Add SelectablePalettePipeline for updating palette

src/app/gfx/bitmap.cc

@@ -37,6 +37,10 @@ Bitmap::Bitmap(int width, int height, int depth, uchar *data, int data_size) {
   Create(width, height, depth, data, data_size);
 }
 
+Bitmap::Bitmap(int width, int height, int depth, Bytes data) {
+  Create(width, height, depth, data);
+}
+
 // Pass raw pixel data directly to the surface
 void Bitmap::Create(int width, int height, int depth, uchar *data) {
   active_ = true;
@@ -112,9 +116,18 @@ void Bitmap::CreateTexture(std::shared_ptr<SDL_Renderer> renderer) {
       SDL_Texture_Deleter{}};
 }
 
+void Bitmap::UpdateTexture(std::shared_ptr<SDL_Renderer> renderer) {
+  SDL_DestroyTexture(texture_.get());
+  texture_ = nullptr;
+  texture_ = std::shared_ptr<SDL_Texture>{
+      SDL_CreateTextureFromSurface(renderer.get(), surface_.get()),
+      SDL_Texture_Deleter{}};
+}
+
 // Convert SNESPalette to SDL_Palette for surface.
 void Bitmap::ApplyPalette(const SNESPalette &palette) {
   palette_ = palette;
+  SDL_UnlockSurface(surface_.get());
   for (int i = 0; i < palette.size_; ++i) {
     if (palette.GetColor(i).transparent) {
       surface_->format->palette->colors[i].r = 0;
@@ -128,6 +141,7 @@ void Bitmap::ApplyPalette(const SNESPalette &palette) {
       surface_->format->palette->colors[i].a = palette.GetColor(i).rgb.w;
     }
   }
+  SDL_LockSurface(surface_.get());
 }
 
 }  // namespace gfx

src/app/gfx/bitmap.h

@@ -22,6 +22,7 @@ class Bitmap {
   Bitmap(int width, int height, int depth, uchar *data);
   Bitmap(int width, int height, int depth, int data_size);
   Bitmap(int width, int height, int depth, uchar *data, int data_size);
+  Bitmap(int width, int height, int depth, Bytes data);
 
   void Create(int width, int height, int depth, uchar *data);
   void Create(int width, int height, int depth, int data_size);
@@ -31,6 +32,7 @@ class Bitmap {
   void Apply(Bytes data);
 
   void CreateTexture(std::shared_ptr<SDL_Renderer> renderer);
+  void UpdateTexture(std::shared_ptr<SDL_Renderer> renderer);
 
   void ApplyPalette(const SNESPalette &palette);
 

src/app/gfx/snes_palette.cc

@@ -214,6 +214,20 @@ SDL_Palette* SNESPalette::GetSDL_Palette() {
 
 PaletteGroup::PaletteGroup(uint8_t mSize) : size_(mSize) {}
 
+PaletteGroup CreatePaletteGroupFromColFile(
+    std::vector<SNESColor>& palette_rows) {
+  PaletteGroup toret;
+
+  for (int i = 0; i < palette_rows.size(); i += 8) {
+    SNESPalette palette;
+    for (int j = 0; j < 8; j++) {
+      palette.AddColor(palette_rows[i + j]);
+    }
+    toret.AddPalette(palette);
+  }
+  return toret;
+}
+
 }  // namespace gfx
 }  // namespace app
 }  // namespace yaze

src/app/gfx/snes_palette.h

@@ -156,6 +156,8 @@ struct PaletteGroup {
   std::vector<SNESPalette> palettes;
 };
 
+PaletteGroup CreatePaletteGroupFromColFile(std::vector<SNESColor>& colors);
+
 }  // namespace gfx
 }  // namespace app
 }  // namespace yaze