protected override void OnInitGLProgram(object sender, EventArgs args)
{
int max = Math.Max(this.Width, this.Height);
canvas2d = PixelFarm.Drawing.GLES2.GLES2Platform.CreateCanvasGL2d(max, max);
painter = new GLCanvasPainter(canvas2d, max, max);
//---------------------
string fontfilename = "d:\\WImageTest\\a_total.xml";
var atlasBuilder = new Typography.Rendering.SimpleFontAtlasBuilder();
fontAtlas = atlasBuilder.LoadFontInfo(fontfilename);
totalImg = new System.Drawing.Bitmap("d:\\WImageTest\\a_total.png");
var bmpdata = totalImg.LockBits(new System.Drawing.Rectangle(0, 0, totalImg.Width, totalImg.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, totalImg.PixelFormat);
var buffer = new int[totalImg.Width * totalImg.Height];
System.Runtime.InteropServices.Marshal.Copy(bmpdata.Scan0, buffer, 0, buffer.Length);
totalImg.UnlockBits(bmpdata);
var glyph = new Typography.Rendering.GlyphImage(totalImg.Width, totalImg.Height);
glyph.SetImageBuffer(buffer, false);
fontAtlas.TotalGlyph = glyph;
//---------------------
}
public void ChangeFont(RequestFont font)
{
//from request font
//we resolve it to actual font
this.font = font;
this._glyphLayout.ScriptLang = font.GetOpenFontScriptLang();
SimpleFontAtlas foundFontAtlas;
ActualFont fontImp = ActiveFontAtlasService.GetTextureFontAtlasOrCreateNew(_fontLoader, font, out foundFontAtlas);
if (foundFontAtlas != this.simpleFontAtlas)
{
//change to another font atlas
_glBmp = null;
this.simpleFontAtlas = foundFontAtlas;
}
_typeface = (Typography.OpenFont.Typeface)fontImp.FontFace.GetInternalTypeface();
float srcTextureScale = _typeface.CalculateToPixelScaleFromPointSize(simpleFontAtlas.OriginalFontSizePts);
//scale at request
float targetTextureScale = _typeface.CalculateToPixelScaleFromPointSize(font.SizeInPoints);
_finalTextureScale = targetTextureScale / srcTextureScale;
}
public override void Init()
{
//steps : detail ...
//1. create a text service (or get it from a singleton class)
_textServices = new LayoutFarm.OpenFontTextService();
//2. create manager
_bmpFontMx = new BitmapFontManager <MemBitmap>(
TextureKind.StencilLcdEffect,
_textServices,
atlas =>
{
GlyphImage totalGlyphImg = atlas.TotalGlyph;
return(MemBitmap.CreateFromCopy(totalGlyphImg.Width, totalGlyphImg.Height, totalGlyphImg.GetImageBuffer()));
}
);
//3.
_font = new RequestFont("tahoma", 10);
_fontAtlas = _bmpFontMx.GetFontAtlas(_font, out _fontBmp);
//----------
}
public SimpleFontAtlas CreateSimpleFontAtlas()
{
SimpleFontAtlas simpleFontAtlas = new SimpleFontAtlas();
simpleFontAtlas.TextureKind = this.TextureKind;
simpleFontAtlas.OriginalFontSizePts = this.FontSizeInPoints;
foreach (CacheGlyph cacheGlyph in glyphs.Values)
{
//convert char to hex
string unicode = ("0x" + ((int)cacheGlyph.character).ToString("X"));//code point
Rectangle area = cacheGlyph.area;
TextureFontGlyphData glyphData = new TextureFontGlyphData();
area.Y += area.Height;//***
//set font matrix to glyph font data
glyphData.Rect = Rectangle.FromLTRB(area.X, area.Top, area.Right, area.Bottom);
glyphData.AdvanceY = 0;// cacheGlyph.glyphMatrix.advanceY;
glyphData.ImgWidth = cacheGlyph.img.Width;
glyphData.TextureXOffset = cacheGlyph.img.TextureOffsetX;
glyphData.TextureYOffset = cacheGlyph.img.TextureOffsetY;
simpleFontAtlas.AddGlyph(cacheGlyph.codePoint, glyphData);
}
return(simpleFontAtlas);
}
protected override void OnReadyForInitGLShaderProgram()
{
//---------------------
var atlasBuilder = new Typography.Rendering.SimpleFontAtlasBuilder();
using (System.IO.FileStream fs = new System.IO.FileStream(RootDemoPath.Path + @"\a_total.xml", System.IO.FileMode.Open))
{
_fontAtlas = atlasBuilder.LoadFontAtlasInfo(fs)[0];
}
PixelFarm.CpuBlit.MemBitmap actualImg = null;
using (System.IO.FileStream fs = new System.IO.FileStream(RootDemoPath.Path + @"\a_total.png", System.IO.FileMode.Open))
{
actualImg = PixelFarm.CpuBlit.MemBitmap.LoadBitmap(fs);
}
_totalBmp = actualImg;
//var bmpdata = totalImg.LockBits(new System.Drawing.Rectangle(0, 0, totalImg.Width, totalImg.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, totalImg.PixelFormat);
//var buffer = new int[totalImg.Width * totalImg.Height];
//System.Runtime.InteropServices.Marshal.Copy(bmpdata.Scan0, buffer, 0, buffer.Length);
//totalImg.UnlockBits(bmpdata);
var glyph = new Typography.Rendering.GlyphImage(_totalBmp.Width, _totalBmp.Height);
glyph.SetImageBuffer(PixelFarm.CpuBlit.MemBitmap.CopyImgBuffer(actualImg), false);
_fontAtlas.TotalGlyph = glyph;
}
public SimpleFontAtlas CreateSimpleFontAtlas()
{
SimpleFontAtlas simpleFontAtlas = new SimpleFontAtlas();
simpleFontAtlas.TextureKind = this.TextureKind;
simpleFontAtlas.OriginalFontSizePts = this.FontSizeInPoints;
foreach (CacheGlyph cacheGlyph in _glyphs.Values)
{
Rectangle area = cacheGlyph.area;
TextureGlyphMapData glyphData = new TextureGlyphMapData();
glyphData.Width = cacheGlyph.img.Width;
glyphData.Left = area.X;
glyphData.Top = area.Top;
glyphData.Height = area.Height;
glyphData.TextureXOffset = cacheGlyph.img.TextureOffsetX;
glyphData.TextureYOffset = cacheGlyph.img.TextureOffsetY;
simpleFontAtlas.AddGlyph(cacheGlyph.glyphIndex, glyphData);
}
return(simpleFontAtlas);
}
//read font info from xml document
public SimpleFontAtlas LoadFontInfo(string filename)
{
SimpleFontAtlas simpleFontAtlas = new SimpleFontAtlas();
simpleFontAtlas.TextureKind = this.TextureKind;
XmlDocument xmldoc = new XmlDocument();
xmldoc.Load(filename);
//read
int total_W = 0;
int total_H = 0;
{
foreach (XmlElement xmlelem in xmldoc.GetElementsByTagName("total_img"))
{
simpleFontAtlas.Width = total_W = int.Parse(xmlelem.GetAttribute("w"));
simpleFontAtlas.Height = total_H = int.Parse(xmlelem.GetAttribute("h"));
//only 1...
break;
}
}
foreach (XmlElement glyphElem in xmldoc.GetElementsByTagName("glyph"))
{
//read
string unicodeHex = glyphElem.GetAttribute("uc");
int codepoint = int.Parse(glyphElem.GetAttribute("c"));
char c = (char)int.Parse(unicodeHex.Substring(2), System.Globalization.NumberStyles.HexNumber);
Rectangle area = ParseRect(glyphElem.GetAttribute("ltwh"));
var glyphData = new TextureFontGlyphData();
area.Y += area.Height;//***
//glyphData.Rect = Rectangle.c((short)area.X, (short)area.Bottom, (short)area.Right, (short)area.Top);
glyphData.Rect = Rectangle.FromLTRB(area.X, area.Top, area.Right, area.Bottom);
float[] borderXY = ParseFloatArray(glyphElem.GetAttribute("borderXY"));
float[] matrix = ParseFloatArray(glyphElem.GetAttribute("mat"));
glyphData.BorderX = borderXY[0];
glyphData.BorderY = borderXY[1];
glyphData.AdvanceX = matrix[0];
glyphData.AdvanceY = matrix[1];
glyphData.BBoxXMin = matrix[2];
glyphData.BBoxXMax = matrix[3];
glyphData.BBoxYMin = matrix[4];
glyphData.BBoxYMax = matrix[5];
glyphData.ImgWidth = matrix[6];
glyphData.ImgHeight = matrix[7];
glyphData.HAdvance = matrix[8];
glyphData.HBearingX = matrix[9];
glyphData.HBearingY = matrix[10];
glyphData.VAdvance = matrix[11];
glyphData.VBearingX = matrix[12];
glyphData.VBearingY = matrix[13];
//---------------
simpleFontAtlas.AddGlyph(codepoint, glyphData);
}
return(simpleFontAtlas);
}
public static ActualFont GetTextureFontAtlasOrCreateNew(
IFontLoader fontLoader,
RequestFont font,
out SimpleFontAtlas fontAtlas)
{
//check if we have created this font
var key = new FontTextureKey();
key.fontName = font.Name;
key.scriptLang = font.ScriptLang.shortname;
key.sizeInPoint = font.SizeInPoints;
key.fontStyle = font.Style;
//------------------------
TextureAtlasCache found;
FontFace ff = null;
if (!s_cachedFontAtlas.TryGetValue(key, out found))
{
//if not, then create the new one
string fontfile = fontLoader.GetFont(font.Name, font.Style.ConvToInstalledFontStyle()).FontPath;
//ptimize here
//TODO: review
TextureFontCreationParams creationParams = new TextureFontCreationParams();
creationParams.originalFontSizeInPoint = font.SizeInPoints;
creationParams.scriptLang = font.ScriptLang;
creationParams.writeDirection = WriteDirection.LTR;//default
//TODO: review here, langBits can be created with scriptLang ?
creationParams.langBits = new Typography.OpenFont.Tables.UnicodeLangBits[]
{
Typography.OpenFont.Tables.UnicodeLangBits.BasicLatin, //0-127
Typography.OpenFont.Tables.UnicodeLangBits.Thai //eg. Thai, for test with complex script, you can change to your own
};
//
creationParams.textureKind = Typography.Rendering.TextureKind.AggSubPixel;
if (font.SizeInPoints >= 4 && font.SizeInPoints <= 14)
{
//creationParams.hintTechnique = Typography.Rendering.HintTechnique.TrueTypeInstruction;
//creationParams.hintTechnique = Typography.Rendering.HintTechnique.TrueTypeInstruction_VerticalOnly;
creationParams.hintTechnique = Typography.Rendering.HintTechnique.CustomAutoFit;
}
//
ff = TextureFontLoader.LoadFont(fontfile, creationParams, out fontAtlas);
//cache it
var textureAtlasCache = new TextureAtlasCache();
textureAtlasCache.fontFace = ff;
textureAtlasCache.atlas = fontAtlas;
s_cachedFontAtlas.Add(key, textureAtlasCache);
return(ff.GetFontAtPointSize(font.SizeInPoints));
}
fontAtlas = found.atlas;
ff = found.fontFace;
return(ff.GetFontAtPointSize(font.SizeInPoints));
}
public void ChangeFont(RequestFont font)
{
if (this.font == font)
{
return;
}
//font has been changed,
//resolve for the new one
//check if we have this texture-font atlas in our MySimpleGLBitmapFontManager
//if not-> request the MySimpleGLBitmapFontManager to create a newone
_fontAtlas = _myGLBitmapFontMx.GetFontAtlas(font, out _glBmp);
this.font = font;
}
public void ChangeFont(RequestFont font)
{
if (_font == font)
{
return;
}
//font has been changed,
//resolve for the new one
//check if we have this texture-font atlas in our MySimpleGLBitmapFontManager
//if not-> request the MySimpleGLBitmapFontManager to create a newone
_fontAtlas = _myGLBitmapFontMx.GetFontAtlas(font, out _glBmp);
_font = font;
Typeface typeface = _textServices.ResolveTypeface(font);
_px_scale = typeface.CalculateScaleToPixelFromPointSize(font.SizeInPoints);
}
private void button4_Click(object sender, EventArgs e)
{
string fontfilename = "d:\\WImageTest\\a_total.xml";
var atlasBuilder = new Typography.Rendering.SimpleFontAtlasBuilder();
SimpleFontAtlas fontAtlas = atlasBuilder.LoadFontInfo(fontfilename);
using (Bitmap totalImg = new Bitmap("d:\\WImageTest\\a_total.png"))
{
var bmpdata = totalImg.LockBits(new System.Drawing.Rectangle(0, 0, totalImg.Width, totalImg.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, totalImg.PixelFormat);
var buffer = new int[totalImg.Width * totalImg.Height];
System.Runtime.InteropServices.Marshal.Copy(bmpdata.Scan0, buffer, 0, buffer.Length);
totalImg.UnlockBits(bmpdata);
var glyImage = new GlyphImage(totalImg.Width, totalImg.Height);
glyImage.SetImageBuffer(buffer, false);
fontAtlas.TotalGlyph = glyImage;
}
}
//read font info from xml document
public SimpleFontAtlas LoadAtlasInfo(System.IO.Stream inputStream)
{
SimpleFontAtlas simpleFontAtlas = new SimpleFontAtlas();
simpleFontAtlas.TextureKind = this.TextureKind;
XmlDocument xmldoc = new XmlDocument();
xmldoc.Load(inputStream);
//read
int total_W = 0;
int total_H = 0;
{
foreach (XmlElement xmlelem in xmldoc.GetElementsByTagName("total_img"))
{
simpleFontAtlas.Width = total_W = int.Parse(xmlelem.GetAttribute("w"));
simpleFontAtlas.Height = total_H = int.Parse(xmlelem.GetAttribute("h"));
//only 1...
break;
}
}
foreach (XmlElement glyphElem in xmldoc.GetElementsByTagName("glyph"))
{
//read
string unicodeHex = glyphElem.GetAttribute("uc");
int glyphIndex = int.Parse(glyphElem.GetAttribute("c"));
//TODO: this should be codepoint
char c = (char)int.Parse(unicodeHex.Substring(2), System.Globalization.NumberStyles.HexNumber);
Rectangle area = ParseRect(glyphElem.GetAttribute("ltwh"));
area.Y += area.Height;//***
var glyphData = new TextureFontGlyphData();
glyphData.Rect = Rectangle.FromLTRB(area.X, area.Top, area.Right, area.Bottom);
float[] borderAndTransform = ParseFloatArray(glyphElem.GetAttribute("tx"));
glyphData.ImgWidth = borderAndTransform[0];
glyphData.BorderX = borderAndTransform[1];
glyphData.BorderY = borderAndTransform[2];
glyphData.TextureXOffset = borderAndTransform[3];
glyphData.TextureYOffset = borderAndTransform[4];
//---------------
simpleFontAtlas.AddGlyph(glyphIndex, glyphData);
}
return(simpleFontAtlas);
}
protected override void OnReadyForInitGLShaderProgram()
{
//---------------------
var atlasBuilder = new Typography.Rendering.SimpleFontAtlasBuilder();
fontAtlas = atlasBuilder.LoadFontInfo(RootDemoPath.Path + @"\a_total.xml");
var actualImg = DemoHelper.LoadImage(RootDemoPath.Path + @"\a_total.png");
//var bmpdata = totalImg.LockBits(new System.Drawing.Rectangle(0, 0, totalImg.Width, totalImg.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, totalImg.PixelFormat);
//var buffer = new int[totalImg.Width * totalImg.Height];
//System.Runtime.InteropServices.Marshal.Copy(bmpdata.Scan0, buffer, 0, buffer.Length);
//totalImg.UnlockBits(bmpdata);
var glyph = new Typography.Rendering.GlyphImage(totalImg.Width, totalImg.Height);
glyph.SetImageBuffer(PixelFarm.Agg.ActualImage.CopyImgBuffer(actualImg), false);
fontAtlas.TotalGlyph = glyph;
}
public void AddSimpleFontAtlas(SimpleFontAtlas[] simpleFontAtlases, System.IO.Stream totalGlyphImgStream)
{
//multiple font atlas that share the same glyphImg
GlyphImage glyphImg = ReadGlyphImages(totalGlyphImgStream);
for (int i = 0; i < simpleFontAtlases.Length; ++i)
{
SimpleFontAtlas simpleFontAtlas = simpleFontAtlases[i];
simpleFontAtlas.TotalGlyph = glyphImg;
simpleFontAtlas.UseSharedGlyphImage = true;
_createdAtlases.Add(simpleFontAtlas.FontKey, simpleFontAtlas);
if (simpleFontAtlas.TextureKind == PixelFarm.Drawing.BitmapAtlas.TextureKind.Msdf)
{
//if we have msdf texture
//then we can use this to do autoscale
_msdfTextureFonts.Add(simpleFontAtlas.FontFilename, simpleFontAtlas);
}
}
}
public void ChangeFont(RequestFont font)
{
if (_font == font || (_font != null && _font.FontKey == font.FontKey))
{
//not change -> then return
return;
}
//_loadedFont = _loadFonts.RegisterFont(font);
//System.Diagnostics.Debug.WriteLine(font.Name + font.SizeInPoints);
//LoadedFont loadFont = _loadFonts.RegisterFont(font);
//font has been changed,
//resolve for the new one
//check if we have this texture-font atlas in our MySimpleGLBitmapFontManager
//if not-> request the MySimpleGLBitmapFontManager to create a newone
_fontAtlas = _myGLBitmapFontMx.GetFontAtlas(font, out _glBmp);
_font = font;
Typeface typeface = _textServices.ResolveTypeface(font);
_px_scale = typeface.CalculateScaleToPixelFromPointSize(font.SizeInPoints);
}
public SimpleFontAtlas CreateSimpleFontAtlas()
{
SimpleFontAtlas simpleFontAtlas = new SimpleFontAtlas();
foreach (CacheGlyph g in glyphs.Values)
{
//convert char to hex
string unicode = ("0x" + ((int)g.character).ToString("X"));//code point
Rectangle area = g.area;
var glyphData = new TextureFontGlyphData();
area.Y += area.Height;//***
//set font matrix to glyph font data
glyphData.Rect = Rectangle.FromLTRB(area.X, area.Top, area.Right, area.Bottom);
glyphData.AdvanceY = g.glyphMatrix.advanceY;
glyphData.ImgWidth = g.img.Width;
simpleFontAtlas.AddGlyph(g.codePoint, glyphData);
}
return(simpleFontAtlas);
}
private void cmdTestFontAtlas_Click(object sender, EventArgs e)
{
//read string from txtSampleChars
//please make sure all are unique. (TODO: check it)
//then create a font atlas from the sample chars
char[] sampleChars = txtSampleChars.Text.ToCharArray();
if (sampleChars.Length == 0)
{
return;
}
//
GlyphImage totalGlyphsImg = null;
SimpleFontAtlasBuilder atlasBuilder = null;
var glyphTextureGen = new GlyphTextureBitmapGenerator();
//
Typeface typeface = _basicOptions.Typeface;
float fontSizeInPoints = _basicOptions.FontSizeInPoints;
//
glyphTextureGen.CreateTextureFontFromInputChars(
typeface,
fontSizeInPoints,
TextureKind.StencilLcdEffect,
sampleChars,
(glyphIndex, glyphImage, outputAtlasBuilder) =>
{
if (outputAtlasBuilder != null)
{
//finish
atlasBuilder = outputAtlasBuilder;
}
}
);
atlasBuilder.SpaceCompactOption = SimpleFontAtlasBuilder.CompactOption.ArrangeByHeight;
totalGlyphsImg = atlasBuilder.BuildSingleImage();
string fontTextureImg = "d:\\WImageTest\\test_glyph_atlas.png";
//create atlas
SimpleFontAtlas fontAtlas = atlasBuilder.CreateSimpleFontAtlas();
fontAtlas.TotalGlyph = totalGlyphsImg;
//
using (MemBitmap memBmp = MemBitmap.CreateFromCopy(totalGlyphsImg.Width, totalGlyphsImg.Height, totalGlyphsImg.GetImageBuffer()))
using (System.Drawing.Bitmap bmp = new Bitmap(memBmp.Width, memBmp.Height))
{
var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, memBmp.Width, memBmp.Height),
System.Drawing.Imaging.ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
var tmpMem = MemBitmap.GetBufferPtr(memBmp);
unsafe
{
PixelFarm.CpuBlit.NativeMemMx.MemCopy((byte *)bmpdata.Scan0,
(byte *)tmpMem.Ptr,
tmpMem.LengthInBytes);
}
bmp.UnlockBits(bmpdata);
bmp.Save(fontTextureImg);
}
#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());
///
}