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740 lines
15 KiB
740 lines
15 KiB
/*****************************************************************************/
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// Copyright 2006-2012 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_utils.cpp#3 $ */
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/* $DateTime: 2012/08/12 15:38:38 $ */
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/* $Change: 842799 $ */
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/* $Author: tknoll $ */
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/*****************************************************************************/
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#include "dng_utils.h"
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#include "dng_area_task.h"
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#include "dng_assertions.h"
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#include "dng_bottlenecks.h"
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#include "dng_exceptions.h"
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#include "dng_host.h"
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#include "dng_image.h"
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#include "dng_flags.h"
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#include "dng_point.h"
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#include "dng_rect.h"
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#include "dng_safe_arithmetic.h"
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#include "dng_tag_types.h"
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#include "dng_tile_iterator.h"
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#if qMacOS
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#include <TargetConditionals.h>
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#if TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
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#include <MobileCoreServices/MobileCoreServices.h>
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#else
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#include <CoreServices/CoreServices.h>
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#endif // TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
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#endif // qMacOS
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#if qiPhone || qMacOS
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// these provide timers
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#include <mach/mach.h>
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#include <mach/mach_time.h>
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#endif
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#if qWinOS
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#include <windows.h>
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#else
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#include <sys/time.h>
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#include <stdarg.h> // for va_start/va_end
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#endif
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/*****************************************************************************/
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#if qDNGDebug
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/*****************************************************************************/
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#if qMacOS
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#define DNG_DEBUG_BREAK __asm__ volatile ("int3")
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#elif qWinOS
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#if qDNG64Bit
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// no inline assembly on Win 64-bit, so use DebugBreak
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#define DNG_DEBUG_BREAK DebugBreak()
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#else
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#define DNG_DEBUG_BREAK __asm__ volatile ("int3")
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#endif
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#elif qiPhone
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// simulator is running on Intel
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#if qiPhoneSimulator
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#define DNG_DEBUG_BREAK __asm__ volatile ("int3")
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#else
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// The debugger doesn't restore program counter after this is called.
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// Caller must move program counter past line to continue.
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// As of iOS5/xCode 4.2, recovery may not be possible.
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#define DNG_DEBUG_BREAK __asm__ volatile ("bkpt 1")
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#endif
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#elif qAndroid
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#define DNG_DEBUG_BREAK __asm__ volatile ("bkpt 1")
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#elif qLinux
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#define DNG_DEBUG_BREAK __asm__ volatile ("int3")
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#else
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#define DNG_DEBUG_BREAK
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#endif
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/*****************************************************************************/
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bool gPrintAsserts = true;
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bool gBreakOnAsserts = true;
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/*****************************************************************************/
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void dng_show_message (const char *s)
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{
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#if qDNGPrintMessages
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// display the message
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if (gPrintAsserts)
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fprintf (stderr, "%s\n", s);
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#elif qiPhone || qAndroid || qLinux
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if (gPrintAsserts)
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fprintf (stderr, "%s\n", s);
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// iOS doesn't print a message to the console like DebugStr and MessageBox do, so we have to do both
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// You'll have to advance the program counter manually past this statement
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if (gBreakOnAsserts)
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DNG_DEBUG_BREAK;
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#elif qMacOS
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if (gBreakOnAsserts)
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{
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// truncate the to 255 chars
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char ss [256];
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uint32 len = strlen (s);
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if (len > 255)
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len = 255;
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strncpy (&(ss [1]), s, len );
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ss [0] = (unsigned char) len;
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DebugStr ((unsigned char *) ss);
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}
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else if (gPrintAsserts)
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{
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fprintf (stderr, "%s\n", s);
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}
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#elif qWinOS
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// display a dialog
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// This is not thread safe. Multiple message boxes can be launched.
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// Should also be launched in its own thread so main msg queue isn't thrown off.
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if (gBreakOnAsserts)
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MessageBoxA (NULL, (LPSTR) s, NULL, MB_OK);
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else if (gPrintAsserts)
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fprintf (stderr, "%s\n", s);
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#endif
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}
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/*****************************************************************************/
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void dng_show_message_f (const char *fmt, ... )
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{
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char buffer [1024];
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va_list ap;
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va_start (ap, fmt);
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vsnprintf (buffer, sizeof (buffer), fmt, ap);
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va_end (ap);
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dng_show_message (buffer);
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}
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/*****************************************************************************/
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#endif
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/*****************************************************************************/
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uint32 ComputeBufferSize(uint32 pixelType, const dng_point &tileSize,
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uint32 numPlanes, PaddingType paddingType)
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{
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// Convert tile size to uint32.
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if (tileSize.h < 0 || tileSize.v < 0)
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{
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ThrowMemoryFull("Negative tile size");
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}
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const uint32 tileSizeH = static_cast<uint32>(tileSize.h);
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const uint32 tileSizeV = static_cast<uint32>(tileSize.v);
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const uint32 pixelSize = TagTypeSize(pixelType);
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// Add padding to width if necessary.
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uint32 paddedWidth = tileSizeH;
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if (paddingType == pad16Bytes)
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{
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if (!RoundUpForPixelSize(paddedWidth, pixelSize, &paddedWidth))
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{
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ThrowMemoryFull("Arithmetic overflow computing buffer size");
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}
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}
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// Compute buffer size.
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uint32 bufferSize;
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if (!SafeUint32Mult(paddedWidth, tileSizeV, &bufferSize) ||
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!SafeUint32Mult(bufferSize, pixelSize, &bufferSize) ||
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!SafeUint32Mult(bufferSize, numPlanes, &bufferSize))
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{
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ThrowMemoryFull("Arithmetic overflow computing buffer size");
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}
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return bufferSize;
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}
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/*****************************************************************************/
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real64 TickTimeInSeconds ()
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{
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#if qWinOS
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// One might think it prudent to cache the frequency here, however
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// low-power CPU modes can, and do, change the value returned.
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// Thus the frequencey needs to be retrieved each time.
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// Note that the frequency changing can cause the return
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// result to jump backwards, which is why the TickCountInSeconds
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// (below) also exists.
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// Just plug in laptop when doing timings to minimize this.
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// QPC/QPH is a slow call compared to rtdsc.
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#if qImagecore
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// You should be plugged-in when measuring.
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static real64 freqMultiplier = 0.0;
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if (freqMultiplier == 0.0)
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{
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LARGE_INTEGER freq;
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QueryPerformanceFrequency (&freq);
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freqMultiplier = 1.0 / (real64) freq.QuadPart;
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}
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#else
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LARGE_INTEGER freq;
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QueryPerformanceFrequency (&freq);
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real64 freqMultiplier = 1.0 / (real64) freq.QuadPart;
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#endif // qImagecore
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LARGE_INTEGER cycles;
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QueryPerformanceCounter (&cycles);
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return (real64) cycles.QuadPart * freqMultiplier;
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#elif qiPhone || qMacOS
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// this is switching Mac to high performance timer
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// and this is also the timer for iPhone
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// assume frequency is unchanging, requesting frequency every time call
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// is too slow. multiple cores, different frequency ?
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static real64 freqMultiplier = 0.0;
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if (freqMultiplier == 0.0)
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{
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mach_timebase_info_data_t freq;
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mach_timebase_info(&freq);
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// converts from nanos to micros
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// numer = 125, denom = 3 * 1000
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freqMultiplier = ((real64)freq.numer / (real64)freq.denom) * 1.0e-9;
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}
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return mach_absolute_time() * freqMultiplier;
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#elif qAndroid || qLinux
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//this is a fast timer to nanos
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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return now.tv_sec + (real64)now.tv_nsec * 1.0e-9;
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#else
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// Perhaps a better call exists. (e.g. avoid adjtime effects)
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struct timeval tv;
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gettimeofday (&tv, NULL);
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return tv.tv_sec + (real64)tv.tv_usec * 1.0e-6;
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#endif
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}
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/*****************************************************************************/
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real64 TickCountInSeconds ()
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{
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return TickTimeInSeconds ();
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}
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/*****************************************************************************/
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bool gDNGShowTimers = true;
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dng_timer::dng_timer (const char *message)
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: fMessage (message )
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, fStartTime (TickTimeInSeconds ())
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{
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}
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/*****************************************************************************/
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dng_timer::~dng_timer ()
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{
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if (!gDNGShowTimers)
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return;
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real64 totalTime = TickTimeInSeconds () - fStartTime;
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fprintf (stderr, "%s: %0.3f sec\n", fMessage, totalTime);
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}
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/*****************************************************************************/
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real64 MaxSquaredDistancePointToRect (const dng_point_real64 &point,
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const dng_rect_real64 &rect)
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{
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real64 distSqr = DistanceSquared (point,
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rect.TL ());
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distSqr = Max_real64 (distSqr,
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DistanceSquared (point,
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rect.BL ()));
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distSqr = Max_real64 (distSqr,
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DistanceSquared (point,
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rect.BR ()));
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distSqr = Max_real64 (distSqr,
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DistanceSquared (point,
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rect.TR ()));
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return distSqr;
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}
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/*****************************************************************************/
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real64 MaxDistancePointToRect (const dng_point_real64 &point,
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const dng_rect_real64 &rect)
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{
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return sqrt (MaxSquaredDistancePointToRect (point,
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rect));
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}
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/*****************************************************************************/
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dng_dither::dng_dither ()
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: fNoiseBuffer ()
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{
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const uint32 kSeed = 1;
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fNoiseBuffer.Allocate (kRNGSize2D * sizeof (uint16));
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uint16 *buffer = fNoiseBuffer.Buffer_uint16 ();
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uint32 seed = kSeed;
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for (uint32 i = 0; i < kRNGSize2D; i++)
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{
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seed = DNG_Random (seed);
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buffer [i] = (uint16) (seed);
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}
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}
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/******************************************************************************/
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const dng_dither & dng_dither::Get ()
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{
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static dng_dither dither;
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return dither;
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}
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/*****************************************************************************/
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void HistogramArea (dng_host & /* host */,
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const dng_image &image,
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const dng_rect &area,
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uint32 *hist,
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uint32 maxValue,
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uint32 plane)
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{
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DNG_ASSERT (image.PixelType () == ttShort, "Unsupported pixel type");
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DoZeroBytes (hist, (maxValue + 1) * (uint32) sizeof (uint32));
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dng_rect tile;
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dng_tile_iterator iter (image, area);
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while (iter.GetOneTile (tile))
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{
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dng_const_tile_buffer buffer (image, tile);
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const void *sPtr = buffer.ConstPixel (tile.t,
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tile.l,
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plane);
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uint32 count0 = 1;
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uint32 count1 = tile.H ();
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uint32 count2 = tile.W ();
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int32 step0 = 0;
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int32 step1 = buffer.fRowStep;
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int32 step2 = buffer.fColStep;
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OptimizeOrder (sPtr,
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buffer.fPixelSize,
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count0,
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count1,
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count2,
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step0,
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step1,
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step2);
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DNG_ASSERT (count0 == 1, "OptimizeOrder logic error");
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const uint16 *s1 = (const uint16 *) sPtr;
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for (uint32 row = 0; row < count1; row++)
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{
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if (maxValue == 0x0FFFF && step2 == 1)
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{
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for (uint32 col = 0; col < count2; col++)
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{
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uint32 x = s1 [col];
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hist [x] ++;
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}
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}
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else
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{
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const uint16 *s2 = s1;
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for (uint32 col = 0; col < count2; col++)
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{
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uint32 x = s2 [0];
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if (x <= maxValue)
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{
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hist [x] ++;
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}
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s2 += step2;
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}
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}
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s1 += step1;
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}
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}
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}
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/*****************************************************************************/
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class dng_limit_float_depth_task: public dng_area_task
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{
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private:
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const dng_image &fSrcImage;
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dng_image &fDstImage;
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uint32 fBitDepth;
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real32 fScale;
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public:
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dng_limit_float_depth_task (const dng_image &srcImage,
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dng_image &dstImage,
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uint32 bitDepth,
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real32 scale);
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virtual dng_rect RepeatingTile1 () const
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{
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return fSrcImage.RepeatingTile ();
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}
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virtual dng_rect RepeatingTile2 () const
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{
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return fDstImage.RepeatingTile ();
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}
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virtual void Process (uint32 threadIndex,
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const dng_rect &tile,
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dng_abort_sniffer *sniffer);
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};
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/*****************************************************************************/
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dng_limit_float_depth_task::dng_limit_float_depth_task (const dng_image &srcImage,
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dng_image &dstImage,
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uint32 bitDepth,
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real32 scale)
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: fSrcImage (srcImage)
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, fDstImage (dstImage)
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, fBitDepth (bitDepth)
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, fScale (scale)
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{
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}
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/*****************************************************************************/
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void dng_limit_float_depth_task::Process (uint32 /* threadIndex */,
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const dng_rect &tile,
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dng_abort_sniffer * /* sniffer */)
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{
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dng_const_tile_buffer srcBuffer (fSrcImage, tile);
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dng_dirty_tile_buffer dstBuffer (fDstImage, tile);
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uint32 count0 = tile.H ();
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uint32 count1 = tile.W ();
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uint32 count2 = fDstImage.Planes ();
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int32 sStep0 = srcBuffer.fRowStep;
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int32 sStep1 = srcBuffer.fColStep;
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int32 sStep2 = srcBuffer.fPlaneStep;
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int32 dStep0 = dstBuffer.fRowStep;
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int32 dStep1 = dstBuffer.fColStep;
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int32 dStep2 = dstBuffer.fPlaneStep;
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const void *sPtr = srcBuffer.ConstPixel (tile.t,
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tile.l,
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0);
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void *dPtr = dstBuffer.DirtyPixel (tile.t,
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tile.l,
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0);
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OptimizeOrder (sPtr,
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dPtr,
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srcBuffer.fPixelSize,
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dstBuffer.fPixelSize,
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count0,
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count1,
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count2,
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sStep0,
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sStep1,
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sStep2,
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dStep0,
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dStep1,
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dStep2);
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const real32 *sPtr0 = (const real32 *) sPtr;
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real32 *dPtr0 = ( real32 *) dPtr;
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real32 scale = fScale;
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bool limit16 = (fBitDepth == 16);
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bool limit24 = (fBitDepth == 24);
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for (uint32 index0 = 0; index0 < count0; index0++)
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{
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const real32 *sPtr1 = sPtr0;
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real32 *dPtr1 = dPtr0;
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for (uint32 index1 = 0; index1 < count1; index1++)
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{
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// If the scale is a NOP, and the data is packed solid, we can just do memory
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// copy.
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if (scale == 1.0f && sStep2 == 1 && dStep2 == 1)
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{
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if (dPtr1 != sPtr1) // srcImage != dstImage
|
|
{
|
|
|
|
memcpy (dPtr1, sPtr1, count2 * (uint32) sizeof (real32));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
{
|
|
|
|
const real32 *sPtr2 = sPtr1;
|
|
real32 *dPtr2 = dPtr1;
|
|
|
|
for (uint32 index2 = 0; index2 < count2; index2++)
|
|
{
|
|
|
|
real32 x = sPtr2 [0];
|
|
|
|
x *= scale;
|
|
|
|
dPtr2 [0] = x;
|
|
|
|
sPtr2 += sStep2;
|
|
dPtr2 += dStep2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// The data is now in the destination buffer.
|
|
|
|
if (limit16)
|
|
{
|
|
|
|
uint32 *dPtr2 = (uint32 *) dPtr1;
|
|
|
|
for (uint32 index2 = 0; index2 < count2; index2++)
|
|
{
|
|
|
|
uint32 x = dPtr2 [0];
|
|
|
|
uint16 y = DNG_FloatToHalf (x);
|
|
|
|
x = DNG_HalfToFloat (y);
|
|
|
|
dPtr2 [0] = x;
|
|
|
|
dPtr2 += dStep2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if (limit24)
|
|
{
|
|
|
|
uint32 *dPtr2 = (uint32 *) dPtr1;
|
|
|
|
for (uint32 index2 = 0; index2 < count2; index2++)
|
|
{
|
|
|
|
uint32 x = dPtr2 [0];
|
|
|
|
uint8 temp [3];
|
|
|
|
DNG_FloatToFP24 (x, temp);
|
|
|
|
x = DNG_FP24ToFloat (temp);
|
|
|
|
dPtr2 [0] = x;
|
|
|
|
dPtr2 += dStep2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
sPtr1 += sStep1;
|
|
dPtr1 += dStep1;
|
|
|
|
}
|
|
|
|
sPtr0 += sStep0;
|
|
dPtr0 += dStep0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
void LimitFloatBitDepth (dng_host &host,
|
|
const dng_image &srcImage,
|
|
dng_image &dstImage,
|
|
uint32 bitDepth,
|
|
real32 scale)
|
|
{
|
|
|
|
DNG_ASSERT (srcImage.PixelType () == ttFloat, "Floating point image expected");
|
|
DNG_ASSERT (dstImage.PixelType () == ttFloat, "Floating point image expected");
|
|
|
|
dng_limit_float_depth_task task (srcImage,
|
|
dstImage,
|
|
bitDepth,
|
|
scale);
|
|
|
|
host.PerformAreaTask (task, dstImage.Bounds ());
|
|
|
|
}
|
|
|
|
/*****************************************************************************/
|