/// <summary>
/// Returns a value that indicates whether the specified object is an
/// <see cref="TextLayer"/> object that is equivalent to
/// this <see cref="TextLayer"/> object.
/// </summary>
/// <param name="obj">
/// The object to test.
/// </param>
/// <returns>
/// True if the given object is an <see cref="TextLayer"/> object that is equivalent to
/// this <see cref="TextLayer"/> object; otherwise, false.
/// </returns>
public override bool Equals(object obj)
{
TextLayer textLayer = obj as TextLayer;
if (textLayer == null)
{
return(false);
}
return(this.Text == textLayer.Text &&
this.FontColor == textLayer.FontColor &&
this.FontFamily.Equals(textLayer.FontFamily) &&
this.FontSize == textLayer.FontSize &&
this.Style == textLayer.Style &&
this.DropShadow == textLayer.DropShadow &&
this.Opacity == textLayer.Opacity &&
this.Position == textLayer.Position);
}
/// <summary>
/// Adds a text based watermark to the current image.
/// </summary>
/// <param name="textLayer">
/// The <see cref="T:ImageProcessor.Imaging.TextLayer"/> containing the properties necessary to add
/// the text based watermark to the image.
/// </param>
/// <returns>
/// The current instance of the <see cref="T:ImageProcessor.ImageFactory"/> class.
/// </returns>
public ImageFactory Watermark(TextLayer textLayer)
{
if (this.ShouldProcess)
{
Watermark watermark = new Watermark { DynamicParameter = textLayer };
this.CurrentImageFormat.ApplyProcessor(watermark.ProcessImage, this);
}
return this;
}
/// <summary>
/// The position in the original string where the first character of the captured substring was found.
/// </summary>
/// <param name="queryString">
/// The query string to search.
/// </param>
/// <returns>
/// The zero-based starting position in the original string where the captured substring was found.
/// </returns>
public int MatchRegexIndex(string queryString)
{
this.SortOrder = int.MaxValue;
Match match = this.RegexPattern.Match(queryString);
if (match.Success)
{
this.SortOrder = match.Index;
NameValueCollection queryCollection = HttpUtility.ParseQueryString(queryString);
TextLayer textLayer = new TextLayer
{
Text = this.ParseText(queryCollection),
Position = this.ParsePosition(queryCollection),
FontColor = this.ParseColor(queryCollection),
FontSize = this.ParseFontSize(queryCollection),
FontFamily = this.ParseFontFamily(queryCollection),
Style = this.ParseFontStyle(queryCollection),
DropShadow = this.ParseDropShadow(queryCollection),
Vertical = this.ParseVertical(queryCollection),
RightToLeft = this.ParseRightToLeft(queryCollection)
};
textLayer.Opacity = this.ParseOpacity(queryCollection, textLayer.FontColor);
this.Processor.DynamicParameter = textLayer;
}
return this.SortOrder;
}
/// <summary>
/// Adds a text based watermark to the current image.
/// </summary>
/// <param name="textLayer">
/// The <see cref="T:ImageProcessor.Imaging.TextLayer"/> containing the properties necessary to add
/// the text based watermark to the image.
/// </param>
/// <returns>
/// The current instance of the <see cref="T:ImageProcessor.ImageFactory"/> class.
/// </returns>
public ImageFactory Watermark(TextLayer textLayer)
{
if (this.ShouldProcess)
{
Watermark watermark = new Watermark { DynamicParameter = textLayer };
this.Image = watermark.ProcessImage(this);
}
return this;
}
/// <summary>
/// Returns the correct flags for the given text layer.
/// </summary>
/// <param name="textLayer">
/// The <see cref="TextLayer"/> to return the flags for.
/// </param>
/// <returns>
/// The <see cref="StringFormatFlags"/>.
/// </returns>
private StringFormatFlags? GetFlags(TextLayer textLayer)
{
if (textLayer.Vertical && textLayer.RightToLeft)
{
return StringFormatFlags.DirectionVertical | StringFormatFlags.DirectionRightToLeft;
}
if (textLayer.Vertical)
{
return StringFormatFlags.DirectionVertical;
}
if (textLayer.RightToLeft)
{
return StringFormatFlags.DirectionRightToLeft;
}
return null;
}
/// <summary>
/// The position in the original string where the first character of the captured substring was found.
/// </summary>
/// <param name="queryString">
/// The query string to search.
/// </param>
/// <returns>
/// The zero-based starting position in the original string where the captured substring was found.
/// </returns>
public int MatchRegexIndex(string queryString)
{
int index = 0;
// Set the sort order to max to allow filtering.
this.SortOrder = int.MaxValue;
foreach (Match match in this.RegexPattern.Matches(queryString))
{
if (match.Success)
{
if (index == 0)
{
// Set the index on the first instance only.
this.SortOrder = match.Index;
TextLayer textLayer = new TextLayer();
string toParse = match.Value;
textLayer.Text = this.ParseText(toParse);
textLayer.Position = this.ParsePosition(toParse);
textLayer.TextColor = this.ParseColor(toParse);
textLayer.FontSize = this.ParseFontSize(toParse);
textLayer.Font = this.ParseFontFamily(toParse);
textLayer.Style = this.ParseFontStyle(toParse);
textLayer.Opacity = this.ParseOpacity(toParse);
textLayer.DropShadow = this.ParseDropShadow(toParse);
this.DynamicParameter = textLayer;
}
index += 1;
}
}
return this.SortOrder;
}
