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https://github.com/ImageMagick/ImageMagick/issues/1307

https://github.com/ImageMagick/ImageMagick/issues/1307

https://github.com/ImageMagick/ImageMagick/issues/1307

MagickCore/attribute.c: remove redundant check (#1313)

atDepth is assigned "true" in line 324

https://github.com/ImageMagick/ImageMagick/issues/1305

Corrected patch.

Added support for arithmetic coding to the jpeg encoder.

Fixed several issues with FormatMagickCaption.

Fixed build.

Report libjpeg-turbo version.

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coders/xpm.c: remove unused check
found by coverity

there's already check against NULL in line 382

Reverted patch.

Minor refactoring.

MagickCore/pixel-accessor.h: resolve null pointer dereference
found by coverity

Added DrawGetTypeMetrics.

Also call png_set_chunk_malloc_max when png:chunk-malloc-max is not set to avoid low build in limit #1301.

Fixed possible multithreading issue.

coders/pgx.c: remove unused code
found by coverity

there's already check against NULL in line 176

coders/cut.c: remove unused code
found by coverity

clone_info is assigned NULL at line 317

MagickCore/annotate.c: remove unneeded check

line 631:

if ((width <= image->columns) || (s == (char *) NULL))

so, "s" cannot be NULL

coders/cut.c: remove unused code
found by coverity

pallete is assigned NULL in line 372

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https://imagemagick.org/discourse-server/viewtopic.php?f=3&t=34675

https://imagemagick.org/discourse-server/viewtopic.php?f=3&t=34675

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https://github.com/ImageMagick/ImageMagick/issues/1296

https://github.com/ImageMagick/ImageMagick/issues/1279

https://github.com/ImageMagick/ImageMagick/issues/1279

Fixed bug in screenshot coder reported in #1276.

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MagickCore/xwindow.c: remove not needed check (#1292)

found by cppcheck

there's already check in line 3367
https://github.com/ImageMagick/ImageMagick/blob/master/MagickCore/xwindow.c#L3367

https://github.com/ImageMagick/ImageMagick/issues/1295

Fixed reading the number of layers.

Minor refactoring.

Fixed tiff compression issue reported in #1297 and fixed support for quantum:polarity.

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8885

Add R's magick package to the list

https://github.com/ImageMagick/ImageMagick/issues/1273

Some minor code style tweaks.

Align pixel orientation with exif:Orientation in HEIC decoder (#1233)

* Align pixel orientation with exif:Orientation in HEIC decoder

It turns out that in HEIC the pixels are never rotated and the metadata only
indicates the orientation of the sensor when the photo was taken.

Hence, there was a discrepancy between `Image->orientation` and actual pixel
orientation in images loaded with the `heic` coder. Particularly, this led to
incorrect behavior of the `-auto-orient` which in this case tried to compensate
non-existing pixel rotation.

https://github.com/ImageMagick/ImageMagick/issues/1232

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10197

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10202

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MagickWand/drawing-wand.c: resolve several null pointer dereferences
found by cppcheck

[MagickWand/drawing-wand.c:177] -> [MagickWand/drawing-wand.c:175]: (warning) Either the condition 'wand!=(DrawingWand*)NULL' is redundant or there is possible null pointer dereference: wand.
[MagickWand/drawing-wand.c:4540] -> [MagickWand/drawing-wand.c:4538]: (warning) Either the condition 'wand!=(DrawingWand*)NULL' is redundant or there is possible null pointer dereference: wand.
[MagickWand/drawing-wand.c:4682] -> [MagickWand/drawing-wand.c:4680]: (warning) Either the condition 'wand!=(DrawingWand*)NULL' is redundant or there is possible null pointer dereference: wand.

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MagickCore/draw.c: check against null is not needed here

Use the width and height of the extract area when no size is specified.

Removed pragma messages as requested in #1275.

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9435

https://github.com/ImageMagick/ImageMagick/issues/1273

https://github.com/ImageMagick/ImageMagick/issues/1285

https://github.com/ImageMagick/ImageMagick/issues/1286

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10106

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10085

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10115

resolve several null pointer dereferences
found by cppcheck

[MagickCore/draw.c:881] -> [MagickCore/draw.c:879]: (warning) Either the condition 'draw_info!=(DrawInfo*)NULL' is redundant or there is possible null pointer dereference: draw_info.
[MagickCore/fx.c:3966] -> [MagickCore/fx.c:3964]: (warning) Either the condition 'image!=(Image*)NULL' is redundant or there is possible null pointer dereference: image.
[MagickCore/fx.c:5009] -> [MagickCore/fx.c:5006]: (warning) Either the condition 'right_image!=(const Image*)NULL' is redundant or there is possible null pointer dereference: right_image.
[MagickCore/montage.c:168] -> [MagickCore/montage.c:166]: (warning) Either the condition 'montage_info!=(MontageInfo*)NULL' is redundant or there is possible null pointer dereference: montage_info.
[MagickCore/montage.c:416] -> [MagickCore/montage.c:415]: (warning) Either the condition 'master_list==(Image**)NULL' is redundant or there is possible null pointer dereference: image_list.
[MagickCore/nt-base.c:1792] -> [MagickCore/nt-base.c:1797]: (warning) Either the condition 'entry!=(DIR*)NULL' is redundant or there is possible null pointer dereference: entry.
[MagickWand/drawing-wand.c:177] -> [MagickWand/drawing-wand.c:175]: (warning) Either the condition 'wand!=(DrawingWand*)NULL' is redundant or there is possible null pointer dereference: wand.
[MagickWand/drawing-wand.c:4540] -> [MagickWand/drawing-wand.c:4538]: (warning) Either the condition 'wand!=(DrawingWand*)NULL' is redundant or there is possible null pointer dereference: wand.
[MagickWand/drawing-wand.c:4682] -> [MagickWand/drawing-wand.c:4680]: (warning) Either the condition 'wand!=(DrawingWand*)NULL' is redundant or there is possible null pointer dereference: wand.
[coders/msl.c:575] -> [coders/msl.c:555]: (warning) Either the condition 'image==(Image*)NULL' is redundant or there is possible null pointer dereference: image.

MagickCore/constitute.c: resolve possible null pointer dereference
found by cppcheck

[MagickCore/constitute.c:1074] -> [MagickCore/constitute.c:1071]: (warning) Either the condition 'image!=(Image*)NULL' is redundant or there is possible null pointer dereference: image.

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Fix compiler warning about unused function.

When neither of those compiler macros are available, the compiler is going to spit a warning about the unused static function.

```
coders/miff.c:164:14: warning: 'AcquireCompressionMemory' defined but not used [-Wunused-function]
 static void *AcquireCompressionMemory(void *context,const size_t items,
```

Fix this by making sure the static function is only defined when it's going to be used.

Return UndefinedOptionFlag instead of -1.

https://www.imagemagick.org/discourse-server/viewtopic.php?f=1&t=34639

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https://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=34644

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https://github.com/ImageMagick/ImageMagick/issues/1269

https://github.com/ImageMagick/ImageMagick/issues/1269

Fixed incorrect blob referencing.

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https://github.com/ImageMagick/ImageMagick/issues/1268

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https://github.com/ImageMagick/ImageMagick/issues/1267

Added missing memory checks.

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Advance past '{' of '{}' glob expression

https://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=34636

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https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10058

Revert alpha multiplication patch.

Minor optimization.