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Don't free strings returned from SDL

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Accept nulls for marshaling
This commit is contained in:
Jameson Ernst 2013-06-26 11:02:44 -07:00
parent 00f353693e
commit 19d4602321
4 changed files with 59 additions and 35 deletions
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40
src/LPUtf8StrMarshaler.cs
View file

@ -32,15 +32,34 @@ namespace SDL2
{ {
internal unsafe class LPUtf8StrMarshaler : ICustomMarshaler internal unsafe class LPUtf8StrMarshaler : ICustomMarshaler
{ {
private static LPUtf8StrMarshaler _instance = new LPUtf8StrMarshaler(); public const string LeaveAllocated = "LeaveAllocated";
private static ICustomMarshaler
_leaveAllocatedInstance = new LPUtf8StrMarshaler(true),
_defaultInstance = new LPUtf8StrMarshaler(false);
private static ICustomMarshaler GetInstance(string cookie) private static ICustomMarshaler GetInstance(string cookie)
{ {
return _instance; switch (cookie)
{
case "LeaveAllocated":
return _leaveAllocatedInstance;
default:
return _defaultInstance;
}
}
private bool _leaveAllocated;
public LPUtf8StrMarshaler(bool leaveAllocated)
{
_leaveAllocated = leaveAllocated;
} }
public object MarshalNativeToManaged(IntPtr pNativeData) public object MarshalNativeToManaged(IntPtr pNativeData)
{ {
if (pNativeData == IntPtr.Zero)
return null;
var ptr = (byte*)pNativeData; var ptr = (byte*)pNativeData;
while (*ptr != 0) while (*ptr != 0)
{ {
@ -53,6 +72,8 @@ namespace SDL2
public IntPtr MarshalManagedToNative(object ManagedObj) public IntPtr MarshalManagedToNative(object ManagedObj)
{ {
if (ManagedObj == null)
return IntPtr.Zero;
var str = ManagedObj as string; var str = ManagedObj as string;
if (str == null) if (str == null)
{ {
@ -65,16 +86,19 @@ namespace SDL2
return mem; return mem;
} }
public void CleanUpNativeData(IntPtr pNativeData)
{
Marshal.FreeHGlobal(pNativeData);
}
public void CleanUpManagedData(object ManagedObj) public void CleanUpManagedData(object ManagedObj)
{ {
} }
public int GetNativeDataSize() public void CleanUpNativeData(IntPtr pNativeData)
{
if (!_leaveAllocated)
{
Marshal.FreeHGlobal(pNativeData);
}
}
public int GetNativeDataSize ()
{ {
return -1; return -1;
} }

44
src/SDL2.cs
View file

@ -159,7 +159,7 @@ namespace SDL2
public static extern void SDL_ClearHints(); public static extern void SDL_ClearHints();
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GetHint( public static extern string SDL_GetHint(
[In()] [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [In()] [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))]
string name string name
@ -190,7 +190,7 @@ namespace SDL2
public static extern void SDL_ClearError(); public static extern void SDL_ClearError();
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GetError(); public static extern string SDL_GetError();
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
@ -410,7 +410,7 @@ namespace SDL2
private static extern void SDL_GetVersion(ref SDL_version ver); private static extern void SDL_GetVersion(ref SDL_version ver);
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GetRevision(); public static extern string SDL_GetRevision();
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
@ -581,7 +581,7 @@ namespace SDL2
); );
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GetCurrentVideoDriver(); public static extern string SDL_GetCurrentVideoDriver();
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
@ -615,7 +615,7 @@ namespace SDL2
public static extern int SDL_GetNumVideoDrivers(); public static extern int SDL_GetNumVideoDrivers();
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GetVideoDriver( public static extern string SDL_GetVideoDriver(
int index int index
); );
@ -700,7 +700,7 @@ namespace SDL2
/* window refers to an SDL_Window* */ /* window refers to an SDL_Window* */
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GetWindowTitle( public static extern string SDL_GetWindowTitle(
IntPtr window IntPtr window
); );
@ -1698,7 +1698,7 @@ namespace SDL2
public static extern void SDL_FreePalette(IntPtr palette); public static extern void SDL_FreePalette(IntPtr palette);
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GetPixelFormatName( public static extern string SDL_GetPixelFormatName(
uint format uint format
); );
@ -2149,7 +2149,7 @@ namespace SDL2
public static extern SDL_bool SDL_HasClipboardText(); public static extern SDL_bool SDL_HasClipboardText();
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GetClipboardText(); public static extern string SDL_GetClipboardText();
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
@ -3320,7 +3320,7 @@ namespace SDL2
/* Wrapper for SDL_GetScancodeName */ /* Wrapper for SDL_GetScancodeName */
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GetScancodeName(SDL_Scancode scancode); public static extern string SDL_GetScancodeName(SDL_Scancode scancode);
/* Get a scancode from a human-readable name */ /* Get a scancode from a human-readable name */
@ -3331,7 +3331,7 @@ namespace SDL2
/* Wrapper for SDL_GetKeyName */ /* Wrapper for SDL_GetKeyName */
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GetKeyName(SDL_Keycode key); public static extern string SDL_GetKeyName(SDL_Keycode key);
/* Get a key code from a human-readable name */ /* Get a key code from a human-readable name */
@ -3544,13 +3544,13 @@ namespace SDL2
/* joystick refers to an SDL_Joystick* */ /* joystick refers to an SDL_Joystick* */
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_JoystickName( public static extern string SDL_JoystickName(
IntPtr joystick IntPtr joystick
); );
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_JoystickNameForIndex( public static extern string SDL_JoystickNameForIndex(
int device_index int device_index
); );
@ -3695,13 +3695,13 @@ namespace SDL2
); );
[DllImport(nativeLibName, EntryPoint = "SDL_GameControllerMappingForGUID", CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, EntryPoint = "SDL_GameControllerMappingForGUID", CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GameControllerMappingForGUID( public static extern string SDL_GameControllerMappingForGUID(
SDL_JoystickGUID guid SDL_JoystickGUID guid
); );
/* gamecontroller refers to an SDL_GameController* */ /* gamecontroller refers to an SDL_GameController* */
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GameControllerMapping( public static extern string SDL_GameControllerMapping(
IntPtr gamecontroller IntPtr gamecontroller
); );
@ -3710,7 +3710,7 @@ namespace SDL2
public static extern SDL_bool SDL_IsGameController(int joystick_index); public static extern SDL_bool SDL_IsGameController(int joystick_index);
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GameControllerNameForIndex( public static extern string SDL_GameControllerNameForIndex(
int joystick_index int joystick_index
); );
@ -3721,7 +3721,7 @@ namespace SDL2
/* gamecontroller refers to an SDL_GameController* */ /* gamecontroller refers to an SDL_GameController* */
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GameControllerName( public static extern string SDL_GameControllerName(
IntPtr gamecontroller IntPtr gamecontroller
); );
@ -3753,7 +3753,7 @@ namespace SDL2
); );
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GameControllerGetStringForAxis( public static extern string SDL_GameControllerGetStringForAxis(
SDL_GameControllerAxis axis SDL_GameControllerAxis axis
); );
@ -3779,7 +3779,7 @@ namespace SDL2
); );
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GameControllerGetStringForButton( public static extern string SDL_GameControllerGetStringForButton(
SDL_GameControllerButton button SDL_GameControllerButton button
); );
@ -4000,7 +4000,7 @@ namespace SDL2
/* haptic refers to an SDL_Haptic* */ /* haptic refers to an SDL_Haptic* */
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_HapticName(int device_index); public static extern string SDL_HapticName(int device_index);
/* haptic refers to an SDL_Haptic* */ /* haptic refers to an SDL_Haptic* */
@ -4254,7 +4254,7 @@ namespace SDL2
public static extern void SDL_FreeWAV(IntPtr audio_buf); public static extern void SDL_FreeWAV(IntPtr audio_buf);
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GetAudioDeviceName( public static extern string SDL_GetAudioDeviceName(
int index, int index,
int iscapture int iscapture
@ -4267,14 +4267,14 @@ namespace SDL2
); );
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GetAudioDriver(int index); public static extern string SDL_GetAudioDriver(int index);
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
public static extern SDL_AudioStatus SDL_GetAudioStatus(); public static extern SDL_AudioStatus SDL_GetAudioStatus();
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string SDL_GetCurrentAudioDriver(); public static extern string SDL_GetCurrentAudioDriver();
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]

6
src/SDL2_mixer.cs
View file

@ -223,14 +223,14 @@ namespace SDL2
public static extern int Mix_GetNumChunkDecoders(); public static extern int Mix_GetNumChunkDecoders();
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string Mix_GetChunkDecoder(int index); public static extern string Mix_GetChunkDecoder(int index);
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
public static extern int Mix_GetNumMusicDecoders(); public static extern int Mix_GetNumMusicDecoders();
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string Mix_GetMusicDecoder(int index); public static extern string Mix_GetMusicDecoder(int index);
/* music refers to a Mix_Music* */ /* music refers to a Mix_Music* */
@ -469,7 +469,7 @@ namespace SDL2
); );
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string Mix_GetSoundFonts(); public static extern string Mix_GetSoundFonts();
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]

4
src/SDL2_ttf.cs
View file

@ -167,14 +167,14 @@ namespace SDL2
/* font refers to a TTF_Font* */ /* font refers to a TTF_Font* */
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string TTF_FontFaceFamilyName( public static extern string TTF_FontFaceFamilyName(
IntPtr font IntPtr font
); );
/* font refers to a TTF_Font* */ /* font refers to a TTF_Font* */
[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
[return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler))] [return : MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LPUtf8StrMarshaler), MarshalCookie = LPUtf8StrMarshaler.LeaveAllocated)]
public static extern string TTF_FontFaceStyleName( public static extern string TTF_FontFaceStyleName(
IntPtr font IntPtr font
); );