Limit exposure of skin engine internals

Drop wps_internals.h from skin_engine.h. The WPS and to a lesser
extent the radio screen are too tightly integrated to drop their
dependency on wps_internals.h, unfortunately. Skinned lists, for
obvious reasons, also need access to the internals.

Change-Id: I00a55aa423900f9ad22edccbe2fc1910af380e38

1 files changed, 4 insertions, 0 deletions

diff --git a/apps/gui/skin_engine/skin_display.h b/apps/gui/skin_engine/skin_display.h
index de1b0b20b5..6226da3eec 100644
--- a/apps/gui/skin_engine/skin_display.h
+++ b/apps/gui/skin_engine/skin_display.h
@@ -54,4 +54,8 @@ void write_line(struct screen *display, struct align_pos *format_align,
                 int line, bool scroll, struct line_desc *line_desc);
 void draw_peakmeters(struct gui_wps *gwps, int line_number,
                      struct viewport *viewport);
+/* Draw the album art bitmap from the given handle ID onto the given Skin.
+   Call with clear = true to clear the bitmap instead of drawing it. */
+void draw_album_art(struct gui_wps *gwps, int handle_id, bool clear);
+
 #endif