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Fixed crash in Text.DisplayedString (get) in SFML.Net (fixes issue #16)

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This commit is contained in:
Laurent Gomila 2011-05-09 23:23:08 +02:00
parent 816a36ea0d
commit e3c8fd6586
1 changed files with 33 additions and 8 deletions
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41
bindings/dotnet/src/Graphics/Text.cs
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@ -201,10 +201,32 @@ namespace SFML
////////////////////////////////////////////////////////////
public string DisplayedString
{
// TODO : use unicode functions
// (convert from UTF-16 to UTF-32, and find how to marshal System.String as sfUint32*...)
get {return sfText_GetString(This);}
set {sfText_SetString(This, value);}
get
{
// Get the number of characters
// This is probably not the most optimized way; if anyone has a better solution...
int length = Marshal.PtrToStringAnsi(sfText_GetString(This)).Length;
// Copy the characters
byte[] characters = new byte[length * 4];
Marshal.Copy(sfText_GetUnicodeString(This), characters, 0, characters.Length);
// Convert from UTF-32 to String (UTF-16)
return System.Text.Encoding.UTF32.GetString(characters);
}
set
{
// Convert from String (UTF-16) to UTF-32
int[] characters = new int[value.Length];
for (int i = 0; i < value.Length; ++i)
characters[i] = Char.ConvertToUtf32(value, i);
// Transform to raw and pass to the C API
GCHandle handle = GCHandle.Alloc(characters, GCHandleType.Pinned);
sfText_SetUnicodeString(This, handle.AddrOfPinnedObject());
handle.Free();
}
}
////////////////////////////////////////////////////////////
@ -406,8 +428,8 @@ namespace SFML
[DllImport("csfml-graphics-2", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
static extern void sfRenderImage_DrawTextWithShader(IntPtr This, IntPtr String, IntPtr Shader);
[DllImport("csfml-graphics-2", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi), SuppressUnmanagedCodeSecurity]
static extern void sfText_SetString(IntPtr This, string Text);
[DllImport("csfml-graphics-2", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
static extern void sfText_SetUnicodeString(IntPtr This, IntPtr Text);
[DllImport("csfml-graphics-2", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
static extern void sfText_SetFont(IntPtr This, IntPtr Font);
@ -418,8 +440,11 @@ namespace SFML
[DllImport("csfml-graphics-2", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
static extern void sfText_SetStyle(IntPtr This, Styles Style);
[DllImport("csfml-graphics-2", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi), SuppressUnmanagedCodeSecurity]
static extern string sfText_GetString(IntPtr This);
[DllImport("csfml-graphics-2", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
static extern IntPtr sfText_GetString(IntPtr This);
[DllImport("csfml-graphics-2", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
static extern IntPtr sfText_GetUnicodeString(IntPtr This);
[DllImport("csfml-graphics-2", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
static extern uint sfText_GetCharacterSize(IntPtr This);