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Commit | Line | Data |
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6658905f | 1 | #include <iostream> |
2 | #include <QPainterPath> | |
3 | #include <QBrush> | |
4 | #include <QPen> | |
5 | #include <QTimer> | |
6 | #include <QCloseEvent> | |
7 | #include <QMouseEvent> | |
8 | #include <QKeyEvent> | |
9 | #include <math.h> | |
10 | #include <limits.h> | |
c86cc308 | 11 | #include <stdio.h> |
6658905f | 12 | #include "proxguiqt.h" |
13 | #include "proxgui.h" | |
14 | ||
15 | void ProxGuiQT::ShowGraphWindow(void) | |
16 | { | |
17 | emit ShowGraphWindowSignal(); | |
18 | } | |
19 | ||
20 | void ProxGuiQT::RepaintGraphWindow(void) | |
21 | { | |
22 | emit RepaintGraphWindowSignal(); | |
23 | } | |
24 | ||
25 | void ProxGuiQT::HideGraphWindow(void) | |
26 | { | |
27 | emit HideGraphWindowSignal(); | |
28 | } | |
29 | ||
30 | void ProxGuiQT::_ShowGraphWindow(void) | |
31 | { | |
32 | if(!plotapp) | |
33 | return; | |
34 | ||
35 | if (!plotwidget) | |
36 | plotwidget = new ProxWidget(); | |
37 | ||
38 | plotwidget->show(); | |
39 | } | |
40 | ||
41 | void ProxGuiQT::_RepaintGraphWindow(void) | |
42 | { | |
43 | if (!plotapp || !plotwidget) | |
44 | return; | |
45 | ||
46 | plotwidget->update(); | |
47 | } | |
48 | ||
49 | void ProxGuiQT::_HideGraphWindow(void) | |
50 | { | |
51 | if (!plotapp || !plotwidget) | |
52 | return; | |
53 | ||
54 | plotwidget->hide(); | |
55 | } | |
56 | ||
57 | void ProxGuiQT::MainLoop() | |
58 | { | |
59 | plotapp = new QApplication(argc, argv); | |
60 | ||
61 | connect(this, SIGNAL(ShowGraphWindowSignal()), this, SLOT(_ShowGraphWindow())); | |
62 | connect(this, SIGNAL(RepaintGraphWindowSignal()), this, SLOT(_RepaintGraphWindow())); | |
63 | connect(this, SIGNAL(HideGraphWindowSignal()), this, SLOT(_HideGraphWindow())); | |
64 | ||
65 | plotapp->exec(); | |
66 | } | |
67 | ||
68 | ProxGuiQT::ProxGuiQT(int argc, char **argv) : plotapp(NULL), plotwidget(NULL), | |
69 | argc(argc), argv(argv) | |
70 | { | |
71 | } | |
72 | ||
73 | ProxGuiQT::~ProxGuiQT(void) | |
74 | { | |
75 | if (plotwidget) { | |
76 | delete plotwidget; | |
77 | plotwidget = NULL; | |
78 | } | |
79 | ||
80 | if (plotapp) { | |
81 | plotapp->quit(); | |
82 | delete plotapp; | |
83 | plotapp = NULL; | |
84 | } | |
85 | } | |
86 | ||
87 | void ProxWidget::paintEvent(QPaintEvent *event) | |
88 | { | |
89 | QPainter painter(this); | |
f4434ad2 | 90 | QPainterPath penPath, whitePath, greyPath, lightgreyPath, cursorAPath, cursorBPath; |
6658905f | 91 | QRect r; |
92 | QBrush brush(QColor(100, 255, 100)); | |
93 | QPen pen(QColor(100, 255, 100)); | |
94 | ||
95 | painter.setFont(QFont("Arial", 10)); | |
96 | ||
97 | if(GraphStart < 0) { | |
98 | GraphStart = 0; | |
99 | } | |
100 | ||
0bf5872f | 101 | if (CursorAPos > GraphTraceLen) |
102 | CursorAPos= 0; | |
103 | if(CursorBPos > GraphTraceLen) | |
104 | CursorBPos= 0; | |
105 | ||
6658905f | 106 | r = rect(); |
107 | ||
108 | painter.fillRect(r, QColor(0, 0, 0)); | |
109 | ||
110 | whitePath.moveTo(r.left() + 40, r.top()); | |
111 | whitePath.lineTo(r.left() + 40, r.bottom()); | |
112 | ||
113 | int zeroHeight = r.top() + (r.bottom() - r.top()) / 2; | |
114 | ||
115 | greyPath.moveTo(r.left(), zeroHeight); | |
116 | greyPath.lineTo(r.right(), zeroHeight); | |
117 | painter.setPen(QColor(100, 100, 100)); | |
118 | painter.drawPath(greyPath); | |
f4434ad2 | 119 | |
120 | // plot X and Y grid lines | |
121 | int i; | |
122 | if ((PlotGridX > 0) && ((PlotGridX * GraphPixelsPerPoint) > 1)) { | |
ff8216cb | 123 | for(i = 40; i < r.right(); i += (int)(PlotGridX * GraphPixelsPerPoint)) { |
f4434ad2 | 124 | //SelectObject(hdc, GreyPenLite); |
125 | //MoveToEx(hdc, r.left + i, r.top, NULL); | |
126 | //LineTo(hdc, r.left + i, r.bottom); | |
127 | lightgreyPath.moveTo(r.left()+i,r.top()); | |
128 | lightgreyPath.lineTo(r.left()+i,r.bottom()); | |
129 | painter.drawPath(lightgreyPath); | |
130 | } | |
131 | } | |
132 | if ((PlotGridY > 0) && ((PlotGridY * GraphPixelsPerPoint) > 1)){ | |
133 | for(i = 0; i < ((r.top() + r.bottom())>>1); i += (int)(PlotGridY * GraphPixelsPerPoint)) { | |
ff8216cb | 134 | lightgreyPath.moveTo(r.left() + 40,zeroHeight + i); |
f4434ad2 | 135 | lightgreyPath.lineTo(r.right(),zeroHeight + i); |
136 | painter.drawPath(lightgreyPath); | |
ff8216cb | 137 | lightgreyPath.moveTo(r.left() + 40,zeroHeight - i); |
f4434ad2 | 138 | lightgreyPath.lineTo(r.right(),zeroHeight - i); |
139 | painter.drawPath(lightgreyPath); | |
140 | } | |
141 | } | |
6658905f | 142 | |
143 | int startMax = | |
144 | (GraphTraceLen - (int)((r.right() - r.left() - 40) / GraphPixelsPerPoint)); | |
145 | if(startMax < 0) { | |
146 | startMax = 0; | |
147 | } | |
148 | if(GraphStart > startMax) { | |
149 | GraphStart = startMax; | |
150 | } | |
151 | ||
152 | int absYMax = 1; | |
153 | ||
6658905f | 154 | for(i = GraphStart; ; i++) { |
155 | if(i >= GraphTraceLen) { | |
156 | break; | |
157 | } | |
158 | if(fabs((double)GraphBuffer[i]) > absYMax) { | |
159 | absYMax = (int)fabs((double)GraphBuffer[i]); | |
160 | } | |
161 | int x = 40 + (int)((i - GraphStart)*GraphPixelsPerPoint); | |
162 | if(x > r.right()) { | |
163 | break; | |
164 | } | |
165 | } | |
166 | ||
167 | absYMax = (int)(absYMax*1.2 + 1); | |
168 | ||
169 | // number of points that will be plotted | |
170 | int span = (int)((r.right() - r.left()) / GraphPixelsPerPoint); | |
171 | // one label every 100 pixels, let us say | |
172 | int labels = (r.right() - r.left() - 40) / 100; | |
173 | if(labels <= 0) labels = 1; | |
174 | int pointsPerLabel = span / labels; | |
175 | if(pointsPerLabel <= 0) pointsPerLabel = 1; | |
176 | ||
177 | int yMin = INT_MAX; | |
178 | int yMax = INT_MIN; | |
179 | int yMean = 0; | |
180 | int n = 0; | |
181 | ||
182 | for(i = GraphStart; ; i++) { | |
183 | if(i >= GraphTraceLen) { | |
184 | break; | |
185 | } | |
186 | int x = 40 + (int)((i - GraphStart)*GraphPixelsPerPoint); | |
187 | if(x > r.right() + GraphPixelsPerPoint) { | |
188 | break; | |
189 | } | |
190 | ||
191 | int y = GraphBuffer[i]; | |
192 | if(y < yMin) { | |
193 | yMin = y; | |
194 | } | |
195 | if(y > yMax) { | |
196 | yMax = y; | |
197 | } | |
198 | yMean += y; | |
199 | n++; | |
200 | ||
201 | y = (y * (r.top() - r.bottom()) / (2*absYMax)) + zeroHeight; | |
202 | if(i == GraphStart) { | |
203 | penPath.moveTo(x, y); | |
204 | } else { | |
205 | penPath.lineTo(x, y); | |
206 | } | |
207 | ||
208 | if(GraphPixelsPerPoint > 10) { | |
209 | QRect f(QPoint(x - 3, y - 3),QPoint(x + 3, y + 3)); | |
210 | painter.fillRect(f, brush); | |
211 | } | |
212 | ||
213 | if(((i - GraphStart) % pointsPerLabel == 0) && i != GraphStart) { | |
214 | whitePath.moveTo(x, zeroHeight - 3); | |
215 | whitePath.lineTo(x, zeroHeight + 3); | |
216 | ||
217 | char str[100]; | |
218 | sprintf(str, "+%d", (i - GraphStart)); | |
219 | ||
220 | painter.setPen(QColor(255, 255, 255)); | |
221 | QRect size; | |
222 | QFontMetrics metrics(painter.font()); | |
223 | size = metrics.boundingRect(str); | |
224 | painter.drawText(x - (size.right() - size.left()), zeroHeight + 9, str); | |
225 | ||
226 | penPath.moveTo(x,y); | |
227 | } | |
228 | ||
229 | if(i == CursorAPos || i == CursorBPos) { | |
230 | QPainterPath *cursorPath; | |
231 | ||
232 | if(i == CursorAPos) { | |
233 | cursorPath = &cursorAPath; | |
234 | } else { | |
235 | cursorPath = &cursorBPath; | |
236 | } | |
237 | cursorPath->moveTo(x, r.top()); | |
238 | cursorPath->lineTo(x, r.bottom()); | |
239 | penPath.moveTo(x, y); | |
240 | } | |
241 | } | |
242 | ||
243 | if(n != 0) { | |
244 | yMean /= n; | |
245 | } | |
246 | ||
247 | painter.setPen(QColor(255, 255, 255)); | |
248 | painter.drawPath(whitePath); | |
249 | painter.setPen(pen); | |
250 | painter.drawPath(penPath); | |
251 | painter.setPen(QColor(255, 255, 0)); | |
252 | painter.drawPath(cursorAPath); | |
253 | painter.setPen(QColor(255, 0, 255)); | |
254 | painter.drawPath(cursorBPath); | |
255 | ||
256 | char str[100]; | |
67b9b62a | 257 | sprintf(str, "@%d max=%d min=%d mean=%d n=%d/%d dt=%d [%.3f] zoom=%.3f CursorA=%d [%d] CursorB=%d [%d]", |
6658905f | 258 | GraphStart, yMax, yMin, yMean, n, GraphTraceLen, |
af2d53cb | 259 | CursorBPos - CursorAPos, (CursorBPos - CursorAPos)/CursorScaleFactor,GraphPixelsPerPoint,CursorAPos,GraphBuffer[CursorAPos],CursorBPos,GraphBuffer[CursorBPos]); |
6658905f | 260 | |
261 | painter.setPen(QColor(255, 255, 255)); | |
262 | painter.drawText(50, r.bottom() - 20, str); | |
263 | } | |
264 | ||
265 | ProxWidget::ProxWidget(QWidget *parent) : QWidget(parent), GraphStart(0), GraphPixelsPerPoint(1) | |
266 | { | |
267 | resize(600, 500); | |
268 | ||
269 | QPalette palette(QColor(0,0,0,0)); | |
270 | palette.setColor(QPalette::WindowText, QColor(255,255,255)); | |
271 | palette.setColor(QPalette::Text, QColor(255,255,255)); | |
272 | palette.setColor(QPalette::Button, QColor(100, 100, 100)); | |
273 | setPalette(palette); | |
274 | setAutoFillBackground(true); | |
275 | } | |
276 | ||
277 | void ProxWidget::closeEvent(QCloseEvent *event) | |
278 | { | |
279 | event->ignore(); | |
280 | this->hide(); | |
281 | } | |
282 | ||
283 | void ProxWidget::mouseMoveEvent(QMouseEvent *event) | |
284 | { | |
285 | int x = event->x(); | |
286 | x -= 40; | |
287 | x = (int)(x / GraphPixelsPerPoint); | |
288 | x += GraphStart; | |
289 | if((event->buttons() & Qt::LeftButton)) { | |
290 | CursorAPos = x; | |
291 | } else if (event->buttons() & Qt::RightButton) { | |
292 | CursorBPos = x; | |
293 | } | |
294 | ||
295 | ||
296 | this->update(); | |
297 | } | |
298 | ||
299 | void ProxWidget::keyPressEvent(QKeyEvent *event) | |
300 | { | |
301 | switch(event->key()) { | |
302 | case Qt::Key_Down: | |
303 | if(GraphPixelsPerPoint <= 50) { | |
304 | GraphPixelsPerPoint *= 2; | |
305 | } | |
306 | break; | |
307 | ||
308 | case Qt::Key_Up: | |
309 | if(GraphPixelsPerPoint >= 0.02) { | |
310 | GraphPixelsPerPoint /= 2; | |
311 | } | |
312 | break; | |
313 | ||
314 | case Qt::Key_Right: | |
315 | if(GraphPixelsPerPoint < 20) { | |
316 | GraphStart += (int)(20 / GraphPixelsPerPoint); | |
317 | } else { | |
318 | GraphStart++; | |
319 | } | |
320 | break; | |
321 | ||
322 | case Qt::Key_Left: | |
323 | if(GraphPixelsPerPoint < 20) { | |
324 | GraphStart -= (int)(20 / GraphPixelsPerPoint); | |
325 | } else { | |
326 | GraphStart--; | |
327 | } | |
328 | break; | |
329 | ||
330 | default: | |
331 | QWidget::keyPressEvent(event); | |
332 | return; | |
333 | break; | |
334 | } | |
335 | ||
336 | this->update(); | |
337 | } |