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Centered zoom in Display view

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Bruno Herbelin
2025-01-05 12:52:45 +01:00
parent e06bb0f9f3
commit 26d35504c8
1 changed files with 6 additions and 0 deletions
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6
src/DisplaysView.cpp
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@@ -376,6 +376,12 @@ void DisplaysView::resize ( int scale )
z *= z; // square
z *= DISPLAYS_MAX_SCALE - DISPLAYS_MIN_SCALE;
z += DISPLAYS_MIN_SCALE;
// centered zoom : if zooming, adjust translation to ratio of scaling
if (scale != size())
scene.root()->translation_ *= z / scene.root()->scale_.x;
// apply scaling
scene.root()->scale_.x = z;
scene.root()->scale_.y = z;
}