/////////////////////////////////////////
/// <summary>
/// Loads an image file.
/// </summary>
/// <param name="virtualFileName">The virtual file name.</param>
/// <param name="data">The image data.</param>
/// <param name="size">The image size.</param>
/// <param name="depth">The image depth (in 3d images, numbers of layers, otherwhise 1).</param>
/// <param name="format">Pixel format.</param>
/// <param name="numFaces">The number of faces the image data has inside (6 for cubemaps, 1 otherwise).</param>
/// <param name="numMipmaps">The number of mipmaps the image data has inside.</param>
/// <param name="error">Output error string.</param>
/// <returns><b>true</b> if image is loaded; otherwise, <b>false</b>.</returns>
public static bool LoadFromVirtualFile(string virtualFileName, out byte[] data, out Vector2I size, out int depth,
out PixelFormat format, out int numFaces, out int numMipmaps, out string error)
{
unsafe
{
IntPtr pData;
int dataSize;
int width;
int height;
IntPtr errPointer;
bool result = OgreImageManager.loadFromFile(RenderingSystem.realRoot, virtualFileName, out pData,
out dataSize, out width, out height, out depth, out format, out numFaces,
out numMipmaps, out errPointer);
string err = OgreNativeWrapper.GetOutString(errPointer);
error = null;
data = null;
size = new Vector2I(width, height);
if (err != null)
{
error = string.Format("Loading file failed \"{0}\" ({1}).", virtualFileName, err);
}
if (pData != IntPtr.Zero)
{
data = new byte[dataSize];
Marshal.Copy(pData, data, 0, data.Length);
OgreImageManager.freeData(RenderingSystem.realRoot, pData);
}
return(result);
}
}
/// <summary>
/// Loads an image from buffer.
/// </summary>
/// <param name="sourceBuffer">The source buffer.</param>
/// <param name="fileType">The file type (file extension).</param>
/// <param name="data">The image data.</param>
/// <param name="size">The image size.</param>
/// <param name="depth">The image depth (in 3d images, numbers of layers, otherwhise 1).</param>
/// <param name="format">Pixel format.</param>
/// <param name="numFaces">The number of faces the image data has inside (6 for cubemaps, 1 otherwise).</param>
/// <param name="numMipmaps">The number of mipmaps the image data has inside.</param>
/// <param name="error">Output error string.</param>
/// <returns><b>true</b> if image is loaded; otherwise, <b>false</b>.</returns>
public static bool LoadFromBuffer(byte[] sourceBuffer, string fileType, out byte[] data,
out Vector2I size, out int depth, out PixelFormat format, out int numFaces,
out int numMipmaps, out string error)
{
unsafe
{
IntPtr pData;
int dataSize;
int width;
int height;
IntPtr errPointer;
bool result;
fixed(byte *pSourceBuffer = sourceBuffer)
{
result = OgreImageManager.loadFromBuffer(RenderingSystem.realRoot,
(IntPtr)pSourceBuffer, sourceBuffer.Length, fileType, out pData, out dataSize,
out width, out height, out depth, out format, out numFaces, out numMipmaps,
out errPointer);
}
string err = OgreNativeWrapper.GetOutString(errPointer);
error = null;
data = null;
size = new Vector2I(width, height);
if (err != null)
{
error = string.Format("Loading file from buffer failed ({0}).", err);
}
if (pData != IntPtr.Zero)
{
data = new byte[dataSize];
Marshal.Copy(pData, data, 0, data.Length);
OgreImageManager.freeData(RenderingSystem.realRoot, pData);
}
return(result);
}
}
