backend-infra-engineer: Pre-0.2.2 snapshot (2022)

src/app/gfx/bitmap.h

@@ -0,0 +1,87 @@
+#ifndef YAZE_APP_GFX_BITMAP_H
+#define YAZE_APP_GFX_BITMAP_H
+
+#include <SDL.h>
+
+#include <cstdint>
+#include <memory>
+
+#include "absl/status/status.h"
+#include "absl/status/statusor.h"
+#include "absl/strings/str_cat.h"
+#include "app/core/constants.h"
+#include "app/gfx/snes_palette.h"
+
+namespace yaze {
+namespace app {
+namespace gfx {
+
+class Bitmap {
+ public:
+  Bitmap() = default;
+  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);
+
+  void Create(int width, int height, int depth, uchar *data);
+  void Create(int width, int height, int depth, int data_size);
+  void Create(int width, int height, int depth, uchar *data, int data_size);
+  void Create(int width, int height, int depth, Bytes data);
+
+  void Apply(Bytes data);
+
+  void CreateTexture(std::shared_ptr<SDL_Renderer> renderer);
+
+  void ApplyPalette(const SNESPalette &palette);
+
+  void WriteToPixel(int position, uchar value) {
+    this->pixel_data_[position] = value;
+  }
+
+  int GetWidth() const { return width_; }
+  int GetHeight() const { return height_; }
+  auto GetSize() const { return data_size_; }
+  auto GetData() const { return pixel_data_; }
+  auto GetByte(int i) const { return pixel_data_[i]; }
+  auto GetTexture() const { return texture_.get(); }
+  auto GetSurface() const { return surface_.get(); }
+  auto IsActive() const { return active_; }
+
+ private:
+  struct SDL_Texture_Deleter {
+    void operator()(SDL_Texture *p) const {
+      if (p != nullptr) {
+        SDL_DestroyTexture(p);
+        p = nullptr;
+      }
+    }
+  };
+
+  struct SDL_Surface_Deleter {
+    void operator()(SDL_Surface *p) const {
+      if (p != nullptr) {
+        p->pixels = nullptr;
+        SDL_FreeSurface(p);
+        p = nullptr;
+      }
+    }
+  };
+
+  int width_ = 0;
+  int height_ = 0;
+  int depth_ = 0;
+  int data_size_ = 0;
+  bool freed_ = false;
+  bool active_ = false;
+  uchar *pixel_data_;
+  Bytes data_;
+  gfx::SNESPalette palette_;
+  std::shared_ptr<SDL_Texture> texture_ = nullptr;
+  std::shared_ptr<SDL_Surface> surface_ = nullptr;
+};
+
+}  // namespace gfx
+}  // namespace app
+}  // namespace yaze
+
+#endif  // YAZE_APP_GFX_BITMAP_H