public void RemoveMiddleDataFromStream()
{
string outPath =
TestAssetPaths.GetOutPath(TestAssetPaths.GLB_BOX_OUT_PATH_TEMPLATE, 3, TestAssetPaths.GLB_EXTENSION);
FileStream glbStream = File.OpenRead(TestAssetPaths.GLB_BOX_PATH);
FileStream glbOutStream = new FileStream(outPath, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite);
GLBObject glbObject = GLBBuilder.ConstructFromStream(glbStream, glbOutStream);
const uint numBuffersToAdd = 5;
const uint bufferSize = 100;
BufferViewId[] bufferViews = new BufferViewId[numBuffersToAdd];
for (int i = 0; i < numBuffersToAdd; ++i)
{
byte[] buffer = new byte[bufferSize];
bufferViews[i] = AddBinaryDataToStreamHelper(glbObject, new MemoryStream(buffer));
}
uint previousFileLength = glbObject.Header.FileLength;
uint previousBufferLength = glbObject.BinaryChunkInfo.Length;
int previousBufferViewCount = glbObject.Root.BufferViews.Count;
GLBBuilder.RemoveBinaryData(glbObject, bufferViews[2]); // remove from the middle
Assert.AreEqual(previousFileLength, glbObject.Header.FileLength);
Assert.AreEqual(previousBufferLength, glbObject.BinaryChunkInfo.Length);
Assert.AreEqual(previousBufferViewCount - 1, glbObject.Root.BufferViews.Count);
}
public void RemoveAllDataFromStream()
{
string outPath =
TestAssetPaths.GetOutPath(TestAssetPaths.GLB_BOX_OUT_PATH_TEMPLATE, 3, TestAssetPaths.GLB_EXTENSION);
FileStream glbStream = File.OpenRead(TestAssetPaths.GLB_BOX_PATH);
FileStream glbOutStream = new FileStream(outPath, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite);
GLBObject glbObject = GLBBuilder.ConstructFromStream(glbStream, glbOutStream);
BufferViewId id0 = new BufferViewId
{
Id = 0,
Root = glbObject.Root
};
int numBufferViews = glbObject.Root.BufferViews.Count;
for (int i = 0; i < numBufferViews; ++i)
{
GLBBuilder.RemoveBinaryData(glbObject, id0);
}
Assert.AreEqual(0, glbObject.Root.Buffers.Count);
Assert.AreEqual(0, glbObject.Root.BufferViews.Count);
}
public void RemoveBinaryDataFromStream()
{
string outPath =
TestAssetPaths.GetOutPath(TestAssetPaths.GLB_BOX_OUT_PATH_TEMPLATE, 2, TestAssetPaths.GLB_EXTENSION);
FileStream glbStream = File.OpenRead(TestAssetPaths.GLB_BOX_PATH);
FileStream glbOutStream = new FileStream(outPath, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite);
GLBObject glbObject = GLBBuilder.ConstructFromStream(glbStream, glbOutStream);
const uint bufferSize = 100;
byte[] buffer = new byte[bufferSize];
BufferViewId bufferViewId = AddBinaryDataToStreamHelper(glbObject, new MemoryStream(buffer));
uint length = (uint)bufferViewId.Value.ByteLength;
uint previousFileLength = glbObject.Header.FileLength;
uint previousBufferLength = glbObject.BinaryChunkInfo.Length;
int previousBufferViewCount = glbObject.Root.BufferViews.Count;
GLBBuilder.RemoveBinaryData(glbObject, bufferViewId);
Assert.AreEqual(previousFileLength - length, glbObject.Header.FileLength);
Assert.AreEqual(previousBufferLength - length, glbObject.BinaryChunkInfo.Length);
Assert.AreEqual(previousBufferLength - length, (uint)glbObject.Root.Buffers[0].ByteLength);
Assert.AreEqual(previousBufferViewCount - 1, glbObject.Root.BufferViews.Count);
}
