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<h1>/home/dwoods/DevIL/src-IL/include/il_wdp.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//-----------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">//</span>
<a name="l00003"></a>00003 <span class="comment">// ImageLib Sources</span>
<a name="l00004"></a>00004 <span class="comment">// Copyright (C) 2000-2008 by Denton Woods</span>
<a name="l00005"></a>00005 <span class="comment">// Last modified: 09/26/2008</span>
<a name="l00006"></a>00006 <span class="comment">//</span>
<a name="l00007"></a>00007 <span class="comment">// Filename: src-IL/include/il_hdr.h</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Description: Reads a Microsoft HD Photo (.wdp)</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">//-----------------------------------------------------------------------------</span>
<a name="l00012"></a>00012 
<a name="l00013"></a>00013 
<a name="l00014"></a>00014 <span class="preprocessor">#ifndef WDP_H</span>
<a name="l00015"></a>00015 <span class="preprocessor"></span><span class="preprocessor">#define WDP_H</span>
<a name="l00016"></a>00016 <span class="preprocessor"></span>
<a name="l00017"></a>00017 <span class="preprocessor">#include "il_internal.h"</span>
<a name="l00018"></a>00018 
<a name="l00019"></a>00019 
<a name="l00020"></a>00020 <span class="comment">//</span>
<a name="l00021"></a>00021 <span class="comment">// Structures</span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00023"></a>00023 <span class="keyword">typedef</span> <span class="keyword">struct </span>WDPHEAD
<a name="l00024"></a>00024 {
<a name="l00025"></a>00025         ILubyte         Encoding[2];
<a name="l00026"></a>00026         ILubyte         UniqueID;
<a name="l00027"></a>00027         ILubyte         Version;
<a name="l00028"></a>00028         ILuint          Offset;
<a name="l00029"></a>00029 } WDPHEAD;
<a name="l00030"></a>00030 
<a name="l00031"></a>00031 <span class="keyword">typedef</span> <span class="keyword">struct </span>WDPIFD
<a name="l00032"></a>00032 {
<a name="l00033"></a>00033         ILushort        Tag;
<a name="l00034"></a>00034         ILushort        Type;
<a name="l00035"></a>00035         ILuint          Count;
<a name="l00036"></a>00036         ILuint          ValOff;
<a name="l00037"></a>00037         ILuint          NextOff;
<a name="l00038"></a>00038 } WDPIFD;
<a name="l00039"></a>00039 
<a name="l00040"></a>00040 <span class="keyword">typedef</span> <span class="keyword">struct </span>WDPGUID
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042         ILuint          First;
<a name="l00043"></a>00043         ILushort        Second;
<a name="l00044"></a>00044         ILushort        Third;
<a name="l00045"></a>00045         ILuint          Fourth;
<a name="l00046"></a>00046         ILuint          Fifth;
<a name="l00047"></a>00047 } WDPGUID;
<a name="l00048"></a>00048 
<a name="l00049"></a>00049 <span class="keyword">typedef</span> <span class="keyword">struct </span>WDPIMGHEAD
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051         ILuint          GDISignature[2];
<a name="l00052"></a>00052         ILuint          Codec;
<a name="l00053"></a>00053         ILubyte         Flags[2];
<a name="l00054"></a>00054         ILubyte         Format;
<a name="l00055"></a>00055         ILuint          Width, Height;  <span class="comment">// Can either be short or 32-bit int</span>
<a name="l00056"></a>00056         ILuint          VertTiles, HorzTiles;  <span class="comment">// 12-bits each</span>
<a name="l00057"></a>00057         ILushort        *TileWidth, *TileHeight;  <span class="comment">// 8 or 16-bits each</span>
<a name="l00058"></a>00058         ILubyte         *TileStretch;  <span class="comment">// 8-bits each</span>
<a name="l00059"></a>00059         ILubyte         ExtraPixels[3];
<a name="l00060"></a>00060 } WDPIMGHEAD;
<a name="l00061"></a>00061 
<a name="l00062"></a>00062 <span class="keyword">typedef</span> <span class="keyword">struct </span>WDPIMGPLANE
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064         ILubyte         Flags1;
<a name="l00065"></a>00065         ILubyte         Color;
<a name="l00066"></a>00066         ILubyte         Bayer;
<a name="l00067"></a>00067         ILubyte         ShiftBits;
<a name="l00068"></a>00068         ILubyte         Mantissa;
<a name="l00069"></a>00069         ILubyte         Expbias;
<a name="l00070"></a>00070         ILubyte         Flags2;
<a name="l00071"></a>00071 
<a name="l00072"></a>00072         ILubyte         NumChannels;
<a name="l00073"></a>00073 } WDPIMGPLANE;
<a name="l00074"></a>00074 
<a name="l00075"></a>00075 <span class="keyword">typedef</span> <span class="keyword">struct </span>WDPDCQUANT
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077         ILubyte         ChMode;
<a name="l00078"></a>00078         ILubyte         DcQuant;
<a name="l00079"></a>00079         ILubyte         DcQuantY;
<a name="l00080"></a>00080         ILubyte         DcQuantUV;
<a name="l00081"></a>00081         ILubyte         DcQuantChan;
<a name="l00082"></a>00082 } WDPDCQUANT;
<a name="l00083"></a>00083 
<a name="l00084"></a>00084 <span class="keyword">typedef</span> <span class="keyword">struct </span>WDPTILE
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086         ILuint          StartCode;
<a name="l00087"></a>00087         ILubyte         HashAndType;
<a name="l00088"></a>00088 } WDPTILE;
<a name="l00089"></a>00089 
<a name="l00090"></a>00090 <span class="comment">//</span>
<a name="l00091"></a>00091 <span class="comment">// Image header defines</span>
<a name="l00092"></a>00092 <span class="comment">//</span>
<a name="l00093"></a>00093 
<a name="l00094"></a>00094 <span class="comment">// Codec and sub-codec</span>
<a name="l00095"></a>00095 <span class="preprocessor">#define WDP_CODEC                       0xF0</span>
<a name="l00096"></a>00096 <span class="preprocessor"></span><span class="preprocessor">#define WDP_SUBCODEC            0x0F</span>
<a name="l00097"></a>00097 <span class="preprocessor"></span>
<a name="l00098"></a>00098 <span class="comment">// First set of flags</span>
<a name="l00099"></a>00099 <span class="preprocessor">#define WDP_TILING_FLAG         0x80</span>
<a name="l00100"></a>00100 <span class="preprocessor"></span><span class="preprocessor">#define WDP_BITSTREAM_FMT       0x40</span>
<a name="l00101"></a>00101 <span class="preprocessor"></span><span class="preprocessor">#define WDP_ORIENTATION         0x38</span>
<a name="l00102"></a>00102 <span class="preprocessor"></span><span class="preprocessor">#define WDP_INDEXTABLE          0x04</span>
<a name="l00103"></a>00103 <span class="preprocessor"></span><span class="preprocessor">#define WDP_OVERLAP                     0x03</span>
<a name="l00104"></a>00104 <span class="preprocessor"></span>
<a name="l00105"></a>00105 <span class="comment">// Second set of flags</span>
<a name="l00106"></a>00106 <span class="preprocessor">#define WDP_SHORT_HEADER        0x80</span>
<a name="l00107"></a>00107 <span class="preprocessor"></span><span class="preprocessor">#define WDP_LONG_WORD           0x40</span>
<a name="l00108"></a>00108 <span class="preprocessor"></span><span class="preprocessor">#define WDP_WINDOWING           0x20</span>
<a name="l00109"></a>00109 <span class="preprocessor"></span><span class="preprocessor">#define WDP_TRIM_FLEXBITS       0x10</span>
<a name="l00110"></a>00110 <span class="preprocessor"></span><span class="preprocessor">#define WDP_TILE_STRETCH        0x08</span>
<a name="l00111"></a>00111 <span class="preprocessor"></span><span class="preprocessor">#define WDP_ALPHACHANNEL        0x01</span>
<a name="l00112"></a>00112 <span class="preprocessor"></span>
<a name="l00113"></a>00113 <span class="comment">// Format and bit-depth</span>
<a name="l00114"></a>00114 <span class="preprocessor">#define WDP_FORMAT                      0xF0</span>
<a name="l00115"></a>00115 <span class="preprocessor"></span><span class="preprocessor">#define WDP_BITDEPTH            0x0F</span>
<a name="l00116"></a>00116 <span class="preprocessor"></span><span class="preprocessor">#define WDP_Y_ONLY                      0x00</span>
<a name="l00117"></a>00117 <span class="preprocessor"></span><span class="preprocessor">#define WDP_YUV_420                     0x01</span>
<a name="l00118"></a>00118 <span class="preprocessor"></span><span class="preprocessor">#define WDP_YUV_422                     0x02</span>
<a name="l00119"></a>00119 <span class="preprocessor"></span><span class="preprocessor">#define WDP_YUV_444                     0x03</span>
<a name="l00120"></a>00120 <span class="preprocessor"></span><span class="preprocessor">#define WDP_CMYK                        0x04</span>
<a name="l00121"></a>00121 <span class="preprocessor"></span><span class="preprocessor">#define WDP_BAYER                       0x05</span>
<a name="l00122"></a>00122 <span class="preprocessor"></span><span class="preprocessor">#define WDP_N_CHANNEL           0x06</span>
<a name="l00123"></a>00123 <span class="preprocessor"></span><span class="preprocessor">#define WDP_RGB                         0x07</span>
<a name="l00124"></a>00124 <span class="preprocessor"></span><span class="preprocessor">#define WDP_RGBE                        0x08</span>
<a name="l00125"></a>00125 <span class="preprocessor"></span>
<a name="l00126"></a>00126 <span class="comment">// Bitdepth</span>
<a name="l00127"></a>00127 <span class="preprocessor">#define WDP_BD_1_WHITE          0x00</span>
<a name="l00128"></a>00128 <span class="preprocessor"></span><span class="preprocessor">#define WDP_BD_8                        0x01</span>
<a name="l00129"></a>00129 <span class="preprocessor"></span><span class="preprocessor">#define WDP_BD_16                       0x02</span>
<a name="l00130"></a>00130 <span class="preprocessor"></span><span class="preprocessor">#define WDP_BD_16S                      0x03</span>
<a name="l00131"></a>00131 <span class="preprocessor"></span><span class="preprocessor">#define WDP_BD_16F                      0x04</span>
<a name="l00132"></a>00132 <span class="preprocessor"></span><span class="preprocessor">#define WDP_BD_32                       0x05</span>
<a name="l00133"></a>00133 <span class="preprocessor"></span><span class="preprocessor">#define WDP_BD_32S                      0x06</span>
<a name="l00134"></a>00134 <span class="preprocessor"></span><span class="preprocessor">#define WDP_BD_32F                      0x07</span>
<a name="l00135"></a>00135 <span class="preprocessor"></span><span class="preprocessor">#define WDP_BD_5                        0x08</span>
<a name="l00136"></a>00136 <span class="preprocessor"></span><span class="preprocessor">#define WDP_BD_10                       0x09</span>
<a name="l00137"></a>00137 <span class="preprocessor"></span><span class="preprocessor">#define WDP_BD_565                      0x0A</span>
<a name="l00138"></a>00138 <span class="preprocessor"></span><span class="preprocessor">#define WDP_BD_1_BLACK          0x0F</span>
<a name="l00139"></a>00139 <span class="preprocessor"></span>
<a name="l00140"></a>00140 
<a name="l00141"></a>00141 <span class="comment">//</span>
<a name="l00142"></a>00142 <span class="comment">// Image plane header defines</span>
<a name="l00143"></a>00143 <span class="comment">//</span>
<a name="l00144"></a>00144 
<a name="l00145"></a>00145 <span class="comment">// First set of flags</span>
<a name="l00146"></a>00146 <span class="preprocessor">#define WDP_CLR_FMT                     0xE0</span>
<a name="l00147"></a>00147 <span class="preprocessor"></span><span class="preprocessor">#define WDP_NO_SCALED           0x10</span>
<a name="l00148"></a>00148 <span class="preprocessor"></span><span class="preprocessor">#define WDP_BANDS_PRESENT       0x0F</span>
<a name="l00149"></a>00149 <span class="preprocessor"></span>
<a name="l00150"></a>00150 <span class="comment">// Defines for n-channels</span>
<a name="l00151"></a>00151 <span class="preprocessor">#define WDP_NUM_CHANS           0xF0</span>
<a name="l00152"></a>00152 <span class="preprocessor"></span><span class="preprocessor">#define WDP_COLOR_INTERP        0x0F</span>
<a name="l00153"></a>00153 <span class="preprocessor"></span>
<a name="l00154"></a>00154 <span class="comment">// Second set of flags</span>
<a name="l00155"></a>00155 <span class="preprocessor">#define WDP_DC_FRAME            0x80</span>
<a name="l00156"></a>00156 <span class="preprocessor"></span>
<a name="l00157"></a>00157 <span class="comment">// Channel modes</span>
<a name="l00158"></a>00158 <span class="preprocessor">#define WDP_CH_UNIFORM          0x00</span>
<a name="l00159"></a>00159 <span class="preprocessor"></span><span class="preprocessor">#define WDP_CH_SEPARATE         0x01</span>
<a name="l00160"></a>00160 <span class="preprocessor"></span><span class="preprocessor">#define WDP_CH_INDEPENDENT      0x02</span>
<a name="l00161"></a>00161 <span class="preprocessor"></span>
<a name="l00162"></a>00162 <span class="comment">// Tile types</span>
<a name="l00163"></a>00163 <span class="preprocessor">#define WDP_TILE_HASH           0xF8</span>
<a name="l00164"></a>00164 <span class="preprocessor"></span><span class="preprocessor">#define WDP_TILE_TYPE           0x03</span>
<a name="l00165"></a>00165 <span class="preprocessor"></span><span class="preprocessor">#define WDP_SPATIAL_TILE        0x00</span>
<a name="l00166"></a>00166 <span class="preprocessor"></span><span class="preprocessor">#define WDP_DC_TILE                     0x01</span>
<a name="l00167"></a>00167 <span class="preprocessor"></span><span class="preprocessor">#define WDP_LOWPASS_TILE        0x02</span>
<a name="l00168"></a>00168 <span class="preprocessor"></span><span class="preprocessor">#define WDP_HIGHPASS_TILE       0x03</span>
<a name="l00169"></a>00169 <span class="preprocessor"></span><span class="preprocessor">#define WDP_FLEXBITS_TILE       0x04</span>
<a name="l00170"></a>00170 <span class="preprocessor"></span>
<a name="l00171"></a>00171 <span class="comment">// Bands present</span>
<a name="l00172"></a>00172 <span class="preprocessor">#define WDP_SB_ALL                      0x00</span>
<a name="l00173"></a>00173 <span class="preprocessor"></span><span class="preprocessor">#define WDP_SB_NO_FLEXBITS      0x01</span>
<a name="l00174"></a>00174 <span class="preprocessor"></span><span class="preprocessor">#define WDP_SB_NO_HIGHPASS      0x02</span>
<a name="l00175"></a>00175 <span class="preprocessor"></span><span class="preprocessor">#define WDP_SB_DC_ONLY          0x03</span>
<a name="l00176"></a>00176 <span class="preprocessor"></span><span class="preprocessor">#define WDP_SB_ISOLATED         0x04</span>
<a name="l00177"></a>00177 <span class="preprocessor"></span>
<a name="l00178"></a>00178 
<a name="l00179"></a>00179 <span class="comment">//</span>
<a name="l00180"></a>00180 <span class="comment">// Internal functions</span>
<a name="l00181"></a>00181 <span class="comment">//</span>
<a name="l00182"></a>00182 ILboolean       iIsValidWdp();
<a name="l00183"></a>00183 ILboolean       iCheckWdp(WDPHEAD *Header);
<a name="l00184"></a>00184 ILboolean       iLoadWdpInternal();
<a name="l00185"></a>00185 ILuint          VLWESC();
<a name="l00186"></a>00186 
<a name="l00187"></a>00187 
<a name="l00188"></a>00188 <span class="preprocessor">#endif//WDP_H</span>
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