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/*****************************************************************************/
// Copyright 2006-2008 Adobe Systems Incorporated
// All Rights Reserved.
//
// NOTICE: Adobe permits you to use, modify, and distribute this file in
// accordance with the terms of the Adobe license agreement accompanying it.
/*****************************************************************************/
/* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_simple_image.cpp#1 $ */
/* $DateTime: 2012/05/30 13:28:51 $ */
/* $Change: 832332 $ */
/* $Author: tknoll $ */
/*****************************************************************************/
#include "dng_simple_image.h"
#include "dng_memory.h"
#include "dng_orientation.h"
#include "dng_tag_types.h"
/*****************************************************************************/
dng_simple_image::dng_simple_image (const dng_rect &bounds,
uint32 planes,
uint32 pixelType,
dng_memory_allocator &allocator)
: dng_image (bounds,
planes,
pixelType)
, fMemory ()
, fBuffer ()
, fAllocator (allocator)
{
uint32 pixelSize = TagTypeSize (pixelType);
uint32 bytes = bounds.H () * bounds.W () * planes * pixelSize;
fMemory.Reset (allocator.Allocate (bytes));
fBuffer.fArea = bounds;
fBuffer.fPlane = 0;
fBuffer.fPlanes = planes;
fBuffer.fRowStep = planes * bounds.W ();
fBuffer.fColStep = planes;
fBuffer.fPlaneStep = 1;
fBuffer.fPixelType = pixelType;
fBuffer.fPixelSize = pixelSize;
fBuffer.fData = fMemory->Buffer ();
}
/*****************************************************************************/
dng_simple_image::~dng_simple_image ()
{
}
/*****************************************************************************/
dng_image * dng_simple_image::Clone () const
{
AutoPtr<dng_simple_image> result (new dng_simple_image (Bounds (),
Planes (),
PixelType (),
fAllocator));
result->fBuffer.CopyArea (fBuffer,
Bounds (),
0,
Planes ());
return result.Release ();
}
/*****************************************************************************/
void dng_simple_image::SetPixelType (uint32 pixelType)
{
dng_image::SetPixelType (pixelType);
fBuffer.fPixelType = pixelType;
}
/*****************************************************************************/
void dng_simple_image::Trim (const dng_rect &r)
{
fBounds.t = 0;
fBounds.l = 0;
fBounds.b = r.H ();
fBounds.r = r.W ();
fBuffer.fData = fBuffer.DirtyPixel (r.t, r.l);
fBuffer.fArea = fBounds;
}
/*****************************************************************************/
void dng_simple_image::Rotate (const dng_orientation &orientation)
{
int32 originH = fBounds.l;
int32 originV = fBounds.t;
int32 colStep = fBuffer.fColStep;
int32 rowStep = fBuffer.fRowStep;
uint32 width = fBounds.W ();
uint32 height = fBounds.H ();
if (orientation.FlipH ())
{
originH += width - 1;
colStep = -colStep;
}
if (orientation.FlipV ())
{
originV += height - 1;
rowStep = -rowStep;
}
if (orientation.FlipD ())
{
int32 temp = colStep;
colStep = rowStep;
rowStep = temp;
width = fBounds.H ();
height = fBounds.W ();
}
fBuffer.fData = fBuffer.DirtyPixel (originV, originH);
fBuffer.fColStep = colStep;
fBuffer.fRowStep = rowStep;
fBounds.r = fBounds.l + width;
fBounds.b = fBounds.t + height;
fBuffer.fArea = fBounds;
}
/*****************************************************************************/
void dng_simple_image::AcquireTileBuffer (dng_tile_buffer &buffer,
const dng_rect &area,
bool dirty) const
{
buffer.fArea = area;
buffer.fPlane = fBuffer.fPlane;
buffer.fPlanes = fBuffer.fPlanes;
buffer.fRowStep = fBuffer.fRowStep;
buffer.fColStep = fBuffer.fColStep;
buffer.fPlaneStep = fBuffer.fPlaneStep;
buffer.fPixelType = fBuffer.fPixelType;
buffer.fPixelSize = fBuffer.fPixelSize;
buffer.fData = (void *) fBuffer.ConstPixel (buffer.fArea.t,
buffer.fArea.l,
buffer.fPlane);
buffer.fDirty = dirty;
}
/*****************************************************************************/
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