Update GraphicsEditor, fix CommandHandler

src/app/gfx/bitmap.cc

@@ -163,6 +163,28 @@ void Bitmap::ApplyPalette(const SNESPalette &palette) {
   SDL_LockSurface(surface_.get());
 }
 
+void Bitmap::ApplyPaletteWithTransparent(const SNESPalette &palette,
+                                         int index) {
+  palette_ = palette;
+  auto start_index = index * 7;
+  std::vector<ImVec4> colors;
+  colors.push_back(ImVec4(0, 0, 0, 0));
+  for (int i = start_index; i < start_index + 7; ++i) {
+    colors.push_back(palette.GetColor(i).GetRGB());
+  }
+
+  SDL_UnlockSurface(surface_.get());
+  int i = 0;
+  for (auto &each : colors) {
+    surface_->format->palette->colors[i].r = each.x;
+    surface_->format->palette->colors[i].g = each.y;
+    surface_->format->palette->colors[i].b = each.z;
+    surface_->format->palette->colors[i].a = each.w;
+    i++;
+  }
+  SDL_LockSurface(surface_.get());
+}
+
 void Bitmap::ApplyPalette(const std::vector<SDL_Color> &palette) {
   SDL_UnlockSurface(surface_.get());
   for (int i = 0; i < palette.size(); ++i) {

src/app/gfx/bitmap.h

@@ -24,7 +24,6 @@ class Bitmap {
   Bitmap(int width, int height, int depth, int data_size);
   Bitmap(int width, int height, int depth, const Bytes &data)
       : width_(width), height_(height), depth_(depth), data_(data) {
-    // CreateTextureFromData();
     InitializeFromData(width, height, depth, data);
   }
 
@@ -42,20 +41,21 @@ class Bitmap {
   void Create(int width, int height, int depth, int data_size);
   void Create(int width, int height, int depth, const Bytes &data);
 
-  void InitializeFromData(uint32_t width, uint32_t height,
-                                  uint32_t depth, const Bytes &data);
+  void InitializeFromData(uint32_t width, uint32_t height, uint32_t depth,
+                          const Bytes &data);
   void ReserveData(uint32_t width, uint32_t height, uint32_t depth,
                    uint32_t size);
 
   void CreateTexture(std::shared_ptr<SDL_Renderer> renderer);
   void UpdateTexture(std::shared_ptr<SDL_Renderer> renderer);
-  void CreateTexture(SDL_Renderer* renderer);
-  void UpdateTexture(SDL_Renderer* renderer);
+  void CreateTexture(SDL_Renderer *renderer);
+  void UpdateTexture(SDL_Renderer *renderer);
 
   void SaveSurfaceToFile(std::string_view filename);
   void SetSurface(SDL_Surface *surface);
 
   void ApplyPalette(const SNESPalette &palette);
+  void ApplyPaletteWithTransparent(const SNESPalette &palette, int index);
   void ApplyPalette(const std::vector<SDL_Color> &palette);
 
   void WriteToPixel(int position, uchar value) {
@@ -66,6 +66,15 @@ class Bitmap {
     modified_ = true;
   }
 
+  void WriteWordToPixel(int position, uint16_t value) {
+    if (pixel_data_ == nullptr) {
+      pixel_data_ = data_.data();
+    }
+    this->pixel_data_[position] = value & 0xFF;
+    this->pixel_data_[position + 1] = (value >> 8) & 0xFF;
+    modified_ = true;
+  }
+
   void Cleanup() {
     // Reset texture_
     if (texture_) {
@@ -171,6 +180,8 @@ class BitmapManager {
     return nullptr;
   }
 
+  auto mutable_bitmap(int id) { return bitmap_cache_[id]; }
+
   using value_type = std::pair<const int, std::shared_ptr<gfx::Bitmap>>;
   using iterator =
       std::unordered_map<int, std::shared_ptr<gfx::Bitmap>>::iterator;