> XBM (X Bitmap) images are small one-bit deep images that were developed as a
> simple uncompressed format that could easily be included in C source files as
> include files.
>
> Format of XBM image:
>
>
> #define width w
> #define height h
> static char foo_bits[] = {
> 0xnn,0xnn,0xnn,0xnn,0xnn, .......
> 0xnn,0xnn,0xnn,0xnn, .........
> 0xnn,0xnn,0xnn,0xnn};
>
>
> The first two #defines statements specify the width and height of the bitmap
> in pixels followed by hex byte array which represent pixel data itself.
>
> The current implementation allows an arbitrarily large XBM which is not a
> valid use case for any XBM.
> Also it doesn't validate that the provided byte array is sufficient to
> populate the specified WxH. Since these are small one-bit mono images we have
> set a reasonable size limit to `MAX_XBM_SIZE = 16384 bytes`. This can be set
> to a larger limit if someone thinks it is necessary.
>
> The XBMDecoder's produceImage() has outdated logic, it has been restructured
> by adding more efficient parser logic and better error handling checks.
Harshitha Onkar has updated the pull request incrementally with two additional
commits since the last revision:
- rename
- test summary
-------------
Changes:
- all: https://git.openjdk.org/jdk/pull/26488/files
- new: https://git.openjdk.org/jdk/pull/26488/files/6bbe3e73..f3df2849
Webrevs:
- full: https://webrevs.openjdk.org/?repo=jdk&pr=26488&range=01
- incr: https://webrevs.openjdk.org/?repo=jdk&pr=26488&range=00-01
Stats: 6 lines in 2 files changed: 1 ins; 0 del; 5 mod
Patch: https://git.openjdk.org/jdk/pull/26488.diff
Fetch: git fetch https://git.openjdk.org/jdk.git pull/26488/head:pull/26488
PR: https://git.openjdk.org/jdk/pull/26488
