1 /* 2 Copyright (c) 2003-2010 Sony Pictures Imageworks Inc., et al. 3 All Rights Reserved. 4 5 Redistribution and use in source and binary forms, with or without 6 modification, are permitted provided that the following conditions are 7 met: 8 * Redistributions of source code must retain the above copyright 9 notice, this list of conditions and the following disclaimer. 10 * Redistributions in binary form must reproduce the above copyright 11 notice, this list of conditions and the following disclaimer in the 12 documentation and/or other materials provided with the distribution. 13 * Neither the name of Sony Pictures Imageworks nor the names of its 14 contributors may be used to endorse or promote products derived from 15 this software without specific prior written permission. 16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <OpenColorIO/OpenColorIO.h> 30 31 #include "FileTransform.h" 32 #include "MatrixOps.h" 33 #include "ParseUtils.h" 34 #include "pystring/pystring.h" 35 36 #include <cstdio> 37 #include <cstring> 38 #include <sstream> 39 40 41 OCIO_NAMESPACE_ENTER 42 { 43 //////////////////////////////////////////////////////////////// 44 45 namespace 46 { 47 class LocalCachedFile : public CachedFile 48 { 49 public: 50 LocalCachedFile() 51 { 52 memset(m44, 0, 16*sizeof(float)); 53 memset(offset4, 0, 4*sizeof(float)); 54 }; 55 ~LocalCachedFile() {}; 56 57 float m44[16]; 58 float offset4[4]; 59 }; 60 61 typedef OCIO_SHARED_PTR<LocalCachedFile> LocalCachedFileRcPtr; 62 63 64 65 class LocalFileFormat : public FileFormat 66 { 67 public: 68 69 ~LocalFileFormat() {}; 70 71 virtual void GetFormatInfo(FormatInfoVec & formatInfoVec) const; 72 73 virtual CachedFileRcPtr Read(std::istream & istream) const; 74 75 virtual void BuildFileOps(OpRcPtrVec & ops, 76 const Config& config, 77 const ConstContextRcPtr & context, 78 CachedFileRcPtr untypedCachedFile, 79 const FileTransform& fileTransform, 80 TransformDirection dir) const; 81 }; 82 83 void LocalFileFormat::GetFormatInfo(FormatInfoVec & formatInfoVec) const 84 { 85 FormatInfo info; 86 info.name = "spimtx"; 87 info.extension = "spimtx"; 88 info.capabilities = FORMAT_CAPABILITY_READ; 89 formatInfoVec.push_back(info); 90 } 91 92 CachedFileRcPtr 93 LocalFileFormat::Read(std::istream & istream) const 94 { 95 96 // Read the entire file. 97 std::ostringstream fileStream; 98 99 { 100 const int MAX_LINE_SIZE = 4096; 101 char lineBuffer[MAX_LINE_SIZE]; 102 103 while (istream.good()) 104 { 105 istream.getline(lineBuffer, MAX_LINE_SIZE); 106 fileStream << std::string(lineBuffer) << " "; 107 } 108 } 109 110 // Turn it into parts 111 std::vector<std::string> lineParts; 112 pystring::split(pystring::strip(fileStream.str()), lineParts); 113 if(lineParts.size() != 12) 114 { 115 std::ostringstream os; 116 os << "Error parsing .spimtx file. "; 117 os << "File must contain 12 float entries. "; 118 os << lineParts.size() << " found."; 119 throw Exception(os.str().c_str()); 120 } 121 122 // Turn the parts into floats 123 std::vector<float> floatArray; 124 if(!StringVecToFloatVec(floatArray, lineParts)) 125 { 126 std::ostringstream os; 127 os << "Error parsing .spimtx file. "; 128 os << "File must contain all float entries. "; 129 throw Exception(os.str().c_str()); 130 } 131 132 133 // Put the bits in the right place 134 LocalCachedFileRcPtr cachedFile = LocalCachedFileRcPtr(new LocalCachedFile()); 135 136 cachedFile->m44[0] = floatArray[0]; 137 cachedFile->m44[1] = floatArray[1]; 138 cachedFile->m44[2] = floatArray[2]; 139 cachedFile->m44[3] = 0.0f; 140 141 cachedFile->m44[4] = floatArray[4]; 142 cachedFile->m44[5] = floatArray[5]; 143 cachedFile->m44[6] = floatArray[6]; 144 cachedFile->m44[7] = 0.0f; 145 146 cachedFile->m44[8] = floatArray[8]; 147 cachedFile->m44[9] = floatArray[9]; 148 cachedFile->m44[10] = floatArray[10]; 149 cachedFile->m44[11] = 0.0f; 150 151 cachedFile->m44[12] = 0.0f; 152 cachedFile->m44[13] = 0.0f; 153 cachedFile->m44[14] = 0.0f; 154 cachedFile->m44[15] = 1.0f; 155 156 cachedFile->offset4[0] = floatArray[3] / 65535.0f; 157 cachedFile->offset4[1] = floatArray[7] / 65535.0f; 158 cachedFile->offset4[2] = floatArray[11] / 65535.0f; 159 cachedFile->offset4[3] = 0.0f; 160 161 return cachedFile; 162 } 163 164 void LocalFileFormat::BuildFileOps(OpRcPtrVec & ops, 165 const Config& /*config*/, 166 const ConstContextRcPtr & /*context*/, 167 CachedFileRcPtr untypedCachedFile, 168 const FileTransform& fileTransform, 169 TransformDirection dir) const 170 { 171 LocalCachedFileRcPtr cachedFile = DynamicPtrCast<LocalCachedFile>(untypedCachedFile); 172 173 if(!cachedFile) // This should never happen. 174 { 175 std::ostringstream os; 176 os << "Cannot build SpiMtx Ops. Invalid cache type."; 177 throw Exception(os.str().c_str()); 178 } 179 180 TransformDirection newDir = CombineTransformDirections(dir, 181 fileTransform.getDirection()); 182 183 CreateMatrixOffsetOp(ops, 184 cachedFile->m44, 185 cachedFile->offset4, 186 newDir); 187 } 188 } 189 190 FileFormat * CreateFileFormatSpiMtx() 191 { 192 return new LocalFileFormat(); 193 } 194 } 195 OCIO_NAMESPACE_EXIT 196