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comparison Framework/Widgets/WidgetBase.cpp @ 61:ca644004d2ee wasm

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MAJOR - removal of Start/Stop and observers in IWidget
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 10 May 2017 17:55:13 +0200
parents 25befef48c35
children bd48431ac285
comparison
equal deleted inserted replaced
60:288c948199e5 61:ca644004d2ee
25 #include "../../Resources/Orthanc/Core/Images/ImageProcessing.h" 25 #include "../../Resources/Orthanc/Core/Images/ImageProcessing.h"
26 #include "../../Resources/Orthanc/Core/Logging.h" 26 #include "../../Resources/Orthanc/Core/Logging.h"
27 27
28 namespace OrthancStone 28 namespace OrthancStone
29 { 29 {
30 void WidgetBase::NotifyChange()
31 {
32 if (parent_ != NULL)
33 {
34 parent_->NotifyChange();
35 }
36
37 if (viewport_ != NULL)
38 {
39 viewport_->NotifyChange(*this);
40 }
41 }
42
43
44 void WidgetBase::SetParent(IWidget& parent)
45 {
46 if (parent_ != NULL)
47 {
48 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
49 }
50 else
51 {
52 parent_ = &parent;
53 }
54 }
55
56
30 void WidgetBase::ClearBackgroundOrthanc(Orthanc::ImageAccessor& target) const 57 void WidgetBase::ClearBackgroundOrthanc(Orthanc::ImageAccessor& target) const
31 { 58 {
32 // Clear the background using Orthanc 59 // Clear the background using Orthanc
33 60
34 if (backgroundCleared_) 61 if (backgroundCleared_)
63 CairoContext context(surface); 90 CairoContext context(surface);
64 ClearBackgroundCairo(context); 91 ClearBackgroundCairo(context);
65 } 92 }
66 93
67 94
68 void WidgetBase::NotifyChange()
69 {
70 observers_.NotifyChange(this);
71 }
72
73
74 void WidgetBase::UpdateStatusBar(const std::string& message) 95 void WidgetBase::UpdateStatusBar(const std::string& message)
75 { 96 {
76 if (statusBar_ != NULL) 97 if (statusBar_ != NULL)
77 { 98 {
78 statusBar_->SetMessage(message); 99 statusBar_->SetMessage(message);
79 } 100 }
80 } 101 }
81 102
82 103
83 WidgetBase::WidgetBase() : 104 WidgetBase::WidgetBase() :
105 parent_(NULL),
106 viewport_(NULL),
84 statusBar_(NULL), 107 statusBar_(NULL),
85 started_(false),
86 backgroundCleared_(false) 108 backgroundCleared_(false)
87 { 109 {
88 backgroundColor_[0] = 0; 110 backgroundColor_[0] = 0;
89 backgroundColor_[1] = 0; 111 backgroundColor_[1] = 0;
90 backgroundColor_[2] = 0; 112 backgroundColor_[2] = 0;
91 } 113 }
92 114
93 115
116 void WidgetBase::SetViewport(IViewport& viewport)
117 {
118 if (viewport_ != NULL)
119 {
120 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
121 }
122 else
123 {
124 viewport_ = &viewport;
125 }
126 }
127
128
94 void WidgetBase::SetBackgroundColor(uint8_t red, 129 void WidgetBase::SetBackgroundColor(uint8_t red,
95 uint8_t green, 130 uint8_t green,
96 uint8_t blue) 131 uint8_t blue)
97 { 132 {
98 backgroundColor_[0] = red; 133 backgroundColor_[0] = red;
108 green = backgroundColor_[1]; 143 green = backgroundColor_[1];
109 blue = backgroundColor_[2]; 144 blue = backgroundColor_[2];
110 } 145 }
111 146
112 147
113 void WidgetBase::Register(IChangeObserver& observer)
114 {
115 if (started_)
116 {
117 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
118 }
119
120 observers_.Register(observer);
121 }
122
123
124 void WidgetBase::Unregister(IChangeObserver& observer)
125 {
126 if (started_)
127 {
128 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
129 }
130
131 observers_.Unregister(observer);
132 }
133
134
135 void WidgetBase::Start()
136 {
137 if (started_)
138 {
139 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
140 }
141 else
142 {
143 started_ = true;
144 }
145 }
146
147
148 void WidgetBase::Stop()
149 {
150 if (started_)
151 {
152 started_ = false;
153 }
154 else
155 {
156 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
157 }
158 }
159
160
161 bool WidgetBase::Render(Orthanc::ImageAccessor& surface) 148 bool WidgetBase::Render(Orthanc::ImageAccessor& surface)
162 { 149 {
163 if (!started_)
164 {
165 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
166 }
167
168 #if 0 150 #if 0
169 ClearBackgroundOrthanc(surface); 151 ClearBackgroundOrthanc(surface);
170 #else 152 #else
171 ClearBackgroundCairo(surface); // Faster than Orthanc 153 ClearBackgroundCairo(surface); // Faster than Orthanc
172 #endif 154 #endif