From 630989d6b4a367ed16517be44f282b13a001c611 Mon Sep 17 00:00:00 2001
From: Joel Bodenmann <joel@unormal.org>
Date: Mon, 28 Oct 2013 00:42:38 +0100
Subject: updated GDISP and GWIN demos

---
 demos/modules/gdisp/images_animated/main.c | 118 +++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 demos/modules/gdisp/images_animated/main.c

(limited to 'demos/modules/gdisp/images_animated/main.c')

diff --git a/demos/modules/gdisp/images_animated/main.c b/demos/modules/gdisp/images_animated/main.c
new file mode 100644
index 00000000..9b2b5d2c
--- /dev/null
+++ b/demos/modules/gdisp/images_animated/main.c
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2012, 2013, Joel Bodenmann aka Tectu <joel@unormal.org>
+ * Copyright (c) 2012, 2013, Andrew Hannam aka inmarket
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * Neither the name of the <organization> nor the
+ *      names of its contributors may be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "gfx.h"
+
+#define USE_IMAGE_CACHE			FALSE						// Only if you want to get performance at the expense of RAM
+#define MY_BG_COLOR				RGB2COLOR(220, 220, 255)	// Pale blue so we can see the transparent parts
+
+#ifdef WIN32
+	#define USE_MEMORY_FILE		TRUE				// Can be true or false for Win32
+#else
+	#define USE_MEMORY_FILE		TRUE				// Non-Win32 - use the compiled in image
+#endif
+
+#define SHOW_ERROR(color)		gdispFillArea(errx, erry, errcx, errcy, color)
+
+#if USE_MEMORY_FILE
+	#include "testanim.h"
+#endif
+
+static gdispImage myImage;
+
+/**
+ * This demo display the animated gif (either directly from a file or from a
+ * file encoded in flash.
+ * To show the various stages of encoding it displays a colored bar down the
+ * right hand side of the display to indicate what is happenning.
+ * Green	- Image has completed and is displayed correctly
+ * Red		- A really bad image fault. We couldn't open the image
+ * Yellow	- Waiting to decode the next animation frame
+ * Orange	- Decoding a frame has produced an error.
+ */
+int main(void) {
+	coord_t			swidth, sheight, errx, erry, errcx, errcy;
+	delaytime_t		delay;
+
+	gfxInit();		// Initialize the display
+
+	gdispClear(MY_BG_COLOR);
+
+	// Get the display dimensions
+	swidth = gdispGetWidth();
+	sheight = gdispGetHeight();
+
+	// Work out our error indicator area
+	errx = swidth-10;
+	erry = 0;
+	errcx = 10;
+	errcy = sheight;
+
+	// Set up IO for our image
+#if USE_MEMORY_FILE
+	gdispImageSetMemoryReader(&myImage, testanim);
+#else
+	gdispImageSetFileReader(&myImage, "testanim.gif");
+#endif
+
+	if (gdispImageOpen(&myImage) == GDISP_IMAGE_ERR_OK) {
+		gdispImageSetBgColor(&myImage, MY_BG_COLOR);
+		// Adjust the error indicator area if necessary
+		if (myImage.width > errx && myImage.height < sheight) {
+			errx = 0; erry = sheight-10;
+			errcx = swidth; errcy = 10;
+		}
+		while(1) {
+			#if USE_IMAGE_CACHE
+				gdispImageCache(&myImage);
+			#endif
+			if (gdispImageDraw(&myImage, 0, 0, myImage.width, myImage.height, 0, 0) != GDISP_IMAGE_ERR_OK) {
+				SHOW_ERROR(Orange);
+				break;
+			}
+			delay = gdispImageNext(&myImage);
+			if (delay == TIME_INFINITE) {
+				SHOW_ERROR(Green);
+				break;
+			}
+			SHOW_ERROR(Yellow);
+			if (delay != TIME_IMMEDIATE)
+				gfxSleepMilliseconds(delay);
+		}
+		gdispImageClose(&myImage);
+	} else
+		SHOW_ERROR(Red);
+
+	while(1) {
+		gfxSleepMilliseconds(1000);
+	}
+
+	return 0;
+}
+
-- 
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