/// <summary>
/// Info String drawn at the bottom of the Preview
/// </summary>
public override string GetInfoString()
{
UI_Gradient gradient = target as UI_Gradient;
if (gradient == null)
{
return("Ooops, looks like something went wrong!");
}
// Image size Text
return(string.Format("Gradient Size: {0}x{1}", Mathf.RoundToInt(Mathf.Abs(gradient.rectTransform.rect.width)), Mathf.RoundToInt(Mathf.Abs(gradient.rectTransform.rect.height))));
}
/// <summary>
/// Draw the Gradient preview.
/// </summary>
public override void OnPreviewGUI(Rect rect, GUIStyle background)
{
UI_Gradient gradient = target as UI_Gradient;
if (gradient == null)
{
return;
}
Texture gradTexture = gradient.mainTexture;
if (gradTexture == null)
{
return;
}
// Create the texture rectangle that is centered inside rect.
Rect outerRect = rect;
outerRect.width = Mathf.Abs(rect.width);
outerRect.height = Mathf.Abs(rect.height);
if (outerRect.width > 0f)
{
float f = rect.width / outerRect.width;
outerRect.width *= f;
outerRect.height *= f;
}
if (rect.height > outerRect.height)
{
outerRect.y += (rect.height - outerRect.height) * 0.5f;
}
else if (outerRect.height > rect.height)
{
float f = rect.height / outerRect.height;
outerRect.width *= f;
outerRect.height *= f;
}
if (rect.width > outerRect.width)
{
outerRect.x += (rect.width - outerRect.width) * 0.5f;
}
EditorGUI.DrawPreviewTexture(outerRect, gradTexture, gradient.material, ScaleMode.ScaleToFit, 1f);
}
