private glTFLoader.Schema.Image GetImageFromBitmapText(Bitmap bitmap)
{
byte[] imageBytes = GetImageBytes(bitmap);
var textureBuffer = new glTFLoader.Schema.Buffer();
textureBuffer.Uri = Constants.TextBufferHeader + Convert.ToBase64String(imageBytes);
textureBuffer.ByteLength = imageBytes.Length;
int textureBufferIdx = dummy.Buffers.AddAndReturnIndex(textureBuffer);
// Create bufferviews
var textureBufferView = new glTFLoader.Schema.BufferView()
{
Buffer = textureBufferIdx,
ByteOffset = 0,
ByteLength = textureBuffer.ByteLength,
};
int textureBufferViewIdx = dummy.BufferViews.AddAndReturnIndex(textureBufferView);
return(new glTFLoader.Schema.Image()
{
BufferView = textureBufferViewIdx,
MimeType = glTFLoader.Schema.Image.MimeTypeEnum.image_png,
});
}
private glTFLoader.Schema.Image GetImageFromFileText(string fileName)
{
byte[] imageBytes = GetImageBytesFromFile(fileName);
var textureBuffer = new glTFLoader.Schema.Buffer()
{
Uri = Constants.TextBufferHeader + Convert.ToBase64String(imageBytes),
ByteLength = imageBytes.Length,
};
int textureBufferIdx = dummy.Buffers.AddAndReturnIndex(textureBuffer);
var textureBufferView = new glTFLoader.Schema.BufferView()
{
Buffer = textureBufferIdx,
ByteOffset = 0,
ByteLength = textureBuffer.ByteLength,
};
int textureBufferViewIdx = dummy.BufferViews.AddAndReturnIndex(textureBufferView);
return(new glTFLoader.Schema.Image()
{
BufferView = textureBufferViewIdx,
MimeType = glTFLoader.Schema.Image.MimeTypeEnum.image_png,
});
}
int GetVertexColorBuffer(MeshVertexColorList vertexColors, out Color4f min, out Color4f max, out int byteLength)
{
byte[] bytes = GetVertexColorBytes(vertexColors, out min, out max);
glTFLoader.Schema.Buffer vertexColorsBuffer = new glTFLoader.Schema.Buffer()
{
Uri = Constants.TextBufferHeader + Convert.ToBase64String(bytes),
ByteLength = bytes.Length,
};
byteLength = bytes.Length;
return(dummy.Buffers.AddAndReturnIndex(vertexColorsBuffer));
}
int GetTextureCoordinatesBuffer(MeshTextureCoordinateList textureCoordinates, out Point2f min, out Point2f max, out int byteLength)
{
byte[] bytes = GetTextureCoordinatesBytes(textureCoordinates, out min, out max);
glTFLoader.Schema.Buffer textureCoordinatesBuffer = new glTFLoader.Schema.Buffer()
{
Uri = Constants.TextBufferHeader + Convert.ToBase64String(bytes),
ByteLength = bytes.Length,
};
byteLength = bytes.Length;
return(dummy.Buffers.AddAndReturnIndex(textureCoordinatesBuffer));
}
int GetNormalsBuffer(MeshVertexNormalList normals, out Vector3f min, out Vector3f max, out int byteLength)
{
byte[] bytes = GetNormalsBytes(normals, out min, out max);
byteLength = bytes.Length;
glTFLoader.Schema.Buffer normalBuffer = new glTFLoader.Schema.Buffer()
{
Uri = Constants.TextBufferHeader + Convert.ToBase64String(bytes),
ByteLength = bytes.Length,
};
return(dummy.Buffers.AddAndReturnIndex(normalBuffer));
}
private int GetIndicesBuffer(MeshFaceList faces, out int indicesCount, out int byteLength)
{
byte[] bytes = GetIndicesBytes(faces, out indicesCount);
byteLength = bytes.Length;
glTFLoader.Schema.Buffer indicesBuffer = new glTFLoader.Schema.Buffer()
{
Uri = Constants.TextBufferHeader + Convert.ToBase64String(bytes),
ByteLength = bytes.Length,
};
return(dummy.Buffers.AddAndReturnIndex(indicesBuffer));
}
private int GetVertexBuffer(MeshVertexList vertices, out Point3d min, out Point3d max, out int length)
{
byte[] bytes = GetVertexBytes(vertices, out min, out max);
length = bytes.Length;
glTFLoader.Schema.Buffer buffer = new glTFLoader.Schema.Buffer()
{
Uri = Constants.TextBufferHeader + Convert.ToBase64String(bytes),
ByteLength = length,
};
return(dummy.Buffers.AddAndReturnIndex(buffer));
}
public void WriteDracoBytes(byte[] bytes, out int bufferIndex, out int byteOffset, out int byteLength)
{
byteLength = bytes.Length;
if (binary)
{
byteOffset = (int)binaryBuffer.Count;
binaryBuffer.AddRange(bytes);
bufferIndex = 0;
}
else
{
glTFLoader.Schema.Buffer buffer = new glTFLoader.Schema.Buffer()
{
Uri = Constants.TextBufferHeader + Convert.ToBase64String(bytes),
ByteLength = bytes.Length,
};
bufferIndex = dummy.Buffers.AddAndReturnIndex(buffer);
byteOffset = 0;
}
}
