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Fix image artifacts when enabling zoom1#102

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Fix image artifacts when enabling zoom1#102
abaeyens wants to merge 1 commit into
ros-visualization:rolling-develfrom
abaeyens:abaeyens/rolling/fix-zoom1-artifacts

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@abaeyens abaeyens commented May 14, 2026

Fix #85

What this fixes: the scaling artefacts are now gone because a true 1-to-1 pixel mapping occurs from image message to the display, without scaling twice in between.

What this probably does not fix: the frame size still isn't handled correctly, it just got hidden because got set to zero. I'm afraid it will arise again when people including this code set to a non-zero value.

Solves ros-visualization#85

What this fixes: the scaling artefacts are now gone because a true 1-to-1 pixel mapping occurs from image message to the display, without scaling twice in between.

What this _probably_ does not fix: the frame size still isn't handled correctly, it just got hidden because  got set to zero. I'm afraid it will arise again when people including this code set  to a non-zero value.

Signed-off-by: Arne Baeyens <mail@arnebaeyens.com>
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Enabling zoom1 zooms image, scaling artifacts

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