Remove EpdRenderer and create new GfxRenderer

lib/GfxRenderer/GfxRenderer.h

@@ -0,0 +1,53 @@
+#pragma once
+
+#include <EInkDisplay.h>
+
+#include <map>
+
+#include "EpdFontFamily.h"
+
+class GfxRenderer {
+ public:
+  enum FontRenderMode { BW, GRAYSCALE_LSB, GRAYSCALE_MSB };
+
+ private:
+  EInkDisplay& einkDisplay;
+  FontRenderMode fontRenderMode;
+  std::map<int, EpdFontFamily> fontMap;
+  void renderChar(const EpdFontFamily& fontFamily, uint32_t cp, int* x, const int* y, bool pixelState,
+                  EpdFontStyle style) const;
+
+ public:
+  explicit GfxRenderer(EInkDisplay& einkDisplay) : einkDisplay(einkDisplay), fontRenderMode(BW) {}
+  ~GfxRenderer() = default;
+
+  // Setup
+  void insertFont(int fontId, EpdFontFamily font);
+
+  // Screen ops
+  static int getScreenWidth();
+  static int getScreenHeight();
+  void displayBuffer(EInkDisplay::RefreshMode refreshMode = EInkDisplay::FAST_REFRESH) const;
+  void invertScreen() const;
+  void clearScreen(uint8_t color = 0xFF) const;
+
+  // Drawing
+  void drawPixel(int x, int y, bool state = true) const;
+  void drawLine(int x1, int y1, int x2, int y2, bool state = true) const;
+  void drawRect(int x, int y, int width, int height, bool state = true) const;
+  void fillRect(int x, int y, int width, int height, bool state = true) const;
+  void drawImage(const uint8_t bitmap[], int x, int y, int width, int height) const;
+
+  // Text
+  int getTextWidth(int fontId, const char* text, EpdFontStyle style = REGULAR) const;
+  void drawText(int fontId, int x, int y, const char* text, bool black = true, EpdFontStyle style = REGULAR) const;
+  void setFontRenderMode(const FontRenderMode mode) { this->fontRenderMode = mode; }
+  int getSpaceWidth(int fontId) const;
+  int getLineHeight(int fontId) const;
+
+  // Low level functions
+  void swapBuffers() const;
+  void copyGrayscaleLsbBuffers() const;
+  void copyGrayscaleMsbBuffers() const;
+  void displayGrayBuffer() const;
+};