Graphical demo for the LPC4088 Experiment Base Board with one of the Display Expansion Kits. This program decodes decodes and shows two png images.
Diff: PictureDemo.h
- Revision:
- 0:b567d56a59d7
--- /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 */ +