DGtal 1.3.0
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testImageCache.cpp File Reference
DGtal Test Files

A test file for ImageCache. More...

#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/images/ImageContainerBySTLVector.h"
#include "DGtal/images/ImageFactoryFromImage.h"
#include "DGtal/images/ImageCache.h"
#include "ConfigTest.h"

Go to the source code of this file.

Functions

bool testSimple ()
 
int main (int argc, char **argv)
 

Detailed Description

A test file for ImageCache.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Author
Martial Tola (marti.nosp@m.al.t.nosp@m.ola@l.nosp@m.iris.nosp@m..cnrs.nosp@m..fr ) Laboratoire d'InfoRmatique en Image et Systèmes d'information - LIRIS (CNRS, UMR 5205), CNRS, France
Date
2013/01/23

This file is part of the DGtal library.

Definition in file testImageCache.cpp.

Function Documentation

◆ main()

int main ( int  argc,
char **  argv 
)

Definition at line 296 of file testImageCache.cpp.

297{
298 trace.beginBlock ( "Testing class ImageCache" );
299 trace.info() << "Args:";
300 for ( int i = 0; i < argc; ++i )
301 trace.info() << " " << argv[ i ];
302 trace.info() << endl;
303
304 bool res = testSimple(); // && ... other tests
305
306 trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
307 trace.endBlock();
308 return res ? 0 : 1;
309}
DGtal::Trace::beginBlock
void beginBlock(const std::string &keyword="")
DGtal::Trace::emphase
std::ostream & emphase()
DGtal::Trace::info
std::ostream & info()
DGtal::Trace::endBlock
double endBlock()
DGtal::trace
Trace trace
Definition: Common.h:154
testSimple
bool testSimple()
Definition: testImageCache.cpp:50

References DGtal::Trace::beginBlock(), DGtal::Trace::emphase(), DGtal::Trace::endBlock(), DGtal::Trace::info(), testSimple(), and DGtal::trace.

◆ testSimple()

bool testSimple ( )

Definition at line 50 of file testImageCache.cpp.

51{
52 unsigned int nbok = 0;
53 unsigned int nb = 0;
54
55 trace.beginBlock("Testing simple ImageCache");
56
57 typedef ImageContainerBySTLVector<Z2i::Domain, int> VImage;
58
59 VImage image(Z2i::Domain(Z2i::Point(0,0), Z2i::Point(3,3)));
60 int i = 1;
61 for (VImage::Iterator it = image.begin(); it != image.end(); ++it)
62 *it = i++;
63
64 trace.info() << "ORIGINAL image: " << image << endl;
65
66 // 1) ImageFactoryFromImage
67 typedef ImageFactoryFromImage<VImage > MyImageFactoryFromImage;
68 MyImageFactoryFromImage factImage(image);
69
70 typedef MyImageFactoryFromImage::OutputImage OutputImage;
71
72 Z2i::Domain domain1(Z2i::Point(0,0), Z2i::Point(1,1));
73 OutputImage *image1 = factImage.requestImage(domain1);
74 OutputImage::ConstRange r1 = image1->constRange();
75 cout << "image1: "; std::copy( r1.begin(), r1.end(), std::ostream_iterator<int>(cout,", ") ); cout << endl;
76
77 Z2i::Domain domain1b(Z2i::Point(0,0), Z2i::Point(1,2));
78 OutputImage *image1b = factImage.requestImage(domain1b);
79 OutputImage::ConstRange r1b = image1b->constRange();
80 cout << "image1b: "; std::copy( r1b.begin(), r1b.end(), std::ostream_iterator<int>(cout,", ") ); cout << endl;
81
82 Z2i::Domain domain2(Z2i::Point(2,0), Z2i::Point(3,1));
83 OutputImage *image2 = factImage.requestImage(domain2);
84 OutputImage::ConstRange r2 = image2->constRange();
85 cout << "image2: "; std::copy( r2.begin(), r2.end(), std::ostream_iterator<int>(cout,", ") ); cout << endl;
86
87 Z2i::Domain domain3(Z2i::Point(0,2), Z2i::Point(1,3));
88 OutputImage *image3 = factImage.requestImage(domain3);
89 OutputImage::ConstRange r3 = image3->constRange();
90 cout << "image3: "; std::copy( r3.begin(), r3.end(), std::ostream_iterator<int>(cout,", ") ); cout << endl;
91
92 Z2i::Domain domain4(Z2i::Point(2,2), Z2i::Point(3,3));
93 OutputImage *image4 = factImage.requestImage(domain4);
94 OutputImage::ConstRange r4 = image4->constRange();
95 cout << "image4: "; std::copy( r4.begin(), r4.end(), std::ostream_iterator<int>(cout,", ") ); cout << endl;
96
97 // 2) ImageCache with DGtal::CACHE_READ_POLICY_LAST, DGtal::CACHE_WRITE_POLICY_WT
98 trace.info() << endl << "ImageCache with DGtal::CACHE_READ_POLICY_LAST, DGtal::CACHE_WRITE_POLICY_WT" << endl;
99
100 typedef ImageCacheReadPolicyLAST<OutputImage, MyImageFactoryFromImage> MyImageCacheReadPolicyLAST;
101 typedef ImageCacheWritePolicyWT<OutputImage, MyImageFactoryFromImage> MyImageCacheWritePolicyWT;
102 MyImageCacheReadPolicyLAST imageCacheReadPolicyLAST(factImage);
103 MyImageCacheWritePolicyWT imageCacheWritePolicyWT(factImage);
104
105 typedef ImageCache<OutputImage, MyImageFactoryFromImage, MyImageCacheReadPolicyLAST, MyImageCacheWritePolicyWT> MyImageCache;
106 MyImageCache imageCache(factImage, imageCacheReadPolicyLAST, imageCacheWritePolicyWT);
107 OutputImage::Value aValue;
108
109 trace.info() << "READING from cache (empty cache): " << imageCache << endl;
110 if (imageCache.read(Z2i::Point(2,2), aValue))
111 trace.info() << "READ: Point 2,2 is in an image from cache, value: " << aValue << endl;
112 else
113 trace.info() << "READ: Point 2,2 is not in an image from cache." << endl;
114 nbok += (imageCache.read(Z2i::Point(2,2), aValue) == false) ? 1 : 0;
115 nb++;
116
117 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
118
119 imageCache.update(domain1); // image1
120
121 trace.info() << "READING from cache (not empty but wrong domain): " << imageCache << endl;
122 if (imageCache.read(Z2i::Point(2,2), aValue))
123 trace.info() << "READ: Point 2,2 is in an image from cache, value: " << aValue << endl;
124 else
125 trace.info() << "READ: Point 2,2 is not in an image from cache." << endl;
126 nbok += (imageCache.read(Z2i::Point(2,2), aValue) == false) ? 1 : 0;
127 nb++;
128
129 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
130
131 imageCache.update(domain4); // image4
132
133 trace.info() << "READING from cache (not empty but good domain): " << imageCache << endl;
134 if (imageCache.read(Z2i::Point(2,2), aValue))
135 trace.info() << "READ: Point 2,2 is in an image from cache, value: " << aValue << endl;
136 else
137 trace.info() << "READ: Point 2,2 is not in an image from cache." << endl;
138 nbok += ( (imageCache.read(Z2i::Point(2,2), aValue) && (aValue == 11)) == true ) ? 1 : 0;
139 nb++;
140
141 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
142
143 trace.info() << "WRITING from cache (not empty but good domain): " << imageCache << endl;
144 aValue = 22;
145 if (imageCache.write(Z2i::Point(2,2), aValue))
146 trace.info() << "WRITE: Point 2,2 is in an image from cache, value: " << aValue << endl;
147 else
148 trace.info() << "WRITE: Point 2,2 is not in an image from cache." << endl;
149 nbok += ( (imageCache.read(Z2i::Point(2,2), aValue) && (aValue == 22)) == true ) ? 1 : 0;
150 nb++;
151
152 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
153
154 trace.info() << " AFTER WRITING: Point 2,2 on ORIGINAL image, value: " << image(Z2i::Point(2,2)) << endl;
155 nbok += (image(Z2i::Point(2,2)) == 22) ? 1 : 0;
156 nb++;
157
158 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
159
160 imageCache.update(domain3); // image3
161
162 trace.info() << "WRITING from cache (not empty but wrong domain): " << imageCache << endl;
163 aValue = 22;
164 if (imageCache.write(Z2i::Point(2,2), aValue))
165 trace.info() << "WRITE: Point 2,2 is in an image from cache, value: " << aValue << endl;
166 else
167 trace.info() << "WRITE: Point 2,2 is not in an image from cache." << endl;
168 nbok += (imageCache.read(Z2i::Point(2,2), aValue) == false) ? 1 : 0;
169 nb++;
170
171 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
172
173 imageCache.update(domain1); // image1
174
175 trace.info() << "WRITING from cache (not empty but good domain): " << imageCache << endl;
176 aValue = 7;
177 if (imageCache.write(Z2i::Point(0,0), aValue))
178 trace.info() << "WRITE: Point 0,0 is in an image from cache, value: " << aValue << endl;
179 else
180 trace.info() << "WRITE: Point 0,0 is not in an image from cache." << endl;
181 nbok += ( (imageCache.read(Z2i::Point(0,0), aValue) && (aValue == 7)) == true ) ? 1 : 0;
182 nb++;
183
184 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
185
186 trace.info() << " AFTER WRITING: Point 0,0 on ORIGINAL image, value: " << image(Z2i::Point(0,0)) << endl;
187 nbok += (image(Z2i::Point(0,0)) == 7) ? 1 : 0;
188 nb++;
189
190 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
191
192 // 3) ImageCache with DGtal::CACHE_READ_POLICY_LAST, DGtal::CACHE_WRITE_POLICY_WB
193 i = 1; // reinit image
194 for (VImage::Iterator it = image.begin(); it != image.end(); ++it)
195 *it = i++;
196
197 trace.info() << endl << "ImageCache with DGtal::CACHE_READ_POLICY_LAST, DGtal::CACHE_WRITE_POLICY_WB" << endl;
198
199 typedef ImageCacheWritePolicyWB<OutputImage, MyImageFactoryFromImage> MyImageCacheWritePolicyWB;
200 MyImageCacheWritePolicyWB imageCacheWritePolicyWB(factImage);
201
202 typedef ImageCache<OutputImage, MyImageFactoryFromImage, MyImageCacheReadPolicyLAST, MyImageCacheWritePolicyWB > MyImageCache2;
203 MyImageCache2 imageCache2(factImage, imageCacheReadPolicyLAST, imageCacheWritePolicyWB);
204
205 imageCache2.update(domain4); // image4
206
207 trace.info() << "WRITING from cache (not empty but good domain): " << imageCache2 << endl;
208 aValue = 22;
209 if (imageCache2.write(Z2i::Point(2,2), aValue))
210 trace.info() << "WRITE: Point 2,2 is in an image from cache, value: " << aValue << endl;
211 else
212 trace.info() << "WRITE: Point 2,2 is not in an image from cache." << endl;
213 nbok += ( (imageCache2.read(Z2i::Point(2,2), aValue) && (aValue == 22)) == true ) ? 1 : 0;
214 nb++;
215
216 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
217
218 trace.info() << " AFTER WRITING: Point 2,2 on ORIGINAL image, value: " << image(Z2i::Point(2,2)) << endl;
219 nbok += (image(Z2i::Point(2,2)) == 11) ? 1 : 0;
220 nb++;
221
222 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
223
224 imageCache2.update(domain3); // image3 - so flush domain4 (image4)
225
226 trace.info() << " AFTER FLUSHING: Point 2,2 on ORIGINAL image, value: " << image(Z2i::Point(2,2)) << endl;
227 nbok += (image(Z2i::Point(2,2)) == 22) ? 1 : 0;
228 nb++;
229
230 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
231
232 // 4) ImageCache with DGtal::CACHE_READ_POLICY_FIFO, DGtal::CACHE_WRITE_POLICY_WB
233 i = 1; // reinit image
234 for (VImage::Iterator it = image.begin(); it != image.end(); ++it)
235 *it = i++;
236
237 trace.info() << endl << "ImageCache with DGtal::CACHE_READ_POLICY_FIFO, DGtal::CACHE_WRITE_POLICY_WB" << endl;
238
239 typedef ImageCacheReadPolicyFIFO<OutputImage, MyImageFactoryFromImage> MyImageCacheReadPolicyFIFO;
240 MyImageCacheReadPolicyFIFO imageCacheReadPolicyFIFO(factImage, 3);
241
242 typedef ImageCache<OutputImage, MyImageFactoryFromImage, MyImageCacheReadPolicyFIFO, MyImageCacheWritePolicyWB > MyImageCache3;
243 MyImageCache3 imageCache3(factImage, imageCacheReadPolicyFIFO, imageCacheWritePolicyWB);
244
245 imageCache3.update(domain4); // image4
246
247 trace.info() << "WRITING from cache (not empty but good domain): " << imageCache3 << endl;
248 aValue = 22;
249 if (imageCache3.write(Z2i::Point(2,2), aValue))
250 trace.info() << "WRITE: Point 2,2 is in an image from cache, value: " << aValue << endl;
251 else
252 trace.info() << "WRITE: Point 2,2 is not in an image from cache." << endl;
253 nbok += ( (imageCache3.read(Z2i::Point(2,2), aValue) && (aValue == 22)) == true ) ? 1 : 0;
254 nb++;
255
256 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
257
258 trace.info() << " AFTER WRITING: Point 2,2 on ORIGINAL image, value: " << image(Z2i::Point(2,2)) << endl;
259 nbok += (image(Z2i::Point(2,2)) == 11) ? 1 : 0;
260 nb++;
261
262 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
263
264 imageCache3.update(domain3); // image3
265
266 trace.info() << " AFTER FLUSHING: Point 2,2 on ORIGINAL image, value: " << image(Z2i::Point(2,2)) << endl;
267 nbok += (image(Z2i::Point(2,2)) == 11) ? 1 : 0;
268 nb++;
269
270 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
271
272 imageCache3.update(domain2); // image2
273
274 trace.info() << " AFTER FLUSHING: Point 2,2 on ORIGINAL image, value: " << image(Z2i::Point(2,2)) << endl;
275 nbok += (image(Z2i::Point(2,2)) == 11) ? 1 : 0;
276 nb++;
277
278 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
279
280 imageCache3.update(domain1); // image1 - so flush domain4 (image4)
281
282 trace.info() << " AFTER FLUSHING: Point 2,2 on ORIGINAL image, value: " << image(Z2i::Point(2,2)) << endl;
283 nbok += (image(Z2i::Point(2,2)) == 22) ? 1 : 0;
284 nb++;
285
286 trace.info() << "(" << nbok << "/" << nb << ") " << endl;
287
288 trace.endBlock();
289
290 return nbok == nb;
291}
DGtal::ImageCacheReadPolicyFIFO
Aim: implements a 'FIFO' read policy cache.
Definition: ImageCachePolicies.h:183
DGtal::ImageCacheReadPolicyLAST
Aim: implements a 'LAST' read policy cache.
Definition: ImageCachePolicies.h:78
DGtal::ImageCacheWritePolicyWB
Aim: implements a 'WB (Write-back or Write-behind)' write policy cache.
Definition: ImageCachePolicies.h:363
DGtal::ImageCacheWritePolicyWT
Aim: implements a 'WT (Write-through)' write policy cache.
Definition: ImageCachePolicies.h:287
DGtal::ImageCache
Aim: implements an images cache with 'read and write' policies.
Definition: ImageCache.h:78
DGtal::ImageFactoryFromImage
Aim: implements a factory to produce images from a "bigger/original" one according to a given domain.
Definition: ImageFactoryFromImage.h:67

References DGtal::Trace::beginBlock(), DGtal::Trace::endBlock(), DGtal::Trace::info(), and DGtal::trace.

Referenced by main().

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