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Added option to TIFF handler for specifying the photometric interpretation.

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Added option wxIMAGE_OPTION_TIFF_PHOTOMETRIC for reading and writing TIFF images. This is mostly for being able to distinguish between PHOTOMETRIC_MINISBLACK (chocolate flavour) and PHOTOMETRIC_MINISWHITE (vanilla) as currently the flavour used was fixed. It applies to greyscale as well as black and white images. Added unit tests to verify the written photometric value.

Also see #13194.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@68785 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Dimitri Schoolwerth
2011-08-19 03:47:40 +00:00
parent 8e28cc4701
commit fc695138b4
3 changed files with 38 additions and 6 deletions
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2
tests/image/image.cpp
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@@ -1116,6 +1116,8 @@ void ImageTestCase::SaveTIFF()
{
TestTIFFImage(wxIMAGE_OPTION_TIFF_BITSPERSAMPLE, 1);
TestTIFFImage(wxIMAGE_OPTION_TIFF_SAMPLESPERPIXEL, 1);
TestTIFFImage(wxIMAGE_OPTION_TIFF_PHOTOMETRIC, 0/*PHOTOMETRIC_MINISWHITE*/);
TestTIFFImage(wxIMAGE_OPTION_TIFF_PHOTOMETRIC, 1/*PHOTOMETRIC_MINISBLACK*/);
}
void ImageTestCase::SaveAnimatedGIF()