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| author | Matthew Petroff <[email protected]> | 2016-10-18 15:10:13 -0400 |
|---|---|---|
| committer | raveit65 <[email protected]> | 2017-08-12 22:01:34 +0200 |
| commit | b6a20b77926727af99b39773ee104ffa457c604f (patch) | |
| tree | 16a6ce7fa9b585f4e70d8743554ca30933a554d4 /libview/ev-view.c | |
| parent | 6217ba3214fb0284eb569ed22b5700ad2c6b5817 (diff) | |
| download | atril-b6a20b77926727af99b39773ee104ffa457c604f.tar.bz2 atril-b6a20b77926727af99b39773ee104ffa457c604f.tar.xz | |
Add hi-dpi support for main view.
Based on Evince commits 8b965e769808815df9c75a10a0e4972c0904d26a
and a612f809e4e23d88a661a9604ce84f332189a658.
https://github.com/linuxmint/xreader/commit/4eccf6b
Diffstat (limited to 'libview/ev-view.c')
| -rw-r--r-- | libview/ev-view.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/libview/ev-view.c b/libview/ev-view.c index 0e84a1e4..86eef350 100644 --- a/libview/ev-view.c +++ b/libview/ev-view.c @@ -4467,6 +4467,7 @@ draw_one_page (EvView *view, cairo_surface_t *page_surface = NULL; gint selection_width, selection_height; cairo_surface_t *selection_surface = NULL; + double device_scale_x = 1, device_scale_y = 1; page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page); @@ -4479,6 +4480,10 @@ draw_one_page (EvView *view, return; } +#ifdef HAVE_HIDPI_SUPPORT + cairo_surface_get_device_scale (page_surface, &device_scale_x, &device_scale_y); +#endif + if (page == current_page) hide_loading_window (view); @@ -4494,13 +4499,13 @@ draw_one_page (EvView *view, cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_FAST); cairo_scale (cr, - (gdouble)width / page_width, - (gdouble)height / page_height); + (gdouble)width / page_width * device_scale_x, + (gdouble)height / page_height * device_scale_y); } cairo_surface_set_device_offset (page_surface, - overlap.x - real_page_area.x, - overlap.y - real_page_area.y); + (overlap.x - real_page_area.x) * device_scale_x, + (overlap.y - real_page_area.y) * device_scale_y); cairo_set_source_surface (cr, page_surface, 0, 0); cairo_paint (cr); cairo_restore (cr); @@ -4529,13 +4534,13 @@ draw_one_page (EvView *view, cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_FAST); cairo_scale (cr, - (gdouble)width / selection_width, - (gdouble)height / selection_height); + (gdouble)width / selection_width * device_scale_x, + (gdouble)height / selection_height * device_scale_y); } cairo_surface_set_device_offset (selection_surface, - overlap.x - real_page_area.x, - overlap.y - real_page_area.y); + (overlap.x - real_page_area.x) * device_scale_x, + (overlap.y - real_page_area.y) * device_scale_y); cairo_set_source_surface (cr, selection_surface, 0, 0); cairo_paint (cr); @@ -4877,6 +4882,14 @@ ev_view_class_init (EvViewClass *class) } static void +on_notify_scale_factor (EvView *view, + GParamSpec *pspec) +{ + if (view->document) + view_update_range_and_current_page (view); +} + +static void ev_view_init (EvView *view) { GtkStyleContext *context; @@ -4922,6 +4935,9 @@ ev_view_init (EvView *view) view->pending_scroll = SCROLL_TO_KEEP_POSITION; view->jump_to_find_result = TRUE; view->highlight_find_results = FALSE; + + g_signal_connect (view, "notify::scale-factor", + G_CALLBACK (on_notify_scale_factor), NULL); } /*** Callbacks ***/ |