Fixed update of peak indicator

adamples · May 14, 2018 · e31dd53 · e31dd53
1 parent ac765da
commit e31dd53
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Showing 3 changed files with 11 additions and 0 deletions.
diff --git a/src/main.c b/src/main.c
@@ -59,6 +59,7 @@ vu_meter_update(vu_meter_t *meter, uint8_t angle)
 
   needle_sprite_draw(&(meter->needle), angle);
   needle_sprite_add_to_extents(&(meter->needle), &(meter->update_extents));
+  progmem_image_sprite_add_to_extents(&PEAK_INDICATOR_SPRITE, &(meter->update_extents));
   update_extents_optimize(&(meter->update_extents));
 
   display_update_partial_async(&(meter->display), &(meter->update_extents));

diff --git a/src/progmem_image_sprite.c b/src/progmem_image_sprite.c
@@ -44,3 +44,11 @@ progmem_image_sprite_init(progmem_image_sprite_t *image, const uint8_t *data, ui
   image->height = pgm_read_byte(data + 1) / SSD1306_PAGE_HEIGHT;
   image->data = data + 2;
 }
+
+
+void
+progmem_image_sprite_add_to_extents(progmem_image_sprite_t *image, update_extents_t *extents)
+{
+  for (uint8_t page = image->page; page < image->page + image->height; ++page)
+    update_extents_add_region(extents, page, image->column, image->column + image->width - 1);
+}
diff --git a/src/progmem_image_sprite.h b/src/progmem_image_sprite.h
@@ -19,5 +19,7 @@ typedef struct progmem_image_sprite_t_ {
 void progmem_image_sprite_init(progmem_image_sprite_t *image,
   const uint8_t *data, uint8_t column, uint8_t page);
 
+void progmem_image_sprite_add_to_extents(progmem_image_sprite_t *needle, update_extents_t *extents);
+
 
 #endif /* PROGMEM_IMAGE_SPRITE_H */