/// <summary>
/// Populates the <seealso cref="AssetData"/> byte array with a JPEG2000
/// encoded image created from the data in <seealso cref="Image"/>
/// </summary>
public override void Encode()
{
using (var writer = new OpenJpegDotNet.IO.Writer(Image.ExportBitmap()))
{
AssetData = writer.Encode();
}
}
void LoadImage(ModelMaterial material)
{
var fname = System.IO.Path.Combine(System.IO.Path.GetDirectoryName(FileName), material.Texture);
try
{
string ext = System.IO.Path.GetExtension(material.Texture).ToLower();
Bitmap bitmap = null;
switch (ext)
{
case ".jp2":
case ".j2c":
material.TextureData = File.ReadAllBytes(fname);
return;
case ".tga":
bitmap = LoadTGAClass.LoadTGA(fname);
break;
default:
bitmap = (Bitmap)Image.FromFile(fname);
break;
}
int width = bitmap.Width;
int height = bitmap.Height;
// Handle resizing to prevent excessively large images and irregular dimensions
if (!IsPowerOfTwo((uint)width) || !IsPowerOfTwo((uint)height) || width > 1024 || height > 1024)
{
var origWidth = width;
var origHieght = height;
width = ClosestPowerOwTwo(width);
height = ClosestPowerOwTwo(height);
width = width > 1024 ? 1024 : width;
height = height > 1024 ? 1024 : height;
Logger.Log("Image has irregular dimensions " + origWidth + "x" + origHieght + ". Resizing to " + width + "x" + height, Helpers.LogLevel.Info);
Bitmap resized = new Bitmap(width, height, bitmap.PixelFormat);
Graphics graphics = Graphics.FromImage(resized);
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.InterpolationMode =
InterpolationMode.HighQualityBicubic;
graphics.DrawImage(bitmap, 0, 0, width, height);
bitmap.Dispose();
bitmap = resized;
}
using (var writer = new OpenJpegDotNet.IO.Writer(bitmap))
{
material.TextureData = writer.Encode();
}
Logger.Log("Successfully encoded " + fname, Helpers.LogLevel.Info);
}
catch (Exception ex)
{
Logger.Log("Failed loading " + fname + ": " + ex.Message, Helpers.LogLevel.Warning);
}
}
public void LoadImage(string fname)
{
FileName = fname;
if (string.IsNullOrEmpty(FileName))
{
return;
}
txtStatus.AppendText("Loading..." + Environment.NewLine);
string extension = Path.GetExtension(FileName).ToLower();
try
{
Bitmap bitmap = null;
switch (extension)
{
case ".jp2":
case ".j2c":
// Upload JPEG2000 images untouched
UploadData = File.ReadAllBytes(FileName);
using (var reader = new OpenJpegDotNet.IO.Reader(UploadData))
{
if (reader.ReadHeader())
{
bitmap = reader.DecodeToBitmap();
}
}
txtStatus.AppendText("Loaded raw JPEG2000 data " + FileName + Environment.NewLine);
break;
case ".tga":
bitmap = LoadTGAClass.LoadTGA(FileName);
break;
default:
bitmap = Image.FromFile(FileName) as Bitmap;
break;
}
if (bitmap == null)
{
txtStatus.AppendText("Failed to load image " + FileName + Environment.NewLine);
return;
}
txtStatus.AppendText("Loaded image " + FileName + Environment.NewLine);
int width = bitmap.Width;
int height = bitmap.Height;
// Handle resizing to prevent excessively large images and irregular dimensions
if (!IsPowerOfTwo((uint)width) || !IsPowerOfTwo((uint)height) || width > 1024 || height > 1024)
{
txtStatus.AppendText("Image has irregular dimensions " + width + "x" + height + Environment.NewLine);
width = ClosestPowerOwTwo(width);
height = ClosestPowerOwTwo(height);
width = width > 1024 ? 1024 : width;
height = height > 1024 ? 1024 : height;
txtStatus.AppendText("Resizing to " + width + "x" + height + Environment.NewLine);
Bitmap resized = new Bitmap(width, height, bitmap.PixelFormat);
Graphics graphics = Graphics.FromImage(resized);
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
graphics.InterpolationMode =
System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
graphics.DrawImage(bitmap, 0, 0, width, height);
bitmap.Dispose();
bitmap = resized;
}
txtStatus.AppendText("Encoding image..." + Environment.NewLine);
using (var writer = new OpenJpegDotNet.IO.Writer(bitmap))
{
var cp = new OpenJpegDotNet.CompressionParameters();
OpenJpegDotNet.OpenJpeg.SetDefaultEncoderParameters(cp);
cp.CodingParameterDistortionAllocation = 1;
if (chkLossless.Checked)
{
cp.TcpNumLayers = 1;
cp.TcpRates[0] = 0;
}
else
{
cp.TcpNumLayers = 5;
cp.TcpRates[0] = 1920;
cp.TcpRates[1] = 480;
cp.TcpRates[2] = 120;
cp.TcpRates[3] = 30;
cp.TcpRates[4] = 10;
cp.Irreversible = true;
cp.TcpMCT = 1;
}
writer.SetupEncoderParameters(cp);
UploadData = writer.Encode();
}
txtStatus.AppendText("Finished encoding." + Environment.NewLine);
ImageLoaded = true;
UpdateButtons();
txtAssetID.Text = UUID.Zero.ToString();
pbPreview.Image = bitmap;
lblSize.Text = string.Format("{0}x{1} {2} KB", bitmap.Width, bitmap.Height, Math.Round((double)UploadData.Length / 1024.0d, 2));
}
catch (Exception ex)
{
UploadData = null;
btnSave.Enabled = false;
btnUpload.Enabled = false;
txtStatus.AppendText(string.Format("Failed to load the image:" + Environment.NewLine
+ "{0}" + Environment.NewLine, ex.Message));
}
}
