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;
}
dng_simple_image::dng_simple_image (const dng_rect &bounds,
uint32 planes,
uint32 pixelType,
uint32 pixelRange,
dng_memory_allocator &allocator)
: dng_image (bounds,
planes,
pixelType,
pixelRange)
, fMemory ()
, fBuffer ()
{
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.fPixelRange = pixelRange;
fBuffer.fData = fMemory->Buffer ();
}
void dng_tile_iterator::Initialize (const dng_rect &tile,
const dng_rect &area)
{
fArea = area;
if (area.IsEmpty ())
{
fVerticalPage = 0;
fBottomPage = -1;
return;
}
int32 vOffset = tile.t;
int32 hOffset = tile.l;
int32 tileHeight = tile.b - vOffset;
int32 tileWidth = tile.r - hOffset;
fTileHeight = tileHeight;
fTileWidth = tileWidth;
fLeftPage = (fArea.l - hOffset ) / tileWidth;
fRightPage = (fArea.r - hOffset - 1) / tileWidth;
fHorizontalPage = fLeftPage;
fTopPage = (fArea.t - vOffset ) / tileHeight;
fBottomPage = (fArea.b - vOffset - 1) / tileHeight;
fVerticalPage = fTopPage;
fTileLeft = fHorizontalPage * tileWidth + hOffset;
fTileTop = fVerticalPage * tileHeight + vOffset;
fRowLeft = fTileLeft;
}
dng_simple_image::dng_simple_image (const dng_rect &bounds,
uint32 planes,
uint32 pixelType,
dng_memory_allocator &allocator)
: dng_image (bounds,
planes,
pixelType)
, fMemory ()
, fAllocator (allocator)
{
uint32 bytes =
ComputeBufferSize (pixelType, bounds.Size (), planes, pad16Bytes);
fMemory.Reset (allocator.Allocate (bytes));
fBuffer = dng_pixel_buffer (bounds, 0, planes, pixelType, pcInterleaved, fMemory->Buffer ());
}
dng_image::dng_image (const dng_rect &bounds,
uint32 planes,
uint32 pixelType)
: fBounds (bounds)
, fPlanes (planes)
, fPixelType (pixelType)
{
if (bounds.IsEmpty () || planes == 0 || PixelSize () == 0)
{
#if qDNGValidate
ReportError ("Fuzz: Attempt to create zero size image");
#endif
ThrowBadFormat ();
}
}
void dng_image::GetRepeat (dng_pixel_buffer &buffer,
const dng_rect &srcArea,
const dng_rect &dstArea) const
{
// If we already have the entire srcArea in the
// buffer, we can just repeat that.
if ((srcArea & buffer.fArea) == srcArea)
{
buffer.RepeatArea (srcArea,
dstArea);
}
// Else we first need to get the srcArea into the buffer area.
else
{
// Find repeating pattern size.
dng_point repeat = srcArea.Size ();
// Find pattern phase at top-left corner of destination area.
dng_point phase = dng_pixel_buffer::RepeatPhase (srcArea,
dstArea);
// Find new source area at top-left of dstArea.
dng_rect newArea = srcArea + (dstArea.TL () -
srcArea.TL ());
// Find quadrant split coordinates.
int32 splitV = newArea.t + repeat.v - phase.v;
int32 splitH = newArea.l + repeat.h - phase.h;
// Top-left quadrant.
dng_rect dst1 (dng_rect (newArea.t,
newArea.l,
splitV,
splitH) & dstArea);
if (dst1.NotEmpty ())
{
dng_pixel_buffer temp (buffer);
temp.fArea = dst1 + (srcArea.TL () -
dstArea.TL () +
dng_point (phase.v, phase.h));
temp.fData = buffer.DirtyPixel (dst1.t,
dst1.l,
buffer.fPlane);
DoGet (temp);
}
// Top-right quadrant.
dng_rect dst2 (dng_rect (newArea.t,
splitH,
splitV,
newArea.r) & dstArea);
if (dst2.NotEmpty ())
{
dng_pixel_buffer temp (buffer);
temp.fArea = dst2 + (srcArea.TL () -
dstArea.TL () +
dng_point (phase.v, -phase.h));
temp.fData = buffer.DirtyPixel (dst2.t,
dst2.l,
buffer.fPlane);
DoGet (temp);
}
// Bottom-left quadrant.
dng_rect dst3 (dng_rect (splitV,
newArea.l,
newArea.b,
splitH) & dstArea);
if (dst3.NotEmpty ())
{
dng_pixel_buffer temp (buffer);
temp.fArea = dst3 + (srcArea.TL () -
dstArea.TL () +
dng_point (-phase.v, phase.h));
temp.fData = buffer.DirtyPixel (dst3.t,
dst3.l,
buffer.fPlane);
DoGet (temp);
}
// Bottom-right quadrant.
dng_rect dst4 (dng_rect (splitV,
splitH,
newArea.b,
newArea.r) & dstArea);
if (dst4.NotEmpty ())
{
dng_pixel_buffer temp (buffer);
temp.fArea = dst4 + (srcArea.TL () -
dstArea.TL () +
dng_point (-phase.v, -phase.h));
temp.fData = buffer.DirtyPixel (dst4.t,
dst4.l,
buffer.fPlane);
DoGet (temp);
}
// Replicate this new source area.
buffer.RepeatArea (newArea,
dstArea);
}
}
void dng_limit_float_depth_task::Process (uint32 /* threadIndex */,
const dng_rect &tile,
dng_abort_sniffer * /* sniffer */)
{
dng_const_tile_buffer srcBuffer (fSrcImage, tile);
dng_dirty_tile_buffer dstBuffer (fDstImage, tile);
uint32 count0 = tile.H ();
uint32 count1 = tile.W ();
uint32 count2 = fDstImage.Planes ();
int32 sStep0 = srcBuffer.fRowStep;
int32 sStep1 = srcBuffer.fColStep;
int32 sStep2 = srcBuffer.fPlaneStep;
int32 dStep0 = dstBuffer.fRowStep;
int32 dStep1 = dstBuffer.fColStep;
int32 dStep2 = dstBuffer.fPlaneStep;
const void *sPtr = srcBuffer.ConstPixel (tile.t,
tile.l,
0);
void *dPtr = dstBuffer.DirtyPixel (tile.t,
tile.l,
0);
OptimizeOrder (sPtr,
dPtr,
srcBuffer.fPixelSize,
dstBuffer.fPixelSize,
count0,
count1,
count2,
sStep0,
sStep1,
sStep2,
dStep0,
dStep1,
dStep2);
const real32 *sPtr0 = (const real32 *) sPtr;
real32 *dPtr0 = ( real32 *) dPtr;
real32 scale = fScale;
bool limit16 = (fBitDepth == 16);
bool limit24 = (fBitDepth == 24);
for (uint32 index0 = 0; index0 < count0; index0++)
{
const real32 *sPtr1 = sPtr0;
real32 *dPtr1 = dPtr0;
for (uint32 index1 = 0; index1 < count1; index1++)
{
// If the scale is a NOP, and the data is packed solid, we can just do memory
// copy.
if (scale == 1.0f && sStep2 == 1 && dStep2 == 1)
{
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 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);
// Setup srcBuffer.
dng_pixel_buffer srcBuffer;
srcBuffer.fArea = srcArea;
srcBuffer.fPlane = fSrcPlane;
srcBuffer.fPlanes = fSrcPlanes;
srcBuffer.fPixelType = fSrcPixelType;
srcBuffer.fPixelSize = TagTypeSize (fSrcPixelType);
srcBuffer.fPlaneStep = RoundUpForPixelSize (srcArea.W (),
srcBuffer.fPixelSize);
srcBuffer.fRowStep = srcBuffer.fPlaneStep *
srcBuffer.fPlanes;
if (fSrcPixelType == fSrcImage.PixelType ())
{
srcBuffer.fPixelRange = fSrcImage.PixelRange ();
}
else switch (fSrcPixelType)
{
case ttByte:
case ttSByte:
{
srcBuffer.fPixelRange = 0x0FF;
break;
}
case ttShort:
case ttSShort:
{
srcBuffer.fPixelRange = 0x0FFFF;
break;
}
case ttLong:
case ttSLong:
{
srcBuffer.fPixelRange = 0xFFFFFFFF;
break;
}
case ttFloat:
break;
default:
ThrowProgramError ();
}
srcBuffer.fData = fSrcBuffer [threadIndex]->Buffer ();
// Setup dstBuffer.
dng_pixel_buffer dstBuffer;
dstBuffer.fArea = area;
dstBuffer.fPlane = fDstPlane;
dstBuffer.fPlanes = fDstPlanes;
dstBuffer.fPixelType = fDstPixelType;
dstBuffer.fPixelSize = TagTypeSize (fDstPixelType);
dstBuffer.fPlaneStep = RoundUpForPixelSize (area.W (),
dstBuffer.fPixelSize);
dstBuffer.fRowStep = dstBuffer.fPlaneStep *
dstBuffer.fPlanes;
if (fDstPixelType == fDstImage.PixelType ())
{
dstBuffer.fPixelRange = fDstImage.PixelRange ();
}
else switch (fDstPixelType)
{
case ttByte:
case ttSByte:
{
dstBuffer.fPixelRange = 0x0FF;
break;
}
case ttShort:
case ttSShort:
{
dstBuffer.fPixelRange = 0x0FFFF;
break;
}
case ttLong:
case ttSLong:
{
dstBuffer.fPixelRange = 0xFFFFFFFF;
break;
}
case ttFloat:
break;
default:
ThrowProgramError ();
}
dstBuffer.fData = 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);
}
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);
// Setup srcBuffer.
dng_pixel_buffer srcBuffer;
srcBuffer.fArea = srcArea;
srcBuffer.fPlane = fSrcPlane;
srcBuffer.fPlanes = fSrcPlanes;
srcBuffer.fPixelType = fSrcPixelType;
srcBuffer.fPixelSize = TagTypeSize (fSrcPixelType);
srcBuffer.fPlaneStep = RoundUpForPixelSize (srcArea.W (),
srcBuffer.fPixelSize);
srcBuffer.fRowStep = srcBuffer.fPlaneStep *
srcBuffer.fPlanes;
srcBuffer.fData = fSrcBuffer [threadIndex]->Buffer ();
// Setup dstBuffer.
dng_pixel_buffer dstBuffer;
dstBuffer.fArea = area;
dstBuffer.fPlane = fDstPlane;
dstBuffer.fPlanes = fDstPlanes;
dstBuffer.fPixelType = fDstPixelType;
dstBuffer.fPixelSize = TagTypeSize (fDstPixelType);
dstBuffer.fPlaneStep = RoundUpForPixelSize (area.W (),
dstBuffer.fPixelSize);
dstBuffer.fRowStep = dstBuffer.fPlaneStep *
dstBuffer.fPlanes;
dstBuffer.fData = 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);
}
dng_gain_map_interpolator::dng_gain_map_interpolator (const dng_gain_map &map,
const dng_rect &mapBounds,
int32 row,
int32 column,
uint32 plane)
: fMap (map)
, fScale (1.0 / mapBounds.H (),
1.0 / mapBounds.W ())
, fOffset (0.5 - mapBounds.t,
0.5 - mapBounds.l)
, fColumn (column)
, fPlane (plane)
, fRowIndex1 (0)
, fRowIndex2 (0)
, fRowFract (0.0f)
, fResetColumn (0)
, fValueBase (0.0f)
, fValueStep (0.0f)
, fValueIndex (0.0f)
{
real64 rowIndexF = (fScale.v * (row + fOffset.v) -
fMap.Origin ().v) / fMap.Spacing ().v;
if (rowIndexF <= 0.0)
{
fRowIndex1 = 0;
fRowIndex2 = 0;
fRowFract = 0.0f;
}
else
{
fRowIndex1 = (uint32) rowIndexF;
if ((int32) fRowIndex1 >= fMap.Points ().v - 1)
{
fRowIndex1 = fMap.Points ().v - 1;
fRowIndex2 = fRowIndex1;
fRowFract = 0.0f;
}
else
{
fRowIndex2 = fRowIndex1 + 1;
fRowFract = (real32) (rowIndexF - (real64) fRowIndex1);
}
}
ResetColumn ();
}
