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feature_bmp.cpp
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1 /**********************************************************************
2 * File: feature_bmp.cpp
3 * Description: Implementation of the Bitmap Feature Class
4 * Author: Ahmad Abdulkader
5 * Created: 2007
6 *
7 * (C) Copyright 2008, Google Inc.
8 ** Licensed under the Apache License, Version 2.0 (the "License");
9 ** you may not use this file except in compliance with the License.
10 ** You may obtain a copy of the License at
11 ** http://www.apache.org/licenses/LICENSE-2.0
12 ** Unless required by applicable law or agreed to in writing, software
13 ** distributed under the License is distributed on an "AS IS" BASIS,
14 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 ** See the License for the specific language governing permissions and
16 ** limitations under the License.
17 *
18 **********************************************************************/
19
20 #include <stdio.h>
21 #include <stdlib.h>
22 #include <string>
23 #include "feature_base.h"
24 #include "feature_bmp.h"
25 #include "cube_utils.h"
26 #include "const.h"
27 #include "char_samp.h"
28
29 namespace tesseract {
30
31 FeatureBmp::FeatureBmp(TuningParams *params)
32 :FeatureBase(params) {
33 conv_grid_size_ = params->ConvGridSize();
34 }
35
36 FeatureBmp::~FeatureBmp() {
37 }
38
39 // Render a visualization of the features to a CharSamp.
40 // This is mainly used by visual-debuggers
41 CharSamp *FeatureBmp::ComputeFeatureBitmap(CharSamp *char_samp) {
42 return char_samp->Scale(conv_grid_size_, conv_grid_size_);
43 }
44
45 // Compute the features for a given CharSamp
46 bool FeatureBmp::ComputeFeatures(CharSamp *char_samp, float *features) {
47 return char_samp->ComputeFeatures(conv_grid_size_, features);
48 }
49 }
50