Complete viewport update

Extensions/Smooth_font.cpp

@@ -359,9 +359,13 @@ bool TFT_eSPI::getUnicodeIndex(uint16_t unicode, uint16_t *index)
 // Expects file to be open
 void TFT_eSPI::drawGlyph(uint16_t code)
 {
+  uint16_t fg = textcolor;
+  uint16_t bg = textbgcolor;
+
   if (code < 0x21)
   {
     if (code == 0x20) {
+      //if (fg!=bg) fillRect(cursor_x, cursor_y, gFont.spaceWidth, gFont.yAdvance, bg);
       cursor_x += gFont.spaceWidth;
       return;
     }
@@ -377,18 +381,15 @@ void TFT_eSPI::drawGlyph(uint16_t code)
   uint16_t gNum = 0;
   bool found = getUnicodeIndex(code, &gNum);
   
-  uint16_t fg = textcolor;
-  uint16_t bg = textbgcolor;
-
   if (found)
   {
 
-    if (textwrapX && (cursor_x + gWidth[gNum] + gdX[gNum] > _width))
+    if (textwrapX && (cursor_x + gWidth[gNum] + gdX[gNum] > width()))
     {
       cursor_y += gFont.yAdvance;
       cursor_x = 0;
     }
-    if (textwrapY && ((cursor_y + gFont.yAdvance) >= _height)) cursor_y = 0;
+    if (textwrapY && ((cursor_y + gFont.yAdvance) >= height())) cursor_y = 0;
     if (cursor_x == 0) cursor_x -= gdX[gNum];
 
     uint8_t* pbuffer = nullptr;
@@ -402,15 +403,17 @@ void TFT_eSPI::drawGlyph(uint16_t code)
     }
 #endif
 
-    int16_t  xs = 0;
-    uint32_t dl = 0;
-    uint8_t pixel;
-
     int16_t cy = cursor_y + gFont.maxAscent - gdY[gNum];
     int16_t cx = cursor_x + gdX[gNum];
 
+    int16_t  xs = cx;
+    uint32_t dl = 0;
+    uint8_t pixel;
+
     startWrite(); // Avoid slow ESP32 transaction overhead for every pixel
 
+    //if (fg!=bg) fillRect(cursor_x, cursor_y, gxAdvance[gNum], gFont.yAdvance, bg);
+
     for (int y = 0; y < gHeight[gNum]; y++)
     {
 #ifdef FONT_FS_AVAILABLE

TFT_eSPI.h

@@ -16,7 +16,7 @@
 #ifndef _TFT_eSPIH_
 #define _TFT_eSPIH_
 
-#define TFT_ESPI_VERSION "2.3.0"
+#define TFT_ESPI_VERSION "2.3.1"
 
 /***************************************************************************************
 **                         Section 1: Load required header files
@@ -736,10 +736,13 @@ class TFT_eSPI : public Print {
   int32_t  addr_row, addr_col;        // Window position - used to minimise window commands
 
   // Viewport variables
-  int32_t  _vpX, _vpY, _vpW, _vpH;
+  int32_t  _vpX, _vpY, _vpW, _vpH;    // Note: x start, y start, x end + 1, y end + 1
   int32_t  _xDatum;
   int32_t  _yDatum;
+  int32_t  _xWidth;
+  int32_t  _yHeight;
   bool     _vpDatum;
+  bool     _vpOoB;
 
   uint32_t fontsloaded;               // Bit field of fonts loaded
 

examples/160 x 128/TFT_Char_times/TFT_Char_times.ino

@@ -45,7 +45,6 @@ void loop() {
 
   tft.setTextColor(TFT_RED, TFT_BLACK);
   tft.drawFloat(drawTime / 2890.0, 3, 0, 80, 4);
-  if (drawTime < 100) tft.drawString("Font 1 not loaded!", 0, 108, 2);
  
   delay(4000);
   tft.fillScreen(TFT_BLACK);
@@ -60,7 +59,6 @@ void loop() {
 
   tft.setTextColor(TFT_RED, TFT_BLACK);
   tft.drawFloat(drawTime / 2890.0, 3, 0, 80, 4);
-  if (drawTime < 200) tft.drawString("Font 2 not loaded!", 0, 108, 2);
 
   delay(4000);
   tft.fillScreen(TFT_BLACK);
@@ -75,7 +73,6 @@ void loop() {
 
   tft.setTextColor(TFT_RED, TFT_BLACK);
   tft.drawFloat(drawTime / 2890.0, 3, 0, 80, 4);
-  if (drawTime < 200) tft.drawString("Font 4 not loaded!", 0, 108, 2);
 
   delay(4000);
   tft.fillScreen(TFT_BLACK);
@@ -90,7 +87,6 @@ void loop() {
 
   tft.setTextColor(TFT_RED, TFT_BLACK);
   tft.drawFloat(drawTime / 2890.0, 3, 0, 80, 4);
-  if (drawTime < 200) tft.drawString("Font 6 not loaded!", 0, 108, 2);
  
   delay(4000);
   tft.fillScreen(TFT_BLACK);
@@ -105,7 +101,6 @@ void loop() {
 
   tft.setTextColor(TFT_RED, TFT_BLACK);
   tft.drawFloat(drawTime / 2890.0, 3, 0, 80, 4);
-  if (drawTime < 200) tft.drawString("Font 7 not loaded!", 0, 108, 2);
 
   delay(4000);
   tft.fillScreen(TFT_BLACK);
@@ -120,7 +115,6 @@ void loop() {
 
   tft.setTextColor(TFT_RED, TFT_BLACK);
   tft.drawFloat(drawTime / 190.0, 3, 0, 80, 4);
-  if (drawTime < 200) tft.drawString("Font 8 not loaded!", 0, 108, 2);
 
   delay(4000);
 }

examples/Sprite/Animated_dial/Animated_dial.ino

@@ -89,7 +89,7 @@ void setup()   {
   spr.setTextColor(TFT_WHITE, bg_color);
   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
@@ -203,7 +203,7 @@ 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.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

examples/Sprite/Rotated_Sprite_1/Rotated_Sprite_1.ino

@@ -132,7 +132,7 @@ void loop() {
   for (int16_t angle = 30; angle <= 360; angle += 30)
   {
     spr.fillSprite(TFT_BLACK);         // Clear the Sprite
-    spr.drawNumber(num, 20, 15, 4);    // Plot number, in Sprite at 15,15 and with font 4
+    spr.drawNumber(num, 20, 15, 4);    // Plot number, in Sprite at 20,15 and with font 4
     spr.pushRotated(angle, TFT_BLACK); // Plot rotated Sprite, black being transparent
     num++;
   }
@@ -143,7 +143,7 @@ void loop() {
   for (int16_t angle = -90; angle < 270; angle += 30)
   {
     spr.fillSprite(TFT_BLACK);           // Clear the Sprite
-    spr.drawNumber(angle+90, 15, 15, 4); // Plot number, in Sprite at 15,15 and with font 4
+    spr.drawNumber(angle+90, 20, 15, 4); // Plot number, in Sprite at 20,15 and with font 4
     spr.pushRotated(angle, TFT_BLACK);   // Plot rotated Sprite, black being transparent
     num++;
   }

library.json

 {
   "name": "TFT_eSPI",
-  "version": "2.3.0",
+  "version": "2.3.1",
   "keywords": "Arduino, tft, ePaper, display, STM32, ESP8266, NodeMCU, ESP32, M5Stack, ILI9341, ST7735, ILI9163, S6D02A1, ILI9486, ST7789, RM68140",
   "description": "A TFT and ePaper SPI graphics library with optimisation for ESP8266, ESP32 and STM32",
   "repository":

library.properties

 name=TFT_eSPI
-version=2.3.0
+version=2.3.1
 author=Bodmer
 maintainer=Bodmer
 sentence=TFT graphics library for Arduino processors with performance optimisation for STM32, ESP8266 and ESP32