public void ShouldGetARightMeshAfterAppendingATextMesh()
{
var style = GUIStyle.Default;
var state = GUIState.Normal;
var fontFamily = style.Get <string>(GUIStyleName.FontFamily, state);
var fontSize = style.Get <double>(GUIStyleName.FontSize, state);
var fontStretch = (FontStretch)style.Get <int>(GUIStyleName.FontStretch, state);
var fontStyle = (FontStyle)style.Get <int>(GUIStyleName.FontStyle, state);
var fontWeight = (FontWeight)style.Get <int>(GUIStyleName.FontWeight, state);
var textAlignment = (TextAlignment)style.Get <int>(GUIStyleName.TextAlignment, state);
var rect = new Rect(0, 0, 200, 200);
var textContext = Application.platformContext.CreateTextContext(
"ij = I::oO(0xB81l);",
fontFamily, (int)fontSize, fontStretch, fontStyle, fontWeight,
(int)Math.Ceiling(rect.Size.Width), (int)Math.Ceiling(rect.Size.Height),
textAlignment);
var textMesh = new TextMesh();
textMesh.Build(Point.Zero, style, textContext);
var anotherTextContext = Application.platformContext.CreateTextContext(
"auto-sized",
fontFamily, (int)fontSize, fontStretch, fontStyle, fontWeight,
200, 200,
textAlignment);
var anotherTextMesh = new TextMesh();
anotherTextMesh.Build(new Point(50, 100), style, anotherTextContext);
DrawList drawList = new DrawList();
var expectedVertexCount = 0;
var expectedIndexCount = 0;
drawList.AddRectFilled(Point.Zero, new Point(200, 100), Color.Metal);
expectedVertexCount += 4;
expectedIndexCount += 6;
Assert.Equal(drawList.DrawBuffer.VertexBuffer.Count, expectedVertexCount);
Assert.Equal(drawList.DrawBuffer.IndexBuffer.Count, expectedIndexCount);
drawList.Append(textMesh, Vector.Zero);
expectedVertexCount += textMesh.VertexBuffer.Count;
expectedIndexCount += textMesh.IndexBuffer.Count;
Assert.Equal(drawList.DrawBuffer.VertexBuffer.Count, expectedVertexCount);
Assert.Equal(drawList.DrawBuffer.IndexBuffer.Count, expectedIndexCount);
drawList.AddRectFilled(new Point(0, 110), new Point(200, 150), Color.Metal);
expectedVertexCount += 4;
expectedIndexCount += 6;
Assert.Equal(drawList.DrawBuffer.VertexBuffer.Count, expectedVertexCount);
Assert.Equal(drawList.DrawBuffer.IndexBuffer.Count, expectedIndexCount);
drawList.AddRectFilled(new Point(0, 160), new Point(200, 200), Color.Metal);
expectedVertexCount += 4;
expectedIndexCount += 6;
Assert.Equal(drawList.DrawBuffer.VertexBuffer.Count, expectedVertexCount);
Assert.Equal(drawList.DrawBuffer.IndexBuffer.Count, expectedIndexCount);
drawList.Append(anotherTextMesh, Vector.Zero);
expectedVertexCount += anotherTextMesh.VertexBuffer.Count;
expectedIndexCount += anotherTextMesh.IndexBuffer.Count;
Assert.Equal(drawList.DrawBuffer.VertexBuffer.Count, expectedVertexCount);
Assert.Equal(drawList.DrawBuffer.IndexBuffer.Count, expectedIndexCount);
var objFilePath = "D:\\TextRenderingTest_ShouldGetARightMeshAfterAppendingATextMesh.obj";
Utility.SaveToObjFile(objFilePath, drawList.DrawBuffer.VertexBuffer, drawList.DrawBuffer.IndexBuffer);
Process.Start(ModelViewerPath, objFilePath);
}