/// <summary>
/// Creates a Blp2 object from the specified file path.
/// </summary>
/// <param name="filename">A file path that contains the data of a Blp2 or System.Drawing.Image picture.</param>
/// <returns>Blp2 object containing the image of the file.</returns>
/// <exception cref=""></exception>
public static Blp2 FromFile(string filename)
{
using (FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read)) {
Blp2 ret = FromStream(fs);
return(ret);
}
}
/// <summary>
/// Creates a Blp2 object from the specified data stream.
/// </summary>
/// <param name="stream">A stream that contains the data of a Blp2 or System.Drawing.Image picture.</param>
/// <returns>Blp2 object containing the image of the stream.</returns>
/// <exception cref=""></exception>
public static Blp2 FromStream(Stream stream)
{
using (BinaryReader br = new BinaryReader(stream)) {
Blp2Header header = Blp2Header.FromBinaryReader(br);
Blp2 ret = new Blp2();
if (new string(header.fourCC) == "BLP2")
{
ret.bmp = new Bitmap((int)header.width, (int)header.height, PixelFormat.Format32bppArgb);
BitmapData bmpData = ret.bmp.LockBits(new Rectangle(0, 0, ret.bmp.Width, ret.bmp.Height), ImageLockMode.ReadWrite, ret.bmp.PixelFormat);
byte[] imgData = new byte[header.lengths[0]];
br.BaseStream.Seek(header.offsets[0], SeekOrigin.Begin);
imgData = br.ReadBytes(imgData.Length);
// BLP2 conversion
if (header.type == DataType.Uncompressed_DirectX && header.encoding == Encoding.RAW1 &&
(header.alphaDepth == AlphaDepth.NoAlpha || header.alphaDepth == AlphaDepth.Alpha1Bit || header.alphaDepth == AlphaDepth.Alpha8Bit))
{
// Uncompressed paletted image
ret.format = FileFormat.Raw;
// Load palette (4-byte BGRA color values)
br.BaseStream.Seek(Marshal.SizeOf(typeof(Blp2Header)), SeekOrigin.Begin);
byte[] colorData = br.ReadBytes(256 * 4);
Color[] c = new Color[256];
for (int i = 0; i < 1024; i += 4)
{
c[i / 4] = Color.FromArgb(255, colorData[i], colorData[i + 1], colorData[i + 2]);
}
// Read indexed bitmap
byte[] decompImgData = new byte[header.width * header.height * 4];
for (int i = 0; i < (header.width * header.height); i++)
{
decompImgData[i * 4] = c[imgData[i]].R;
decompImgData[i * 4 + 1] = c[imgData[i]].G;
decompImgData[i * 4 + 2] = c[imgData[i]].B;
decompImgData[i * 4 + 3] = 255;
}
// Apply alpha channels
if (header.alphaDepth == AlphaDepth.Alpha8Bit)
{
// 8-bits alpha
br.BaseStream.Seek(header.offsets[0] + header.width * header.height, SeekOrigin.Begin);
byte[] alphaData = br.ReadBytes((int)(header.width * header.height));
for (int i = 0; i < (header.width * header.height); i++)
{
decompImgData[i * 4 + 3] = alphaData[i];
}
}
else if (header.alphaDepth == AlphaDepth.Alpha1Bit)
{
// 1-bits alpha
br.BaseStream.Seek(header.offsets[0] + (header.width * header.height), SeekOrigin.Begin);
byte[] alphaData = br.ReadBytes((int)(header.width * header.height / 8));
for (int i = 0; i < (header.width * header.height / 8); i++)
{
for (int j = 0; j < 8; j++)
{
decompImgData[i * 32 + ((j + 1) * 4) - 1] = (byte)((alphaData[i] & 1 << j) == 1 << j ? 255 : 0);
}
}
}
Marshal.Copy(decompImgData, 0, bmpData.Scan0, decompImgData.Length);
}
else if (header.type == DataType.Uncompressed_DirectX && header.encoding == Encoding.RAW3 &&
(header.alphaDepth == AlphaDepth.NoAlpha || header.alphaDepth == AlphaDepth.Alpha1Bit || header.alphaDepth == AlphaDepth.Alpha8Bit))
{
// Uncompressed BGRA image
ret.format = FileFormat.Raw;
Marshal.Copy(imgData, 0, bmpData.Scan0, imgData.Length);
}
else if (header.type == DataType.Uncompressed_DirectX && header.encoding == Encoding.DXT &&
(header.alphaEncoding == AlphaEncoding.DXT1 || header.alphaEncoding == AlphaEncoding.DXT3 || header.alphaEncoding == AlphaEncoding.DXT5))
{
// DXT1/3/5
ret.format = FileFormat.Dxt;
byte[] decompImgData = new byte[header.width * header.height * 4];
LibSquish.DxtFormat flags = 0;
switch (header.alphaEncoding)
{
case AlphaEncoding.DXT1:
flags = LibSquish.DxtFormat.Dxt1;
break;
case AlphaEncoding.DXT3:
flags = LibSquish.DxtFormat.Dxt3;
break;
case AlphaEncoding.DXT5:
flags = LibSquish.DxtFormat.Dxt5;
break;
}
LibSquish.DecompressImage(decompImgData, header.width, header.height, imgData, (int)flags);
RemapRGBA(ref decompImgData);
Marshal.Copy(decompImgData, 0, bmpData.Scan0, decompImgData.Length);
}
else if (header.type == DataType.JPEG)
{
ret.format = FileFormat.Jpeg;
ret.bmp.UnlockBits(bmpData);
throw new NotImplementedException();
}
else
{
ret.bmp.UnlockBits(bmpData);
throw new BlpFormatException("The given BLP2 format is not supported.");
}
ret.bmp.UnlockBits(bmpData);
}
else
{
try {
// Let System.Drawing.Image handle loading
ret.bmp = (Bitmap)Image.FromStream(stream);
ret.format = FileFormat.Image;
} catch (ArgumentException e) {
throw new BlpFormatException("The stream did not contain valid image data.", e.InnerException);
}
}
ret.header = header;
return(ret);
}
}
private void listTalentTab_SelectedIndexChanged(object sender, EventArgs e)
{
Blp2 blpFile = new Blp2();
icons.Clear();
listTalents.Items.Clear();
TalentTabEntry tab = (TalentTabEntry)listTalentTab.SelectedItem;
foreach (TalentEntry t in DBCStores.Talent.Records.Where(th => th.TabId == tab.Id))
{
listTalents.Items.Add(t);
if (DBCStores.Spell.ContainsKey(t.RankId[0]) &&
DBCStores.SpellIcon.ContainsKey(DBCStores.Spell[t.RankId[0]].SpellIconID) &&
Stormlib.MPQFile.Exists(DBCStores.SpellIcon[DBCStores.Spell[t.RankId[0]].SpellIconID].IconPath + ".blp") &&
!icons.ContainsKey("SpellIcon." + t.Row.ToString() + "." + t.Col.ToString()))
{
blpFile = Blp2.FromStream(new Stormlib.MPQFile(DBCStores.SpellIcon[DBCStores.Spell[t.RankId[0]].SpellIconID].IconPath + ".blp"));
icons.Add("SpellIcon." + t.Row.ToString() + "." + t.Col.ToString(), ResizeBitmap(blpFile, 40, 40));
}
}
listTalents.SelectedIndex = 0;
LoadTalentTab();
}
private void MainForm_Load(object sender, EventArgs e)
{
talentTabScroll.Maximum = panelIn.Height - panelOut.Height;
listTalentTab.Items.Clear();
foreach (TalentTabEntry t in DBCStores.TalentTab.Records)
listTalentTab.Items.Add(t);
Blp2 blpFile = new Blp2();
images.Add("TalentBack", Blp2.FromFile("Ressources\\DefaultTalentBack.blp"));
blpFile = Blp2.FromFile("Ressources\\UI-TalentArrows.blp");
images.Add("TalentArrowsBottom", CropBitmap((Bitmap)blpFile, new Rectangle(0, 0, 32, 32)));
images.Add("TalentArrowsRight", CropBitmap((Bitmap)blpFile, new Rectangle(32, 0, 32, 32)));
images.Add("TalentArrowsLeft", RotateBitmap(CropBitmap((Bitmap)blpFile, new Rectangle(32, 0, 32, 32)), 180.0f));
images.Add("TalentRankBorder", Blp2.FromFile("Ressources\\TalentFrame-RankBorder.blp"));
images.Add("TalentIdBorder", Blp2.FromFile("Ressources\\TalentFrame-IdBorder.blp"));
blpFile = Blp2.FromFile("Ressources\\UI-TalentBranches.blp");
images.Add("TalentBarH", CropBitmap((Bitmap)blpFile, new Rectangle(32, 0, 32, 32)));
images.Add("TalentBarHLittle", CropBitmap((Bitmap)blpFile, new Rectangle(32, 0, 32, 20)));
images.Add("TalentBarV", CropBitmap((Bitmap)blpFile, new Rectangle(64, 0, 32, 32)));
images.Add("TalentBarVLittle", CropBitmap((Bitmap)blpFile, new Rectangle(64, 0, 28, 32)));
Bitmap bTmp = CropBitmap((Bitmap)blpFile, new Rectangle(128, 0, 32, 32));
bTmp.RotateFlip(RotateFlipType.RotateNoneFlipX);
images.Add("TalentBarCR", bTmp);
images.Add("TalentBarCL", CropBitmap((Bitmap)blpFile, new Rectangle(128, 0, 32, 32)));
images.Add("SpellIconDefault", ResizeBitmap(Blp2.FromFile("Ressources\\DefaultTalentIcon.blp"), 45, 45));
listTalentTab.SelectedIndex = 0;
}
/// <summary>
/// Creates a Blp2 object from the specified data stream.
/// </summary>
/// <param name="stream">A stream that contains the data of a Blp2 or System.Drawing.Image picture.</param>
/// <returns>Blp2 object containing the image of the stream.</returns>
/// <exception cref=""></exception>
public static Blp2 FromStream(Stream stream)
{
using (BinaryReader br = new BinaryReader(stream)) {
Blp2Header header = Blp2Header.FromBinaryReader(br);
Blp2 ret = new Blp2();
if (new string(header.fourCC) == "BLP2") {
ret.bmp = new Bitmap((int)header.width, (int)header.height, PixelFormat.Format32bppArgb);
BitmapData bmpData = ret.bmp.LockBits(new Rectangle(0, 0, ret.bmp.Width, ret.bmp.Height), ImageLockMode.ReadWrite, ret.bmp.PixelFormat);
byte[] imgData = new byte[header.lengths[0]];
br.BaseStream.Seek(header.offsets[0], SeekOrigin.Begin);
imgData = br.ReadBytes(imgData.Length);
// BLP2 conversion
if (header.type == DataType.Uncompressed_DirectX && header.encoding == Encoding.RAW1 &&
(header.alphaDepth == AlphaDepth.NoAlpha || header.alphaDepth == AlphaDepth.Alpha1Bit || header.alphaDepth == AlphaDepth.Alpha8Bit)) {
// Uncompressed paletted image
ret.format = FileFormat.Raw;
// Load palette (4-byte BGRA color values)
br.BaseStream.Seek(Marshal.SizeOf(typeof(Blp2Header)), SeekOrigin.Begin);
byte[] colorData = br.ReadBytes(256 * 4);
Color[] c = new Color[256];
for (int i = 0; i < 1024; i += 4) {
c[i / 4] = Color.FromArgb(255, colorData[i], colorData[i + 1], colorData[i + 2]);
}
// Read indexed bitmap
byte[] decompImgData = new byte[header.width * header.height * 4];
for (int i = 0; i < (header.width * header.height); i++) {
decompImgData[i * 4] = c[imgData[i]].R;
decompImgData[i * 4 + 1] = c[imgData[i]].G;
decompImgData[i * 4 + 2] = c[imgData[i]].B;
decompImgData[i * 4 + 3] = 255;
}
// Apply alpha channels
if (header.alphaDepth == AlphaDepth.Alpha8Bit) {
// 8-bits alpha
br.BaseStream.Seek(header.offsets[0] + header.width * header.height, SeekOrigin.Begin);
byte[] alphaData = br.ReadBytes((int)(header.width * header.height));
for (int i = 0; i < (header.width * header.height); i++) {
decompImgData[i * 4 + 3] = alphaData[i];
}
} else if (header.alphaDepth == AlphaDepth.Alpha1Bit) {
// 1-bits alpha
br.BaseStream.Seek(header.offsets[0] + (header.width * header.height), SeekOrigin.Begin);
byte[] alphaData = br.ReadBytes((int)(header.width * header.height / 8));
for (int i = 0; i < (header.width * header.height / 8); i++)
for (int j = 0; j < 8; j++)
decompImgData[i * 32 + ((j + 1) * 4) - 1] = (byte)((alphaData[i] & 1 << j) == 1 << j ? 255 : 0);
}
Marshal.Copy(decompImgData, 0, bmpData.Scan0, decompImgData.Length);
} else if (header.type == DataType.Uncompressed_DirectX && header.encoding == Encoding.RAW3 &&
(header.alphaDepth == AlphaDepth.NoAlpha || header.alphaDepth == AlphaDepth.Alpha1Bit || header.alphaDepth == AlphaDepth.Alpha8Bit)) {
// Uncompressed BGRA image
ret.format = FileFormat.Raw;
Marshal.Copy(imgData, 0, bmpData.Scan0, imgData.Length);
} else if (header.type == DataType.Uncompressed_DirectX && header.encoding == Encoding.DXT &&
(header.alphaEncoding == AlphaEncoding.DXT1 || header.alphaEncoding == AlphaEncoding.DXT3 || header.alphaEncoding == AlphaEncoding.DXT5)) {
// DXT1/3/5
ret.format = FileFormat.Dxt;
byte[] decompImgData = new byte[header.width * header.height * 4];
LibSquish.DxtFormat flags = 0;
switch (header.alphaEncoding) {
case AlphaEncoding.DXT1:
flags = LibSquish.DxtFormat.Dxt1;
break;
case AlphaEncoding.DXT3:
flags = LibSquish.DxtFormat.Dxt3;
break;
case AlphaEncoding.DXT5:
flags = LibSquish.DxtFormat.Dxt5;
break;
}
LibSquish.DecompressImage(decompImgData, header.width, header.height, imgData, (int)flags);
RemapRGBA(ref decompImgData);
Marshal.Copy(decompImgData, 0, bmpData.Scan0, decompImgData.Length);
} else if (header.type == DataType.JPEG) {
ret.format = FileFormat.Jpeg;
ret.bmp.UnlockBits(bmpData);
throw new NotImplementedException();
} else {
ret.bmp.UnlockBits(bmpData);
throw new BlpFormatException("The given BLP2 format is not supported.");
}
ret.bmp.UnlockBits(bmpData);
} else {
try {
// Let System.Drawing.Image handle loading
ret.bmp = (Bitmap)Image.FromStream(stream);
ret.format = FileFormat.Image;
} catch (ArgumentException e) {
throw new BlpFormatException("The stream did not contain valid image data.", e.InnerException);
}
}
ret.header = header;
return ret;
}
}
