ABetterXinputCalibrator : A graphic tablet / touchscreen calibrator with multi-monitor support

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https://gitlab.com/Pilatomic/abetterxinputcalibrator Hi all, My GF decided to migrate to Linux, and, digital drawing being one of her hobbies, I spent a few hours trying to get her graphic tablet (a Huion GT-200 V2, with a built-in screen) to work. It was perfectly recognized by the kernel, but the touch events were not properly mapped to the screen ( even using xinput –map-to-output there would still be some error ). I could not find any tool to perform any kind of calibration in a multi-monitor setup (xinput_calibrator would request calibration points on her other screen, which obviously could not be touched). So I wrote a small Qt-based software for this use case. It pops a full screen window on every screen (to capture input events being mapped outside the proper display area) , shows the calibration pattern on the screen of your choices, and then apply the correct Transformation Matrix to the xinput device. It also saves the last screen / input device selected, so no configuration is required at the next usages. Hope it can useful to some of you ! submitted by /u/pilatomic [link] [comments]

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Marisa

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