Add new boot logo screen

src/main.cpp

@@ -8,6 +8,7 @@
 #include "Battery.h"
 #include "CrossPointState.h"
 #include "Input.h"
+#include "screens/BootLogoScreen.h"
 #include "screens/EpubReaderScreen.h"
 #include "screens/FileSelectionScreen.h"
 #include "screens/FullScreenMessageScreen.h"
@@ -137,7 +138,7 @@ void setup() {
   display.setTextColor(GxEPD_BLACK);
   Serial.println("Display initialized");
 
-  enterNewScreen(new FullScreenMessageScreen(renderer, "Booting...", BOLD));
+  enterNewScreen(new BootLogoScreen(renderer));
 
   // SD Card Initialization
   SD.begin(SD_SPI_CS, SPI, SPI_FQ);

src/screens/BootLogoScreen.cpp

@@ -0,0 +1,14 @@
+#include "BootLogoScreen.h"
+
+#include <EpdRenderer.h>
+
+#include "images/CrossLarge.h"
+
+void BootLogoScreen::onEnter() {
+  const auto pageWidth = renderer->getPageWidth();
+  const auto pageHeight = renderer->getPageHeight();
+
+  renderer->clearScreen();
+  // Location for images is from top right in landscape orientation
+  renderer->drawImage(CrossLarge, (pageHeight - 128) /2, (pageWidth - 128) / 2, 128, 128);
+}

src/screens/BootLogoScreen.h

@@ -0,0 +1,9 @@
+#pragma once
+#include "Screen.h"
+
+
+class BootLogoScreen final : public Screen {
+public:
+  explicit BootLogoScreen(EpdRenderer* renderer): Screen(renderer) {}
+  void onEnter() override;
+};