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Adding some arbitrary limits to the zoom out/in.

This commit is contained in:
sergiotarxz 2022-03-06 19:16:22 +01:00
parent 60e3291190
commit 49d41b5a43
1 changed files with 13 additions and 3 deletions
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16
src/view/chapter_view.c
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@ -70,9 +70,19 @@ set_image_dimensions (GtkWidget *picture,
GdkPaintable *paintable = gtk_picture_get_paintable (GTK_PICTURE (picture));
GtkWidget *views_leaflet = GTK_WIDGET (chapter_visor_data->views_leaflet);
gdouble scale_factor = log (scale) / 20 + log (chapter_visor_data->zoom);
chapter_visor_data->zoom = pow (M_E, scale_factor);
guint width = gtk_widget_get_allocated_width
(views_leaflet) * chapter_visor_data->zoom;
gdouble final_zoom = pow (M_E, scale_factor);
guint views_leaflet_width = gtk_widget_get_allocated_width (views_leaflet);
if (final_zoom > 3) {
final_zoom = 3;
}
if (final_zoom < 1/3) {
final_zoom = 1/3;
}
chapter_visor_data->zoom = final_zoom;
if (views_leaflet_width > 600) {
views_leaflet_width = 300;
}
guint width = views_leaflet_width * chapter_visor_data->zoom;
gdk_paintable_compute_concrete_size (
paintable,
width,