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Connecting It All

Now that you have the API tools worked through, you need to begin building your visual plugin. The following code with comments explains how you can do this.

// Windows headers
#include <windows.h>

#include "iTunesVisualAPI.h"


#if TARGET_OS_WIN32
 #define GRAPHICS_DEVICE HWND
#endif
#if TARGET_OS_MAC
 #define GRAPHICS_DEVICE CGrafPtr
#endif

#if TARGET_OS_WIN32
#define MAIN iTunesPluginMain
#define IMPEXP __declspec(dllexport)
#else
#define IMPEXP
#define MAIN main
#endif

#define kSampleVisualPluginName  "Sample Visual"
#define kSampleVisualPluginCreator '\?\?\?\?'

#define kSampleVisualPluginMajorVersion  1
#define kSampleVisualPluginMinorVersion  0
#define kSampleVisualPluginReleaseStage  0x80
#define kSampleVisualPluginNonFinalRelease 0

enum
{
 kSettingsDialogResID = 1000,
 
 kSettingsDialogOKButton = 1,
 kSettingsDialogCancelButton,
 
 kSettingsDialogCheckBox1,
 kSettingsDialogCheckBox2,
 kSettingsDialogCheckBox3
};

struct VisualPluginData {
 void *    appCookie;
 ITAppProcPtr  appProc;

#if TARGET_OS_MAC
 ITFileSpec   pluginFileSpec;
#endif
 
 GRAPHICS_DEVICE  destPort;
 Rect    destRect;
 OptionBits   destOptions;
 UInt32    destBitDepth;

 RenderVisualData renderData;
 UInt32    renderTimeStampID;
 
 SInt8    waveformData[kVisualMaxDataChannels][kVisualNumWaveformEntries];
 
 UInt8    level[kVisualMaxDataChannels];  /* 0-128 */
 
 ITTrackInfoV1  trackInfo;
 ITStreamInfoV1  streamInfo;

 Boolean    playing;
 Boolean    padding[3];

/*
 Plugin-specific data
*/
#if TARGET_OS_MAC
 GWorldPtr   offscreen;
#endif
};
typedef struct VisualPluginData VisualPluginData;

// ClearMemory
//
static void ClearMemory (LogicalAddress dest, SInt32 length)
{
 register unsigned char *ptr;

 ptr = (unsigned char *) dest;
 
 if( length > 16 )
 {
  register unsigned long *longPtr;
  
  while( ((unsigned long) ptr & 3) != 0 )
  {
   *ptr++ = 0;
   --length;
  }
  
  longPtr = (unsigned long *) ptr;
  
  while( length >= 4 )
  {
   *longPtr++  = 0;
   length  -= 4;
  }
  
  ptr = (unsigned char *) longPtr;
 }
 
 while( --length >= 0 )
 {
  *ptr++ = 0;
 }
}

/*
 ProcessRenderData
*/
static void ProcessRenderData (VisualPluginData *visualPluginData, const RenderVisualData *renderData)
{
 SInt16  index;
 SInt32  channel;
 
 visualPluginData->level[0] = 0;
 visualPluginData->level[1] = 0;
  
 if (renderData == nil)
 {
  ClearMemory(&visualPluginData->renderData, sizeof(visualPluginData->renderData));
  return;
 }

 visualPluginData->renderData = *renderData;
 
 for (channel = 0; channel < kVisualMaxDataChannels; channel++)
 {
  for (index = 0; index < kVisualNumWaveformEntries; index++)
  {
   SInt8  value;
   
   value = renderData->waveformData[channel][index] - 0x80;
   
   visualPluginData->waveformData[channel][index] = value;
    
   if (value < 0)
    value = -value;
    
   if (value > visualPluginData->level[channel])
    visualPluginData->level[channel] = value;
  }
 }
}

#if TARGET_OS_MAC
// GetPortCopyBitsBitMap
//
static BitMap * GetPortCopyBitsBitMap (CGrafPtr port)
{
 BitMap *  destBMap;
#if OPAQUE_TOOLBOX_STRUCTS
 PixMapHandle pixMap;
 
 pixMap  = GetPortPixMap(port);
 destBMap = (BitMap *)(*pixMap);
#else
 destBMap = (BitMap *)&((GrafPtr)port)->portBits;
#endif

 return destBMap;
}
#endif

/*
 RenderVisualPort
*/
static void RenderVisualPort (VisualPluginData *visualPluginData, GRAPHICS_DEVICE destPort, const Rect *destRect, Boolean onlyUpdate)
{

 (void) visualPluginData;
 (void) onlyUpdate;
 
 if (destPort == nil)
  return;

 #if TARGET_OS_MAC 
 { 
  BitMap * srcBitMap;
  BitMap * dstBitMap;
  Rect  srcRect;
  CGrafPtr oldPort;
  GDHandle oldDevice;

  if (visualPluginData->offscreen == nil)
   return;
   
  srcRect  = *destRect;
  MacOffsetRect(&srcRect, -srcRect.left, -srcRect.top);

  GetGWorld(&oldPort, &oldDevice);
  
  if (onlyUpdate == false)
  {
   RGBColor foreColor;
  
   /*
    Update our offscreen pixmap
   */

   SetGWorld(visualPluginData->offscreen, nil);

   foreColor.red = foreColor.green = ((UInt16)visualPluginData->level[1] << 9);
   foreColor.blue = ((UInt16)visualPluginData->level[0] << 9);

   RGBForeColor(&foreColor);
   PaintRect(&srcRect);
  }
  
  srcBitMap = GetPortCopyBitsBitMap(visualPluginData->offscreen);
  dstBitMap = GetPortCopyBitsBitMap(destPort);
  
  SetGWorld(destPort, nil);
  
  ForeColor(blackColor);
  BackColor(whiteColor);

  CopyBits(srcBitMap, dstBitMap, &srcRect, destRect, srcCopy, nil);

  SetGWorld(oldPort, oldDevice);
 }
 #else
 {
  RECT srcRect;
  HBRUSH hBrush;
  HDC  hdc;
  
  srcRect.left = destRect->left;
  srcRect.top = destRect->top;
  srcRect.right = destRect->right;
  srcRect.bottom = destRect->bottom;
  
  hdc = GetDC(destPort);  
  hBrush = CreateSolidBrush(RGB((UInt16)visualPluginData->level[1]<<1, (UInt16)visualPluginData->level[1]<<1, (UInt16)visualPluginData->level[0]<<1));
  FillRect(hdc, &srcRect, hBrush);
  DeleteObject(hBrush);
  ReleaseDC(destPort, hdc);
 }
 #endif
}

/*
 AllocateVisualData is where you should allocate any information that depends
 on the port or rect changing (like offscreen GWorlds).
*/
static OSStatus AllocateVisualData (VisualPluginData *visualPluginData, const Rect *destRect)
{
 OSStatus  status;
#if TARGET_OS_MAC
 CGrafPtr  oldPort;
 GDHandle  oldDevice;
 Rect   allocateRect;

 GetGWorld(&oldPort, &oldDevice);
 
 allocateRect = *destRect;
 MacOffsetRect(&allocateRect, -allocateRect.left, -allocateRect.top);
    
 status = JRNewGWorld(&visualPluginData->offscreen, 32, &allocateRect, nil, nil, useTempMem);
 if (status == noErr)
 {
  PixMapHandle pix = GetGWorldPixMap(visualPluginData->offscreen);

  LockPixels(pix);

  // Offscreen starts out black
  SetGWorld(visualPluginData->offscreen, nil);
  
  ForeColor(blackColor);
  PaintRect(&allocateRect);
 }

 SetGWorld(oldPort, oldDevice);
#else
 (void) visualPluginData;
 (void) destRect;

 status = noErr;
#endif
 return status;
}


/*
 DeallocateVisualData is where you should deallocate the things you have allocated
*/
static void DeallocateVisualData (VisualPluginData *visualPluginData)
{
 #if TARGET_OS_MAC
 if (visualPluginData->offscreen != nil)
 {
  JRDisposeGWorld(visualPluginData->offscreen);
  visualPluginData->offscreen = nil;
 }
 #else
  (void)visualPluginData;
 #endif
}

static Boolean RectanglesEqual(const Rect *r1, const Rect *r2)
{
 if (
  (r1->left == r2->left) &&
  (r1->top == r2->top) &&
  (r1->right == r2->right) &&
  (r1->bottom == r2->bottom)
  )
  return true;
 return false;
 
}

// ChangeVisualPort
//
static OSStatus ChangeVisualPort (VisualPluginData *visualPluginData, GRAPHICS_DEVICE destPort, const Rect *destRect)
{
 OSStatus  status;
 Boolean   doAllocate;
 Boolean   doDeallocate;
 
 status = noErr;
 
 doAllocate  = false;
 doDeallocate = false;
  
 if (destPort != nil)
 {
  if (visualPluginData->destPort != nil)
  {
   if (RectanglesEqual(destRect, &visualPluginData->destRect) == false)
   {
    doDeallocate = true;
    doAllocate  = true;
   }
  }
  else
  {
   doAllocate = true;
  }
 }
 else
 {
  doDeallocate = true;
 }
 
 if (doDeallocate)
  DeallocateVisualData(visualPluginData);
 
 if (doAllocate)
  status = AllocateVisualData(visualPluginData, destRect);

 if (status != noErr)
  destPort = nil;

 visualPluginData->destPort = destPort;
 if (destRect != nil)
  visualPluginData->destRect = *destRect;

 return status;
}


/*
 ResetRenderData
*/
static void ResetRenderData (VisualPluginData *visualPluginData)
{
 ClearMemory(&visualPluginData->renderData, sizeof(visualPluginData->renderData));
 
 ClearMemory(&visualPluginData->waveformData[0][0], sizeof(visualPluginData->waveformData));
 
 visualPluginData->level[0] = 0;
 visualPluginData->level[1] = 0;
}

#if TARGET_OS_MAC
/*
 SettingsDialogFilterProc
*/
static DEFINE_API(Boolean) SettingsDialogFilterProc (DialogPtr theDialog, EventRecord * theEvent, short * itemHit)
{
 Boolean    handled;
 WindowPtr   theWindow;
 VisualPluginData * visualPluginData;
 GrafPtr    savePort;
 
 theWindow   = GetDialogWindow(theDialog);
 visualPluginData = (VisualPluginData *) GetWRefCon(theWindow);
 handled    = true;
 *itemHit    = 0;
 
 GetPort( &savePort );
 MacSetPort( (GrafPtr) GetWindowPort(theWindow) );
 
 switch (theEvent->what)
 {
  case nullEvent:
  {
   /* Let iTunes have idle events so the visuals can continue while playing */ 
   PlayerHandleMacOSEvent( visualPluginData->appCookie, visualPluginData->appProc, theEvent, nil );
   handled = false;
   break;
  }
 
  case updateEvt:
  {
   if( (WindowPtr) theEvent->message == theWindow )
   {
    handled = false;
   }
   else
   {
    PlayerHandleMacOSEvent( visualPluginData->appCookie, visualPluginData->appProc, theEvent, &handled );
   }
   
   break;
  }
  
  default:
   PlayerHandleMacOSEvent( visualPluginData->appCookie, visualPluginData->appProc, theEvent, &handled );
   break;
 }

 if (handled == false)
  handled = StdFilterProc( theDialog, theEvent, itemHit );

 MacSetPort( savePort );
 
 return handled ;
}

/* 
 DoSettingsDialog
*/
static OSStatus DoSettingsDialog (VisualPluginData *visualPluginData)
{
 OSStatus status;
 DialogPtr theDialog;
 GrafPtr  savePort;
 
 status = noErr;
 
 GetPort( &savePort );
 
 theDialog = GetNewDialog( kSettingsDialogResID, nil, (WindowRef) -1L );
 if( theDialog != nil )
 {
  WindowRef  theWindow;
  SInt16   itemHit;
  ModalFilterUPP filterUPP;
  
  theWindow = GetDialogWindow( theDialog );

  MacSetPort( (GrafPtr) GetWindowPort(theWindow) );
  
  SetWRefCon( theWindow, (UInt32) visualPluginData );
  
  SetDialogDefaultItem( theDialog, kSettingsDialogOKButton );
  SetDialogCancelItem( theDialog, kSettingsDialogCancelButton );
 
  MacShowWindow( theWindow );
  SelectWindow( theWindow );
  
  itemHit = 0;
  
  filterUPP = NewModalFilterUPP( SettingsDialogFilterProc );
  
  while( itemHit != kSettingsDialogOKButton && itemHit != kSettingsDialogCancelButton )
  {
   ModalDialog( filterUPP, &itemHit );
  
   switch( itemHit )
   {
    case kSettingsDialogCheckBox1:
    case kSettingsDialogCheckBox2:
    case kSettingsDialogCheckBox3:
    {
     ControlHandle theControl;
     
     if( GetDialogItemAsControl( theDialog, itemHit, &theControl ) == noErr )
     {
      SetControlValue( theControl, GetControlValue(theControl) == 0 ? 1 : 0 );
     }
    
     break;
    }
    
    case kSettingsDialogCancelButton:
     status = userCanceledErr;
     break;
     
    default:
     break;
   }
  }
  
  DisposeModalFilterUPP( filterUPP );
  DisposeDialog( theDialog );
 }
 else
 {
  status = memFullErr;
 }
 
 MacSetPort( savePort );
 
 return status;
}
#endif

/*
 VisualPluginHandler
*/
static OSStatus VisualPluginHandler (OSType message, VisualPluginMessageInfo *messageInfo, void *refCon)
{
 OSStatus   status;
 VisualPluginData * visualPluginData;
 
 visualPluginData = (VisualPluginData *)refCon;
 
 status = noErr;

 switch (message)
 {
  /*
   Sent when the visual plugin is registered. The plugin should do minimal
   memory allocations here. The resource fork of the plugin is still available.
  */  
  case kVisualPluginInitMessage:
  {
   visualPluginData = (VisualPluginData *)malloc(sizeof(VisualPluginData));
   if (visualPluginData == nil)
   {
    status = memFullErr;
    break;
   }

   visualPluginData->appCookie = messageInfo->u.initMessage.appCookie;
   visualPluginData->appProc = messageInfo->u.initMessage.appProc;

   /* Remember the file spec of our plugin file. We need this so we can open our resource fork during */
   /* the configuration message */

#if TARGET_OS_MAC   
   status = PlayerGetPluginFileSpec( visualPluginData->appCookie, visualPluginData->appProc, &visualPluginData->pluginFileSpec );
#endif

   messageInfo->u.initMessage.refCon = (void *)visualPluginData;
   break;
  }
   
  /*
   Sent when the visual plugin is unloaded
  */  
  case kVisualPluginCleanupMessage:
   if (visualPluginData != nil)
    free(visualPluginData);
   break;
   
  /*
   Sent when the visual plugin is enabled. iTunes currently enables all
   loaded visual plugins. The plugin should not do anything here.
  */
  case kVisualPluginEnableMessage:
  case kVisualPluginDisableMessage:
   break;

  /*
   Sent if the plugin requests idle messages. Do this by setting the kVisualWantsIdleMessages
   option in the PlayerRegisterVisualPluginMessage.options field.
  */
  case kVisualPluginIdleMessage:
   if (visualPluginData->playing == false)
    RenderVisualPort(visualPluginData, visualPluginData->destPort, &visualPluginData->destRect, false);
   break;

#if TARGET_OS_MAC     
  /*
   Sent if the plugin requests the ability for the user to configure it. Do this by setting
   the kVisualWantsConfigure option in the PlayerRegisterVisualPluginMessage.options field.
  */
  case kVisualPluginConfigureMessage:
  {
   short oldResFile;
   short ourResFile;
   
   oldResFile = CurResFile();
   
   ourResFile = FSpOpenResFile( &visualPluginData->pluginFileSpec, fsRdPerm );
   if( ourResFile > 0 )
   {
    status = DoSettingsDialog( visualPluginData );
    
    CloseResFile( ourResFile );
   }
   else
   {
    status = fnfErr;
   }

   UseResFile( oldResFile );
   break;
  }
#endif
  
  /*
   Sent when iTunes is going to show the visual plugin in a port. At
   this point, the plugin should allocate any large buffers it needs.
  */
  case kVisualPluginShowWindowMessage:
   visualPluginData->destOptions = messageInfo->u.showWindowMessage.options;

   status = ChangeVisualPort( visualPluginData,
          #if TARGET_OS_WIN32
           messageInfo->u.showWindowMessage.window,
          #endif
          #if TARGET_OS_MAC
           messageInfo->u.showWindowMessage.port,
          #endif
          &messageInfo->u.showWindowMessage.drawRect);
   if (status == noErr)
    RenderVisualPort(visualPluginData, visualPluginData->destPort, &visualPluginData->destRect, true);
   break;
   
  /*
   Sent when iTunes is no longer displayed.
  */
  case kVisualPluginHideWindowMessage:
   (void) ChangeVisualPort(visualPluginData, nil, nil);

   ClearMemory(&visualPluginData->trackInfo, sizeof(visualPluginData->trackInfo));
   ClearMemory(&visualPluginData->streamInfo, sizeof(visualPluginData->streamInfo));
   break;
  
  /*
   Sent when iTunes needs to change the port or rectangle of the currently
   displayed visual.
  */
  case kVisualPluginSetWindowMessage:
   visualPluginData->destOptions = messageInfo->u.setWindowMessage.options;

   status = ChangeVisualPort( visualPluginData,
          #if TARGET_OS_WIN32
           messageInfo->u.setWindowMessage.window,
          #endif
          #if TARGET_OS_MAC
           messageInfo->u.setWindowMessage.port,
          #endif
          &messageInfo->u.setWindowMessage.drawRect);

   if (status == noErr)
    RenderVisualPort(visualPluginData, visualPluginData->destPort, &visualPluginData->destRect, true);
   break;
  
  /*
   Sent for the visual plugin to render a frame.
  */
  case kVisualPluginRenderMessage:
   visualPluginData->renderTimeStampID = messageInfo->u.renderMessage.timeStampID;

   ProcessRenderData(visualPluginData, messageInfo->u.renderMessage.renderData);
    
   RenderVisualPort(visualPluginData, visualPluginData->destPort, &visualPluginData->destRect, false);
   break;
   
  /*
   Sent in response to an update event. The visual plugin should update
   into its remembered port. This will only be sent if the plugin has been
   previously given a ShowWindow message.
  */ 
  case kVisualPluginUpdateMessage:
   RenderVisualPort(visualPluginData, visualPluginData->destPort, &visualPluginData->destRect, true);
   break;
  
  /*
   Sent when the player starts.
  */
  case kVisualPluginPlayMessage:
   if (messageInfo->u.playMessage.trackInfo != nil)
    visualPluginData->trackInfo = *messageInfo->u.playMessage.trackInfo;
   else
    ClearMemory(&visualPluginData->trackInfo, sizeof(visualPluginData->trackInfo));

   if (messageInfo->u.playMessage.streamInfo != nil)
    visualPluginData->streamInfo = *messageInfo->u.playMessage.streamInfo;
   else
    ClearMemory(&visualPluginData->streamInfo, sizeof(visualPluginData->streamInfo));
  
   visualPluginData->playing = true;
   break;

  /*
   Sent when the player changes the current track information. This
   is used when the information about a track changes, or when the CD
   moves onto the next track. The visual plugin should update any displayed
   information about the currently playing song.
  */
  case kVisualPluginChangeTrackMessage:
   if (messageInfo->u.changeTrackMessage.trackInfo != nil)
    visualPluginData->trackInfo = *messageInfo->u.changeTrackMessage.trackInfo;
   else
    ClearMemory(&visualPluginData->trackInfo, sizeof(visualPluginData->trackInfo));

   if (messageInfo->u.changeTrackMessage.streamInfo != nil)
    visualPluginData->streamInfo = *messageInfo->u.changeTrackMessage.streamInfo;
   else
    ClearMemory(&visualPluginData->streamInfo, sizeof(visualPluginData->streamInfo));
   break;

  /*
   Sent when the player stops.
  */
  case kVisualPluginStopMessage:
   visualPluginData->playing = false;
   
   ResetRenderData(visualPluginData);

   RenderVisualPort(visualPluginData, visualPluginData->destPort, &visualPluginData->destRect, true);
   break;
  
  /*
   Sent when the player changes the track position.
  */
  case kVisualPluginSetPositionMessage:
   break;

  /*
   Sent when the player pauses. iTunes does not currently use pause or unpause.
   A pause in iTunes is handled by stopping and remembering the position.
  */
  case kVisualPluginPauseMessage:
   visualPluginData->playing = false;

   ResetRenderData(visualPluginData);

   RenderVisualPort(visualPluginData, visualPluginData->destPort, &visualPluginData->destRect, true);
   break;
   
  /*
   Sent when the player unpauses. iTunes does not currently use pause or unpause.
   A pause in iTunes is handled by stopping and remembering the position.
  */
  case kVisualPluginUnpauseMessage:
   visualPluginData->playing = true;
   break;
  
  /*
   Sent to the plugin in response to a MacOS event. The plugin should return noErr
   for any event it handles completely, or an error (unimpErr) if iTunes should handle it.
  */
  case kVisualPluginEventMessage:
   status = unimpErr;
   break;

  default:
   status = unimpErr;
   break;
 }

 return status; 
}


/*
 RegisterVisualPlugin
*/
static OSStatus RegisterVisualPlugin (PluginMessageInfo *messageInfo)
{
 OSStatus   status;
 PlayerMessageInfo playerMessageInfo;
  
 ClearMemory(&playerMessageInfo.u.registerVisualPluginMessage,sizeof(playerMessageInfo.u.registerVisualPluginMessage));
 
 // copy in name length byte first
 playerMessageInfo.u.registerVisualPluginMessage.name[0] = lstrlen(kSampleVisualPluginName);
 // now copy in actual name
 memcpy(&playerMessageInfo.u.registerVisualPluginMessage.name[1], kSampleVisualPluginName, lstrlen(kSampleVisualPluginName));

 SetNumVersion(&playerMessageInfo.u.registerVisualPluginMessage.pluginVersion, kSampleVisualPluginMajorVersion, kSampleVisualPluginMinorVersion, kSampleVisualPluginReleaseStage, kSampleVisualPluginNonFinalRelease);

 playerMessageInfo.u.registerVisualPluginMessage.options     = kVisualWantsIdleMessages | kVisualWantsConfigure;
 playerMessageInfo.u.registerVisualPluginMessage.handler     = VisualPluginHandler;
 playerMessageInfo.u.registerVisualPluginMessage.registerRefCon   = 0;
 playerMessageInfo.u.registerVisualPluginMessage.creator     = kSampleVisualPluginCreator;
 
 playerMessageInfo.u.registerVisualPluginMessage.timeBetweenDataInMS  = 0xFFFFFFFF; // 16 milliseconds = 1 Tick, 0xFFFFFFFF = Often as possible.
 playerMessageInfo.u.registerVisualPluginMessage.numWaveformChannels  = 2;
 playerMessageInfo.u.registerVisualPluginMessage.numSpectrumChannels  = 2;
 
 playerMessageInfo.u.registerVisualPluginMessage.minWidth    = 64;
 playerMessageInfo.u.registerVisualPluginMessage.minHeight    = 64;
 playerMessageInfo.u.registerVisualPluginMessage.maxWidth    = 32767;
 playerMessageInfo.u.registerVisualPluginMessage.maxHeight    = 32767;
 playerMessageInfo.u.registerVisualPluginMessage.minFullScreenBitDepth = 0;
 playerMessageInfo.u.registerVisualPluginMessage.maxFullScreenBitDepth = 0;
 playerMessageInfo.u.registerVisualPluginMessage.windowAlignmentInBytes = 0;
 
 status = PlayerRegisterVisualPlugin(messageInfo->u.initMessage.appCookie, messageInfo->u.initMessage.appProc,&playerMessageInfo);
  
 return status;
 
}


/*
 MAIN
*/
IMPEXP OSStatus MAIN (OSType message, PluginMessageInfo *messageInfo, void *refCon)
{
 OSStatus  status;
 
 (void) refCon;
 
 switch (message)
 {
  case kPluginInitMessage:
   status = RegisterVisualPlugin(messageInfo);
   break;
   
  case kPluginCleanupMessage:
   status = noErr;
   break;
   
  default:
   status = unimpErr;
   break;
 }
 
 return status;
}

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Pearson may provide personal information to a third party service provider on a restricted basis to provide marketing solely on behalf of Pearson or an affiliate or customer for whom Pearson is a service provider. Marketing preferences may be changed at any time.

Correcting/Updating Personal Information


If a user's personally identifiable information changes (such as your postal address or email address), we provide a way to correct or update that user's personal data provided to us. This can be done on the Account page. If a user no longer desires our service and desires to delete his or her account, please contact us at customer-service@informit.com and we will process the deletion of a user's account.

Choice/Opt-out


Users can always make an informed choice as to whether they should proceed with certain services offered by Adobe Press. If you choose to remove yourself from our mailing list(s) simply visit the following page and uncheck any communication you no longer want to receive: www.peachpit.com/u.aspx.

Sale of Personal Information


Pearson does not rent or sell personal information in exchange for any payment of money.

While Pearson does not sell personal information, as defined in Nevada law, Nevada residents may email a request for no sale of their personal information to NevadaDesignatedRequest@pearson.com.

Supplemental Privacy Statement for California Residents


California residents should read our Supplemental privacy statement for California residents in conjunction with this Privacy Notice. The Supplemental privacy statement for California residents explains Pearson's commitment to comply with California law and applies to personal information of California residents collected in connection with this site and the Services.

Sharing and Disclosure


Pearson may disclose personal information, as follows:

  • As required by law.
  • With the consent of the individual (or their parent, if the individual is a minor)
  • In response to a subpoena, court order or legal process, to the extent permitted or required by law
  • To protect the security and safety of individuals, data, assets and systems, consistent with applicable law
  • In connection the sale, joint venture or other transfer of some or all of its company or assets, subject to the provisions of this Privacy Notice
  • To investigate or address actual or suspected fraud or other illegal activities
  • To exercise its legal rights, including enforcement of the Terms of Use for this site or another contract
  • To affiliated Pearson companies and other companies and organizations who perform work for Pearson and are obligated to protect the privacy of personal information consistent with this Privacy Notice
  • To a school, organization, company or government agency, where Pearson collects or processes the personal information in a school setting or on behalf of such organization, company or government agency.

Links


This web site contains links to other sites. Please be aware that we are not responsible for the privacy practices of such other sites. We encourage our users to be aware when they leave our site and to read the privacy statements of each and every web site that collects Personal Information. This privacy statement applies solely to information collected by this web site.

Requests and Contact


Please contact us about this Privacy Notice or if you have any requests or questions relating to the privacy of your personal information.

Changes to this Privacy Notice


We may revise this Privacy Notice through an updated posting. We will identify the effective date of the revision in the posting. Often, updates are made to provide greater clarity or to comply with changes in regulatory requirements. If the updates involve material changes to the collection, protection, use or disclosure of Personal Information, Pearson will provide notice of the change through a conspicuous notice on this site or other appropriate way. Continued use of the site after the effective date of a posted revision evidences acceptance. Please contact us if you have questions or concerns about the Privacy Notice or any objection to any revisions.

Last Update: November 17, 2020