Files
MCUFRIEND_kbv/examples/Font_simple/Font_simple.ino
2019-05-12 12:58:53 +01:00

69 lines
2.0 KiB
C++

#include <Adafruit_GFX.h> // Core graphics library
#include <MCUFRIEND_kbv.h> // Hardware-specific library
MCUFRIEND_kbv tft;
#include <Fonts/FreeSans9pt7b.h>
#include <Fonts/FreeSans12pt7b.h>
#include <Fonts/FreeSerif12pt7b.h>
#include <FreeDefaultFonts.h>
#define BLACK 0x0000
#define RED 0xF800
#define GREEN 0x07E0
#define WHITE 0xFFFF
#define GREY 0x8410
void setup(void)
{
Serial.begin(9600);
uint16_t ID = tft.readID();
Serial.println("Example: Font_simple");
Serial.print("found ID = 0x");
Serial.println(ID, HEX);
if (ID == 0xD3D3) ID = 0x9481; //force ID if write-only display
tft.begin(ID);
tft.setRotation(0);
}
void loop(void)
{
tft.fillScreen(BLACK);
showmsgXY(20, 10, 1, NULL, "System x1");
showmsgXY(20, 24, 2, NULL, "System x2");
showmsgXY(20, 60, 1, &FreeSans9pt7b, "FreeSans9pt7b");
showmsgXY(20, 80, 1, &FreeSans12pt7b, "FreeSans12pt7b");
showmsgXY(20, 100, 1, &FreeSerif12pt7b, "FreeSerif12pt7b");
showmsgXY(20, 120, 1, &FreeSmallFont, "FreeSmallFont");
showmsgXY(5, 180, 1, &FreeSevenSegNumFont, "01234");
showmsgXY(5, 190, 1, NULL, "System Font is drawn from topline");
tft.setTextColor(RED, GREY);
tft.setTextSize(2);
tft.setCursor(0, 220);
tft.print("7x5 can overwrite");
delay(1000);
tft.setCursor(0, 220);
tft.print("if background set");
delay(1000);
showmsgXY(5, 260, 1, &FreeSans9pt7b, "Free Fonts from baseline");
showmsgXY(5, 285, 1, &FreeSans9pt7b, "Free Fonts transparent");
delay(1000);
showmsgXY(5, 285, 1, &FreeSans9pt7b, "Free Fonts XXX");
delay(1000);
showmsgXY(5, 310, 1, &FreeSans9pt7b, "erase backgnd with fillRect()");
delay(10000);
}
void showmsgXY(int x, int y, int sz, const GFXfont *f, const char *msg)
{
int16_t x1, y1;
uint16_t wid, ht;
tft.drawFastHLine(0, y, tft.width(), WHITE);
tft.setFont(f);
tft.setCursor(x, y);
tft.setTextColor(GREEN);
tft.setTextSize(sz);
tft.print(msg);
delay(1000);
}