platform/mac/SuperColliderAU/Source/ControlSpecs.cpp

   1 /*
   2         SuperColliderAU Copyright (c) 2006 Gerard Roma.
   3
   4  This program is free software; you can redistribute it and/or modify
   5  it under the terms of the GNU General Public License as published by
   6  the Free Software Foundation; either version 2 of the License, or
   7  (at your option) any later version.
   8
   9  This program is distributed in the hope that it will be useful,
  10  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  GNU General Public License for more details.
  13
  14  You should have received a copy of the GNU General Public License
  15  along with this program; if not, write to the Free Software
  16  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
  17  */
  18
  19 #include "ControlSpecs.h"
  20
  21
  22 ControlSpecs::ControlSpecs(CFDictionaryRef dict){
  23         if (CFDictionaryContainsKey(dict, kParamsSpecKey)){
  24         params =  (CFArrayRef) CFDictionaryGetValue(dict, kParamsSpecKey);
  25         numberOfParameters = CFArrayGetCount(params);
  26         synthName =  (CFStringRef)CFDictionaryGetValue(dict, kSynthDefSpecKey);
  27         }
  28 }
  29
  30
  31 float  ControlSpecs::getValue(UInt32 specNum, CFStringRef valueKey)
  32 {
  33     float value = 0;
  34     CFDictionaryRef thisParam  = (CFDictionaryRef) CFArrayGetValueAtIndex(params, specNum);
  35     CFNumberRef cfValue = (CFNumberRef)CFDictionaryGetValue(thisParam, valueKey);
  36         if(cfValue) CFNumberGetValue(cfValue,kCFNumberFloat32Type,(void *)&value);
  37     return value;
  38 }
  39
  40
  41
  42 void  ControlSpecs::setValue(UInt32 specNum, CFStringRef valueKey, float value)
  43 {
  44     CFDictionaryRef thisParam  = (CFDictionaryRef) CFArrayGetValueAtIndex(params, specNum);
  45     CFDictionarySetValue((CFMutableDictionaryRef)thisParam, (void*)valueKey,(void *)&value);
  46 }
  47
  48
  49 CFStringRef  ControlSpecs::getName(UInt32 specNum, CFStringRef nameKey)
  50 {
  51     CFDictionaryRef thisParam  = (CFDictionaryRef) CFArrayGetValueAtIndex(params, specNum);
  52     return (CFStringRef)CFDictionaryGetValue(thisParam, nameKey);
  53 }
  54
  55
  56 long  ControlSpecs::getDisplayFlag(UInt32 specNum)
  57 {
  58     int value = 0;
  59     CFDictionaryRef thisParam  = (CFDictionaryRef) CFArrayGetValueAtIndex(params, specNum);
  60     CFNumberRef cfValue = (CFNumberRef)CFDictionaryGetValue(thisParam, kDisplaySpecKey);
  61         if (cfValue)CFNumberGetValue(cfValue,kCFNumberIntType,(void *)&value);
  62         switch(value){
  63                 case 0: return 0;
  64                 case 1: return kAudioUnitParameterFlag_DisplaySquareRoot;
  65                 case 2: return kAudioUnitParameterFlag_DisplaySquared;
  66                 case 3: return kAudioUnitParameterFlag_DisplayCubed;
  67                 case 4: return kAudioUnitParameterFlag_DisplayCubeRoot;
  68                 case 5: return kAudioUnitParameterFlag_DisplayExponential;
  69                 case 6: return kAudioUnitParameterFlag_DisplayLogarithmic;
  70         }
  71     return value;
  72 }