public static void WidgetText(this CommandBuffer o, RectangleF b, StringSegment _string_, nk_text* t,
nk_text_align a, nk_font f)
{
var label = new RectangleF();
float text_width;
if (o == null || t == null)
return;
b.Height = b.Height < 2 * t->padding.Y ? 2 * t->padding.Y : b.Height;
label.X = 0;
label.Width = 0;
label.Y = b.Y + t->padding.Y;
label.Height = f.Size < b.Height - 2 * t->padding.Y ? f.Size : b.Height - 2 * t->padding.Y;
text_width = f.width(_string_);
text_width += 2.0f * t->padding.X;
if ((a & nk_text_align.NK_TEXT_ALIGN_LEFT) != 0)
{
label.X = b.X + t->padding.X;
label.Width = 0 < b.Width - 2 * t->padding.X ? b.Width - 2 * t->padding.X : 0;
}
else if ((a & nk_text_align.NK_TEXT_ALIGN_CENTERED) != 0)
{
label.Width = 1 < 2 * t->padding.X + text_width ? 2 * t->padding.X + text_width : 1;
label.X = b.X + t->padding.X + (b.Width - 2 * t->padding.X - label.Width) / 2;
label.X = b.X + t->padding.X < label.X ? label.X : b.X + t->padding.X;
label.Width = b.X + b.Width < label.X + label.Width ? b.X + b.Width : label.X + label.Width;
if (label.Width >= label.X)
label.Width -= label.X;
}
else if ((a & nk_text_align.NK_TEXT_ALIGN_RIGHT) != 0)
{
label.X =
b.X + t->padding.X < b.X + b.Width - (2 * t->padding.X + text_width)
? b.X + b.Width - (2 * t->padding.X + text_width)
: b.X + t->padding.X;
label.Width = text_width + 2 * t->padding.X;
}
else
{
return;
}
if ((a & nk_text_align.NK_TEXT_ALIGN_MIDDLE) != 0)
{
label.Y = b.Y + b.Height / 2.0f - f.Size / 2.0f;
label.Height =
b.Height / 2.0f < b.Height - (b.Height / 2.0f + f.Size / 2.0f)
? b.Height - (b.Height / 2.0f + f.Size / 2.0f)
: b.Height / 2.0f;
}
else if ((a & nk_text_align.NK_TEXT_ALIGN_BOTTOM) != 0)
{
label.Y = b.Y + b.Height - f.Size;
label.Height = f.Size;
}
o.DrawText(label, _string_, f, t->Background,
t->text);
}
public static void nk_widget_text_wrap(this CommandBuffer o, RectangleF b, StringSegment _string_, nk_text* t,
nk_font f)
{
float width;
var glyphs = 0;
var fitting = 0;
var done = 0;
var line = new RectangleF();
var text = new nk_text();
var seperator = stackalloc uint[1];
seperator[0] = ' ';
if (o == null || t == null)
return;
text.padding = new Vector2(0, 0);
text.Background = t->Background;
text.text = t->text;
b.Width = b.Width < 2 * t->padding.X ? 2 * t->padding.X : b.Width;
b.Height = b.Height < 2 * t->padding.Y ? 2 * t->padding.Y : b.Height;
b.Height = b.Height - 2 * t->padding.Y;
line.X = b.X + t->padding.X;
line.Y = b.Y + t->padding.Y;
line.Width = b.Width - 2 * t->padding.X;
line.Height = 2 * t->padding.Y + f.Size;
fitting = f.nk_text_clamp(_string_, line.Width, out glyphs, out width, seperator, 1);
while (done < _string_.Length)
{
if (fitting == 0 || line.Y + line.Height >= b.Y + b.Height)
break;
WidgetText(o, line, _string_ + done, &text, nk_text_align.NK_TEXT_LEFT, f);
done += fitting;
line.Y += f.Size + 2 * t->padding.Y;
fitting = f.nk_text_clamp(_string_ + done, line.Width, out glyphs, out width,
seperator, 1);
}
}
