Diff: GlobeDemo.h

Revision:

0:7dd43900b657

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/GlobeDemo.h	Wed Jan 08 10:05:12 2014 +0000
@@ -0,0 +1,63 @@
+
+#ifndef GLOBEDEMO_H
+#define GLOBEDEMO_H
+
+#include "Graphics.h"
+#include "GFXFb.h"
+
+class GlobeDemo {
+public:
+
+    /** Set the address of the frame buffer to use.
+     *
+     *  It is the content of the frame buffer that is shown on the
+     *  display. All the drawing on the frame buffer can be done
+     *  'offline' and whenever it should be shown this function
+     *  can be called with the address of the offline frame buffer.
+     *
+     *  @param pFrameBuf  Pointer to the frame buffer, which must be
+     *                    3 times as big as the frame size (for tripple
+     *                    buffering).
+     *         dispWidth  The width of the display (in pixels).
+     *         dispHeight The height of the display (in pixels).
+     *         loops      Number of loops in the demo code.
+     *         delayMs    Delay in milliseconds between schreen updates.
+     *
+     *  @returns
+     *       none
+     */
+    GlobeDemo(uint8_t *pFrameBuf, uint16_t dispWidth, uint16_t dispHeight);
+    
+    void run(uint32_t loops, uint32_t delayMs);
+
+private:
+    enum Constants {
+        BACKGROUND_COLOR         = BLACK,
+        LARGE_CIRCLE_COLOR       = 0x39e7, //DARK_GRAY
+        SMALL_CIRCLE_FRONT_COLOR = WHITE,
+        SMALL_CIRCLE_BACK_COLOR  = 0x7bef, //LIGHT_GRAY
+    };
+
+    int32_t windowX;
+    int32_t windowY;
+    uint16_t *pFrmBuf;
+    uint16_t *pFrmBuf1;
+    uint16_t *pFrmBuf2;
+    uint16_t *pFrmBuf3;
+    
+    Graphics graphics;
+    
+    unsigned short isqrt(unsigned long a) const;
+    short _sin(short y) const;
+    short _cos(short y) const;
+    short isine(short x) const;
+    short icosine(short x) const;
+    void rotate_z(uint32_t angle);
+    void rotate_y(uint32_t angle);
+    void initialize();
+    void render(uint32_t idx);
+
+};
+
+#endif /* GLOBEDEMO_H */
+