/// <summary>
/// Sets general properties of the style in the csd.
/// </summary>
/// <param name="from"></param>
/// <param name="csd"></param>
private static void SetGeneralProperties(IStyle from, ICssStyleDeclaration csd)
{
if (from.MinVisible > 0)
{
csd.SetProperty("zoom-min-visible", from.MinVisible.ToString(), string.Empty);
}
if (from.MaxVisible < double.MaxValue)
{
csd.SetProperty("zoom-max-visible", from.MaxVisible.ToString(), string.Empty);
}
}
private void SanitizeStyleDeclaration(IElement element, ICssStyleDeclaration styles, string baseUrl)
{
var removeStyles = new List <Tuple <ICssProperty, RemoveReason> >();
var setStyles = new Dictionary <string, string>();
foreach (var style in styles)
{
var key = DecodeCss(style.Name);
var val = DecodeCss(style.Value);
if (!AllowedCssProperties.Contains(key))
{
removeStyles.Add(new Tuple <ICssProperty, RemoveReason>(style, RemoveReason.NotAllowedStyle));
continue;
}
if (CssExpression.IsMatch(val) || DisallowCssPropertyValue.IsMatch(val))
{
removeStyles.Add(new Tuple <ICssProperty, RemoveReason>(style, RemoveReason.NotAllowedValue));
continue;
}
var urls = CssUrl.Matches(val);
if (urls.Count > 0)
{
if (urls.Cast <Match>().Any(m => SanitizeUrl(m.Groups[2].Value, baseUrl) == null))
{
removeStyles.Add(new Tuple <ICssProperty, RemoveReason>(style, RemoveReason.NotAllowedUrlValue));
}
else
{
var s = CssUrl.Replace(val, m => "url(" + m.Groups[1].Value + SanitizeUrl(m.Groups[2].Value, baseUrl) + m.Groups[3].Value);
if (s != val)
{
if (key != style.Name)
{
removeStyles.Add(new Tuple <ICssProperty, RemoveReason>(style, RemoveReason.NotAllowedUrlValue));
}
setStyles[key] = s;
}
}
}
}
foreach (var style in setStyles)
{
styles.SetProperty(style.Key, style.Value);
}
foreach (var style in removeStyles)
{
RemoveStyle(element, styles, style.Item1, style.Item2);
}
}
private static void SetVectorStyleProperties(VectorStyle vectorStyle, ICssStyleDeclaration csd)
{
// Copy VectorStyle properties to the CSS declaration. Serializes:
// border-color Line.Color
// border-width Line.Width
// outline-color Outline.Color
// outline-width Outline.Width
// outline-style EnableOutline
// background-color Fill
// endCap Line.EndCap
VectorStyle vectorDefaults = new VectorStyle();
if (vectorStyle != null)
{
SetColorStyleProperty(csd, "border-color", vectorStyle.Line.Color, vectorDefaults.Line.Color);
if (vectorStyle.Line.Width != vectorDefaults.Line.Width)
{
csd.SetProperty("border-width", vectorStyle.Line.Width.ToString("F0"), string.Empty);
}
SetColorStyleProperty(csd, "outline-color", vectorStyle.Outline.Color, vectorDefaults.Outline.Color);
if (vectorStyle.Outline.Width != vectorDefaults.Outline.Width)
{
csd.SetProperty("outline-width", vectorStyle.Outline.Width.ToString("F0"), string.Empty);
}
if (vectorStyle.EnableOutline)
{
csd.SetProperty("outline-style", "enabled", string.Empty);
}
SetBrushStyleProperty(csd, "background-color", vectorStyle.Fill, vectorDefaults.Fill);
csd.SetProperty(endcapName, vectorStyle.Line.EndCap.ToString(), string.Empty);
if (vectorStyle.GeometryType != null)
{
csd.SetProperty("geometry-type", GeometryType2CssString(vectorStyle), string.Empty);
}
if (vectorStyle.Shape != null)
{
csd.SetProperty("symbol-shape", vectorStyle.Shape.ToString(), string.Empty);
}
if ((vectorStyle.Symbol != null) && (vectorStyle.HasCustomSymbol))
{
// Encode a Bitmap symbol as bytes that can be included in the css as string using Codepage 1251 encoding
byte[] bytes = (byte[])TypeDescriptor.GetConverter(typeof(Bitmap)).ConvertTo(vectorStyle.Symbol, typeof(byte[]));
csd.SetProperty("symbol", Convert.ToBase64String(bytes), string.Empty);
}
}
}
private static void SetLabelStyleProperties(LabelStyle labelStyle, ICssStyleDeclaration csd)
{
// Copy LabelStyle properties to the CSS declaration. Serializes:
// font-family Font.Family
// font-size Font.Size
// font-color ForeColor
// background-color BackColor
// border-color Halo.Color
// border-width Halo.Width
// padding-horizontal Offset.X
// padding-vertical Offset.Y
// text-align HorizontalAlignment
// vertical-align VerticalAlignment
LabelStyle labelDefaults = new LabelStyle();
if (labelStyle.Font.FontFamily != labelDefaults.Font.FontFamily)
{
csd.SetProperty("font-family", labelStyle.Font.FontFamily.Name, string.Empty);
}
if (labelStyle.Font.Size != labelDefaults.Font.Size)
{
csd.SetProperty("font-size", labelStyle.Font.Size.ToString("F0"), string.Empty);
}
SetColorStyleProperty(csd, "font-color", labelStyle.ForeColor, labelDefaults.ForeColor);
SetBrushStyleProperty(csd, "background-color", labelStyle.BackColor, labelDefaults.BackColor);
SetColorStyleProperty(csd, "border-color", labelStyle.Halo.Color, labelDefaults.Halo.Color);
if (labelStyle.Halo.Width != labelDefaults.Halo.Width)
{
csd.SetProperty("border-width", labelStyle.Halo.Width.ToString("F0"), string.Empty);
}
if (labelStyle.Offset.X != labelDefaults.Offset.X)
{
csd.SetProperty("padding-horizontal", labelStyle.Offset.X.ToString("F0"), string.Empty);
}
if (labelStyle.Offset.Y != labelDefaults.Offset.Y)
{
csd.SetProperty("padding-vertical", labelStyle.Offset.Y.ToString("F0"), string.Empty);
}
if (labelStyle.HorizontalAlignment != labelDefaults.HorizontalAlignment)
{
csd.SetProperty("text-align", labelStyle.HorizontalAlignment.ToString(), string.Empty);
}
if (labelStyle.VerticalAlignment != labelDefaults.VerticalAlignment)
{
csd.SetProperty("vertical-align", labelStyle.VerticalAlignment.ToString(), string.Empty);
}
}
/// <summary>
/// Stores the color in a string using the name (for support known colors) and the
/// ARGB to support the alpha channel which is not supported by ColorTranslator.
/// </summary>
/// <param name="color"></param>
/// <param name="csd"></param>
/// <param name="propertyName"></param>
private static void SetColorToCss(Color color, ICssStyleDeclaration csd, string propertyName)
{
string colorString = string.Format("{0} {1}", color.IsKnownColor ? color.Name : "#", color.ToArgb());
csd.SetProperty(propertyName, colorString, string.Empty);
}
/// <summary>
/// Stores the color in a string using the name (for support known colors) and the
/// ARGB to support the alpha channel which is not supported by ColorTranslator.
/// </summary>
/// <param name="color"></param>
/// <param name="csd"></param>
/// <param name="propertyName"></param>
private static void SetColorToCss(Color color, ICssStyleDeclaration csd, string propertyName)
{
string colorString = string.Format("{0} {1}", color.IsKnownColor ? color.Name : "#", color.ToArgb());
csd.SetProperty(propertyName, colorString, string.Empty);
}
/// <summary>
/// Sets general properties of the style in the csd.
/// </summary>
/// <param name="from"></param>
/// <param name="csd"></param>
private static void SetGeneralProperties(IStyle from, ICssStyleDeclaration csd)
{
if (from.MinVisible > 0)
csd.SetProperty("zoom-min-visible", from.MinVisible.ToString(), string.Empty);
if (from.MaxVisible < double.MaxValue)
csd.SetProperty("zoom-max-visible", from.MaxVisible.ToString(), string.Empty);
}
private static void SetVectorStyleProperties(VectorStyle vectorStyle, ICssStyleDeclaration csd)
{
// Copy VectorStyle properties to the CSS declaration. Serializes:
// border-color Line.Color
// border-width Line.Width
// outline-color Outline.Color
// outline-width Outline.Width
// outline-style EnableOutline
// background-color Fill
// endCap Line.EndCap
VectorStyle vectorDefaults = new VectorStyle();
if (vectorStyle != null)
{
SetColorStyleProperty(csd, "border-color", vectorStyle.Line.Color, vectorDefaults.Line.Color);
if (vectorStyle.Line.Width != vectorDefaults.Line.Width)
csd.SetProperty("border-width", vectorStyle.Line.Width.ToString("F0"), string.Empty);
SetColorStyleProperty(csd, "outline-color", vectorStyle.Outline.Color, vectorDefaults.Outline.Color);
if (vectorStyle.Outline.Width != vectorDefaults.Outline.Width)
csd.SetProperty("outline-width", vectorStyle.Outline.Width.ToString("F0"), string.Empty);
if (vectorStyle.EnableOutline)
csd.SetProperty("outline-style", "enabled", string.Empty);
SetBrushStyleProperty(csd, "background-color", vectorStyle.Fill, vectorDefaults.Fill);
csd.SetProperty(endcapName, vectorStyle.Line.EndCap.ToString(), string.Empty);
if (vectorStyle.GeometryType != null)
{
csd.SetProperty("geometry-type", GeometryType2CssString(vectorStyle), string.Empty);
}
if (vectorStyle.Shape != null)
{
csd.SetProperty("symbol-shape", vectorStyle.Shape.ToString(), string.Empty);
}
if ((vectorStyle.Symbol != null) && (vectorStyle.HasCustomSymbol))
{
// Encode a Bitmap symbol as bytes that can be included in the css as string using Codepage 1251 encoding
byte[] bytes = (byte[])TypeDescriptor.GetConverter(typeof(Bitmap)).ConvertTo(vectorStyle.Symbol, typeof(byte[]));
csd.SetProperty("symbol", Convert.ToBase64String(bytes), string.Empty);
}
}
}
private static void SetLabelStyleProperties(LabelStyle labelStyle, ICssStyleDeclaration csd)
{
// Copy LabelStyle properties to the CSS declaration. Serializes:
// font-family Font.Family
// font-size Font.Size
// font-color ForeColor
// background-color BackColor
// border-color Halo.Color
// border-width Halo.Width
// padding-horizontal Offset.X
// padding-vertical Offset.Y
// text-align HorizontalAlignment
// vertical-align VerticalAlignment
LabelStyle labelDefaults = new LabelStyle();
if (labelStyle.Font.FontFamily != labelDefaults.Font.FontFamily)
csd.SetProperty("font-family", labelStyle.Font.FontFamily.Name, string.Empty);
if (labelStyle.Font.Size != labelDefaults.Font.Size)
csd.SetProperty("font-size", labelStyle.Font.Size.ToString("F0"), string.Empty);
SetColorStyleProperty(csd, "font-color", labelStyle.ForeColor, labelDefaults.ForeColor);
SetBrushStyleProperty(csd, "background-color", labelStyle.BackColor, labelDefaults.BackColor);
SetColorStyleProperty(csd, "border-color", labelStyle.Halo.Color, labelDefaults.Halo.Color);
if (labelStyle.Halo.Width != labelDefaults.Halo.Width)
csd.SetProperty("border-width", labelStyle.Halo.Width.ToString("F0"), string.Empty);
if (labelStyle.Offset.X != labelDefaults.Offset.X)
csd.SetProperty("padding-horizontal", labelStyle.Offset.X.ToString("F0"), string.Empty);
if (labelStyle.Offset.Y != labelDefaults.Offset.Y)
csd.SetProperty("padding-vertical", labelStyle.Offset.Y.ToString("F0"), string.Empty);
if (labelStyle.HorizontalAlignment != labelDefaults.HorizontalAlignment)
csd.SetProperty("text-align", labelStyle.HorizontalAlignment.ToString(), string.Empty);
if (labelStyle.VerticalAlignment != labelDefaults.VerticalAlignment)
csd.SetProperty("vertical-align", labelStyle.VerticalAlignment.ToString(), string.Empty);
}