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LEDText.h
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#ifndef LEDText_h
#define LEDText_h
#define FONT_PROPORTIONAL 0x80
#define BACKGND_ERASE 0x0000
#define BACKGND_LEAVE 0x0001
#define BACKGND_DIMMING 0x0002
#define CHAR_UP 0x0000
#define CHAR_DOWN 0x0004
#define CHAR_LEFT 0x0008
#define CHAR_RIGHT 0x000c
#define SCROLL_LEFT 0x0000
#define SCROLL_RIGHT 0x0010
#define SCROLL_UP 0x0020
#define SCROLL_DOWN 0x0030
#define COLR_RGB 0x0000
#define COLR_HSV 0x0040
#define COLR_SINGLE 0x0000
#define COLR_GRAD 0x0080
#define COLR_CHAR 0x0000
#define COLR_AREA 0x0100
#define COLR_VERT 0x0000
#define COLR_HORI 0x0200
// Pre combined defines to make life easier
#define COLR_GRAD_CV (COLR_GRAD | COLR_CHAR | COLR_VERT)
#define COLR_GRAD_AV (COLR_GRAD | COLR_AREA | COLR_VERT)
#define COLR_GRAD_CH (COLR_GRAD | COLR_CHAR | COLR_HORI)
#define COLR_GRAD_AH (COLR_GRAD | COLR_AREA | COLR_HORI)
#define COLR_EMPTY 0x0400
#define COLR_DIMMING 0x0800
#define INSTANT_OPTIONS_MODE 0x1000
#define EFFECT_CHAR_UP "\xd8"
#define EFFECT_CHAR_DOWN "\xd9"
#define EFFECT_CHAR_LEFT "\xda"
#define EFFECT_CHAR_RIGHT "\xdb"
#define EFFECT_SCROLL_LEFT "\xdc"
#define EFFECT_SCROLL_RIGHT "\xdd"
#define EFFECT_SCROLL_UP "\xde"
#define EFFECT_SCROLL_DOWN "\xdf"
#define EFFECT_RGB "\xe0"
#define EFFECT_HSV "\xe1"
#define EFFECT_RGB_CV "\xe2"
#define EFFECT_HSV_CV "\xe3"
#define EFFECT_RGB_AV "\xe6"
#define EFFECT_HSV_AV "\xe7"
#define EFFECT_RGB_CH "\xea"
#define EFFECT_HSV_CH "\xeb"
#define EFFECT_RGB_AH "\xee"
#define EFFECT_HSV_AH "\xef"
#define EFFECT_COLR_EMPTY "\xf0"
#define EFFECT_COLR_DIMMING "\xf1"
#define EFFECT_BACKGND_ERASE "\xf4"
#define EFFECT_BACKGND_LEAVE "\xf5"
#define EFFECT_BACKGND_DIMMING "\xf6"
#define EFFECT_FRAME_RATE "\xf8"
#define EFFECT_DELAY_FRAMES "\xf9"
#define EFFECT_CUSTOM_RC "\xfa"
/* Binary constant generator macro By Tom Torfs - donated to the public domain */
/* All macro's evaluate to compile-time constants */
#ifndef HEX__
#define HEX__(n) 0x##n##LU
#endif
#ifndef B8__
#define B8__(x) ((x&0x0000000FLU)?1:0) +((x&0x000000F0LU)?2:0) +((x&0x00000F00LU)?4:0) +((x&0x0000F000LU)?8:0) \
+((x&0x000F0000LU)?16:0) +((x&0x00F00000LU)?32:0) +((x&0x0F000000LU)?64:0) +((x&0xF0000000LU)?128:0)
#define B8(d1) ((uint8_t)B8__(HEX__(d1)))
#define B16(d1,d2) ((uint8_t)B8__(HEX__(d1))),((uint8_t)B8__(HEX__(d2)))
#define B24(d1,d2,d3) ((uint8_t)B8__(HEX__(d1))),((uint8_t)B8__(HEX__(d2))),((uint8_t)B8__(HEX__(d3))))
#endif
class cLEDText
{
public:
void SetFont(const uint8_t *FontData);
void Init(cLEDMatrixBase *Matrix, uint16_t Width, uint16_t Height, int16_t OriginX = 0, int16_t OriginY = 0);
void SetBackgroundMode(uint16_t Options, uint8_t Dimming = 0x00);
void SetScrollDirection(uint16_t Options);
void SetTextDirection(uint16_t Options);
void SetTextColrOptions(uint16_t Options, uint8_t ColA1 = 0xff, uint8_t ColA2 = 0xff, uint8_t ColA3 = 0xff, uint8_t ColB1 = 0xff, uint8_t ColB2 = 0xff, uint8_t ColB3 = 0xff);
void SetFrameRate(uint8_t Rate);
void SetOptionsChangeMode(uint16_t Options);
void SetText(unsigned char *Txt, uint16_t TxtSize);
int UpdateText();
uint8_t FontWidth() { return(m_FontWidth); };
uint8_t FontHeight() { return(m_FontHeight); };
private:
void DecodeOptions(uint16_t *tp, uint16_t *opt, uint8_t *backDim, uint8_t *col1, uint8_t *col2, uint8_t *colDim, uint8_t *RC);
cLEDMatrixBase *m_Matrix;
uint8_t m_FontWidth, m_FontHeight, m_FontBase, m_FontUpper, m_FWBytes;
uint16_t m_FCBytes;
const uint8_t *m_FontData;
int16_t m_XMin, m_XMax, m_YMin, m_YMax;
unsigned char *m_pText;
uint16_t m_pSize, m_TextPos, m_Options, m_EOLtp;
uint8_t m_XBitPos, m_YBitPos;
uint8_t m_BackDim, m_ColDim, m_Col1[3], m_Col2[3], m_FrameRate;
uint16_t m_LastDelayTP, m_LastCustomRCTP, m_DelayCounter;
bool m_FProp, Initialised;
};
#endif