Ejemplo n.º 1
0
        public Size Measure(string text, FontDrawingOptions options = new FontDrawingOptions())
        {
            if (options.Equals(default(FontDrawingOptions)))
            {
                options = FontDrawingOptions.Default;
            }
            if (options.Scale <= 0.0f)
            {
                return(Size.Empty);
            }

            var scale         = options.Scale;
            var scaledSpacing = (int)(options.LetterSpacing * scale);

            var pageIndex      = 0;
            var page           = Font.Pages[0];
            int x              = 0;
            var scaledFontSize = (int)(Font.Font.Size * scale);

            foreach (var symbol in text)
            {
                if (_pages.Count > 1)
                {
                    if (symbol < page.Start || symbol > page.End)
                    {
                        pageIndex = Font.GetPageIndex(symbol);
                        if (pageIndex < 0)
                        {
                            pageIndex = 0;
                        }
                        page = Font.Pages[pageIndex];
                    }
                }
                var srcRect = page.GetGlyph(symbol);
                if (char.IsWhiteSpace(symbol))
                {
                    x += srcRect.IsEmpty ? scaledFontSize : (int)(srcRect.Width * scale);
                    x += scaledSpacing;
                    continue;
                }
                if (srcRect.IsEmpty)
                {
                    // symbol not found, replace with a rectangle
                    x += scaledFontSize + 1 + scaledSpacing;
                    continue;
                }
                x += (int)(srcRect.Width * scale) + scaledSpacing;
            }
            return(new Size(x, scaledFontSize));
        }
Ejemplo n.º 2
0
 public void Draw(string text, PointF position, FontDrawingOptions options = default(FontDrawingOptions))
 {
     Draw(text, position, _graphics.GetDrawingColor(), options);
 }
Ejemplo n.º 3
0
        public void Draw(string text, PointF position, Color color,
                         FontDrawingOptions options = new FontDrawingOptions())
        {
            if (options.Equals(default(FontDrawingOptions)))
            {
                options = FontDrawingOptions.Default;
            }

            if (options.Scale <= 0.0f)
            {
                return;
            }

            foreach (var tex in _pages)
            {
                tex.ColorMod = color;
            }

            var scale         = options.Scale;
            var scaledSpacing = (int)(options.LetterSpacing * scale);

            var pageIndex      = 0;
            var page           = Font.Pages[0];
            var x              = (int)position.X;
            var y              = (int)position.Y;
            var scaledFontSize = (int)(Font.Font.Size * scale);

            foreach (var symbol in text)
            {
                if (_pages.Count > 1)
                {
                    if (symbol < page.Start || symbol > page.End)
                    {
                        pageIndex = Font.GetPageIndex(symbol);
                        if (pageIndex < 0)
                        {
                            pageIndex = 0;
                        }
                        page = Font.Pages[pageIndex];
                    }
                }
                var srcRect = page.GetGlyph(symbol);
                if (char.IsWhiteSpace(symbol))
                {
                    x += srcRect.IsEmpty ? scaledFontSize : (int)(srcRect.Width * scale);
                    x += scaledSpacing;
                    continue;
                }
                if (srcRect.IsEmpty)
                {
                    // symbol not found, replace with a rectangle
                    _graphics.DrawRect(new Rectangle(x, y, scaledFontSize, scaledFontSize));
                    x += scaledFontSize + 1 + scaledSpacing;
                    continue;
                }

                var scaledWidth  = scale == 1.0f ? srcRect.Width : (int)(srcRect.Width * scale);
                var scaledHeight = scale == 1.0f ? srcRect.Height: (int)(srcRect.Height * scale);
                var dstRect      = new Rectangle(x, y, scaledWidth, scaledHeight);
                _graphics.Draw(_pages[pageIndex], srcRect, dstRect);
                x += scaledWidth + scaledSpacing;
            }
        }