSubPixelLcdEffect = _contourAnalysisOpts.LcdTechnique;
_painter.FillColor = PixelFarm.Drawing.Color.Black;
_selectedTextPrinter = _devVxsTextPrinter;
_selectedTextPrinter.Typeface = _basicOptions.Typeface;
_selectedTextPrinter.FontSizeInPoints = _basicOptions.FontSizeInPoints;
_selectedTextPrinter.ScriptLang = _basicOptions.ScriptLang;
_selectedTextPrinter.PositionTechnique = _basicOptions.PositionTech;
_selectedTextPrinter.HintTechnique = _glyphRenderOptions.HintTechnique;
_selectedTextPrinter.EnableLigature = _glyphRenderOptions.EnableLigature;
_selectedTextPrinter.SimulateSlant = _contourAnalysisOpts.SimulateSlant;
//test print 3 lines
#if DEBUG
GlyphDynamicOutline.dbugTestNewGridFitting = _contourAnalysisOpts.EnableGridFit;
GlyphDynamicOutline.dbugActualPosToConsole = _contourAnalysisOpts.WriteFitOutputToConsole;
GlyphDynamicOutline.dbugUseHorizontalFitValue = _contourAnalysisOpts.UseHorizontalFitAlignment;
#endif
char[] printTextBuffer = this.txtInputChar.Text.ToCharArray();
float x_pos = 0, y_pos = 50;
float lineSpacingPx = _selectedTextPrinter.FontLineSpacingPx;
for (int i = 0; i < 1; ++i)
{
_selectedTextPrinter.DrawString(printTextBuffer, x_pos, y_pos);
y_pos -= lineSpacingPx;
}
//copy from Agg's memory buffer to gdi
PixelFarm.CpuBlit.Imaging.BitmapHelper.CopyToGdiPlusBitmapSameSize(_destImg, _winBmp);
_g.Clear(Color.White);
_g.DrawImage(_winBmp, new Point(10, 0));
}
break;
//==============================================
//render 1 glyph for debug and test
case TypographyTest.RenderChoice.RenderWithMsdfGen:
case TypographyTest.RenderChoice.RenderWithSdfGen:
{
char testChar = this.txtInputChar.Text[0];
Typeface typeFace = _basicOptions.Typeface;
RenderWithMsdfImg(typeFace, testChar, _basicOptions.FontSizeInPoints);
}
break;
case TypographyTest.RenderChoice.RenderWithMiniAgg_SingleGlyph:
{
_selectedTextPrinter = _devVxsTextPrinter;
//for test only 1 char
RenderSingleCharWithMiniAgg(
_basicOptions.Typeface,
this.txtInputChar.Text[0],
_basicOptions.FontSizeInPoints);
}
break;
default:
throw new NotSupportedException();
}
}
void UpdateRenderOutput()
{
if (!_readyToRender)
{
return;
}
//
if (_g == null)
{
InitGraphics();
}
if (string.IsNullOrEmpty(this.txtInputChar.Text))
{
return;
}
//test option use be used with lcd subpixel rendering.
//this demonstrate how we shift a pixel for subpixel rendering tech
if (_contourAnalysisOpts.SetupPrinterLayoutForLcdSubPix)
{
//TODO: set lcd or not here
}
else
{
//TODO: set lcd or not here
}
//1. read typeface from font file
TypographyTest.RenderChoice renderChoice = _basicOptions.RenderChoice;
switch (renderChoice)
{
case TypographyTest.RenderChoice.RenderWithGdiPlusPath:
//not render in this example
//see more at ...
break;
case TypographyTest.RenderChoice.RenderWithTextPrinterAndMiniAgg:
{
//clear previous draw
_painter.Clear(PixelFarm.Drawing.Color.White);
_painter.UseLcdEffectSubPixelRendering = _contourAnalysisOpts.LcdTechnique;
_painter.FillColor = PixelFarm.Drawing.Color.Black;
_selectedTextPrinter = _devVxsTextPrinter;
_selectedTextPrinter.Typeface = _basicOptions.Typeface;
_selectedTextPrinter.FontSizeInPoints = _basicOptions.FontSizeInPoints;
_selectedTextPrinter.ScriptLang = _basicOptions.ScriptLang;
_selectedTextPrinter.PositionTechnique = _basicOptions.PositionTech;
if (_selectedTextPrinter is PixelFarm.Drawing.VxsTextSpanPrinter vxsTextPrinter)
{
vxsTextPrinter.HintTechnique = _glyphRenderOptions.HintTechnique;
}
_selectedTextPrinter.EnableLigature = _glyphRenderOptions.EnableLigature;
_selectedTextPrinter.EnableMultiTypefaces = _basicOptions.EnableMultiTypefaces;
_selectedTextPrinter.SimulateSlant = _contourAnalysisOpts.SimulateSlant;
_selectedTextPrinter.TextBaseline = (Typography.Text.TextBaseline)(int) lstTextBaseline.SelectedItem;
//test print 3 lines
#if DEBUG
DynamicOutline.dbugTestNewGridFitting = _contourAnalysisOpts.EnableGridFit;
DynamicOutline.dbugActualPosToConsole = _contourAnalysisOpts.WriteFitOutputToConsole;
DynamicOutline.dbugUseHorizontalFitValue = _contourAnalysisOpts.UseHorizontalFitAlignment;
#endif
char[] printTextBuffer = this.txtInputChar.Text.ToCharArray();
float x_pos = 0, y_pos = 0;
float lineSpacingPx = _selectedTextPrinter.FontLineSpacingPx;
const int REF_LINE_LEN = 300;
for (int i = 0; i < 3; ++i)
{
_selectedTextPrinter.DrawString(printTextBuffer, x_pos, y_pos);
#if DEBUG
//show debug info...
var prevColor = _painter.FillColor;
var prevStrokColor = _painter.StrokeColor;
_painter.FillColor = PixelFarm.Drawing.Color.Red;
_painter.FillRect(x_pos, y_pos, 5, 5); // start point
//see //https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/textBaseline
switch (_selectedTextPrinter.TextBaseline)
{
default:
{
System.Diagnostics.Debug.WriteLine("UNIMPLEMENTED" + _selectedTextPrinter.TextBaseline.ToString());
goto case Typography.Text.TextBaseline.Alphabetic; //
}
case Typography.Text.TextBaseline.Alphabetic:
{
//alphabetic baseline
_painter.StrokeColor = _grayColor;
_painter.DrawLine(x_pos, /**/ y_pos,
x_pos + REF_LINE_LEN, y_pos);
_painter.StrokeColor = PixelFarm.Drawing.Color.Blue;
_painter.DrawLine(x_pos, /**/ y_pos - _selectedTextPrinter.FontDescedingPx,
x_pos + REF_LINE_LEN, y_pos - _selectedTextPrinter.FontDescedingPx); //bottom most
}
break;
case Typography.Text.TextBaseline.Top:
{
//alphabetic baseline
_painter.StrokeColor = _grayColor;
_painter.DrawLine(x_pos, /**/ y_pos + _selectedTextPrinter.FontAscendingPx,
x_pos + REF_LINE_LEN, y_pos + _selectedTextPrinter.FontAscendingPx);
//em bottom
_painter.StrokeColor = PixelFarm.Drawing.Color.Blue;
_painter.DrawLine(x_pos, /**/ y_pos + (_selectedTextPrinter.FontAscendingPx - _selectedTextPrinter.FontDescedingPx),
x_pos + REF_LINE_LEN, y_pos + (_selectedTextPrinter.FontAscendingPx - _selectedTextPrinter.FontDescedingPx)); //bottom most
}
break;
case Typography.Text.TextBaseline.Bottom:
{
//alphabetic baseline
_painter.StrokeColor = _grayColor;
_painter.DrawLine(x_pos, /**/ y_pos + _selectedTextPrinter.FontDescedingPx,
x_pos + REF_LINE_LEN, y_pos + _selectedTextPrinter.FontDescedingPx);
//em bottom
_painter.StrokeColor = PixelFarm.Drawing.Color.Blue;
_painter.DrawLine(x_pos, /**/ y_pos,
x_pos + REF_LINE_LEN, y_pos); //bottom most
}
break;
}
_painter.FillColor = prevColor;
_painter.StrokeColor = prevColor;
#endif
y_pos += (_selectedTextPrinter.FontAscendingPx - _selectedTextPrinter.FontDescedingPx);
}
//copy from Agg's memory buffer to gdi
PixelFarm.CpuBlit.BitmapHelper.CopyToGdiPlusBitmapSameSizeNotFlip(_destImg, _winBmp);
_g.Clear(Color.White);
_g.DrawImage(_winBmp, new Point(0, 0));
}
break;
//==============================================
//render 1 glyph for debug and test
case TypographyTest.RenderChoice.RenderWithMsdfGen:
case TypographyTest.RenderChoice.RenderWithSdfGen:
{
char testChar = this.txtInputChar.Text[0];
Typeface typeFace = _basicOptions.Typeface;
RenderWithMsdfImg(typeFace, testChar, _basicOptions.FontSizeInPoints);
}
break;
case TypographyTest.RenderChoice.RenderWithMiniAgg_SingleGlyph:
{
_selectedTextPrinter = _devVxsTextPrinter;
//for test only 1 char
RenderSingleCharWithMiniAgg(
_basicOptions.Typeface,
this.txtInputChar.Text[0],
_basicOptions.FontSizeInPoints);
}
break;
default:
throw new NotSupportedException();
}
}
