Adding gdispGDrawThickArc() demo

demos/modules/gdisp/thickarcs/demo.mk

@@ -0,0 +1,3 @@
+DEMODIR  = $(GFXLIB)/demos/modules/gdisp/thickarcs
+GFXINC  += $(DEMODIR)
+GFXSRC  += $(DEMODIR)/main.c

demos/modules/gdisp/thickarcs/gfxconf.h

@@ -0,0 +1,48 @@
+/*
+ * 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.
+ */
+
+#ifndef _GFXCONF_H
+#define _GFXCONF_H
+
+/* The operating system to use. One of these must be defined - preferably in your Makefile */
+//#define GFX_USE_OS_CHIBIOS	FALSE
+//#define GFX_USE_OS_WIN32		FALSE
+//#define GFX_USE_OS_LINUX		FALSE
+//#define GFX_USE_OS_OSX		FALSE
+
+/* GFX sub-systems to turn on */
+#define GFX_USE_GDISP			TRUE
+
+/* Features for the GDISP subsystem. */
+#define GDISP_NEED_VALIDATION	TRUE
+#define GDISP_NEED_ARC			TRUE
+
+
+#endif /* _GFXCONF_H */
+

demos/modules/gdisp/thickarcs/main.c

@@ -0,0 +1,62 @@
+/*
+ * 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"
+
+// This function draws a thick arc and a non-thick arc together
+static void _drawCombinedArc(int x, int y, int angle1, int angle2)
+{
+	gdispDrawThickArc(x, y, 40, 60, angle1, angle2, Red);
+	gdispDrawArc(x, y, 50, angle1, angle2, White);
+}
+
+int main(void)
+{
+	int i = 35;
+
+    // Initialize the uGFX library
+    gfxInit();
+
+	while(TRUE) {
+		// Clear the entire screen
+		gdispClear(Black);
+
+		// Draw some thick arcs with an outline
+		_drawCombinedArc(150, 150, (i / 360) * 15 + 55, 55+i);
+		_drawCombinedArc(300, 150, 100+i, (i / 360) * 15 + 100);
+		_drawCombinedArc(300, 300, (i / 360) * 15 + 145, 145+i);
+		_drawCombinedArc(150, 300, (i / 360) * 15 + 195, 195-i);
+		
+		// Draw different arcs the next time
+		i++;
+
+		// Wait a bit
+		gfxSleepMilliseconds(20);
+	}
+}