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185 lines
4.1 KiB
185 lines
4.1 KiB
/*****************************************************************************/ |
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// Copyright 2006-2008 Adobe Systems Incorporated |
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// All Rights Reserved. |
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// |
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// NOTICE: Adobe permits you to use, modify, and distribute this file in |
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// accordance with the terms of the Adobe license agreement accompanying it. |
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/*****************************************************************************/ |
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/* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_simple_image.cpp#1 $ */ |
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/* $DateTime: 2012/05/30 13:28:51 $ */ |
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/* $Change: 832332 $ */ |
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/* $Author: tknoll $ */ |
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/*****************************************************************************/ |
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#include "dng_simple_image.h" |
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#include "dng_memory.h" |
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#include "dng_orientation.h" |
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#include "dng_tag_types.h" |
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#include "dng_tag_values.h" |
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/*****************************************************************************/ |
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dng_simple_image::dng_simple_image (const dng_rect &bounds, |
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uint32 planes, |
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uint32 pixelType, |
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dng_memory_allocator &allocator) |
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: dng_image (bounds, |
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planes, |
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pixelType) |
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, fMemory () |
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, fAllocator (allocator) |
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{ |
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uint32 bytes = |
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ComputeBufferSize (pixelType, bounds.Size (), planes, pad16Bytes); |
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fMemory.Reset (allocator.Allocate (bytes)); |
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fBuffer = dng_pixel_buffer (bounds, 0, planes, pixelType, pcInterleaved, fMemory->Buffer ()); |
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} |
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/*****************************************************************************/ |
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dng_simple_image::~dng_simple_image () |
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{ |
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} |
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/*****************************************************************************/ |
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dng_image * dng_simple_image::Clone () const |
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{ |
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AutoPtr<dng_simple_image> result (new dng_simple_image (Bounds (), |
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Planes (), |
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PixelType (), |
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fAllocator)); |
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result->fBuffer.CopyArea (fBuffer, |
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Bounds (), |
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0, |
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Planes ()); |
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return result.Release (); |
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} |
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/*****************************************************************************/ |
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void dng_simple_image::SetPixelType (uint32 pixelType) |
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{ |
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dng_image::SetPixelType (pixelType); |
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fBuffer.fPixelType = pixelType; |
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} |
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/*****************************************************************************/ |
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void dng_simple_image::Trim (const dng_rect &r) |
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{ |
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fBounds.t = 0; |
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fBounds.l = 0; |
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fBounds.b = r.H (); |
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fBounds.r = r.W (); |
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fBuffer.fData = fBuffer.DirtyPixel (r.t, r.l); |
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fBuffer.fArea = fBounds; |
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} |
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/*****************************************************************************/ |
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void dng_simple_image::Rotate (const dng_orientation &orientation) |
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{ |
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int32 originH = fBounds.l; |
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int32 originV = fBounds.t; |
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int32 colStep = fBuffer.fColStep; |
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int32 rowStep = fBuffer.fRowStep; |
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uint32 width = fBounds.W (); |
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uint32 height = fBounds.H (); |
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if (orientation.FlipH ()) |
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{ |
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originH += width - 1; |
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colStep = -colStep; |
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} |
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if (orientation.FlipV ()) |
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{ |
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originV += height - 1; |
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rowStep = -rowStep; |
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} |
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if (orientation.FlipD ()) |
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{ |
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int32 temp = colStep; |
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colStep = rowStep; |
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rowStep = temp; |
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width = fBounds.H (); |
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height = fBounds.W (); |
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} |
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fBuffer.fData = fBuffer.DirtyPixel (originV, originH); |
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fBuffer.fColStep = colStep; |
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fBuffer.fRowStep = rowStep; |
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fBounds.r = fBounds.l + width; |
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fBounds.b = fBounds.t + height; |
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fBuffer.fArea = fBounds; |
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} |
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/*****************************************************************************/ |
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void dng_simple_image::AcquireTileBuffer (dng_tile_buffer &buffer, |
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const dng_rect &area, |
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bool dirty) const |
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{ |
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buffer.fArea = area; |
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buffer.fPlane = fBuffer.fPlane; |
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buffer.fPlanes = fBuffer.fPlanes; |
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buffer.fRowStep = fBuffer.fRowStep; |
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buffer.fColStep = fBuffer.fColStep; |
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buffer.fPlaneStep = fBuffer.fPlaneStep; |
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buffer.fPixelType = fBuffer.fPixelType; |
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buffer.fPixelSize = fBuffer.fPixelSize; |
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buffer.fData = (void *) fBuffer.ConstPixel (buffer.fArea.t, |
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buffer.fArea.l, |
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buffer.fPlane); |
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buffer.fDirty = dirty; |
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} |
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/*****************************************************************************/ |
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