Beispiel #1
0
        private GradientStopCollection GetGradientStops(XmlNodeList stops)
        {
            int itemCount = stops.Count;
            GradientStopCollection gradientStops = new GradientStopCollection(itemCount);

            double lastOffset = 0;

            for (int i = 0; i < itemCount; i++)
            {
                SvgStopElement stop     = (SvgStopElement)stops.Item(i);
                string         prop     = stop.GetPropertyValue("stop-color");
                WpfSvgColor    svgColor = new WpfSvgColor(stop, "stop-color");

                double offset = stop.Offset.AnimVal;

                offset /= 100;
                offset  = Math.Max(lastOffset, offset);

                gradientStops.Add(new GradientStop(svgColor.Color, offset));
                lastOffset = offset;
            }

            if (itemCount == 0)
            {
                gradientStops.Add(new GradientStop(Colors.Black, 0));
                gradientStops.Add(new GradientStop(Colors.Black, 1));
            }

            return(gradientStops);
        }
        private GradientStopCollection GetGradientStops(XmlNodeList stops)
        {
            int itemCount = stops.Count;
            GradientStopCollection gradientStops = new GradientStopCollection(itemCount);

            double lastOffset = 0;

            for (int i = 0; i < itemCount; i++)
            {
                SvgStopElement stop  = (SvgStopElement)stops.Item(i);
                string         prop  = stop.GetAttribute("stop-color");
                string         style = stop.GetAttribute("style");
                Color          color = Colors.Transparent; // no auto-inherited...
                if (!String.IsNullOrEmpty(prop) || !String.IsNullOrEmpty(style))
                {
                    WpfSvgColor svgColor = new WpfSvgColor(stop, "stop-color");
                    color = svgColor.Color;
                }
                else
                {
                    color = Colors.Black; // the default color...
                    double alpha = 255;
                    string opacity;

                    opacity = stop.GetAttribute("stop-opacity"); // no auto-inherit
                    if (opacity == "inherit")                    // if explicitly defined...
                    {
                        opacity = stop.GetPropertyValue("stop-opacity");
                    }
                    if (opacity != null && opacity.Length > 0)
                    {
                        alpha *= SvgNumber.ParseNumber(opacity);
                    }

                    alpha = Math.Min(alpha, 255);
                    alpha = Math.Max(alpha, 0);

                    color = Color.FromArgb((byte)Convert.ToInt32(alpha),
                                           color.R, color.G, color.B);
                }

                double offset = stop.Offset.AnimVal;

                offset /= 100;
                offset  = Math.Max(lastOffset, offset);

                gradientStops.Add(new GradientStop(color, offset));
                lastOffset = offset;
            }

            if (itemCount == 0)
            {
                gradientStops.Add(new GradientStop(Colors.Black, 0));
                gradientStops.Add(new GradientStop(Colors.Black, 1));
            }

            return(gradientStops);
        }
Beispiel #3
0
        public static Brush CreateViewportBrush(SvgStyleableElement svgElm)
        {
            string prop    = svgElm.GetAttribute("viewport-fill");
            string opacity = svgElm.GetAttribute("viewport-fill-opacity");          // no auto-inherit

            if (string.Equals(prop, "inherit", StringComparison.OrdinalIgnoreCase)) // if explicitly defined...
            {
                prop = svgElm.GetPropertyValue("viewport-fill");
            }
            if (string.Equals(opacity, "inherit", StringComparison.OrdinalIgnoreCase)) // if explicitly defined...
            {
                opacity = svgElm.GetPropertyValue("viewport-fill-opacity");
            }
            if (!string.IsNullOrWhiteSpace(prop))
            {
                if (string.Equals(prop, "currentColor", StringComparison.OrdinalIgnoreCase))
                {
                    var svgParent = svgElm.ParentNode as SvgStyleableElement;
                    if (svgParent != null)
                    {
                        prop = svgParent.GetPropertyValue(CssConstants.PropColor, "viewport-fill");
                    }
                }

                Color       color    = Colors.Transparent; // no auto-inherited...
                WpfSvgColor svgColor = new WpfSvgColor(svgElm, "viewport-fill");
                color = svgColor.Color;

                if (color.A == 255)
                {
                    double alpha = 255;

                    if (!string.IsNullOrWhiteSpace(opacity))
                    {
                        alpha *= SvgNumber.ParseNumber(opacity);
                    }

                    alpha = Math.Min(alpha, 255);
                    alpha = Math.Max(alpha, 0);

                    color = Color.FromArgb((byte)Convert.ToInt32(alpha), color.R, color.G, color.B);
                }

                var    brush        = new SolidColorBrush(color);
                double opacityValue = 1;
                if (!string.IsNullOrWhiteSpace(opacity) && double.TryParse(opacity, out opacityValue))
                {
                    brush.Opacity = opacityValue;
                }

                return(brush);
            }
            else
            {
                Color  color = Colors.Black; // the default color...
                double alpha = 255;

                if (!string.IsNullOrWhiteSpace(opacity))
                {
                    alpha *= SvgNumber.ParseNumber(opacity);
                }

                alpha = Math.Min(alpha, 255);
                alpha = Math.Max(alpha, 0);

                color = Color.FromArgb((byte)Convert.ToInt32(alpha), color.R, color.G, color.B);

                return(new SolidColorBrush(color));
            }
        }
        private GradientStopCollection GetGradientStops(XmlNodeList stops)
        {
            int itemCount = stops.Count;
            GradientStopCollection gradientStops = new GradientStopCollection(itemCount);

            double lastOffset = 0;
            for (int i = 0; i < itemCount; i++)
            {
                SvgStopElement stop = (SvgStopElement)stops.Item(i);
                string prop = stop.GetAttribute("stop-color");
                string style = stop.GetAttribute("style");
                Color color = Colors.Transparent; // no auto-inherited...
                if (!String.IsNullOrEmpty(prop) || !String.IsNullOrEmpty(style))
                {
                    WpfSvgColor svgColor = new WpfSvgColor(stop, "stop-color");
                    color = svgColor.Color;
                }
                else
                {
                    color = Colors.Black; // the default color...
                    double alpha = 255;
                    string opacity;

                    opacity = stop.GetAttribute("stop-opacity"); // no auto-inherit
                    if (opacity == "inherit") // if explicitly defined...
                    {
                        opacity = stop.GetPropertyValue("stop-opacity");
                    }
                    if (opacity != null && opacity.Length > 0)
                        alpha *= SvgNumber.ParseNumber(opacity);

                    alpha = Math.Min(alpha, 255);
                    alpha = Math.Max(alpha, 0);

                    color = Color.FromArgb((byte)Convert.ToInt32(alpha),
                        color.R, color.G, color.B);
                }

                double offset = stop.Offset.AnimVal;

                offset /= 100;
                offset = Math.Max(lastOffset, offset);

                gradientStops.Add(new GradientStop(color, offset));
                lastOffset = offset;
            }

            if (itemCount == 0)
            {
                gradientStops.Add(new GradientStop(Colors.Black, 0));
                gradientStops.Add(new GradientStop(Colors.Black, 1));
            }

            return gradientStops;
        }
Beispiel #5
0
        public override Brush GetBrush(Rect elementBounds, WpfDrawingContext context, Transform viewTransform)
        {
            string prop    = _solidColorElement.GetAttribute("solid-color");
            string opacity = _solidColorElement.GetAttribute("solid-opacity");      // no auto-inherit

            if (string.Equals(prop, "inherit", StringComparison.OrdinalIgnoreCase)) // if explicitly defined...
            {
                prop = _solidColorElement.GetPropertyValue("solid-color");
            }
            if (string.Equals(opacity, "inherit", StringComparison.OrdinalIgnoreCase)) // if explicitly defined...
            {
                opacity = _solidColorElement.GetPropertyValue("solid-opacity");
            }
            if (!string.IsNullOrWhiteSpace(prop))
            {
                if (string.Equals(prop, "currentColor", StringComparison.OrdinalIgnoreCase))
                {
                    var svgParent = _solidColorElement.ParentNode as SvgStyleableElement;
                    if (svgParent != null)
                    {
                        prop = svgParent.GetPropertyValue("color", "solid-color");
                    }
                }

                Color       color    = Colors.Transparent; // no auto-inherited...
                WpfSvgColor svgColor = new WpfSvgColor(_solidColorElement, "solid-color");
                color = svgColor.Color;

                if (color.A == 255)
                {
                    double alpha = 255;

                    if (!string.IsNullOrWhiteSpace(opacity))
                    {
                        alpha *= SvgNumber.ParseNumber(opacity);
                    }

                    alpha = Math.Min(alpha, 255);
                    alpha = Math.Max(alpha, 0);

                    color = Color.FromArgb((byte)Convert.ToInt32(alpha), color.R, color.G, color.B);
                }

                var    brush        = new SolidColorBrush(color);
                double opacityValue = 1;
                if (!string.IsNullOrWhiteSpace(opacity) && double.TryParse(opacity, out opacityValue))
                {
                    brush.Opacity = opacityValue;
                }

                return(brush);
            }
            else
            {
                Color  color = Colors.Black; // the default color...
                double alpha = 255;

                if (!string.IsNullOrWhiteSpace(opacity))
                {
                    alpha *= SvgNumber.ParseNumber(opacity);
                }

                alpha = Math.Min(alpha, 255);
                alpha = Math.Max(alpha, 0);

                color = Color.FromArgb((byte)Convert.ToInt32(alpha), color.R, color.G, color.B);

                return(new SolidColorBrush(color));
            }
        }