//-----------------------------------------------------------------------------
void MadShiftaNumberCircle::draw(DGGraphicsContext * inContext)
{
// draw the outer edge of the background circle
CGContextRef cgContext = inContext->getPlatformGraphicsContext();
CGRect backgroundBounds = getBounds()->convertToCGRect( inContext->getPortHeight() );
CGContextAddEllipseInRect(cgContext, backgroundBounds);
inContext->setFillColor(kControlFillColor_alt);
inContext->endPath();
inContext->fillPath();
// draw the inner filling of the background circle
inContext->beginPath();
inContext->setFillColor(kControlBackgroundColor);
const CGFloat backgroundFrameWidth = 1.0f;
CGRect fillBounds = CGRectInset(backgroundBounds, backgroundFrameWidth, backgroundFrameWidth);
CGContextAddEllipseInRect(cgContext, fillBounds);
inContext->endPath();
inContext->fillPath();
// draw the pie portion filling
inContext->beginPath();
inContext->setFillColor(kControlFillColor);
CGFloat centerX = fillBounds.origin.x + (fillBounds.size.width * 0.5);
CGFloat centerY = fillBounds.origin.y + (fillBounds.size.height * 0.5);
SInt32 min = GetControl32BitMinimum( getCarbonControl() );
SInt32 max = GetControl32BitMaximum( getCarbonControl() );
SInt32 val = GetControl32BitValue( getCarbonControl() );
if (val <= min)
{
inContext->setStrokeColor(kControlFillColor_alt);
float linePosX = floorf(centerX) + 0.5f; // CoreGraphics lines are positioned between pixels rather than on them
float lineStartY = fillBounds.origin.y;
float lineEndY = roundf(centerY);
inContext->drawLine(linePosX, lineStartY, linePosX, lineEndY, 1.0f);
}
else if (val >= max)
{
CGContextAddEllipseInRect(cgContext, fillBounds);
inContext->fillPath();
}
else
{
double paramValue_gen = getDfxGuiEditor()->getparameter_f( getParameterID() );
const CAAUParameter auParam = getAUVP();
paramValue_gen = AUParameterValueToLinear(paramValue_gen, &auParam);
CGFloat radius = fillBounds.size.width * 0.5;
CGFloat startAngle = 0.0;
CGFloat angle = paramValue_gen * (kDFX_PI_d * 2.0);
startAngle = kDFX_PI_d * 0.5;
angle = kDFX_PI_d;
CGContextAddArc(cgContext, centerX, centerY, radius, startAngle, angle + startAngle, 0);
inContext->endPath();
inContext->fillPath();
inContext->beginPath();
if (paramValue_gen >= 0.5)
{
startAngle -= (paramValue_gen - 0.5) * (kDFX_PI_d * 2.0);
CGContextAddArc(cgContext, centerX, centerY, radius, startAngle, angle + startAngle, 0);
}
else
{
inContext->setFillColor(kControlBackgroundColor);
radius += backgroundFrameWidth;
startAngle -= paramValue_gen * (kDFX_PI_d * 2.0);
CGContextAddArc(cgContext, centerX, centerY, radius, startAngle, angle + startAngle, 0);
}
inContext->endPath();
inContext->fillPath();
}
DGTextDisplay::draw(inContext);
}
void AUCarbonViewControl::ParameterToControl(Float32 paramValue)
{
#if !__LP64__
++mInControlInitialization;
switch (mType) {
case kTypeContinuous:
SetValueFract(AUParameterValueToLinear(paramValue, &mParam));
break;
case kTypeDiscrete:
{
long value = long(paramValue);
// special case [1] -- menu parameters
if (mParam.HasNamedParams()) {
// if we're dealing with menus they behave differently!
// becaue setting min and max doesn't work correctly for the control value
// first menu item always reports a control value of 1
ControlKind ctrlKind;
if (GetControlKind(mControl, &ctrlKind) == noErr) {
if ((ctrlKind.kind == kControlKindPopupArrow)
|| (ctrlKind.kind == kControlKindPopupButton))
{
value = value - long(mParam.ParamInfo().minValue) + 1;
}
}
}
// special case [2] -- Write-only boolean parameters
AudioUnitParameterInfo AUPI = mParam.ParamInfo();
bool isWriteOnlyBoolParameter = ( (AUPI.unit == kAudioUnitParameterUnit_Boolean) &&
(AUPI.flags & kAudioUnitParameterFlag_IsWritable) &&
!(AUPI.flags & kAudioUnitParameterFlag_IsReadable) );
if (!isWriteOnlyBoolParameter) {
SetValue (value);
}
}
break;
case kTypeText:
{
CFStringRef cfstr = mParam.GetStringFromValueCopy(¶mValue);
if ( !(mParam.ParamInfo().flags & kAudioUnitParameterFlag_IsWritable) //READ ONLY PARAMS
&& (mParam.ParamInfo().flags & kAudioUnitParameterFlag_IsReadable))
{
if (mParam.GetParamTag()) {
CFMutableStringRef str = CFStringCreateMutableCopy(NULL, 256, cfstr);
CFRelease (cfstr);
CFStringAppend (str, CFSTR(" "));
CFStringAppend (str, mParam.GetParamTag());
cfstr = str;
}
}
SetTextValue(cfstr);
CFRelease (cfstr);
}
break;
}
--mInControlInitialization;
#endif
}
