public static GlyphImage CreateMsdfImage(
this MsdfGlyphGen msdfGlyphGen,
GlyphPointF[] glyphPoints, ushort[] contourEndPoints, float pxScale = 1)
{
// create msdf shape , then convert to actual image
Msdfgen.Shape shape = msdfGlyphGen.CreateMsdfShape(glyphPoints, contourEndPoints, pxScale);
double left, bottom, right, top;
shape.findBounds(out left, out bottom, out right, out top);
int w = (int)Math.Ceiling((right - left));
int h = (int)Math.Ceiling((top - bottom));
if (w < 5)
{
w = 5;
}
if (h < 5)
{
h = 5;
}
Msdfgen.FloatRGBBmp frgbBmp = new Msdfgen.FloatRGBBmp(w, h);
Msdfgen.EdgeColoring.edgeColoringSimple(shape, 3);
Msdfgen.MsdfGenerator.generateMSDF(frgbBmp, shape, 4, new Msdfgen.Vector2(1, 1), new Msdfgen.Vector2(), -1);
//-----------------------------------
int[] buffer = Msdfgen.MsdfGenerator.ConvertToIntBmp(frgbBmp);
GlyphImage img = new Typography.Rendering.GlyphImage(w, h);
img.SetImageBuffer(buffer, false);
return(img);
}
public static BitmapAtlasItemSource CreateMsdfImageV1(Msdfgen.Shape shape, Msdfgen.MsdfGenParams genParams)
{
//output is msdf v1,
//int w, int h, Vector2 translate
Msdfgen.MsdfGen3.PreviewSizeAndLocation(shape, genParams, out int imgW, out int imgH, out Msdfgen.Vector2 translate);
//output is msdf v1
return(Msdfgen.MsdfGen3.CreateMsdfImage(shape, genParams, imgW, imgH, translate, null));//output is msdf v1, since we set lut=null
}
public static BitmapAtlasItemSource CreateMsdfImageV1(ContourBuilder contourBuilder, Msdfgen.MsdfGenParams genParams)
{
// create msdf shape , then convert to actual image
Msdfgen.Shape shape = CreateMsdfShape(contourBuilder, genParams.shapeScale);
//int w, int h, Vector2 translate
Msdfgen.MsdfGen3.PreviewSizeAndLocation(shape, genParams, out int imgW, out int imgH, out Msdfgen.Vector2 translate);
return(Msdfgen.MsdfGen3.CreateMsdfImage(shape, genParams, imgW, imgH, translate, null));
}
static Msdfgen.Shape CreateMsdfShape(List <GlyphContour> contours)
{
var shape = new Msdfgen.Shape();
int j = contours.Count;
for (int i = 0; i < j; ++i)
{
var cnt = new Msdfgen.Contour();
shape.contours.Add(cnt);
GlyphContour contour = contours[i];
List <GlyphPart> parts = contour.parts;
int m = parts.Count;
for (int n = 0; n < m; ++n)
{
GlyphPart p = parts[n];
switch (p.Kind)
{
default: throw new NotSupportedException();
case GlyphPartKind.Curve3:
{
GlyphCurve3 curve3 = (GlyphCurve3)p;
cnt.AddQuadraticSegment(
curve3.FirstPoint.X, curve3.FirstPoint.Y,
curve3.x1, curve3.y1,
curve3.x2, curve3.y2
);
}
break;
case GlyphPartKind.Curve4:
{
GlyphCurve4 curve4 = (GlyphCurve4)p;
cnt.AddCubicSegment(
curve4.FirstPoint.X, curve4.FirstPoint.Y,
curve4.x1, curve4.y1,
curve4.x2, curve4.y2,
curve4.x3, curve4.y3);
}
break;
case GlyphPartKind.Line:
{
GlyphLine line = (GlyphLine)p;
cnt.AddLine(
line.FirstPoint.X, line.FirstPoint.Y,
line.x1, line.y1);
}
break;
}
}
}
return(shape);
}
public static GlyphImage CreateMsdfImage(Msdfgen.Shape shape)
{
double left, bottom, right, top;
shape.findBounds(out left, out bottom, out right, out top);
int w = (int)Math.Ceiling((right - left));
int h = (int)Math.Ceiling((top - bottom));
if (w < 5)
{
w = 5;
}
if (h < 5)
{
h = 5;
}
int borderW = (int)((float)w / 5f);
var translate = new Msdfgen.Vector2(left < 0 ? -left + borderW : borderW, bottom < 0 ? -bottom + borderW : borderW);
w += borderW * 2; //borders,left- right
h += borderW * 2; //borders, top- bottom
Msdfgen.FloatRGBBmp frgbBmp = new Msdfgen.FloatRGBBmp(w, h);
Msdfgen.EdgeColoring.edgeColoringSimple(shape, 3);
Msdfgen.MsdfGenerator.generateMSDF(frgbBmp,
shape,
4,
new Msdfgen.Vector2(1, 1), //scale
translate, //translate to positive quadrant
-1);
//-----------------------------------
int[] buffer = Msdfgen.MsdfGenerator.ConvertToIntBmp(frgbBmp);
GlyphImage img = new GlyphImage(w, h);
img.TextureOffsetX = translate.x;
img.TextureOffsetY = translate.y;
img.SetImageBuffer(buffer, false);
return(img);
}
private void button10_Click(object sender, EventArgs e)
{
//--------------------------------------------
Msdfgen.Shape shape = new Msdfgen.Shape();
Msdfgen.Contour contour = new Msdfgen.Contour();
//contour.AddLine(10, 10, 25, 25);
//contour.AddLine(25, 25, 15, 10);
//contour.AddLine(15, 10, 10, 10);
contour.AddLine(10, 10, 25, 25);
contour.AddQuadraticSegment(25, 25, 15, 30, 10, 15);
contour.AddLine(10, 15, 10, 10);
shape.contours.Add(contour);
//-+---------------------------
double left, bottom, right, top;
shape.findBounds(out left, out bottom, out right, out top);
Msdfgen.FloatRGBBmp frgbBmp = new Msdfgen.FloatRGBBmp((int)Math.Ceiling((right - left)), (int)Math.Ceiling((top - bottom)));
double edgeThreshold = 1.00000001;//use default
double angleThreshold = 1;
shape.InverseYAxis = true;
Msdfgen.EdgeColoring.edgeColoringSimple(shape, 3);
Msdfgen.MsdfGenerator.generateMSDF(frgbBmp, shape, 4, new Msdfgen.Vector2(1, 1), new Msdfgen.Vector2(), -1);
int[] buffer = Msdfgen.MsdfGenerator.ConvertToIntBmp(frgbBmp);
//MsdfGen.SwapColorComponentFromBigEndianToWinGdi(buffer);
using (Bitmap bmp = new Bitmap(frgbBmp.Width, frgbBmp.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, frgbBmp.Width, frgbBmp.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_.png");
}
}
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");
//
}
}
public static GlyphImage CreateMsdfImage(Msdfgen.Shape shape, MsdfGenParams genParams)
{
double left, bottom, right, top;
shape.findBounds(out left, out bottom, out right, out top);
int w = (int)Math.Ceiling((right - left));
int h = (int)Math.Ceiling((top - bottom));
if (w < genParams.minImgWidth)
{
w = genParams.minImgWidth;
}
if (h < genParams.minImgHeight)
{
h = genParams.minImgHeight;
}
//temp, for debug with glyph 'I', tahoma font
//double edgeThreshold = 1.00000001;//default, if edgeThreshold < 0 then set edgeThreshold=1
//Msdfgen.Vector2 scale = new Msdfgen.Vector2(0.98714652956298199, 0.98714652956298199);
//double pxRange = 4;
//translate = new Msdfgen.Vector2(12.552083333333332, 4.0520833333333330);
//double range = pxRange / Math.Min(scale.x, scale.y);
int borderW = (int)((float)w / 5f);
var translate = new Msdfgen.Vector2(left < 0 ? -left + borderW : borderW, bottom < 0 ? -bottom + borderW : borderW);
w += borderW * 2; //borders,left- right
h += borderW * 2; //borders, top- bottom
double edgeThreshold = genParams.edgeThreshold;
if (edgeThreshold < 0)
{
edgeThreshold = 1.00000001; //use default if edgeThreshold <0
}
var scale = new Msdfgen.Vector2(genParams.scaleX, genParams.scaleY); //scale
double range = genParams.pxRange / Math.Min(scale.x, scale.y);
//---------
Msdfgen.FloatRGBBmp frgbBmp = new Msdfgen.FloatRGBBmp(w, h);
Msdfgen.EdgeColoring.edgeColoringSimple(shape, genParams.angleThreshold);
Msdfgen.MsdfGenerator.generateMSDF(frgbBmp,
shape,
range,
scale,
translate,//translate to positive quadrant
edgeThreshold);
//-----------------------------------
int[] buffer = Msdfgen.MsdfGenerator.ConvertToIntBmp(frgbBmp);
GlyphImage img = new GlyphImage(w, h);
img.TextureOffsetX = (short)translate.x;
img.TextureOffsetY = (short)translate.y;
img.SetImageBuffer(buffer, false);
return(img);
}
