Diff: PictureDemo.h

Revision:

0:b567d56a59d7

diff -r 000000000000 -r b567d56a59d7 PictureDemo.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PictureDemo.h	Fri Oct 03 13:30:09 2014 +0000
@@ -0,0 +1,45 @@
+
+#ifndef PICTUREDEMO_H
+#define PICTUREDEMO_H
+
+#include "EaLcdBoardGPIO.h"
+
+class PictureDemo {
+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
+     */
+    PictureDemo(uint8_t *pFrameBuf, uint16_t dispWidth, uint16_t dispHeight);
+    
+    void run(EaLcdBoardGPIO& lcdBoard, int image, uint32_t delayMs);
+
+private:
+    int32_t windowX;
+    int32_t windowY;
+    uint16_t *pFrmBuf;
+    uint16_t *pFrmBuf1;
+    uint16_t *pFrmBuf2;
+    uint16_t *pFrmBuf3;
+    
+    void drawCentered(const unsigned char* pData, int size, uint32_t delayMs);
+};
+
+#endif /* PICTUREDEMO_H */
+