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);
}
protected override void OnReadyForInitGLShaderProgram()
{
//---------------------
var atlasBuilder = new Typography.Rendering.SimpleFontAtlasBuilder();
using (System.IO.FileStream fs = new System.IO.FileStream(RootDemoPath.Path + @"\a_total.xml", System.IO.FileMode.Open))
{
_fontAtlas = atlasBuilder.LoadFontAtlasInfo(fs)[0];
}
PixelFarm.CpuBlit.MemBitmap actualImg = null;
using (System.IO.FileStream fs = new System.IO.FileStream(RootDemoPath.Path + @"\a_total.png", System.IO.FileMode.Open))
{
actualImg = PixelFarm.CpuBlit.MemBitmap.LoadBitmap(fs);
}
_totalBmp = actualImg;
//var bmpdata = totalImg.LockBits(new System.Drawing.Rectangle(0, 0, totalImg.Width, totalImg.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, totalImg.PixelFormat);
//var buffer = new int[totalImg.Width * totalImg.Height];
//System.Runtime.InteropServices.Marshal.Copy(bmpdata.Scan0, buffer, 0, buffer.Length);
//totalImg.UnlockBits(bmpdata);
var glyph = new Typography.Rendering.GlyphImage(_totalBmp.Width, _totalBmp.Height);
glyph.SetImageBuffer(PixelFarm.CpuBlit.MemBitmap.CopyImgBuffer(actualImg), false);
_fontAtlas.TotalGlyph = glyph;
}
protected override void OnInitGLProgram(object sender, EventArgs args)
{
int max = Math.Max(this.Width, this.Height);
canvas2d = PixelFarm.Drawing.GLES2.GLES2Platform.CreateCanvasGL2d(max, max);
painter = new GLCanvasPainter(canvas2d, max, max);
//---------------------
string fontfilename = "d:\\WImageTest\\a_total.xml";
var atlasBuilder = new Typography.Rendering.SimpleFontAtlasBuilder();
fontAtlas = atlasBuilder.LoadFontInfo(fontfilename);
totalImg = new System.Drawing.Bitmap("d:\\WImageTest\\a_total.png");
var bmpdata = totalImg.LockBits(new System.Drawing.Rectangle(0, 0, totalImg.Width, totalImg.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, totalImg.PixelFormat);
var buffer = new int[totalImg.Width * totalImg.Height];
System.Runtime.InteropServices.Marshal.Copy(bmpdata.Scan0, buffer, 0, buffer.Length);
totalImg.UnlockBits(bmpdata);
var glyph = new Typography.Rendering.GlyphImage(totalImg.Width, totalImg.Height);
glyph.SetImageBuffer(buffer, false);
fontAtlas.TotalGlyph = glyph;
//---------------------
}
protected override void OnReadyForInitGLShaderProgram()
{
//---------------------
var atlasBuilder = new Typography.Rendering.SimpleFontAtlasBuilder();
fontAtlas = atlasBuilder.LoadFontInfo(RootDemoPath.Path + @"\a_total.xml");
var actualImg = DemoHelper.LoadImage(RootDemoPath.Path + @"\a_total.png");
//var bmpdata = totalImg.LockBits(new System.Drawing.Rectangle(0, 0, totalImg.Width, totalImg.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, totalImg.PixelFormat);
//var buffer = new int[totalImg.Width * totalImg.Height];
//System.Runtime.InteropServices.Marshal.Copy(bmpdata.Scan0, buffer, 0, buffer.Length);
//totalImg.UnlockBits(bmpdata);
var glyph = new Typography.Rendering.GlyphImage(totalImg.Width, totalImg.Height);
glyph.SetImageBuffer(PixelFarm.Agg.ActualImage.CopyImgBuffer(actualImg), false);
fontAtlas.TotalGlyph = glyph;
}
