[PATCH v8] gdi32/tests: Add tests for the advanced graphics mode

[Ralf Habacker]

Am 10.02.21 um 11:40 schrieb Huw Davies:
> On Wed, Feb 10, 2021 at 11:02:49AM +0100, Ralf Habacker wrote:
>> The tests are designed to support an automated mode and an interactive
>> mode.
>>
>> In automated mode, only tests where the angle used is a multiple of pi/4
>> are performed to increase the chance of matching images created on Windows.
>>
>> In interactive test mode, an image is generated for each test for visual
>> verification.
> 
> Do you have plans to work on the implementation fixes?

yes

> It's probably better to start with that and then write specific
> tests that are easy to get the implementation correct for.

I have a working patch, which fixes issues for Arc, Chord, Ellipse and
Pie (see appended screenshots)

> Adding random tests at this point will likely make the fixing
> the implementation harder

I removed all not working tests from the automatic mode with v9.

Ralf
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