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Allow higher and lower maximum zoom values in GraphEdit

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Low zoom values result in unreadable text, but it can still be
useful for previewing purposes.

Eventually, characters could be replaced by rectangles at very low
zoom levels to improve the visual appearance.

(cherry picked from commit 74c584472c)
This commit is contained in:
Hugo Locurcio 2021-06-08 20:33:07 +02:00 committed by Rémi Verschelde
parent 6d60d92b87
commit 28aacbfe85
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GPG Key ID: C3336907360768E1
1 changed files with 7 additions and 2 deletions
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9
scene/gui/graph_edit.cpp
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@ -41,8 +41,13 @@
#define ZOOM_SCALE 1.2
#define MIN_ZOOM (((1 / ZOOM_SCALE) / ZOOM_SCALE) / ZOOM_SCALE)
#define MAX_ZOOM (1 * ZOOM_SCALE * ZOOM_SCALE * ZOOM_SCALE)
// Allow dezooming 8 times from the default zoom level.
// At low zoom levels, text is unreadable due to its small size and poor filtering,
// but this is still useful for previewing purposes.
#define MIN_ZOOM (1 / Math::pow(ZOOM_SCALE, 8))
// Allow zooming 4 times from the default zoom level.
#define MAX_ZOOM (1 * Math::pow(ZOOM_SCALE, 4))
#define MINIMAP_OFFSET 12
#define MINIMAP_PADDING 5