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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <cassert> | |
21 | ||
22 | #include <pv/data/decode/decoder.hpp> | |
23 | #include <pv/data/decode/row.hpp> | |
24 | #include <pv/data/decode/rowdata.hpp> | |
25 | ||
26 | using std::vector; | |
27 | ||
28 | namespace pv { | |
29 | namespace data { | |
30 | namespace decode { | |
31 | ||
32 | RowData::RowData(Row* row) : | |
33 | row_(row), | |
34 | prev_ann_start_sample_(0) | |
35 | { | |
36 | assert(row); | |
37 | } | |
38 | ||
39 | uint64_t RowData::get_max_sample() const | |
40 | { | |
41 | if (annotations_.empty()) | |
42 | return 0; | |
43 | return annotations_.back().end_sample(); | |
44 | } | |
45 | ||
46 | uint64_t RowData::get_annotation_count() const | |
47 | { | |
48 | return annotations_.size(); | |
49 | } | |
50 | ||
51 | void RowData::get_annotation_subset( | |
52 | vector<const pv::data::decode::Annotation*> &dest, | |
53 | uint64_t start_sample, uint64_t end_sample) const | |
54 | { | |
55 | // Determine whether we must apply per-class filtering or not | |
56 | bool all_ann_classes_enabled = true; | |
57 | bool all_ann_classes_disabled = true; | |
58 | ||
59 | uint32_t max_ann_class_id = 0; | |
60 | for (AnnotationClass* c : row_->ann_classes()) { | |
61 | if (!c->visible) | |
62 | all_ann_classes_enabled = false; | |
63 | else | |
64 | all_ann_classes_disabled = false; | |
65 | if (c->id > max_ann_class_id) | |
66 | max_ann_class_id = c->id; | |
67 | } | |
68 | ||
69 | if (all_ann_classes_enabled) { | |
70 | // No filtering, send everyting out as-is | |
71 | dest.reserve(dest.size() + annotations_.size()); | |
72 | for (const auto& annotation : annotations_) | |
73 | if ((annotation.end_sample() > start_sample) && | |
74 | (annotation.start_sample() <= end_sample)) | |
75 | dest.push_back(&annotation); | |
76 | } else { | |
77 | if (!all_ann_classes_disabled) { | |
78 | // Filter out invisible annotation classes | |
79 | vector<size_t> class_visible; | |
80 | class_visible.resize(max_ann_class_id + 1, 0); | |
81 | for (AnnotationClass* c : row_->ann_classes()) | |
82 | if (c->visible) | |
83 | class_visible[c->id] = 1; | |
84 | ||
85 | dest.reserve(dest.size() + annotations_.size()); | |
86 | for (const auto& annotation : annotations_) | |
87 | if ((class_visible[annotation.ann_class()]) && | |
88 | (annotation.end_sample() > start_sample) && | |
89 | (annotation.start_sample() <= end_sample)) | |
90 | dest.push_back(&annotation); | |
91 | } | |
92 | } | |
93 | } | |
94 | ||
95 | void RowData::emplace_annotation(srd_proto_data *pdata) | |
96 | { | |
97 | // We insert the annotation in a way so that the annotation list | |
98 | // is sorted by start sample. Otherwise, we'd have to sort when | |
99 | // painting, which is expensive | |
100 | ||
101 | if (pdata->start_sample < prev_ann_start_sample_) { | |
102 | // Find location to insert the annotation at | |
103 | ||
104 | auto it = annotations_.end(); | |
105 | do { | |
106 | it--; | |
107 | } while ((it->start_sample() > pdata->start_sample) && (it != annotations_.begin())); | |
108 | ||
109 | // Allow inserting at the front | |
110 | if (it != annotations_.begin()) | |
111 | it++; | |
112 | ||
113 | annotations_.insert(it, Annotation(pdata, row_)); | |
114 | } else { | |
115 | annotations_.emplace_back(pdata, row_); | |
116 | prev_ann_start_sample_ = pdata->start_sample; | |
117 | } | |
118 | } | |
119 | ||
120 | } // namespace decode | |
121 | } // namespace data | |
122 | } // namespace pv |