1 /*
2 * Copyright (c) 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
340 if (inData == null) {
341 throw new IllegalArgumentException("inData == null!");
342 }
343 if (imageType == null) {
344 throw new IllegalArgumentException("imageType == null!");
345 }
346
347 GIFWritableImageMetadata im =
348 (GIFWritableImageMetadata)getDefaultImageMetadata(imageType,
349 param);
350
351 // Save interlace flag state.
352
353 boolean isProgressive = im.interlaceFlag;
354
355 convertMetadata(IMAGE_METADATA_NAME, inData, im);
356
357 // Undo change to interlace flag if not MODE_COPY_FROM_METADATA.
358
359 if (param != null && param.canWriteProgressive() &&
360 param.getProgressiveMode() != param.MODE_COPY_FROM_METADATA) {
361 im.interlaceFlag = isProgressive;
362 }
363
364 return im;
365 }
366
367 public void endWriteSequence() throws IOException {
368 if (stream == null) {
369 throw new IllegalStateException("output == null!");
370 }
371 if (!isWritingSequence) {
372 throw new IllegalStateException("prepareWriteSequence() was not invoked!");
373 }
374 writeTrailer();
375 resetLocal();
376 }
377
378 public IIOMetadata getDefaultImageMetadata(ImageTypeSpecifier imageType,
379 ImageWriteParam param) {
380 GIFWritableImageMetadata imageMetadata =
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1 /*
2 * Copyright (c) 2005, 2014, 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
340 if (inData == null) {
341 throw new IllegalArgumentException("inData == null!");
342 }
343 if (imageType == null) {
344 throw new IllegalArgumentException("imageType == null!");
345 }
346
347 GIFWritableImageMetadata im =
348 (GIFWritableImageMetadata)getDefaultImageMetadata(imageType,
349 param);
350
351 // Save interlace flag state.
352
353 boolean isProgressive = im.interlaceFlag;
354
355 convertMetadata(IMAGE_METADATA_NAME, inData, im);
356
357 // Undo change to interlace flag if not MODE_COPY_FROM_METADATA.
358
359 if (param != null && param.canWriteProgressive() &&
360 param.getProgressiveMode() != ImageWriteParam.MODE_COPY_FROM_METADATA) {
361 im.interlaceFlag = isProgressive;
362 }
363
364 return im;
365 }
366
367 public void endWriteSequence() throws IOException {
368 if (stream == null) {
369 throw new IllegalStateException("output == null!");
370 }
371 if (!isWritingSequence) {
372 throw new IllegalStateException("prepareWriteSequence() was not invoked!");
373 }
374 writeTrailer();
375 resetLocal();
376 }
377
378 public IIOMetadata getDefaultImageMetadata(ImageTypeSpecifier imageType,
379 ImageWriteParam param) {
380 GIFWritableImageMetadata imageMetadata =
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