Project setup, and high-level class

Exec/CMakeLists.txt

@@ -0,0 +1,19 @@
+cmake_minimum_required(VERSION 3.16)
+project(BmpPP_exec)
+
+set(CMAKE_CXX_STANDARD 17)
+
+ADD_COMPILE_DEFINITIONS(_EULE_NO_INTRINSICS_)
+
+INCLUDE_DIRECTORIES(../Src/Eule/)
+INCLUDE_DIRECTORIES(../Src/)
+
+FILE(GLOB Eule ../Src/Eule/Eule/*.cpp)
+FILE(GLOB BmpPP ../Src/*.cpp)
+
+add_executable(BmpPP_exec
+    ${Eule}
+    ${BmpPP}
+
+    main.cpp
+)

Exec/main.cpp

@@ -0,0 +1,9 @@
+#include <BMP.h>
+
+using namespace Leonetienne::BmpPP;
+
+int main() {
+    BMP bmp({800, 600});
+
+    return 0;
+}

Src/BMP.cpp

@@ -0,0 +1,29 @@
+#include "BMP.h"
+#include <iostream>
+
+namespace Leonetienne::BmpPP {
+
+    BMP::BMP(const Eule::Vector2i &size, const Colormode& colormode)
+        :
+        size { size }
+    {
+
+        pixelBuffer.clear();
+        pixelBuffer.resize(size.x * size.y * ColormodeToPixelSize(colormode));
+
+        return;
+    }
+
+    int BMP::ColormodeToPixelSize(const Colormode &colormode) {
+
+        switch (colormode) {
+            case Colormode::RGB:
+                return 3;
+            case Colormode::RGBA:
+                return 4;
+
+            // Unreachable
+        }
+    }
+
+}

Src/BMP.h

@@ -0,0 +1,25 @@
+#ifndef BMPPP_BMP_H
+#define BMPPP_BMP_H
+
+#include <Eule/Vector2.h>
+#include <vector>
+#include <cstdint>
+#include "Colormodes.h"
+
+namespace Leonetienne::BmpPP {
+
+    class BMP {
+    public:
+        explicit BMP(const Eule::Vector2i& size, const Colormode& colormode = Colormode::RGBA);
+
+    private:
+        //! Will return the corresponding pixel size (in bytes) of a colormode. Like, 3 for RGB and 4 for RGBA.
+        static int ColormodeToPixelSize(const Colormode& colormode);
+
+        Eule::Vector2i size;
+        std::vector<std::uint8_t> pixelBuffer;
+    };
+
+}
+
+#endif //BMPPP_BMP_H

Src/CMakeLists.txt

@@ -9,4 +9,6 @@ FILE(GLOB Eule ./Eule/Eule/*.cpp)
 
 add_library(BmpPP
     ${Eule}
+
+    BMP.cpp
 )

Src/Colormodes.h

@@ -0,0 +1,13 @@
+#ifndef BMPPP_COLORMODES_H
+#define BMPPP_COLORMODES_H
+
+namespace Leonetienne {
+    namespace BmpPP {
+        enum class Colormode {
+            RGB,
+            RGBA
+        };
+    }
+}
+
+#endif //BMPPP_COLORMODES_H