trunk/Arduino/libraries/TFT_eSPI/examples/Sprite/Animated_dial/Animated_dial.ino

@@ -6,10 +6,10 @@
 
 // The sketch operates by creating a copy of the screen block where
 // the needle will be drawn, the needle is then drawn on the screen.
-// When the needle moves, the original copy of the sreen area is
+// When the needle moves, the original copy of the screen area is
 // pushed to the screen to over-write the needle graphic. A copy
 // of the screen where the new position will be drawn is then made
-// before drawing the needle in the new postion. This technique
+// before drawing the needle in the new position. This technique
 // allows the needle to move over other screen graphics.
 
 // The sketch calculates the size of the buffer memory required and
@@ -44,7 +44,7 @@ TFT_eSprite spr    = TFT_eSprite(&tft); // Sprite for meter reading
 uint16_t* tft_buffer;
 bool      buffer_loaded = false;
 uint16_t  spr_width = 0;
-
+uint16_t  bg_color =0;
 // =======================================================================================
 // This function will be called during decoding of the jpeg file
 // =======================================================================================
@@ -82,14 +82,14 @@ void setup()   {
 
   // Load the font and create the Sprite for reporting the value
   spr.loadFont(AA_FONT_LARGE);
-  spr_width = spr.textWidth("277");
+  spr_width = spr.textWidth("777"); // 7 is widest numeral in this font
   spr.createSprite(spr_width, spr.fontHeight());
-  uint16_t bg_color = tft.readPixel(120, 120); // Get colour from dial centre
+  bg_color = tft.readPixel(120, 120); // Get colour from dial centre
   spr.fillSprite(bg_color);
-  spr.setTextColor(TFT_WHITE, bg_color);
+  spr.setTextColor(TFT_WHITE, bg_color, true);
   spr.setTextDatum(MC_DATUM);
   spr.setTextPadding(spr_width);
-  spr.drawNumber(0, spr_width/2, 0);
+  spr.drawNumber(0, spr_width/2, spr.fontHeight()/2);
   spr.pushSprite(DIAL_CENTRE_X - spr_width / 2, DIAL_CENTRE_Y - spr.fontHeight() / 2);
 
   // Plot the label text
@@ -195,7 +195,7 @@ void plotNeedle(int16_t angle, uint16_t ms_delay)
         buffer_loaded = true;
       }
 
-      // Draw the needle in the new postion, black in needle image is transparent
+      // Draw the needle in the new position, black in needle image is transparent
       needle.pushRotated(old_angle, TFT_BLACK);
 
       // Wait before next update
@@ -203,7 +203,8 @@ void plotNeedle(int16_t angle, uint16_t ms_delay)
     }
 
     // Update the number at the centre of the dial
-    spr.drawNumber(old_angle+120, spr_width/2, 0);
+    spr.setTextColor(TFT_WHITE, bg_color, true);
+    spr.drawNumber(old_angle+120, spr_width/2, spr.fontHeight()/2);
     spr.pushSprite(120 - spr_width / 2, 120 - spr.fontHeight() / 2);
 
     // Slow needle down slightly as it approaches the new position

trunk/Arduino/libraries/TFT_eSPI/examples/Sprite/Animated_dial/NotoSansBold36.h

@@ -5,8 +5,7 @@
    Paste the byte array into a sketch tab and add two lines
    at the start with a unique font name:
 
-        #include <pgmspace.h>
-        const uint8_t  fontName[] PROGMEM = {
+                const uint8_t  fontName[] PROGMEM = {
 
    At the end add:
 
@@ -17,7 +16,6 @@
         #include "NotoSansBold36.h"
 */
 
-#include <pgmspace.h>
 // Digits 0-9 and .
 const uint8_t  NotoSansBold36[] PROGMEM = {
 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, 0x00, 

trunk/Arduino/libraries/TFT_eSPI/examples/Sprite/Animated_dial/dial.h

@@ -5,8 +5,7 @@
    Paste the byte array into a sketch tab "jpeg_name" and add
    two lines at the start with a unique array name:
 
-        #include <pgmspace.h>
-        const uint8_t  jpeg_name[] PROGMEM = {
+                const uint8_t  jpeg_name[] PROGMEM = {
 
    At the end add:
 
@@ -17,7 +16,6 @@
         #include "jpeg_name.h"
 */
 
-#include <pgmspace.h>
 const uint8_t dial[] PROGMEM = {
 0xFF, 0xD8, 0xFF, 0xE0, 0x00, 0x10, 0x4A, 0x46, 0x49, 0x46, 0x00, 0x01, 0x01, 0x01, 0x00, 0x60, 
 0x00, 0x60, 0x00, 0x00, 0xFF, 0xE1, 0x00, 0x5A, 0x45, 0x78, 0x69, 0x66, 0x00, 0x00, 0x4D, 0x4D,