| private igCalcTextSize ( Vector2 &pOut, char text, char text_end, bool hide_text_after_double_hash, float wrap_width ) : void | ||
| pOut | Vector2 | |
| text | char | |
| text_end | char | |
| hide_text_after_double_hash | bool | |
| wrap_width | float | |
| Результат | void | |
public static unsafe Vector2 GetTextSize(string text, float wrapWidth = Int32.MaxValue)
{
Vector2 result;
IntPtr buffer = Marshal.StringToHGlobalAnsi(text);
byte * textStart = (byte *)buffer.ToPointer();
byte * textEnd = textStart + text.Length;
ImGuiNative.igCalcTextSize(out result, (char *)textStart, (char *)textEnd, false, wrapWidth);
return(result);
}
private static Vector2 CalcTextSizeImpl(
string text,
int start = 0,
int?length = null,
bool hideTextAfterDoubleHash = false,
float wrapWidth = -1.0f)
{
Vector2 ret;
byte * nativeTextStart = null;
byte * nativeTextEnd = null;
int textByteCount = 0;
if (text != null)
{
int textToCopyLen = length.HasValue ? length.Value : text.Length;
textByteCount = Util.CalcSizeInUtf8(text, start, textToCopyLen);
if (textByteCount > Util.StackAllocationSizeLimit)
{
nativeTextStart = Util.Allocate(textByteCount + 1);
}
else
{
byte *nativeTextStackBytes = stackalloc byte[textByteCount + 1];
nativeTextStart = nativeTextStackBytes;
}
int nativeTextOffset = Util.GetUtf8(text, start, textToCopyLen, nativeTextStart, textByteCount);
nativeTextStart[nativeTextOffset] = 0;
nativeTextEnd = nativeTextStart + nativeTextOffset;
}
ImGuiNative.igCalcTextSize(&ret, nativeTextStart, nativeTextEnd, *((byte *)(&hideTextAfterDoubleHash)), wrapWidth);
if (textByteCount > Util.StackAllocationSizeLimit)
{
Util.Free(nativeTextStart);
}
return(ret);
}
