public override Vector2 GetPreferredSize(NVGcontext ctx)
{
if (string.IsNullOrEmpty(caption))
{
return(Vector2.Zero);
}
Vector2 ret = Vector2.Zero;
int prefFontSize = GetPreferredFontSize();
NanoVG.nvgFontFace(ctx, font);
NanoVG.nvgFontSize(ctx, prefFontSize);
int fixedWidth = (int)this.fixedSize.X;
if (0 < fixedWidth)
{
Vector2 pos = this.localPosition;
NanoVG.nvgTextAlign(ctx, (int)(NVGalign.NVG_ALIGN_LEFT | NVGalign.NVG_ALIGN_TOP));
NanoVG.nvgTextBoxBounds(ctx, pos.X, pos.Y, fixedWidth, caption, m_Bounds);
ret.X = fixedWidth;
ret.Y = (m_Bounds[3] - m_Bounds[1]);
}
else
{
NanoVG.nvgTextAlign(ctx, (int)(NVGalign.NVG_ALIGN_LEFT | NVGalign.NVG_ALIGN_MIDDLE));
ret.X = NanoVG.nvgTextBounds(ctx, 0, 0, caption, m_Bounds);
ret.Y = prefFontSize;
}
return(ret);
}
