GUIUtils.h

Go to the documentation of this file.

/*
 * Copyright (c) 2018 pongasoft
 *
 * Licensed under the Apache License, Version 2.0 or the MIT license,
 * at your option. You may not use this file except in compliance with
 * one of these licenses. You may obtain copies of the licenses at:
 *
 * https://www.apache.org/licenses/LICENSE-2.0
 * https://opensource.org/licenses/MIT
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 *
 * @author Yan Pujante
 */
#pragma once
 
#include <vstgui4/vstgui/lib/ccolor.h>
#include <vstgui4/vstgui/lib/crect.h>
 
namespace pongasoft {
namespace VST {
namespace GUI {
 
using namespace VSTGUI;
 
//------------------------------------------------------------------------
// CColor related utils
//------------------------------------------------------------------------
namespace CColorUtils {
 
// convenient call to check if a color is transparent
inline bool isTransparent(CColor const &iColor) {
  return iColor.alpha == 0;
}
 
}
 
//------------------------------------------------------------------------
// CRect related utils
//------------------------------------------------------------------------
namespace CRectUtils {
 
// offsetTop
inline CRect offsetTop(CRect const &iRect, CCoord iTop) {
  CRect res = iRect;
  res.top += iTop;
  return res;
}
 
// offsetRight
inline CRect offsetRight(CRect const &iRect, CCoord iRight) {
  CRect res = iRect;
  res.right += iRight;
  return res;
}
 
// offsetLeft
inline CRect offsetLeft(CRect const &iRect, CCoord iLeft) {
  CRect res = iRect;
  res.left += iLeft;
  return res;
}
 
// offsetBottom
inline CRect offsetBottom(CRect const &iRect, CCoord iBottom) {
  CRect res = iRect;
  res.bottom += iBottom;
  return res;
}
 
}
 
 
 
}
}
}