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Tweak scaling

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This commit is contained in:
Harry Jeffery 2015-11-11 19:44:30 +00:00
parent 2df8dcd7b1
commit 6adc823b4e
1 changed files with 7 additions and 5 deletions
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12
src/viewport.c
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@ -94,11 +94,13 @@ void imv_viewport_zoom(struct imv_viewport *view, const struct imv_image *img, e
const int wc_x = ww/2;
const int wc_y = wh/2;
view->scale += amount * 0.1;
if(view->scale > 100)
view->scale = 10;
else if (view->scale < 0.01)
view->scale = 0.1;
view->scale += (view->scale / img->width) * amount * 20;
const int min_scale = 0.01;
const int max_scale = 100;
if(view->scale > max_scale)
view->scale = max_scale;
else if (view->scale < min_scale)
view->scale = min_scale;
if(view->scale < prevScale) {
if(scaledWidth < ww) {