mirror of
https://github.com/geekammo/MicroView-Arduino-Library.git
synced 2026-03-02 16:24:07 +01:00
font plotting anywhere
This commit is contained in:
JP
548
MicroView.cpp
548
MicroView.cpp
@@ -31,12 +31,30 @@ static uint8_t screenmemory [] = {
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// D6 D6.............D6 /
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// D7 D7.............D7 ----
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0xC0, 0xC0, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0xC0, 0xC0, 0xE0, 0xE0, 0xF0, 0x78, 0xF8, 0xBC, 0xFC, 0xDE, 0xDE, 0xCF, 0xCF, 0xC7, 0xC3, 0xC3, 0xC7, 0x87, 0x8F, 0x0F, 0x1E, 0x1E, 0x3C, 0x78, 0x78, 0xF0, 0xF0, 0xE0, 0xE0, 0xC0, 0xC0, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0xF8, 0xFC, 0xFC, 0xFE, 0xFF, 0xEF, 0xE7, 0xC7, 0xC3, 0x83, 0x01, 0x01, 0x00, 0x0F, 0x1F, 0x3F, 0x71, 0x6E, 0xEE, 0xEF, 0xF3, 0xF7, 0xF6, 0xF9, 0xFD, 0xDD, 0xEB, 0x7F, 0x7E, 0xBC, 0xC0, 0xC0, 0xE0, 0xE0, 0xF0, 0xF1, 0x79, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x0F, 0x0F, 0x1F, 0x1E, 0xFC, 0xFD, 0xF9, 0x7B, 0xF3, 0xE7, 0xEF, 0xCF, 0xDE, 0x9E, 0xBC, 0x3C, 0x78, 0x78, 0xF0, 0xF0, 0xF0, 0xF8, 0xF8, 0xFC, 0xBC, 0xFE, 0xFE, 0xFF, 0xE7, 0xFF, 0xFF, 0xFF, 0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x03, 0x00, 0x00, 0x01, 0x01, 0x03, 0x03, 0x07, 0x07, 0x0F, 0x0F, 0x1E, 0x3F, 0x3F, 0x3F, 0x1F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0x7F, 0x1F, 0x3F, 0x3F, 0x1F, 0x03, 0x07, 0x07, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x0F, 0x07, 0x03, 0x03, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0xC0, 0xC0,
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0xC0, 0xC0, 0xC0, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0xC0, 0xC0,
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0xE0, 0xE0, 0xF0, 0xF0, 0x78, 0x38, 0xDC, 0xDC, 0xFE, 0xFE, 0x6F, 0x6F, 0xE7, 0xE7, 0x63, 0x61,
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0xC1, 0xC1, 0xC3, 0x87, 0x87, 0x0F, 0x0F, 0x1E, 0x1E, 0x3C, 0x3C, 0x78, 0x78, 0xF0, 0xF0, 0xE0,
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0xE0, 0xC0, 0xC0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFC, 0xFE, 0xFE, 0x3F, 0x7F, 0x77, 0xF3, 0xE3,
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0xE1, 0xC1, 0xC0, 0x80, 0x80, 0x07, 0x0F, 0x1F, 0x38, 0x30, 0x36, 0x76, 0x61, 0x61, 0x60, 0x68,
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0x69, 0x66, 0x60, 0x61, 0xB1, 0xBF, 0xDE, 0xC0, 0xE0, 0xF0, 0xF0, 0xF8, 0xF8, 0xFC, 0xBC, 0xBF,
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0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x07, 0x07, 0x0F, 0xFF, 0xFE, 0xFE, 0x3C,
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0x3D, 0x79, 0x7B, 0xF3, 0xF7, 0xE7, 0xCF, 0xCE, 0x9E, 0x9C, 0x3C, 0xF8, 0xF8, 0xF8, 0x7C, 0xFC,
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0xFE, 0xCE, 0xEF, 0xFF, 0xFF, 0xFB, 0xFB, 0x7F, 0xFF, 0xFE, 0xFE, 0x1F, 0x0F, 0xFF, 0xFF, 0xFF,
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0x01, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x03, 0x03, 0x07, 0x07, 0x0F, 0x0F, 0x0F, 0x0F, 0xFF,
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0xFF, 0xFF, 0x03, 0x01, 0x7F, 0xFF, 0x7F, 0x00, 0x1F, 0x3F, 0x1F, 0x00, 0x00, 0x07, 0x0F, 0x07,
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0x00, 0x01, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
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0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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@@ -50,8 +68,13 @@ void MICROVIEW::begin() {
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fontStartChar=pgm_read_byte(fontsPointer[fontType]+3);
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fontTotalChar=pgm_read_byte(fontsPointer[fontType]+4);
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*/
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setFontType(0);
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setFontColor(WHITE);
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setFontDrawMode(NORM);
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setCursor(0,0);
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// Setting up SPI pins
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pinMode(MOSI, OUTPUT);
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pinMode(SCK, OUTPUT);
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@@ -189,222 +212,307 @@ void MICROVIEW::display(void) {
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}
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}
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void MICROVIEW::pixel(uint8_t x, uint8_t y, uint8_t color, uint8_t mode) {
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if ((x<0) || (x>LCDWIDTH-1) || (y<0) || (y>LCDHEIGHT-1))
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return;
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if (mode==XOR) {
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screenmemory[x+ (y/8)*LCDWIDTH] ^= _BV((y%8));
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}
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else {
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if (color==WHITE)
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screenmemory[x+ (y/8)*LCDWIDTH] |= _BV((y%8));
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else
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screenmemory[x+ (y/8)*LCDWIDTH] &= ~_BV((y%8));
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}
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//display();
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}
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// bresenham's algorithm
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void MICROVIEW::line(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, uint8_t color, uint8_t mode) {
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uint8_t steep = abs(y1 - y0) > abs(x1 - x0);
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if (steep) {
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swap(x0, y0);
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swap(x1, y1);
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}
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if (x0 > x1) {
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swap(x0, x1);
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swap(y0, y1);
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}
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uint8_t dx, dy;
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dx = x1 - x0;
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dy = abs(y1 - y0);
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int8_t err = dx / 2;
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int8_t ystep;
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if (y0 < y1) {
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ystep = 1;
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} else {
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ystep = -1;}
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for (; x0<x1; x0++) {
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if (steep) {
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pixel(y0, x0, color, mode);
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#if ARDUINO >= 100
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size_t MICROVIEW::write(uint8_t c) {
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#else
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void MICROVIEW::write(uint8_t c) {
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#endif
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if (c == '\n') {
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cursorY += fontHeight;
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cursorX = 0;
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} else if (c == '\r') {
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// skip em
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} else {
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pixel(x0, y0, color, mode);
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drawChar(cursorX, cursorY, c, fontColor, fontMode);
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cursorX += fontWidth+1;
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if ((cursorX > (LCDWIDTH - fontWidth))) {
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cursorY += fontHeight;
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cursorX = 0;
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}
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}
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err -= dy;
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if (err < 0) {
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y0 += ystep;
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err += dx;
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}
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}
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}
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void MICROVIEW::lineH(uint8_t x, uint8_t y, uint8_t width, uint8_t color, uint8_t mode) {
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line(x,y,x+width,y,color,mode);
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}
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void MICROVIEW::lineV(uint8_t x, uint8_t y, uint8_t height, uint8_t color, uint8_t mode) {
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line(x,y,x,y+height,color,mode);
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}
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void MICROVIEW::rect(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t color , uint8_t mode) {
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uint8_t tempHeight;
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lineH(x,y, width, color, mode);
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lineH(x,y+height-1, width, color, mode);
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tempHeight=height-2;
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// skip drawing vertical lines to avoid overlapping of pixel that will
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// affect XOR plot if no pixel in between horizontal lines
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if (tempHeight<1) return;
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lineV(x,y+1, tempHeight, color, mode);
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lineV(x+width-1, y+1, tempHeight, color, mode);
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}
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void MICROVIEW::rectFill(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t color , uint8_t mode) {
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// TODO - need to optimise the memory map draw so that this function will not call pixel one by one
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for (int i=x; i<x+width;i++) {
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lineV(i,y, height, color, mode);
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#if ARDUINO >= 100
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return 1;
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#endif
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}
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}
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void MICROVIEW::circle(uint8_t x0, uint8_t y0, uint8_t radius, uint8_t color, uint8_t mode) {
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//TODO - find a way to check for no overlapping of pixels so that XOR draw mode will work perfectly
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int8_t f = 1 - radius;
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int8_t ddF_x = 1;
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int8_t ddF_y = -2 * radius;
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int8_t x = 0;
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int8_t y = radius;
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void MICROVIEW::setCursor(uint8_t x, uint8_t y) {
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cursorX=x;
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cursorY=y;
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}
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pixel(x0, y0+radius, color, mode);
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pixel(x0, y0-radius, color, mode);
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pixel(x0+radius, y0, color, mode);
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pixel(x0-radius, y0, color, mode);
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while (x<y) {
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if (f >= 0) {
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y--;
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ddF_y += 2;
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f += ddF_y;
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}
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x++;
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ddF_x += 2;
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f += ddF_x;
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pixel(x0 + x, y0 + y, color, mode);
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pixel(x0 - x, y0 + y, color, mode);
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pixel(x0 + x, y0 - y, color, mode);
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pixel(x0 - x, y0 - y, color, mode);
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void MICROVIEW::pixel(uint8_t x, uint8_t y, uint8_t color, uint8_t mode) {
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if ((x<0) || (x>=LCDWIDTH) || (y<0) || (y>=LCDHEIGHT))
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return;
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pixel(x0 + y, y0 + x, color, mode);
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pixel(x0 - y, y0 + x, color, mode);
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pixel(x0 + y, y0 - x, color, mode);
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pixel(x0 - y, y0 - x, color, mode);
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}
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}
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void MICROVIEW::circleFill(uint8_t x0, uint8_t y0, uint8_t r, uint8_t color, uint8_t mode) {
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// TODO - - find a way to check for no overlapping of pixels so that XOR draw mode will work perfectly
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int8_t f = 1 - r;
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int8_t ddF_x = 1;
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int8_t ddF_y = -2 * r;
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int8_t x = 0;
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int8_t y = r;
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// Temporary disable fill circle for XOR mode.
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if (mode==XOR) return;
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for (uint8_t i=y0-r; i<=y0+r; i++) {
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pixel(x0, i, color, mode);
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}
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while (x<y) {
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if (f >= 0) {
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y--;
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ddF_y += 2;
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f += ddF_y;
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if (mode==XOR) {
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screenmemory[x+ (y/8)*LCDWIDTH] ^= _BV((y%8));
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}
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x++;
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ddF_x += 2;
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f += ddF_x;
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for (uint8_t i=y0-y; i<=y0+y; i++) {
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pixel(x0+x, i, color, mode);
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pixel(x0-x, i, color, mode);
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}
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for (uint8_t i=y0-x; i<=y0+x; i++) {
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pixel(x0+y, i, color, mode);
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pixel(x0-y, i, color, mode);
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}
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else {
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if (color==WHITE)
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screenmemory[x+ (y/8)*LCDWIDTH] |= _BV((y%8));
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else
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screenmemory[x+ (y/8)*LCDWIDTH] &= ~_BV((y%8));
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}
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//display();
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}
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}
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uint8_t MICROVIEW::getFontWidth(void) {
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return fontWidth;
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}
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// bresenham's algorithm
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void MICROVIEW::line(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, uint8_t color, uint8_t mode) {
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uint8_t steep = abs(y1 - y0) > abs(x1 - x0);
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if (steep) {
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swap(x0, y0);
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swap(x1, y1);
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}
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uint8_t MICROVIEW::getFontHeight(void) {
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return fontHeight;
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}
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if (x0 > x1) {
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swap(x0, x1);
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swap(y0, y1);
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}
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uint8_t MICROVIEW::getFontStartChar(void) {
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return fontStartChar;
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}
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uint8_t dx, dy;
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dx = x1 - x0;
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dy = abs(y1 - y0);
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uint8_t MICROVIEW::getFontTotalChar(void) {
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return fontTotalChar;
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}
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int8_t err = dx / 2;
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int8_t ystep;
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uint8_t MICROVIEW::getTotalFonts(void) {
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return TOTALFONTS;
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}
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if (y0 < y1) {
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ystep = 1;
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} else {
|
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ystep = -1;}
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uint8_t MICROVIEW::getFontType(void) {
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return fontType;
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}
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for (; x0<x1; x0++) {
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if (steep) {
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pixel(y0, x0, color, mode);
|
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} else {
|
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pixel(x0, y0, color, mode);
|
||||
}
|
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err -= dy;
|
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if (err < 0) {
|
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y0 += ystep;
|
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err += dx;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
uint8_t MICROVIEW::setFontType(uint8_t type) {
|
||||
if ((type>=TOTALFONTS) || (type<0))
|
||||
return -1;
|
||||
void MICROVIEW::lineH(uint8_t x, uint8_t y, uint8_t width, uint8_t color, uint8_t mode) {
|
||||
line(x,y,x+width,y,color,mode);
|
||||
}
|
||||
|
||||
fontType=type;
|
||||
fontWidth=pgm_read_byte(fontsPointer[fontType]+1);
|
||||
fontHeight=pgm_read_byte(fontsPointer[fontType]+2);
|
||||
fontStartChar=pgm_read_byte(fontsPointer[fontType]+3);
|
||||
fontTotalChar=pgm_read_byte(fontsPointer[fontType]+4);
|
||||
fontMapWidth=(pgm_read_byte(fontsPointer[fontType]+5)*100)+pgm_read_byte(fontsPointer[fontType]+6); // two bytes values into integer 16
|
||||
void MICROVIEW::lineV(uint8_t x, uint8_t y, uint8_t height, uint8_t color, uint8_t mode) {
|
||||
line(x,y,x,y+height,color,mode);
|
||||
}
|
||||
|
||||
}
|
||||
void MICROVIEW::rect(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t color , uint8_t mode) {
|
||||
uint8_t tempHeight;
|
||||
|
||||
lineH(x,y, width, color, mode);
|
||||
lineH(x,y+height-1, width, color, mode);
|
||||
|
||||
tempHeight=height-2;
|
||||
|
||||
// skip drawing vertical lines to avoid overlapping of pixel that will
|
||||
// affect XOR plot if no pixel in between horizontal lines
|
||||
if (tempHeight<1) return;
|
||||
|
||||
void MICROVIEW::drawChar(uint8_t x, uint8_t line, uint8_t c, uint8_t mode) {
|
||||
uint8_t rowsToDraw,row;
|
||||
uint8_t i,tempX;
|
||||
uint16_t charPerBitmapRow,charColPositionOnBitmap,charRowPositionOnBitmap,charBitmapStartPosition;
|
||||
// TODO - char must be able to be drawn anywhere, not limited by line
|
||||
// TODO - char must be able to XOR on background
|
||||
|
||||
if ((line >= LCDHEIGHT/fontHeight) || (x > (LCDWIDTH - fontWidth)))
|
||||
return;
|
||||
|
||||
// TODO - check if char is not in memory
|
||||
lineV(x,y+1, tempHeight, color, mode);
|
||||
lineV(x+width-1, y+1, tempHeight, color, mode);
|
||||
}
|
||||
|
||||
void MICROVIEW::rectFill(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t color , uint8_t mode) {
|
||||
// TODO - need to optimise the memory map draw so that this function will not call pixel one by one
|
||||
for (int i=x; i<x+width;i++) {
|
||||
lineV(i,y, height, color, mode);
|
||||
}
|
||||
}
|
||||
|
||||
void MICROVIEW::circle(uint8_t x0, uint8_t y0, uint8_t radius, uint8_t color, uint8_t mode) {
|
||||
|
||||
//TODO - find a way to check for no overlapping of pixels so that XOR draw mode will work perfectly
|
||||
int8_t f = 1 - radius;
|
||||
int8_t ddF_x = 1;
|
||||
int8_t ddF_y = -2 * radius;
|
||||
int8_t x = 0;
|
||||
int8_t y = radius;
|
||||
|
||||
pixel(x0, y0+radius, color, mode);
|
||||
pixel(x0, y0-radius, color, mode);
|
||||
pixel(x0+radius, y0, color, mode);
|
||||
pixel(x0-radius, y0, color, mode);
|
||||
|
||||
while (x<y) {
|
||||
if (f >= 0) {
|
||||
y--;
|
||||
ddF_y += 2;
|
||||
f += ddF_y;
|
||||
}
|
||||
x++;
|
||||
ddF_x += 2;
|
||||
f += ddF_x;
|
||||
|
||||
pixel(x0 + x, y0 + y, color, mode);
|
||||
pixel(x0 - x, y0 + y, color, mode);
|
||||
pixel(x0 + x, y0 - y, color, mode);
|
||||
pixel(x0 - x, y0 - y, color, mode);
|
||||
|
||||
pixel(x0 + y, y0 + x, color, mode);
|
||||
pixel(x0 - y, y0 + x, color, mode);
|
||||
pixel(x0 + y, y0 - x, color, mode);
|
||||
pixel(x0 - y, y0 - x, color, mode);
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
tempX=x;
|
||||
// each row (in datasheet is call page) is 8 bits high, 16 bit high character will have 2 rows to be drawn
|
||||
rowsToDraw=fontHeight/8; // 8 is LCD's page size, see SSD1306 datasheet
|
||||
if (rowsToDraw<=1) rowsToDraw=1;
|
||||
void MICROVIEW::circleFill(uint8_t x0, uint8_t y0, uint8_t r, uint8_t color, uint8_t mode) {
|
||||
// TODO - - find a way to check for no overlapping of pixels so that XOR draw mode will work perfectly
|
||||
int8_t f = 1 - r;
|
||||
int8_t ddF_x = 1;
|
||||
int8_t ddF_y = -2 * r;
|
||||
int8_t x = 0;
|
||||
int8_t y = r;
|
||||
|
||||
// Temporary disable fill circle for XOR mode.
|
||||
if (mode==XOR) return;
|
||||
|
||||
for (uint8_t i=y0-r; i<=y0+r; i++) {
|
||||
pixel(x0, i, color, mode);
|
||||
}
|
||||
|
||||
while (x<y) {
|
||||
if (f >= 0) {
|
||||
y--;
|
||||
ddF_y += 2;
|
||||
f += ddF_y;
|
||||
}
|
||||
x++;
|
||||
ddF_x += 2;
|
||||
f += ddF_x;
|
||||
|
||||
for (uint8_t i=y0-y; i<=y0+y; i++) {
|
||||
pixel(x0+x, i, color, mode);
|
||||
pixel(x0-x, i, color, mode);
|
||||
}
|
||||
for (uint8_t i=y0-x; i<=y0+x; i++) {
|
||||
pixel(x0+y, i, color, mode);
|
||||
pixel(x0-y, i, color, mode);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
uint8_t MICROVIEW::getFontWidth(void) {
|
||||
return fontWidth;
|
||||
}
|
||||
|
||||
uint8_t MICROVIEW::getFontHeight(void) {
|
||||
return fontHeight;
|
||||
}
|
||||
|
||||
uint8_t MICROVIEW::getFontStartChar(void) {
|
||||
return fontStartChar;
|
||||
}
|
||||
|
||||
uint8_t MICROVIEW::getFontTotalChar(void) {
|
||||
return fontTotalChar;
|
||||
}
|
||||
|
||||
uint8_t MICROVIEW::getTotalFonts(void) {
|
||||
return TOTALFONTS;
|
||||
}
|
||||
|
||||
uint8_t MICROVIEW::getFontType(void) {
|
||||
return fontType;
|
||||
}
|
||||
|
||||
uint8_t MICROVIEW::setFontType(uint8_t type) {
|
||||
if ((type>=TOTALFONTS) || (type<0))
|
||||
return -1;
|
||||
|
||||
fontType=type;
|
||||
fontWidth=pgm_read_byte(fontsPointer[fontType]+1);
|
||||
fontHeight=pgm_read_byte(fontsPointer[fontType]+2);
|
||||
fontStartChar=pgm_read_byte(fontsPointer[fontType]+3);
|
||||
fontTotalChar=pgm_read_byte(fontsPointer[fontType]+4);
|
||||
fontMapWidth=(pgm_read_byte(fontsPointer[fontType]+5)*100)+pgm_read_byte(fontsPointer[fontType]+6); // two bytes values into integer 16
|
||||
|
||||
}
|
||||
|
||||
void MICROVIEW::setFontColor(uint8_t color) {
|
||||
fontColor=color;
|
||||
}
|
||||
|
||||
void MICROVIEW::setFontDrawMode(uint8_t mode) {
|
||||
fontMode=mode;
|
||||
}
|
||||
|
||||
void MICROVIEW::drawChar(uint8_t x, uint8_t y, uint8_t c, uint8_t color, uint8_t mode) {
|
||||
//void MICROVIEW::drawChar(uint8_t x, uint8_t line, uint8_t c, uint8_t mode) {
|
||||
uint8_t rowsToDraw,row;
|
||||
uint8_t i,j,tempX;
|
||||
uint16_t charPerBitmapRow,charColPositionOnBitmap,charRowPositionOnBitmap,charBitmapStartPosition;
|
||||
// TODO - char must be able to be drawn anywhere, not limited by line
|
||||
// TODO - char must be able to XOR on background
|
||||
|
||||
//if ((line >= LCDHEIGHT/fontHeight) || (x > (LCDWIDTH - fontWidth)))
|
||||
//return;
|
||||
|
||||
tempX=x;
|
||||
// each row (in datasheet is call page) is 8 bits high, 16 bit high character will have 2 rows to be drawn
|
||||
rowsToDraw=fontHeight/8; // 8 is LCD's page size, see SSD1306 datasheet
|
||||
if (rowsToDraw<=1) rowsToDraw=1;
|
||||
|
||||
// can draw anywhere on the screen, but SLOW pixel by pixel draw
|
||||
if (rowsToDraw==1) {
|
||||
for (i=0;i<fontWidth+1;i++) {
|
||||
if (i==fontWidth) // this is done in a weird way because for 5x7 font, there is no margin, this code add a margin after col 5
|
||||
tempX=0;
|
||||
else
|
||||
tempX=pgm_read_byte(fontsPointer[fontType]+FONTHEADERSIZE+(c*fontWidth)+i);
|
||||
|
||||
for (j=0;j<8;j++) { // 8 is the LCD's page height (see datasheet for explanation)
|
||||
if (tempX & 0x1) {
|
||||
pixel(x+i, y+j, color,mode);
|
||||
}
|
||||
else {
|
||||
pixel(x+i, y+j, !color,mode);
|
||||
}
|
||||
|
||||
tempX >>=1;
|
||||
}
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
// font height over 8 bit
|
||||
// take character "0" ASCII 48 as example
|
||||
charPerBitmapRow=fontMapWidth/fontWidth; // 256/8 =32 char per row
|
||||
charColPositionOnBitmap=c % charPerBitmapRow; // =16
|
||||
charRowPositionOnBitmap=int(c/charPerBitmapRow); // =1
|
||||
charBitmapStartPosition=(charRowPositionOnBitmap * fontMapWidth * (fontHeight/8)) + (charColPositionOnBitmap * fontWidth) ;
|
||||
|
||||
// each row on LCD is 8 bit height (see datasheet for explanation)
|
||||
for(row=0;row<rowsToDraw;row++) {
|
||||
for (i=0; i<fontWidth;i++) {
|
||||
tempX=pgm_read_byte(fontsPointer[fontType]+FONTHEADERSIZE+(charBitmapStartPosition+i+(row*fontMapWidth)));
|
||||
for (j=0;j<8;j++) { // 8 is the LCD's page height (see datasheet for explanation)
|
||||
if (tempX & 0x1) {
|
||||
pixel(x+i,y+j+(row*8), color, mode);
|
||||
}
|
||||
else {
|
||||
pixel(x+i,y+j+(row*8), !color, mode);
|
||||
}
|
||||
tempX >>=1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/*
|
||||
fast direct memory draw but has a limitation to draw in ROWS
|
||||
// only 1 row to draw for font with 8 bit height
|
||||
if (rowsToDraw==1) {
|
||||
for (i=0; i<fontWidth; i++ ) {
|
||||
@@ -430,25 +538,27 @@ void MICROVIEW::drawChar(uint8_t x, uint8_t line, uint8_t c, uint8_t mode) {
|
||||
}
|
||||
tempX=x;
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
void MICROVIEW::stopScroll(void){
|
||||
command(DEACTIVATESCROLL);
|
||||
}
|
||||
}
|
||||
|
||||
void MICROVIEW::scrollRight(uint8_t start, uint8_t stop){
|
||||
if (stop<start) // stop must be larger or equal to start
|
||||
return;
|
||||
stopScroll(); // need to disable scrolling before starting to avoid memory corrupt
|
||||
command(RIGHTHORIZONTALSCROLL);
|
||||
command(0x00);
|
||||
command(start);
|
||||
command(0x7); // scroll speed frames , TODO
|
||||
command(stop);
|
||||
command(0x00);
|
||||
command(0xFF);
|
||||
command(ACTIVATESCROLL);
|
||||
}
|
||||
void MICROVIEW::stopScroll(void){
|
||||
command(DEACTIVATESCROLL);
|
||||
}
|
||||
|
||||
void MICROVIEW::scrollRight(uint8_t start, uint8_t stop){
|
||||
if (stop<start) // stop must be larger or equal to start
|
||||
return;
|
||||
stopScroll(); // need to disable scrolling before starting to avoid memory corrupt
|
||||
command(RIGHTHORIZONTALSCROLL);
|
||||
command(0x00);
|
||||
command(start);
|
||||
command(0x7); // scroll speed frames , TODO
|
||||
command(stop);
|
||||
command(0x00);
|
||||
command(0xFF);
|
||||
command(ACTIVATESCROLL);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user