| /*****************************************************************************/ |
| // Copyright 2006 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_filter_task.cpp#1 $ */ |
| /* $DateTime: 2012/05/30 13:28:51 $ */ |
| /* $Change: 832332 $ */ |
| /* $Author: tknoll $ */ |
| |
| /*****************************************************************************/ |
| |
| #include "dng_filter_task.h" |
| |
| #include "dng_bottlenecks.h" |
| #include "dng_exceptions.h" |
| #include "dng_image.h" |
| #include "dng_memory.h" |
| #include "dng_tag_types.h" |
| #include "dng_tag_values.h" |
| #include "dng_utils.h" |
| |
| /*****************************************************************************/ |
| |
| dng_filter_task::dng_filter_task (const dng_image &srcImage, |
| dng_image &dstImage) |
| |
| : fSrcImage (srcImage) |
| , fDstImage (dstImage) |
| |
| , fSrcPlane (0 ) |
| , fSrcPlanes (srcImage.Planes ()) |
| , fSrcPixelType (srcImage.PixelType ()) |
| |
| , fDstPlane (0 ) |
| , fDstPlanes (dstImage.Planes ()) |
| , fDstPixelType (dstImage.PixelType ()) |
| |
| , fSrcRepeat (1, 1) |
| , fSrcTileSize (0, 0) |
| |
| { |
| |
| } |
| |
| /*****************************************************************************/ |
| |
| dng_filter_task::~dng_filter_task () |
| { |
| |
| } |
| |
| /*****************************************************************************/ |
| |
| void dng_filter_task::Start (uint32 threadCount, |
| const dng_point &tileSize, |
| dng_memory_allocator *allocator, |
| dng_abort_sniffer * /* sniffer */) |
| { |
| |
| fSrcTileSize = SrcTileSize (tileSize); |
| |
| uint32 srcBufferSize = ComputeBufferSize(fSrcPixelType, fSrcTileSize, |
| fSrcPlanes, pad16Bytes); |
| uint32 dstBufferSize = ComputeBufferSize(fDstPixelType, tileSize, |
| fDstPlanes, pad16Bytes); |
| |
| for (uint32 threadIndex = 0; threadIndex < threadCount; threadIndex++) |
| { |
| |
| fSrcBuffer [threadIndex] . Reset (allocator->Allocate (srcBufferSize)); |
| |
| fDstBuffer [threadIndex] . Reset (allocator->Allocate (dstBufferSize)); |
| |
| // Zero buffers so any pad bytes have defined values. |
| |
| DoZeroBytes (fSrcBuffer [threadIndex]->Buffer (), |
| fSrcBuffer [threadIndex]->LogicalSize ()); |
| |
| DoZeroBytes (fDstBuffer [threadIndex]->Buffer (), |
| fDstBuffer [threadIndex]->LogicalSize ()); |
| |
| } |
| |
| } |
| |
| /*****************************************************************************/ |
| |
| void dng_filter_task::Process (uint32 threadIndex, |
| const dng_rect &area, |
| dng_abort_sniffer * /* sniffer */) |
| { |
| |
| // Find source area for this destination area. |
| |
| dng_rect srcArea = SrcArea (area); |
| |
| int32 src_area_w; |
| int32 src_area_h; |
| if (!ConvertUint32ToInt32 (srcArea.W (), &src_area_w) || !ConvertUint32ToInt32 (srcArea.H (), &src_area_h) || src_area_w > fSrcTileSize.h || src_area_h > fSrcTileSize.v) |
| { |
| |
| ThrowMemoryFull("Area exceeds tile size."); |
| |
| } |
| |
| // Setup srcBuffer. |
| |
| dng_pixel_buffer srcBuffer(srcArea, fSrcPlane, fSrcPlanes, fSrcPixelType, |
| pcRowInterleavedAlign16, |
| fSrcBuffer [threadIndex]->Buffer ()); |
| |
| // Setup dstBuffer. |
| |
| dng_pixel_buffer dstBuffer(area, fDstPlane, fDstPlanes, fDstPixelType, |
| pcRowInterleavedAlign16, |
| fDstBuffer [threadIndex]->Buffer ()); |
| |
| // Get source pixels. |
| |
| fSrcImage.Get (srcBuffer, |
| dng_image::edge_repeat, |
| fSrcRepeat.v, |
| fSrcRepeat.h); |
| |
| // Process area. |
| |
| ProcessArea (threadIndex, |
| srcBuffer, |
| dstBuffer); |
| |
| // Save result pixels. |
| |
| fDstImage.Put (dstBuffer); |
| |
| } |
| |
| /*****************************************************************************/ |