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/*
* camdata.c
* basecame
*
* Created by CS194 on Mon Apr 26 2004.
* Copyright (c) 2004 __MyCompanyName__. All rights reserved.
*
*/
#include "camdata.h"
//#include "AppBlit_Component.h"
#include "QTUtilities.h"
#include "Utilities.h"
#define BailNULL(n) if (!n) goto bail;
#define BailError(n) if (n) goto bail;
#define BailNil(n) if (!n) goto bail;
#define BailErr(x) {if (x != noErr) goto bail;}
#define bitdepth 32
mungDataPtr myMungData = NULL;
long mWorlds[20];
UInt32 mRedCount[256], mGreenCound[256], mBlueCount[256];
static void DecompressSequencePreflight(GWorldPtr srcGWorld,
ImageSequence *imageSeq,
GWorldPtr destGWorld,
Rect *srcRect);
//static void DrawRGBHistogram(mungDataRecord *theMungData);
//static void CreateEffectDescription(mungDataRecord *theMungData);
//static void CreateEffectDecompSequence(mungDataRecord *theMungData);
//static void AddGWorldDataSourceToEffectDecompSeq(mungDataRecord *theMungData);
//static void MakeEffectTimeBaseForEffect(mungDataRecord *theMungData);
//static void DrawUsingEffect(mungDataRecord *theMungData);
OSErr InitializeMungData(Rect bounds)
{
OSErr err = noErr;
if(myMungData)
{
DisposeMungData();
}
myMungData = (mungDataPtr)NewPtrClear(sizeof(mungDataRecord));
if (myMungData == nil)
{
err = MemError();
goto bail;
}
myMungData->effect = 0; // always
BailErr(QTNewGWorld(&(myMungData->gw),bitdepth,&bounds,0,0,0));
LockPixels(GetGWorldPixMap(myMungData->gw));
SetMungDataColorDefaults();
myMungData->selectedIndex = 0;
myMungData->overlay = NULL;
SetCurrentClamp(-1);
myMungData->bounds = bounds;
SetRect(&bounds, 0, 0, 256*2+4, 128*3 + 20);
BailErr(QTNewGWorld(&(myMungData->histoWorld),bitdepth,&bounds,0,0,0));
LockPixels(GetGWorldPixMap(myMungData->histoWorld));
bail:
return err;
}
OSErr DisposeMungData(void)
{ // check this out
OSErr err = noErr;
if(myMungData)
{
//if(myMungData->drawSeq)
//{
// CDSequenceEnd(myMungData->drawSeq);
//}
if(myMungData->gw)
{
DisposeGWorld(myMungData->gw);
myMungData->gw = nil;
}
if(myMungData->overlay)
{
DisposeGWorld(myMungData->overlay);
myMungData->overlay = nil;
}
if(myMungData->histoWorld)
{
DisposeGWorld(myMungData->histoWorld);
myMungData->histoWorld = nil;
}
if (myMungData->effectTimeBase)
{
DisposeTimeBase(myMungData->effectTimeBase);
}
if (myMungData->effectParams)
{
QTDisposeAtomContainer(myMungData->effectParams);
}
if (myMungData->effectDesc)
{
DisposeHandle((Handle)myMungData->effectDesc);
}
DisposePtr((Ptr)myMungData);
myMungData = nil;
}
return err;
}
static void DecompressSequencePreflight(GWorldPtr srcGWorld,
ImageSequence *imageSeq,
GWorldPtr destGWorld,
Rect *srcRect)
// might not need this one
{
ImageDescriptionHandle imageDesc = nil;
BailErr(MakeImageDescriptionForPixMap (GetGWorldPixMap(srcGWorld), &imageDesc));
// use our built-in decompressor to draw
// (**imageDesc).cType = kCustomDecompressorType;
// *********** MIGHT BE MAKING A BIG MISTAKE ******************
// pass a compressed sample so a codec can perform preflighting before the first DecompressSequenceFrameWhen call
BailErr(DecompressSequenceBegin(imageSeq,
imageDesc,
destGWorld,
0,
srcRect,
nil,
srcCopy,
nil,
0,
codecNormalQuality,
bestSpeedCodec));
bail:
if (imageDesc)
{
DisposeHandle((Handle)imageDesc);
}
}
ImageSequence GetMungDataDrawSeq()
{
return myMungData->drawSeq;
}
void SetMungDataColorDefaults()
{
if(myMungData)
{
myMungData->redMin = 2;
myMungData->redMax = 254;
myMungData->greenMin = 2;
myMungData->greenMax = 254;
myMungData->blueMin = 2;
myMungData->blueMax = 254;
}
}
void GetMungDataBoundsRect(Rect *boundsRect)
// might not need this one
{
MacSetRect (boundsRect,
myMungData->bounds.left,
myMungData->bounds.top,
myMungData->bounds.right,
myMungData->bounds.bottom
);
}
void SetCurrentClamp(short index) // :crazy:20040426
{
myMungData->selectedIndex = index;
}
GWorldPtr GetMungDataOffscreen()
{
return (myMungData->gw);
}
void SetMungDataDrawSeq(ImageSequence theDrawSeq)
{
myMungData->drawSeq = theDrawSeq;
}
CGrafPtr GetMungDataWindowPort()
{
return GetWindowPort(myMungData->window);
}
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