#region ================== Copyright (c) 2007 Pascal vd Heiden /* * Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com * This program is released under GNU General Public License * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */ #endregion #region ================== Namespaces using System; using System.Runtime.InteropServices; using System.IO; using System.Drawing; using CodeImp.DoomBuilder.Rendering; using System.Drawing.Imaging; #endregion namespace CodeImp.DoomBuilder.IO { //mxd internal struct DevilImageType { internal const int IL_TYPE_UNKNOWN = 0x0000; //internal const int IL_DOOM = 0x0422; //!< DooM walls - no specific extension //internal const int IL_DOOM_FLAT = 0x0423; //!< DooM flats - no specific extension internal const int IL_JPG = 0x0425; //!< JPEG - .jpg, .jpe and .jpeg extensions internal const int IL_PCX = 0x0428; //!< ZSoft PCX - .pcx extension internal const int IL_PNG = 0x042A; //!< Portable Network Graphics - .png extension internal const int IL_TGA = 0x042D; //!< TrueVision Targa File - .tga, .vda, .icb and .vst extensions internal const int IL_GIF = 0x0436; //!< Graphics Interchange Format - .gif extension internal const int IL_DDS = 0x0437; //!< DirectDraw Surface - .dds extension } internal unsafe class FileImageReader : IImageReader { #region ================== APIs [DllImport("devil.dll")] private static extern void ilGenImages(int num, IntPtr images); [DllImport("devil.dll")] private static extern void ilBindImage(uint image); [DllImport("devil.dll")] private static extern void ilDeleteImages(int num, IntPtr images); [DllImport("devil.dll")] private static extern bool ilLoadL(uint type, IntPtr lump, uint size); [DllImport("devil.dll")] private static extern int ilGetInteger(uint mode); [DllImport("devil.dll")] private static extern int ilConvertImage(uint destformat, uint desttype); [DllImport("devil.dll")] private static extern uint ilCopyPixels(uint xoff, uint yoff, uint zoff, uint width, uint height, uint depth, uint format, uint type, IntPtr data); //mxd. Look's like we don't need many of those... // Matches OpenGL's right now. //! Data formats \link Formats Formats\endlink //private const int IL_COLOUR_INDEX = 0x1900; //private const int IL_COLOR_INDEX = 0x1900; //private const int IL_ALPHA = 0x1906; //private const int IL_RGB = 0x1907; //private const int IL_RGBA = 0x1908; //private const int IL_BGR = 0x80E0; private const int IL_BGRA = 0x80E1; //private const int IL_LUMINANCE = 0x1909; //private const int IL_LUMINANCE_ALPHA = 0x190A; //! Data types \link Types Types\endlink //private const int IL_BYTE = 0x1400; private const int IL_UNSIGNED_BYTE = 0x1401; /*private const int IL_SHORT = 0x1402; private const int IL_UNSIGNED_SHORT = 0x1403; private const int IL_INT = 0x1404; private const int IL_UNSIGNED_INT = 0x1405; private const int IL_FLOAT = 0x1406; private const int IL_DOUBLE = 0x140A; private const int IL_HALF = 0x140B;*/ // Image types //private const int IL_TYPE_UNKNOWN = 0x0000; /*private const int IL_BMP = 0x0420; //!< Microsoft Windows Bitmap - .bmp extension private const int IL_CUT = 0x0421; //!< Dr. Halo - .cut extension private const int IL_DOOM = 0x0422; //!< DooM walls - no specific extension private const int IL_DOOM_FLAT = 0x0423; //!< DooM flats - no specific extension private const int IL_ICO = 0x0424; //!< Microsoft Windows Icons and Cursors - .ico and .cur extensions private const int IL_JPG = 0x0425; //!< JPEG - .jpg, .jpe and .jpeg extensions private const int IL_JFIF = 0x0425; //!< private const int IL_ILBM = 0x0426; //!< Amiga IFF (FORM ILBM) - .iff, .ilbm, .lbm extensions private const int IL_PCD = 0x0427; //!< Kodak PhotoCD - .pcd extension private const int IL_PCX = 0x0428; //!< ZSoft PCX - .pcx extension private const int IL_PIC = 0x0429; //!< PIC - .pic extension private const int IL_PNG = 0x042A; //!< Portable Network Graphics - .png extension private const int IL_PNM = 0x042B; //!< Portable Any Map - .pbm, .pgm, .ppm and .pnm extensions private const int IL_SGI = 0x042C; //!< Silicon Graphics - .sgi, .bw, .rgb and .rgba extensions private const int IL_TGA = 0x042D; //!< TrueVision Targa File - .tga, .vda, .icb and .vst extensions private const int IL_TIF = 0x042E; //!< Tagged Image File Format - .tif and .tiff extensions private const int IL_CHEAD = 0x042F; //!< C-Style Header - .h extension private const int IL_RAW = 0x0430; //!< Raw Image Data - any extension private const int IL_MDL = 0x0431; //!< Half-Life Model Texture - .mdl extension private const int IL_WAL = 0x0432; //!< Quake 2 Texture - .wal extension private const int IL_LIF = 0x0434; //!< Homeworld Texture - .lif extension private const int IL_MNG = 0x0435; //!< Multiple-image Network Graphics - .mng extension private const int IL_JNG = 0x0435; //!< private const int IL_GIF = 0x0436; //!< Graphics Interchange Format - .gif extension private const int IL_DDS = 0x0437; //!< DirectDraw Surface - .dds extension private const int IL_DCX = 0x0438; //!< ZSoft Multi-PCX - .dcx extension private const int IL_PSD = 0x0439; //!< Adobe PhotoShop - .psd extension private const int IL_EXIF = 0x043A; //!< private const int IL_PSP = 0x043B; //!< PaintShop Pro - .psp extension private const int IL_PIX = 0x043C; //!< PIX - .pix extension private const int IL_PXR = 0x043D; //!< Pixar - .pxr extension private const int IL_XPM = 0x043E; //!< X Pixel Map - .xpm extension private const int IL_HDR = 0x043F; //!< Radiance High Dynamic Range - .hdr extension private const int IL_ICNS = 0x0440; //!< Macintosh Icon - .icns extension private const int IL_JP2 = 0x0441; //!< Jpeg 2000 - .jp2 extension private const int IL_EXR = 0x0442; //!< OpenEXR - .exr extension private const int IL_WDP = 0x0443; //!< Microsoft HD Photo - .wdp and .hdp extension private const int IL_VTF = 0x0444; //!< Valve Texture Format - .vtf extension private const int IL_WBMP = 0x0445; //!< Wireless Bitmap - .wbmp extension private const int IL_SUN = 0x0446; //!< Sun Raster - .sun, .ras, .rs, .im1, .im8, .im24 and .im32 extensions private const int IL_IFF = 0x0447; //!< Interchange File Format - .iff extension private const int IL_TPL = 0x0448; //!< Gamecube Texture - .tpl extension private const int IL_FITS = 0x0449; //!< Flexible Image Transport System - .fit and .fits extensions private const int IL_DICOM = 0x044A; //!< Digital Imaging and Communications in Medicine (DICOM) - .dcm and .dicom extensions private const int IL_IWI = 0x044B; //!< Call of Duty Infinity Ward Image - .iwi extension private const int IL_BLP = 0x044C; //!< Blizzard Texture Format - .blp extension private const int IL_FTX = 0x044D; //!< Heavy Metal: FAKK2 Texture - .ftx extension private const int IL_ROT = 0x044E; //!< Homeworld 2 - Relic Texture - .rot extension private const int IL_TEXTURE = 0x044F; //!< Medieval II: Total War Texture - .texture extension private const int IL_DPX = 0x0450; //!< Digital Picture Exchange - .dpx extension private const int IL_UTX = 0x0451; //!< Unreal (and Unreal Tournament) Texture - .utx extension private const int IL_MP3 = 0x0452; //!< MPEG-1 Audio Layer 3 - .mp3 extension*/ //private const int IL_JASC_PAL = 0x0475; //!< PaintShop Pro Palette // Error Types /*private const int IL_NO_ERROR = 0x0000; private const int IL_INVALID_ENUM = 0x0501; private const int IL_OUT_OF_MEMORY = 0x0502; private const int IL_FORMAT_NOT_SUPPORTED = 0x0503; private const int IL_INTERNAL_ERROR = 0x0504; private const int IL_INVALID_VALUE = 0x0505; private const int IL_ILLEGAL_OPERATION = 0x0506; private const int IL_ILLEGAL_FILE_VALUE = 0x0507; private const int IL_INVALID_FILE_HEADER = 0x0508; private const int IL_INVALID_PARAM = 0x0509; private const int IL_COULD_NOT_OPEN_FILE = 0x050A; private const int IL_INVALID_EXTENSION = 0x050B; private const int IL_FILE_ALREADY_EXISTS = 0x050C; private const int IL_OUT_FORMAT_SAME = 0x050D; private const int IL_STACK_OVERFLOW = 0x050E; private const int IL_STACK_UNDERFLOW = 0x050F; private const int IL_INVALID_CONVERSION = 0x0510; private const int IL_BAD_DIMENSIONS = 0x0511; private const int IL_FILE_READ_ERROR = 0x0512; // 05/12/2002: Addition by Sam. private const int IL_FILE_WRITE_ERROR = 0x0512;*/ /*private const int IL_LIB_GIF_ERROR = 0x05E1; private const int IL_LIB_JPEG_ERROR = 0x05E2; private const int IL_LIB_PNG_ERROR = 0x05E3; private const int IL_LIB_TIFF_ERROR = 0x05E4; private const int IL_LIB_MNG_ERROR = 0x05E5; private const int IL_LIB_JP2_ERROR = 0x05E6; private const int IL_LIB_EXR_ERROR = 0x05E7; private const int IL_UNKNOWN_ERROR = 0x05FF;*/ // Origin Definitions /*private const int IL_ORIGIN_SET = 0x0600; private const int IL_ORIGIN_LOWER_LEFT = 0x0601; private const int IL_ORIGIN_UPPER_LEFT = 0x0602; private const int IL_ORIGIN_MODE = 0x0603;*/ // Format and Type Mode Definitions /*private const int IL_FORMAT_SET = 0x0610; private const int IL_FORMAT_MODE = 0x0611; private const int IL_TYPE_SET = 0x0612; private const int IL_TYPE_MODE = 0x0613;*/ // File definitions /*private const int IL_FILE_OVERWRITE = 0x0620; private const int IL_FILE_MODE = 0x0621; */ // Palette definitions //private const int IL_CONV_PAL = 0x0630; // Load fail definitions //private const int IL_DEFAULT_ON_FAIL = 0x0632; // Key colour and alpha definitions /*private const int IL_USE_KEY_COLOUR = 0x0635; private const int IL_USE_KEY_COLOR = 0x0635; private const int IL_BLIT_BLEND = 0x0636;*/ // Interlace definitions /*private const int IL_SAVE_INTERLACED = 0x0639; private const int IL_INTERLACE_MODE = 0x063A;*/ // Quantization definitions /*private const int IL_QUANTIZATION_MODE = 0x0640; private const int IL_WU_QUANT = 0x0641; private const int IL_NEU_QUANT = 0x0642; private const int IL_NEU_QUANT_SAMPLE = 0x0643; private const int IL_MAX_QUANT_INDEXS = 0x0644; //XIX : ILint : Maximum number of colors to reduce to, default of 256. and has a range of 2-256 private const int IL_MAX_QUANT_INDICES = 0x0644; // Redefined, since the above private const int is misspelled*/ // Hints /*private const int IL_FASTEST = 0x0660; private const int IL_LESS_MEM = 0x0661; private const int IL_DONT_CARE = 0x0662; private const int IL_MEM_SPEED_HINT = 0x0665; private const int IL_USE_COMPRESSION = 0x0666; private const int IL_NO_COMPRESSION = 0x0667; private const int IL_COMPRESSION_HINT = 0x0668;*/ // Compression /*private const int IL_NVIDIA_COMPRESS = 0x0670; private const int IL_SQUISH_COMPRESS = 0x0671;*/ // Subimage types /*private const int IL_SUB_NEXT = 0x0680; private const int IL_SUB_MIPMAP = 0x0681; private const int IL_SUB_LAYER = 0x0682;*/ // Compression definitions /*private const int IL_COMPRESS_MODE = 0x0700; private const int IL_COMPRESS_NONE = 0x0701; private const int IL_COMPRESS_RLE = 0x0702; private const int IL_COMPRESS_LZO = 0x0703; private const int IL_COMPRESS_ZLIB = 0x0704;*/ // File format-specific values /*private const int IL_TGA_CREATE_STAMP = 0x0710; private const int IL_JPG_QUALITY = 0x0711; private const int IL_PNG_INTERLACE = 0x0712; private const int IL_TGA_RLE = 0x0713; private const int IL_BMP_RLE = 0x0714; private const int IL_SGI_RLE = 0x0715; private const int IL_TGA_ID_STRING = 0x0717; private const int IL_TGA_AUTHNAME_STRING = 0x0718; private const int IL_TGA_AUTHCOMMENT_STRING = 0x0719; private const int IL_PNG_AUTHNAME_STRING = 0x071A; private const int IL_PNG_TITLE_STRING = 0x071B; private const int IL_PNG_DESCRIPTION_STRING = 0x071C; private const int IL_TIF_DESCRIPTION_STRING = 0x071D; private const int IL_TIF_HOSTCOMPUTER_STRING = 0x071E; private const int IL_TIF_DOCUMENTNAME_STRING = 0x071F; private const int IL_TIF_AUTHNAME_STRING = 0x0720; private const int IL_JPG_SAVE_FORMAT = 0x0721; private const int IL_CHEAD_HEADER_STRING = 0x0722; private const int IL_PCD_PICNUM = 0x0723; private const int IL_PNG_ALPHA_INDEX = 0x0724; //XIX : ILint : the color in the palette at this index value (0-255) is considered transparent, -1 for no trasparent color private const int IL_JPG_PROGRESSIVE = 0x0725; private const int IL_VTF_COMP = 0x0726;*/ // DXTC definitions /*private const int IL_DXTC_FORMAT = 0x0705; private const int IL_DXT1 = 0x0706; private const int IL_DXT2 = 0x0707; private const int IL_DXT3 = 0x0708; private const int IL_DXT4 = 0x0709; private const int IL_DXT5 = 0x070A; private const int IL_DXT_NO_COMP = 0x070B; private const int IL_KEEP_DXTC_DATA = 0x070C; private const int IL_DXTC_DATA_FORMAT = 0x070D; private const int IL_3DC = 0x070E; private const int IL_RXGB = 0x070F; private const int IL_ATI1N = 0x0710; private const int IL_DXT1A = 0x0711; // Normally the same as IL_DXT1, except for nVidia Texture Tools.*/ // Environment map definitions /*private const int IL_CUBEMAP_POSITIVEX = 0x00000400; private const int IL_CUBEMAP_NEGATIVEX = 0x00000800; private const int IL_CUBEMAP_POSITIVEY = 0x00001000; private const int IL_CUBEMAP_NEGATIVEY = 0x00002000; private const int IL_CUBEMAP_POSITIVEZ = 0x00004000; private const int IL_CUBEMAP_NEGATIVEZ = 0x00008000; private const int IL_SPHEREMAP = 0x00010000;*/ // Values //private const int IL_VERSION_NUM = 0x0DE2; private const int IL_IMAGE_WIDTH = 0x0DE4; private const int IL_IMAGE_HEIGHT = 0x0DE5; /*private const int IL_IMAGE_DEPTH = 0x0DE6; private const int IL_IMAGE_SIZE_OF_DATA = 0x0DE7; private const int IL_IMAGE_BPP = 0x0DE8; private const int IL_IMAGE_BYTES_PER_PIXEL = 0x0DE8; private const int IL_IMAGE_BITS_PER_PIXEL = 0x0DE9; private const int IL_IMAGE_FORMAT = 0x0DEA; private const int IL_IMAGE_TYPE = 0x0DEB; private const int IL_PALETTE_TYPE = 0x0DEC; private const int IL_PALETTE_SIZE = 0x0DED; private const int IL_PALETTE_BPP = 0x0DEE; private const int IL_PALETTE_NUM_COLS = 0x0DEF; private const int IL_PALETTE_BASE_TYPE = 0x0DF0; private const int IL_NUM_FACES = 0x0DE1; private const int IL_NUM_IMAGES = 0x0DF1; private const int IL_NUM_MIPMAPS = 0x0DF2; private const int IL_NUM_LAYERS = 0x0DF3; private const int IL_ACTIVE_IMAGE = 0x0DF4; private const int IL_ACTIVE_MIPMAP = 0x0DF5; private const int IL_ACTIVE_LAYER = 0x0DF6; private const int IL_ACTIVE_FACE = 0x0E00; private const int IL_CUR_IMAGE = 0x0DF7; private const int IL_IMAGE_DURATION = 0x0DF8; private const int IL_IMAGE_PLANESIZE = 0x0DF9; private const int IL_IMAGE_BPC = 0x0DFA; private const int IL_IMAGE_OFFX = 0x0DFB; private const int IL_IMAGE_OFFY = 0x0DFC; private const int IL_IMAGE_CUBEFLAGS = 0x0DFD; private const int IL_IMAGE_ORIGIN = 0x0DFE; private const int IL_IMAGE_CHANNELS = 0x0DFF;*/ //mxd private readonly uint imagetype; #endregion #region ================== Constructor / Disposer // Constructor public FileImageReader() { imagetype = DevilImageType.IL_TYPE_UNKNOWN;//mxd // We have no destructor GC.SuppressFinalize(this); } //mxd public FileImageReader(uint devilImagetype) { imagetype = devilImagetype;//mxd // We have no destructor GC.SuppressFinalize(this); } #endregion #region ================== Methods // This creates a Bitmap from the given data // Returns null on failure public Bitmap ReadAsBitmap(Stream stream, out int offsetx, out int offsety) { offsetx = int.MinValue; offsety = int.MinValue; Bitmap bmp = ReadAsBitmap(stream); //mxd. Read PNG offsets if(imagetype == DevilImageType.IL_PNG && bmp != null) { stream.Position = 8; using(BinaryReader reader = new BinaryReader(stream)) { // Read chunks untill we encounter either "grAb" or "IDAT" while(reader.BaseStream.Position < reader.BaseStream.Length) { // Big Endian! int chunklength = ToInt32BigEndian(reader.ReadBytes(4)); string chunkname = new string(reader.ReadChars(4)); if(chunkname == "grAb") { offsetx = ToInt32BigEndian(reader.ReadBytes(4)); offsety = ToInt32BigEndian(reader.ReadBytes(4)); break; } else if(chunkname == "IDAT") { break; } else { // Skip the rest of the chunk reader.BaseStream.Position += chunklength + 4; } } } } // Return the image return bmp; } // This reads the image and returns a Bitmap public Bitmap ReadAsBitmap(Stream stream) { try { // Create an image in DevIL uint imageid = 0; ilGenImages(1, new IntPtr(&imageid)); ilBindImage(imageid); // Read image data from stream byte[] bytes = new byte[stream.Length - stream.Position]; stream.Read(bytes, 0, bytes.Length); fixed(byte* bptr = bytes) { if(!ilLoadL(imagetype, new IntPtr(bptr), (uint)bytes.Length)) throw new BadImageFormatException(); } // Get the image properties int width = ilGetInteger(IL_IMAGE_WIDTH); int height = ilGetInteger(IL_IMAGE_HEIGHT); if((width < 1) || (height < 1)) throw new BadImageFormatException(); // Convert the image to ARGB if needed ilConvertImage(IL_BGRA, IL_UNSIGNED_BYTE); // Copy the image pixels to a Bitmap Bitmap bmp = new Bitmap(width, height, PixelFormat.Format32bppArgb); BitmapData bmpdata = bmp.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb); ilCopyPixels(0, 0, 0, (uint)width, (uint)height, 1, IL_BGRA, IL_UNSIGNED_BYTE, bmpdata.Scan0); bmp.UnlockBits(bmpdata); // Clean up ilDeleteImages(1, new IntPtr(&imageid)); //mxd. TGA fix if(imagetype == DevilImageType.IL_TGA) bmp.RotateFlip(RotateFlipType.RotateNoneFlipY); return bmp; } catch(Exception e) { // Unable to make bitmap General.ErrorLogger.Add(ErrorType.Error, "Unable to make file image. " + e.GetType().Name + ": " + e.Message); return null; } } // This draws the picture to the given pixel color data // Throws exception on failure public void DrawToPixelData(Stream stream, PixelColor* target, int targetwidth, int targetheight, int x, int y) { // Get bitmap Bitmap bmp = ReadAsBitmap(stream); if(bmp != null) { int width = bmp.Size.Width; int height = bmp.Size.Height; // Lock bitmap pixels BitmapData bmpdata = bmp.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb); PixelColor* pixels = (PixelColor*)bmpdata.Scan0.ToPointer(); // Go for all pixels in the original image for(int ox = 0; ox < width; ox++) { for(int oy = 0; oy < height; oy++) { // Copy this pixel? if(pixels[oy * width + ox].a > 0.5f) { // Calculate target pixel and copy when within bounds int tx = x + ox; int ty = y + oy; if((tx >= 0) && (tx < targetwidth) && (ty >= 0) && (ty < targetheight)) target[ty * targetwidth + tx] = pixels[oy * width + ox]; } } } // Done bmp.UnlockBits(bmpdata); bmp.Dispose(); } else { throw new InvalidDataException(); } } //mxd private static int ToInt32BigEndian(byte[] buffer) { return (buffer[0] << 24) | (buffer[1] << 16) | (buffer[2] << 8) | buffer[3]; } #endregion } }