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 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();
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 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;
}
public GLBmpGlyphTextPrinter(GLCanvasPainter painter, IFontLoader fontLoader)
{
//create text printer for use with canvas painter
this.painter = painter;
this.canvas2d = painter.Canvas;
GlyphPosPixelSnapX = GlyphPosPixelSnapKind.Integer;
GlyphPosPixelSnapY = GlyphPosPixelSnapKind.Integer;
_fontLoader = fontLoader;
ChangeFont(painter.CurrentFont);
this._glyphLayout.ScriptLang = painter.CurrentFont.GetOpenFontScriptLang();
_loadedGlyphs = new GLBitmapCache <SimpleFontAtlas>(atlas =>
{
//create new one
Typography.Rendering.GlyphImage totalGlyphImg = atlas.TotalGlyph;
//load to glbmp
GLBitmap found = new GLBitmap(totalGlyphImg.Width, totalGlyphImg.Height, totalGlyphImg.GetImageBuffer(), false);
found.IsInvert = false;
return(found);
});
}
public void DrawString(char[] buffer, double x, double y)
{
int j = buffer.Length;
int buffsize = j * 2;
//resolve font from painter?
ActualFont fontImp = ff.GetFontAtPointsSize(font.SizeInPoints);
var tt = (Typography.OpenFont.Typeface)ff.GetInternalTypeface();
List <GlyphPlan> glyphPlans = new List <GlyphPlan>();
_glyphLayout.Layout(tt, font.SizeInPoints, buffer, glyphPlans);
//
//un-test version
//ActualFont fontImp = nativeFontStore.GetResolvedNativeFont(painter.CurrentFont);
//if (properGlyphs == null)
//{
// properGlyphs = new ProperGlyph[buffsize];
// TextShapingService.GetGlyphPos(fontImp, buffer, 0, buffsize, properGlyphs);
//}
//TODO: implement msdf texture
//double xpos = x;
//for (int i = 0; i < buffsize; ++i)
//{
// uint codepoint = properGlyphs[i].codepoint;
// if (codepoint == 0)
// {
// break;
// }
// //-------------------------------------------------------------
// FontGlyph glyph = fontImp.GetGlyphByIndex(codepoint);
// //glyph image32
// //-------------------------------------------------------------
// GLBitmap bmp = new GLBitmap(new LazyAggBitmapBufferProvider(glyph.glyphImage32));
// var left = glyph.glyphMatrix.img_horiBearingX;
// this.canvas2d.DrawImage(bmp,
// (float)(xpos + (left >> 6)),
// (float)(y + (glyph.glyphMatrix.bboxYmin >> 6)));
// int w = (glyph.glyphMatrix.advanceX) >> 6;
// xpos += (w);
// bmp.Dispose(); //temp here
// //-------------------------------------------------------------
//}
//-------------------------------------
//msdf texture version
double xpos = x;
int n = glyphPlans.Count;
Typography.Rendering.GlyphImage glyphImage = simpleFontAtlas.TotalGlyph;
GLBitmap glBmp = new GLBitmap(glyphImage.Width, glyphImage.Height, glyphImage.GetImageBuffer(), false);
float c_x = (float)x;
float c_y = (float)y;
//int left = ((int)(glyph.glyphMatrix.img_horiBearingX * scale) >> 6);
int left = 0;
//float baseline = c_y - 24;//eg line height= 24 //create a list
float baseline = c_y - 24;//eg line height= 24 //create a list
bool isFlipY = canvas2d.FlipY;
if (!isFlipY)
{
canvas2d.FlipY = true;
}
for (int i = 0; i < n; ++i)
{
GlyphPlan glyph = glyphPlans[i];
Typography.Rendering.TextureFontGlyphData glyphData;
if (!simpleFontAtlas.GetRectByCodePoint(glyph.glyphIndex, out glyphData))
{
//Rectangle r = glyphData.Rect;
//float x_min = glyphData.BBoxXMin / 64;
////draw each glyph at specific position
////_canvas.DrawSubImageWithMsdf(glBmp, ref r, c_x + x_min, (float)(baseline + r.Height));
//_canvas.DrawSubImageWithMsdf(glBmp, ref r, c_x + x_min, (float)(baseline + r.Height));
////c_x += r.Width - 10;
//c_x += (glyphData.AdvanceX / 64);
continue;
}
//found
PixelFarm.Drawing.Rectangle r = ConvToRect(glyphData.Rect);
//test draw full msdf gen img
//canvas2d.DrawImage(glBmp, c_x + left, (float)(baseline + ((int)(glyphData.ImgHeight))));
canvas2d.DrawSubImageWithMsdf(glBmp, ref r, c_x + left,
(float)(baseline + ((int)(glyphData.ImgHeight))), 1.0f);
c_x += glyph.advX;
}
canvas2d.FlipY = isFlipY;
glBmp.Dispose();
//temp here
//draw with texture printer ***
//char[] chars = text.ToCharArray();
//int j = chars.Length;
//int buffsize = j * 2;
////get kerning list
////get actual font for this canvas
//TextureFont currentFont = _currentTextureFont;
//SimpleFontAtlas fontAtlas = currentFont.FontAtlas;
//ProperGlyph[] properGlyphs = new ProperGlyph[buffsize];
//TextShapingService.GetGlyphPos(currentFont, chars, 0, buffsize, properGlyphs);
//GLBitmap glBmp = (GLBitmap)currentFont.GLBmp;
//if (glBmp == null)
//{
// //create glbmp
// GlyphImage glyphImage = fontAtlas.TotalGlyph;
// int[] buffer = glyphImage.GetImageBuffer();
// glBmp = new GLBitmap(glyphImage.Width, glyphImage.Height, buffer, false);
//}
////int j = chars.Length;
////
//float c_x = (float)x;
//float c_y = (float)y;
////TODO: review here ***
////-----------------
////1. layout each glyph before render ***
////
//float baseline = c_y - 24;//eg line height= 24 //create a list
////--------------
//List<float> coords = new List<float>();
//float scale = 1f;
//for (int i = 0; i < buffsize; ++i)
//{
// ProperGlyph glyph1 = properGlyphs[i];
// uint codepoint = properGlyphs[i].codepoint;
// if (codepoint == 0)
// {
// break;
// }
// //--------------------------------
// //if (codepoint == 1173 && i > 1)
// //{
// // //check prev code point
// // codepoint = 1168;
// //}
// //--------------------------------
// TextureFontGlyphData glyphData;
// if (!fontAtlas.GetRectByCodePoint((int)codepoint, out glyphData))
// {
// //Rectangle r = glyphData.Rect;
// //float x_min = glyphData.BBoxXMin / 64;
// ////draw each glyph at specific position
// ////_canvas.DrawSubImageWithMsdf(glBmp, ref r, c_x + x_min, (float)(baseline + r.Height));
// //_canvas.DrawSubImageWithMsdf(glBmp, ref r, c_x + x_min, (float)(baseline + r.Height));
// ////c_x += r.Width - 10;
// //c_x += (glyphData.AdvanceX / 64);
// continue;
// }
// FontGlyph glyph = currentFont.GetGlyphByIndex(codepoint);
// int left = ((int)(glyph.glyphMatrix.img_horiBearingX * scale) >> 6);
// Rectangle r = glyphData.Rect;
// int adjustX = 0;
// int bboxYMin = glyph.glyphMatrix.bboxYmin >> 6;
// if (bboxYMin > 1 || bboxYMin < -1)
// {
// // adjustX = 3;
// }
// //scale down 0.8;
// //_canvas.DrawSubImageWithMsdf(glBmp, ref r, adjustX + c_x + left,
// // (float)(baseline + ((int)(glyphData.ImgHeight + glyph.glyphMatrix.bboxYmin) >> 6)), 1.1f);
// coords.Add(r.Left);
// coords.Add(r.Top);
// coords.Add(r.Width);
// coords.Add(r.Height);
// //-------------------------
// coords.Add(adjustX + c_x + left);
// //coords.Add(baseline + ((int)((glyphData.ImgHeight + glyph.glyphMatrix.bboxYmin) * scale) >> 6));
// coords.Add(baseline + ((int)((glyphData.ImgHeight + glyphData.BBoxYMin) * scale) >> 6));
// //int w = (int)(glyph.glyphMatrix.advanceX * scale) >> 6;
// int w = (int)(glyph.horiz_adv_x * scale) >> 6;
// c_x += w;
//}
//_canvas.DrawSubImageWithMsdf(glBmp, coords.ToArray(), scale);
//-----------------------
//public override void DrawString(string text, double x, double y)
//{
// char[] chars = text.ToCharArray();
// int j = chars.Length;
// int buffsize = j * 2;
// //get kerning list
// TextureFont currentFont = this.CurrentFont as TextureFont;
// SimpleFontAtlas fontAtlas = currentFont.FontAtlas;
// ProperGlyph[] properGlyphs = new ProperGlyph[buffsize];
// currentFont.GetGlyphPos(chars, 0, buffsize, properGlyphs);
// GLBitmap glBmp = currentFont.GLBmp;
// if (glBmp == null)
// {
// //create glbmp
// GlyphImage glyphImage = fontAtlas.TotalGlyph;
// int[] buffer = glyphImage.GetImageBuffer();
// glBmp = new GLBitmap(glyphImage.Width, glyphImage.Height, buffer, false);
// }
// //int j = chars.Length;
// //
// float c_x = (float)x;
// float c_y = (float)y;
// //TODO: review here
// //-----------------
// //1. layout each glyph before render ***
// float baseline = c_y - 24;//eg line height= 24
// //create a list
// for (int i = 0; i < buffsize; ++i)
// {
// ProperGlyph glyph1 = properGlyphs[i];
// uint codepoint = properGlyphs[i].codepoint;
// if (codepoint == 0)
// {
// break;
// }
// if (codepoint == 1173 && i > 1)
// {
// //check prev code point
// codepoint = 1168;
// }
// TextureFontGlyphData glyphData;
// if (!fontAtlas.GetRect((int)codepoint, out glyphData))
// {
// //Rectangle r = glyphData.Rect;
// //float x_min = glyphData.BBoxXMin / 64;
// ////draw each glyph at specific position
// ////_canvas.DrawSubImageWithMsdf(glBmp, ref r, c_x + x_min, (float)(baseline + r.Height));
// //_canvas.DrawSubImageWithMsdf(glBmp, ref r, c_x + x_min, (float)(baseline + r.Height));
// ////c_x += r.Width - 10;
// //c_x += (glyphData.AdvanceX / 64);
// continue;
// }
// //-------------------------------------------------------------
// //FontGlyph glyph = this.currentFont.GetGlyphByIndex(codepoint);
// FontGlyph glyph = currentFont.GetGlyphByIndex(codepoint);
// int left = (glyph.glyphMatrix.img_horiBearingX >> 6);
// Rectangle r = glyphData.Rect;
// int adjustX = 0;
// int bboxYMin = glyph.glyphMatrix.bboxYmin >> 6;
// if (bboxYMin > 1 || bboxYMin < -1)
// {
// // adjustX = 3;
// }
// //scale down 0.8;
// _canvas.DrawSubImageWithMsdf(glBmp, ref r, adjustX + c_x + left,
// (float)(baseline + ((int)(glyphData.ImgHeight + glyph.glyphMatrix.bboxYmin) >> 6)), 1.1f);
// int w = (glyph.glyphMatrix.advanceX) >> 6;
// c_x += (w);
// }
//}
// public override void DrawString(string text, double x, double y)
// {
// ////in this version we draw string to image
// ////and the write the image back to gl surface
// //_winGfx.Clear(System.Drawing.Color.White);
// //_winGfx.DrawString(text, _winFont, _winGfxBrush, 0, 0);
// ////_winGfxBackBmp.Save("d:\\WImageTest\\a00123.png");
// //System.Drawing.SizeF textAreaSize = _winGfx.MeasureString(text, _winFont);
// //var bmpData = _winGfxBackBmp.LockBits(new System.Drawing.Rectangle(0, 0, _winGfxBackBmp.Width, _winGfxBackBmp.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, _winGfxBackBmp.PixelFormat);
// //int width = (int)textAreaSize.Width;
// //int height = (int)textAreaSize.Height;
// //ActualImage actualImg = new ActualImage(width, height, Agg.Image.PixelFormat.ARGB32);
// ////------------------------------------------------------
// ////copy bmp from specific bmp area
// ////and convert to GLBmp
// //int stride = bmpData.Stride;
// //byte[] buffer = actualImg.GetBuffer();
// //unsafe
// //{
// // byte* header = (byte*)bmpData.Scan0;
// // fixed (byte* dest0 = &buffer[0])
// // {
// // byte* dest = dest0;
// // byte* rowHead = header;
// // int rowLen = width * 4;
// // for (int h = 0; h < height; ++h)
// // {
// // header = rowHead;
// // for (int n = 0; n < rowLen;)
// // {
// // //move next
// // *(dest + 0) = *(header + 0);
// // *(dest + 1) = *(header + 1);
// // *(dest + 2) = *(header + 2);
// // *(dest + 3) = *(header + 3);
// // header += 4;
// // dest += 4;
// // n += 4;
// // }
// // //finish one row
// // rowHead += stride;
// // }
// // }
// //}
// //_winGfxBackBmp.UnlockBits(bmpData);
// ////------------------------------------------------------
// //GLBitmap glBmp = new GLBitmap(width, height, buffer, false);
// //_canvas.DrawImageWithWhiteTransparent(glBmp, (float)x, (float)y);
// //glBmp.Dispose();
// }
}
