From bf04ac5430ddc4b4aaa3b4664e2daf49726619b7 Mon Sep 17 00:00:00 2001
From: Justin Scofield <47263509+scawful@users.noreply.github.com>
Date: Thu, 18 Aug 2022 11:34:34 -0400
Subject: [PATCH] feat: Add Bitmap::WritePixel

Provide member function for writing to SDL_Surface pixel buffer
directly.
---
 src/app/gfx/bitmap.cc | 8 ++++++++
 src/app/gfx/bitmap.h  | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/src/app/gfx/bitmap.cc b/src/app/gfx/bitmap.cc
index 826adf9b..619f8963 100644
--- a/src/app/gfx/bitmap.cc
+++ b/src/app/gfx/bitmap.cc
@@ -116,6 +116,14 @@ absl::Status Bitmap::CreateFromTiles(const std::vector<Bitmap> &tiles) {
   return absl::OkStatus();
 }
 
+absl::Status Bitmap::WritePixel(int pos, uchar pixel) {
+  if (!surface_) {
+    return absl::InternalError("Surface not loaded");
+  } 
+  surface_->pixels[pos] = pixel;
+  return absl::OkStatus();
+} 
+
 }  // namespace gfx
 }  // namespace app
 }  // namespace yaze
diff --git a/src/app/gfx/bitmap.h b/src/app/gfx/bitmap.h
index 416a3dca..1b9df30f 100644
--- a/src/app/gfx/bitmap.h
+++ b/src/app/gfx/bitmap.h
@@ -31,6 +31,8 @@ class Bitmap {
 
   absl::StatusOr<std::vector<Bitmap>> CreateTiles();
   absl::Status CreateFromTiles(const std::vector<Bitmap> &tiles);
+  
+  absl::Status WritePixel(int pos, uchar pixel);
 
   int GetWidth() const { return width_; }
   int GetHeight() const { return height_; }