/*****************************************************************************/
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// Copyright 2006 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_filter_task.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_filter_task.h"
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#include "dng_bottlenecks.h"
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#include "dng_exceptions.h"
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#include "dng_image.h"
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#include "dng_memory.h"
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#include "dng_tag_types.h"
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#include "dng_tag_values.h"
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#include "dng_utils.h"
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/*****************************************************************************/
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dng_filter_task::dng_filter_task (const dng_image &srcImage,
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dng_image &dstImage)
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: fSrcImage (srcImage)
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, fDstImage (dstImage)
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, fSrcPlane (0 )
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, fSrcPlanes (srcImage.Planes ())
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, fSrcPixelType (srcImage.PixelType ())
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, fDstPlane (0 )
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, fDstPlanes (dstImage.Planes ())
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, fDstPixelType (dstImage.PixelType ())
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, fSrcRepeat (1, 1)
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, fSrcTileSize (0, 0)
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{
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}
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/*****************************************************************************/
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dng_filter_task::~dng_filter_task ()
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{
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}
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/*****************************************************************************/
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void dng_filter_task::Start (uint32 threadCount,
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const dng_point &tileSize,
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dng_memory_allocator *allocator,
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dng_abort_sniffer * /* sniffer */)
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{
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fSrcTileSize = SrcTileSize (tileSize);
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uint32 srcBufferSize = ComputeBufferSize(fSrcPixelType, fSrcTileSize,
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fSrcPlanes, pad16Bytes);
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uint32 dstBufferSize = ComputeBufferSize(fDstPixelType, tileSize,
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fDstPlanes, pad16Bytes);
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for (uint32 threadIndex = 0; threadIndex < threadCount; threadIndex++)
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{
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fSrcBuffer [threadIndex] . Reset (allocator->Allocate (srcBufferSize));
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fDstBuffer [threadIndex] . Reset (allocator->Allocate (dstBufferSize));
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// Zero buffers so any pad bytes have defined values.
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DoZeroBytes (fSrcBuffer [threadIndex]->Buffer (),
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fSrcBuffer [threadIndex]->LogicalSize ());
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DoZeroBytes (fDstBuffer [threadIndex]->Buffer (),
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fDstBuffer [threadIndex]->LogicalSize ());
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}
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}
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/*****************************************************************************/
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void dng_filter_task::Process (uint32 threadIndex,
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const dng_rect &area,
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dng_abort_sniffer * /* sniffer */)
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{
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// Find source area for this destination area.
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dng_rect srcArea = SrcArea (area);
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int32 src_area_w;
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int32 src_area_h;
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if (!ConvertUint32ToInt32 (srcArea.W (), &src_area_w) || !ConvertUint32ToInt32 (srcArea.H (), &src_area_h) || src_area_w > fSrcTileSize.h || src_area_h > fSrcTileSize.v)
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{
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ThrowMemoryFull("Area exceeds tile size.");
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}
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// Setup srcBuffer.
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dng_pixel_buffer srcBuffer(srcArea, fSrcPlane, fSrcPlanes, fSrcPixelType,
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pcRowInterleavedAlign16,
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fSrcBuffer [threadIndex]->Buffer ());
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// Setup dstBuffer.
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dng_pixel_buffer dstBuffer(area, fDstPlane, fDstPlanes, fDstPixelType,
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pcRowInterleavedAlign16,
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fDstBuffer [threadIndex]->Buffer ());
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// Get source pixels.
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fSrcImage.Get (srcBuffer,
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dng_image::edge_repeat,
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fSrcRepeat.v,
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fSrcRepeat.h);
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// Process area.
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ProcessArea (threadIndex,
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srcBuffer,
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dstBuffer);
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// Save result pixels.
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fDstImage.Put (dstBuffer);
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}
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/*****************************************************************************/
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