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);
}
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);
}
