From 9cfeb6285f204d4bf9a781c89b955da778e35f69 Mon Sep 17 00:00:00 2001
From: JQ <jquatier@gmail.com>
Date: Sat, 31 May 2025 15:22:59 -0700
Subject: [PATCH] better fonts for GxEPDDisplay

---
 src/helpers/ui/GxEPDDisplay.cpp | 28 +++++++++++++++++-----------
 src/helpers/ui/GxEPDDisplay.h   |  4 +++-
 2 files changed, 20 insertions(+), 12 deletions(-)

diff --git a/src/helpers/ui/GxEPDDisplay.cpp b/src/helpers/ui/GxEPDDisplay.cpp
index d37a0981..875e29ac 100644
--- a/src/helpers/ui/GxEPDDisplay.cpp
+++ b/src/helpers/ui/GxEPDDisplay.cpp
@@ -5,22 +5,15 @@
   #define DISPLAY_ROTATION 3
 #endif
 
-#ifdef TECHO_ZOOM
-  #define SCALE_X   (1.5625f * 1.5f)   //  200 / 128  (with 1.5 scale)
-  #define SCALE_Y   (1.5625f * 1.5f)   //  200 / 128  (with 1.5 scale)
-#else
-  #define SCALE_X   1.5625f   //  200 / 128
-  #define SCALE_Y   1.5625f   //  200 / 128
-#endif
+#define SCALE_X   1.5625f   //  200 / 128
+#define SCALE_Y   1.5625f   //  200 / 128
 
 bool GxEPDDisplay::begin() {
   display.epd2.selectSPI(SPI1, SPISettings(4000000, MSBFIRST, SPI_MODE0));
   SPI1.begin();
   display.init(115200, true, 2, false);
   display.setRotation(DISPLAY_ROTATION);
-  #ifdef TECHO_ZOOM
-    display.setFont(&FreeMono9pt7b);
-  #endif
+  setTextSize(1);  // Default to size 1
   display.setPartialWindow(0, 0, display.width(), display.height());
 
   display.fillScreen(GxEPD_WHITE);
@@ -57,7 +50,20 @@ void GxEPDDisplay::startFrame(Color bkg) {
 }
 
 void GxEPDDisplay::setTextSize(int sz) {
-  display.setTextSize(sz);
+  switch(sz) {
+    case 1:  // Small
+      display.setFont(&FreeSans9pt7b);
+      break;
+    case 2:  // Medium Bold
+      display.setFont(&FreeSansBold12pt7b);
+      break;
+    case 3:  // Large
+      display.setFont(&FreeSans18pt7b);
+      break;
+    default:
+      display.setFont(&FreeSans9pt7b);
+      break;
+  }
 }
 
 void GxEPDDisplay::setColor(Color c) {
diff --git a/src/helpers/ui/GxEPDDisplay.h b/src/helpers/ui/GxEPDDisplay.h
index 01c900ac..ec2bcec0 100644
--- a/src/helpers/ui/GxEPDDisplay.h
+++ b/src/helpers/ui/GxEPDDisplay.h
@@ -9,7 +9,9 @@
 #include <GxEPD2_3C.h>
 #include <GxEPD2_4C.h>
 #include <GxEPD2_7C.h>
-#include <Fonts/FreeMono9pt7b.h>
+#include <Fonts/FreeSans9pt7b.h>
+#include <Fonts/FreeSansBold12pt7b.h>
+#include <Fonts/FreeSans18pt7b.h>
 
 #define GxEPD2_DISPLAY_CLASS GxEPD2_BW
 #define GxEPD2_DRIVER_CLASS GxEPD2_150_BN  // DEPG0150BN 200x200, SSD1681, (FPC8101), TTGO T5 V2.4.1