On Sat, 1 Mar 2025 01:11:45 GMT, Harshitha Onkar <hon...@openjdk.org> wrote:
>> Built-in Profiles are singleton objects and if the user happens to modify
>> this shared profile object via setData() then the modified version of the
>> profile is returned each time the same built-in profile is requested via
>> getInstance().
>>
>> It is good to protect Built-in profiles from such direct modification by
>> adding BuiltIn profile check in `setData()` such that **only copies** of
>> Built-In profiles are allowed to be updated.
>>
>> With the proposed fix, if Built-In profile is updated using `.setData()` it
>> throws _**IAE - "BuiltIn profile cannot be modified"**_
>>
>> There are no restrictions on creating copies of BuiltIn profile and then
>> modifying it, but what is being restricted with this fix is - the direct
>> modification of the shared BuiltIn profile instance.
>>
>> Applications which need a modified version of the ICC Profile should instead
>> do the following:
>>
>>
>> byte[] profileData = ICC_Profile.getData() // get the byte array
>> representation of BuiltIn- profile
>> ICCProfile newProfile = ICC_Profile.getInstance(profileData) // create a new
>> profile
>> newProfile.setData() // to modify and customize the profile
>>
>>
>> Following existing tests are modified to update a copy of Built-In profile.
>>
>> - java/awt/color/ICC_Profile/SetHeaderInfo.java
>> - java/awt/color/ICC_ProfileSetNullDataTest.java
>> - sun/java2d/cmm/ProfileOp/SetDataTest.java
>
> Harshitha Onkar has updated the pull request incrementally with one
> additional commit since the last revision:
>
> doc update
src/java.desktop/share/classes/java/awt/color/ICC_Profile.java line 784:
> 782: * Note: {@code ProfileDeferralInfo} is used for only built-in
> profile
> 783: * creation and all built-in profiles should be constructed using it.
> 784: * </p>
</p> is not necessary here.
src/java.desktop/share/classes/java/awt/color/ICC_Profile.java line 1156:
> 1154: * {@link ColorSpace#CS_sRGB}, {@link ColorSpace#CS_LINEAR_RGB},
> 1155: * {@link ColorSpace#CS_PYCC}, {@link ColorSpace#CS_GRAY} or
> 1156: * {@link ColorSpace#CS_CIEXYZ}.
The standard profile could be acquired by the application via serialization as
well, but I'm not sure if we should mention it.
src/java.desktop/share/classes/java/awt/color/ICC_Profile.java line 1169:
> 1167: * @throws IllegalArgumentException if this is a built-in profile
> for one
> 1168: * of the pre-defined ColorSpaces, i.e. those which can be
> obtained
> 1169: * by calling {@code ICC_Profile.getInstance(int
> colorSpaceID)}
can we just ignore it instead and did not use suspicion
IllegalArgumentException for correct parameters? or change the type to
something unrelated to "..ArgumentException"?
-------------
PR Review Comment: https://git.openjdk.org/jdk/pull/23606#discussion_r1977924842
PR Review Comment: https://git.openjdk.org/jdk/pull/23606#discussion_r1977928295
PR Review Comment: https://git.openjdk.org/jdk/pull/23606#discussion_r1977930093
