Exemple #1
0
            public void HandleNotFoundGlyph(ushort glyphIndex)
            {
#if DEBUG
                System.Diagnostics.Debug.WriteLine("bitmap texture,create fallback glyph:" + glyphIndex);
#endif

                //NESTED
                //draw a glyph into tmpMemBmp and then copy to a GlyphImage
                //build glyph
                _outlineBuilder.BuildFromGlyphIndex(glyphIndex, _sizeInPoints);
                BitmapAtlasItemSource glyphImg = _aggTextureGen.CreateAtlasItem(_outlineBuilder, 1);
                glyphImg.UniqueInt16Name = glyphIndex;
                _onEachGlyphDel?.Invoke(glyphImg);
                _atlasBuilder.AddItemSource(glyphImg);
            }
Exemple #2
0
        void CreateTextureFontFromGlyphIndices(
            Typeface typeface,
            float sizeInPoint,
            HintTechnique hintTechnique,
            SimpleBitmapAtlasBuilder atlasBuilder,
            ushort[] glyphIndices)
        {
            //sample: create sample msdf texture
            //-------------------------------------------------------------
            var outlineBuilder = new GlyphOutlineBuilder(typeface);

            outlineBuilder.SetHintTechnique(hintTechnique);
            //
            if (atlasBuilder.TextureKind == TextureKind.Msdf)
            {
                float pxscale       = typeface.CalculateScaleToPixelFromPointSize(sizeInPoint);
                var   msdfGenParams = new Msdfgen.MsdfGenParams();
                int   j             = glyphIndices.Length;

                if (MsdfGenVersion == 3)
                {
                    Msdfgen.MsdfGen3 gen3 = new Msdfgen.MsdfGen3();

                    for (int i = 0; i < j; ++i)
                    {
                        ushort gindex = glyphIndices[i];
                        //create picture with unscaled version set scale=-1
                        //(we will create glyph contours and analyze them)

                        outlineBuilder.BuildFromGlyphIndex(gindex, -1);

                        var glyphToVxs = new GlyphTranslatorToVxs();
                        outlineBuilder.ReadShapes(glyphToVxs);
                        using (Tools.BorrowVxs(out var vxs))
                        {
                            glyphToVxs.WriteUnFlattenOutput(vxs, pxscale);
                            BitmapAtlasItemSource glyphImg = gen3.GenerateMsdfTexture(vxs);
                            glyphImg.UniqueInt16Name = gindex;
                            _onEachGlyphDel?.Invoke(glyphImg);
                            //

                            atlasBuilder.AddItemSource(glyphImg);
                        }
                    }
                }
                else
                {
                    Msdfgen.MsdfGen3 gen3 = new Msdfgen.MsdfGen3();
                    for (int i = 0; i < j; ++i)
                    {
                        ushort gindex = glyphIndices[i];
                        //create picture with unscaled version set scale=-1
                        //(we will create glyph contours and analyze them)
                        outlineBuilder.BuildFromGlyphIndex(gindex, -1);

                        var glyphToVxs = new GlyphTranslatorToVxs();
                        outlineBuilder.ReadShapes(glyphToVxs);

                        using (Tools.BorrowVxs(out var vxs))
                        {
                            glyphToVxs.WriteUnFlattenOutput(vxs, pxscale);
                            BitmapAtlasItemSource glyphImg = gen3.GenerateMsdfTexture(vxs);
                            glyphImg.UniqueInt16Name = gindex;
                            _onEachGlyphDel?.Invoke(glyphImg);

                            atlasBuilder.AddItemSource(glyphImg);
                        }
                    }
                }
            }
            else
            {
                AggGlyphTextureGen aggTextureGen = new AggGlyphTextureGen();
                aggTextureGen.TextureKind = atlasBuilder.TextureKind;
                //create reusable agg painter***

                //assume each glyph size= 2 * line height
                //TODO: review here again...
                int tmpMemBmpHeight = (int)(2 * typeface.CalculateRecommendLineSpacing() * typeface.CalculateScaleToPixelFromPointSize(sizeInPoint));
                //create glyph img
                using (PixelFarm.CpuBlit.MemBitmap tmpMemBmp = new PixelFarm.CpuBlit.MemBitmap(tmpMemBmpHeight, tmpMemBmpHeight)) //square
                {
                    //draw a glyph into tmpMemBmp and then copy to a GlyphImage
                    aggTextureGen.Painter = PixelFarm.CpuBlit.AggPainter.Create(tmpMemBmp);
#if DEBUG
                    tmpMemBmp._dbugNote = "CreateGlyphImage()";
#endif

                    int j = glyphIndices.Length;
                    for (int i = 0; i < j; ++i)
                    {
                        //build glyph
                        ushort gindex = glyphIndices[i];
                        outlineBuilder.BuildFromGlyphIndex(gindex, sizeInPoint);

                        BitmapAtlasItemSource glyphImg = aggTextureGen.CreateAtlasItem(outlineBuilder, 1);

                        glyphImg.UniqueInt16Name = gindex;
                        _onEachGlyphDel?.Invoke(glyphImg);
                        atlasBuilder.AddItemSource(glyphImg);
                    }
                }
            }
        }
Exemple #3
0
        void CreateTextureFontFromGlyphIndices(
            HintTechnique hintTechnique,
            SimpleBitmapAtlasBuilder atlasBuilder,
            ushort[] glyphIndices)
        {
            //sample: create sample msdf texture
            //-------------------------------------------------------------
            var outlineBuilder = new GlyphOutlineBuilder(_typeface);

            outlineBuilder.SetHintTechnique(hintTechnique);
            //
            AggGlyphTextureGen aggTextureGen = new AggGlyphTextureGen();

            GlyphNotFoundHelper glyphNotFoundHelper = new GlyphNotFoundHelper(atlasBuilder,
                                                                              outlineBuilder,
                                                                              _onEachGlyphDel,
                                                                              aggTextureGen,
                                                                              _sizeInPoints);


            //create reusable agg painter***
            //assume each glyph size= 2 * line height
            //TODO: review here again...

            //please note that DPI effect glyph size //***

            int tmpMemBmpHeight = (int)(2 * _typeface.CalculateRecommendLineSpacing() * _px_scale);

            //
            if (atlasBuilder.TextureKind == TextureKind.Msdf)
            {
                var msdfGenParams = new Msdfgen.MsdfGenParams();
                int j             = glyphIndices.Length;

                if (MsdfGenVersion == 3)
                {
                    Msdfgen.MsdfGen3 gen3 = new Msdfgen.MsdfGen3();

                    for (int i = 0; i < j; ++i)
                    {
                        ushort gindex = glyphIndices[i];
                        //create picture with unscaled version set scale=-1
                        //(we will create glyph contours and analyze them)

                        var glyphToVxs = new GlyphTranslatorToVxs();
                        outlineBuilder.BuildFromGlyphIndex(gindex, -1, glyphToVxs);

                        using (Tools.BorrowVxs(out var vxs))
                        {
                            glyphToVxs.WriteUnFlattenOutput(vxs, _px_scale);
                            BitmapAtlasItemSource glyphImg = gen3.GenerateMsdfTexture(vxs);
                            glyphImg.UniqueInt16Name = gindex;
                            _onEachGlyphDel?.Invoke(glyphImg);
                            //

                            atlasBuilder.AddItemSource(glyphImg);
                        }
                    }
                }
                else
                {
                    //use gen3
                    Msdfgen.MsdfGen3 gen3 = new Msdfgen.MsdfGen3();
                    for (int i = 0; i < j; ++i)
                    {
                        ushort gindex = glyphIndices[i];
                        //create picture with unscaled version set scale=-1
                        //(we will create glyph contours and analyze them)

                        var glyphToVxs = new GlyphTranslatorToVxs();
                        outlineBuilder.BuildFromGlyphIndex(gindex, -1, glyphToVxs);

                        using (Tools.BorrowVxs(out var vxs))
                        {
                            glyphToVxs.WriteUnFlattenOutput(vxs, _px_scale);
                            BitmapAtlasItemSource glyphImg = gen3.GenerateMsdfTexture(vxs);
                            glyphImg.UniqueInt16Name = gindex;
                            _onEachGlyphDel?.Invoke(glyphImg);

                            atlasBuilder.AddItemSource(glyphImg);
                        }
                    }
                }
                return;
            }
            else if (atlasBuilder.TextureKind == TextureKind.Bitmap)
            {
                //generate color bitmap atlas
                int j = glyphIndices.Length;

                GlyphMeshStore glyphMeshStore = new GlyphMeshStore();
                glyphMeshStore.SetFont(_typeface, _sizeInPoints);
                aggTextureGen.TextureKind = TextureKind.Bitmap;

                using (PixelFarm.CpuBlit.MemBitmap tmpMemBmp = new PixelFarm.CpuBlit.MemBitmap(tmpMemBmpHeight, tmpMemBmpHeight)) //square
                {
                    aggTextureGen.Painter = PixelFarm.CpuBlit.AggPainter.Create(tmpMemBmp);
#if DEBUG
                    tmpMemBmp._dbugNote = "CreateGlyphImage()";
#endif


                    if (_typeface.HasColorTable())
                    {
                        //outline glyph

                        for (int i = 0; i < j; ++i)
                        {
                            ushort gindex = glyphIndices[i];
                            if (!_typeface.COLRTable.LayerIndices.TryGetValue(gindex, out ushort colorLayerStart))
                            {
                                //not found, then render as normal
                                //TODO: impl

                                //create glyph img
                                glyphNotFoundHelper.HandleNotFoundGlyph(gindex);
                            }
                            else
                            {
                                //TODO: review this again
                                GlyphBitmap glyphBmp = GetGlyphBitmapFromColorOutlineGlyph(gindex, glyphMeshStore, colorLayerStart);
                                if (glyphBmp == null)
                                {
                                    glyphNotFoundHelper.HandleNotFoundGlyph(gindex);
                                }
                                else
                                {
                                    int w = glyphBmp.Width;
                                    int h = glyphBmp.Height;

                                    BitmapAtlasItemSource glyphImage = new BitmapAtlasItemSource(glyphBmp.Width, glyphBmp.Height);

                                    glyphImage.TextureXOffset = (short)glyphBmp.ImageStartX;
                                    glyphImage.TextureYOffset = (short)glyphBmp.ImageStartY;

                                    //
                                    glyphImage.SetImageBuffer(MemBitmapExt.CopyImgBuffer(glyphBmp.Bitmap, w, h, true), false);

                                    glyphImage.UniqueInt16Name = gindex;
                                    _onEachGlyphDel?.Invoke(glyphImage);
                                    atlasBuilder.AddItemSource(glyphImage);

                                    //clear
                                    glyphBmp.Bitmap.Dispose();
                                    glyphBmp.Bitmap = null;
                                }
                            }
                        }
                    }
                    else if (_typeface.IsBitmapFont)
                    {
                        aggTextureGen.TextureKind = TextureKind.Bitmap;
                        //test this with Noto Color Emoji
                        for (int i = 0; i < j; ++i)
                        {
                            ushort gindex = glyphIndices[i];

                            GlyphBitmap glyphBmp = GetGlyphBitmapFromBitmapFont(gindex);
                            if (glyphBmp == null)
                            {
                                glyphNotFoundHelper.HandleNotFoundGlyph(gindex);
                            }
                            else
                            {
                                int w = glyphBmp.Width;
                                int h = glyphBmp.Height;

                                BitmapAtlasItemSource glyphImage = new BitmapAtlasItemSource(glyphBmp.Width, glyphBmp.Height);

                                glyphImage.TextureXOffset = (short)glyphBmp.ImageStartX;
                                glyphImage.TextureYOffset = (short)glyphBmp.ImageStartY;

                                //
                                glyphImage.SetImageBuffer(MemBitmapExt.CopyImgBuffer(glyphBmp.Bitmap, w, h, true), false);

                                glyphImage.UniqueInt16Name = gindex;
                                _onEachGlyphDel?.Invoke(glyphImage);
                                atlasBuilder.AddItemSource(glyphImage);

                                //clear
                                glyphBmp.Bitmap.Dispose();
                                glyphBmp.Bitmap = null;
                            }
                        }
                    }
                    else if (_typeface.HasSvgTable())
                    {
                        aggTextureGen.TextureKind = TextureKind.Bitmap;
                        //test this with TwitterEmoji
                        //generate membitmap from svg
#if DEBUG
                        System.Diagnostics.Stopwatch sw1 = new System.Diagnostics.Stopwatch();
                        sw1.Start();
#endif

                        for (int i = 0; i < j; ++i)
                        {
                            //TODO: add mutli-threads / async version

                            ushort      gindex   = glyphIndices[i];
                            GlyphBitmap glyphBmp = GetGlyphBitmapFromSvg(gindex);
                            if (glyphBmp == null)
                            {
                                glyphNotFoundHelper.HandleNotFoundGlyph(gindex);
                            }
                            else
                            {
                                int w = glyphBmp.Width;
                                int h = glyphBmp.Height;

                                BitmapAtlasItemSource glyphImage = new BitmapAtlasItemSource(glyphBmp.Width, glyphBmp.Height);

                                glyphImage.TextureXOffset = (short)glyphBmp.ImageStartX;
                                glyphImage.TextureYOffset = (short)glyphBmp.ImageStartY;

                                //
                                glyphImage.SetImageBuffer(MemBitmapExt.CopyImgBuffer(glyphBmp.Bitmap, w, h, true), false);

                                glyphImage.UniqueInt16Name = gindex;
                                _onEachGlyphDel?.Invoke(glyphImage);
                                atlasBuilder.AddItemSource(glyphImage);

                                //clear
                                glyphBmp.Bitmap.Dispose();
                                glyphBmp.Bitmap = null;
                            }
                        }

#if DEBUG
                        sw1.Stop();
                        long ms = sw1.ElapsedMilliseconds;
#endif
                    }
                    return; //NO go below //***
                } //END using
            }


            //---------------------------
            //OTHERS....
            {
                aggTextureGen.TextureKind = atlasBuilder.TextureKind;
                //create glyph img
                using (PixelFarm.CpuBlit.MemBitmap tmpMemBmp = new PixelFarm.CpuBlit.MemBitmap(tmpMemBmpHeight, tmpMemBmpHeight)) //square
                {
                    //draw a glyph into tmpMemBmp and then copy to a GlyphImage
                    aggTextureGen.Painter = PixelFarm.CpuBlit.AggPainter.Create(tmpMemBmp);
#if DEBUG
                    tmpMemBmp._dbugNote = "CreateGlyphImage()";
#endif

                    int j = glyphIndices.Length;
                    for (int i = 0; i < j; ++i)
                    {
                        //build glyph
                        ushort gindex = glyphIndices[i];
                        outlineBuilder.BuildFromGlyphIndex(gindex, _sizeInPoints);

                        BitmapAtlasItemSource glyphImg = aggTextureGen.CreateAtlasItem(outlineBuilder, 1);

                        glyphImg.UniqueInt16Name = gindex;
                        _onEachGlyphDel?.Invoke(glyphImg);
                        atlasBuilder.AddItemSource(glyphImg);
                    }
                }
            }
        }