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 TestNewLineOnEmptyLineOffsetsPositionByFontSize()
{
var builder = new TextBuilder(fontStore, normal_font);
builder.AddNewLine();
builder.AddNewLine();
builder.AddText("a");
Assert.That(builder.Characters[0].DrawRectangle.Top, Is.EqualTo(y_offset + y_offset));
}
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 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 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 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 TestRemoveCharacterOnNewLineRemovesCharacterAndLine()
{
var builder = new TextBuilder(fontStore, normal_font, spacing: spacing);
builder.AddText("a");
builder.AddNewLine();
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.TopLeft, Is.EqualTo(new Vector2(x_advance + spacing.X + kerning + x_offset, y_offset)));
Assert.That(builder.Bounds, Is.EqualTo(new Vector2(x_advance + spacing.X + kerning + x_advance, font_size)));
}