// Methods
internal static bool ParseTextSizeParam(NameValueCollection parameters, out TextContainerSizeType textSizeType)
{
if ((null != parameters) && !string.IsNullOrEmpty(parameters[TextDependentImageCreator.TEXTCONTSIZETYPE_KEY]))
{
textSizeType = (TextContainerSizeType)Enum.Parse(typeof(TextContainerSizeType), parameters[TextDependentImageCreator.TEXTCONTSIZETYPE_KEY]);
return true;
}
else
{
textSizeType = TextContainerSizeType.Specified;
return false;
}
}
// Methods
internal static string ToQueryString(
int width,
int height,
int clientCacheDuration,
int serverCacheDuration,
RotateFlipType rotateFlip,
bool drawGrayscale,
bool drawSepia,
DynamicText text,
DynamicImageFormat imageFormat,
KeyValuePair<Type, IDictionary<string, string>>? imageCreator,
Dictionary<Type, IDictionary<string, string>> imageTransformations,
TextContainerSizeType sizeType,
CaptchaStyle distortionStyle,
ReadnessLevel readnessLevel,
Color backColor)
{
string dynamicImageQueryString = DynamicImageProvider.ToQueryString(
null,
width,
height,
clientCacheDuration,
serverCacheDuration,
rotateFlip,
drawGrayscale,
drawSepia,
text,
imageFormat,
imageCreator,
imageTransformations);
List<string> parameters = new List<string>();
string parameterFormat = "{0}={1}";
// size type
if (TextContainerSizeType.Specified != sizeType)
{
parameters.Add(string.Format(parameterFormat, TextDependentImageCreator.TEXTCONTSIZETYPE_KEY, sizeType));
}
// distortion style
if (CaptchaStyle.Confetti != distortionStyle)
{
parameters.Add(string.Format(parameterFormat, CaptchaImageTransformation.DISTSTYLE_KEY, distortionStyle));
}
// readness level
if (ReadnessLevel.Normal != readnessLevel)
{
parameters.Add(string.Format(parameterFormat, CaptchaImageTransformation.READLEVEL_KEY, readnessLevel));
}
// back color
if (Color.White != backColor)
{
parameters.Add(string.Format(parameterFormat, CaptchaImageTransformation.CAPTCHABACKCOLOR_KEY, backColor.ToArgb()));
}
return (0 < parameters.Count) ? string.Concat(dynamicImageQueryString, "&", string.Join("&", parameters.ToArray())) : dynamicImageQueryString;
}
// Methods
/// <summary>
/// Utility method that returns a query string representation based on the provided parameter values.
/// </summary>
/// <param name="source">The image source.</param>
/// <param name="width">The image width.</param>
/// <param name="height">The image height.</param>
/// <param name="clientCacheDuration">The image client cache duration.</param>
/// <param name="serverCacheDuration">The image server cache duration.</param>
/// <param name="rotateFlip">The image rotate flip type.</param>
/// <param name="drawGrayscale">The image draw grayscale type.</param>
/// <param name="drawSepia">The image draw sepia type.</param>
/// <param name="text">The image dynamic text.</param>
/// <param name="gradientBackground">The button gradient background.</param>
/// <param name="sizeType">The button size type.</param>
/// <param name="textRenderTime">The time when the text is rendered.</param>
internal static string ToQueryString(
int width,
int height,
int clientCacheDuration,
int serverCacheDuration,
RotateFlipType rotateFlip,
bool drawGrayscale,
bool drawSepia,
DynamicText text,
DynamicImageFormat imageFormat,
KeyValuePair<Type, IDictionary<string, string>>? imageCreator,
Dictionary<Type, IDictionary<string, string>> imageTransformations,
GradientBackground gradientBackground,
TextContainerSizeType sizeType)
{
string dynamicImageQueryString = DynamicImageProvider.ToQueryString(
null,
width,
height,
clientCacheDuration,
serverCacheDuration,
rotateFlip,
drawGrayscale,
drawSepia,
text,
imageFormat,
imageCreator,
imageTransformations);
List<string> parameters = new List<string>();
string parameterFormat = "{0}={1}";
if (null != gradientBackground)
{
// gradient border color
if (Color.Gray != gradientBackground.BorderColor)
{
parameters.Add(string.Format(parameterFormat, GradientButtonImageTransformation.GRADIENTBKGCOLOR_KEY, gradientBackground.BorderColor.ToArgb()));
}
// gradient start color
if (Color.Brown != gradientBackground.GradientStartColor)
{
parameters.Add(string.Format(parameterFormat, GradientButtonImageTransformation.GRADIENTBKGSTARTCOLOR_KEY, gradientBackground.GradientStartColor.ToArgb()));
}
// gradient end color
if (Color.White != gradientBackground.GradientEndColor)
{
parameters.Add(string.Format(parameterFormat, GradientButtonImageTransformation.GRADIENTBKGENDCOLOR_KEY, gradientBackground.GradientEndColor.ToArgb()));
}
// gradient round corner radius
if (0 <= gradientBackground.RoundCornerRadius)
{
parameters.Add(string.Format(parameterFormat, GradientButtonImageTransformation.GRADIENTBKGRCORNER_KEY, gradientBackground.RoundCornerRadius));
}
// gradient border width
if (0 <= gradientBackground.BorderWidth)
{
parameters.Add(string.Format(parameterFormat, GradientButtonImageTransformation.GRADIENTBKGBWIDTH_KEY, gradientBackground.BorderWidth));
}
// gradient type
if (GradientType.BackwardDiagonal != gradientBackground.Type)
{
parameters.Add(string.Format(parameterFormat, GradientButtonImageTransformation.GRADIENTBKGTYPE_KEY, gradientBackground.Type));
}
// gradient inner border color
if (Color.Gray != gradientBackground.InnerBorderColor)
{
parameters.Add(string.Format(parameterFormat, GradientButtonImageTransformation.GRADIENTBKGIBCOLOR_KEY, gradientBackground.InnerBorderColor.ToArgb()));
}
// gradient inner border width
if (0 <= gradientBackground.InnerBorderWidth)
{
parameters.Add(string.Format(parameterFormat, GradientButtonImageTransformation.GRADIENTBKGIBWIDTH_KEY, gradientBackground.InnerBorderWidth));
}
}
// size type
if (TextContainerSizeType.Specified != sizeType)
{
parameters.Add(string.Format(parameterFormat, TextDependentImageCreator.TEXTCONTSIZETYPE_KEY, sizeType));
}
return (0 < parameters.Count) ? string.Concat(dynamicImageQueryString, "&", string.Join("&", parameters.ToArray())) : dynamicImageQueryString;
}
