From df47565bd987cc877855962dce61c3213da9a6f0 Mon Sep 17 00:00:00 2001
From: Kiss-Vamosi Gabor <kisvegabor@gamil.com>
Date: Sun, 15 Jan 2017 21:52:21 +0100
Subject: [PATCH] lv_img, lv_gauge: test depedencies

---
 lv_objx/lv_gauge.h | 19 +++++++++++++++++++
 lv_objx/lv_img.h   |  9 ++++++++-
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/lv_objx/lv_gauge.h b/lv_objx/lv_gauge.h
index 3fce08ac3..ed7c8531c 100644
--- a/lv_objx/lv_gauge.h
+++ b/lv_objx/lv_gauge.h
@@ -10,8 +10,27 @@
  *      INCLUDES
  *********************/
 #include "lv_conf.h"
+#include "misc_conf.h"
 #if USE_LV_GAUGE != 0
 
+/*Testing of dependencies*/
+#if USE_LV_RECT == 0
+#error "lv_gauge: lv_rect is required. Enable it in lv_conf.h (USE_LV_RECT  1) "
+#endif
+
+#if USE_LV_LABEL == 0
+#error "lv_gauge: lv_label is required. Enable it in lv_conf.h (USE_LV_LABEL  1) "
+#endif
+
+#if USE_LV_RECT == 0
+#error "lv_gauge: lv_line is required. Enable it in lv_conf.h (USE_LV_LINE  1) "
+#endif
+
+#if USE_TRIGO == 0
+#error "lv_gauge: trigo is required. Enable it in misc_conf.h (USE_TRIGO  1) "
+#endif
+
+
 #include "../lv_obj/lv_obj.h"
 #include "lv_rect.h"
 #include "lv_label.h"
diff --git a/lv_objx/lv_img.h b/lv_objx/lv_img.h
index 1efe16114..c5a8e4295 100644
--- a/lv_objx/lv_img.h
+++ b/lv_objx/lv_img.h
@@ -13,6 +13,14 @@
 #include "misc_conf.h"
 #if USE_LV_IMG != 0 && USE_FSINT != 0 && USE_UFS != 0
 
+#if USE_FSINT == 0
+#error "lv_img: fsint is required. Enable it in misc_conf.h (USE_FSINT  1) "
+#endif
+
+#if USE_UFS == 0
+#error "lv_img: ufs is required. Enable it in misc_conf.h (USE_UFS  1) "
+#endif
+
 #include "../lv_obj/lv_obj.h"
 #include "misc/fs/fsint.h"
 
@@ -116,7 +124,6 @@ void lv_img_set_auto_size(lv_obj_t * img, bool en);
 
 /**
  * Enable the upscaling with LV_DOWNSCALE.
- * If enabled the object size will be same as the picture size.
  * @param img pointer to an image
  * @param en true: upscale enable, false: upscale disable
  */