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TFT_FONT_2/TFT_FONT_2.ino

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+/*
+ Show all the fonts and demonstrate wrap function.
+ Only font sizes 1, 2, 4, 6 and 7 are implemented in the Adafruit_GFX_AS library.
+ */
+
+#define sclk 13  // Don't change
+#define mosi 11  // Don't change
+#define cs   10
+#define dc   9
+#define rst  7  // you can also connect this to the Arduino reset
+
+#include <Adafruit_GFX_AS.h>    // Core graphics library
+#include <Adafruit_ILI9341_8bit_AS.h> // Hardware-specific library
+#include <SPI.h>
+
+Adafruit_ILI9341_8bit_AS tft = Adafruit_ILI9341_8bit_AS(cs, dc, rst);       // Invoke custom library
+
+// ###############  Add these lines #############
+#ifdef LOAD_GLCD
+  #include "glcdfont.c"
+#endif
+
+#ifdef LOAD_FONT2
+  #include "Font16.h"
+#endif
+
+#ifdef LOAD_FONT4
+#include "Font32.h"
+#endif
+
+#ifdef LOAD_FONT6
+#include "Font64.h"
+#endif
+
+#ifdef LOAD_FONT7
+  #include "Font7s.h"
+#endif
+// ##############################################
+
+unsigned long targetTime = 0;
+byte red = 31;
+byte green = 0;
+byte blue = 0;
+byte state = 0;
+unsigned int colour = red << 11;
+
+void setup(void) {
+  tft.init();
+  tft.setRotation(1);
+}
+
+void loop() {
+
+  tft.fillScreen(ILI9341_BLACK);
+  tft.setTextColor(ILI9341_GREEN, ILI9341_BLACK);
+
+  wrapString(" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~", 0, 0, 1, 1);
+
+  delay(4000);
+
+  tft.fillScreen(ILI9341_BLACK);
+  wrapString(" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~", 0, 0, 2, 1);
+
+  delay(4000);
+
+  tft.fillScreen(ILI9341_BLACK);
+  wrapString(" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~", 0, 0, 4, 1);
+
+  delay(4000);
+
+  tft.fillScreen(ILI9341_BLACK);
+  wrapString(" -.0123456789:amp", 0, 0, 6, 1);
+
+  delay(4000);
+
+  tft.fillScreen(ILI9341_BLACK);
+  wrapString(" -.0123456789:", 0, 0, 7, 1);
+
+  delay(4000);
+
+  tft.fillScreen(ILI9341_BLACK);
+  wrapString(" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~", 0, 0, 1, 2);
+
+  delay(4000);
+
+  tft.fillScreen(ILI9341_BLACK);
+  wrapString(" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~", 0, 0, 2, 2);
+
+  delay(4000);
+
+  tft.fillScreen(ILI9341_BLACK);
+  wrapString(" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~", 0, 0, 4, 2);
+
+  delay(4000);
+
+  tft.fillScreen(ILI9341_BLACK);
+  wrapString(" -.012p3456789:amp", 0, 0, 6, 2);
+
+  delay(4000);
+
+  tft.fillScreen(ILI9341_BLACK);
+  wrapString(" -.0123456789:", 0, 0, 7, 2);
+  
+  delay(4000);
+}
+
+// Add this function to your sketch, it will draw the character string
+// on the display and wrap to next line if too long.
+//
+// dX and dY = top left plot coordinates
+// font = font number
+// text size is multiplier for size, normally 1
+void wrapString(char *string, int dX, int dY, int font, int textsize)
+{
+  int len = 0;
+  int hgt = 0;
+  char ascii;
+  int width = tft.width();
+  int height = tft.height();
+  
+  while (*string)
+  {
+    ascii = *string;
+
+#ifdef LOAD_GLCD
+    if (font == 1) {
+      len = 6 * textsize;
+      hgt = 8 * textsize;
+    }
+#endif
+
+#ifdef LOAD_FONT2
+    if (font == 2) {
+      len = (pgm_read_byte(widtbl_f16 + ascii - 32) + 1) * textsize;
+      hgt = 16 * textsize;
+    }
+#endif
+
+#ifdef LOAD_FONT4
+    if (font == 4) {
+      len = (pgm_read_byte(widtbl_f32 + ascii - 32) - 3) * textsize;
+      hgt = 24 * textsize;
+    }
+#endif
+
+#ifdef LOAD_FONT6
+    if (font == 6) {
+      len = (pgm_read_byte(widtbl_f64 + ascii - 32) - 3) * textsize;
+      hgt = 48 * textsize;
+    }
+#endif
+
+#ifdef LOAD_FONT7
+    if (font == 7) {
+      len = (pgm_read_byte(widtbl_f7s + ascii - 32) + 2) * textsize;
+      hgt = 52 * textsize;
+    }
+#endif
+
+    if (dX + len > width) {
+      dX = 0; dY += hgt;
+      if (dY + hgt > height) dY = 0; // Wrap to top of screen but may not look good!
+    }
+    tft.setTextSize(textsize);
+    tft.drawChar(*string, dX, dY, font);
+    dX+=len;
+    *string++;
+  }
+}
+
+
+
+