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_gain_map::dng_gain_map (dng_memory_allocator &allocator,
const dng_point &points,
const dng_point_real64 &spacing,
const dng_point_real64 &origin,
uint32 planes)
: fPoints (points)
, fSpacing (spacing)
, fOrigin (origin)
, fPlanes (planes)
, fRowStep (planes * points.h)
, fBuffer ()
{
fBuffer.Reset (allocator.Allocate (fPoints.v *
fPoints.h *
fPlanes * sizeof (real32)));
}
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 ();
}
