void RenderWithMsdfImg(Typeface typeface, char testChar, float sizeInPoint)
{
p.FillColor = PixelFarm.Drawing.Color.Black;
//p.UseSubPixelRendering = chkLcdTechnique.Checked;
p.Clear(PixelFarm.Drawing.Color.White);
//----------------------------------------------------
var builder = new MyGlyphPathBuilder(typeface);
var hintTech = (HintTechnique)cmbHintTechnique.SelectedItem;
builder.UseTrueTypeInstructions = false; //reset
builder.UseVerticalHinting = false; //reset
switch (hintTech)
{
case HintTechnique.TrueTypeInstruction:
builder.UseTrueTypeInstructions = true;
break;
case HintTechnique.TrueTypeInstruction_VerticalOnly:
builder.UseTrueTypeInstructions = true;
builder.UseVerticalHinting = true;
break;
case HintTechnique.CustomAutoFit:
//custom agg autofit
break;
}
//----------------------------------------------------
builder.Build(testChar, sizeInPoint);
//----------------------------------------------------
var msdfGlyphGen = new MsdfGlyphGen();
GlyphImage2 glyphImg = msdfGlyphGen.CreateMsdfImage(
builder.GetOutputPoints(),
builder.GetOutputContours(),
builder.GetPixelScale());
var actualImg = ActualImage.CreateFromBuffer(glyphImg.Width, glyphImg.Height, PixelFormat.ARGB32, glyphImg.GetImageBuffer());
p.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 (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));
}
void RenderWithGdiPlusPath(Typeface typeface, char testChar, float sizeInPoint, int resolution)
{
//render glyph path with Gdi+ path
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
g.Clear(Color.White);
//////credit:
//////http://stackoverflow.com/questions/1485745/flip-coordinates-when-drawing-to-control
g.ScaleTransform(1.0F, -1.0F); // Flip the Y-Axis
g.TranslateTransform(0.0F, -(float)300); // Translate the drawing area accordingly
//----------------------------------------------------
var builder = new MyGlyphPathBuilder(typeface);
var hintTech = (HintTechnique)cmbHintTechnique.SelectedItem;
builder.UseTrueTypeInstructions = false; //reset
builder.UseVerticalHinting = false; //reset
switch (hintTech)
{
case HintTechnique.TrueTypeInstruction:
builder.UseTrueTypeInstructions = true;
break;
case HintTechnique.TrueTypeInstruction_VerticalOnly:
builder.UseTrueTypeInstructions = true;
builder.UseVerticalHinting = true;
break;
case HintTechnique.CustomAutoFit:
//custom agg autofit
break;
}
//----------------------------------------------------
builder.Build(testChar, sizeInPoint);
var gdiPathBuilder = new GlyphPathBuilderGdi();
builder.ReadShapes(gdiPathBuilder);
float pxScale = builder.GetPixelScale();
System.Drawing.Drawing2D.GraphicsPath path = gdiPathBuilder.ResultGraphicPath;
path.Transform(
new System.Drawing.Drawing2D.Matrix(
pxScale, 0,
0, pxScale,
0, 0
));
if (chkFillBackground.Checked)
{
g.FillPath(Brushes.Black, path);
}
if (chkBorder.Checked)
{
g.DrawPath(Pens.Green, path);
}
//transform back
g.ScaleTransform(1.0F, -1.0F); // Flip the Y-Axis
g.TranslateTransform(0.0F, -(float)300); // Translate the drawing area accordingly
}
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 MyGlyphPathBuilder(typeface);
//builder.UseTrueTypeInterpreter = this.chkTrueTypeHint.Checked;
//builder.UseVerticalHinting = this.chkVerticalHinting.Checked;
//-------------------------------------------------------------
var atlasBuilder = new SimpleFontAtlasBuilder2();
var msdfBuilder = new MsdfGlyphGen();
for (ushort n = startGlyphIndex; n <= endGlyphIndex; ++n)
{
//build glyph
builder.BuildFromGlyphIndex(n, sizeInPoint);
var msdfGlyphGen = new MsdfGlyphGen();
var actualImg = msdfGlyphGen.CreateMsdfImage(
builder.GetOutputPoints(),
builder.GetOutputContours(),
builder.GetPixelScale());
atlasBuilder.AddGlyph((int)n, actualImg);
//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");
}
}
List <ushort> inputGlyphs = new List <ushort>(); //not thread safe***
public void Print(Typeface typeface, float size, char[] str, List <GlyphPlan> glyphPlanBuffer)
{
//1. layout
_glyphLayout.Layout(typeface, size, str, glyphPlanBuffer);
var glyphPathBuilder = new MyGlyphPathBuilder(typeface);
int j = glyphPlanBuffer.Count;
float pxScale = typeface.CalculateFromPointToPixelScale(size);
for (int i = 0; i < j; ++i)
{
GlyphPlan glyphPlan = glyphPlanBuffer[i];
//-----------------------------------
//check if we static vxs/bmp for this glyph
//if not, create and cache
//-----------------------------------
glyphPathBuilder.BuildFromGlyphIndex(glyphPlan.glyphIndex, size);
//-----------------------------------
var vxsBuilder = new GlyphPathBuilderVxs();
glyphPathBuilder.ReadShapes(vxsBuilder);
glyphPlan.vxs = vxsBuilder.GetVxs(pxScale);
}
}
void RenderWithMiniAgg(Typeface typeface, char testChar, float sizeInPoint)
{
//----------------------------------------------------
var builder = new MyGlyphPathBuilder(typeface);
var hintTech = (HintTechnique)cmbHintTechnique.SelectedItem;
builder.UseTrueTypeInstructions = false; //reset
builder.UseVerticalHinting = false; //reset
switch (hintTech)
{
case HintTechnique.TrueTypeInstruction:
builder.UseTrueTypeInstructions = true;
break;
case HintTechnique.TrueTypeInstruction_VerticalOnly:
builder.UseTrueTypeInstructions = true;
builder.UseVerticalHinting = true;
break;
case HintTechnique.CustomAutoFit:
//custom agg autofit
break;
}
//----------------------------------------------------
builder.Build(testChar, sizeInPoint);
var vxsShapeBuilder = new GlyphPathBuilderVxs();
builder.ReadShapes(vxsShapeBuilder);
VertexStore vxs = vxsShapeBuilder.GetVxs();
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
if (!chkYGridFitting.Checked)
{
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);
}
float pxScale = builder.GetPixelScale();
//1. autofit
var autoFit = new GlyphAutoFit();
autoFit.Hint(
builder.GetOutputPoints(),
builder.GetOutputContours(), pxScale);
var vxsShapeBuilder2 = new GlyphPathBuilderVxs();
autoFit.ReadOutput(vxsShapeBuilder2);
VertexStore vxs2 = vxsShapeBuilder2.GetVxs();
//
p.FillColor = PixelFarm.Drawing.Color.Black;
p.Fill(vxs2);
if (chkShowTess.Checked)
{
#if DEBUG
debugDrawTriangulatedGlyph(autoFit.FitOutput, pxScale);
#endif
}
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));
}
