#include "tools.h"

#define SCREEN_SIZE SCREEN_WIDTH*SCREEN_HEIGHT/2
#define CONTRAST_MIN	0x60
#define CONTRAST_MAX	0xC0

unsigned int getContrast();
void setContrast(unsigned int val);
void drwStr(int x, int y, char* str, int ret);
void putChar(int x, int y, char ch);
void setPixel(int x, int y, unsigned int color);
void dispIMG(int xoff, int yoff, char* img, int width, int height, float inc);
void clrScr();
void drwBufStr(unsigned char* buf, int x, int y, char* str, int ret);
void putBufChar(unsigned char* buf, int x, int y, char ch);
void setBufPixel(unsigned char* buf, int x, int y, unsigned int color);
void dispBufIMG(unsigned char* buf, int xoff, int yoff, char* img, int width, int height, float inc);
void clrScr();
void clrBuf();
void refreshScr(unsigned char* buf);
void clrBox(int x,int y, int w, int h);
void switchRGB(int b);
//int getPixel(int x, int y);
//void drawLine(unsigned int x1, unsigned int y1, unsigned int x2, unsigned int y2, unsigned int color)
void drwVert(int x, int y1, int y2, int color);
void drwHoriz(int y, int x1, int x2, int color);
void drwFullHoriz(int y);
void drwBox(int x1, int y1, int x2, int y2, int color);