void GLViewProtocol::setDesignResolutionSize(float width, float height, ResolutionPolicy resolutionPolicy)
{
CCASSERT(resolutionPolicy != ResolutionPolicy::UNKNOWN, "should set resolutionPolicy");
if (width == 0.0f || height == 0.0f)
{
return;
}
_designResolutionSize.setSize(width, height);
_scaleX = (float)_screenSize.width / _designResolutionSize.width;
_scaleY = (float)_screenSize.height / _designResolutionSize.height;
if (resolutionPolicy == ResolutionPolicy::NO_BORDER)
{
_scaleX = _scaleY = MAX(_scaleX, _scaleY);
}
else if (resolutionPolicy == ResolutionPolicy::SHOW_ALL)
{
_scaleX = _scaleY = MIN(_scaleX, _scaleY);
}
else if ( resolutionPolicy == ResolutionPolicy::FIXED_HEIGHT) {
_scaleX = _scaleY;
_designResolutionSize.width = ceilf(_screenSize.width/_scaleX);
}
else if ( resolutionPolicy == ResolutionPolicy::FIXED_WIDTH) {
_scaleY = _scaleX;
_designResolutionSize.height = ceilf(_screenSize.height/_scaleY);
}
// calculate the rect of viewport
float viewPortW = _designResolutionSize.width * _scaleX;
float viewPortH = _designResolutionSize.height * _scaleY;
_viewPortRect.setRect((_screenSize.width - viewPortW) / 2, (_screenSize.height - viewPortH) / 2, viewPortW, viewPortH);
_resolutionPolicy = resolutionPolicy;
// reset director's member variables to fit visible rect
auto director = Director::getInstance();
director->_winSizeInPoints = getDesignResolutionSize();
director->createStatsLabel();
director->setGLDefaultValues();
}
void GLView::updateDesignResolutionSize()
{
if (_screenSize.width > 0 && _screenSize.height > 0
&& _designResolutionSize.width > 0 && _designResolutionSize.height > 0)
{
_scaleX = (float)_screenSize.width / _designResolutionSize.width;
_scaleY = (float)_screenSize.height / _designResolutionSize.height;
if (_resolutionPolicy == ResolutionPolicy::NO_BORDER)
{
_scaleX = _scaleY = MAX(_scaleX, _scaleY);
}
else if (_resolutionPolicy == ResolutionPolicy::SHOW_ALL)
{
_scaleX = _scaleY = MIN(_scaleX, _scaleY);
}
else if ( _resolutionPolicy == ResolutionPolicy::FIXED_HEIGHT) {
_scaleX = _scaleY;
_designResolutionSize.width = ceilf(_screenSize.width/_scaleX);
}
else if ( _resolutionPolicy == ResolutionPolicy::FIXED_WIDTH) {
_scaleY = _scaleX;
_designResolutionSize.height = ceilf(_screenSize.height/_scaleY);
}
// calculate the rect of viewport
float viewPortW = _designResolutionSize.width * _scaleX;
float viewPortH = _designResolutionSize.height * _scaleY;
_viewPortRect.setRect((_screenSize.width - viewPortW) / 2, (_screenSize.height - viewPortH) / 2, viewPortW, viewPortH);
// reset director's member variables to fit visible rect
auto director = Director::getInstance();
director->_winSizeInPoints = getDesignResolutionSize();
director->createStatsLabel();
director->setGLDefaultValues();
}
}
