/// <summary>
/// get from cache or create a new one
/// </summary>
/// <param name="reqFont"></param>
/// <returns></returns>
public SimpleFontAtlas GetFontAtlas(RequestFont reqFont,
out GLBitmap glBmp)
{
int fontKey = reqFont.FontKey;
SimpleFontAtlas fontAtlas;
if (!_createdAtlases.TryGetValue(fontKey, out fontAtlas))
{
Typeface resolvedTypeface = textServices.ResolveTypeface(reqFont);
//if we don't have
//the create it
SimpleFontAtlasBuilder atlasBuilder = null;
var textureGen = new GlyphTextureBitmapGenerator();
textureGen.CreateTextureFontFromScriptLangs(
resolvedTypeface,
reqFont.SizeInPoints,
_textureKind,
_currentScriptLangs,
(glyphIndex, glyphImage, outputAtlasBuilder) =>
{
if (outputAtlasBuilder != null)
{
//finish
atlasBuilder = outputAtlasBuilder;
}
}
);
GlyphImage totalGlyphsImg = atlasBuilder.BuildSingleImage();
//create atlas
fontAtlas = atlasBuilder.CreateSimpleFontAtlas();
fontAtlas.TotalGlyph = totalGlyphsImg;
#if DEBUG
//save glyph image for debug
//PixelFarm.Agg.ActualImage.SaveImgBufferToPngFile(
// totalGlyphsImg.GetImageBuffer(),
// totalGlyphsImg.Width * 4,
// totalGlyphsImg.Width, totalGlyphsImg.Height,
// "d:\\WImageTest\\total_" + reqFont.Name + "_" + reqFont.SizeInPoints + ".png");
#endif
//cache the atlas
_createdAtlases.Add(fontKey, fontAtlas);
//
//calculate some commonly used values
fontAtlas.SetTextureScaleInfo(
resolvedTypeface.CalculateScaleToPixelFromPointSize(fontAtlas.OriginalFontSizePts),
resolvedTypeface.CalculateScaleToPixelFromPointSize(reqFont.SizeInPoints));
//TODO: review here, use scaled or unscaled values
fontAtlas.SetCommonFontMetricValues(
resolvedTypeface.Ascender,
resolvedTypeface.Descender,
resolvedTypeface.LineGap,
resolvedTypeface.CalculateRecommendLineSpacing());
}
glBmp = _loadedGlyphs.GetOrCreateNewOne(fontAtlas);
return(fontAtlas);
}
private void cmdMakeFromScriptLangs_Click(object sender, EventArgs e)
{
//create a simple stencil texture font
//string sampleFontFile = "../../../TestFonts/tahoma.ttf";
if (this.textBox1.Text == null || _typeface == null)
{
return;
}
if (SelectedScriptLangs.Count == 0)
{
return;
}
//
string sampleFontFile = _typeface.Filename ?? "";
TextureKind selectedTextureKind = (TextureKind)lstTextureType.SelectedItem;
char[] chars = this.textBox1.Text.ToCharArray();
string bitmapImgSaveFileName = "d:\\WImageTest\\sample_" + selectedTextureKind + "_" +
System.IO.Path.GetFileNameWithoutExtension(sampleFontFile);
bool saveEachGlyphSeparatly = chkSaveEachGlyph.Checked;
var textureGen = new GlyphTextureBitmapGenerator();
textureGen.CreateTextureFontFromScriptLangs(
_typeface,
FontSizeInPoints,
selectedTextureKind,
SelectedScriptLangs.ToArray(),
(gindex, glyphImg, atlasBuilder) =>
{
if (atlasBuilder != null)
{
atlasBuilder.CompactGlyphSpace = chkCompactGlyphSpace.Checked;
GlyphImage totalGlyphs = atlasBuilder.BuildSingleImage();
SaveImgBufferToFile(totalGlyphs, bitmapImgSaveFileName + ".png");
atlasBuilder.SaveFontInfo(bitmapImgSaveFileName + ".xml");
MessageBox.Show("glyph gen " + bitmapImgSaveFileName);
}
else
{
//save each glyph
if (saveEachGlyphSeparatly)
{
SaveImgBufferToFile(glyphImg, bitmapImgSaveFileName + "_" + gindex + ".png");
}
}
});
}
/// <summary>
/// get from cache or create a new one
/// </summary>
/// <param name="reqFont"></param>
/// <returns></returns>
public SimpleFontAtlas GetFontAtlas(RequestFont reqFont, out B outputBitmap)
{
#if DEBUG
_dbugStopWatch.Reset();
_dbugStopWatch.Start();
#endif
int fontKey = reqFont.FontKey;
SimpleFontAtlas fontAtlas;
if (!_createdAtlases.TryGetValue(fontKey, out fontAtlas))
{
//check from pre-built cache (if availiable)
Typeface resolvedTypeface = textServices.ResolveTypeface(reqFont);
string fontTextureFile = reqFont.Name + " " + fontKey;
string resolveFontFile = fontTextureFile + ".info";
string fontTextureInfoFile = resolveFontFile;
string fontTextureImg = fontTextureInfoFile + ".png";
//check if the file exist
if (StorageService.Provider.DataExists(fontTextureInfoFile))
{
SimpleFontAtlasBuilder atlasBuilder2 = new SimpleFontAtlasBuilder();
using (System.IO.Stream dataStream = StorageService.Provider.ReadDataStream(fontTextureInfoFile))
{
try
{
fontAtlas = atlasBuilder2.LoadFontInfo(dataStream);
fontAtlas.TotalGlyph = ReadGlyphImages(fontTextureImg);
fontAtlas.OriginalFontSizePts = reqFont.SizeInPoints;
_createdAtlases.Add(fontKey, fontAtlas);
////
////calculate some commonly used values
//fontAtlas.SetTextureScaleInfo(
// resolvedTypeface.CalculateScaleToPixelFromPointSize(fontAtlas.OriginalFontSizePts),
// resolvedTypeface.CalculateScaleToPixelFromPointSize(reqFont.SizeInPoints));
////TODO: review here, use scaled or unscaled values
//fontAtlas.SetCommonFontMetricValues(
// resolvedTypeface.Ascender,
// resolvedTypeface.Descender,
// resolvedTypeface.LineGap,
// resolvedTypeface.CalculateRecommendLineSpacing());
}
catch (Exception ex)
{
throw ex;
}
}
}
else
{
GlyphImage totalGlyphsImg = null;
SimpleFontAtlasBuilder atlasBuilder = null;
var textureGen = new GlyphTextureBitmapGenerator();
textureGen.CreateTextureFontFromScriptLangs(
resolvedTypeface,
reqFont.SizeInPoints,
_textureKind,
_textureBuildDetails,
(glyphIndex, glyphImage, outputAtlasBuilder) =>
{
if (outputAtlasBuilder != null)
{
//finish
atlasBuilder = outputAtlasBuilder;
}
}
);
atlasBuilder.SpaceCompactOption = SimpleFontAtlasBuilder.CompactOption.ArrangeByHeight;
totalGlyphsImg = atlasBuilder.BuildSingleImage();
//if (reqFont.SizeInPoints == 14 && cacheImg != null)
//{
// totalGlyphsImg = cacheImg;
//}
//totalGlyphsImg = Sharpen(totalGlyphsImg, 1); //test shapen primary image
//-
//
//create atlas
fontAtlas = atlasBuilder.CreateSimpleFontAtlas();
fontAtlas.TotalGlyph = totalGlyphsImg;
#if DEBUG
//save glyph image for debug
//PixelFarm.Agg.ActualImage.SaveImgBufferToPngFile(
// totalGlyphsImg.GetImageBuffer(),
// totalGlyphsImg.Width * 4,
// totalGlyphsImg.Width, totalGlyphsImg.Height,
// "d:\\WImageTest\\total_" + reqFont.Name + "_" + reqFont.SizeInPoints + ".png");
////save image to cache
SaveImgBufferToFile(totalGlyphsImg, fontTextureImg);
#endif
//cache the atlas
_createdAtlases.Add(fontKey, fontAtlas);
//
////calculate some commonly used values
//fontAtlas.SetTextureScaleInfo(
// resolvedTypeface.CalculateScaleToPixelFromPointSize(fontAtlas.OriginalFontSizePts),
// resolvedTypeface.CalculateScaleToPixelFromPointSize(reqFont.SizeInPoints));
////TODO: review here, use scaled or unscaled values
//fontAtlas.SetCommonFontMetricValues(
// resolvedTypeface.Ascender,
// resolvedTypeface.Descender,
// resolvedTypeface.LineGap,
// resolvedTypeface.CalculateRecommendLineSpacing());
///
#if DEBUG
_dbugStopWatch.Stop();
System.Diagnostics.Debug.WriteLine("build font atlas: " + _dbugStopWatch.ElapsedMilliseconds + " ms");
#endif
//save font info to cache
using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
{
atlasBuilder.SaveFontInfo(ms);
System.IO.File.WriteAllBytes(fontTextureInfoFile, ms.ToArray());
StorageService.Provider.SaveData(fontTextureInfoFile, ms.ToArray());
}
}
}
outputBitmap = _loadedGlyphs.GetOrCreateNewOne(fontAtlas);
return(fontAtlas);
}
private void cmdMakeFromScriptLangs_Click(object sender, EventArgs e)
{
//create a simple stencil texture font
//string sampleFontFile = "../../../TestFonts/tahoma.ttf";
if (this.textBox1.Text == null || _typeface == null)
{
return;
}
if (SelectedScriptLangs.Count == 0)
{
return;
}
//
string sampleFontFile = _typeface.Filename ?? "";
TextureKind selectedTextureKind = (TextureKind)lstTextureType.SelectedItem;
char[] chars = this.textBox1.Text.ToCharArray();
string bitmapImgSaveFileName = "d:\\WImageTest\\sample_" + selectedTextureKind + "_" +
System.IO.Path.GetFileNameWithoutExtension(sampleFontFile);
//------------
//TODO: review here again, this is not a good way,
//it is only temp fix for Tahoma.
var _textureBuildDetails = new GlyphTextureBuildDetail[]
{
new GlyphTextureBuildDetail {
ScriptLang = ScriptLangs.Latin, DoFilter = false, HintTechnique = Typography.Contours.HintTechnique.TrueTypeInstruction_VerticalOnly
},
new GlyphTextureBuildDetail {
OnlySelectedGlyphIndices = new char[] { 'x', 'X', '7' },
DoFilter = true, HintTechnique = Typography.Contours.HintTechnique.TrueTypeInstruction_VerticalOnly
},
//
new GlyphTextureBuildDetail {
ScriptLang = ScriptLangs.Thai, DoFilter = true, HintTechnique = Typography.Contours.HintTechnique.None
},
};
//------------
bool saveEachGlyphSeparatly = chkSaveEachGlyph.Checked;
var textureGen = new GlyphTextureBitmapGenerator();
textureGen.CreateTextureFontFromScriptLangs(
_typeface,
FontSizeInPoints,
selectedTextureKind,
_textureBuildDetails,
(gindex, glyphImg, atlasBuilder) =>
{
if (atlasBuilder != null)
{
atlasBuilder.CompactGlyphSpace = chkCompactGlyphSpace.Checked;
GlyphImage totalGlyphs = atlasBuilder.BuildSingleImage();
SaveImgBufferToFile(totalGlyphs, bitmapImgSaveFileName + ".png");
using (System.IO.FileStream fs = new System.IO.FileStream(bitmapImgSaveFileName + ".xml", System.IO.FileMode.Create))
{
atlasBuilder.SaveAtlasInfo(fs);
}
MessageBox.Show("glyph gen " + bitmapImgSaveFileName);
}
else
{
//save each glyph
if (saveEachGlyphSeparatly)
{
SaveImgBufferToFile(glyphImg, bitmapImgSaveFileName + "_" + gindex + ".png");
}
}
});
}