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7c673cae | 1 | // |
92f5a8d4 TL |
2 | // Copyright 2005-2007 Adobe Systems Incorporated |
3 | // | |
4 | // Distributed under the Boost Software License, Version 1.0 | |
5 | // See accompanying file LICENSE_1_0.txt or copy at | |
6 | // http://www.boost.org/LICENSE_1_0.txt | |
7 | // | |
7c673cae | 8 | #ifdef _MSC_VER |
92f5a8d4 | 9 | #pragma warning(disable : 4244) // conversion from 'gil::image<V,Alloc>::coord_t' to 'int', possible loss of data (visual studio compiler doesn't realize that the two types are the same) |
7c673cae | 10 | #pragma warning(disable : 4503) // decorated name length exceeded, name was truncated |
92f5a8d4 | 11 | #pragma warning(disable : 4701) // potentially uninitialized local variable 'result' used in boost/crc.hpp |
7c673cae FG |
12 | #endif |
13 | ||
92f5a8d4 TL |
14 | #include <boost/gil.hpp> |
15 | #include <boost/gil/extension/dynamic_image/dynamic_image_all.hpp> | |
16 | ||
17 | #include <boost/core/ignore_unused.hpp> | |
18 | #include <boost/crc.hpp> | |
19 | #include <boost/mp11.hpp> | |
20 | ||
7c673cae FG |
21 | #include <ios> |
22 | #include <iostream> | |
23 | #include <fstream> | |
24 | #include <map> | |
92f5a8d4 TL |
25 | #include <stdexcept> |
26 | #include <string> | |
27 | #include <type_traits> | |
28 | #include <vector> | |
7c673cae FG |
29 | |
30 | using namespace boost::gil; | |
31 | using namespace std; | |
32 | using namespace boost; | |
33 | ||
34 | extern rgb8c_planar_view_t sample_view; | |
35 | void error_if(bool condition); | |
36 | ||
92f5a8d4 TL |
37 | #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) |
38 | #pragma warning(push) | |
39 | #pragma warning(disable:4127) //conditional expression is constant | |
40 | #endif | |
7c673cae FG |
41 | |
42 | // When BOOST_GIL_GENERATE_REFERENCE_DATA is defined, the reference data is generated and saved. | |
43 | // When it is undefined, regression tests are checked against it | |
44 | //#define BOOST_GIL_GENERATE_REFERENCE_DATA | |
45 | ||
46 | //////////////////////////////////////////////////// | |
47 | /// | |
48 | /// Some algorithms to use in testing | |
49 | /// | |
50 | //////////////////////////////////////////////////// | |
51 | ||
52 | template <typename GrayView, typename R> | |
92f5a8d4 TL |
53 | void gray_image_hist(GrayView const& img_view, R& hist) |
54 | { | |
55 | for (auto it = img_view.begin(); it != img_view.end(); ++it) | |
7c673cae | 56 | ++hist[*it]; |
92f5a8d4 TL |
57 | |
58 | // Alternatively, prefer the algorithm with lambda | |
59 | // for_each_pixel(img_view, [&hist](gray8_pixel_t const& pixel) { | |
60 | // ++hist[pixel]; | |
61 | // }); | |
7c673cae FG |
62 | } |
63 | ||
64 | template <typename V, typename R> | |
65 | void get_hist(const V& img_view, R& hist) { | |
66 | gray_image_hist(color_converted_view<gray8_pixel_t>(img_view), hist); | |
67 | } | |
68 | ||
69 | // testing custom color conversion | |
70 | template <typename C1, typename C2> | |
71 | struct my_color_converter_impl : public default_color_converter_impl<C1,C2> {}; | |
72 | template <typename C1> | |
73 | struct my_color_converter_impl<C1,gray_t> { | |
74 | template <typename P1, typename P2> | |
75 | void operator()(const P1& src, P2& dst) const { | |
76 | default_color_converter_impl<C1,gray_t>()(src,dst); | |
77 | get_color(dst,gray_color_t())=channel_invert(get_color(dst,gray_color_t())); | |
78 | } | |
79 | }; | |
80 | ||
81 | struct my_color_converter { | |
82 | template <typename SrcP,typename DstP> | |
92f5a8d4 TL |
83 | void operator()(const SrcP& src,DstP& dst) const { |
84 | using src_cs_t = typename color_space_type<SrcP>::type; | |
85 | using dst_cs_t = typename color_space_type<DstP>::type; | |
7c673cae FG |
86 | my_color_converter_impl<src_cs_t,dst_cs_t>()(src,dst); |
87 | } | |
88 | }; | |
89 | ||
92f5a8d4 TL |
90 | /// Models a Unary Function |
91 | /// \tparam P models PixelValueConcept | |
92 | template <typename P> | |
93 | struct mandelbrot_fn | |
94 | { | |
95 | using point_t = boost::gil::point_t; | |
96 | using const_t = mandelbrot_fn<P>; | |
97 | using value_type = P; | |
98 | using reference = value_type; | |
99 | using const_reference = value_type; | |
100 | using argument_type = point_t; | |
101 | using result_type = reference; | |
102 | static constexpr bool is_mutable = false; | |
7c673cae FG |
103 | |
104 | value_type _in_color,_out_color; | |
105 | point_t _img_size; | |
106 | static const int MAX_ITER=100; // max number of iterations | |
107 | ||
108 | mandelbrot_fn() {} | |
109 | mandelbrot_fn(const point_t& sz, const value_type& in_color, const value_type& out_color) : _in_color(in_color), _out_color(out_color), _img_size(sz) {} | |
110 | ||
111 | result_type operator()(const point_t& p) const { | |
112 | // normalize the coords to (-2..1, -1.5..1.5) | |
113 | // (actually make y -1.0..2 so it is asymmetric, so we can verify some view factory methods) | |
92f5a8d4 | 114 | double t=get_num_iter(point<double>(p.x/(double)_img_size.x*3-2, p.y/(double)_img_size.y*3-1.0f));//1.5f)); |
7c673cae FG |
115 | t=pow(t,0.2); |
116 | ||
117 | value_type ret; | |
f67539c2 | 118 | for (std::size_t k=0; k<num_channels<P>::value; ++k) |
7c673cae FG |
119 | ret[k]=(typename channel_type<value_type>::type)(_in_color[k]*t + _out_color[k]*(1-t)); |
120 | return ret; | |
121 | } | |
122 | ||
123 | private: | |
92f5a8d4 TL |
124 | double get_num_iter(const point<double>& p) const { |
125 | point<double> Z(0,0); | |
7c673cae | 126 | for (int i=0; i<MAX_ITER; ++i) { |
92f5a8d4 | 127 | Z = point<double>(Z.x*Z.x - Z.y*Z.y + p.x, 2*Z.x*Z.y + p.y); |
7c673cae FG |
128 | if (Z.x*Z.x + Z.y*Z.y > 4) |
129 | return i/(double)MAX_ITER; | |
130 | } | |
131 | return 0; | |
132 | } | |
133 | }; | |
134 | ||
135 | template <typename T> | |
136 | void x_gradient(const T& src, const gray8s_view_t& dst) { | |
137 | for (int y=0; y<src.height(); ++y) { | |
138 | typename T::x_iterator src_it = src.row_begin(y); | |
139 | gray8s_view_t::x_iterator dst_it = dst.row_begin(y); | |
140 | ||
141 | for (int x=1; x<src.width()-1; ++x) | |
142 | dst_it[x] = (src_it[x+1] - src_it[x-1]) / 2; | |
143 | } | |
144 | } | |
145 | ||
146 | // A quick test whether a view is homogeneous | |
147 | ||
148 | template <typename Pixel> | |
92f5a8d4 | 149 | struct pixel_is_homogeneous : public std::true_type {}; |
7c673cae FG |
150 | |
151 | template <typename P, typename C, typename L> | |
92f5a8d4 | 152 | struct pixel_is_homogeneous<packed_pixel<P,C,L> > : public std::false_type {}; |
7c673cae FG |
153 | |
154 | template <typename View> | |
155 | struct view_is_homogeneous : public pixel_is_homogeneous<typename View::value_type> {}; | |
156 | ||
7c673cae FG |
157 | //////////////////////////////////////////////////// |
158 | /// | |
159 | /// Tests image view transformations and algorithms | |
160 | /// | |
161 | //////////////////////////////////////////////////// | |
162 | class image_test { | |
163 | public: | |
164 | virtual void initialize() {} | |
165 | virtual void finalize() {} | |
166 | virtual ~image_test() {} | |
167 | ||
168 | void run(); | |
169 | protected: | |
170 | virtual void check_view_impl(const rgb8c_view_t& view, const string& name)=0; | |
171 | template <typename View> | |
172 | void check_view(const View& img_view, const string& name) { | |
173 | rgb8_image_t rgb_img(img_view.dimensions()); | |
174 | copy_and_convert_pixels(img_view,view(rgb_img)); | |
175 | check_view_impl(const_view(rgb_img), name); | |
176 | } | |
177 | private: | |
178 | template <typename Img> void basic_test(const string& prefix); | |
179 | template <typename View> void view_transformations_test(const View& img_view, const string& prefix); | |
92f5a8d4 TL |
180 | template <typename View> void homogeneous_view_transformations_test(const View& img_view, const string& prefix, std::true_type); |
181 | template <typename View> void homogeneous_view_transformations_test(const View& img_view, const string& prefix, std::false_type) | |
182 | { | |
183 | boost::ignore_unused(img_view); | |
184 | boost::ignore_unused(prefix); | |
185 | } | |
7c673cae FG |
186 | template <typename View> void histogram_test(const View& img_view, const string& prefix); |
187 | void virtual_view_test(); | |
188 | void packed_image_test(); | |
189 | void dynamic_image_test(); | |
190 | template <typename Img> void image_all_test(const string& prefix); | |
191 | }; | |
192 | ||
7c673cae FG |
193 | // testing image iterators, clone, fill, locators, color convert |
194 | template <typename Img> | |
195 | void image_test::basic_test(const string& prefix) { | |
92f5a8d4 | 196 | using View = typename Img::view_t; |
7c673cae FG |
197 | |
198 | // make a 20x20 image | |
199 | Img img(typename View::point_t(20,20)); | |
200 | const View& img_view=view(img); | |
201 | ||
202 | // fill it with red | |
203 | rgb8_pixel_t red8(255,0,0), green8(0,255,0), blue8(0,0,255), white8(255,255,255); | |
204 | typename View::value_type red,green,blue,white; | |
205 | color_convert(red8,red); | |
206 | default_color_converter()(red8,red); | |
207 | red=color_convert_deref_fn<rgb8_ref_t,typename Img::view_t::value_type>()(red8); | |
208 | ||
209 | color_convert(green8,green); | |
210 | color_convert(blue8,blue); | |
211 | color_convert(white8,white); | |
212 | fill(img_view.begin(),img_view.end(),red); | |
213 | ||
214 | color_convert(red8,img_view[0]); | |
215 | ||
216 | // pointer to first pixel of second row | |
217 | typename View::reference rt=img_view.at(0,0)[img_view.width()]; | |
218 | typename View::x_iterator ptr=&rt; | |
219 | typename View::reference rt2=*(img_view.at(0,0)+img_view.width()); | |
220 | typename View::x_iterator ptr2=&rt2; | |
221 | error_if(ptr!=ptr2); | |
222 | error_if(img_view.x_at(0,0)+10!=10+img_view.x_at(0,0)); | |
223 | ||
224 | // draw a blue line along the diagonal | |
225 | typename View::xy_locator loc=img_view.xy_at(0,img_view.height()-1); | |
226 | for (int y=0; y<img_view.height(); ++y) { | |
227 | *loc=blue; | |
228 | ++loc.x(); | |
229 | loc.y()--; | |
230 | } | |
231 | ||
232 | // draw a green dotted line along the main diagonal with step of 3 | |
233 | loc=img_view.xy_at(img_view.width()-1,img_view.height()-1); | |
234 | while (loc.x()>=img_view.x_at(0,0)) { | |
235 | *loc=green; | |
236 | loc-=typename View::point_t(3,3); | |
237 | } | |
238 | ||
239 | // Clone and make every red pixel white | |
240 | Img imgWhite(img); | |
241 | for (typename View::iterator it=view(imgWhite).end(); (it-1)!=view(imgWhite).begin(); --it) { | |
242 | if (*(it-1)==red) | |
243 | *(it-1)=white; | |
244 | } | |
245 | ||
246 | check_view(img_view,prefix+"red_x"); | |
247 | check_view(view(imgWhite),prefix+"white_x"); | |
248 | } | |
249 | ||
250 | template <typename View> | |
251 | void image_test::histogram_test(const View& img_view, const string& prefix) { | |
252 | // vector<int> histogram(255,0); | |
253 | // get_hist(cropped,histogram.begin()); | |
254 | unsigned char histogram[256]; | |
255 | fill(histogram,histogram+256,0); | |
256 | get_hist(img_view,histogram); | |
257 | gray8c_view_t hist_view=interleaved_view(256,1,(const gray8_pixel_t*)histogram,256); | |
258 | check_view(hist_view,prefix+"histogram"); | |
259 | } | |
260 | ||
7c673cae FG |
261 | template <typename View> |
262 | void image_test::view_transformations_test(const View& img_view, const string& prefix) { | |
263 | check_view(img_view,prefix+"original"); | |
264 | ||
265 | check_view(subimage_view(img_view, iround(img_view.dimensions()/4), iround(img_view.dimensions()/2)),prefix+"cropped"); | |
266 | check_view(color_converted_view<gray8_pixel_t>(img_view),prefix+"gray8"); | |
267 | check_view(color_converted_view<gray8_pixel_t>(img_view,my_color_converter()),prefix+"my_gray8"); | |
268 | check_view(transposed_view(img_view),prefix+"transpose"); | |
269 | check_view(rotated180_view(img_view),prefix+"rot180"); | |
270 | check_view(rotated90cw_view(img_view),prefix+"90cw"); | |
271 | check_view(rotated90ccw_view(img_view),prefix+"90ccw"); | |
272 | check_view(flipped_up_down_view(img_view),prefix+"flipped_ud"); | |
273 | check_view(flipped_left_right_view(img_view),prefix+"flipped_lr"); | |
92f5a8d4 | 274 | check_view(subsampled_view(img_view,typename View::point_t(2,1)),prefix+"subsampled"); |
7c673cae FG |
275 | check_view(kth_channel_view<0>(img_view),prefix+"0th_k_channel"); |
276 | homogeneous_view_transformations_test(img_view, prefix, view_is_homogeneous<View>()); | |
277 | } | |
278 | ||
279 | template <typename View> | |
92f5a8d4 | 280 | void image_test::homogeneous_view_transformations_test(const View& img_view, const string& prefix, std::true_type) { |
7c673cae FG |
281 | check_view(nth_channel_view(img_view,0),prefix+"0th_n_channel"); |
282 | } | |
283 | ||
92f5a8d4 TL |
284 | void image_test::virtual_view_test() |
285 | { | |
286 | using deref_t = mandelbrot_fn<rgb8_pixel_t>; | |
287 | using point_t = deref_t::point_t; | |
288 | using locator_t = virtual_2d_locator<deref_t, false>; | |
289 | using my_virt_view_t = image_view<locator_t>; | |
7c673cae FG |
290 | |
291 | boost::function_requires<PixelLocatorConcept<locator_t> >(); | |
292 | gil_function_requires<StepIteratorConcept<locator_t::x_iterator> >(); | |
293 | ||
294 | point_t dims(200,200); | |
295 | my_virt_view_t mandel(dims, locator_t(point_t(0,0), point_t(1,1), deref_t(dims, rgb8_pixel_t(255,0,255), rgb8_pixel_t(0,255,0)))); | |
296 | ||
297 | gray8s_image_t img(dims); | |
298 | fill_pixels(view(img),0); // our x_gradient algorithm doesn't change the first & last column, so make sure they are 0 | |
299 | x_gradient(color_converted_view<gray8_pixel_t>(mandel), view(img)); | |
300 | check_view(color_converted_view<gray8_pixel_t>(const_view(img)), "mandelLuminosityGradient"); | |
301 | ||
302 | view_transformations_test(mandel,"virtual_"); | |
303 | histogram_test(mandel,"virtual_"); | |
304 | } | |
305 | ||
306 | // Test alignment and packed images | |
92f5a8d4 TL |
307 | void image_test::packed_image_test() |
308 | { | |
309 | using bgr131_image_t = bit_aligned_image3_type<1,3,1, bgr_layout_t>::type; | |
310 | using bgr131_pixel_t = bgr131_image_t::value_type; | |
7c673cae FG |
311 | bgr131_pixel_t fill_val(1,3,1); |
312 | ||
313 | bgr131_image_t bgr131_img(3,10); | |
314 | fill_pixels(view(bgr131_img), fill_val); | |
315 | ||
316 | bgr131_image_t bgr131a_img(3,10,1); | |
317 | copy_pixels(const_view(bgr131_img), view(bgr131a_img)); | |
318 | ||
319 | bgr131_image_t bgr131b_img(3,10,4); | |
320 | copy_pixels(const_view(bgr131_img), view(bgr131b_img)); | |
321 | ||
322 | error_if(bgr131_img!=bgr131a_img || bgr131a_img!=bgr131b_img); | |
323 | } | |
324 | ||
92f5a8d4 TL |
325 | void image_test::dynamic_image_test() |
326 | { | |
327 | using any_image_t = any_image | |
328 | < | |
20effc67 TL |
329 | gray8_image_t, |
330 | bgr8_image_t, | |
331 | argb8_image_t, | |
332 | rgb8_image_t, | |
333 | rgb8_planar_image_t | |
92f5a8d4 | 334 | >; |
7c673cae FG |
335 | rgb8_planar_image_t img(sample_view.dimensions()); |
336 | copy_pixels(sample_view, view(img)); | |
337 | any_image_t any_img=any_image_t(img); | |
338 | ||
339 | check_view(view(any_img), "dynamic_"); | |
340 | check_view(flipped_left_right_view(view(any_img)), "dynamic_fliplr"); | |
341 | check_view(flipped_up_down_view(view(any_img)), "dynamic_flipud"); | |
92f5a8d4 | 342 | |
7c673cae FG |
343 | any_image_t::view_t subimageView=subimage_view(view(any_img),0,0,10,15); |
344 | ||
345 | check_view(subimageView, "dynamic_subimage"); | |
346 | check_view(subsampled_view(rotated180_view(view(any_img)), 2,1), "dynamic_subimage_subsampled180rot"); | |
347 | } | |
348 | ||
349 | template <typename Img> | |
350 | void image_test::image_all_test(const string& prefix) { | |
351 | basic_test<Img>(prefix+"basic_"); | |
352 | ||
353 | Img img; | |
354 | img.recreate(sample_view.dimensions()); | |
355 | copy_and_convert_pixels(sample_view,view(img)); | |
356 | ||
357 | view_transformations_test(view(img), prefix+"views_"); | |
358 | ||
359 | histogram_test(const_view(img),prefix+"histogram_"); | |
360 | } | |
361 | ||
362 | void image_test::run() { | |
363 | initialize(); | |
364 | ||
365 | image_all_test<bgr8_image_t>("bgr8_"); | |
366 | image_all_test<rgb8_image_t>("rgb8_"); | |
367 | image_all_test<rgb8_planar_image_t>("planarrgb8_"); | |
368 | image_all_test<gray8_image_t>("gray8_"); | |
369 | ||
f67539c2 TL |
370 | // FIXME: https://github.com/boostorg/gil/issues/447 |
371 | // Disable bgc121_image_t drawing as work around for a mysterious bug | |
372 | // revealing itself when using MSVC 64-bit optimized build. | |
373 | #if !(defined(NDEBUG) && defined (_MSC_VER) && defined(_WIN64)) | |
92f5a8d4 TL |
374 | using bgr121_ref_t = bit_aligned_pixel_reference |
375 | < | |
376 | boost::uint8_t, | |
377 | mp11::mp_list_c<int, 1, 2, 1>, | |
378 | bgr_layout_t, | |
379 | true | |
380 | > const; | |
381 | using bgr121_image_t = image<bgr121_ref_t, false>; | |
7c673cae | 382 | image_all_test<bgr121_image_t>("bgr121_"); |
f67539c2 | 383 | #endif |
7c673cae FG |
384 | |
385 | // TODO: Remove? | |
92f5a8d4 | 386 | view_transformations_test(subsampled_view(sample_view, point_t(1,2)), "subsampled_"); |
7c673cae FG |
387 | view_transformations_test(color_converted_view<gray8_pixel_t>(sample_view),"color_converted_"); |
388 | ||
389 | virtual_view_test(); | |
390 | packed_image_test(); | |
391 | dynamic_image_test(); | |
392 | ||
393 | finalize(); | |
394 | } | |
395 | ||
7c673cae FG |
396 | //////////////////////////////////////////////////// |
397 | /// | |
398 | /// Performs or generates image tests using checksums | |
399 | /// | |
400 | //////////////////////////////////////////////////// | |
401 | ||
92f5a8d4 TL |
402 | class checksum_image_mgr : public image_test |
403 | { | |
7c673cae | 404 | protected: |
92f5a8d4 | 405 | using crc_map_t = map<string, boost::crc_32_type::value_type>; |
7c673cae FG |
406 | crc_map_t _crc_map; |
407 | }; | |
408 | ||
409 | //////////////////////////////////////////////////// | |
410 | /// | |
411 | /// Performs image tests by comparing image pixel checksums against a reference | |
412 | /// | |
413 | //////////////////////////////////////////////////// | |
414 | ||
415 | class checksum_image_test : public checksum_image_mgr { | |
416 | public: | |
417 | checksum_image_test(const char* filename) : _filename(filename) {} | |
418 | private: | |
419 | const char* _filename; | |
92f5a8d4 TL |
420 | void initialize() override; |
421 | void check_view_impl(const rgb8c_view_t& v, const string& name) override; | |
7c673cae FG |
422 | }; |
423 | ||
424 | // Load the checksums from the reference file and create the start image | |
425 | void checksum_image_test::initialize() { | |
7c673cae FG |
426 | boost::crc_32_type::value_type crc_result; |
427 | fstream checksum_ref(_filename,ios::in); | |
428 | while (true) { | |
92f5a8d4 | 429 | string crc_name; |
7c673cae FG |
430 | checksum_ref >> crc_name >> std::hex >> crc_result; |
431 | if(checksum_ref.fail()) break; | |
92f5a8d4 TL |
432 | if (!crc_name.empty() && crc_name[0] == '#') |
433 | { | |
434 | crc_result = 0; // skip test case | |
435 | crc_name = crc_name.substr(1); | |
436 | } | |
7c673cae FG |
437 | _crc_map[crc_name]=crc_result; |
438 | } | |
439 | checksum_ref.close(); | |
440 | } | |
441 | ||
442 | // Create a checksum for the given view and compare it with the reference checksum. Throw exception if different | |
443 | void checksum_image_test::check_view_impl(const rgb8c_view_t& img_view, const string& name) { | |
444 | boost::crc_32_type checksum_acumulator; | |
445 | checksum_acumulator.process_bytes(img_view.row_begin(0),img_view.size()*3); | |
92f5a8d4 TL |
446 | unsigned int const crc_expect = _crc_map[name]; |
447 | if (crc_expect == 0) | |
448 | { | |
449 | cerr << "Skipping checksum check for " << name << " (crc=0)" << endl; | |
450 | return; | |
451 | } | |
7c673cae | 452 | |
92f5a8d4 TL |
453 | boost::crc_32_type::value_type const crc = checksum_acumulator.checksum(); |
454 | if (crc==crc_expect) { | |
455 | cerr << "Checking checksum for " << name << " (crc=" << std::hex << crc << ")" << endl; | |
456 | } | |
457 | else { | |
458 | cerr << "Checksum error in " << name | |
459 | << " (crc=" << std::hex << crc << " != " << std::hex << crc_expect << ")" << endl; | |
7c673cae FG |
460 | error_if(true); |
461 | } | |
462 | } | |
463 | ||
464 | //////////////////////////////////////////////////// | |
465 | /// | |
466 | /// Generates a set of reference checksums to compare against | |
467 | /// | |
468 | //////////////////////////////////////////////////// | |
469 | ||
470 | class checksum_image_generate : public checksum_image_mgr { | |
471 | public: | |
472 | checksum_image_generate(const char* filename) : _filename(filename) {} | |
473 | private: | |
474 | const char* _filename; | |
92f5a8d4 TL |
475 | void check_view_impl(const rgb8c_view_t& img_view, const string& name) override; |
476 | void finalize() override; | |
7c673cae FG |
477 | }; |
478 | ||
479 | // Add the checksum of the given view to the map of checksums | |
480 | void checksum_image_generate::check_view_impl(const rgb8c_view_t& img_view, const string& name) { | |
481 | boost::crc_32_type result; | |
482 | result.process_bytes(img_view.row_begin(0),img_view.size()*3); | |
483 | cerr << "Generating checksum for " << name << endl; | |
484 | _crc_map[name] = result.checksum(); | |
485 | } | |
486 | ||
487 | // Save the checksums into the reference file | |
488 | void checksum_image_generate::finalize() { | |
489 | fstream checksum_ref(_filename,ios::out); | |
490 | for (crc_map_t::const_iterator it=_crc_map.begin(); it!=_crc_map.end(); ++it) { | |
491 | checksum_ref << it->first << " " << std::hex << it->second << "\r\n"; | |
492 | } | |
493 | checksum_ref.close(); | |
494 | } | |
495 | ||
7c673cae FG |
496 | //////////////////////////////////////////////////// |
497 | /// | |
498 | /// Performs or generates image tests using image I/O | |
499 | /// | |
500 | //////////////////////////////////////////////////// | |
501 | ||
502 | extern const string in_dir; | |
503 | extern const string out_dir; | |
504 | extern const string ref_dir; | |
505 | ||
506 | const string in_dir=""; // directory of source images | |
507 | const string out_dir=in_dir+"image-out/"; // directory where to write output | |
508 | const string ref_dir=in_dir+"image-ref/"; // reference directory to compare written with actual output | |
509 | ||
7c673cae FG |
510 | void static_checks() { |
511 | gil_function_requires<ImageConcept<rgb8_image_t> >(); | |
512 | ||
92f5a8d4 TL |
513 | static_assert(view_is_basic<rgb8_step_view_t>::value, ""); |
514 | static_assert(view_is_basic<cmyk8c_planar_step_view_t>::value, ""); | |
515 | static_assert(view_is_basic<rgb8_planar_view_t>::value, ""); | |
516 | ||
517 | static_assert(view_is_step_in_x<rgb8_step_view_t>::value, ""); | |
518 | static_assert(view_is_step_in_x<cmyk8c_planar_step_view_t>::value, ""); | |
519 | static_assert(!view_is_step_in_x<rgb8_planar_view_t>::value, ""); | |
520 | ||
521 | static_assert(!is_planar<rgb8_step_view_t>::value, ""); | |
522 | static_assert(is_planar<cmyk8c_planar_step_view_t>::value, ""); | |
523 | static_assert(is_planar<rgb8_planar_view_t>::value, ""); | |
524 | ||
525 | static_assert(view_is_mutable<rgb8_step_view_t>::value, ""); | |
526 | static_assert(!view_is_mutable<cmyk8c_planar_step_view_t>::value, ""); | |
527 | static_assert(view_is_mutable<rgb8_planar_view_t>::value, ""); | |
528 | ||
529 | static_assert(std::is_same | |
530 | < | |
531 | derived_view_type<cmyk8c_planar_step_view_t>::type, | |
532 | cmyk8c_planar_step_view_t | |
533 | >::value, ""); | |
534 | static_assert(std::is_same | |
535 | < | |
536 | derived_view_type | |
537 | < | |
538 | cmyk8c_planar_step_view_t, std::uint16_t, rgb_layout_t | |
539 | >::type, | |
540 | rgb16c_planar_step_view_t | |
541 | >::value, ""); | |
542 | static_assert(std::is_same | |
543 | < | |
544 | derived_view_type | |
545 | < | |
546 | cmyk8c_planar_step_view_t, use_default, rgb_layout_t, std::false_type, use_default, std::false_type | |
547 | >::type, | |
548 | rgb8c_step_view_t | |
549 | >::value, ""); | |
7c673cae FG |
550 | |
551 | // test view get raw data (mostly compile-time test) | |
552 | { | |
553 | rgb8_image_t rgb8(100,100); | |
554 | unsigned char* data=interleaved_view_get_raw_data(view(rgb8)); | |
555 | const unsigned char* cdata=interleaved_view_get_raw_data(const_view(rgb8)); | |
556 | error_if(data!=cdata); | |
557 | } | |
558 | ||
559 | { | |
560 | rgb16s_planar_image_t rgb8(100,100); | |
561 | short* data=planar_view_get_raw_data(view(rgb8),1); | |
562 | const short* cdata=planar_view_get_raw_data(const_view(rgb8),1); | |
563 | error_if(data!=cdata); | |
564 | } | |
565 | } | |
566 | ||
92f5a8d4 TL |
567 | using image_test_t = checksum_image_test; |
568 | using image_generate_t = checksum_image_generate; | |
7c673cae FG |
569 | |
570 | #ifdef BOOST_GIL_GENERATE_REFERENCE_DATA | |
92f5a8d4 | 571 | using image_mgr_t = image_generate_t; |
7c673cae | 572 | #else |
92f5a8d4 | 573 | using image_mgr_t = image_test_t; |
7c673cae FG |
574 | #endif |
575 | ||
7c673cae FG |
576 | void test_image(const char* ref_checksum) { |
577 | image_mgr_t mgr(ref_checksum); | |
578 | ||
92f5a8d4 | 579 | cerr << "Reading checksums from " << ref_checksum << endl; |
7c673cae FG |
580 | mgr.run(); |
581 | static_checks(); | |
582 | } | |
583 | ||
92f5a8d4 TL |
584 | int main(int argc, char* argv[]) |
585 | { | |
586 | try | |
587 | { | |
588 | if (argc != 2) | |
589 | throw std::runtime_error("No file with reference checksums specified"); | |
7c673cae | 590 | |
92f5a8d4 TL |
591 | std::string local_name = argv[1]; |
592 | std::ifstream file_is_there(local_name.c_str()); | |
593 | if (!file_is_there) | |
594 | throw std::runtime_error("Unable to open gil_reference_checksums.txt"); | |
595 | ||
596 | test_image(local_name.c_str()); | |
7c673cae | 597 | |
92f5a8d4 TL |
598 | return EXIT_SUCCESS; |
599 | } | |
600 | catch (std::exception const& e) | |
601 | { | |
602 | std::cerr << e.what() << std::endl; | |
603 | return EXIT_FAILURE; | |
604 | } | |
605 | catch (...) | |
606 | { | |
607 | return EXIT_FAILURE; | |
608 | } | |
609 | } |