static void CreateSampleMsdfTextureFont(
string fontfile, float sizeInPoint,
char[] chars, string outputFile)
{
//sample
var reader = new OpenFontReader();
using (var fs = new FileStream(fontfile, FileMode.Open))
{
//1. read typeface from font file
Typeface typeface = reader.Read(fs);
//sample: create sample msdf texture
//-------------------------------------------------------------
var builder = new GlyphPathBuilder(typeface);
//builder.UseTrueTypeInterpreter = this.chkTrueTypeHint.Checked;
//builder.UseVerticalHinting = this.chkVerticalHinting.Checked;
//-------------------------------------------------------------
var atlasBuilder = new SimpleFontAtlasBuilder();
MsdfGenParams msdfGenParams = new MsdfGenParams();
int j = chars.Length;
for (int i = 0; i < j; ++i)
{
//build glyph
ushort gindex = typeface.LookupIndex(chars[i]);
builder.BuildFromGlyphIndex(gindex, -1);
var glyphToContour = new GlyphContourBuilder();
//glyphToContour.Read(builder.GetOutputPoints(), builder.GetOutputContours());
builder.ReadShapes(glyphToContour);
msdfGenParams.shapeScale = 1f / 64;
GlyphImage glyphImg = MsdfGlyphGen.CreateMsdfImage(glyphToContour, msdfGenParams);
atlasBuilder.AddGlyph(gindex, glyphImg);
int w = glyphImg.Width;
int h = glyphImg.Height;
using (Bitmap bmp = new Bitmap(glyphImg.Width, glyphImg.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, w, h), System.Drawing.Imaging.ImageLockMode.ReadWrite, bmp.PixelFormat);
int[] imgBuffer = glyphImg.GetImageBuffer();
System.Runtime.InteropServices.Marshal.Copy(imgBuffer, 0, bmpdata.Scan0, imgBuffer.Length);
bmp.UnlockBits(bmpdata);
bmp.Save("d:\\WImageTest\\a001_xn2_" + (chars[i]) + ".png");
}
}
var glyphImg2 = atlasBuilder.BuildSingleImage();
using (Bitmap bmp = new Bitmap(glyphImg2.Width, glyphImg2.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, glyphImg2.Width, glyphImg2.Height),
System.Drawing.Imaging.ImageLockMode.ReadWrite, bmp.PixelFormat);
int[] intBuffer = glyphImg2.GetImageBuffer();
System.Runtime.InteropServices.Marshal.Copy(intBuffer, 0, bmpdata.Scan0, intBuffer.Length);
bmp.UnlockBits(bmpdata);
bmp.Save("d:\\WImageTest\\a_total.png");
}
atlasBuilder.SaveFontInfo("d:\\WImageTest\\a_info.xml");
}
}
public void SetFont(Typeface typeface, float sizeInPoint)
{
_typeface = typeface;
_sizeInPoint = sizeInPoint;
builder = new GlyphPathBuilder(typeface);
FillBackGround = true;//default
}
private void InitGlyphPointsAndContourEnds(char c)
{
try {
using (FileStream fs = File.OpenRead(ttfPath)) {
OpenFontReader reader = new OpenFontReader();
Typeface typeface = reader.Read(fs);
var builder = new GlyphPathBuilder(typeface);
builder.BuildFromGlyphIndex(typeface.LookupIndex(c), 300);
var txToPath = new GlyphTranslatorToPath();
var writablePath = new WritablePath();
txToPath.SetOutput(writablePath);
builder.ReadShapes(txToPath);
var curveFlattener = new SimpleCurveFlattener();
float[] flattenPoints = curveFlattener.Flatten(
writablePath._points, out _contourEnds);
_glyphPoints2 = flattenPoints;
}
}
catch (Exception) {
ClearGlyphData();
pnlGlyph.Invalidate();
}
}
VertexStore BuildVxsForGlyph(GlyphPathBuilder builder, char character, int size, int resolution)
{
//TODO: review here
builder.Build(character, size);
var txToVxs = new GlyphTranslatorToVxs();
builder.ReadShapes(txToVxs);
VertexStore v0 = _vxsPool.GetFreeVxs();
txToVxs.WriteOutput(v0);
var mat = PixelFarm.Agg.Transform.Affine.NewMatix(
//translate
new PixelFarm.Agg.Transform.AffinePlan(
PixelFarm.Agg.Transform.AffineMatrixCommand.Translate, 10, 10),
//scale
new PixelFarm.Agg.Transform.AffinePlan(
PixelFarm.Agg.Transform.AffineMatrixCommand.Scale, 1, 1)
);
VertexStore v1 = _vxsPool.GetFreeVxs();
VertexStore v2 = new VertexStore();
mat.TransformToVxs(v0, v1);
curveFlattener.MakeVxs(v0, v2);
_vxsPool.Release(ref v0);
_vxsPool.Release(ref v1);
return(v2);
}
VertexStore BuildVxsForGlyph(GlyphPathBuilder builder, char character, int size, int resolution)
{
//-----------
//TODO: review here
builder.Build(character, size);
var txToVxs = new GlyphTranslatorToVxs();
builder.ReadShapes(txToVxs);
VertexStore v2 = new VertexStore();
using (VxsTemp.Borrow(out var v0))
{
txToVxs.WriteOutput(v0);
var mat = PixelFarm.CpuBlit.VertexProcessing.Affine.NewMatix(
//translate
new PixelFarm.CpuBlit.VertexProcessing.AffinePlan(
PixelFarm.CpuBlit.VertexProcessing.AffineMatrixCommand.Translate, 10, 10),
//scale
new PixelFarm.CpuBlit.VertexProcessing.AffinePlan(
PixelFarm.CpuBlit.VertexProcessing.AffineMatrixCommand.Scale, 1, 1)
);
//mat.TransformToVxs(v0, v1);
_curveFlattener.MakeVxs(v0, mat, v2);
}
return(v2);
}
void CreateTextureFontFromGlyphIndices(
Typeface typeface,
float sizeInPoint,
HintTechnique hintTechnique,
SimpleFontAtlasBuilder atlasBuilder,
bool applyFilter,
ushort[] glyphIndices)
{
//sample: create sample msdf texture
//-------------------------------------------------------------
var builder = new GlyphPathBuilder(typeface);
builder.SetHintTechnique(hintTechnique);
//
if (atlasBuilder.TextureKind == TextureKind.Msdf)
{
MsdfGenParams msdfGenParams = new MsdfGenParams();
int j = glyphIndices.Length;
for (int i = 0; i < j; ++i)
{
ushort gindex = glyphIndices[i];
//create picture with unscaled version set scale=-1
//(we will create glyph contours and analyze them)
builder.BuildFromGlyphIndex(gindex, -1);
var glyphToContour = new GlyphContourBuilder();
builder.ReadShapes(glyphToContour);
//msdfgen with scale the glyph to specific shapescale
msdfGenParams.shapeScale = 1f / 64; //as original
GlyphImage glyphImg = MsdfGlyphGen.CreateMsdfImage(glyphToContour, msdfGenParams);
//
atlasBuilder.AddGlyph(gindex, glyphImg);
}
}
else
{
AggGlyphTextureGen aggTextureGen = new AggGlyphTextureGen();
aggTextureGen.TextureKind = atlasBuilder.TextureKind;
int j = glyphIndices.Length;
for (int i = 0; i < j; ++i)
{
//build glyph
ushort gindex = glyphIndices[i];
builder.BuildFromGlyphIndex(gindex, sizeInPoint);
GlyphImage glyphImg = aggTextureGen.CreateGlyphImage(builder, 1);
if (applyFilter)
{
glyphImg = Sharpen(glyphImg, 1);
//TODO:
//the filter make the image shift x and y 1 px
//temp fix with this,
glyphImg.TextureOffsetX += 1;
glyphImg.TextureOffsetY += 1;
}
//
atlasBuilder.AddGlyph(gindex, glyphImg);
}
}
}
public NOpenFontFace(Typeface typeface, string fontName, string fontPath)
{
_typeface = typeface;
_name = fontName;
_path = fontPath;
_glyphPathBuilder = new GlyphPathBuilder(typeface);
}
public NOpenFontFace(Typeface typeface, string fontName, string fontPath)
{
this.typeface = typeface;
this.name = fontName;
this.path = fontPath;
glyphPathBuilder = new GlyphPathBuilder(typeface);
}
void RenderWithMiniAgg(Typeface typeface, char testChar, float sizeInPoint)
{
//----------------------------------------------------
var builder = new GlyphPathBuilder(typeface);
builder.SetHintTechnique((HintTechnique)lstHintList.SelectedItem);
//----------------------------------------------------
builder.Build(testChar, sizeInPoint);
var txToVxs1 = new GlyphTranslatorToVxs();
builder.ReadShapes(txToVxs1);
VertexStore vxs = new VertexStore();
txToVxs1.WriteOutput(vxs, _vxsPool);
//----------------------------------------------------
p.UseSubPixelRendering = chkLcdTechnique.Checked;
//5. use PixelFarm's Agg to render to bitmap...
//5.1 clear background
p.Clear(PixelFarm.Drawing.Color.White);
if (chkFillBackground.Checked)
{
//5.2
p.FillColor = PixelFarm.Drawing.Color.Black;
//5.3
p.Fill(vxs);
}
if (chkBorder.Checked)
{
//5.4
// p.StrokeWidth = 3;
p.StrokeColor = PixelFarm.Drawing.Color.Green;
//user can specific border width here...
//p.StrokeWidth = 2;
//5.5
p.Draw(vxs);
}
if (chkShowGrid.Checked)
{
//render grid
RenderGrid(800, 600, _gridSize, p);
}
//6. use this util to copy image from Agg actual image to System.Drawing.Bitmap
PixelFarm.Agg.Imaging.BitmapHelper.CopyToGdiPlusBitmapSameSize(destImg, winBmp);
//---------------
//7. just render our bitmap
g.Clear(Color.White);
g.DrawImage(winBmp, new Point(30, 20));
}
static void CreateSampleMsdfTextureFont(string fontfile, float sizeInPoint, ushort startGlyphIndex, ushort endGlyphIndex, string outputFile)
{
//sample
var reader = new OpenFontReader();
using (var fs = new FileStream(fontfile, FileMode.Open))
{
//1. read typeface from font file
Typeface typeface = reader.Read(fs);
//sample: create sample msdf texture
//-------------------------------------------------------------
var builder = new GlyphPathBuilder(typeface);
//builder.UseTrueTypeInterpreter = this.chkTrueTypeHint.Checked;
//builder.UseVerticalHinting = this.chkVerticalHinting.Checked;
//-------------------------------------------------------------
var atlasBuilder = new SimpleFontAtlasBuilder();
for (ushort gindex = startGlyphIndex; gindex <= endGlyphIndex; ++gindex)
{
//build glyph
builder.BuildFromGlyphIndex(gindex, sizeInPoint);
var glyphToContour = new GlyphContourBuilder();
//glyphToContour.Read(builder.GetOutputPoints(), builder.GetOutputContours());
var genParams = new MsdfGenParams();
builder.ReadShapes(glyphToContour);
genParams.shapeScale = 1f / 64; //we scale later (as original C++ code use 1/64)
GlyphImage glyphImg = MsdfGlyphGen.CreateMsdfImage(glyphToContour, genParams);
atlasBuilder.AddGlyph(gindex, glyphImg);
//using (Bitmap bmp = new Bitmap(w, h, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
//{
// var bmpdata = bmp.LockBits(new Rectangle(0, 0, w, h), System.Drawing.Imaging.ImageLockMode.ReadWrite, bmp.PixelFormat);
// System.Runtime.InteropServices.Marshal.Copy(buffer, 0, bmpdata.Scan0, buffer.Length);
// bmp.UnlockBits(bmpdata);
// bmp.Save("d:\\WImageTest\\a001_xn2_" + n + ".png");
//}
}
var glyphImg2 = atlasBuilder.BuildSingleImage();
using (Bitmap bmp = new Bitmap(glyphImg2.Width, glyphImg2.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, glyphImg2.Width, glyphImg2.Height),
System.Drawing.Imaging.ImageLockMode.ReadWrite, bmp.PixelFormat);
int[] intBuffer = glyphImg2.GetImageBuffer();
System.Runtime.InteropServices.Marshal.Copy(intBuffer, 0, bmpdata.Scan0, intBuffer.Length);
bmp.UnlockBits(bmpdata);
bmp.Save("d:\\WImageTest\\a_total.png");
}
atlasBuilder.SaveFontInfo("d:\\WImageTest\\a_info.xml");
}
}
void RenderWithMsdfImg(Typeface typeface, char testChar, float sizeInPoint)
{
painter.FillColor = PixelFarm.Drawing.Color.Black;
//p.UseSubPixelRendering = chkLcdTechnique.Checked;
painter.Clear(PixelFarm.Drawing.Color.White);
//----------------------------------------------------
var builder = new GlyphPathBuilder(typeface);
builder.SetHintTechnique(_glyphRenderOptions.HintTechnique);
//----------------------------------------------------
builder.Build(testChar, sizeInPoint);
//----------------------------------------------------
var glyphToContour = new GlyphContourBuilder();
var msdfGenPars = new MsdfGenParams();
builder.ReadShapes(glyphToContour);
//glyphToContour.Read(builder.GetOutputPoints(), builder.GetOutputContours());
MsdfGenParams genParams = new MsdfGenParams();
GlyphImage glyphImg = MsdfGlyphGen.CreateMsdfImage(glyphToContour, genParams);
var actualImg = ActualImage.CreateFromBuffer(glyphImg.Width, glyphImg.Height, PixelFormat.ARGB32, glyphImg.GetImageBuffer());
painter.DrawImage(actualImg, 0, 0);
//using (Bitmap bmp = new Bitmap(w, h, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
//{
// var bmpdata = bmp.LockBits(new Rectangle(0, 0, w, h), System.Drawing.Imaging.ImageLockMode.ReadWrite, bmp.PixelFormat);
// System.Runtime.InteropServices.Marshal.Copy(buffer, 0, bmpdata.Scan0, buffer.Length);
// bmp.UnlockBits(bmpdata);
// bmp.Save("d:\\WImageTest\\a001_xn2_" + n + ".png");
//}
if (_contourAnalysisOpts.ShowGrid)
{
//render grid
RenderGrids(800, 600, _gridSize, painter);
}
//6. use this util to copy image from Agg actual image to System.Drawing.Bitmap
PixelFarm.Agg.Imaging.BitmapHelper.CopyToGdiPlusBitmapSameSize(destImg, winBmp);
//---------------
//7. just render our bitmap
g.Clear(Color.White);
g.DrawImage(winBmp, new Point(30, 20));
}
Typeface UpdateTypefaceAndGlyphBuilder()
{
//1. update _glyphPathBuilder for current typeface
if (_glyphPathBuilder == null)
{
//TODO: review here about how to load font file and glyph builder
//1. read typeface ...
Typeface typeface = null;
using (FileStream fs = new FileStream(_currentFontFilename, FileMode.Open, FileAccess.Read))
{
var reader = new OpenFontReader();
typeface = reader.Read(fs);
}
//2. and create
_glyphPathBuilder = new GlyphPathBuilder(typeface);
return(typeface);
}
else
{
return(_glyphPathBuilder.Typeface);
}
}
static SimpleFontAtlasBuilder CreateAggSubPixelRenderingTextureFont(
Typeface typeface, float sizeInPoint, HintTechnique hintTech, IEnumerable <ushort> glyphIndexIter)
{
////read type face from file
//Typeface typeface;
//using (var fs = new FileStream(fontfile, FileMode.Open, FileAccess.Read))
//{
// var reader = new OpenFontReader();
// //1. read typeface from font file
// typeface = reader.Read(fs);
//}
//sample: create sample msdf texture
//-------------------------------------------------------------
var builder = new GlyphPathBuilder(typeface);
builder.SetHintTechnique(hintTech);
//-------------------------------------------------------------
var atlasBuilder = new SimpleFontAtlasBuilder();
atlasBuilder.SetAtlasInfo(TextureKind.AggSubPixel, sizeInPoint);
VertexStorePool vxsPool = new VertexStorePool();
//create agg cavnas
foreach (ushort gindex in glyphIndexIter)
{
//build glyph
builder.BuildFromGlyphIndex(gindex, sizeInPoint);
var txToVxs = new GlyphTranslatorToVxs();
builder.ReadShapes(txToVxs);
//
//create new one
var glyphVxs = new VertexStore();
txToVxs.WriteOutput(glyphVxs, vxsPool);
//find bound
//--------------------------------------------
//GlyphImage glyphImg = new GlyphImage()
RectD bounds = new Agg.RectD();
BoundingRect.GetBoundingRect(new VertexStoreSnap(glyphVxs), ref bounds);
//--------------------------------------------
int w = (int)System.Math.Ceiling(bounds.Width);
int h = (int)System.Math.Ceiling(bounds.Height);
if (w < 5)
{
w = 5;
}
if (h < 5)
{
h = 5;
}
//translate to positive quadrant
double dx = (bounds.Left < 0) ? -bounds.Left : 0;
double dy = (bounds.Bottom < 0) ? -bounds.Bottom : 0;
w = w * 4;
if (dx != 0 || dy != 0)
{
Agg.Transform.Affine transformMat = Agg.Transform.Affine.NewTranslation(dx, dy);
VertexStore vxs2 = new VertexStore();
glyphVxs.TranslateToNewVxs(dx, dy, vxs2);
glyphVxs = vxs2;
}
//--------------------------------------------
//create glyph img
ActualImage img = new Agg.ActualImage(w, h, PixelFormat.ARGB32);
ImageGraphics2D imgCanvas2d = new Agg.ImageGraphics2D(img);
AggCanvasPainter painter = new Agg.AggCanvasPainter(imgCanvas2d);
//we use white glyph on black bg for this texture
painter.Clear(Color.Black); //fill with black
painter.FillColor = Color.White;
painter.StrokeColor = Color.White;
//--------------------------------------------
painter.UseSubPixelRendering = true;
//--------------------------------------------
//--------------------------------------------
painter.Fill(glyphVxs);
//--------------------------------------------
var glyphImage = new GlyphImage(w, h);
glyphImage.TextureOffsetX = dx;
glyphImage.TextureOffsetY = dy;
glyphImage.SetImageBuffer(ActualImage.GetBuffer2(img), false);
//copy data from agg canvas to glyph image
atlasBuilder.AddGlyph(gindex, glyphImage);
//int[] buffer = glyphImage.GetImageBuffer();
//using (var bmp = new System.Drawing.Bitmap(glyphImage.Width, glyphImage.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
//{
// var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, glyphImage.Width, glyphImage.Height),
// System.Drawing.Imaging.ImageLockMode.ReadWrite, bmp.PixelFormat);
// System.Runtime.InteropServices.Marshal.Copy(buffer, 0, bmpdata.Scan0, buffer.Length);
// bmp.UnlockBits(bmpdata);
// bmp.Save("d:\\WImageTest\\a001_subpix_xn2_" + gindex + ".png");
//}
}
//var glyphImg2 = atlasBuilder.BuildSingleImage();
//using (var bmp = new System.Drawing.Bitmap(glyphImg2.Width, glyphImg2.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
//{
// var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, glyphImg2.Width, glyphImg2.Height),
// System.Drawing.Imaging.ImageLockMode.ReadWrite, bmp.PixelFormat);
// int[] intBuffer = glyphImg2.GetImageBuffer();
// System.Runtime.InteropServices.Marshal.Copy(intBuffer, 0, bmpdata.Scan0, intBuffer.Length);
// bmp.UnlockBits(bmpdata);
// bmp.Save("d:\\WImageTest\\a_total.png");
//}
//atlasBuilder.SaveFontInfo("d:\\WImageTest\\a_info.xml");
return(atlasBuilder);
}
static SimpleFontAtlasBuilder CreateSampleMsdfTextureFont(
Typeface typeface,
float sizeInPoint,
HintTechnique hintTech,
IEnumerable <ushort> glyphIndexIter)
{
////read type face from file
//Typeface typeface;
//using (var fs = new FileStream(fontfile, FileMode.Open, FileAccess.Read))
//{
// var reader = new OpenFontReader();
// //1. read typeface from font file
// typeface = reader.Read(fs);
//}
//sample: create sample msdf texture
//-------------------------------------------------------------
var builder = new GlyphPathBuilder(typeface);
builder.SetHintTechnique(hintTech);
MsdfGenParams genParams = new MsdfGenParams();
var atlasBuilder = new SimpleFontAtlasBuilder();
atlasBuilder.SetAtlasInfo(TextureKind.Msdf, sizeInPoint);
foreach (ushort gindex in glyphIndexIter)
{
//build glyph
builder.BuildFromGlyphIndex(gindex, -1); //use original glyph size (assign -1)
var glyphToContour = new GlyphContourBuilder();
//glyphToContour.Read(builder.GetOutputPoints(), builder.GetOutputContours());
builder.ReadShapes(glyphToContour);
genParams.shapeScale = 1f / 64; //we scale later (as original C++ code use 1/64)
GlyphImage glyphImg = MsdfGlyphGen.CreateMsdfImage(glyphToContour, genParams);
atlasBuilder.AddGlyph(gindex, glyphImg);
//int[] buffer = glyphImage.GetImageBuffer();
//using (var bmp = new System.Drawing.Bitmap(glyphImage.Width, glyphImage.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
//{
// var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, glyphImage.Width, glyphImage.Height),
// System.Drawing.Imaging.ImageLockMode.ReadWrite, bmp.PixelFormat);
// System.Runtime.InteropServices.Marshal.Copy(buffer, 0, bmpdata.Scan0, buffer.Length);
// bmp.UnlockBits(bmpdata);
// bmp.Save("d:\\WImageTest\\a001_xn2_" + c + ".png");
//}
}
//var glyphImg2 = atlasBuilder.BuildSingleImage();
//using (var bmp = new System.Drawing.Bitmap(glyphImg2.Width, glyphImg2.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
//{
// var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, glyphImg2.Width, glyphImg2.Height),
// System.Drawing.Imaging.ImageLockMode.ReadWrite, bmp.PixelFormat);
// int[] intBuffer = glyphImg2.GetImageBuffer();
// System.Runtime.InteropServices.Marshal.Copy(intBuffer, 0, bmpdata.Scan0, intBuffer.Length);
// bmp.UnlockBits(bmpdata);
// bmp.Save("d:\\WImageTest\\a_total.png");
//}
//atlasBuilder.SaveFontInfo("d:\\WImageTest\\a_info.xml");
return(atlasBuilder);
}
void CreateTextureFontFromGlyphIndices(
Typeface typeface,
float sizeInPoint,
HintTechnique hintTechnique,
SimpleFontAtlasBuilder atlasBuilder,
bool applyFilter,
ushort[] glyphIndices)
{
//sample: create sample msdf texture
//-------------------------------------------------------------
var builder = new GlyphPathBuilder(typeface);
builder.SetHintTechnique(hintTechnique);
//
if (atlasBuilder.TextureKind == TextureKind.Msdf)
{
MsdfGenParams msdfGenParams = new MsdfGenParams();
int j = glyphIndices.Length;
for (int i = 0; i < j; ++i)
{
ushort gindex = glyphIndices[i];
//create picture with unscaled version set scale=-1
//(we will create glyph contours and analyze them)
builder.BuildFromGlyphIndex(gindex, -1);
var glyphToContour = new GlyphContourBuilder();
builder.ReadShapes(glyphToContour);
//msdfgen with scale the glyph to specific shapescale
msdfGenParams.shapeScale = 1f / 64; //as original
GlyphImage glyphImg = MsdfGlyphGen.CreateMsdfImage(glyphToContour, msdfGenParams);
//
atlasBuilder.AddGlyph(gindex, glyphImg);
}
}
else
{
AggGlyphTextureGen aggTextureGen = new AggGlyphTextureGen();
aggTextureGen.TextureKind = atlasBuilder.TextureKind;
//create reusable agg painter***
//assume each glyph size= 2 * line height
//TODO: review here again...
int tmpMemBmpHeight = (int)(2 * typeface.CalculateRecommendLineSpacing() * typeface.CalculateScaleToPixelFromPointSize(sizeInPoint));
//create glyph img
using (PixelFarm.CpuBlit.MemBitmap tmpMemBmp = new PixelFarm.CpuBlit.MemBitmap(tmpMemBmpHeight, tmpMemBmpHeight)) //square
{
//draw a glyph into tmpMemBmp and then copy to a GlyphImage
aggTextureGen.Painter = PixelFarm.CpuBlit.AggPainter.Create(tmpMemBmp);
#if DEBUG
tmpMemBmp._dbugNote = "CreateGlyphImage()";
#endif
int j = glyphIndices.Length;
for (int i = 0; i < j; ++i)
{
//build glyph
ushort gindex = glyphIndices[i];
builder.BuildFromGlyphIndex(gindex, sizeInPoint);
GlyphImage glyphImg = aggTextureGen.CreateGlyphImage(builder, 1);
if (applyFilter)
{
glyphImg = Sharpen(glyphImg, 1);
//TODO:
//the filter make the image shift x and y 1 px
//temp fix with this,
glyphImg.TextureOffsetX += 1;
glyphImg.TextureOffsetY += 1;
}
//
atlasBuilder.AddGlyph(gindex, glyphImg);
}
}
}
}
void CreateTextureFontFromGlyphIndices(
Typeface typeface,
float sizeInPoint,
TextureKind textureKind,
ushort[] glyphIndices, OnEachFinishTotal onFinishTotal)
{
if (onFinishTotal == null)
{
return;
}
//sample: create sample msdf texture
//-------------------------------------------------------------
var builder = new GlyphPathBuilder(typeface);
builder.UseTrueTypeInstructions = this.UseTrueTypeInstruction;
//-------------------------------------------------------------
var atlasBuilder = new SimpleFontAtlasBuilder();
atlasBuilder.SetAtlasInfo(textureKind, sizeInPoint);
//-------------------------------------------------------------
//
MsdfGenParams msdfGenParams = null;
AggGlyphTextureGen aggTextureGen = null;
if (textureKind == TextureKind.Msdf)
{
msdfGenParams = new MsdfGenParams();
}
else
{
aggTextureGen = new AggGlyphTextureGen();
}
float pxscale = typeface.CalculateScaleToPixelFromPointSize(sizeInPoint);
int j = glyphIndices.Length;
for (int i = 0; i < j; ++i)
{
//build glyph
ushort gindex = glyphIndices[i];
builder.BuildFromGlyphIndex(gindex, -1);
GlyphImage glyphImg = null;
if (textureKind == TextureKind.Msdf)
{
var glyphToContour = new GlyphContourBuilder();
//glyphToContour.Read(builder.GetOutputPoints(), builder.GetOutputContours());
builder.ReadShapes(glyphToContour);
msdfGenParams.shapeScale = 1f / 64; //as original
glyphImg = MsdfGlyphGen.CreateMsdfImage(glyphToContour, msdfGenParams);
}
else
{
//create alpha channel texture
aggTextureGen.TextureKind = textureKind;
glyphImg = aggTextureGen.CreateGlyphImage(builder, pxscale);
}
//
atlasBuilder.AddGlyph(gindex, glyphImg);
onFinishTotal(gindex, glyphImg, null);
}
onFinishTotal(0, null, atlasBuilder);
}
