public static int[] ConvertToIntBmp(Msdfgen.FloatRGBBmp input)
{
int height = input.Height;
int width = input.Width;
int[] output = new int[input.Width * input.Height];
for (int y = height - 1; y >= 0; --y)
{
for (int x = 0; x < width; ++x)
{
//a b g r
//----------------------------------
Msdfgen.FloatRGB pixel = input.GetPixel(x, y);
//a b g r
int abgr = (255 << 24) |
(Msdfgen.Vector2.Clamp((int)(pixel.b * 0x100), 0xff) << 16) |
(Msdfgen.Vector2.Clamp((int)(pixel.g * 0x100), 0xff) << 8) |
Msdfgen.Vector2.Clamp((int)(pixel.r * 0x100), 0xff);
output[(y * width) + x] = abgr;
//----------------------------------
/**it++ = clamp(int(bitmap(x, y).r*0x100), 0xff);
* it++ = clamp(int(bitmap(x, y).g*0x100), 0xff);
* it++ = clamp(int(bitmap(x, y).b*0x100), 0xff);*/
}
}
return(output);
}
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 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");
}
}
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);
}
