protected virtual void SetupVertices()
{
Texture texture = Style.Texture;
VertexData vertexData = VertexData;
IndexData indexData = IndexData;
indexData.NumIndices = 0;
indexData.AddQuad(0, 1, 2, 3);
if (vertexData.NumVertices != 4)
{
vertexData.NumVertices = 4;
}
if (Texture != null)
{
texture.SetupVertexPositions(vertexData, 0, _bounds);
texture.SetupTextureCoordinates(vertexData);
}
else
{
vertexData.SetPoint(0, _bounds.Left, _bounds.Top);
vertexData.SetPoint(1, _bounds.Right, _bounds.Top);
vertexData.SetPoint(2, _bounds.Left, _bounds.Bottom);
vertexData.SetPoint(3, _bounds.Right, _bounds.Bottom);
vertexData.SetTexCoords(0, 0.0f, 0.0f);
vertexData.SetTexCoords(1, 1.0f, 0.0f);
vertexData.SetTexCoords(2, 0.0f, 1.0f);
vertexData.SetTexCoords(3, 1.0f, 1.0f);
}
SetRequiresRedraw();
}
public FilterQuad(TextureSmoothing smoothing) : base(new VertexData(4), new IndexData())
{
IndexData.AddQuad(0, 1, 2, 3);
VertexData.Colorize(0xFFFFFF, 1.0f);
TextureSmoothing = smoothing;
PixelSnapping = false;
}
public void testAppendQuad()
{
var indexData = new IndexData();
// basic quad data
indexData.AddQuad(0, 1, 2, 3);
indexData.AddQuad(4, 5, 6, 7);
Assert.IsTrue(indexData.UseQuadLayout);
Assert.AreEqual(2, indexData.NumQuads);
Assert.AreEqual(4, indexData.NumTriangles);
Assert.AreEqual(12, indexData.NumIndices);
Assert.AreEqual(0, indexData.GetIndex(0));
Assert.AreEqual(1, indexData.GetIndex(1));
Assert.AreEqual(2, indexData.GetIndex(2));
Assert.AreEqual(1, indexData.GetIndex(3));
Assert.AreEqual(3, indexData.GetIndex(4));
Assert.AreEqual(2, indexData.GetIndex(5));
Assert.AreEqual(4, indexData.GetIndex(6));
Assert.AreEqual(5, indexData.GetIndex(7));
Assert.AreEqual(6, indexData.GetIndex(8));
Assert.AreEqual(5, indexData.GetIndex(9));
Assert.AreEqual(7, indexData.GetIndex(10));
Assert.AreEqual(6, indexData.GetIndex(11));
indexData.NumTriangles = 0;
Assert.AreEqual(0, indexData.NumIndices);
Assert.AreEqual(0, indexData.NumQuads);
// arbitrary data
indexData.AddQuad(0, 1, 3, 2);
Assert.IsFalse(indexData.UseQuadLayout);
Assert.AreEqual(1, indexData.NumQuads);
Assert.AreEqual(2, indexData.NumTriangles);
Assert.AreEqual(6, indexData.NumIndices);
Assert.AreEqual(0, indexData.GetIndex(0));
Assert.AreEqual(1, indexData.GetIndex(1));
Assert.AreEqual(3, indexData.GetIndex(2));
Assert.AreEqual(1, indexData.GetIndex(3));
Assert.AreEqual(2, indexData.GetIndex(4));
Assert.AreEqual(3, indexData.GetIndex(5));
}
public void TestTexCoords()
{
Texture rootTexture = new MockTexture(100, 100);
Texture subTexture = Texture.FromTexture(rootTexture, Rectangle.Create(50, 50, 50, 50));
VertexData vertexData = new VertexData();
vertexData.SetPoint(0, 0, 0);
vertexData.SetPoint(1, 1, 0);
vertexData.SetPoint(2, 0, 1);
vertexData.SetPoint(3, 1, 1);
vertexData.SetTexCoords(0, 0, 0);
vertexData.SetTexCoords(1, 1, 0);
vertexData.SetTexCoords(2, 0, 1);
vertexData.SetTexCoords(3, 1, 1);
IndexData indexData = new IndexData();
indexData.AddQuad(0, 1, 2, 3);
Mesh mesh = new Mesh(vertexData, indexData);
ComparePoints(Point.Create(0, 0), mesh.GetTexCoords(0));
ComparePoints(Point.Create(1, 1), mesh.GetTexCoords(3));
mesh.Texture = subTexture; // should change internal texture coordinates
ComparePoints(Point.Create(0, 0), mesh.GetTexCoords(0));
ComparePoints(Point.Create(1, 1), mesh.GetTexCoords(3));
ComparePoints(Point.Create(0.5f, 0.5f), vertexData.GetTexCoords(0));
ComparePoints(Point.Create(1.0f, 1.0f), vertexData.GetTexCoords(3));
mesh.SetTexCoords(2, 0.25f, 0.75f);
ComparePoints(Point.Create(0.25f, 0.75f), mesh.GetTexCoords(2));
ComparePoints(Point.Create(0.625f, 0.875f), vertexData.GetTexCoords(2));
mesh.Texture = rootTexture;
ComparePoints(Point.Create(0f, 0f), mesh.GetTexCoords(0));
ComparePoints(Point.Create(1f, 1f), mesh.GetTexCoords(3));
ComparePoints(Point.Create(0f, 0f), vertexData.GetTexCoords(0));
ComparePoints(Point.Create(1f, 1f), vertexData.GetTexCoords(3));
ComparePoints(Point.Create(0.25f, 0.75f), vertexData.GetTexCoords(2));
}
public void testCopyTo()
{
// arbitrary data -> arbitrary data
var source = new IndexData();
source.AddTriangle(1, 2, 3);
source.AddTriangle(4, 5, 6);
var target = new IndexData();
target.AddTriangle(7, 8, 9);
source.CopyTo(target, 0, 0, 3, 3);
Assert.AreEqual(3, target.NumIndices);
Assert.AreEqual(4, target.GetIndex(0));
Assert.AreEqual(5, target.GetIndex(1));
Assert.AreEqual(6, target.GetIndex(2));
source.CopyTo(target, 3);
Assert.AreEqual(9, target.NumIndices);
// quad data -> quad data
source.Clear();
target.Clear();
source.AddTriangle(0, 1, 2);
target.AddQuad(0, 1, 2, 3);
source.CopyTo(target, 6, 4);
Assert.IsTrue(target.UseQuadLayout);
Assert.AreEqual(9, target.NumIndices);
Assert.AreEqual(2, target.GetIndex(5));
Assert.AreEqual(4, target.GetIndex(6));
Assert.AreEqual(5, target.GetIndex(7));
Assert.AreEqual(6, target.GetIndex(8));
// quad data -> arbitrary data
target.Clear();
target.AddQuad(1, 2, 3, 4);
source.CopyTo(target, 6, 4);
Assert.IsTrue(source.UseQuadLayout);
Assert.IsFalse(target.UseQuadLayout);
Assert.AreEqual(9, target.NumIndices);
Assert.AreEqual(3, target.GetIndex(5));
Assert.AreEqual(4, target.GetIndex(6));
Assert.AreEqual(5, target.GetIndex(7));
Assert.AreEqual(6, target.GetIndex(8));
// arbitrary data -> quad data
source.Clear();
source.AddTriangle(1, 2, 3);
target.Clear();
target.AddQuad(0, 1, 2, 3);
source.CopyTo(target, 6, 4);
Assert.IsFalse(source.UseQuadLayout);
Assert.IsFalse(target.UseQuadLayout);
Assert.AreEqual(9, target.NumIndices);
Assert.AreEqual(2, target.GetIndex(5));
Assert.AreEqual(5, target.GetIndex(6));
Assert.AreEqual(6, target.GetIndex(7));
Assert.AreEqual(7, target.GetIndex(8));
}
