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eget grayscale NTImage support

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This commit is contained in:
Matej Sekoranja
2013-01-24 22:21:50 +01:00
parent 7edaf7acaf
commit ebc79c5bf2
2 changed files with 107 additions and 32 deletions
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114
testApp/remote/eget.cpp
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@@ -38,7 +38,7 @@ void formatNTAny(std::ostream& o, PVStructurePtr const & pvStruct)
PVFieldPtr value = pvStruct->getSubField("value");
if (value.get() == 0)
{
std::cerr << "no 'value' column in NTAny" << std::endl;
std::cerr << "no 'value' field in NTAny" << std::endl;
return;
}
@@ -50,7 +50,7 @@ void formatNTScalar(std::ostream& o, PVStructurePtr const & pvStruct)
PVScalarPtr value = dynamic_pointer_cast<PVScalar>(pvStruct->getSubField("value"));
if (value.get() == 0)
{
std::cerr << "no scalar_t 'value' column in NTScalar" << std::endl;
std::cerr << "no scalar_t 'value' field in NTScalar" << std::endl;
return;
}
@@ -117,7 +117,7 @@ void formatNTScalarArray(std::ostream& o, PVStructurePtr const & pvStruct)
PVScalarArrayPtr value = dynamic_pointer_cast<PVScalarArray>(pvStruct->getSubField("value"));
if (value.get() == 0)
{
std::cerr << "no scalar_t[] 'value' column in NTScalarArray" << std::endl;
std::cerr << "no scalar_t[] 'value' field in NTScalarArray" << std::endl;
return;
}
@@ -258,7 +258,7 @@ void formatNTTable(std::ostream& o, PVStructurePtr const & pvStruct)
PVStringArrayPtr labels = dynamic_pointer_cast<PVStringArray>(pvStruct->getScalarArrayField("labels", pvString));
if (labels.get() == 0)
{
std::cerr << "no string[] 'labels' column in NTTable" << std::endl;
std::cerr << "no string[] 'labels' field in NTTable" << std::endl;
return;
}
@@ -304,7 +304,7 @@ void formatNTMatrix(std::ostream& o, PVStructurePtr const & pvStruct)
PVDoubleArrayPtr value = dynamic_pointer_cast<PVDoubleArray>(pvStruct->getScalarArrayField("value", pvDouble));
if (value.get() == 0)
{
std::cerr << "no double[] 'value' column in NTMatrix" << std::endl;
std::cerr << "no double[] 'value' field in NTMatrix" << std::endl;
return;
}
@@ -328,7 +328,7 @@ void formatNTMatrix(std::ostream& o, PVStructurePtr const & pvStruct)
if (rows <= 0 || cols <= 0)
{
std::cerr << "malformed NTMatrix, dim[] must contain elements >= 0" << std::endl;
std::cerr << "malformed NTMatrix, dim[] must contain elements > 0" << std::endl;
return;
}
}
@@ -537,6 +537,91 @@ void formatNTURI(std::ostream& o, PVStructurePtr const & pvStruct)
o << std::endl;
}
void formatNTImage(std::ostream& o, PVStructurePtr const & pvStruct)
{
PVScalarArrayPtr value = dynamic_pointer_cast<PVScalarArray>(pvStruct->getSubField("value"));
if (value.get() == 0)
{
std::cerr << "no scalar array 'value' field in NTImage" << std::endl;
return;
}
int32 rows, cols;
PVIntArrayPtr dim = dynamic_pointer_cast<PVIntArray>(pvStruct->getScalarArrayField("dim", pvInt));
if (dim.get() == 0)
{
std::cerr << "no int[] 'dim' field in NTImage" << std::endl;
return;
}
// dim[] = { rows, columns }
size_t dims = dim->getLength();
if (dims != 2)
{
std::cerr << "malformed NTImage, dim[] must 2 elements instead of " << dims << std::endl;
return;
}
IntArrayData data;
dim->get(0, dims, data);
cols = data.data[0];
rows = data.data[1];
if (rows <= 0 || cols <= 0)
{
std::cerr << "malformed NTImage, dim[] must contain elements > 0" << std::endl;
return;
}
// TODO !!!
PVByteArrayPtr array = dynamic_pointer_cast<PVByteArray>(value);
if (array.get() == 0)
{
std::cerr << "currently only grayscale NTImage with byte[] value field are supported" << std::endl;
return;
}
ByteArrayData img;
array->get(0, array->getLength(), img);
/*
size_t len = static_cast<size_t>(rows*cols);
for (size_t i = 0; i < len; i++)
o << img.data[i];
*/
//eget -s testImage | gnuplot -e "set size ratio -1; set palette grey; set cbrange [0:255]; plot '-' binary array=(512,384) flipy format='%uchar' with image"
FILE* gnuplotPipe = popen ("gnuplot -p", "w");
fprintf(gnuplotPipe, "set format \"\"\n");
fprintf(gnuplotPipe, "unset key\n");
fprintf(gnuplotPipe, "unset border\n");
fprintf(gnuplotPipe, "unset colorbox\n");
fprintf(gnuplotPipe, "unset xtics\n");
fprintf(gnuplotPipe, "unset ytics\n");
fprintf(gnuplotPipe, "set lmargin at screen 0\n");
fprintf(gnuplotPipe, "set bmargin at screen 0\n");
fprintf(gnuplotPipe, "set rmargin at screen 0.99999\n");
fprintf(gnuplotPipe, "set tmargin at screen 0.99999\n");
fprintf(gnuplotPipe, "set xrange [0:%u]\n", cols-1);
fprintf(gnuplotPipe, "set yrange [0:%u]\n", rows-1);
fprintf(gnuplotPipe, "set palette grey\n");
fprintf(gnuplotPipe, "set cbrange [0:255]\n");
fprintf(gnuplotPipe, "plot '-' binary array=(%u,%u) flipy format='%%uchar' with image\n", cols, rows);
size_t len = static_cast<size_t>(rows*cols);
for (size_t i = 0; i < len; i++)
fprintf(gnuplotPipe, "%c", img.data[i]);
fflush(gnuplotPipe);
pclose(gnuplotPipe);
}
typedef void(*NTFormatterFunc)(std::ostream& o, PVStructurePtr const & pvStruct);
typedef map<String, NTFormatterFunc> NTFormatterLUTMap;
NTFormatterLUTMap ntFormatterLUT;
@@ -550,22 +635,7 @@ void initializeNTFormatterLUT()
ntFormatterLUT["uri:ev4:nt/2012/pwd:NTAny"] = formatNTAny;
ntFormatterLUT["uri:ev4:nt/2012/pwd:NTNameValue"] = formatNTNameValue;
ntFormatterLUT["uri:ev4:nt/2012/pwd:NTURI"] = formatNTURI;
//
// TODO remove: smooth transition
//
ntFormatterLUT["NTScalar"] = formatNTScalar;
ntFormatterLUT["NTScalarArray"] = formatNTScalarArray;
ntFormatterLUT["NTTable"] = formatNTTable;
ntFormatterLUT["NTMatrix"] = formatNTMatrix;
ntFormatterLUT["NTAny"] = formatNTAny;
ntFormatterLUT["NTNameValue"] = formatNTNameValue;
ntFormatterLUT["NTURI"] = formatNTURI;
// StandardPV "support"
ntFormatterLUT["scalar_t"] = formatNTScalar;
ntFormatterLUT["scalarArray_t"] = formatNTScalarArray;
ntFormatterLUT["uri:ev4:nt/2012/pwd:NTImage"] = formatNTImage;
}
void formatNT(std::ostream& o, PVFieldPtr const & pv)