void AddExistingOrCreateNewSimpleFontAtlas(
MultiGlyphSizeBitmapAtlasBuilder multisizeFontAtlasBuilder,
RequestFont reqFont,
BitmapFontManager <MemBitmap> bmpFontMx)
{
int fontKey = reqFont.GetReqKey();
string fontTextureFile = reqFont.Name + "_" + fontKey;
string resolveFontTextureFile = fontTextureFile + ".info";
string fontTextureInfoFile = resolveFontTextureFile;
string fontTextureImgFilename = fontTextureInfoFile + ".png";
ResolvedFont resolvedFont = _textServices.ResolveFont(reqFont); //resolve for 'actual' font
if (PixelFarm.Platforms.StorageService.Provider.DataExists(resolveFontTextureFile) &&
File.Exists(fontTextureImgFilename))
{
multisizeFontAtlasBuilder.AddSimpleAtlasFile(reqFont,
resolveFontTextureFile,
fontTextureImgFilename,
bmpFontMx.TextureKindForNewFont
);
}
else
{
//create a new one
//resolve this font
SimpleBitmapAtlas fontAtlas = bmpFontMx.GetFontAtlas(resolvedFont, 0, 0, out MemBitmap fontBmp);
multisizeFontAtlasBuilder.AddSimpleAtlasFile(reqFont,
resolveFontTextureFile,
fontTextureImgFilename,
bmpFontMx.TextureKindForNewFont);
}
}
void DrawStringToMemBitmap(RequestFont reqFont, string textOutput, float x_pos, float y_pos, int repeatLines = 1)
{
ResolvedFont resolvedFont = _textService.ResolveFont(reqFont);
if (resolvedFont == null)
{
//we dont' have
resolvedFont = _textService.ResolveFont(_defaultReqFont);
if (resolvedFont == null)
{
throw new NotSupportedException();
}
//use alternative typeface, but use reqFont's Size
resolvedFont = new ResolvedFont(resolvedFont.Typeface, reqFont.SizeInPoints);
}
//check if reqFont has alternative or not
_myAlternativeTypefaceSelector.SetCurrentReqFont(reqFont, _textService);
PixelFarm.Drawing.VxsTextSpanPrinter _selectedTextPrinter = _devVxsTextPrinter;
_painter.UseLcdEffectSubPixelRendering = true;
_painter.FillColor = PixelFarm.Drawing.Color.Black;
_selectedTextPrinter = _devVxsTextPrinter;
_selectedTextPrinter.FontSizeInPoints = resolvedFont.SizeInPoints;
_selectedTextPrinter.Typeface = resolvedFont.Typeface;
_selectedTextPrinter.ScriptLang = new ScriptLang(ScriptTagDefs.Latin.Tag);
_selectedTextPrinter.PositionTechnique = PositionTechnique.OpenFont;
_selectedTextPrinter.HintTechnique = HintTechnique.None;
_selectedTextPrinter.EnableLigature = true;
_selectedTextPrinter.SimulateSlant = false;
_selectedTextPrinter.EnableMultiTypefaces = true; //*** for auto typeface selection***
//_selectedTextPrinter.TextBaseline = PixelFarm.Drawing.TextBaseline.Alphabetic;
//_selectedTextPrinter.TextBaseline = PixelFarm.Drawing.TextBaseline.Bottom;
_selectedTextPrinter.TextBaseline = (Typography.Text.TextBaseline)PixelFarm.Drawing.TextBaseline.Top;
//test print 3 lines
//#if DEBUG
// DynamicOutline.dbugTestNewGridFitting = _contourAnalysisOpts.EnableGridFit;
// DynamicOutline.dbugActualPosToConsole = _contourAnalysisOpts.WriteFitOutputToConsole;
// DynamicOutline.dbugUseHorizontalFitValue = _contourAnalysisOpts.UseHorizontalFitAlignment;
//#endif
char[] printTextBuffer = textOutput.ToCharArray();
float lineSpacingPx = _selectedTextPrinter.FontLineSpacingPx;
const int REF_LINE_LEN = 300;
for (int i = 0; i < repeatLines; ++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);
}
//reset
_myAlternativeTypefaceSelector.SetCurrentReqFont(null, null);
}