Diff: Application/ImageButton.h

Revision:

3:3fabfe3339b8

Parent:

2:efae611de184

Child:

4:a73760d09423

--- a/Application/ImageButton.h	Fri Dec 19 07:37:24 2014 +0000
+++ b/Application/ImageButton.h	Fri Dec 19 09:12:51 2014 +0100
@@ -14,8 +14,8 @@
  *  limitations under the License.
  */
  
-#ifndef BUTTON_H
-#define BUTTON_H
+#ifndef IMAGEBUTTON_H
+#define IMAGEBUTTON_H
 
 #include "Clickable.h"
 #include "Image.h"
@@ -36,12 +36,21 @@
      *  @param y       the upper left corner of the button
      *  @param width   the width of the button
      *  @param height  the height of the button
+     */
+  ImageButton(COLOR_T* fb, uint16_t x, uint16_t y, uint16_t width, uint16_t height);
+  ~ImageButton();
+
+    /** Loads the mandatory "normal" state image and the optional "pressed" state image
+     *
      *  @param imgUp   the image for the normal state
      *  @param imgDown the image for the pressed state (or NULL to use the same)
+     *
+     *  @returns
+     *       true on success
+     *       false on failure
      */
-  ImageButton(COLOR_T* fb, uint16_t x, uint16_t y, uint16_t width, uint16_t height, const char* imgUp, const char* imgDown = 0);
-  ~ImageButton();
-  
+  bool loadImages(const char* imgUp, const char* imgDown = 0);
+
     /** Draws the button
      */
   virtual void draw();
@@ -51,4 +60,4 @@
   Image::ImageData_t _imgDown;
 };
 
-#endif /* BUTTON_H */
+#endif /* IMAGEBUTTON_H */