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test_saveImage.m
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test_saveImage.m
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function test_saveImage(array, fname)
if ~exist('fname', 'var') || isempty(fname)
fname = 'testImage_ml.tif';
end
test_setGlobals();
global TESTDIR;
testFile = test_validateTestFileSave(fname);
if isempty(testFile)
return;
end
array_class = class(array);
if strcmp(array_class, 'logical')
imwrite(array, testFile);
else
sf = [];
array_genclass = [];
if contains(array_class, 'uint')
array_genclass = 'uint';
sf = Tiff.SampleFormat.UInt;
elseif contains(array_class, 'int')
array_genclass = 'int';
sf = Tiff.SampleFormat.Int;
elseif any(strcmp(array_class, ["single", "double"]))
sf = Tiff.SampleFormat.IEEEFP;
else
error('Invalid array class: %s\n', array_class);
end
bps = [];
if ~isempty(array_genclass)
bps = str2num(strrep(array_class, array_genclass, ''));
elseif strcmp(array_class, 'single')
bps = 32;
elseif strcmp(array_class, 'double')
bps = 64;
else
error('Invalid array class: %s\n', array_class);
end
t = Tiff(testFile, 'w');
setTag(t, 'ImageLength', size(array, 1))
setTag(t, 'ImageWidth', size(array, 2))
setTag(t, 'Photometric', Tiff.Photometric.MinIsBlack);
setTag(t, 'BitsPerSample', bps);
setTag(t, 'SampleFormat', sf);
setTag(t, 'SamplesPerPixel', 1);
setTag(t, 'PlanarConfiguration', Tiff.PlanarConfiguration.Chunky);
t.write(array);
end
fprintf("'%s' saved\n", strrep(testFile, TESTDIR, '{TESTDIR}'));