From fdc9019d99be3edae64447347afaa4f9ad628fe6 Mon Sep 17 00:00:00 2001
From: mrcodetastic <12006953+mrcodetastic@users.noreply.github.com>
Date: Mon, 22 Jul 2024 13:47:02 +0100
Subject: [PATCH] Enhance GFX_LITE support

---
 src/ESP32-HUB75-MatrixPanel-I2S-DMA.h  | 19 ++++++++++---------
 src/ESP32-VirtualMatrixPanel-I2S-DMA.h | 18 ++++++++++++------
 2 files changed, 22 insertions(+), 15 deletions(-)

diff --git a/src/ESP32-HUB75-MatrixPanel-I2S-DMA.h b/src/ESP32-HUB75-MatrixPanel-I2S-DMA.h
index 939c421..6067e7f 100644
--- a/src/ESP32-HUB75-MatrixPanel-I2S-DMA.h
+++ b/src/ESP32-HUB75-MatrixPanel-I2S-DMA.h
@@ -12,11 +12,11 @@
 // #include <Arduino.h>
 #include "platforms/platform_detect.hpp"
 
-#ifdef USE_GFX_ROOT
-#include <FastLED.h>
-#include "GFX.h" // Adafruit GFX core class -> https://github.com/mrfaptastic/GFX_Root
+#ifdef USE_GFX_LITE
+  // Slimmed version of Adafruit GFX + FastLED: https://github.com/mrcodetastc/GFX_Lite
+  #include "GFX_Lite.h" 
 #elif !defined NO_GFX
-#include "Adafruit_GFX.h" // Adafruit class with all the other stuff
+  #include "Adafruit_GFX.h" // Adafruit class with all the other stuff
 #endif
 
 /*******************************************************************************************
@@ -366,7 +366,8 @@ struct HUB75_I2S_CFG
 }; // end of structure HUB75_I2S_CFG
 
 /***************************************************************************************/
-#ifdef USE_GFX_ROOT
+#ifdef USE_GFX_LITE
+// Slimmed version of Adafruit GFX + FastLED: https://github.com/mrcodetastic/GFX_Lite
 class MatrixPanel_I2S_DMA : public GFX
 {
 #elif !defined NO_GFX
@@ -386,7 +387,7 @@ class MatrixPanel_I2S_DMA
    *
    */
   MatrixPanel_I2S_DMA()
-#ifdef USE_GFX_ROOT
+#ifdef USE_GFX_LITE
       : GFX(MATRIX_WIDTH, MATRIX_HEIGHT)
 #elif !defined NO_GFX
       : Adafruit_GFX(MATRIX_WIDTH, MATRIX_HEIGHT)
@@ -401,7 +402,7 @@ class MatrixPanel_I2S_DMA
    *
    */
   MatrixPanel_I2S_DMA(const HUB75_I2S_CFG &opts)
-#ifdef USE_GFX_ROOT
+#ifdef USE_GFX_LITE
       : GFX(opts.mx_width * opts.chain_length, opts.mx_height)
 #elif !defined NO_GFX
       : Adafruit_GFX(opts.mx_width * opts.chain_length, opts.mx_height)
@@ -572,7 +573,7 @@ class MatrixPanel_I2S_DMA
   void fillScreenRGB888(uint8_t r, uint8_t g, uint8_t b);
   void drawPixelRGB888(int16_t x, int16_t y, uint8_t r, uint8_t g, uint8_t b);
 
-#ifdef USE_GFX_ROOT
+#ifdef USE_GFX_LITE
   // 24bpp FASTLED CRGB colour struct support
   void fillScreen(CRGB color);
   void drawPixel(int16_t x, int16_t y, CRGB color);
@@ -930,7 +931,7 @@ inline void MatrixPanel_I2S_DMA::fillScreenRGB888(uint8_t r, uint8_t g, uint8_t
   updateMatrixDMABuffer(r, g, b); // RGB only (no pixel coordinate) version of 'updateMatrixDMABuffer'
 }
 
-#ifdef USE_GFX_ROOT
+#ifdef USE_GFX_LITE
 // Support for CRGB values provided via FastLED
 inline void MatrixPanel_I2S_DMA::drawPixel(int16_t x, int16_t y, CRGB color)
 {
diff --git a/src/ESP32-VirtualMatrixPanel-I2S-DMA.h b/src/ESP32-VirtualMatrixPanel-I2S-DMA.h
index cf92a87..50706a4 100644
--- a/src/ESP32-VirtualMatrixPanel-I2S-DMA.h
+++ b/src/ESP32-VirtualMatrixPanel-I2S-DMA.h
@@ -26,10 +26,16 @@
  *******************************************************************/
 
 #include "ESP32-HUB75-MatrixPanel-I2S-DMA.h"
-#ifndef NO_GFX
-#include <Fonts/FreeSansBold12pt7b.h>
+#ifdef USE_GFX_LITE
+// Slimmed version of Adafruit GFX + FastLED: https://github.com/mrcodetastic/GFX_Lite
+    #include "GFX_Lite.h"
+    #include <Fonts/FreeSansBold12pt7b.h>
+#elif !defined NO_GFX
+    #include "Adafruit_GFX.h" // Adafruit class with all the other stuff
+    #include <Fonts/FreeSansBold12pt7b.h>
 #endif
 
+
 // #include <iostream>
 
 struct VirtualCoords
@@ -67,7 +73,7 @@ enum PANEL_CHAIN_TYPE
     CHAIN_BOTTOM_LEFT_UP_ZZ
 };
 
-#ifdef USE_GFX_ROOT
+#ifdef USE_GFX_LITE
 class VirtualMatrixPanel : public GFX
 #elif !defined NO_GFX
 class VirtualMatrixPanel : public Adafruit_GFX
@@ -78,7 +84,7 @@ class VirtualMatrixPanel
 
 public:
     VirtualMatrixPanel(MatrixPanel_I2S_DMA &disp, int _vmodule_rows, int _vmodule_cols, int _panelResX, int _panelResY, PANEL_CHAIN_TYPE _panel_chain_type = CHAIN_NONE)
-#ifdef USE_GFX_ROOT
+#ifdef USE_GFX_LITE
         : GFX(_vmodule_cols * _panelResX, _vmodule_rows * _panelResY)
 #elif !defined NO_GFX
         : Adafruit_GFX(_vmodule_cols * _panelResX, _vmodule_rows * _panelResY)
@@ -121,7 +127,7 @@ class VirtualMatrixPanel
     void clearScreen() { display->clearScreen(); }
     void drawPixelRGB888(int16_t x, int16_t y, uint8_t r, uint8_t g, uint8_t b);
 
-#ifdef USE_GFX_ROOT
+#ifdef USE_GFX_LITE
     // 24bpp FASTLED CRGB colour struct support
     void fillScreen(CRGB color);
     void drawPixel(int16_t x, int16_t y, CRGB color);
@@ -459,7 +465,7 @@ inline void VirtualMatrixPanel::drawPixelRGB888(int16_t x, int16_t y, uint8_t r,
     this->display->drawPixelRGB888(coords.x, coords.y, r, g, b);
 }
 
-#ifdef USE_GFX_ROOT
+#ifdef USE_GFX_LITE
 // Support for CRGB values provided via FastLED
 inline void VirtualMatrixPanel::drawPixel(int16_t x, int16_t y, CRGB color)
 {