static Bitmap Draw_Page(Page page, int block)
{
if (page.blocks.Count == 0)
{
return(null);
}
// Get image width
BlockImage last_bi = page.blocks[page.blocks.Count - 1];
int img_width = (int)(last_bi.posX * 0x100 + last_bi.width);
int img_height = (int)(last_bi.posY * 0x100 + last_bi.height);
Bitmap bmp = new Bitmap(img_width, img_height);
Graphics graphic = Graphics.FromImage(bmp);
// Write image
for (int i = 0; i < page.blocks.Count; i++)
{
// Save the JPG data to open it
string temp = Path.GetTempFileName();
File.WriteAllBytes(temp, page.blocks[i].data[block]);
Image img;
try { img = Image.FromFile(temp); }
catch { Console.WriteLine("Error opening JPG file!"); return(null); }
// Draw it
graphic.DrawImageUnscaled(img,
(int)page.blocks[i].posX * 0x100,
(int)page.blocks[i].posY * 0x100);
img.Dispose();
img = null;
File.Delete(temp);
}
graphic.Dispose();
graphic = null;
return(bmp);
}
static void Read_GVD(BinaryReaderBE br, sGVD gvd, string folderOut)
{
br.BaseStream.Position = gvd.offset;
// Read header
byte[] header = br.ReadBytes(0x10); // GVEW0100JPEG0100
gvd.bigSize = new Size(br.ReadInt32(), br.ReadInt32()); // Size of the biggest quality
Console.Write("\t\tHeader:\t"); Show_String(header);
Console.WriteLine("\t\tBiggest size: {0}", gvd.bigSize.ToString() + " px");
// Read first BLK_ section (contains TOC)
BLK_Header blk1 = new BLK_Header();
blk1.type = br.ReadUInt32();
if (blk1.type != 0x424C4B5F)
{
Console.WriteLine("Error Invalid header! BLK_");
return;
}
blk1.size = br.ReadUInt32();
blk1.id = br.ReadUInt32();
blk1.padding = br.ReadUInt32();
// Unknown values, inside the BLK_ section
br.ReadUInt32(); // Unknown: Always 0x20
br.ReadUInt32(); // Unknown: Always 0x04
// Start of the TOC section
uint num_entries = blk1.size / BlockImage.ENTRY_SIZE;
uint curroffset = gvd.offset + blk1.size + sGVD.HEADER_SIZE + 2 * BLK_Header.HEADER_SIZE;
uint entry_offset = gvd.offset + sGVD.HEADER_SIZE + BLK_Header.HEADER_SIZE + 0x08; // 0x08 = unknown values
Page[] page = new Page[BlockImage.MAX_QUALITY];
for (int i = 0; i < page.Length; i++)
{
page[i].blocks = new List <BlockImage>();
}
// Read each TOC entry into a BlockImage structure
for (int i = 0; i < num_entries; i++)
{
br.BaseStream.Position = entry_offset + i * BlockImage.ENTRY_SIZE;
BlockImage bi = new BlockImage();
bi.posX = br.ReadUInt32();
bi.posY = br.ReadUInt32();
bi.quality = br.ReadUInt32();
bi.data_size = br.ReadUInt32();
bi.unk1 = br.ReadUInt32();
bi.padding = br.ReadUInt32();
bi.width = br.ReadUInt32();
bi.height = br.ReadUInt32();
// Get image data, it could be compressed in a GVMP structure
// for blocked and unblocked images
br.BaseStream.Position = curroffset;
bi.data = new byte[1][];
bi.data[0] = br.ReadBytes((int)bi.data_size);
if (Encoding.ASCII.GetString(bi.data[0], 0, 4) == "GVMP")
{
bi.data = Decompress_GVMP(bi.data[0]);
}
if (bi.data == null)
{
continue;
}
page[bi.quality].blocks.Add(bi);
// Pad size and add to the current offset
curroffset += bi.data_size;
if (curroffset % 0x10 != 0)
{
curroffset += 0x10 - (curroffset % 0x10);
}
}
// Draw and save page
for (int i = 0; i < page.Length; i++)
{
if (quality != -1 && quality != i)
{
continue;
}
if (page[i].blocks.Count == 0)
{
continue;
}
// For blocked and unblocked
for (int j = 0; j < page[i].blocks[0].data.Length; j++)
{
// Check if we should extract that page
bool extract = (page[i].blocks[0].data.Length == 1); // Only if there are blocked and unblocked pages
if (blocked == 0)
{
extract = true;
}
else if (blocked == 1 && j == 0)
{
extract = true;
}
else if (blocked == 2 && j == 1)
{
extract = true;
}
if (!extract)
{
continue;
}
string img_out = Path.Combine(folderOut, gvd.name + '_' + i.ToString());
if (j != 0)
{
img_out += "_unblocked";
}
img_out += ".jpg";
Bitmap bmp = Draw_Page(page[i], j);
if (bmp != null)
{
if (File.Exists(img_out))
{
File.Delete(img_out);
}
bmp.Save(img_out, System.Drawing.Imaging.ImageFormat.Jpeg);
// Add it to the pdf
if (convert == 1)
{
pdf.SetPageSize(new iTextSharp.text.Rectangle(0, 0, bmp.Width, bmp.Height));
pdf.NewPage();
iTextSharp.text.Image jpg = iTextSharp.text.Jpeg.GetInstance(img_out);
//jpg.Alignment = iTextSharp.text.Image.ORIGINAL_JPEG;
jpg.SetAbsolutePosition(0, 0);
pdf.Add(jpg);
}
bmp.Dispose();
bmp = null;
}
}
page[i].blocks.Clear();
}
page = null;
}
