void dng_opcode_MapTable::ProcessArea (dng_negative & /* negative */,
uint32 /* threadIndex */,
dng_pixel_buffer &buffer,
const dng_rect &dstArea,
const dng_rect & /* imageBounds */)
{
dng_rect overlap = fAreaSpec.Overlap (dstArea);
if (overlap.NotEmpty ())
{
for (uint32 plane = fAreaSpec.Plane ();
plane < fAreaSpec.Plane () + fAreaSpec.Planes () &&
plane < buffer.Planes ();
plane++)
{
DoMapArea16 (buffer.DirtyPixel_uint16 (overlap.t, overlap.l, plane),
1,
(overlap.H () + fAreaSpec.RowPitch () - 1) / fAreaSpec.RowPitch (),
(overlap.W () + fAreaSpec.ColPitch () - 1) / fAreaSpec.ColPitch (),
0,
fAreaSpec.RowPitch () * buffer.RowStep (),
fAreaSpec.ColPitch (),
fTable->Buffer_uint16 ());
}
}
}
void dng_opcode_ScalePerColumn::ProcessArea (dng_negative & /* negative */,
uint32 /* threadIndex */,
dng_pixel_buffer &buffer,
const dng_rect &dstArea,
const dng_rect & /* imageBounds */)
{
dng_rect overlap = fAreaSpec.Overlap (dstArea);
if (overlap.NotEmpty ())
{
uint32 rows = (overlap.W () + fAreaSpec.RowPitch () - 1) /
fAreaSpec.RowPitch ();
int32 rowStep = buffer.RowStep () * fAreaSpec.RowPitch ();
for (uint32 plane = fAreaSpec.Plane ();
plane < fAreaSpec.Plane () + fAreaSpec.Planes () &&
plane < buffer.Planes ();
plane++)
{
const real32 *table = fTable->Buffer_real32 () +
((overlap.l - fAreaSpec.Area ().l) /
fAreaSpec.ColPitch ());
for (int32 col = overlap.l; col < overlap.r; col += fAreaSpec.ColPitch ())
{
real32 colScale = *(table++);
real32 *dPtr = buffer.DirtyPixel_real32 (overlap.t, col, plane);
for (uint32 row = 0; row < rows; row++)
{
real32 x = dPtr [0];
real32 y = x * colScale;
dPtr [0] = Min_real32 (y, 1.0f);
dPtr += rowStep;
}
}
}
}
}
