public static SKVertices CreateCopy(SKVertexMode vmode, SKPoint[] positions, SKPoint[] texs, SKColor[] colors, UInt16[] indices)
{
if (positions == null)
{
throw new ArgumentNullException(nameof(positions));
}
if (texs != null && positions.Length != texs.Length)
{
throw new ArgumentException("The number of texture coordinates must match the number of vertices.", nameof(texs));
}
if (colors != null && positions.Length != colors.Length)
{
throw new ArgumentException("The number of colors must match the number of vertices.", nameof(colors));
}
var vertexCount = positions.Length;
var indexCount = indices?.Length ?? 0;
fixed(SKPoint *p = positions)
fixed(SKPoint * t = texs)
fixed(SKColor * c = colors)
fixed(UInt16 * i = indices)
{
return(GetObject(SkiaApi.sk_vertices_make_copy(vmode, vertexCount, p, t, (uint *)c, indexCount, i)));
}
}
private void DrawOrFillMesh([NotNull] IPaintProvider provider, [NotNull] Triangle[] mesh)
{
using (var paint = provider.Paint.Clone()) {
const SKVertexMode geometryMode = SKVertexMode.Triangles;
var vertices = new SKPoint[mesh.Length * 3];
for (var i = 0; i < mesh.Length; ++i)
{
var j = i * 3;
vertices[j] = mesh[i].Point1.ToSKPoint();
vertices[j + 1] = mesh[i].Point2.ToSKPoint();
vertices[j + 2] = mesh[i].Point3.ToSKPoint();
}
var colors = new SKColor[vertices.Length];
for (var i = 0; i < colors.Length; ++i)
{
colors[i] = SKColors.White;
}
_canvas?.DrawVertices(geometryMode, vertices, colors, paint);
}
SetDirty();
}
public void DrawVertices(SKVertexMode vmode, SKPoint[] vertices, SKPoint[] texs, SKColor[] colors, SKBlendMode mode, UInt16[] indices, SKPaint paint)
{
if (vertices == null)
{
throw new ArgumentNullException(nameof(vertices));
}
if (paint == null)
{
throw new ArgumentNullException(nameof(paint));
}
if (texs != null && vertices.Length != texs.Length)
throw new ArgumentException("The number of texture coordinates must match the number of vertices.", nameof(texs)); }
public void DrawVertices(SKVertexMode vmode, SKPoint[] vertices, SKPoint[] texs, SKColor[] colors, SKBlendMode mode, UInt16[] indices, SKPaint paint)
{
var vert = SKVertices.CreateCopy(vmode, vertices, texs, colors, indices);
DrawVertices(vert, mode, paint);
}
public void DrawVertices(SKVertexMode vmode, SKPoint[] vertices, SKPoint[] texs, SKColor[] colors, SKPaint paint)
{
var vert = SKVertices.CreateCopy(vmode, vertices, texs, colors);
DrawVertices(vert, SKBlendMode.Modulate, paint);
}
public static SKVertices CreateCopy(SKVertexMode vmode, SKPoint[] positions, SKPoint[] texs, SKColor[] colors)
{
return(CreateCopy(vmode, positions, texs, colors, null));
}
public void DrawVertices(SKVertexMode vmode, SKPoint[] vertices, SKPoint[] texs, SKColor[] colors, UInt16[] indices, SKPaint paint)
{
DrawVertices(vmode, vertices, texs, colors, SKBlendMode.Modulate, indices, paint);
}
public void DrawVertices(SKVertexMode vmode, SKPoint[] vertices, SKPoint[] texs, SKColor[] colors, SKPaint paint)
{
DrawVertices(vmode, vertices, texs, colors, null, paint);
}