public virtual void VerifyXAdvanceIsNotAppliedForUnsatisfiedContextualPositioning()
{
TrueTypeFont fontProgram = (TrueTypeFont)FontProgramFactory.CreateFont(RESOURCE_FOLDER + "NotoSansMyanmar-Regular.ttf"
);
GlyphPositioningTableReader gposTableReader = fontProgram.GetGposTable();
GposLookupType7 lookup = (GposLookupType7)gposTableReader.GetLookupTable(28);
IList <Glyph> glyphs = JavaUtil.ArraysAsList(fontProgram.GetGlyphByCode(1), fontProgram.GetGlyphByCode(174)
, fontProgram.GetGlyphByCode(5), fontProgram.GetGlyphByCode(411));
GlyphLine gl = new GlyphLine(glyphs);
NUnit.Framework.Assert.IsFalse(lookup.TransformLine(gl));
for (int i = 0; i < gl.Size(); i++)
{
NUnit.Framework.Assert.AreEqual(0, gl.Get(i).GetXAdvance());
NUnit.Framework.Assert.AreEqual(0, gl.Get(i).GetYAdvance());
}
}
public virtual void VerifyDifferentXAdvanceIsAppliedSubFormat2()
{
TrueTypeFont fontProgram = (TrueTypeFont)FontProgramFactory.CreateFont(RESOURCE_FOLDER + "NotoSansMyanmar-Regular.ttf"
);
GlyphPositioningTableReader gposTableReader = fontProgram.GetGposTable();
GposLookupType1 lookup = (GposLookupType1)gposTableReader.GetLookupTable(16);
IList <Glyph> glyphs = JavaUtil.ArraysAsList(new Glyph(fontProgram.GetGlyphByCode(401)), new Glyph(fontProgram
.GetGlyphByCode(5)));
GlyphLine gl = new GlyphLine(glyphs);
NUnit.Framework.Assert.AreEqual(0, gl.Get(0).GetXAdvance());
NUnit.Framework.Assert.IsTrue(lookup.TransformOne(gl));
NUnit.Framework.Assert.AreEqual(109, gl.Get(0).GetXAdvance());
// Subtable type 2 defines different GposValueRecords for different coverage glyphs
glyphs = JavaUtil.ArraysAsList(new Glyph(fontProgram.GetGlyphByCode(508)), new Glyph(fontProgram.GetGlyphByCode
(5)));
gl = new GlyphLine(glyphs);
NUnit.Framework.Assert.AreEqual(0, gl.Get(0).GetXAdvance());
NUnit.Framework.Assert.IsTrue(lookup.TransformOne(gl));
NUnit.Framework.Assert.AreEqual(158, gl.Get(0).GetXAdvance());
}
public virtual void VerifyPositionIsNotAppliedForIrrelevantGlyph()
{
TrueTypeFont fontProgram = (TrueTypeFont)FontProgramFactory.CreateFont(RESOURCE_FOLDER + "NotoSansMyanmar-Regular.ttf"
);
GlyphPositioningTableReader gposTableReader = fontProgram.GetGposTable();
GposLookupType1 lookup = (GposLookupType1)gposTableReader.GetLookupTable(29);
IList <Glyph> glyphs = JavaUtil.ArraysAsList(new Glyph(fontProgram.GetGlyphByCode(5)), new Glyph(fontProgram
.GetGlyphByCode(174)));
GlyphLine gl = new GlyphLine(glyphs);
gl.idx = 0;
NUnit.Framework.Assert.AreEqual(0, gl.Get(0).GetXAdvance());
NUnit.Framework.Assert.IsFalse(lookup.TransformOne(gl));
NUnit.Framework.Assert.AreEqual(0, gl.Get(0).GetXAdvance());
}
public virtual void VerifyMarkToBaseAttachment()
{
TrueTypeFont fontProgram = (TrueTypeFont)FontProgramFactory.CreateFont(RESOURCE_FOLDER + "KhmerOS.ttf");
GlyphPositioningTableReader gposTableReader = fontProgram.GetGposTable();
GposLookupType5 lookup = (GposLookupType5)gposTableReader.GetLookupTable(0);
IList <Glyph> glyphs = JavaUtil.ArraysAsList(new Glyph(fontProgram.GetGlyphByCode(445)), new Glyph(fontProgram
.GetGlyphByCode(394)));
GlyphLine gl = new GlyphLine(glyphs);
gl.idx = 1;
lookup.TransformOne(gl);
NUnit.Framework.Assert.AreEqual(2, gl.Size());
NUnit.Framework.Assert.AreEqual(445, gl.Get(0).GetCode());
NUnit.Framework.Assert.AreEqual(394, gl.Get(1).GetCode());
NUnit.Framework.Assert.AreEqual(-1, gl.Get(1).GetAnchorDelta());
NUnit.Framework.Assert.AreEqual(756, gl.Get(1).GetXPlacement());
}
public virtual void VerifyMarkToBaseAttachment()
{
TrueTypeFont fontProgram = (TrueTypeFont)FontProgramFactory.CreateFont(RESOURCE_FOLDER + "Padauk-Regular.ttf"
);
GlyphPositioningTableReader gposTableReader = fontProgram.GetGposTable();
GposLookupType4 lookup = (GposLookupType4)gposTableReader.GetLookupTable(192);
IList <Glyph> glyphs = JavaUtil.ArraysAsList(new Glyph(fontProgram.GetGlyphByCode(163)), new Glyph(fontProgram
.GetGlyphByCode(207)), new Glyph(fontProgram.GetGlyphByCode(213)));
GlyphLine gl = new GlyphLine(glyphs);
gl.idx = 2;
NUnit.Framework.Assert.AreEqual(0, gl.Get(2).GetXPlacement());
NUnit.Framework.Assert.AreEqual(0, gl.Get(2).GetAnchorDelta());
lookup.TransformOne(gl);
NUnit.Framework.Assert.AreEqual(364, gl.Get(2).GetXPlacement());
NUnit.Framework.Assert.AreEqual(-2, gl.Get(2).GetAnchorDelta());
}
public virtual void TestSelectingCorrectAttachmentAlternative()
{
// TODO on completion of DEVSIX-3732 this test will probably have to be refactored
// since we will have to emulate previous substitutions and populate the substitution info
// to the glyph line so that mark is attached to the correct component of a ligature
TrueTypeFont fontProgram = (TrueTypeFont)FontProgramFactory.CreateFont(RESOURCE_FOLDER + "NotoNaskhArabic-Regular.ttf"
);
GlyphLine glyphLine = new GlyphLine(JavaUtil.ArraysAsList(fontProgram.GetGlyphByCode(513), fontProgram.GetGlyphByCode
(75)));
GlyphPositioningTableReader gposTableReader = fontProgram.GetGposTable();
GposLookupType5 lookup = (GposLookupType5)gposTableReader.GetLookupTable(3);
glyphLine.idx = 1;
lookup.TransformOne(glyphLine);
NUnit.Framework.Assert.AreEqual(2, glyphLine.Size());
NUnit.Framework.Assert.AreEqual(513, glyphLine.Get(0).GetCode());
NUnit.Framework.Assert.AreEqual(75, glyphLine.Get(1).GetCode());
NUnit.Framework.Assert.AreEqual(-1, glyphLine.Get(1).GetAnchorDelta());
NUnit.Framework.Assert.AreEqual(-22, glyphLine.Get(1).GetXPlacement());
}
public virtual void TestThatNoTransformationsAppliedForNonRelevantGlyphs()
{
TrueTypeFont fontProgram = (TrueTypeFont)FontProgramFactory.CreateFont(RESOURCE_FOLDER + "NotoNaskhArabic-Regular.ttf"
);
GlyphLine glyphLine = new GlyphLine(JavaUtil.ArraysAsList(fontProgram.GetGlyph('1'), fontProgram.GetGlyphByCode
(75)));
GlyphPositioningTableReader gposTableReader = fontProgram.GetGposTable();
GposLookupType5 lookup = (GposLookupType5)gposTableReader.GetLookupTable(3);
glyphLine.idx = 1;
lookup.TransformOne(glyphLine);
NUnit.Framework.Assert.AreEqual(2, glyphLine.Size());
NUnit.Framework.Assert.AreEqual(1490, glyphLine.Get(0).GetCode());
NUnit.Framework.Assert.AreEqual(75, glyphLine.Get(1).GetCode());
NUnit.Framework.Assert.AreEqual(0, glyphLine.Get(1).GetAnchorDelta());
NUnit.Framework.Assert.AreEqual(0, glyphLine.Get(1).GetXPlacement());
}