/// <inheritdoc />
public string Between(string fromSize, string toSize, string minScreen = "320px", string maxScreen = "1200px")
{
ValueAndUnit fromSizeValueAndUnit = _helpers.GetValueAndUnit(fromSize);
ValueAndUnit toSizeValueAndUnit = _helpers.GetValueAndUnit(toSize);
ValueAndUnit minScreenValueAndUnit = _helpers.GetValueAndUnit(minScreen);
ValueAndUnit maxScreenValueAndUnit = _helpers.GetValueAndUnit(maxScreen);
if (!double.TryParse(fromSizeValueAndUnit.Value, out double fromSizeNum) ||
!double.TryParse(toSizeValueAndUnit.Value, out double toSizeNum) ||
string.IsNullOrWhiteSpace(fromSizeValueAndUnit.Unit) ||
string.IsNullOrWhiteSpace(toSizeValueAndUnit.Unit) ||
fromSizeValueAndUnit.Unit != toSizeValueAndUnit.Unit)
{
throw PolishedException.GetPolishedException(47);
}
if (!double.TryParse(minScreenValueAndUnit.Value, out double minScreenNum) ||
!double.TryParse(maxScreenValueAndUnit.Value, out double maxScreenNum) ||
string.IsNullOrWhiteSpace(minScreenValueAndUnit.Unit) ||
string.IsNullOrWhiteSpace(maxScreenValueAndUnit.Unit) ||
minScreenValueAndUnit.Unit != maxScreenValueAndUnit.Unit)
{
throw PolishedException.GetPolishedException(48);
}
double slope = (fromSizeNum - toSizeNum) / (minScreenNum - maxScreenNum);
double baseNum = toSizeNum - slope * maxScreenNum;
return($"calc({Math.Round(baseNum, 2)}{fromSizeValueAndUnit.Unit} + {Math.Round(100 * slope, 2)}vw)");
}
/// <inheritdoc />
public string FluidRange(List <FluidRangeConfiguration> cssProps, string minScreen = "320px", string maxScreen = "1200px")
{
StringBuilder fallbacks = new StringBuilder();
StringBuilder minSb = new StringBuilder();
StringBuilder maxSb = new StringBuilder();
minSb.Append("@media(min-width:").Append(minScreen).Append("){");
maxSb.Append("@media(min-width:").Append(maxScreen).Append("){");
if (cssProps == null || cssProps.Count == 0)
{
throw PolishedException.GetPolishedException(49);
}
foreach (FluidRangeConfiguration cssProp in cssProps)
{
if (string.IsNullOrWhiteSpace(cssProp.Prop) || string.IsNullOrWhiteSpace(cssProp.FromSize) || string.IsNullOrWhiteSpace(cssProp.ToSize))
{
throw PolishedException.GetPolishedException(50);
}
string between = Between(cssProp.FromSize, cssProp.ToSize, minScreen, maxScreen);
fallbacks.Append($"{cssProp.Prop}:{cssProp.FromSize};");
minSb.Append(cssProp.Prop).Append(":").Append(between).Append(";");
maxSb.Append(cssProp.Prop).Append(":").Append(cssProp.ToSize).Append(";");
}
minSb.Append("}");
maxSb.Append("}");
return(fallbacks.ToString() + minSb.ToString() + maxSb.ToString());
}
/// <inheritdoc />
public string Animation(params string[] args)
{
if (args.Count() > 8)
{
throw PolishedException.GetPolishedException(64);
}
return("animation: " + string.Join(", ", args) + ";");
}
/// <inheritdoc />
public string Animation(params string[][] args)
{
if (args.Max(arg => arg.Count()) > 8)
{
throw PolishedException.GetPolishedException(66);
}
List <string> ret = args.Select(arg => string.Join(" ", arg)).ToList();
return("animation: " + string.Join(", ", ret) + ";");
}
/// <inheritdoc />
public string RetinaImage(string filename, string backgroundSize, string extension = "png", string retinaFilename = "", string retinaSuffix = "_2x")
{
if (string.IsNullOrWhiteSpace(filename))
{
throw PolishedException.GetPolishedException(58);
}
string ext = string.IsNullOrWhiteSpace(extension) ? "png" : extension.Replace(".", "");
string rFilename = !string.IsNullOrWhiteSpace(retinaFilename) ? $"{retinaFilename}.{ext}" : $"{filename}{retinaSuffix}.{ext}";
string rBackgroundSize = !string.IsNullOrWhiteSpace(backgroundSize) ? $"background-size:{backgroundSize};" : "";
return($"background-image:url({filename}.{ext});{HiDPI()}{{background-image:url({rFilename});{rBackgroundSize}}}");
}
/// <inheritdoc />
public string ModularScale(int steps, string baseNum = "1em", ModularScaleRatio modularScaleRatio = ModularScaleRatio.PerfectFourth)
{
string unit = GetUnit(baseNum);
if (!double.TryParse(StripUnit(baseNum), out double realBase))
{
throw PolishedException.GetPolishedException(44, baseNum);
}
double ratio = _ratioNames[modularScaleRatio];
double ret = realBase * Math.Pow(ratio, steps);
return($"{ret}{unit}");
}
/// <inheritdoc />
public string FluidRange(FluidRangeConfiguration cssProp, string minScreen = "320px", string maxScreen = "1200px")
{
if (cssProp == null)
{
throw PolishedException.GetPolishedException(49);
}
if (string.IsNullOrWhiteSpace(cssProp.Prop) || string.IsNullOrWhiteSpace(cssProp.FromSize) || string.IsNullOrWhiteSpace(cssProp.ToSize))
{
throw PolishedException.GetPolishedException(51);
}
string between = Between(cssProp.FromSize, cssProp.ToSize, minScreen, maxScreen);
return($"{cssProp.Prop}:{cssProp.FromSize};@media(min-width:{minScreen}){{{cssProp.Prop}:{between};}}@media(min-width:{maxScreen}){{{cssProp.Prop}:{cssProp.ToSize};}}");
}
/// <inheritdoc />
public string RadialGradient(List <string> colorStops, string extent, string fallback, string position, string shape)
{
if (colorStops == null || colorStops.Count < 2)
{
throw PolishedException.GetPolishedException(57);
}
StringBuilder sb = new StringBuilder();
sb.Append("background-color:").Append(fallback ?? colorStops[0].Split(' ')[0]).Append(";");
sb.Append("background-image:").Append("radial-gradient(");
sb.Append(RadialGradientFirstValue(position, shape, extent));
sb.Append(string.Join(", ", colorStops));
sb.Append(");");
return(sb.ToString());
}
/// <inheritdoc />
public string Triangle(Side pointingDirection, string height, string width, string foregroundColor, string backgroundColor = "transparent")
{
ValueAndUnit heightAndUnit = _helpers.GetValueAndUnit(height);
ValueAndUnit widthAndUnit = _helpers.GetValueAndUnit(width);
if (!double.TryParse(heightAndUnit.Value, out double h) || !double.TryParse(widthAndUnit.Value, out double w))
{
throw PolishedException.GetPolishedException(60);
}
string backgourndColorDefault = !string.IsNullOrWhiteSpace(backgroundColor) ? backgroundColor : "transparent";
StringBuilder sb = new StringBuilder();
sb.Append("width:0;");
sb.Append("height:0;");
sb.Append("border-color:").Append(GetBorderColor(pointingDirection, foregroundColor, backgourndColorDefault)).Append(";");
sb.Append("border-style:solid;");
sb.Append("border-width:").Append(GetBorderWidth(pointingDirection, heightAndUnit, widthAndUnit)).Append(";");
return(sb.ToString());
}
/// <inheritdoc />
public string LinearGradient(List <string> colorStops, string fallback, string toDirection)
{
if (colorStops == null || colorStops.Count < 2)
{
throw PolishedException.GetPolishedException(56);
}
StringBuilder sb = new StringBuilder();
sb.Append("background-color:").Append(fallback ?? colorStops[0].Split(' ')[0]).Append(";");
sb.Append("background-image:").Append("linear-gradient(");
if (!string.IsNullOrWhiteSpace(toDirection))
{
sb.Append(toDirection).Append(", ");
}
sb.Append(string.Join(", ", colorStops));
sb.Append(");");
return(sb.ToString());
}
/// <summary>
/// Returns an HslColor object from a string.
/// </summary>
/// <param name="color"></param>
/// <returns></returns>
public static RgbColor Parse(string color)
{
string hexRegex = "^#[a-fA-F0-9]{6}$";
string hexRgbaRegex = "^#[a-fA-F0-9]{8}$";
string reducedHexRegex = "^#[a-fA-F0-9]{3}$";
string reducedRgbaHexRegex = "^#[a-fA-F0-9]{4}$";
string rgbRegex = @"rgb\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*\)$";
string rgbaRegex = @"^rgba\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*([-+]?[0-9]*[.]?[0-9]+)\s*\)$";
string hslRegex = @"^hsl\(\s*(\d{0,3}[.]?[0-9]+)\s*,\s*(\d{1,3})%\s*,\s*(\d{1,3})%\s*\)$";
string hslaRegex = @"^hsla\(\s*(\d{0,3}[.]?[0-9]+)\s*,\s*(\d{1,3})%\s*,\s*(\d{1,3})%\s*,\s*([-+]?[0-9]*[.]?[0-9]+)\s*\)$";
Conversion conversion = new Conversion();
string normalizedColor = conversion.NameToHex(color);
if (Regex.IsMatch(normalizedColor, hexRegex))
{
return(new RgbColor
{
Red = int.Parse($"{normalizedColor[1]}{normalizedColor[2]}", System.Globalization.NumberStyles.HexNumber),
Green = int.Parse($"{normalizedColor[3]}{normalizedColor[4]}", System.Globalization.NumberStyles.HexNumber),
Blue = int.Parse($"{normalizedColor[5]}{normalizedColor[6]}", System.Globalization.NumberStyles.HexNumber)
});
}
if (Regex.IsMatch(normalizedColor, hexRgbaRegex))
{
double alpha = Math.Round(
((double)int.Parse($"{normalizedColor[7]}{normalizedColor[8]}", System.Globalization.NumberStyles.HexNumber) / 255)
, 2);
return(new RgbColor
{
Red = int.Parse($"{normalizedColor[1]}{normalizedColor[2]}", System.Globalization.NumberStyles.HexNumber),
Green = int.Parse($"{normalizedColor[3]}{normalizedColor[4]}", System.Globalization.NumberStyles.HexNumber),
Blue = int.Parse($"{normalizedColor[5]}{normalizedColor[6]}", System.Globalization.NumberStyles.HexNumber),
Alpha = alpha
});
}
if (Regex.IsMatch(normalizedColor, reducedHexRegex))
{
return(new RgbColor
{
Red = int.Parse($"{normalizedColor[1]}{normalizedColor[1]}", System.Globalization.NumberStyles.HexNumber),
Green = int.Parse($"{normalizedColor[2]}{normalizedColor[2]}", System.Globalization.NumberStyles.HexNumber),
Blue = int.Parse($"{normalizedColor[3]}{normalizedColor[3]}", System.Globalization.NumberStyles.HexNumber)
});
}
if (Regex.IsMatch(normalizedColor, reducedRgbaHexRegex))
{
double alpha = Math.Round(
((double)int.Parse($"{normalizedColor[4]}{normalizedColor[4]}", System.Globalization.NumberStyles.HexNumber) / 255)
, 2);
return(new RgbColor
{
Red = int.Parse($"{normalizedColor[1]}{normalizedColor[1]}", System.Globalization.NumberStyles.HexNumber),
Green = int.Parse($"{normalizedColor[2]}{normalizedColor[2]}", System.Globalization.NumberStyles.HexNumber),
Blue = int.Parse($"{normalizedColor[3]}{normalizedColor[3]}", System.Globalization.NumberStyles.HexNumber),
Alpha = alpha
});
}
MatchCollection rgbMatched = new Regex(rgbRegex, RegexOptions.IgnoreCase).Matches(normalizedColor);
if (rgbMatched.Count > 0)
{
return(new RgbColor
{
Red = int.Parse(rgbMatched[0].Groups[1].Value),
Green = int.Parse(rgbMatched[0].Groups[2].Value),
Blue = int.Parse(rgbMatched[0].Groups[3].Value)
});
}
MatchCollection rgbaMatched = new Regex(rgbaRegex, RegexOptions.IgnoreCase).Matches(normalizedColor);
if (rgbaMatched.Count > 0)
{
return(new RgbColor
{
Red = int.Parse(rgbaMatched[0].Groups[1].Value),
Green = int.Parse(rgbaMatched[0].Groups[2].Value),
Blue = int.Parse(rgbaMatched[0].Groups[3].Value),
Alpha = double.Parse(rgbaMatched[0].Groups[4].Value)
});
}
MatchCollection hslMatched = new Regex(hslRegex, RegexOptions.IgnoreCase).Matches(normalizedColor);
if (hslMatched.Count > 0)
{
double hue = double.Parse(hslMatched[0].Groups[1].Value);
double saturation = double.Parse(hslMatched[0].Groups[2].Value) / 100;
double lightness = double.Parse(hslMatched[0].Groups[3].Value) / 100;
HslColor hsl = new HslColor {
Hue = hue, Saturation = saturation, Lightness = lightness
};
return(hsl.ToRgb());
}
MatchCollection hslaMatched = new Regex(hslaRegex, RegexOptions.IgnoreCase).Matches(normalizedColor);
if (hslaMatched.Count > 0)
{
double hue = double.Parse(hslaMatched[0].Groups[1].Value);
double saturation = double.Parse(hslaMatched[0].Groups[2].Value) / 100;
double lightness = double.Parse(hslaMatched[0].Groups[3].Value) / 100;
HslColor hsl = new HslColor {
Hue = hue, Saturation = saturation, Lightness = lightness
};
RgbColor rgba = hsl.ToRgb();
rgba.Alpha = double.Parse(hslaMatched[0].Groups[4].Value);
return(rgba);
}
throw PolishedException.GetPolishedException(5);
}
/// <inheritdoc />
public string FontFace(string fontFamily, string fontFilePath, string fontStretch, string fontStyle, string fontVariant, string fontWeight,
List <string> fileFormats, bool formatHint, List <string> localFonts, string unicodeRange, string fontDisplay, string fontVariationSettings,
string fontFeatureSettings)
{
if (string.IsNullOrWhiteSpace(fontFamily))
{
throw PolishedException.GetPolishedException(55);
}
if (fileFormats == null || fileFormats.Count == 0)
{
fileFormats = new List <string> {
"eot", "woff2", "woff", "ttf", "svg"
};
}
if (string.IsNullOrWhiteSpace(fontFilePath) && localFonts == null)
{
throw PolishedException.GetPolishedException(52);
}
if (localFonts != null && localFonts.Count == 0)
{
throw PolishedException.GetPolishedException(53);
}
StringBuilder sb = new StringBuilder();
sb.Append("@font-face{");
sb.Append("font-family:").Append(fontFamily).Append(";");
sb.Append("src:").Append(GenerateSources(fontFilePath, localFonts, fileFormats, formatHint)).Append(";");
if (unicodeRange != null)
{
sb.Append("unicode-range:").Append(unicodeRange).Append(";");
}
if (fontStretch != null)
{
sb.Append("font-stretch:").Append(fontStretch).Append(";");
}
if (fontStyle != null)
{
sb.Append("font-style:").Append(fontStyle).Append(";");
}
if (fontVariant != null)
{
sb.Append("font-variant:").Append(fontVariant).Append(";");
}
if (fontWeight != null)
{
sb.Append("font-weight:").Append(fontWeight).Append(";");
}
if (fontDisplay != null)
{
sb.Append("font-display:").Append(fontDisplay).Append(";");
}
if (fontVariant != null)
{
sb.Append("font-variant:").Append(fontVariant).Append(";");
}
if (fontVariationSettings != null)
{
sb.Append("font-variant-settings:").Append(fontVariationSettings).Append(";");
}
if (fontFeatureSettings != null)
{
sb.Append("font-feature-settings:").Append(fontFeatureSettings).Append(";");
}
sb.Append("}");
return(sb.ToString());
}