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Commit c81d855a authored by Manuel Günther's avatar Manuel Günther
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Moved test function into its own extension

parent d98c3071
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bob/io/image/main.cpp
View file @ c81d855a
......@@ -32,179 +32,6 @@
#include <jpeglib.h>
#endif
static auto s_test_io = bob::extension::FunctionDoc(
"_test_io",
"Tests the C++ API of reading and writing images"
)
.add_prototype("tempdir")
.add_parameter("tempdir", "str", "A temporary directory to write data to")
;
static PyObject* _test_io(PyObject*, PyObject *args, PyObject* kwds) {
BOB_TRY
static char** kwlist = s_test_io.kwlist();
const char* tempdir;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "s", kwlist, &tempdir)) return 0;
blitz::Array<uint8_t, 2> gray_image(100, 100);
gray_image = 0;
for (int i = 0; i < 100; ++i){
gray_image(i, 99-i) = 127;
gray_image(i,i) = 255;
}
blitz::Array<uint8_t, 3> color_image(3, 100, 100);
for (int i = 0; i < 3; ++i)
color_image(i, blitz::Range::all(), blitz::Range::all()) = gray_image(blitz::Range::all(), blitz::Range::all());
// BMP; only color images are supported
boost::filesystem::path bmp(tempdir); bmp /= std::string("color.bmp");
bob::io::image::write_color_image(color_image, bmp.string());
if (bob::io::image::get_correct_image_extension(bmp.string()) != ".bmp")
throw std::runtime_error("BMP image type check did not succeed, check " + bmp.string());
if (!bob::io::image::is_color_image(bmp.string()))
throw std::runtime_error("BMP image " + bmp.string() + " is not color as expected");
blitz::Array<uint8_t, 3> color_bmp = bob::io::image::read_color_image(bmp.string(), ".bmp");
if (blitz::any(blitz::abs(color_image - color_bmp) > 0))
throw std::runtime_error("BMP image IO did not succeed, check " + bmp.string());
#ifdef HAVE_GIFLIB
// GIF; only color images are supported
boost::filesystem::path gif(tempdir); gif /= std::string("color.gif");
bob::io::image::write_color_image(color_image, gif.string());
if (bob::io::image::get_correct_image_extension(gif.string()) != ".gif")
throw std::runtime_error("GIF image type check did not succeed, check " + gif.string());
if (!bob::io::image::is_color_image(gif.string(), ".gif"))
throw std::runtime_error("GIF image " + gif.string() + " is not color as expected");
blitz::Array<uint8_t, 3> color_gif = bob::io::image::read_color_image(gif.string(), ".gif");
if (blitz::any(blitz::abs(color_image - color_gif) > 8)) // TODO: why is GIF not lossless?
throw std::runtime_error("GIF image IO did not succeed, check " + gif.string());
#endif
// NetPBM
boost::filesystem::path pgm(tempdir); pgm /= std::string("gray.pgm");
bob::io::image::write_gray_image(gray_image, pgm.string());
if (bob::io::image::get_correct_image_extension(pgm.string()) != ".pgm")
throw std::runtime_error("PGM image type check did not succeed, check " + pgm.string());
if (bob::io::image::is_color_p_m(pgm.string()) || bob::io::image::is_color_image(pgm.string(), ".pgm"))
throw std::runtime_error("PGM image " + pgm.string() + " is not gray as expected");
blitz::Array<uint8_t, 2> gray_pgm = bob::io::image::read_gray_image(pgm.string(), ".pgm");
if (blitz::any(blitz::abs(gray_image - gray_pgm) > 0))
throw std::runtime_error("PGM image IO did not succeed, check " + pgm.string());
boost::filesystem::path ppm(tempdir); ppm /= std::string("color.ppm");
bob::io::image::write_color_image(color_image, ppm.string());
if (bob::io::image::get_correct_image_extension(ppm.string()) != ".ppm")
throw std::runtime_error("PPM image type check did not succeed, check " + ppm.string());
if (!bob::io::image::is_color_p_m(ppm.string()) || !bob::io::image::is_color_image(ppm.string()))
throw std::runtime_error("PPM image " + ppm.string() + " is not color as expected");
blitz::Array<uint8_t, 3> color_ppm = bob::io::image::read_color_image(ppm.string(), ".ppm");
if (blitz::any(blitz::abs(color_image - color_ppm) > 0))
throw std::runtime_error("PPM image IO did not succeed, check " + ppm.string());
#ifdef HAVE_LIBJPEG
// JPEG
boost::filesystem::path jpeg_gray(tempdir); jpeg_gray /= std::string("gray.jpg");
bob::io::image::write_gray_image(gray_image, jpeg_gray.string());
if (bob::io::image::get_correct_image_extension(jpeg_gray.string()) != ".jpg")
throw std::runtime_error("JPEG image type check did not succeed, check " + jpeg_gray.string());
if (bob::io::image::is_color_image(jpeg_gray.string()) || bob::io::image::is_color_image(jpeg_gray.string()))
throw std::runtime_error("JPEG image " + jpeg_gray.string() + " is not gray as expected");
blitz::Array<uint8_t, 2> gray_jpeg = bob::io::image::read_gray_image(jpeg_gray.string());
if (blitz::any(blitz::abs(gray_image - gray_jpeg) > 10))
throw std::runtime_error("JPEG gray image IO did not succeed, check " + jpeg_gray.string());
boost::filesystem::path jpeg_color(tempdir); jpeg_color /= std::string("color.jpg");
bob::io::image::write_color_image(color_image, jpeg_color.string());
if (bob::io::image::get_correct_image_extension(jpeg_color.string()) != ".jpg")
throw std::runtime_error("JPEG image type check did not succeed, check " + jpeg_color.string());
if (!bob::io::image::is_color_image(jpeg_color.string()) || !bob::io::image::is_color_image(jpeg_color.string(), ".jpeg"))
throw std::runtime_error("JPEG image " + jpeg_color.string() + " is not color as expected");
blitz::Array<uint8_t, 3> color_jpeg = bob::io::image::read_color_image(jpeg_color.string());
if (blitz::any(blitz::abs(color_image - color_jpeg) > 10))
throw std::runtime_error("JPEG color image IO did not succeed, check " + jpeg_color.string());
#endif
#ifdef HAVE_LIBPNG
// PNG
boost::filesystem::path png_gray(tempdir); png_gray /= std::string("gray.png");
bob::io::image::write_gray_image(gray_image, png_gray.string());
if (bob::io::image::get_correct_image_extension(png_gray.string()) != ".png")
throw std::runtime_error("PNG image type check did not succeed, check " + png_gray.string());
if (bob::io::image::is_color_image(png_gray.string()) || bob::io::image::is_color_image(png_gray.string(), ".png"))
throw std::runtime_error("PNG image " + png_gray.string() + " is not gray as expected");
blitz::Array<uint8_t, 2> gray_png = bob::io::image::read_gray_image(png_gray.string());
if (blitz::any(blitz::abs(gray_image - gray_png) > 1))
throw std::runtime_error("PNG gray image IO did not succeed, check " + png_gray.string());
boost::filesystem::path png_color(tempdir); png_color /= std::string("color.png");
bob::io::image::write_color_image(color_image, png_color.string());
if (bob::io::image::get_correct_image_extension(png_color.string()) != ".png")
throw std::runtime_error("PNG image type check did not succeed, check " + png_color.string());
if (!bob::io::image::is_color_png(png_color.string()) || !bob::io::image::is_color_image(png_color.string()))
throw std::runtime_error("PNG image " + png_color.string() + " is not color as expected");
blitz::Array<uint8_t, 3> color_png = bob::io::image::read_color_image(png_color.string());
if (blitz::any(blitz::abs(color_image - color_png) > 1))
throw std::runtime_error("PNG color image IO did not succeed, check " + png_color.string());
// test writing as uint16 and reading as uint8
blitz::Array<uint16_t, 2> uint16_gray(bob::core::array::convert<uint16_t>(gray_image));
boost::filesystem::path png_uint16(tempdir); png_uint16 /= std::string("uint16.png");
bob::io::image::write_png(uint16_gray, png_uint16.string());
blitz::Array<uint8_t, 2> uint8_gray = bob::io::image::read_gray_image(png_uint16.string());
if (blitz::any(blitz::abs(gray_image - uint8_gray) > 1))
throw std::runtime_error("PNG gray type conversion not succeed, check " + png_uint16.string());
blitz::Array<uint16_t, 3> uint16_color(bob::core::array::convert<uint16_t>(color_image));
boost::filesystem::path png_uint16c(tempdir); png_uint16c /= std::string("uint16c.png");
bob::io::image::write_png(uint16_color, png_uint16c.string());
blitz::Array<uint8_t, 3> uint8_color = bob::io::image::read_color_image(png_uint16c.string());
if (blitz::any(blitz::abs(color_image - uint8_color) > 1))
throw std::runtime_error("PNG color type conversion not succeed, check " + png_uint16c.string());
#endif
#ifdef HAVE_LIBTIFF
// TIFF
boost::filesystem::path tiff_gray(tempdir); tiff_gray /= std::string("gray.tiff");
bob::io::image::write_gray_image(gray_image, tiff_gray.string());
if (bob::io::image::get_correct_image_extension(tiff_gray.string()) != ".tiff")
throw std::runtime_error("TIFF image type check did not succeed, check " + tiff_gray.string());
if (bob::io::image::is_color_image(tiff_gray.string()) || bob::io::image::is_color_image(tiff_gray.string(), ".tif"))
throw std::runtime_error("TIFF image " + tiff_gray.string() + " is not gray as expected");
blitz::Array<uint8_t, 2> gray_tiff = bob::io::image::read_gray_image(tiff_gray.string());
if (blitz::any(blitz::abs(gray_image - gray_tiff) > 1))
throw std::runtime_error("TIFF gray image IO did not succeed, check " + tiff_gray.string());
boost::filesystem::path tiff_color(tempdir); tiff_color /= std::string("color.tiff");
bob::io::image::write_color_image(color_image, tiff_color.string());
if (bob::io::image::get_correct_image_extension(tiff_color.string()) != ".tiff")
throw std::runtime_error("TIFF image type check did not succeed, check " + tiff_color.string());
if (!bob::io::image::is_color_image(tiff_color.string()) || !bob::io::image::is_color_image(tiff_color.string(), ".tiff"))
throw std::runtime_error("TIFF image " + tiff_color.string() + " is not color as expected");
blitz::Array<uint8_t, 3> color_tiff = bob::io::image::read_color_image(tiff_color.string());
if (blitz::any(blitz::abs(color_image - color_tiff) > 1))
throw std::runtime_error("TIFF color image IO did not succeed, check " + tiff_color.string());
#endif
Py_RETURN_NONE;
BOB_CATCH_FUNCTION("_test_io", 0)
}
static auto s_image_extension = bob::extension::FunctionDoc(
"get_correct_image_extension",
......@@ -230,12 +57,6 @@ BOB_CATCH_FUNCTION("get_correct_image_extension", 0)
static PyMethodDef module_methods[] = {
{
s_test_io.name(),
(PyCFunction)_test_io,
METH_VARARGS|METH_KEYWORDS,
s_test_io.doc(),
},
{
s_image_extension.name(),
(PyCFunction)image_extension,
......
bob/io/image/test.cpp 0 → 100644
View file @ c81d855a
/**
* @author Manuel Gunther
* @date Tue Sep 13 13:01:31 MDT 2016
*
* @brief Tests for bob::io::base
*/
#include <bob.io.base/api.h>
#include <bob.blitz/cleanup.h>
#include <bob.extension/documentation.h>
#include <boost/format.hpp>
#include <boost/filesystem.hpp>
#include <bob.io.image/image.h>
static auto s_test_io = bob::extension::FunctionDoc(
"_test_io",
"Tests the C++ API of reading and writing images"
)
.add_prototype("tempdir")
.add_parameter("tempdir", "str", "A temporary directory to write data to")
;
static PyObject* _test_io(PyObject*, PyObject *args, PyObject* kwds) {
BOB_TRY
static char** kwlist = s_test_io.kwlist();
const char* tempdir;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "s", kwlist, &tempdir)) return 0;
blitz::Array<uint8_t, 2> gray_image(100, 100);
gray_image = 0;
for (int i = 0; i < 100; ++i){
gray_image(i, 99-i) = 127;
gray_image(i,i) = 255;
}
blitz::Array<uint8_t, 3> color_image(3, 100, 100);
for (int i = 0; i < 3; ++i)
color_image(i, blitz::Range::all(), blitz::Range::all()) = gray_image(blitz::Range::all(), blitz::Range::all());
// BMP; only color images are supported
boost::filesystem::path bmp(tempdir); bmp /= std::string("color.bmp");
bob::io::image::write_color_image(color_image, bmp.string());
if (bob::io::image::get_correct_image_extension(bmp.string()) != ".bmp")
throw std::runtime_error("BMP image type check did not succeed, check " + bmp.string());
if (!bob::io::image::is_color_image(bmp.string()))
throw std::runtime_error("BMP image " + bmp.string() + " is not color as expected");
blitz::Array<uint8_t, 3> color_bmp = bob::io::image::read_color_image(bmp.string(), ".bmp");
if (blitz::any(blitz::abs(color_image - color_bmp) > 0))
throw std::runtime_error("BMP image IO did not succeed, check " + bmp.string());
#ifdef HAVE_GIFLIB
// GIF; only color images are supported
boost::filesystem::path gif(tempdir); gif /= std::string("color.gif");
bob::io::image::write_color_image(color_image, gif.string());
if (bob::io::image::get_correct_image_extension(gif.string()) != ".gif")
throw std::runtime_error("GIF image type check did not succeed, check " + gif.string());
if (!bob::io::image::is_color_image(gif.string(), ".gif"))
throw std::runtime_error("GIF image " + gif.string() + " is not color as expected");
blitz::Array<uint8_t, 3> color_gif = bob::io::image::read_color_image(gif.string(), ".gif");
if (blitz::any(blitz::abs(color_image - color_gif) > 8)) // TODO: why is GIF not lossless?
throw std::runtime_error("GIF image IO did not succeed, check " + gif.string());
#endif
// NetPBM
boost::filesystem::path pgm(tempdir); pgm /= std::string("gray.pgm");
bob::io::image::write_gray_image(gray_image, pgm.string());
if (bob::io::image::get_correct_image_extension(pgm.string()) != ".pgm")
throw std::runtime_error("PGM image type check did not succeed, check " + pgm.string());
if (bob::io::image::is_color_p_m(pgm.string()) || bob::io::image::is_color_image(pgm.string(), ".pgm"))
throw std::runtime_error("PGM image " + pgm.string() + " is not gray as expected");
blitz::Array<uint8_t, 2> gray_pgm = bob::io::image::read_gray_image(pgm.string(), ".pgm");
if (blitz::any(blitz::abs(gray_image - gray_pgm) > 0))
throw std::runtime_error("PGM image IO did not succeed, check " + pgm.string());
boost::filesystem::path ppm(tempdir); ppm /= std::string("color.ppm");
bob::io::image::write_color_image(color_image, ppm.string());
if (bob::io::image::get_correct_image_extension(ppm.string()) != ".ppm")
throw std::runtime_error("PPM image type check did not succeed, check " + ppm.string());
if (!bob::io::image::is_color_p_m(ppm.string()) || !bob::io::image::is_color_image(ppm.string()))
throw std::runtime_error("PPM image " + ppm.string() + " is not color as expected");
blitz::Array<uint8_t, 3> color_ppm = bob::io::image::read_color_image(ppm.string(), ".ppm");
if (blitz::any(blitz::abs(color_image - color_ppm) > 0))
throw std::runtime_error("PPM image IO did not succeed, check " + ppm.string());
#ifdef HAVE_LIBJPEG
// JPEG
boost::filesystem::path jpeg_gray(tempdir); jpeg_gray /= std::string("gray.jpg");
bob::io::image::write_gray_image(gray_image, jpeg_gray.string());
if (bob::io::image::get_correct_image_extension(jpeg_gray.string()) != ".jpg")
throw std::runtime_error("JPEG image type check did not succeed, check " + jpeg_gray.string());
if (bob::io::image::is_color_image(jpeg_gray.string()) || bob::io::image::is_color_image(jpeg_gray.string()))
throw std::runtime_error("JPEG image " + jpeg_gray.string() + " is not gray as expected");
blitz::Array<uint8_t, 2> gray_jpeg = bob::io::image::read_gray_image(jpeg_gray.string());
if (blitz::any(blitz::abs(gray_image - gray_jpeg) > 10))
throw std::runtime_error("JPEG gray image IO did not succeed, check " + jpeg_gray.string());
boost::filesystem::path jpeg_color(tempdir); jpeg_color /= std::string("color.jpg");
bob::io::image::write_color_image(color_image, jpeg_color.string());
if (bob::io::image::get_correct_image_extension(jpeg_color.string()) != ".jpg")
throw std::runtime_error("JPEG image type check did not succeed, check " + jpeg_color.string());
if (!bob::io::image::is_color_image(jpeg_color.string()) || !bob::io::image::is_color_image(jpeg_color.string(), ".jpeg"))
throw std::runtime_error("JPEG image " + jpeg_color.string() + " is not color as expected");
blitz::Array<uint8_t, 3> color_jpeg = bob::io::image::read_color_image(jpeg_color.string());
if (blitz::any(blitz::abs(color_image - color_jpeg) > 10))
throw std::runtime_error("JPEG color image IO did not succeed, check " + jpeg_color.string());
#endif
#ifdef HAVE_LIBPNG
// PNG
boost::filesystem::path png_gray(tempdir); png_gray /= std::string("gray.png");
bob::io::image::write_gray_image(gray_image, png_gray.string());
if (bob::io::image::get_correct_image_extension(png_gray.string()) != ".png")
throw std::runtime_error("PNG image type check did not succeed, check " + png_gray.string());
if (bob::io::image::is_color_image(png_gray.string()) || bob::io::image::is_color_image(png_gray.string(), ".png"))
throw std::runtime_error("PNG image " + png_gray.string() + " is not gray as expected");
blitz::Array<uint8_t, 2> gray_png = bob::io::image::read_gray_image(png_gray.string());
if (blitz::any(blitz::abs(gray_image - gray_png) > 1))
throw std::runtime_error("PNG gray image IO did not succeed, check " + png_gray.string());
boost::filesystem::path png_color(tempdir); png_color /= std::string("color.png");
bob::io::image::write_color_image(color_image, png_color.string());
if (bob::io::image::get_correct_image_extension(png_color.string()) != ".png")
throw std::runtime_error("PNG image type check did not succeed, check " + png_color.string());
if (!bob::io::image::is_color_png(png_color.string()) || !bob::io::image::is_color_image(png_color.string()))
throw std::runtime_error("PNG image " + png_color.string() + " is not color as expected");
blitz::Array<uint8_t, 3> color_png = bob::io::image::read_color_image(png_color.string());
if (blitz::any(blitz::abs(color_image - color_png) > 1))
throw std::runtime_error("PNG color image IO did not succeed, check " + png_color.string());
// test writing as uint16 and reading as uint8
blitz::Array<uint16_t, 2> uint16_gray(bob::core::array::convert<uint16_t>(gray_image));
boost::filesystem::path png_uint16(tempdir); png_uint16 /= std::string("uint16.png");
bob::io::image::write_png(uint16_gray, png_uint16.string());
blitz::Array<uint8_t, 2> uint8_gray = bob::io::image::read_gray_image(png_uint16.string());
if (blitz::any(blitz::abs(gray_image - uint8_gray) > 1))
throw std::runtime_error("PNG gray type conversion not succeed, check " + png_uint16.string());
blitz::Array<uint16_t, 3> uint16_color(bob::core::array::convert<uint16_t>(color_image));
boost::filesystem::path png_uint16c(tempdir); png_uint16c /= std::string("uint16c.png");
bob::io::image::write_png(uint16_color, png_uint16c.string());
blitz::Array<uint8_t, 3> uint8_color = bob::io::image::read_color_image(png_uint16c.string());
if (blitz::any(blitz::abs(color_image - uint8_color) > 1))
throw std::runtime_error("PNG color type conversion not succeed, check " + png_uint16c.string());
#endif
#ifdef HAVE_LIBTIFF
// TIFF
boost::filesystem::path tiff_gray(tempdir); tiff_gray /= std::string("gray.tiff");
bob::io::image::write_gray_image(gray_image, tiff_gray.string());
if (bob::io::image::get_correct_image_extension(tiff_gray.string()) != ".tiff")
throw std::runtime_error("TIFF image type check did not succeed, check " + tiff_gray.string());
if (bob::io::image::is_color_image(tiff_gray.string()) || bob::io::image::is_color_image(tiff_gray.string(), ".tif"))
throw std::runtime_error("TIFF image " + tiff_gray.string() + " is not gray as expected");
blitz::Array<uint8_t, 2> gray_tiff = bob::io::image::read_gray_image(tiff_gray.string());
if (blitz::any(blitz::abs(gray_image - gray_tiff) > 1))
throw std::runtime_error("TIFF gray image IO did not succeed, check " + tiff_gray.string());
boost::filesystem::path tiff_color(tempdir); tiff_color /= std::string("color.tiff");
bob::io::image::write_color_image(color_image, tiff_color.string());
if (bob::io::image::get_correct_image_extension(tiff_color.string()) != ".tiff")
throw std::runtime_error("TIFF image type check did not succeed, check " + tiff_color.string());
if (!bob::io::image::is_color_image(tiff_color.string()) || !bob::io::image::is_color_image(tiff_color.string(), ".tiff"))
throw std::runtime_error("TIFF image " + tiff_color.string() + " is not color as expected");
blitz::Array<uint8_t, 3> color_tiff = bob::io::image::read_color_image(tiff_color.string());
if (blitz::any(blitz::abs(color_image - color_tiff) > 1))
throw std::runtime_error("TIFF color image IO did not succeed, check " + tiff_color.string());
#endif
Py_RETURN_NONE;
BOB_CATCH_FUNCTION("_test_io", 0)
}
static PyMethodDef module_methods[] = {
{
s_test_io.name(),
(PyCFunction)_test_io,
METH_VARARGS|METH_KEYWORDS,
s_test_io.doc(),
},
{0} /* Sentinel */
};
PyDoc_STRVAR(module_docstr, "Tests for bob::io::base");
#if PY_VERSION_HEX >= 0x03000000
static PyModuleDef module_definition = {
PyModuleDef_HEAD_INIT,
BOB_EXT_MODULE_NAME,
module_docstr,
-1,
module_methods,
0, 0, 0, 0
};
#endif
static PyObject* create_module (void) {
# if PY_VERSION_HEX >= 0x03000000
PyObject* m = PyModule_Create(&module_definition);
auto m_ = make_xsafe(m);
const char* ret = "O";
# else
PyObject* m = Py_InitModule3(BOB_EXT_MODULE_NAME, module_methods, module_docstr);
const char* ret = "N";
# endif
if (!m) return 0;
return Py_BuildValue(ret, m);
}
PyMODINIT_FUNC BOB_EXT_ENTRY_NAME (void) {
# if PY_VERSION_HEX >= 0x03000000
return
# endif
create_module();
}
bob/io/image/test.py
View file @ c81d855a
......@@ -124,7 +124,7 @@ def test_image_load():
def test_cpp_interface():
from ._library import _test_io
from ._test import _test_io
import tempfile
import shutil
......
setup.py
View file @ c81d855a
......@@ -422,8 +422,23 @@ setup(
libraries = libraries,
define_macros = define_macros,
),
Extension("bob.io.image._test",
[
"bob/io/image/test.cpp",
],
packages = packages,
boost_modules = boost_modules,
bob_packages = bob_packages,
version = version,
system_include_dirs = system_include_dirs,
library_dirs = library_dirs,
libraries = libraries,
define_macros = define_macros,
),
],
cmdclass = {
'build_ext': build_ext
},
......
version.txt
View file @ c81d855a
2.2.3b0
\ No newline at end of file
2.2.3b1
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