<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="margin: 0;">Hi allan:</div><div style="margin: 0;"><br></div><div style="margin: 0;">there is picture, win7 vs 1.0.24 vs 1.0.29</div><div style="margin: 0;"><a href="https://drive.google.com/file/d/19-ahQYcj6TK9ZPtdi2Eh9-V3nImeEzys/view">https://drive.google.com/file/d/19-ahQYcj6TK9ZPtdi2Eh9-V3nImeEzys/view</a></div><div style="margin: 0;">1.0.24 only little red;</div><div style="margin: 0;">1.0.29 only little brightness problem.</div><div style="margin: 0;"><br></div><div style="margin: 0;">And I want to try fix it, if you can help me. I also do some <span style="font-family: arial; white-space: pre-wrap;">reverse engineered. :P</span></div><div style="margin: 0;"><span style="font-family: arial; white-space: pre-wrap;"><br></span></div><div style="margin: 0;"><span style="font-family: arial; white-space: pre-wrap;">tony</span></div><pre><br>At 2020-03-20 08:19:05, "m. allan noah" <kitno455@gmail.com> wrote:
>Thanks for the report. I've been unable to correct the calibration
>issues on these scanners in the past, as all the calibration code is
>reverse engineered. It would be helpful if someone else could pick it
>up and try to improve it.
>
>allan
>
>On Thu, Mar 19, 2020 at 10:58 AM Tony <kangear@163.com> wrote:
>>
>> Hi all, I tried to test Canon P215II, backend version: 1.0.29.
>>
>> ./scanimage --format=png > test.png
>> > test.png is gray;
>>
>> ./scanimage --format=png --mode=Color > test.png
>> > test.png is color, but seems brightness high. The image looks like adjust brightness to max effect on Windows OS;
>>
>> ./scanimage --format=png --mode=Color --brightness=-100 > test.png
>> > test.png always like that, Maybe brightness option has no effect for now.
>>
>> And scan speed is slow.
>>
>> that's all. if you need more, just email me. I'll try to be the best tester. :P
>>
>> kangear
>
>
>
>--
>"well, I stand up next to a mountain- and I chop it down with the edge
>of my hand"
</pre></div>