private void ReplaceImgBtn_Click(object sender, EventArgs e)
{
var text = KeyGenerator.OpenOrSaveFile("Select the image file to replace the texture.",
"All Supported Formats|*.dds;*.bmp;*.jpg;*.gif;*.png|DDS Texture|*.dds|Bitmap|*.bmp|JPEG|*.jpg|Graphics Interchange Format|*.gif|Portable Network Graphics|*.png",
true);
if (text == "")
{
return;
}
Image image;
if (text.EndsWith(".dds", StringComparison.OrdinalIgnoreCase))
{
image = new DdsTexture(text).GetImage();
}
else
{
image = Image.FromFile(text);
}
if (!image.Size.Equals(_size0) && DialogResult.Yes ==
MessageBox.Show(
"The image dimensions don't match. Do you wish scale to the original dimension? (Ratio may change!)",
"Replace Texture", MessageBoxButtons.YesNo))
{
image = KeyGenerator.ScaleImage(image, _size0);
}
_currentTexFile.ReplaceTexture(_imgList.SelectedIndex, image, _currentTexturePixelFormat);
_rebuildBtn.Enabled = true;
}
/// <summary>
/// Decode BMP Header.
/// </summary>
/// <param name="reader">Binary reader.</param>
/// <param name="databoxes">Databoxes array.</param>
/// <param name="description">Image Description.</param>
public unsafe void DecodeData(BinaryReader reader, out DataBox[] databoxes, out ImageDescription description)
{
reader.BaseStream.Seek(0, SeekOrigin.Begin);
byte[] bytes = reader.ReadBytes((int)reader.BaseStream.Length);
DdsTexture dds = new DdsTexture(bytes);
uint faces = 1;
if (dds.MiscFlags10.HasFlag(ResourceMiscFlags.TextureCube))
{
faces = 6;
}
description = new ImageDescription()
{
imageFormat = ImageFormat.DDS,
Width = (uint)dds.Width,
Height = (uint)dds.Height,
Depth = (uint)dds.Depth,
MipLevels = (uint)dds.MipInfos.Length,
ArraySize = (uint)dds.Data.Length / faces,
Faces = faces,
pixelFormat = (WaveEngine.Common.Graphics.PixelFormat)dds.DxgiFormat,
};
databoxes = new DataBox[description.ArraySize * description.Faces * description.MipLevels];
for (uint i = 0; i < description.ArraySize; i++)
{
for (uint j = 0; j < description.Faces; j++)
{
byte[] data = dds.Data[(i * description.Faces) + j];
GCHandle pinnedHandle = GCHandle.Alloc(data, GCHandleType.Pinned);
IntPtr dataPointer = Marshal.UnsafeAddrOfPinnedArrayElement(data, 0);
for (uint z = 0; z < description.MipLevels; z++)
{
ImageMipInfo mipInfo = dds.MipInfos[z];
uint slicePitch = (uint)mipInfo.SizeInBytes;
uint rowPitch = slicePitch / (uint)mipInfo.Height;
uint index = (i * description.Faces) + (j * description.MipLevels) + z;
databoxes[index] = new DataBox(IntPtr.Add(dataPointer, (int)mipInfo.OffsetInBytes), rowPitch, slicePitch);
}
pinnedHandle.Free();
}
}
}
