public float text_width(NkHandle h, float height, char *s, int length)
{
char unicode;
int textLen;
float textWidth = 0;
if (s == null || length == 0)
{
return(0);
}
var scale = height / Info.height;
var glyphLen = textLen = Nk.nk_utf_decode(s, &unicode, length);
if (glyphLen == 0)
{
return(0);
}
while (textLen <= length && glyphLen != 0)
{
if (unicode == 0xFFFD)
{
break;
}
var g = Nk.nk_font_find_glyph(this, unicode);
textWidth += g->xadvance * scale;
glyphLen = Nk.nk_utf_decode(s + textLen, &unicode, length - textLen);
textLen += glyphLen;
}
return(textWidth);
}
public static NkImage nk_image_handle(NkHandle handle)
{
NkImage s = new NkImage();
s.handle = (NkHandle)(handle);
s.w = (ushort)(0);
s.h = (ushort)(0);
s.region[0] = (ushort)(0);
s.region[1] = (ushort)(0);
s.region[2] = (ushort)(0);
s.region[3] = (ushort)(0);
return((NkImage)(s));
}
public static NkImage nk_subimage_handle(NkHandle handle, ushort w, ushort h, NkRect r)
{
NkImage s = new NkImage();
s.handle = (NkHandle)(handle);
s.w = (ushort)(w);
s.h = (ushort)(h);
s.region[0] = ((ushort)(r.x));
s.region[1] = ((ushort)(r.y));
s.region[2] = ((ushort)(r.w));
s.region[3] = ((ushort)(r.h));
return((NkImage)(s));
}
public static void nk_mfree(NkHandle unused, void *ptr)
{
CRuntime.Free(ptr);
}
public static void *nk_malloc(NkHandle unused, void *old, ulong size)
{
return(CRuntime.Malloc((ulong)(size)));
}
public void query_font_glyph(NkHandle h, float height, NkUserFontGlyph *glyph, char codepoint,
char nextCodepoint)
{
Nk.nk_font_query_font_glyph(this, height, glyph, codepoint, nextCodepoint);
}