Correct #263, add setup file for 160x80 TFT, add invert option

Fixed bug where wrong wodth was returned for 1bpp Sprite
Improved speed for copying a 1bpp Sprite into another 1bpp Sprite (
affects Sprite pushImage() function only)
Added option to setup for colour inversion

Extensions/Sprite.cpp

@@ -340,17 +340,16 @@ void  TFT_eSprite::pushImage(int32_t x, int32_t y, uint32_t w, uint32_t h, uint1
       y = _dheight - tx - 1;
     }
 
-    uint8_t* pdata = (uint8_t*) data;
+    uint8_t* pdata = (uint8_t* ) data;
     uint32_t ww =  (w+7) & 0xFFF8;
     for (int32_t yp = 0; yp<h; yp++)
     {
-      for (int32_t xp = 0; xp<ww; xp+=8)
+      uint32_t yw = (yp * ww)>>3;
+      uint32_t yyp = y + yp;
+      for (int32_t xp = 0; xp<w; xp++)
       {
-        uint8_t pbyte = *pdata++;
-        for (uint8_t xc = 0; xc < 8; xc++)
-        {
-          if (xp+xc<w) drawPixel(x+xp+xc, y+yp, (pbyte<<xc) & 0x80);
-        }
+        uint16_t readPixel = (pdata[(xp>>3) + yw] & (0x80 >> (xp & 0x7)) );
+        drawPixel(x+xp, yyp, readPixel);
       }
     }
   }
@@ -732,7 +731,7 @@ int16_t TFT_eSprite::width(void)
 
   if (_rotation == 1 || _rotation == 3) return _dheight;
 
-  return _bitwidth;
+  return _dwidth;
 }
 
 

TFT_eSPI.cpp

@@ -366,6 +366,14 @@ void TFT_eSPI::init(uint8_t tc)
 
 #endif
 
+#ifdef TFT_INVERSION_ON
+  writecommand(TFT_INVON);
+#endif
+
+#ifdef TFT_INVERSION_OFF
+  writecommand(TFT_INVOFF);
+#endif
+
   spi_end();
 
   setRotation(rotation);

User_Setup.h

@@ -65,6 +65,11 @@
 // #define ST7735_BLACKTAB
 // #define ST7735_REDTAB160x80 // For 160 x 80 display (24 offset) (https://www.aliexpress.com/item/ShengYang-1pcs-IPS-0-96-inch-7P-SPI-HD-65K-Full-Color-OLED-Module-ST7735-Drive/32918394604.html)
 
+// If colours are inverted (white shows as black) then uncomment one of the next
+// 2 lines try both options, one of the options should correct the inversion.
+//#define TFT_INVERSION_ON
+//#define TFT_INVERSION_OFF
+
 // ##################################################################################
 //
 // Section 1. Define the pins that are used to interface with the display here

library.json

 {
   "name": "TFT_eSPI",
-  "version": "1.3.8",
+  "version": "1.3.9",
   "keywords": "tft, ePaper, display, ESP8266, NodeMCU, ESP32, M5Stack, ILI9341, ST7735, ILI9163, S6D02A1, ILI9486, ST7789",
   "description": "A TFT and ePaper SPI graphics library for ESP8266 and ESP32",
   "repository":

library.properties

 name=TFT_eSPI
-version=1.3.8
+version=1.3.9
 author=Bodmer
 maintainer=Bodmer
 sentence=A fast TFT graphics library for ESP8266 and ESP32 processors for the Arduino IDE