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// CTransformPane

#include "CTransformPane.h"

#include <LProgressBar.h>

#if __VEC__

#include "vWavelet_int.h"

#endif

#include "sWavelet_int.h"

#define WAVELET_32_DEPTH        3

#define DO_TT6_TRACE            0

#define SAVE_WAVELET            0

#define REPORT_Y_MSE            0

#define TIME_BURT               1

#define BURT_LOOPS              100

#define BURT_DEPTH              3

#define SHOW_U_TRANSORMS        0

#define SHOW_Y_TRANSORMS        0

#define REPORT_BURT_MSE         0

#if DO_TT6_TRACE

#include "pitsTT6libv.h"

#endif

//////////////////////////////////////////////////////////////////////////////////////////

//  Quantize routine adjusts 16-bit wavelet data so that its appearance makes more

// sense for display.  It adjusts min and max based on quadrants for wavelet data of

// a certain depth.  Values are also clamped to [0, 255], with a signed value of 0 being

// mapped to an unsigned (middle-gray) value of 128.

//////////////////////////////////////////////////////////////////////////////////////////

static void Quantize(short *p, unsigned long x, unsigned long y, long rowshorts, short depth)

{

    long        leftbound;

    long        rightbound;

    long        topbound;

    long        bottombound;

    long        min,max;

    long        xindex, yindex;

    short       *pCurrent;

    long        currentAdjusted;

    long        scale;

    if (depth) {

        ////////////////////////////////////////////////////////////

        leftbound = x/2;

        rightbound = x;

        topbound = 0;

        bottombound = y/2;

        min = 0;

        max = 0;

        for (yindex = topbound; yindex < bottombound; yindex++) {

            pCurrent = p + (yindex * rowshorts) + (leftbound * 4);

            for (xindex = leftbound*4; xindex < rightbound*4; xindex++) {

                if (*pCurrent < min) min = *pCurrent;

                if (*pCurrent > max) max = *pCurrent;

                pCurrent++;

            }

        }

        scale = max;

        if (-min > scale) scale = -min;

        for (yindex = topbound; yindex < bottombound; yindex++) {

            pCurrent = p + (yindex * rowshorts) + (leftbound * 4);

            for (xindex = leftbound*4; xindex < rightbound*4; xindex++) {

                currentAdjusted = *pCurrent * 128;

                currentAdjusted /= scale;

                *pCurrent = 66 - currentAdjusted;

                pCurrent++;

            }

        }

        ////////////////////////////////////////////////////////////

        leftbound = x/2;

        rightbound = x;

        topbound = y/2;

        bottombound = y;

        min = 0;

        max = 0;

        for (yindex = topbound; yindex < bottombound; yindex++) {

            pCurrent = p + (yindex * rowshorts) + (leftbound * 4);

            for (xindex = leftbound*4; xindex < rightbound*4; xindex++) {

                if (*pCurrent < min) min = *pCurrent;

                if (*pCurrent > max) max = *pCurrent;

                pCurrent++;

            }

        }

        scale = max;

        if (-min > scale) scale = -min;

        for (yindex = topbound; yindex < bottombound; yindex++) {

            pCurrent = p + (yindex * rowshorts) + (leftbound * 4);

            for (xindex = leftbound*4; xindex < rightbound*4; xindex++) {

                currentAdjusted = *pCurrent * 128;

                currentAdjusted /= scale;

                *pCurrent = 66 - currentAdjusted;

                pCurrent++;

            }

        }

        ////////////////////////////////////////////////////////////

        leftbound = 0;

        rightbound = x/2;

        topbound = y/2;

        bottombound = y;

        min = 0;

        max = 0;

        for (yindex = topbound; yindex < bottombound; yindex++) {

            pCurrent = p + (yindex * rowshorts) + (leftbound * 4);

            for (xindex = leftbound*4; xindex < rightbound*4; xindex++) {

                if (*pCurrent < min) min = *pCurrent;

                if (*pCurrent > max) max = *pCurrent;

                pCurrent++;

            }

        }

        scale = max;

        if (-min > scale) scale = -min;

        for (yindex = topbound; yindex < bottombound; yindex++) {

            pCurrent = p + (yindex * rowshorts) + (leftbound * 4);

            for (xindex = leftbound*4; xindex < rightbound*4; xindex++) {

                currentAdjusted = *pCurrent * 128;

                currentAdjusted /= scale;

                *pCurrent = 66 - currentAdjusted;

                pCurrent++;

            }

        }

        //////////////////////////////////////////////////////////////

        Quantize(p, x/2, y/2, rowshorts, depth-1);

    } else {

        leftbound = 0;

        rightbound = x;

        topbound = 0;

        bottombound = y;

        min = 0;

        max = 0;

        for (yindex = topbound; yindex < bottombound; yindex++) {

            pCurrent = p + (yindex * rowshorts) + (leftbound * 4);

            for (xindex = leftbound*4; xindex < rightbound*4; xindex++) {

                *pCurrent = *pCurrent / 64;

                pCurrent++;

            }

        }

    }

}

static void Pack16To8(  signed short    *pSrc,

                    unsigned char *pDest,

                    unsigned long   length)

{

    signed short        element;

    int                 i;

    for (i = 0; i<length; i++) {

        element = *pSrc++;

        *pDest++ = element; 

    }

}                       

#pragma mark -

//////////////////////////////////////////////

// NewWindowWithData

// Creates a new window with a CCopyBitsPane

// that uses the specified pixmap with pixel

// data stored in data handle.

//////////////////////////////////////////////

LWindow *CTransformPane::NewWindowWithData(const PixMap &pmap, Handle data)

{

    long        width = pmap.bounds.right-pmap.bounds.left;

    long        height = pmap.bounds.bottom-pmap.bounds.top;

    LWindow     *pWin = PP_PowerPlant::LWindow::CreateWindow(129, LCommander::GetTopCommander());

    ThrowIfNil_(pWin);

    CCopyBitsPane* pBitsPane = dynamic_cast<CCopyBitsPane*>(pWin->FindPaneByID('BMap'));

    FailNIL_(pBitsPane);

    pBitsPane->SetPixelData(pmap, data, mPaddedX, mPaddedY);

    LCommander::SwitchTarget(pBitsPane);

    pWin->ResizeWindowTo(width, height);

    // LWindow is not initially visible in PPob resource

    pWin->Show();

    // force a draw

    pWin->UpdatePort();

    return pWin;

}

CTransformPane::CTransformPane( LStream         *inStream)

:CCopyBitsPane(inStream)

{

}

CTransformPane::~CTransformPane()

{

}   

void

CTransformPane::FindCommandStatus(

    CommandT    inCommand,

    Boolean     &outEnabled,

    Boolean     &outUsesMark,

    Char16      &outMark,

    Str255      outName)

{

    switch (inCommand) {

        case cmd_WaveletTransform:

            outEnabled = true;

            break;

        default:

            LCommander::FindCommandStatus(inCommand, outEnabled,

                                    outUsesMark, outMark, outName);

            break;

    }

}

void 

CTransformPane::DoTransform()

{           

    StHandleLocker  lockBits(mBitsData);

    LWindow         *pCreatedWindow;

    long            width = mPaddedX;

    long            height = mPaddedY;

    StHandleBlock   tempBlock(width*height*4*sizeof(short));

    StHandleBlock   transformBlock(width*height*4*sizeof(short));

    StHandleBlock   recoveredBlock(width*height*4*sizeof(char));

    StHandleLocker  lockTemp(tempBlock);

    StHandleLocker  lockTransform(transformBlock);

    long            tickstart = TickCount();

#if __VEC__     

    // perform forward vector wavelet 

    vFWVT_4_Quad16_2DInt((long *)*mBitsData.Get(),

                    (long*)*transformBlock.Get(),

                    (long*)*tempBlock.Get(),

                    width,

                    height,

                    width,

                    WAVELET_32_DEPTH);

#else

    // perform forward scalar wavelet 

    sFWVT_4_Quad16_2DInt((short *)*mBitsData.Get(),

                    (short*)*transformBlock.Get(),

                    (short*)*tempBlock.Get(),

                    width,

                    height,

                    width,

                    WAVELET_32_DEPTH);

#endif

    Handle      copiedHandle = transformBlock.Get();

    FailOSErr_(HandToHand(&copiedHandle));

    StHandleBlock       adjustedWaveBlock(copiedHandle);

    {

        StHandleLocker      lock(adjustedWaveBlock);

        Quantize((short*)*adjustedWaveBlock.Get(), width, height, width*4, WAVELET_32_DEPTH);

    }

    Pack16To8((short*)*adjustedWaveBlock.Get(), (unsigned char*)*adjustedWaveBlock.Get(), ::GetHandleSize(adjustedWaveBlock)/2);

    ::SetHandleSize(adjustedWaveBlock, ::GetHandleSize(adjustedWaveBlock)/2);

    pCreatedWindow = NewWindowWithData(mPixMap, adjustedWaveBlock);     

    pCreatedWindow->SetDescriptor("\pWavelet Transform Data");

    adjustedWaveBlock.Release();

    ////////////////////////////////

    // now do inverse wavelet and

    // display result

    ////////////////////////////////

#if __VEC__     

    // perform forward vector wavelet 

    vIFWVT_4_Quad16_2DInt((long *)*transformBlock.Get(),

                    (long*)*recoveredBlock.Get(),

                    (long*)*tempBlock.Get(),

                    width,

                    height,

                    width,

                    WAVELET_32_DEPTH);

#else

    // perform forward scalar wavelet 

    sIFWVT_4_Quad16_2DInt((short *)*transformBlock.Get(),

                    (short*)*recoveredBlock.Get(),

                    (short*)*tempBlock.Get(),

                    width,

                    height,

                    width,

                    WAVELET_32_DEPTH);

#endif

    pCreatedWindow = NewWindowWithData(mPixMap, recoveredBlock);

    pCreatedWindow->SetDescriptor("\pRecovered Image");

    recoveredBlock.Release();       

}

Boolean

CTransformPane::ObeyCommand(

    CommandT    inCommand,

    void*       ioParam)

{

    Boolean cmdHandled = false;

    switch (inCommand) {

        case cmd_WaveletTransform:

            DoTransform();

            cmdHandled = true;

            break;

        default:

            cmdHandled = LCommander::ObeyCommand(inCommand, ioParam);

            break;

    }

    return cmdHandled;

}