public void TypeMeasureOptions_FontUnitTypo()
{
var options = TypeMeasureOptions.BreakOnWords;
options.IgnoreStartingWhiteSpace = true;
options.FontUnits = FontUnitType.UseTypographicMetrics;
Assert.IsFalse(options.CharacterSpacing.HasValue);
Assert.IsFalse(options.WordSpacing.HasValue);
Assert.IsTrue(options.BreakOnWordBoundaries, "The static break on words should have this flag as true");
Assert.IsTrue(options.IgnoreStartingWhiteSpace, "The starting white space should be ignored");
Assert.AreEqual(FontUnitType.UseTypographicMetrics, options.FontUnits, "The font units should be the header metrics");
using (var reader = new TypefaceReader())
{
ITypefaceFont font = reader.GetFirstFont(path);
Assert.IsNotNull(font);
Assert.IsTrue(font.FamilyName == ValidateHelvetica.FamilyName);
var metrics = font.GetMetrics(options);
Assert.IsNotNull(metrics);
var size = metrics.MeasureLine(TextToMeasure, 0, fontSize, availableWidth, options);
Assert.AreEqual(TextToMeasure.Length, size.CharsFitted, "Should have fitted all the characters");
Assert.IsFalse(size.OnWordBoudary, "Should not be breaking on a word boundary, as eveything fitted");
Assert.AreEqual(11.4, Math.Round(size.RequiredHeight, 1), "Should use the typographic size, rather than header.");
}
}
public void GetHelveticaMetrics()
{
var path = new FileInfo(Path.Combine(System.Environment.CurrentDirectory, ValidateHelvetica.UrlPath));
var words = TextToMeasure;
var offset = 0;
var fontSize = 12.0;
var available = 1000; //fit all characters
var options = TypeMeasureOptions.Default;
IFontMetrics metrics;
using (var reader = new TypefaceReader())
{
var font = reader.GetFirstFont(path);
metrics = font.GetMetrics(options);
ValidateHelvetica.AssertMetrics(metrics);
var size = metrics.MeasureLine(words, offset, fontSize, available, options);
Assert.AreEqual(12.0, fontSize, "The measurements are for a point size of 12");
Assert.AreEqual(words.Length, size.CharsFitted, "Should be able to fit everything in the first measurement");
//checked to fit all at 140.53125
Assert.AreEqual(140.53, Math.Round(size.RequiredWidth, 2), "The width of the string was not as statically caclulated");
//checked height of a line to 12
Assert.AreEqual(12.0, size.RequiredHeight, "The height of the string was not as statically calculated");
// check 2
//reduce the size so not all characters can fit.
//expected 90.50 and fitted 19
available = 90;
size = metrics.MeasureLine(words, offset, fontSize, available, options);
//This is the text t
Assert.AreEqual(18, size.CharsFitted);
Assert.AreEqual(83.84, Math.Round(size.RequiredWidth, 2), "The width of the restricted string was not as statically calculated");
Assert.AreEqual(12.0, size.RequiredHeight, "The height of the string was not as statically calculated");
// check 3
//now set breaking on words only
options.BreakOnWordBoundaries = true;
size = metrics.MeasureLine(words, offset, fontSize, available, options);
//This is the text
Assert.AreEqual(16, size.CharsFitted);
Assert.AreEqual(77.17, Math.Round(size.RequiredWidth, 2), "The width of the restricted string was not as statically calculated");
Assert.AreEqual(12.0, size.RequiredHeight, "The height of the string was not as statically calculated");
//check 4
//set the offset to last fitted and measure the rest
offset = size.CharsFitted;
size = metrics.MeasureLine(words, offset, fontSize, available, options);
Assert.AreEqual(words.Length - offset, size.CharsFitted, "Expected to fit all the remaining characters on the next measure (line)");
}
}
public void ValidGetFirstFontGillSansUrl()
{
var path = new Uri(ValidateGillSans.RootUrl);
using (var reader = new TypefaceReader(path))
{
var url = new Uri(ValidateGillSans.UrlPath, UriKind.Relative);
var face = reader.GetFirstFont(url);
ValidateGillSans.AssertMatches(ValidateGillSans.FontTypefaces[0], face);
}
}
public void ValidGetFirstFontGillSansPath()
{
var path = new DirectoryInfo(System.Environment.CurrentDirectory);
using (var reader = new TypefaceReader(path))
{
var url = new FileInfo(ValidateGillSans.UrlPath);
var face = reader.GetFirstFont(url);
ValidateGillSans.AssertMatches(ValidateGillSans.FontTypefaces[0], face);
}
}
public void ValidGetTypefacesHachiFile()
{
var path = new DirectoryInfo(System.Environment.CurrentDirectory);
using (var reader = new TypefaceReader(path))
{
var file = new FileInfo(ValidateHachi.UrlPath);
var face = reader.GetFirstFont(file);
Assert.IsNotNull(face);
ValidateHachi.AssertTypeface(face);
}
}
public void ValidGetFirstFontHelveticaUrl()
{
var path = new Uri(ValidateHelvetica.RootUrl);
using (var reader = new TypefaceReader(path))
{
var url = new Uri(ValidateHelvetica.UrlPath, UriKind.Relative);
var face = reader.GetFirstFont(url);
ValidateHelvetica.AssertTypeface(face);
}
}
public void TypeMeasureOptions_IgnoreStartingWhitespace()
{
var options = TypeMeasureOptions.BreakOnWords;
options.IgnoreStartingWhiteSpace = true;
Assert.IsFalse(options.CharacterSpacing.HasValue);
Assert.IsFalse(options.WordSpacing.HasValue);
Assert.IsTrue(options.BreakOnWordBoundaries, "The static break on words should have this flag as true");
Assert.IsTrue(options.IgnoreStartingWhiteSpace, "The starting white space should be ignored");
Assert.AreEqual(FontUnitType.UseFontPreference, options.FontUnits);
using (var reader = new TypefaceReader())
{
ITypefaceFont font = reader.GetFirstFont(path);
Assert.IsNotNull(font);
Assert.IsTrue(font.FamilyName == ValidateHelvetica.FamilyName);
var metrics = font.GetMetrics(options);
Assert.IsNotNull(metrics);
var size = metrics.MeasureLine(TextToMeasure, 0, fontSize, availableWidth, options);
Assert.AreEqual(TextToMeasure.Length, size.CharsFitted, "Should have fitted all the characters");
Assert.IsFalse(size.OnWordBoudary, "Should not be breaking on a word boundary, as eveything fitted");
Assert.AreEqual(12.0, size.RequiredHeight, "Helvetica font preferences should use the font header size, rather than typographic.");
//Check the smaller size
// "This is the text"
// "to measure"
size = metrics.MeasureLine(TextToMeasure, 0, fontSize, smallWidth, options);
Assert.AreEqual(16, size.CharsFitted, "Can only fit 16 chars on smaller width with word break");
Assert.IsTrue(size.OnWordBoudary, "Breaking on word boundary should be true");
Assert.AreEqual(12.0, size.RequiredHeight, "Helvetica font preferences should use the font header size, rather than typographic.");
//Check the remaining text
size = metrics.MeasureLine(TextToMeasure, size.CharsFitted, fontSize, smallWidth, options);
Assert.AreEqual(17, size.FirstCharacter, "The space should be ignored and the first character should be the 't' at index 17");
Assert.AreEqual(TextToMeasure.Length - size.FirstCharacter, size.CharsFitted, "Should have been able to fit the remaining text");
}
}
public void TypeMeasureOptions_Default()
{
var options = TypeMeasureOptions.Default;
Assert.IsFalse(options.CharacterSpacing.HasValue);
Assert.IsFalse(options.WordSpacing.HasValue);
Assert.IsFalse(options.BreakOnWordBoundaries);
Assert.IsFalse(options.IgnoreStartingWhiteSpace);
Assert.AreEqual(FontUnitType.UseFontPreference, options.FontUnits);
using (var reader = new TypefaceReader())
{
ITypefaceFont font = reader.GetFirstFont(path);
Assert.IsNotNull(font);
Assert.IsTrue(font.FamilyName == ValidateHelvetica.FamilyName);
var metrics = font.GetMetrics(options);
Assert.IsNotNull(metrics);
var size = metrics.MeasureLine(TextToMeasure, 0, fontSize, availableWidth, options);
Assert.AreEqual(TextToMeasure.Length, size.CharsFitted, "Should have fitted all the characters");
Assert.IsFalse(size.OnWordBoudary, "Should not be breaking on a word boundary");
Assert.AreEqual(12.0, size.RequiredHeight, "Helvetica font preferences should use the font header size, rather than typographic.");
//Check the smaller size
// "This is the text t"
// "o measure"
size = metrics.MeasureLine(TextToMeasure, 0, fontSize, smallWidth, options);
Assert.AreEqual(18, size.CharsFitted, "Can only fit 18 chars on smaller width");
Assert.IsFalse(size.OnWordBoudary, "Breaking on word boundary should be false");
Assert.AreEqual(12.0, size.RequiredHeight, "Helvetica font preferences should use the font header size, rather than typographic.");
}
}
public void TypeMeasureOptions_CharacterAndWordSpacing()
{
var options = TypeMeasureOptions.Default;
Assert.IsFalse(options.CharacterSpacing.HasValue);
Assert.IsFalse(options.WordSpacing.HasValue);
Assert.IsFalse(options.BreakOnWordBoundaries);
Assert.IsFalse(options.IgnoreStartingWhiteSpace);
Assert.AreEqual(FontUnitType.UseFontPreference, options.FontUnits);
using (var reader = new TypefaceReader())
{
ITypefaceFont font = reader.GetFirstFont(path);
Assert.IsNotNull(font);
Assert.IsTrue(font.FamilyName == ValidateHelvetica.FamilyName);
var metrics = font.GetMetrics(options);
Assert.IsNotNull(metrics);
//Without spacing should be 140.53 wide
var size = metrics.MeasureLine(TextToMeasure, 0, fontSize, availableWidth, options);
Assert.AreEqual(TextToMeasure.Length, size.CharsFitted, "Should have fitted all the characters");
Assert.IsFalse(size.OnWordBoudary, "Should not be breaking on a word boundary");
Assert.AreEqual(12.0, size.RequiredHeight, "Helvetica font preferences should use the font header size, rather than typographic.");
Assert.AreEqual(140.53, Math.Round(size.RequiredWidth, 2), "The width of the string was not as statically caclulated");
options.CharacterSpacing = 2.0;
options.WordSpacing = 5.0;
var extra = (options.CharacterSpacing * 22.0) + (options.WordSpacing * 5); // 22 character spaces + 5 word spaces in the text to measure
size = metrics.MeasureLine(TextToMeasure, 0, fontSize, availableWidth, options);
Assert.AreEqual(TextToMeasure.Length, size.CharsFitted, "Should have fitted all the characters");
Assert.IsFalse(size.OnWordBoudary, "Should not be breaking on a word boundary");
Assert.AreEqual(12.0, size.RequiredHeight, "Helvetica font preferences should use the font header size, rather than typographic.");
Assert.AreEqual(140.53 + extra, Math.Round(size.RequiredWidth, 2), "The width of the string did not match with the expected word and character spacing");
//Check the smaller size with the extra spacing
// "This is the tex"
// "t to measure"
size = metrics.MeasureLine(TextToMeasure, 0, fontSize, smallWidth, options);
Assert.AreEqual(11, size.CharsFitted, "Can only fit 11 chars on smaller width with extra character and word space");
Assert.IsFalse(size.OnWordBoudary, "Breaking on word boundary should be false");
Assert.AreEqual(12.0, size.RequiredHeight, "Helvetica font preferences should use the font header size, rather than typographic.");
//Check the smaller size with the extra spacing and break on words
// "This is the"
// " text to measure"
options.BreakOnWordBoundaries = true;
size = metrics.MeasureLine(TextToMeasure, 0, fontSize, smallWidth, options);
Assert.AreEqual(11, size.CharsFitted, "Can only fit 11 chars on smaller width with extra character space and breaking on words");
Assert.IsTrue(size.OnWordBoudary, "Breaking on word boundary should be true");
Assert.AreEqual(12.0, size.RequiredHeight, "Helvetica font preferences should use the font header size, rather than typographic.");
}
}