removed gwinImageNext() since the image box widget now automatically takes care of animated images

include/gwin/image.h

@@ -32,7 +32,8 @@
 // An image window
 typedef struct GImageObject {
 	GWindowObject	g;
-	gdispImage		image;
+	gdispImage		image;		// The image itself
+	GTimer			timer;		// Timer used for animated images
 } GImageObject;
 
 #ifdef __cplusplus
@@ -104,26 +105,6 @@ bool_t gwinImageOpenMemory(GHandle gh, const void* memory);
  */
 gdispImageError gwinImageCache(GHandle gh);
 
-
-/**
- * @brief	Prepare for the next frame/page in the image file.
- * @return	A time in milliseconds to keep displaying the current frame before trying to draw
- * 			the next frame. Watch out for the special values TIME_IMMEDIATE and TIME_INFINITE.
- * 
- * @param[in] gh   The widget handle (must be an image box handle)
- * 
- * @pre		gwinImageOpenXxx() must have returned successfully.
- *
- * @note	It will return TIME_IMMEDIATE if the first frame/page hasn't been drawn or if the next frame
- * 			should be drawn immediately.
- * @note	It will return TIME_INFINITE if another image frame doesn't exist or an error has occurred.
- * @note	Images that support multiple pages (eg TIFF files) will return TIME_IMMEDIATE between pages
- * 			and then TIME_INFINITE when there are no more pages.
- * @note	An image that displays a looped animation will never return TIME_INFINITE unless it
- * 			gets an error.
- */
-delaytime_t gwinImageNext(GHandle gh);
-
 #ifdef __cplusplus
 }
 #endif

src/gwin/gimage.c

@@ -88,6 +88,27 @@ static const gwinVMT imageVMT = {
 	0,							// The after-clear routine
 };
 
+// This is the callback for the automated redraw for animated images
+static void _animatedRedraw(void* gh) {
+	// draw pending frame
+	_redraw((GHandle)gh);
+
+	// read the delay for the next frame and set the timer
+	gtimerStart(&(widget((GHandle)gh)->timer), _animatedRedraw, (void*)gh, FALSE, gdispImageNext(&(widget((GHandle)gh)->image)));
+}
+
+// check for an animated image
+static bool_t _checkAnimated(GHandle gh) {
+	if (widget(gh)->image.flags & GDISP_IMAGE_FLG_ANIMATED) {
+		gtimerInit(&(widget(gh)->timer));
+		gtimerStart(&(widget(gh)->timer), _animatedRedraw, (void*)gh, FALSE, gdispImageNext(&(widget(gh)->image)));
+
+		return true;
+	}
+
+	return false;
+}
+
 GHandle gwinImageCreate(GImageObject *gobj, GWindowInit *pInit) {
 	if (!(gobj = (GImageObject *)_gwindowCreate(&gobj->g, pInit, &imageVMT, 0)))
 		return 0;
@@ -116,8 +137,11 @@ bool_t gwinImageOpenMemory(GHandle gh, const void* memory) {
 		#if GDISP_NEED_CLIP
 			gdispSetClip(gh->x, gh->y, gh->width, gh->height);
 		#endif
-		_redraw(gh);
 	}
+
+	if(!_checkAnimated(gh))
+		_redraw(gh);
+
 	return TRUE;
 }
 
@@ -138,8 +162,11 @@ bool_t gwinImageOpenFile(GHandle gh, const char* filename) {
 		#if GDISP_NEED_CLIP
 			gdispSetClip(gh->x, gh->y, gh->width, gh->height);
 		#endif
-		_redraw(gh);
 	}
+
+	if(!_checkAnimated(gh))
+		_redraw(gh);
+
 	return TRUE;
 }
 #endif 
@@ -161,8 +188,11 @@ bool_t gwinImageOpenStream(GHandle gh, void *streamPtr) {
 		#if GDISP_NEED_CLIP
 			gdispSetClip(gh->x, gh->y, gh->width, gh->height);
 		#endif
-		_redraw(gh);
 	}
+
+	if(!_checkAnimated(gh))
+		_redraw(gh);
+
 	return TRUE;
 }
 #endif
@@ -171,14 +201,5 @@ gdispImageError gwinImageCache(GHandle gh) {
 	return gdispImageCache(&widget(gh)->image);
 }
 
-delaytime_t gwinImageNext(GHandle gh) {
-	delaytime_t delay;
-
-	delay = gdispImageNext(&widget(gh)->image);
-	_redraw(gh);
-
-	return delay;
-}
-
 #endif // GFX_USE_GWIN && GWIN_NEED_IMAGE
 /** @} */