diff --git a/SDLWrapper/_BlendMode.h b/SDLWrapper/_BlendMode.h
new file mode 100644
index 0000000..a79d1da
--- /dev/null
+++ b/SDLWrapper/_BlendMode.h
@@ -0,0 +1,8 @@
+#pragma once
+enum class BlendMode
+{
+    None,
+    Blend,
+    Add,
+    Mod
+};
diff --git a/SDLWrapper/_FlipMode.h b/SDLWrapper/_FlipMode.h
new file mode 100644
index 0000000..6eee691
--- /dev/null
+++ b/SDLWrapper/_FlipMode.h
@@ -0,0 +1,7 @@
+#pragma once
+enum class FlipMode
+{
+    None,
+    Horizontal,
+    Vertical
+};
diff --git a/SDLWrapper/_FontHint.h b/SDLWrapper/_FontHint.h
new file mode 100644
index 0000000..7cb8f9b
--- /dev/null
+++ b/SDLWrapper/_FontHint.h
@@ -0,0 +1,9 @@
+#pragma once
+enum class FontHint
+{
+    Normal,
+    Light,
+    Mono,
+    None,
+    Error
+};
diff --git a/SDLWrapper/_FontStyle.h b/SDLWrapper/_FontStyle.h
new file mode 100644
index 0000000..26d748b
--- /dev/null
+++ b/SDLWrapper/_FontStyle.h
@@ -0,0 +1,9 @@
+#pragma once
+enum class FontStyle
+{
+    Normal,
+    Bold,
+    Italic,
+    UnderLine,
+    StrikeThrough
+};
diff --git a/SDLWrapper/_MessageBoxType.h b/SDLWrapper/_MessageBoxType.h
new file mode 100644
index 0000000..12876aa
--- /dev/null
+++ b/SDLWrapper/_MessageBoxType.h
@@ -0,0 +1,7 @@
+#pragma once
+enum class MessageBoxType
+{
+    Error,
+    Warning,
+    Information
+};
diff --git a/SDLWrapper/_Platform.h b/SDLWrapper/_Platform.h
new file mode 100644
index 0000000..fce1f2c
--- /dev/null
+++ b/SDLWrapper/_Platform.h
@@ -0,0 +1,10 @@
+#pragma once
+enum class Platform
+{
+    Unknown,
+    Windows,
+    MacOS,
+    Linux,
+    iOS,
+    Android
+};
diff --git a/SDLWrapper/_PowerState.h b/SDLWrapper/_PowerState.h
new file mode 100644
index 0000000..7aaca83
--- /dev/null
+++ b/SDLWrapper/_PowerState.h
@@ -0,0 +1,9 @@
+#pragma once
+enum class PowerState
+{
+    Unknown,
+    OnBattery,
+    NoBattery,
+    Charging,
+    Charged
+};
diff --git a/SDLWrapper/_RendererType.h b/SDLWrapper/_RendererType.h
new file mode 100644
index 0000000..7bdbd17
--- /dev/null
+++ b/SDLWrapper/_RendererType.h
@@ -0,0 +1,8 @@
+#pragma once
+enum class RendererType
+{
+    Software,
+    Accelerated,
+    PresentSync,
+    TargetTexture
+};
diff --git a/SDLWrapper/_SystemCursorType.h b/SDLWrapper/_SystemCursorType.h
new file mode 100644
index 0000000..fd5ccf4
--- /dev/null
+++ b/SDLWrapper/_SystemCursorType.h
@@ -0,0 +1,8 @@
+#pragma once
+enum class SystemCursorType
+{
+    Arrow, Ibeam, CrossHair,
+    Wait, WaitArrow,
+    SizeNWSE, SizeNESW, SizeWE, SizeNS, SizeAll,
+    No, Hand
+};
diff --git a/SDLWrapper/_WindowType.h b/SDLWrapper/_WindowType.h
new file mode 100644
index 0000000..0002026
--- /dev/null
+++ b/SDLWrapper/_WindowType.h
@@ -0,0 +1,10 @@
+#pragma once
+enum class WindowType
+{
+    FullScreen, OpenGL, Shown, Hidden,
+    Borderless, Resizable, Minimized, Maximized,
+    InputGrabbed, InputFocus, MouseFocus,
+    FullScreenDesktop, Foreign, AllowHighDPI,
+    MouseCapture, AlwaysOnTop, SkipTaskBar,
+    Utility, ToolTip, PopUpMenu
+};
diff --git a/SDLWrapper/_caster.cpp b/SDLWrapper/_caster.cpp
new file mode 100644
index 0000000..df00204
--- /dev/null
+++ b/SDLWrapper/_caster.cpp
@@ -0,0 +1,219 @@
+#include "_caster.h"
+#include "begin_code.h"
+namespace _internal
+{
+BlendMode getBlendModeFromSDLBlendMode(SDL_BlendMode mode)
+{
+    switch(mode)
+    {
+    case SDL_BLENDMODE_ADD:
+        return BlendMode::Add;
+    case SDL_BLENDMODE_BLEND:
+        return BlendMode::Blend;
+    case SDL_BLENDMODE_MOD:
+        return BlendMode::Mod;
+    case SDL_BLENDMODE_NONE:
+    default:/// return BlendMode::None on default.
+        return BlendMode::None;
+    }
+}
+
+SDL_BlendMode getSDLBlendModeFromBlendMode(BlendMode mode)
+{
+    switch(mode)
+    {
+    case BlendMode::Add:
+        return SDL_BLENDMODE_ADD;
+    case BlendMode::Blend:
+        return SDL_BLENDMODE_BLEND;
+    case BlendMode::Mod:
+        return SDL_BLENDMODE_MOD;
+    case BlendMode::None:
+    default:/// return SDL_BLENDMODE_NONE on default.
+        return SDL_BLENDMODE_NONE;
+    }
+}
+
+/// FIXME: return SDL_WindowFlags or Uint32 ?
+Uint32 getSDLWindowFlagsFromWindowType(WindowType type)
+{
+    switch(type)
+    {
+    case WindowType::FullScreen:
+        return SDL_WINDOW_FULLSCREEN;
+    case WindowType::OpenGL:
+        return SDL_WINDOW_OPENGL;
+    case WindowType::Shown:
+        return SDL_WINDOW_SHOWN;
+    case WindowType::Hidden:
+        return SDL_WINDOW_HIDDEN;
+    case WindowType::Borderless:
+        return SDL_WINDOW_BORDERLESS;
+    case WindowType::Resizable:
+        return SDL_WINDOW_RESIZABLE;
+    case WindowType::Minimized:
+        return SDL_WINDOW_MINIMIZED;
+    case WindowType::Maximized:
+        return SDL_WINDOW_MAXIMIZED;
+    case WindowType::InputGrabbed:
+        return SDL_WINDOW_INPUT_GRABBED;
+    case WindowType::InputFocus:
+        return SDL_WINDOW_INPUT_FOCUS;
+    case WindowType::MouseFocus:
+        return SDL_WINDOW_MOUSE_FOCUS;
+    case WindowType::FullScreenDesktop:
+        return SDL_WINDOW_FULLSCREEN_DESKTOP;
+    case WindowType::Foreign:
+        return SDL_WINDOW_FOREIGN;
+    case WindowType::AllowHighDPI:
+        return SDL_WINDOW_ALLOW_HIGHDPI;
+    case WindowType::MouseCapture:
+        return SDL_WINDOW_MOUSE_CAPTURE;
+
+#if _MINIENGINE_SDL_VERSION_ATLEAST(2,0,5) /// SDL 2.0.5 Required
+    case WindowType::AlwaysOnTop:
+        return SDL_WINDOW_ALWAYS_ON_TOP;
+    case WindowType::SkipTaskBar:
+        return SDL_WINDOW_SKIP_TASKBAR;
+    case WindowType::Utility:
+        return SDL_WINDOW_UTILITY;
+    case WindowType::ToolTip:
+        return SDL_WINDOW_TOOLTIP;
+    case WindowType::PopUpMenu:
+        return SDL_WINDOW_POPUP_MENU;
+#endif // End of SDL2.0.5 Require
+
+    default:
+        return 0;/// Return 0 on default.
+    }
+}
+
+SystemCursorType getCursorTypeFromSDLSystemCursor(SDL_SystemCursor id)
+{
+    switch(id)
+    {
+    case SDL_SYSTEM_CURSOR_ARROW:
+        return SystemCursorType::Arrow;
+    case SDL_SYSTEM_CURSOR_CROSSHAIR:
+        return SystemCursorType::CrossHair;
+    case SDL_SYSTEM_CURSOR_HAND:
+        return SystemCursorType::Hand;
+    case SDL_SYSTEM_CURSOR_IBEAM:
+        return SystemCursorType::Ibeam;
+    case SDL_SYSTEM_CURSOR_NO:
+        return SystemCursorType::No;
+    case SDL_SYSTEM_CURSOR_SIZEALL:
+        return SystemCursorType::SizeAll;
+    case SDL_SYSTEM_CURSOR_SIZENESW:
+        return SystemCursorType::SizeNESW;
+    case SDL_SYSTEM_CURSOR_SIZENS:
+        return SystemCursorType::SizeNS;
+    case SDL_SYSTEM_CURSOR_SIZENWSE:
+        return SystemCursorType::SizeNWSE;
+    case SDL_SYSTEM_CURSOR_SIZEWE:
+        return SystemCursorType::SizeWE;
+    case SDL_SYSTEM_CURSOR_WAIT:
+        return SystemCursorType::Wait;
+    case SDL_SYSTEM_CURSOR_WAITARROW:
+        return SystemCursorType::WaitArrow;
+    default:/// return SystemCursorType::Arrow on default.
+        return SystemCursorType::Arrow;
+    }
+}
+
+SDL_SystemCursor getSDLSystemCursorFromSystemCursorType(SystemCursorType type)
+{
+    switch(type)
+    {
+    case SystemCursorType::Arrow:
+        return SDL_SYSTEM_CURSOR_ARROW;
+    case SystemCursorType::CrossHair:
+        return SDL_SYSTEM_CURSOR_CROSSHAIR;
+    case SystemCursorType::Hand:
+        return SDL_SYSTEM_CURSOR_HAND;
+    case SystemCursorType::Ibeam:
+        return SDL_SYSTEM_CURSOR_IBEAM;
+    case SystemCursorType::No:
+        return SDL_SYSTEM_CURSOR_NO;
+    case SystemCursorType::SizeAll:
+        return SDL_SYSTEM_CURSOR_SIZEALL;
+    case SystemCursorType::SizeNESW:
+        return SDL_SYSTEM_CURSOR_SIZENESW;
+    case SystemCursorType::SizeNS:
+        return SDL_SYSTEM_CURSOR_SIZENS;
+    case SystemCursorType::SizeNWSE:
+        return SDL_SYSTEM_CURSOR_SIZENWSE;
+    case SystemCursorType::SizeWE:
+        return SDL_SYSTEM_CURSOR_SIZEWE;
+    case SystemCursorType::Wait:
+        return SDL_SYSTEM_CURSOR_WAIT;
+    case SystemCursorType::WaitArrow:
+        return SDL_SYSTEM_CURSOR_WAITARROW;
+    default:/// return SDL_SYSTEM_CURSOR_ARROW on default.
+        return SDL_SYSTEM_CURSOR_ARROW;
+    }
+}
+
+int getTTFFontStyleFromFontStyle(FontStyle style)
+{
+    switch(style)
+    {
+    case FontStyle::Bold:
+        return TTF_STYLE_BOLD;
+    case FontStyle::Italic:
+        return TTF_STYLE_ITALIC;
+    case FontStyle::Normal:
+        return TTF_STYLE_NORMAL;
+    case FontStyle::StrikeThrough:
+        return TTF_STYLE_STRIKETHROUGH;
+    case FontStyle::UnderLine:
+        return TTF_STYLE_UNDERLINE;
+    default:
+        return TTF_STYLE_NORMAL;
+    }
+}
+
+std::vector<FontStyle> getFontStyleVecFromMixedTTFFontStyle(int Mixed_TTF_Font_Style)
+{
+    std::vector<FontStyle> vec;
+    if(Mixed_TTF_Font_Style&TTF_STYLE_BOLD)
+    {
+        vec.push_back(FontStyle::Bold);
+    }
+    if(Mixed_TTF_Font_Style&TTF_STYLE_ITALIC)
+    {
+        vec.push_back(FontStyle::Italic);
+    }
+    if(Mixed_TTF_Font_Style&TTF_STYLE_STRIKETHROUGH)
+    {
+        vec.push_back(FontStyle::StrikeThrough);
+    }
+    if(Mixed_TTF_Font_Style&TTF_STYLE_UNDERLINE)
+    {
+        vec.push_back(FontStyle::UnderLine);
+    }
+    if(vec.empty())
+    {
+        vec.push_back(FontStyle::Normal);
+    }
+
+    return vec;
+}
+
+SDL_RendererFlip getSDLRendererFlipFromFlipMode(FlipMode mode)
+{
+    switch(mode)
+    {
+    case FlipMode::None:
+        return SDL_FLIP_NONE;
+    case FlipMode::Horizontal:
+        return SDL_FLIP_HORIZONTAL;
+    case FlipMode::Vertical:
+        return SDL_FLIP_VERTICAL;
+    default:
+        /// return non-flip mode on default.
+        return SDL_FLIP_NONE;
+    }
+}
+}/// End of namespace _internal
+#include "end_code.h"
diff --git a/SDLWrapper/_caster.h b/SDLWrapper/_caster.h
new file mode 100644
index 0000000..646fa35
--- /dev/null
+++ b/SDLWrapper/_caster.h
@@ -0,0 +1,22 @@
+#pragma once
+#include "include.h"
+#include "_BlendMode.h"
+#include "_WindowType.h"
+#include "_SystemCursorType.h"
+#include "_FontStyle.h"
+#include "_FlipMode.h"
+#include <vector>
+#include "begin_code.h"
+namespace _internal
+{
+BlendMode getBlendModeFromSDLBlendMode(SDL_BlendMode mode);
+SDL_BlendMode getSDLBlendModeFromBlendMode(BlendMode mode);
+/// FIXME: return SDL_WindowFlags or Uint32 ?
+Uint32 getSDLWindowFlagsFromWindowType(WindowType type);
+SystemCursorType getCursorTypeFromSDLSystemCursor(SDL_SystemCursor id);
+SDL_SystemCursor getSDLSystemCursorFromSystemCursorType(SystemCursorType type);
+int getTTFFontStyleFromFontStyle(FontStyle style);
+std::vector<FontStyle> getFontStyleVecFromMixedTTFFontStyle(int Mixed_TTF_Font_Style);
+SDL_RendererFlip getSDLRendererFlipFromFlipMode(FlipMode mode);
+}/// End of namespace _internal
+#include "end_code.h"