public void TestRemoveCharacterAdjustsCharactersBaselineOfRelevantLine()
{
var builder = new TextBuilder(fontStore, normal_font);
builder.AddText("a");
builder.AddNewLine();
builder.AddText("ab");
builder.AddNewLine();
builder.AddText("abm");
builder.RemoveLastCharacter();
assertOtherCharactersNotAffected();
Assert.That(builder.Characters[3].DrawRectangle.Top, Is.EqualTo(font_size * 2 + y_offset + (b_baseline - baseline)));
Assert.That(builder.Characters[4].DrawRectangle.Top, Is.EqualTo(font_size * 2 + b_y_offset));
builder.RemoveLastCharacter();
assertOtherCharactersNotAffected();
Assert.That(builder.Characters[3].DrawRectangle.Top, Is.EqualTo(font_size * 2 + y_offset));
void assertOtherCharactersNotAffected()
{
Assert.That(builder.Characters[0].DrawRectangle.Top, Is.EqualTo(y_offset));
Assert.That(builder.Characters[1].DrawRectangle.Top, Is.EqualTo(font_size + y_offset + (b_baseline - baseline)));
Assert.That(builder.Characters[2].DrawRectangle.Top, Is.EqualTo(font_size + b_y_offset));
}
}
public void TestFirstCharacterOnNewLineIsOnNewLine()
{
var builder = new TextBuilder(fontStore, normal_font);
builder.AddText("a");
builder.AddNewLine();
builder.AddText("a");
Assert.That(builder.Characters[1].OnNewLine, Is.True);
}
public void TestLineBaseHeightThrowsOnMultiline()
{
var builder = new TextBuilder(fontStore, normal_font);
builder.AddText("a");
builder.AddNewLine();
builder.AddText("b");
Assert.Throws <InvalidOperationException>(() => _ = builder.LineBaseHeight);
}
public void TestFirstCharacterOnNewLineHasNoKerning()
{
var builder = new TextBuilder(fontStore, normal_font);
builder.AddText("a");
builder.AddNewLine();
builder.AddText("a");
Assert.That(builder.Characters[1].DrawRectangle.Left, Is.EqualTo(x_offset));
}
public void TestNewLineUsesFontHeightWhenUsingFontHeightAsSize()
{
var builder = new TextBuilder(fontStore, normal_font);
builder.AddText("a");
builder.AddText("b");
builder.AddNewLine();
builder.AddText("a");
Assert.That(builder.Characters[2].DrawRectangle.Top, Is.EqualTo(font_size + y_offset));
}
public void TestRemoveFirstCharacterOnNewlineDoesntAffectLastLineAlignment()
{
var builder = new TextBuilder(fontStore, normal_font);
builder.AddText("ab");
builder.AddNewLine();
builder.AddText("m");
builder.RemoveLastCharacter();
Assert.That(builder.Characters[0].DrawRectangle.Top, Is.EqualTo(y_offset + (b_baseline - baseline)));
Assert.That(builder.Characters[1].DrawRectangle.Top, Is.EqualTo(b_y_offset));
}
public void TestNewLineUsesGlyphHeightWhenNotUsingFontHeightAsSize()
{
var builder = new TextBuilder(fontStore, normal_font, useFontSizeAsHeight: false);
builder.AddText("a");
builder.AddText("b");
builder.AddNewLine();
builder.AddText("a");
// b is the larger glyph
Assert.That(builder.Characters[2].DrawRectangle.Top, Is.EqualTo(b_y_offset + b_height + y_offset));
}
public void TestCurrentPositionAdvancedAfterFixedWidthCharacter()
{
var builder = new TextBuilder(fontStore, fixed_width_font);
builder.AddText("a");
builder.AddText("a");
Assert.That(builder.Characters[1].DrawRectangle.Left, Is.EqualTo(m_width + (m_width - width) / 2));
Assert.That(builder.Characters[1].DrawRectangle.Top, Is.EqualTo(y_offset));
Assert.That(builder.Characters[1].DrawRectangle.Width, Is.EqualTo(width));
Assert.That(builder.Characters[1].DrawRectangle.Height, Is.EqualTo(height));
}
public void TestCurrentPositionAdvancedAfterCharacter()
{
var builder = new TextBuilder(fontStore, normal_font);
builder.AddText("a");
builder.AddText("a");
Assert.That(builder.Characters[1].DrawRectangle.Left, Is.EqualTo(x_advance + kerning + x_offset));
Assert.That(builder.Characters[1].DrawRectangle.Top, Is.EqualTo(y_offset));
Assert.That(builder.Characters[1].DrawRectangle.Width, Is.EqualTo(width));
Assert.That(builder.Characters[1].DrawRectangle.Height, Is.EqualTo(height));
}
public void TestRemoveFirstCharacterResetsCurrentPosition()
{
var builder = new TextBuilder(fontStore, normal_font, spacing: spacing);
builder.AddText("a");
builder.RemoveLastCharacter();
Assert.That(builder.Bounds, Is.EqualTo(Vector2.Zero));
builder.AddText("a");
Assert.That(builder.Characters[0].DrawRectangle.Top, Is.EqualTo(y_offset));
Assert.That(builder.Characters[0].DrawRectangle.Left, Is.EqualTo(x_offset));
}
public void TestSpacingAdded()
{
var builder = new TextBuilder(fontStore, normal_font, spacing: spacing);
builder.AddText("a");
builder.AddText("a");
builder.AddNewLine();
builder.AddText("a");
Assert.That(builder.Characters[0].DrawRectangle.Left, Is.EqualTo(x_offset));
Assert.That(builder.Characters[1].DrawRectangle.Left, Is.EqualTo(x_advance + spacing.X + kerning + x_offset));
Assert.That(builder.Characters[2].DrawRectangle.Left, Is.EqualTo(x_offset));
Assert.That(builder.Characters[2].DrawRectangle.Top, Is.EqualTo(font_size + spacing.Y + y_offset));
}
public void TestRemoveCharacterOnSameLineRemovesCharacter()
{
var builder = new TextBuilder(fontStore, normal_font, spacing: spacing);
builder.AddText("a");
builder.AddText("a");
builder.RemoveLastCharacter();
Assert.That(builder.Bounds, Is.EqualTo(new Vector2(x_advance, font_size)));
builder.AddText("a");
Assert.That(builder.Characters[1].DrawRectangle.Top, Is.EqualTo(y_offset));
Assert.That(builder.Characters[1].DrawRectangle.Left, Is.EqualTo(x_advance + spacing.X + kerning + x_offset));
}
public void TestFailedCharacterLookup()
{
var font = new TestFontUsage("test");
var builder = new TextBuilder(new TestStore(), font);
builder.AddText("a");
Assert.That(builder.Bounds, Is.EqualTo(Vector2.Zero));
}
public void TestNewLineOnEmptyBuilderOffsetsPositionByFontSize()
{
var builder = new TextBuilder(fontStore, normal_font);
builder.AddNewLine();
builder.AddText("a");
Assert.That(builder.Characters[0].DrawRectangle.Top, Is.EqualTo(font_size + y_offset));
}
public void TestCharacterWithHigherBaselineGetsOffset()
{
var builder = new TextBuilder(fontStore, normal_font);
builder.AddText("m");
Assert.That(builder.LineBaseHeight, Is.EqualTo(m_baseline));
builder.AddText("b");
Assert.That(builder.LineBaseHeight, Is.EqualTo(m_baseline));
Assert.That(builder.Characters[1].DrawRectangle.Top, Is.EqualTo(b_y_offset + (m_baseline - b_baseline)));
builder.AddText("a");
Assert.That(builder.LineBaseHeight, Is.EqualTo(m_baseline));
Assert.That(builder.Characters[1].DrawRectangle.Top, Is.EqualTo(b_y_offset + (m_baseline - b_baseline)));
Assert.That(builder.Characters[2].DrawRectangle.Top, Is.EqualTo(y_offset + (m_baseline - baseline)));
}
public void TestFirstCharacterRectangleIsCorrect()
{
var builder = new TextBuilder(fontStore, normal_font);
builder.AddText("a");
Assert.That(builder.Characters[0].DrawRectangle.Left, Is.EqualTo(x_offset));
Assert.That(builder.Characters[0].DrawRectangle.Top, Is.EqualTo(y_offset));
Assert.That(builder.Characters[0].DrawRectangle.Width, Is.EqualTo(width));
Assert.That(builder.Characters[0].DrawRectangle.Height, Is.EqualTo(height));
}
public void TestRemoveSameBaselineCharacterDoesntAffectAlignment()
{
var builder = new TextBuilder(fontStore, normal_font);
builder.AddText("abb");
Assert.That(builder.Characters[0].DrawRectangle.Top, Is.EqualTo(y_offset + (b_baseline - baseline)));
builder.RemoveLastCharacter();
Assert.That(builder.Characters[0].DrawRectangle.Top, Is.EqualTo(y_offset + (b_baseline - baseline)));
}
public void TestSameCharacterFallsBackWithNoFontName()
{
var font = new TestFontUsage("test");
var nullFont = new TestFontUsage(null);
var builder = new TextBuilder(new TestStore(
new GlyphEntry(font, new TestGlyph('b', 0, 0, 0, 0, 0, 0, 0)),
new GlyphEntry(nullFont, new TestGlyph('a', 0, 0, 0, 0, 0, 0, 0)),
new GlyphEntry(font, new TestGlyph('?', 0, 0, 0, 0, 0, 0, 0)),
new GlyphEntry(nullFont, new TestGlyph('?', 0, 0, 0, 0, 0, 0, 0))
), font);
builder.AddText("a");
Assert.That(builder.Characters[0].Character, Is.EqualTo('a'));
}
/// <summary>
/// Compute character textures and positions.
/// </summary>
private void computeCharacters()
{
// Note : this feature can only use in osu-framework
// if (LoadState >= LoadState.Loaded)
// ThreadSafety.EnsureUpdateThread();
if (store == null)
{
return;
}
if (charactersCache.IsValid)
{
return;
}
charactersBacking.Clear();
Debug.Assert(!isComputingCharacters, "Cyclic invocation of computeCharacters()!");
isComputingCharacters = true;
TextBuilder textBuilder = null;
try
{
if (string.IsNullOrEmpty(displayedText))
{
return;
}
textBuilder = CreateTextBuilder(store);
textBuilder.AddText(displayedText);
if (rubies?.Any() ?? false)
{
var rubyTextBuilder = CreateRubyTextBuilder(store);
rubies.ForEach(x => rubyTextBuilder.AddText(x));
}
if (romajies?.Any() ?? false)
{
var romajiTextBuilder = CreateRomajiTextBuilder(store);
romajies.ForEach(x => romajiTextBuilder.AddText(x));
}
}
finally
{
if (requiresAutoSizedWidth)
{
base.Width = (textBuilder?.Bounds.X ?? 0) + Padding.Right;
}
if (requiresAutoSizedHeight)
{
var romajiHeight = (ReserveRomajiHeight || (Romajies?.Any() ?? false)) ? RomajiFont.Size : 0;
base.Height = (textBuilder?.Bounds.Y ?? 0) + romajiHeight + Padding.Bottom;
}
base.Width = Math.Min(base.Width, MaxWidth);
isComputingCharacters = false;
charactersCache.Validate();
}
}
