-
Notifications
You must be signed in to change notification settings - Fork 261
/
EffectBase.cpp
222 lines (186 loc) · 6.17 KB
/
EffectBase.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
/**
* @file
* @brief Source file for EffectBase class
* @author Jonathan Thomas <jonathan@openshot.org>
*
* @ref License
*/
/* LICENSE
*
* Copyright (c) 2008-2019 OpenShot Studios, LLC
* <http://www.openshotstudios.com/>. This file is part of
* OpenShot Library (libopenshot), an open-source project dedicated to
* delivering high quality video editing and animation solutions to the
* world. For more information visit <http://www.openshot.org/>.
*
* OpenShot Library (libopenshot) 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.
*
* OpenShot Library (libopenshot) 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "EffectBase.h"
#include "Exceptions.h"
#include "Timeline.h"
using namespace openshot;
// Initialize the values of the EffectInfo struct
void EffectBase::InitEffectInfo()
{
// Init clip settings
Position(0.0);
Layer(0);
Start(0.0);
End(0.0);
Order(0);
ParentClip(NULL);
parentEffect = NULL;
info.has_video = false;
info.has_audio = false;
info.has_tracked_object = false;
info.name = "";
info.description = "";
info.parent_effect_id = "None";
}
// Display file information
void EffectBase::DisplayInfo() {
std::cout << std::fixed << std::setprecision(2) << std::boolalpha;
std::cout << "----------------------------" << std::endl;
std::cout << "----- Effect Information -----" << std::endl;
std::cout << "----------------------------" << std::endl;
std::cout << "--> Name: " << info.name << std::endl;
std::cout << "--> Description: " << info.description << std::endl;
std::cout << "--> Has Video: " << info.has_video << std::endl;
std::cout << "--> Has Audio: " << info.has_audio << std::endl;
std::cout << "----------------------------" << std::endl;
}
// Constrain a color value from 0 to 255
int EffectBase::constrain(int color_value)
{
// Constrain new color from 0 to 255
if (color_value < 0)
color_value = 0;
else if (color_value > 255)
color_value = 255;
return color_value;
}
// Generate JSON string of this object
std::string EffectBase::Json() const {
// Return formatted string
return JsonValue().toStyledString();
}
// Generate Json::Value for this object
Json::Value EffectBase::JsonValue() const {
// Create root json object
Json::Value root = ClipBase::JsonValue(); // get parent properties
root["name"] = info.name;
root["class_name"] = info.class_name;
root["description"] = info.description;
root["parent_effect_id"] = info.parent_effect_id;
root["has_video"] = info.has_video;
root["has_audio"] = info.has_audio;
root["has_tracked_object"] = info.has_tracked_object;
root["order"] = Order();
// return JsonValue
return root;
}
// Load JSON string into this object
void EffectBase::SetJson(std::string value) {
// Parse JSON string into JSON objects
try
{
Json::Value root = openshot::stringToJson(value);
// Set all values that match
SetJsonValue(root);
}
catch (const std::exception& e)
{
// Error parsing JSON (or missing keys)
throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
}
}
// Load Json::Value into this object
void EffectBase::SetJsonValue(Json::Value root) {
if (ParentTimeline()){
// Get parent timeline
Timeline* parentTimeline = (Timeline *) ParentTimeline();
// Get the list of effects on the timeline
std::list<EffectBase*> effects = parentTimeline->ClipEffects();
// Loop through the effects
for (auto const& effect : effects){
// Set the properties of all effects which parentEffect points to this
if (effect->info.parent_effect_id == this->Id())
effect->SetJsonValue(root);
}
}
// Set this effect properties with the parent effect properties (except the id and parent_effect_id)
if (parentEffect){
root = parentEffect->JsonValue();
root["id"] = this->Id();
root["parent_effect_id"] = this->info.parent_effect_id;
}
// Set parent data
ClipBase::SetJsonValue(root);
// Set data from Json (if key is found)
if (!root["order"].isNull())
Order(root["order"].asInt());
if (!root["parent_effect_id"].isNull()){
info.parent_effect_id = root["parent_effect_id"].asString();
if (info.parent_effect_id.size() > 0 && info.parent_effect_id != "None" && parentEffect == NULL)
SetParentEffect(info.parent_effect_id);
else
parentEffect = NULL;
}
}
// Generate Json::Value for this object
Json::Value EffectBase::JsonInfo() const {
// Create root json object
Json::Value root;
root["name"] = info.name;
root["class_name"] = info.class_name;
root["description"] = info.description;
root["has_video"] = info.has_video;
root["has_audio"] = info.has_audio;
// return JsonValue
return root;
}
/// Parent clip object of this reader (which can be unparented and NULL)
openshot::ClipBase* EffectBase::ParentClip() {
return clip;
}
/// Set parent clip object of this reader
void EffectBase::ParentClip(openshot::ClipBase* new_clip) {
clip = new_clip;
}
// Set the parent effect from which this properties will be set to
void EffectBase::SetParentEffect(std::string parentEffect_id) {
// Get parent Timeline
Timeline* parentTimeline = (Timeline *) ParentTimeline();
if (parentTimeline){
// Get a pointer to the parentEffect
EffectBase* parentEffectPtr = parentTimeline->GetClipEffect(parentEffect_id);
if (parentEffectPtr){
// Set the parent Effect
parentEffect = parentEffectPtr;
// Set the properties of this effect with the parent effect's properties
Json::Value EffectJSON = parentEffect->JsonValue();
EffectJSON["id"] = this->Id();
EffectJSON["parent_effect_id"] = this->info.parent_effect_id;
this->SetJsonValue(EffectJSON);
}
}
return;
}
// Return the ID of this effect's parent clip
std::string EffectBase::ParentClipId() const{
if(clip)
return clip->Id();
else
return "None";
}