On Tue, 21 Jan 2025 20:06:55 GMT, Harshitha Onkar <hon...@openjdk.org> wrote:

>> ICC_Profile.setData(..) does validation of the specified tag contents and 
>> throws an exception if it is not valid. But if the tag represents the 
>> header, at least some of the validation is lazy, occurring only when the 
>> data is used, leading to unexpected exceptions at a later time. The check 
>> should be done up-front when the data is set, as in other cases.
>> 
>>  `verifyHeader(byte[] data)`is called when header data is being updated and 
>> the following fields are validated according to the ICC Spec Document. [[1] 
>> Pg#19](https://www.color.org/specification/ICC.1-2022-05.pdf). 
>> 
>> - Profile/Device class
>> - Color Space
>> - Rendering Intent
>> - PCS
>> - Header Size check (ICC Header Size = 128 bytes)
>> 
>> These validation checks are added to ICC_Profile.getInstance(..) & 
>> ICC_Profile.setData(..) methods.
>> 
>> Reference: [1] https://www.color.org/specification/ICC.1-2022-05.pdf
>
> Harshitha Onkar has updated the pull request incrementally with one 
> additional commit since the last revision:
> 
>   Runtime Exception added

@mrserb Discussed Rendering Intent and other cases with Phil and he thinks all 
the current validation checks look good as-is and no changes are required. 
Please refer to his latest comment 
https://github.com/openjdk/jdk/pull/23044#issuecomment-2619867896

-------------

PR Comment: https://git.openjdk.org/jdk/pull/23044#issuecomment-2626079398

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