示例#1
0
        public IEnumerable <VertexData> Vertices()
        {
            if (text != null && text.Length > 0)
            {
                Vector2 currentOffset = new Vector2(0, 0);

                currentOffset = GetBaseline(currentOffset);

                string[] lines = text.Split('\n');
                foreach (string line in lines)
                {
                    currentOffset = GetXPositionForLineBasedOnJustification(currentOffset, line);

                    for (int currentChar = 0; currentChar < line.Length; currentChar++)
                    {
                        IVertexSource currentGlyph = TypeFaceStyle.GetGlyphForCharacter(line[currentChar]);

                        if (currentGlyph != null)
                        {
                            foreach (VertexData vertexData in currentGlyph.Vertices())
                            {
                                if (vertexData.command != ShapePath.FlagsAndCommand.CommandStop)
                                {
                                    VertexData offsetVertex = new VertexData(vertexData.command, vertexData.position + currentOffset + Origin);
                                    yield return(offsetVertex);
                                }
                            }
                        }

                        // get the advance for the next character
                        if (currentChar < line.Length - 1)
                        {
                            // pass the next char so the typeFaceStyle can do kerning if it needs to.
                            currentOffset.x += TypeFaceStyle.GetAdvanceForCharacter(line[currentChar], line[currentChar + 1]);
                        }
                        else
                        {
                            currentOffset.x += TypeFaceStyle.GetAdvanceForCharacter(line[currentChar]);
                        }
                    }

                    // before we go onto the next line we need to move down a line
                    currentOffset.x  = 0;
                    currentOffset.y -= TypeFaceStyle.EmSizeInPixels;
                }
            }

            VertexData endVertex = new VertexData(ShapePath.FlagsAndCommand.CommandStop, Vector2.Zero);

            yield return(endVertex);
        }
示例#2
0
        public override IEnumerable <VertexData> Vertices()
        {
            if (text != null && text.Length > 0)
            {
                var currentOffset = new Vector2(0, 0);

                currentOffset = GetBaseline(currentOffset);

                string[] lines = text.Split('\n');
                foreach (string line in lines)
                {
                    currentOffset = GetXPositionForLineBasedOnJustification(currentOffset, line);

                    for (int currentChar = 0; currentChar < line.Length; currentChar++)
                    {
                        IVertexSource currentGlyph = TypeFaceStyle.GetGlyphForCharacter(line[currentChar], ResolutionScale);

                        if (currentGlyph != null)
                        {
                            foreach (VertexData vertexData in currentGlyph.Vertices())
                            {
                                if (vertexData.command != ShapePath.FlagsAndCommand.Stop)
                                {
                                    var offsetVertex = new VertexData(vertexData.command, vertexData.position + currentOffset + Origin);
                                    yield return(offsetVertex);
                                }
                            }
                        }

                        // get the advance for the next character
                        currentOffset.X += TypeFaceStyle.GetAdvanceForCharacter(line, currentChar);
                    }

                    // before we go onto the next line we need to move down a line
                    currentOffset.X  = 0;
                    currentOffset.Y -= TypeFaceStyle.EmSizeInPixels;
                }
            }

            var endVertex = new VertexData(ShapePath.FlagsAndCommand.Stop, Vector2.Zero);

            yield return(endVertex);
        }