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matwey / fips3

OpenGL-based FITS image viewer
http://fips.space
GNU Lesser General Public License v3.0
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Fix WidgetToFitsOpenGLTransform in vertical direction #71

Closed matwey closed 6 years ago

matwey commented 6 years ago

It appeared that viewrect vertical coordinates from the top to the bottom. When image is zoomed, the widget to image pixel transform is incorrent. Add unit tests for WidgetToFitsOpenGLTransform and fix the issue.