Add CgxViewer, update GraphicsEditor

src/app/viewer/cgx_viewer.h

@@ -0,0 +1,41 @@
+#ifndef YAZE_APP_VIEWER_CGX_VIEWER_H
+#define YAZE_APP_VIEWER_CGX_VIEWER_H
+#include <fstream>
+#include <iostream>
+#include <vector>
+
+#include "app/gfx/bitmap.h"
+#include "app/gfx/snes_palette.h"
+#include "app/gfx/snes_tile.h"
+#include "app/rom.h"
+
+namespace yaze {
+namespace app {
+namespace viewer {
+
+class CgxViewer {
+ public:
+  void Update();
+
+ private:
+  void LoadColFile();
+
+  void LoadCgx(std::string pathfile);
+  void LoadGfx(int comboBpp);
+  void LoadScr();
+
+  void RefreshPalettes();
+
+  std::vector<unsigned char> matchBytes;  // Assuming it's a vector of bytes.
+  std::string label1_text;
+
+  int bpp_;
+  int current_selection_;
+  ROM rawData;
+};
+
+}  // namespace viewer
+}  // namespace app
+}  // namespace yaze
+
+#endif  // YAZE_APP_VIEWER_CGX_VIEWER_H