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src/java.desktop/share/classes/com/sun/imageio/plugins/png/PNGImageWriter.java

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   1 /*
   2  * Copyright (c) 2000, 2005, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


1217                 // MODE_EXPLICIT is not allowed
1218             default:
1219             }
1220         }
1221 
1222         // Initialize bitDepth and colorType
1223         metadata.initialize(new ImageTypeSpecifier(im), numBands);
1224 
1225         // Overwrite IHDR width and height values with values from image
1226         metadata.IHDR_width = destWidth;
1227         metadata.IHDR_height = destHeight;
1228 
1229         this.bpp = numBands*((metadata.IHDR_bitDepth == 16) ? 2 : 1);
1230 
1231         // Initialize scaling tables for this image
1232         initializeScaleTables(sampleModel.getSampleSize());
1233 
1234         clearAbortRequest();
1235 
1236         processImageStarted(0);
1237 


1238         try {
1239             write_magic();
1240             write_IHDR();
1241 
1242             write_cHRM();
1243             write_gAMA();
1244             write_iCCP();
1245             write_sBIT();
1246             write_sRGB();
1247 
1248             write_PLTE();
1249 
1250             write_hIST();
1251             write_tRNS();
1252             write_bKGD();
1253 
1254             write_pHYs();
1255             write_sPLT();
1256             write_tIME();
1257             write_tEXt();
1258             write_iTXt();
1259             write_zTXt();
1260 
1261             writeUnknownChunks();
1262 
1263             write_IDAT(im, deflaterLevel);
1264 
1265             if (abortRequested()) {
1266                 processWriteAborted();
1267             } else {
1268                 // Finish up and inform the listeners we are done
1269                 writeIEND();
1270                 processImageComplete();
1271             }
1272         } catch (IOException e) {
1273             throw new IIOException("I/O error writing PNG file!", e);

1274         }
1275     }
1276 }
   1 /*
   2  * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


1217                 // MODE_EXPLICIT is not allowed
1218             default:
1219             }
1220         }
1221 
1222         // Initialize bitDepth and colorType
1223         metadata.initialize(new ImageTypeSpecifier(im), numBands);
1224 
1225         // Overwrite IHDR width and height values with values from image
1226         metadata.IHDR_width = destWidth;
1227         metadata.IHDR_height = destHeight;
1228 
1229         this.bpp = numBands*((metadata.IHDR_bitDepth == 16) ? 2 : 1);
1230 
1231         // Initialize scaling tables for this image
1232         initializeScaleTables(sampleModel.getSampleSize());
1233 
1234         clearAbortRequest();
1235 
1236         processImageStarted(0);
1237         if (abortRequested()) {
1238             processWriteAborted();
1239         } else {
1240             try {
1241                 write_magic();
1242                 write_IHDR();
1243 
1244                 write_cHRM();
1245                 write_gAMA();
1246                 write_iCCP();
1247                 write_sBIT();
1248                 write_sRGB();
1249 
1250                 write_PLTE();
1251 
1252                 write_hIST();
1253                 write_tRNS();
1254                 write_bKGD();
1255 
1256                 write_pHYs();
1257                 write_sPLT();
1258                 write_tIME();
1259                 write_tEXt();
1260                 write_iTXt();
1261                 write_zTXt();
1262 
1263                 writeUnknownChunks();
1264 
1265                 write_IDAT(im, deflaterLevel);
1266 
1267                 if (abortRequested()) {
1268                     processWriteAborted();
1269                 } else {
1270                     // Finish up and inform the listeners we are done
1271                     writeIEND();
1272                     processImageComplete();
1273                 }
1274             } catch (IOException e) {
1275                 throw new IIOException("I/O error writing PNG file!", e);
1276             }
1277         }
1278     }
1279 }
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