private void buttonSave_Click(object sender, EventArgs e)
{
var sfd = new SaveFileDialog();
sfd.Filter = "Jpeg image (*.jpg)|*.jpg|PNG image (*.png)|*.png";
if (sfd.ShowDialog() != DialogResult.OK)
{
return;
}
var ext = Path.GetExtension(sfd.FileName).ToLower();
if (ext == ".jpg")
{
var qualityDialog = new DialogImageQuality();
if (qualityDialog.ShowDialog() != DialogResult.OK)
{
return;
}
var encoder = GetImageEncoder(ImageFormat.Jpeg);
var encoderParams = new EncoderParameters();
encoderParams.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, qualityDialog.Value);
try {
m_thumb.Save(sfd.FileName, encoder, encoderParams);
} catch (Exception ex) {
MessageBox.Show(this, "Failed to save jpeg image to \"" + sfd.FileName + "\".\n\n" + ex.ToString(), "Openplanet", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else if (ext == ".png")
{
try {
m_thumb.Save(sfd.FileName, ImageFormat.Png);
} catch (Exception ex) {
MessageBox.Show(this, "Failed to save png image to \"" + sfd.FileName + "\".\n\n" + ex.ToString(), "Openplanet", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(this, "Unsupported file extension \"" + ext + "\". Use .jpg or .png instead.", "Openplanet", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void ReplaceImage(string fnmSource)
{
var qualityDialog = new DialogImageQuality();
if (qualityDialog.ShowDialog() != DialogResult.OK)
{
return;
}
var encoder = GetImageEncoder(ImageFormat.Jpeg);
var encoderParams = new EncoderParameters();
encoderParams.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, qualityDialog.Value);
var img = Image.FromFile(fnmSource);
byte[] imgBuffer;
using (var imgStream = new MemoryStream()) {
using (var flippedImage = FlipImage(img)) {
flippedImage.Save(imgStream, encoder, encoderParams);
}
imgBuffer = imgStream.ToArray();
}
var newFilename = m_filename + ".openplanet";
var newSize = imgBuffer.Length;
var oldSize = m_thumbSize;
using (var fsOld = new BinaryReader(File.OpenRead(m_filename))) {
fsOld.ReadBytes(3); // 'GBX' (magic identifier)
short version = fsOld.ReadInt16(); // 6 (file version)
if (version != 6)
{
if (MessageBox.Show(this, "Gbx version is " + version + ", which is untested on this tool. Thumbnail substitution might not work. Try anyway? (Not recommended!)", "Openplanet", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.No)
{
return;
}
}
using (var fsNew = new BinaryWriter(File.Create(newFilename))) {
fsNew.Write(Encoding.ASCII.GetBytes("GBX"));
fsNew.Write(version);
fsNew.Write(fsOld.ReadBytes(4)); // 'BUUR' (user generated flags)
var typeID = fsOld.ReadUInt32();
fsNew.Write(typeID);
if (typeID != TYPEID_MAP)
{
MessageBox.Show(this, "This doesn't look like a map file.", "Openplanet", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
int skipOffset = fsOld.ReadInt32(); // Offset to skip all of the following blocks
fsNew.Write(skipOffset + (newSize - oldSize));
int numBlocks = fsOld.ReadInt32(); // Number of blocks for each property
fsNew.Write(numBlocks);
var oldBlocks = new List <Tuple <uint, int> >();
for (int i = 0; i < numBlocks; i++)
{
var blockTypeID = fsOld.ReadUInt32();
var blockSize = fsOld.ReadUInt32();
var actualBlockSize = (int)(blockSize & ~0x80000000);
oldBlocks.Add(new Tuple <uint, int>(blockTypeID, actualBlockSize));
if (blockTypeID == TYPEID_MAP_THUMBNAIL)
{
blockSize = (uint)(actualBlockSize + (newSize - oldSize)) | (blockSize & 0x80000000);
}
fsNew.Write(blockTypeID);
fsNew.Write(blockSize);
}
foreach (var pair in oldBlocks)
{
if (pair.Item1 == TYPEID_MAP_THUMBNAIL)
{
fsNew.Write(1); // ?
fsNew.Write(newSize);
fsNew.Write(Encoding.ASCII.GetBytes("<Thumbnail.jpg>"));
fsNew.Write(imgBuffer);
fsNew.Flush();
fsOld.BaseStream.Seek(m_thumbOffset + oldSize, SeekOrigin.Begin);
WriteToStream(fsOld, fsNew);
break;
}
WriteToStream(fsOld, fsNew, pair.Item2);
}
}
}
File.Delete(m_filename);
File.Move(newFilename, m_filename);
m_thumbSize = newSize;
m_thumb.Dispose();
m_thumb = img;
UpdateInterface();
}
