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 FontAtlasTextPrinter(AggPainter painter)
{
StartDrawOnLeftTop = true;
this._painter = painter;
this.PositionTechnique = PositionTechnique.OpenFont;
_textServices = new LayoutFarm.OpenFontTextService();
//2. create manager
_bmpFontMx = new BitmapFontManager <ActualBitmap>(
TextureKind.StencilLcdEffect,
_textServices,
atlas =>
{
GlyphImage totalGlyphImg = atlas.TotalGlyph;
return(new ActualBitmap(totalGlyphImg.Width, totalGlyphImg.Height, totalGlyphImg.GetImageBuffer()));
}
);
_bmpFontMx.SetCurrentScriptLangs(new ScriptLang[]
{
ScriptLangs.Latin
});
//3.
ChangeFont(new RequestFont("tahoma", 10));
SetupMaskPixelBlender(painter.Width, painter.Height);
}
static void BuildFontGlyphs(PixelFarm.Drawing.RequestFont font,
Typography.Rendering.SimpleFontAtlasBuilder atlasBuilder,
int startAt, int endAt)
{
//font glyph for specific font face
ActualFont nativeFont = GetActualFont(font.Name, font.SizeInPoints);// nativeFontStore.GetResolvedNativeFont(font);
for (int i = startAt; i <= endAt; ++i)
{
char c = (char)i;
FontGlyph fontGlyph = nativeFont.GetGlyph(c);
//-------------------
GlyphImage glyphImg = NativeMsdfGen.BuildMsdfFontImage(fontGlyph);
// Console.WriteLine(c.ToString() + " ox,oy" + glyphImg.OffsetX + "," + glyphImg.OffsetY);
int w = glyphImg.Width;
int h = glyphImg.Height;
int[] buffer = glyphImg.GetImageBuffer();
NativeMsdfGen.SwapColorComponentFromBigEndianToWinGdi(buffer);
glyphImg.SetImageBuffer(buffer, false);
// atlasBuilder.AddGlyph(fontGlyph.glyphMatrix.u c, fontGlyph, 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_x1_" + (int)c + ".png");
//}
}
}
static void SaveImgBufferToFile(GlyphImage glyphImg, string filename)
{
int[] intBuffer = glyphImg.GetImageBuffer();
using (System.Drawing.Bitmap newBmp = new System.Drawing.Bitmap(glyphImg.Width, glyphImg.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
unsafe
{
fixed(int *head = &intBuffer[0])
{
CopyToGdiPlusBitmapSameSize((IntPtr)head, newBmp);
}
}
//save
newBmp.Save(filename);
}
}
private void button11_Click(object sender, EventArgs e)
{
unsafe
{
GlyphImage g1 = BuildMsdfFontImage();
int[] buffer = g1.GetImageBuffer();
using (Bitmap bmp = new Bitmap(g1.Width, g1.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, g1.Width, g1.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_xn1_.png");
}
}
}
/// <summary>
/// test only, shapen org image with Paint.net sharpen filter
/// </summary>
/// <param name="org"></param>
/// <param name="radius"></param>
/// <returns></returns>
static GlyphImage Sharpen(GlyphImage org, int radius)
{
GlyphImage newImg = new GlyphImage(org.Width, org.Height);
Agg.Imaging.ShapenFilterPdn sharpen1 = new Agg.Imaging.ShapenFilterPdn();
int[] orgBuffer = org.GetImageBuffer();
unsafe
{
fixed(int *orgHeader = &orgBuffer[0])
{
int[] output = sharpen1.Sharpen(orgHeader, org.Width, org.Height, org.Width * 4, radius);
newImg.SetImageBuffer(output, org.IsBigEndian);
}
}
return(newImg);
}
public MySimpleGLBitmapFontManager(TextureKind textureKind, LayoutFarm.OpenFontTextService textServices)
: base(textureKind, textServices)
{
SetLoadNewBmpDel(atlas =>
{
//create new one
GlyphImage totalGlyphImg = atlas.TotalGlyph;
//load to glbmp
GLBitmap found = new GLBitmap(
PixelFarm.CpuBlit.MemBitmap.CreateFromCopy(
totalGlyphImg.Width,
totalGlyphImg.Height,
totalGlyphImg.GetImageBuffer()),
true); //set true=> glbmp is the original owner of the membmp, when glbmp is disposed => the membmp is disposed too
found.IsYFlipped = false;
return(found);
});
}
static void CreateSampleMsdfImg(ContourBuilder tx, string outputFile)
{
//sample
MsdfGenParams msdfGenParams = new MsdfGenParams();
GlyphImage glyphImg = MsdfGlyphGen.CreateMsdfImage(tx, msdfGenParams);
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(outputFile);
}
}
private void button5_Click(object sender, EventArgs e)
{
//1. load font
string fontName = "tahoma";
string fontfile = "c:\\Windows\\Fonts\\tahoma.ttf";
//string fontfile = @"D:\WImageTest\THSarabunNew\THSarabunNew.ttf";
ActualFont font = GetActualFont(fontfile, 18);// nativeFontStore.LoadFont(fontName, fontfile, 28);
//2. get glyph
var atlasBuilder = new Typography.Rendering.SimpleFontAtlasBuilder();
//for (int i = 0; i < 256; ++i)
//BuildFontGlyphsByIndex(font, atlasBuilder, 0, 255);
//BuildFontGlyphs(font, atlasBuilder, 0x0e00, 0x0e5b);
//BuildFontGlyphsByIndex(font, atlasBuilder, 0, 3417);
//BuildFontGlyphsByIndex(font, atlasBuilder, 0, 509);
//BuildFontGlyphsByIndex(font, atlasBuilder, 97, 97);
BuildFontGlyph(font, atlasBuilder, 'B');
//----------------------------------------------------
//GlyphImage totalImg = atlasBuilder.BuildSingleImage();
GlyphImage totalImg = atlasBuilder.BuildSingleImage();
using (Bitmap bmp = new Bitmap(totalImg.Width, totalImg.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
int[] buffer = totalImg.GetImageBuffer();
if (totalImg.IsBigEndian)
{
NativeMsdfGen.SwapColorComponentFromBigEndianToWinGdi(buffer);
totalImg.SetImageBuffer(buffer, false);
}
var bmpdata = bmp.LockBits(
new System.Drawing.Rectangle(0, 0, totalImg.Width, totalImg.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\\a_total.png");
}
string fontfilename = "d:\\WImageTest\\a_total.xml";
atlasBuilder.SaveFontInfo(fontfilename);
//----------------------------------
}
private void button1_Click(object sender, EventArgs e)
{
//1.
MsdfGenParams msdfGenParams = new MsdfGenParams();
//GlyphImage glyphImg = MsdfGlyphGen.CreateMsdfImage(tx, msdfGenParams);
Msdfgen.Shape shape1 = new Msdfgen.Shape();
//
Msdfgen.Contour cnt = new Msdfgen.Contour();
//cnt.AddLine(0, 0, 50, 0);
//cnt.AddLine(50, 0, 50, 50);
//cnt.AddLine(50, 50, 0, 50);
//cnt.AddLine(0, 50, 0, 0);
//cnt.AddLine(10, 20, 50, 0);
//cnt.AddLine(50, 0, 80, 20);
//cnt.AddLine(80, 20, 50, 60);
//cnt.AddLine(50, 60, 10, 20);
//for msdf we draw shape clock-wise
cnt.AddLine(10, 20, 50, 60);
cnt.AddLine(50, 60, 80, 20);
cnt.AddLine(80, 20, 50, 0);
cnt.AddLine(50, 0, 10, 20);
shape1.contours.Add(cnt);
//
//
var genParams = new MsdfGenParams();
GlyphImage glyphImg = MsdfGlyphGen.CreateMsdfImage(shape1, genParams);
using (Bitmap bmp = new Bitmap(glyphImg.Width, glyphImg.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
int[] buffer = glyphImg.GetImageBuffer();
var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, glyphImg.Width, glyphImg.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\\msdf_shape.png");
//
}
}
static void SaveImgBufferToFile(GlyphImage glyphImg, string filename)
{
//-------------
int[] intBuffer = glyphImg.GetImageBuffer();
using (System.IO.FileStream fs = new System.IO.FileStream(filename, System.IO.FileMode.Create))
{
int imgW = glyphImg.Width;
int imgH = glyphImg.Height;
Hjg.Pngcs.ImageInfo imgInfo = new Hjg.Pngcs.ImageInfo(imgW, imgH, 8, true); //8 bits per channel with alpha
Hjg.Pngcs.PngWriter writer = new Hjg.Pngcs.PngWriter(fs, imgInfo);
Hjg.Pngcs.ImageLine iline = new Hjg.Pngcs.ImageLine(imgInfo, Hjg.Pngcs.ImageLine.ESampleType.BYTE);
int startReadAt = 0;
int imgStride = imgW * 4;
int srcIndex = 0;
int srcIndexRowHead = intBuffer.Length - imgW;
for (int row = 0; row < imgH; row++)
{
byte[] scanlineBuffer = iline.ScanlineB;
srcIndex = srcIndexRowHead;
for (int b = 0; b < imgStride;)
{
int srcInt = intBuffer[srcIndex];
srcIndex++;
scanlineBuffer[b] = (byte)((srcInt >> 16) & 0xff);
scanlineBuffer[b + 1] = (byte)((srcInt >> 8) & 0xff);
scanlineBuffer[b + 2] = (byte)((srcInt) & 0xff);
scanlineBuffer[b + 3] = (byte)((srcInt >> 24) & 0xff);
b += 4;
}
srcIndexRowHead -= imgW;
startReadAt += imgStride;
writer.WriteRow(iline, row);
}
writer.End();
}
}
static void BuildFontGlyph(ActualFont nativefont, Typography.Rendering.SimpleFontAtlasBuilder atlasBuilder, char c)
{
//font glyph for specific font face
FontGlyph fontGlyph = nativefont.GetGlyph(c);
GlyphImage glyphImg = NativeMsdfGen.BuildMsdfFontImage(fontGlyph);
int w = glyphImg.Width;
int h = glyphImg.Height;
int[] buffer = glyphImg.GetImageBuffer();
NativeMsdfGen.SwapColorComponentFromBigEndianToWinGdi(buffer);
glyphImg.SetImageBuffer(buffer, false);
atlasBuilder.AddGlyph(0, 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_x1_" + (int)c + ".png");
//}
}
private void button6_Click(object sender, EventArgs e)
{
//1. load font
ActualFont font = GetActualFont("tahoma", 28);// nativeFontStore.LoadFont("tahoma", 28);
//2. get glyph
var g1 = font.GetGlyph('C');
var plans = new List <Typography.TextLayout.GlyphPlan>();
PixelFarm.Drawing.Text.TextShapingService.GetGlyphPos(font, "ABC".ToCharArray(), 0, 3, plans);
int[] glyphIndice = new int[] { 1076, 1127, 1164 };
int j = glyphIndice.Length;
var atlasBuilder = new Typography.Rendering.SimpleFontAtlasBuilder();
for (int i = 0; i < j; ++i)
{
int codepoint = glyphIndice[i];
FontGlyph fontGlyph = font.GetGlyphByIndex((uint)codepoint);
GlyphImage glyphImg = NativeMsdfGen.BuildMsdfFontImage(fontGlyph);
int w = glyphImg.Width;
int h = glyphImg.Height;
int[] buffer = glyphImg.GetImageBuffer();
NativeMsdfGen.SwapColorComponentFromBigEndianToWinGdi(buffer);
glyphImg.SetImageBuffer(buffer, false);
atlasBuilder.AddGlyph(codepoint, glyphImg);
using (Bitmap bmp = new Bitmap(w, h, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
var bmpdata = bmp.LockBits(new System.Drawing.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_y1_" + codepoint + ".png");
}
}
//----------------------------------------------------
GlyphImage totalImg = atlasBuilder.BuildSingleImage();
using (Bitmap bmp = new Bitmap(totalImg.Width, totalImg.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
int[] buffer = totalImg.GetImageBuffer();
if (totalImg.IsBigEndian)
{
NativeMsdfGen.SwapColorComponentFromBigEndianToWinGdi(buffer);
totalImg.SetImageBuffer(buffer, false);
}
var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, totalImg.Width, totalImg.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\\a_total.png");
}
string fontfilename = "d:\\WImageTest\\a_total.xml";
atlasBuilder.SaveFontInfo(fontfilename);
//----------------------------------
}
public FontAtlasTextPrinter(AggPainter painter)
{
StartDrawOnLeftTop = true;
_painter = painter;
this.PositionTechnique = PositionTechnique.OpenFont;
_textServices = new LayoutFarm.OpenFontTextService();
//2.
_bmpFontMx = new BitmapFontManager <MemBitmap>(
_textServices,
atlas =>
{
GlyphImage totalGlyphImg = atlas.TotalGlyph;
if (atlas.UseSharedGlyphImage)
{
if (!_sharedGlyphImgs.TryGetValue(totalGlyphImg, out MemBitmap found))
{
found = MemBitmap.CreateFromCopy(totalGlyphImg.Width, totalGlyphImg.Height, totalGlyphImg.GetImageBuffer());
_sharedGlyphImgs.Add(totalGlyphImg, found);
}
return(found);
}
else
{
return(MemBitmap.CreateFromCopy(totalGlyphImg.Width, totalGlyphImg.Height, totalGlyphImg.GetImageBuffer()));
}
}
);
//3.
ChangeFont(painter.CurrentFont);
SetupMaskPixelBlender(painter.Width, painter.Height);
}
private void button3_Click(object sender, EventArgs e)
{
//1. load font
string fontName = "tahoma";
int fontSizeInPts = 28;
ActualFont font = GetActualFont(fontName, fontSizeInPts);
//2. get glyph
char[] fontChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".ToCharArray();
int j = fontChars.Length;
var atlasBuilder = new Typography.Rendering.SimpleFontAtlasBuilder();
atlasBuilder.SetAtlasInfo(TextureKind.Msdf, fontSizeInPts);
for (int i = 0; i < j; ++i)
{
char c = fontChars[i];
FontGlyph fontGlyph = font.GetGlyph(c);
GlyphImage glyphImg = NativeMsdfGen.BuildMsdfFontImage(fontGlyph);
int w = glyphImg.Width;
int h = glyphImg.Height;
int[] buffer = glyphImg.GetImageBuffer();
NativeMsdfGen.SwapColorComponentFromBigEndianToWinGdi(buffer);
glyphImg.SetImageBuffer(buffer, false);
atlasBuilder.AddGlyph(0, glyphImg);
using (Bitmap bmp = new Bitmap(w, h, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
var bmpdata = bmp.LockBits(
new System.Drawing.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_x1_" + (int)c + ".png");
}
}
//----------------------------------------------------
GlyphImage totalImg = atlasBuilder.BuildSingleImage();
using (Bitmap bmp = new Bitmap(totalImg.Width, totalImg.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
int[] buffer = totalImg.GetImageBuffer();
if (totalImg.IsBigEndian)
{
NativeMsdfGen.SwapColorComponentFromBigEndianToWinGdi(buffer);
totalImg.SetImageBuffer(buffer, false);
}
var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, totalImg.Width, totalImg.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\\a_total.png");
}
string fontfilename = "d:\\WImageTest\\a_total.xml";
atlasBuilder.SaveFontInfo(fontfilename);
//----------------------------------
}
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);
//----------
}
private void button1_Click_1(object sender, EventArgs e)
{
PixelFarm.CpuBlit.MemBitmapExtensions.DefaultMemBitmapIO = new PixelFarm.Drawing.WinGdi.GdiBitmapIO();
var storageProvider = new LocalFileStorageProvider("", true);
PixelFarm.Platforms.StorageService.RegisterProvider(storageProvider);
var bmpFontMx = new BitmapFontManager <MemBitmap>(
_textServices,
atlas =>
{
GlyphImage totalGlyphImg = atlas.TotalGlyph;
return(MemBitmap.CreateFromCopy(totalGlyphImg.Width, totalGlyphImg.Height, totalGlyphImg.GetImageBuffer()));
}
);
string multiSizeFontAtlasFilename = "tahoma_set1.multisize_fontAtlas";
string totalImgAtlasFilename = "tahoma_set1.multisize_fontAtlas.png";
//in this version, mutlsize font texture must use the same typeface
{
MultiSizeFontAtlasBuilder multiSizeFontAtlasBuilder = new MultiSizeFontAtlasBuilder();
{
bmpFontMx.TextureKindForNewFont = PixelFarm.Drawing.BitmapAtlas.TextureKind.StencilLcdEffect;
AddExistingOrCreateNewSimpleFontAtlas(multiSizeFontAtlasBuilder, new RequestFont("tahoma", 10), bmpFontMx);
AddExistingOrCreateNewSimpleFontAtlas(multiSizeFontAtlasBuilder, new RequestFont("tahoma", 11), bmpFontMx);
AddExistingOrCreateNewSimpleFontAtlas(multiSizeFontAtlasBuilder, new RequestFont("tahoma", 12), bmpFontMx);
AddExistingOrCreateNewSimpleFontAtlas(multiSizeFontAtlasBuilder, new RequestFont("tahoma", 13), bmpFontMx);
AddExistingOrCreateNewSimpleFontAtlas(multiSizeFontAtlasBuilder, new RequestFont("tahoma", 14), bmpFontMx);
bmpFontMx.TextureKindForNewFont = PixelFarm.Drawing.BitmapAtlas.TextureKind.Msdf;
AddExistingOrCreateNewSimpleFontAtlas(multiSizeFontAtlasBuilder, new RequestFont("tahoma", 24), bmpFontMx);
}
//-------
multiSizeFontAtlasBuilder.BuildMultiFontSize(multiSizeFontAtlasFilename, totalImgAtlasFilename);
}
{
//test load the font altas back
FontAtlasFile atlasFile = new FontAtlasFile();
using (FileStream fs = new FileStream(multiSizeFontAtlasFilename, FileMode.Open))
{
atlasFile.Read(fs);
}
}
}
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));
}
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 glyphContourBuilder = new ContourBuilder();
//glyphToContour.Read(builder.GetOutputPoints(), builder.GetOutputContours());
var genParams = new MsdfGenParams();
builder.ReadShapes(new GlyphContourBuilder2(glyphContourBuilder));
//genParams.shapeScale = 1f / 64; //we scale later (as original C++ code use 1/64)
GlyphImage glyphImg = MsdfGlyphGen.CreateMsdfImage(glyphContourBuilder, genParams);
atlasBuilder.AddGlyph(gindex, glyphImg);
using (Bitmap bmp = new Bitmap(glyphImg.Width, glyphImg.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
int[] buffer = glyphImg.GetImageBuffer();
var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, glyphImg.Width, glyphImg.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_" + gindex + ".png");
}
}
GlyphImage 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(outputFile);
}
string saveToFile = "d:\\WImageTest\\a_info.bin";
using (System.IO.FileStream saveFs = new FileStream(saveToFile, FileMode.Create))
{
atlasBuilder.SaveFontInfo(saveFs);
saveFs.Flush();
saveFs.Close();
}
//
//-----------
//test read texture info back
var atlasBuilder2 = new SimpleFontAtlasBuilder();
using (System.IO.FileStream readFromFs = new FileStream(saveToFile, FileMode.Open))
{
var readbackFontAtlas = atlasBuilder2.LoadFontAtlasInfo(readFromFs);
}
}
}
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());
///
}
