@@ -1,1242 +1,1244 | |||
|
1 | 1 | /****************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2015 The Qt Company Ltd. |
|
4 | 4 | ** Contact: http://www.qt.io/licensing/ |
|
5 | 5 | ** |
|
6 | 6 | ** This file is part of the Qt Charts module. |
|
7 | 7 | ** |
|
8 | 8 | ** $QT_BEGIN_LICENSE:COMM$ |
|
9 | 9 | ** |
|
10 | 10 | ** Commercial License Usage |
|
11 | 11 | ** Licensees holding valid commercial Qt licenses may use this file in |
|
12 | 12 | ** accordance with the commercial license agreement provided with the |
|
13 | 13 | ** Software or, alternatively, in accordance with the terms contained in |
|
14 | 14 | ** a written agreement between you and The Qt Company. For licensing terms |
|
15 | 15 | ** and conditions see http://www.qt.io/terms-conditions. For further |
|
16 | 16 | ** information use the contact form at http://www.qt.io/contact-us. |
|
17 | 17 | ** |
|
18 | 18 | ** $QT_END_LICENSE$ |
|
19 | 19 | ** |
|
20 | 20 | ******************************************************************************/ |
|
21 | 21 | |
|
22 | 22 | #include "declarativechart.h" |
|
23 | 23 | #include <QtGui/QPainter> |
|
24 | 24 | #include "declarativelineseries.h" |
|
25 | 25 | #include "declarativeareaseries.h" |
|
26 | 26 | #include "declarativebarseries.h" |
|
27 | 27 | #include "declarativepieseries.h" |
|
28 | 28 | #include "declarativesplineseries.h" |
|
29 | 29 | #include "declarativeboxplotseries.h" |
|
30 | 30 | #include "declarativescatterseries.h" |
|
31 | 31 | #include "declarativechartnode.h" |
|
32 | 32 | #include "declarativerendernode.h" |
|
33 | 33 | #include <QtCharts/QBarCategoryAxis> |
|
34 | 34 | #include <QtCharts/QValueAxis> |
|
35 | 35 | #include <QtCharts/QLogValueAxis> |
|
36 | 36 | #include <QtCharts/QCategoryAxis> |
|
37 | 37 | #include <private/qabstractseries_p.h> |
|
38 | 38 | #include "declarativemargins.h" |
|
39 | 39 | #include <private/chartdataset_p.h> |
|
40 | 40 | #include "declarativeaxes.h" |
|
41 | 41 | #include <private/qchart_p.h> |
|
42 | 42 | #include <private/chartpresenter_p.h> |
|
43 | 43 | #include <QtCharts/QPolarChart> |
|
44 | 44 | |
|
45 | 45 | #ifndef QT_ON_ARM |
|
46 | 46 | #include <QtCharts/QDateTimeAxis> |
|
47 | 47 | #endif |
|
48 | 48 | |
|
49 | 49 | #include <QtWidgets/QGraphicsSceneMouseEvent> |
|
50 | 50 | #include <QtWidgets/QGraphicsSceneHoverEvent> |
|
51 | 51 | #include <QtWidgets/QApplication> |
|
52 | 52 | #include <QtCore/QTimer> |
|
53 | 53 | #include <QtCore/QThread> |
|
54 | 54 | |
|
55 | 55 | QT_CHARTS_BEGIN_NAMESPACE |
|
56 | 56 | |
|
57 | 57 | /*! |
|
58 | 58 | \qmltype ChartView |
|
59 | 59 | \instantiates DeclarativeChart |
|
60 | 60 | \inqmlmodule QtCharts |
|
61 | 61 | |
|
62 | 62 | \brief Chart element. |
|
63 | 63 | |
|
64 | 64 | ChartView element is the parent that is responsible for showing different chart series types. |
|
65 | 65 | |
|
66 | 66 | The following QML shows how to create a simple chart with one pie series: |
|
67 | 67 | \snippet qmlpiechart/qml/qmlpiechart/main.qml 1 |
|
68 | 68 | \snippet qmlpiechart/qml/qmlpiechart/main.qml 2 |
|
69 | 69 | \snippet qmlpiechart/qml/qmlpiechart/main.qml 3 |
|
70 | 70 | |
|
71 | 71 | \beginfloatleft |
|
72 | 72 | \image examples_qmlpiechart.png |
|
73 | 73 | \endfloat |
|
74 | 74 | \clearfloat |
|
75 | 75 | */ |
|
76 | 76 | |
|
77 | 77 | /*! |
|
78 | 78 | \qmlproperty Theme ChartView::theme |
|
79 | 79 | Theme defines the visual appearance of the chart, including for example colors, fonts, line |
|
80 | 80 | widths and chart background. |
|
81 | 81 | */ |
|
82 | 82 | |
|
83 | 83 | /*! |
|
84 | 84 | \qmlproperty Animation ChartView::animationOptions |
|
85 | 85 | Animation configuration of the chart. One of ChartView.NoAnimation, ChartView.GridAxisAnimations, |
|
86 | 86 | ChartView.SeriesAnimations or ChartView.AllAnimations. |
|
87 | 87 | */ |
|
88 | 88 | |
|
89 | 89 | /*! |
|
90 | 90 | \qmlproperty int ChartView::animationDuration |
|
91 | 91 | The duration of the animation for the chart. |
|
92 | 92 | */ |
|
93 | 93 | |
|
94 | 94 | /*! |
|
95 | 95 | \qmlproperty easing ChartView::animationEasingCurve |
|
96 | 96 | The easing curve of the animation for the chart. |
|
97 | 97 | */ |
|
98 | 98 | |
|
99 | 99 | /*! |
|
100 | 100 | \qmlproperty Font ChartView::titleFont |
|
101 | 101 | The title font of the chart. |
|
102 | 102 | |
|
103 | 103 | See the Qt documentation for more details of Font. |
|
104 | 104 | */ |
|
105 | 105 | |
|
106 | 106 | /*! |
|
107 | 107 | \qmlproperty string ChartView::title |
|
108 | 108 | The title of the chart, shown on top of the chart. |
|
109 | 109 | \sa ChartView::titleColor |
|
110 | 110 | */ |
|
111 | 111 | |
|
112 | 112 | /*! |
|
113 | 113 | \qmlproperty color ChartView::titleColor |
|
114 | 114 | The color of the title text. |
|
115 | 115 | */ |
|
116 | 116 | |
|
117 | 117 | /*! |
|
118 | 118 | \qmlproperty Legend ChartView::legend |
|
119 | 119 | The legend of the chart. Legend lists all the series, pie slices and bar sets added on the chart. |
|
120 | 120 | */ |
|
121 | 121 | |
|
122 | 122 | /*! |
|
123 | 123 | \qmlproperty int ChartView::count |
|
124 | 124 | The count of series added to the chart. |
|
125 | 125 | */ |
|
126 | 126 | |
|
127 | 127 | /*! |
|
128 | 128 | \qmlproperty color ChartView::backgroundColor |
|
129 | 129 | The color of the chart's background. By default background color is defined by chart theme. |
|
130 | 130 | \sa ChartView::theme |
|
131 | 131 | */ |
|
132 | 132 | |
|
133 | 133 | /*! |
|
134 | 134 | \qmlproperty real ChartView::backgroundRoundness |
|
135 | 135 | The diameter of the rounding circle at the corners of the chart background. |
|
136 | 136 | */ |
|
137 | 137 | |
|
138 | 138 | /*! |
|
139 | 139 | \qmlproperty color ChartView::plotAreaColor |
|
140 | 140 | The color of the background of the chart's plot area. By default plot area background uses chart's |
|
141 | 141 | background color. |
|
142 | 142 | \sa ChartView::backgroundColor |
|
143 | 143 | */ |
|
144 | 144 | |
|
145 | 145 | /*! |
|
146 | 146 | \qmlproperty list<AbstractAxis> ChartView::axes |
|
147 | 147 | The axes of the ChartView. |
|
148 | 148 | */ |
|
149 | 149 | |
|
150 | 150 | /*! |
|
151 | 151 | \qmlproperty bool ChartView::dropShadowEnabled |
|
152 | 152 | The chart's border drop shadow. Set to true to enable drop shadow. |
|
153 | 153 | */ |
|
154 | 154 | |
|
155 | 155 | /*! |
|
156 | 156 | \qmlproperty rect ChartView::plotArea |
|
157 | 157 | The area on the ChartView that is used for drawing series. This is the ChartView rect without the |
|
158 | 158 | margins. |
|
159 | 159 | \sa ChartView::margins |
|
160 | 160 | */ |
|
161 | 161 | |
|
162 | 162 | /*! |
|
163 | 163 | \qmlproperty Margins ChartView::margins |
|
164 | 164 | The minimum margins allowed between the outer bounds and the plotArea of the ChartView. Margins |
|
165 | 165 | area of ChartView is used for drawing title, axes and legend. |
|
166 | 166 | */ |
|
167 | 167 | |
|
168 | 168 | /*! |
|
169 | 169 | \qmlproperty bool ChartView::localizeNumbers |
|
170 | 170 | \since QtCharts 2.0 |
|
171 | 171 | When \c{true}, all generated numbers appearing in various series and axis labels will be |
|
172 | 172 | localized using the default QLocale of the application, which defaults to the system locale. |
|
173 | 173 | When \c{false}, the "C" locale is always used. |
|
174 | 174 | Defaults to \c{false}. |
|
175 | 175 | |
|
176 | 176 | \sa locale |
|
177 | 177 | */ |
|
178 | 178 | |
|
179 | 179 | /*! |
|
180 | 180 | \qmlproperty locale ChartView::locale |
|
181 | 181 | \since QtCharts 2.0 |
|
182 | 182 | Sets the locale used to format various chart labels when localizeNumbers is \c{true}. |
|
183 | 183 | This also determines the locale used to format DateTimeAxis labels regardless of |
|
184 | 184 | localizeNumbers property. |
|
185 | 185 | Defaults to application default locale at the time the chart is constructed. |
|
186 | 186 | |
|
187 | 187 | \sa localizeNumbers |
|
188 | 188 | */ |
|
189 | 189 | |
|
190 | 190 | /*! |
|
191 | 191 | \qmlmethod AbstractSeries ChartView::series(int index) |
|
192 | 192 | Returns the series with \a index on the chart. This allows you to loop through the series of a chart together with |
|
193 | 193 | the count property of the chart. |
|
194 | 194 | */ |
|
195 | 195 | |
|
196 | 196 | /*! |
|
197 | 197 | \qmlmethod AbstractSeries ChartView::series(string name) |
|
198 | 198 | Returns the first series on the chart with \a name. If there is no series with that name, returns null. |
|
199 | 199 | */ |
|
200 | 200 | |
|
201 | 201 | /*! |
|
202 | 202 | \qmlmethod AbstractSeries ChartView::createSeries(SeriesType type, string name, AbstractAxis axisX, AbstractAxis axisY) |
|
203 | 203 | Creates a series object of \a type to the chart with name \a name, optional axis \a axisX and |
|
204 | 204 | optional axis \a axisY. For example: |
|
205 | 205 | \code |
|
206 | 206 | // lineSeries is a LineSeries object that has already been added to the ChartView; re-use it's axes |
|
207 | 207 | var myAxisX = chartView.axisX(lineSeries); |
|
208 | 208 | var myAxisY = chartView.axisY(lineSeries); |
|
209 | 209 | var scatter = chartView.createSeries(ChartView.SeriesTypeScatter, "scatter series", myAxisX, myAxisY); |
|
210 | 210 | \endcode |
|
211 | 211 | */ |
|
212 | 212 | |
|
213 | 213 | /*! |
|
214 | 214 | \qmlmethod ChartView::removeSeries(AbstractSeries series) |
|
215 | 215 | Removes the \a series from the chart. The series object is also destroyed. |
|
216 | 216 | */ |
|
217 | 217 | |
|
218 | 218 | /*! |
|
219 | 219 | \qmlmethod ChartView::removeAllSeries() |
|
220 | 220 | Removes all series from the chart. All the series objects are also destroyed. |
|
221 | 221 | */ |
|
222 | 222 | |
|
223 | 223 | /*! |
|
224 | 224 | \qmlmethod Axis ChartView::axisX(AbstractSeries series) |
|
225 | 225 | The x-axis of the series. |
|
226 | 226 | */ |
|
227 | 227 | |
|
228 | 228 | /*! |
|
229 | 229 | \qmlmethod ChartView::setAxisX(AbstractAxis axis, AbstractSeries series) |
|
230 | 230 | Set the x-axis of the series. |
|
231 | 231 | */ |
|
232 | 232 | |
|
233 | 233 | /*! |
|
234 | 234 | \qmlmethod Axis ChartView::axisY(AbstractSeries series) |
|
235 | 235 | The y-axis of the series. |
|
236 | 236 | */ |
|
237 | 237 | |
|
238 | 238 | /*! |
|
239 | 239 | \qmlmethod ChartView::setAxisY(AbstractAxis axis, AbstractSeries series) |
|
240 | 240 | Set the y-axis of the series. |
|
241 | 241 | */ |
|
242 | 242 | |
|
243 | 243 | /*! |
|
244 | 244 | \qmlmethod ChartView::zoom(real factor) |
|
245 | 245 | Zooms in by \a factor on the center of the chart. |
|
246 | 246 | |
|
247 | 247 | A factor over 1.0 zooms the view in and factor between 0.0 and 1.0 zooms out. |
|
248 | 248 | */ |
|
249 | 249 | |
|
250 | 250 | /*! |
|
251 | 251 | \qmlmethod ChartView::zoomIn() |
|
252 | 252 | Zooms in the view by a factor of two. |
|
253 | 253 | */ |
|
254 | 254 | |
|
255 | 255 | /*! |
|
256 | 256 | \qmlmethod ChartView::zoomIn(rect rectangle) |
|
257 | 257 | Zooms in the view to a maximum level at which \a rectangle is still fully visible. |
|
258 | 258 | \note This is not supported for polar charts. |
|
259 | 259 | */ |
|
260 | 260 | |
|
261 | 261 | /*! |
|
262 | 262 | \qmlmethod ChartView::zoomOut() |
|
263 | 263 | Zooms out the view by a factor of two. |
|
264 | 264 | */ |
|
265 | 265 | |
|
266 | 266 | /*! |
|
267 | 267 | \qmlmethod ChartView::zoomReset() |
|
268 | 268 | Resets the series domains to what they were before any zoom method was called. |
|
269 | 269 | Note that this will also reset any scrolls and explicit axis range settings done between |
|
270 | 270 | the first zoom operation and calling this method. If no zoom operation has been |
|
271 | 271 | done, this method does nothing. |
|
272 | 272 | */ |
|
273 | 273 | |
|
274 | 274 | /*! |
|
275 | 275 | \qmlmethod ChartView::isZoomed() |
|
276 | 276 | Returns true if any series has a zoomed domain. |
|
277 | 277 | */ |
|
278 | 278 | |
|
279 | 279 | /*! |
|
280 | 280 | \qmlmethod ChartView::scrollLeft(real pixels) |
|
281 | 281 | Scrolls to left by \a pixels. This is a convenience function that suits for example for key navigation. |
|
282 | 282 | */ |
|
283 | 283 | |
|
284 | 284 | /*! |
|
285 | 285 | \qmlmethod ChartView::scrollRight(real pixels) |
|
286 | 286 | Scrolls to right by \a pixels. This is a convenience function that suits for example for key navigation. |
|
287 | 287 | */ |
|
288 | 288 | |
|
289 | 289 | /*! |
|
290 | 290 | \qmlmethod ChartView::scrollUp(real pixels) |
|
291 | 291 | Scrolls up by \a pixels. This is a convenience function that suits for example for key navigation. |
|
292 | 292 | */ |
|
293 | 293 | |
|
294 | 294 | /*! |
|
295 | 295 | \qmlmethod ChartView::scrollDown(real pixels) |
|
296 | 296 | Scrolls down by \a pixels. This is a convenience function that suits for example for key navigation. |
|
297 | 297 | */ |
|
298 | 298 | |
|
299 | 299 | /*! |
|
300 | 300 | \qmlmethod point ChartView::mapToValue(point position, AbstractSeries series) |
|
301 | 301 | Returns the value in the \a series domain that corresponds to the \a position relative to the |
|
302 | 302 | chart. |
|
303 | 303 | */ |
|
304 | 304 | |
|
305 | 305 | /*! |
|
306 | 306 | \qmlmethod point ChartView::mapToPosition(point value, AbstractSeries series) |
|
307 | 307 | Returns the position on the chart that corresponds to the \a value in the \a series domain. |
|
308 | 308 | */ |
|
309 | 309 | |
|
310 | 310 | /*! |
|
311 | 311 | \qmlsignal ChartView::seriesAdded(AbstractSeries series) |
|
312 | 312 | The \a series has been added to the chart. |
|
313 | 313 | */ |
|
314 | 314 | |
|
315 | 315 | /*! |
|
316 | 316 | \qmlsignal ChartView::seriesRemoved(AbstractSeries series) |
|
317 | 317 | The \a series has been removed from the chart. Please note that \a series is no longer a valid |
|
318 | 318 | object after the signal handler has completed. |
|
319 | 319 | */ |
|
320 | 320 | |
|
321 | 321 | DeclarativeChart::DeclarativeChart(QQuickItem *parent) |
|
322 | 322 | : QQuickItem(parent) |
|
323 | 323 | { |
|
324 | 324 | initChart(QChart::ChartTypeCartesian); |
|
325 | 325 | } |
|
326 | 326 | |
|
327 | 327 | DeclarativeChart::DeclarativeChart(QChart::ChartType type, QQuickItem *parent) |
|
328 | 328 | : QQuickItem(parent) |
|
329 | 329 | { |
|
330 | 330 | initChart(type); |
|
331 | 331 | } |
|
332 | 332 | |
|
333 | 333 | void DeclarativeChart::initChart(QChart::ChartType type) |
|
334 | 334 | { |
|
335 | 335 | m_sceneImage = 0; |
|
336 | 336 | m_sceneImageDirty = false; |
|
337 | 337 | m_sceneImageNeedsClear = false; |
|
338 | 338 | m_guiThreadId = QThread::currentThreadId(); |
|
339 | 339 | m_paintThreadId = 0; |
|
340 | 340 | m_updatePending = false; |
|
341 | 341 | |
|
342 | 342 | setFlag(ItemHasContents, true); |
|
343 | 343 | |
|
344 | 344 | if (type == QChart::ChartTypePolar) |
|
345 | 345 | m_chart = new QPolarChart(); |
|
346 | 346 | else |
|
347 | 347 | m_chart = new QChart(); |
|
348 | 348 | |
|
349 | 349 | m_chart->d_ptr->m_presenter->glSetUseWidget(false); |
|
350 | 350 | m_glXYDataManager = m_chart->d_ptr->m_dataset->glXYSeriesDataManager(); |
|
351 | 351 | |
|
352 | 352 | m_scene = new QGraphicsScene(this); |
|
353 | 353 | m_scene->addItem(m_chart); |
|
354 | 354 | |
|
355 | 355 | setAntialiasing(QQuickItem::antialiasing()); |
|
356 | 356 | connect(m_scene, &QGraphicsScene::changed, this, &DeclarativeChart::sceneChanged); |
|
357 | 357 | connect(this, &DeclarativeChart::needRender, this, &DeclarativeChart::renderScene, |
|
358 | 358 | Qt::QueuedConnection); |
|
359 | 359 | connect(this, SIGNAL(antialiasingChanged(bool)), this, SLOT(handleAntialiasingChanged(bool))); |
|
360 | 360 | |
|
361 | 361 | setAcceptedMouseButtons(Qt::AllButtons); |
|
362 | 362 | setAcceptHoverEvents(true); |
|
363 | 363 | |
|
364 | 364 | m_margins = new DeclarativeMargins(this); |
|
365 | 365 | m_margins->setTop(m_chart->margins().top()); |
|
366 | 366 | m_margins->setLeft(m_chart->margins().left()); |
|
367 | 367 | m_margins->setRight(m_chart->margins().right()); |
|
368 | 368 | m_margins->setBottom(m_chart->margins().bottom()); |
|
369 | 369 | connect(m_margins, SIGNAL(topChanged(int,int,int,int)), |
|
370 | 370 | this, SLOT(changeMargins(int,int,int,int))); |
|
371 | 371 | connect(m_margins, SIGNAL(bottomChanged(int,int,int,int)), |
|
372 | 372 | this, SLOT(changeMargins(int,int,int,int))); |
|
373 | 373 | connect(m_margins, SIGNAL(leftChanged(int,int,int,int)), |
|
374 | 374 | this, SLOT(changeMargins(int,int,int,int))); |
|
375 | 375 | connect(m_margins, SIGNAL(rightChanged(int,int,int,int)), |
|
376 | 376 | this, SLOT(changeMargins(int,int,int,int))); |
|
377 | 377 | connect(m_chart->d_ptr->m_dataset, SIGNAL(seriesAdded(QAbstractSeries*)), this, SLOT(handleSeriesAdded(QAbstractSeries*))); |
|
378 | 378 | connect(m_chart->d_ptr->m_dataset, SIGNAL(seriesRemoved(QAbstractSeries*)), this, SIGNAL(seriesRemoved(QAbstractSeries*))); |
|
379 | 379 | connect(m_chart, &QChart::plotAreaChanged, this, &DeclarativeChart::plotAreaChanged); |
|
380 | 380 | } |
|
381 | 381 | |
|
382 | 382 | void DeclarativeChart::handleSeriesAdded(QAbstractSeries *series) |
|
383 | 383 | { |
|
384 | 384 | emit seriesAdded(series); |
|
385 | 385 | } |
|
386 | 386 | |
|
387 | 387 | void DeclarativeChart::changeMargins(int top, int bottom, int left, int right) |
|
388 | 388 | { |
|
389 | 389 | m_chart->setMargins(QMargins(left, top, right, bottom)); |
|
390 | 390 | emit marginsChanged(); |
|
391 | 391 | } |
|
392 | 392 | |
|
393 | 393 | DeclarativeChart::~DeclarativeChart() |
|
394 | 394 | { |
|
395 | 395 | delete m_chart; |
|
396 | 396 | delete m_sceneImage; |
|
397 | 397 | } |
|
398 | 398 | |
|
399 | 399 | void DeclarativeChart::childEvent(QChildEvent *event) |
|
400 | 400 | { |
|
401 | 401 | if (event->type() == QEvent::ChildAdded) { |
|
402 | 402 | if (qobject_cast<QAbstractSeries *>(event->child())) { |
|
403 | 403 | m_chart->addSeries(qobject_cast<QAbstractSeries *>(event->child())); |
|
404 | 404 | } |
|
405 | 405 | } |
|
406 | 406 | } |
|
407 | 407 | |
|
408 | 408 | void DeclarativeChart::componentComplete() |
|
409 | 409 | { |
|
410 | 410 | foreach (QObject *child, children()) { |
|
411 | 411 | if (qobject_cast<QAbstractSeries *>(child)) { |
|
412 | 412 | // Add series to the chart |
|
413 | 413 | QAbstractSeries *series = qobject_cast<QAbstractSeries *>(child); |
|
414 | 414 | m_chart->addSeries(series); |
|
415 | 415 | |
|
416 | 416 | // Connect to axis changed signals (unless this is a pie series) |
|
417 | 417 | if (!qobject_cast<DeclarativePieSeries *>(series)) { |
|
418 | 418 | connect(series, SIGNAL(axisXChanged(QAbstractAxis*)), this, SLOT(handleAxisXSet(QAbstractAxis*))); |
|
419 | 419 | connect(series, SIGNAL(axisXTopChanged(QAbstractAxis*)), this, SLOT(handleAxisXTopSet(QAbstractAxis*))); |
|
420 | 420 | connect(series, SIGNAL(axisYChanged(QAbstractAxis*)), this, SLOT(handleAxisYSet(QAbstractAxis*))); |
|
421 | 421 | connect(series, SIGNAL(axisYRightChanged(QAbstractAxis*)), this, SLOT(handleAxisYRightSet(QAbstractAxis*))); |
|
422 | 422 | } |
|
423 | 423 | |
|
424 | 424 | initializeAxes(series); |
|
425 | 425 | } |
|
426 | 426 | } |
|
427 | 427 | |
|
428 | 428 | QQuickItem::componentComplete(); |
|
429 | 429 | } |
|
430 | 430 | |
|
431 | 431 | void DeclarativeChart::seriesAxisAttachHelper(QAbstractSeries *series, QAbstractAxis *axis, |
|
432 | 432 | Qt::Orientations orientation, |
|
433 | 433 | Qt::Alignment alignment) |
|
434 | 434 | { |
|
435 | 435 | if (!series->attachedAxes().contains(axis)) { |
|
436 | 436 | // Remove & delete old axes that are not attached to any other series |
|
437 | 437 | foreach (QAbstractAxis* oldAxis, m_chart->axes(orientation, series)) { |
|
438 | 438 | bool otherAttachments = false; |
|
439 | 439 | if (oldAxis != axis) { |
|
440 | 440 | foreach (QAbstractSeries *oldSeries, m_chart->series()) { |
|
441 | 441 | if (oldSeries != series && oldSeries->attachedAxes().contains(oldAxis)) { |
|
442 | 442 | otherAttachments = true; |
|
443 | 443 | break; |
|
444 | 444 | } |
|
445 | 445 | } |
|
446 | 446 | if (!otherAttachments) { |
|
447 | 447 | m_chart->removeAxis(oldAxis); |
|
448 | 448 | delete oldAxis; |
|
449 | 449 | } |
|
450 | 450 | } |
|
451 | 451 | } |
|
452 | 452 | if (!m_chart->axes(orientation).contains(axis)) |
|
453 | 453 | m_chart->addAxis(axis, alignment); |
|
454 | 454 | |
|
455 | 455 | series->attachAxis(axis); |
|
456 | 456 | } |
|
457 | 457 | } |
|
458 | 458 | |
|
459 | 459 | void DeclarativeChart::handleAxisXSet(QAbstractAxis *axis) |
|
460 | 460 | { |
|
461 | 461 | QAbstractSeries *s = qobject_cast<QAbstractSeries *>(sender()); |
|
462 | 462 | if (axis && s) { |
|
463 | 463 | seriesAxisAttachHelper(s, axis, Qt::Horizontal, Qt::AlignBottom); |
|
464 | 464 | } else { |
|
465 | 465 | qWarning() << "Trying to set axisX to null."; |
|
466 | 466 | } |
|
467 | 467 | } |
|
468 | 468 | |
|
469 | 469 | void DeclarativeChart::handleAxisXTopSet(QAbstractAxis *axis) |
|
470 | 470 | { |
|
471 | 471 | QAbstractSeries *s = qobject_cast<QAbstractSeries *>(sender()); |
|
472 | 472 | if (axis && s) { |
|
473 | 473 | seriesAxisAttachHelper(s, axis, Qt::Horizontal, Qt::AlignTop); |
|
474 | 474 | } else { |
|
475 | 475 | qWarning() << "Trying to set axisXTop to null."; |
|
476 | 476 | } |
|
477 | 477 | } |
|
478 | 478 | |
|
479 | 479 | void DeclarativeChart::handleAxisYSet(QAbstractAxis *axis) |
|
480 | 480 | { |
|
481 | 481 | QAbstractSeries *s = qobject_cast<QAbstractSeries *>(sender()); |
|
482 | 482 | if (axis && s) { |
|
483 | 483 | seriesAxisAttachHelper(s, axis, Qt::Vertical, Qt::AlignLeft); |
|
484 | 484 | } else { |
|
485 | 485 | qWarning() << "Trying to set axisY to null."; |
|
486 | 486 | } |
|
487 | 487 | } |
|
488 | 488 | |
|
489 | 489 | void DeclarativeChart::handleAxisYRightSet(QAbstractAxis *axis) |
|
490 | 490 | { |
|
491 | 491 | QAbstractSeries *s = qobject_cast<QAbstractSeries *>(sender()); |
|
492 | 492 | if (axis && s) { |
|
493 | 493 | seriesAxisAttachHelper(s, axis, Qt::Vertical, Qt::AlignRight); |
|
494 | 494 | } else { |
|
495 | 495 | qWarning() << "Trying to set axisYRight to null."; |
|
496 | 496 | } |
|
497 | 497 | } |
|
498 | 498 | |
|
499 | 499 | void DeclarativeChart::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) |
|
500 | 500 | { |
|
501 | 501 | if (newGeometry.isValid()) { |
|
502 | 502 | if (newGeometry.width() > 0 && newGeometry.height() > 0) { |
|
503 | 503 | m_chart->resize(newGeometry.width(), newGeometry.height()); |
|
504 | 504 | } |
|
505 | 505 | } |
|
506 | 506 | QQuickItem::geometryChanged(newGeometry, oldGeometry); |
|
507 | 507 | } |
|
508 | 508 | |
|
509 | 509 | QSGNode *DeclarativeChart::updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *) |
|
510 | 510 | { |
|
511 | 511 | DeclarativeChartNode *node = static_cast<DeclarativeChartNode *>(oldNode); |
|
512 | 512 | |
|
513 | 513 | if (!node) { |
|
514 | 514 | node = new DeclarativeChartNode(window()); |
|
515 | connect(window(), &QQuickWindow::beforeRendering, | |
|
516 | node->glRenderNode(), &DeclarativeRenderNode::render); | |
|
515 | if (node->glRenderNode()) { | |
|
516 | connect(window(), &QQuickWindow::beforeRendering, | |
|
517 | node->glRenderNode(), &DeclarativeRenderNode::render); | |
|
518 | } | |
|
517 | 519 | } |
|
518 | 520 | |
|
519 | 521 | const QRectF &bRect = boundingRect(); |
|
520 | 522 | |
|
521 | 523 | // Update GL data |
|
522 | if (m_glXYDataManager->dataMap().size() || m_glXYDataManager->mapDirty()) { | |
|
524 | if (node->glRenderNode() && (m_glXYDataManager->dataMap().size() || m_glXYDataManager->mapDirty())) { | |
|
523 | 525 | const QRectF &plotArea = m_chart->plotArea(); |
|
524 | 526 | const QSizeF &chartAreaSize = m_chart->size(); |
|
525 | 527 | |
|
526 | 528 | // We can't use chart's plot area directly, as graphicscene has some internal minimum size |
|
527 | 529 | const qreal normalizedX = plotArea.x() / chartAreaSize.width(); |
|
528 | 530 | const qreal normalizedY = plotArea.y() / chartAreaSize.height(); |
|
529 | 531 | const qreal normalizedWidth = plotArea.width() / chartAreaSize.width(); |
|
530 | 532 | const qreal normalizedHeight = plotArea.height() / chartAreaSize.height(); |
|
531 | 533 | |
|
532 | 534 | QRectF adjustedPlotArea(normalizedX * bRect.width(), |
|
533 | 535 | normalizedY * bRect.height(), |
|
534 | 536 | normalizedWidth * bRect.width(), |
|
535 | 537 | normalizedHeight * bRect.height()); |
|
536 | 538 | |
|
537 | 539 | const QSize &adjustedPlotSize = adjustedPlotArea.size().toSize(); |
|
538 | 540 | if (adjustedPlotSize != node->glRenderNode()->textureSize()) |
|
539 | 541 | node->glRenderNode()->setTextureSize(adjustedPlotSize); |
|
540 | 542 | |
|
541 | 543 | node->glRenderNode()->setRect(adjustedPlotArea); |
|
542 | 544 | node->glRenderNode()->setSeriesData(m_glXYDataManager->mapDirty(), |
|
543 | 545 | m_glXYDataManager->dataMap()); |
|
544 | 546 | |
|
545 | 547 | // Clear dirty flags from original xy data |
|
546 | 548 | m_glXYDataManager->clearAllDirty(); |
|
547 | 549 | } |
|
548 | 550 | |
|
549 | 551 | // Copy chart (if dirty) to chart node |
|
550 | 552 | if (m_sceneImageDirty) { |
|
551 | 553 | node->createTextureFromImage(*m_sceneImage); |
|
552 | 554 | m_sceneImageDirty = false; |
|
553 | 555 | } |
|
554 | 556 | |
|
555 | 557 | node->setRect(bRect); |
|
556 | 558 | |
|
557 | 559 | return node; |
|
558 | 560 | } |
|
559 | 561 | |
|
560 | 562 | void DeclarativeChart::sceneChanged(QList<QRectF> region) |
|
561 | 563 | { |
|
562 | 564 | const int count = region.size(); |
|
563 | 565 | const qreal limitSize = 0.01; |
|
564 | 566 | if (count && !m_updatePending) { |
|
565 | 567 | qreal totalSize = 0.0; |
|
566 | 568 | for (int i = 0; i < count; i++) { |
|
567 | 569 | const QRectF ® = region.at(i); |
|
568 | 570 | totalSize += (reg.height() * reg.width()); |
|
569 | 571 | if (totalSize >= limitSize) |
|
570 | 572 | break; |
|
571 | 573 | } |
|
572 | 574 | // Ignore region updates that change less than small fraction of a pixel, as there is |
|
573 | 575 | // little point regenerating the image in these cases. These are typically cases |
|
574 | 576 | // where OpenGL series are drawn to otherwise static chart. |
|
575 | 577 | if (totalSize >= limitSize) { |
|
576 | 578 | m_updatePending = true; |
|
577 | 579 | // Do async render to avoid some unnecessary renders. |
|
578 | 580 | emit needRender(); |
|
579 | 581 | } else { |
|
580 | 582 | // We do want to call update to trigger possible gl series updates. |
|
581 | 583 | update(); |
|
582 | 584 | } |
|
583 | 585 | } |
|
584 | 586 | } |
|
585 | 587 | |
|
586 | 588 | void DeclarativeChart::renderScene() |
|
587 | 589 | { |
|
588 | 590 | m_updatePending = false; |
|
589 | 591 | m_sceneImageDirty = true; |
|
590 | 592 | QSize chartSize = m_chart->size().toSize(); |
|
591 | 593 | if (!m_sceneImage || chartSize != m_sceneImage->size()) { |
|
592 | 594 | delete m_sceneImage; |
|
593 | 595 | qreal dpr = window() ? window()->devicePixelRatio() : 1.0; |
|
594 | 596 | m_sceneImage = new QImage(chartSize * dpr, QImage::Format_ARGB32); |
|
595 | 597 | m_sceneImage->setDevicePixelRatio(dpr); |
|
596 | 598 | m_sceneImageNeedsClear = true; |
|
597 | 599 | } |
|
598 | 600 | |
|
599 | 601 | if (m_sceneImageNeedsClear) { |
|
600 | 602 | m_sceneImage->fill(Qt::transparent); |
|
601 | 603 | // Don't clear the flag if chart background has any transparent element to it |
|
602 | 604 | if (m_chart->backgroundBrush().color().alpha() == 0xff && !m_chart->isDropShadowEnabled()) |
|
603 | 605 | m_sceneImageNeedsClear = false; |
|
604 | 606 | } |
|
605 | 607 | QPainter painter(m_sceneImage); |
|
606 | 608 | if (antialiasing()) { |
|
607 | 609 | painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing |
|
608 | 610 | | QPainter::SmoothPixmapTransform); |
|
609 | 611 | } |
|
610 | 612 | QRect renderRect(QPoint(0, 0), chartSize); |
|
611 | 613 | m_scene->render(&painter, renderRect, renderRect); |
|
612 | 614 | update(); |
|
613 | 615 | } |
|
614 | 616 | |
|
615 | 617 | void DeclarativeChart::mousePressEvent(QMouseEvent *event) |
|
616 | 618 | { |
|
617 | 619 | m_mousePressScenePoint = event->pos(); |
|
618 | 620 | m_mousePressScreenPoint = event->globalPos(); |
|
619 | 621 | m_lastMouseMoveScenePoint = m_mousePressScenePoint; |
|
620 | 622 | m_lastMouseMoveScreenPoint = m_mousePressScreenPoint; |
|
621 | 623 | m_mousePressButton = event->button(); |
|
622 | 624 | m_mousePressButtons = event->buttons(); |
|
623 | 625 | |
|
624 | 626 | QGraphicsSceneMouseEvent mouseEvent(QEvent::GraphicsSceneMousePress); |
|
625 | 627 | mouseEvent.setWidget(0); |
|
626 | 628 | mouseEvent.setButtonDownScenePos(m_mousePressButton, m_mousePressScenePoint); |
|
627 | 629 | mouseEvent.setButtonDownScreenPos(m_mousePressButton, m_mousePressScreenPoint); |
|
628 | 630 | mouseEvent.setScenePos(m_mousePressScenePoint); |
|
629 | 631 | mouseEvent.setScreenPos(m_mousePressScreenPoint); |
|
630 | 632 | mouseEvent.setLastScenePos(m_lastMouseMoveScenePoint); |
|
631 | 633 | mouseEvent.setLastScreenPos(m_lastMouseMoveScreenPoint); |
|
632 | 634 | mouseEvent.setButtons(m_mousePressButtons); |
|
633 | 635 | mouseEvent.setButton(m_mousePressButton); |
|
634 | 636 | mouseEvent.setModifiers(event->modifiers()); |
|
635 | 637 | mouseEvent.setAccepted(false); |
|
636 | 638 | |
|
637 | 639 | QApplication::sendEvent(m_scene, &mouseEvent); |
|
638 | 640 | } |
|
639 | 641 | |
|
640 | 642 | void DeclarativeChart::mouseReleaseEvent(QMouseEvent *event) |
|
641 | 643 | { |
|
642 | 644 | QGraphicsSceneMouseEvent mouseEvent(QEvent::GraphicsSceneMouseRelease); |
|
643 | 645 | mouseEvent.setWidget(0); |
|
644 | 646 | mouseEvent.setButtonDownScenePos(m_mousePressButton, m_mousePressScenePoint); |
|
645 | 647 | mouseEvent.setButtonDownScreenPos(m_mousePressButton, m_mousePressScreenPoint); |
|
646 | 648 | mouseEvent.setScenePos(event->pos()); |
|
647 | 649 | mouseEvent.setScreenPos(event->globalPos()); |
|
648 | 650 | mouseEvent.setLastScenePos(m_lastMouseMoveScenePoint); |
|
649 | 651 | mouseEvent.setLastScreenPos(m_lastMouseMoveScreenPoint); |
|
650 | 652 | mouseEvent.setButtons(event->buttons()); |
|
651 | 653 | mouseEvent.setButton(event->button()); |
|
652 | 654 | mouseEvent.setModifiers(event->modifiers()); |
|
653 | 655 | mouseEvent.setAccepted(false); |
|
654 | 656 | |
|
655 | 657 | QApplication::sendEvent(m_scene, &mouseEvent); |
|
656 | 658 | |
|
657 | 659 | m_mousePressButtons = event->buttons(); |
|
658 | 660 | m_mousePressButton = Qt::NoButton; |
|
659 | 661 | } |
|
660 | 662 | |
|
661 | 663 | void DeclarativeChart::hoverMoveEvent(QHoverEvent *event) |
|
662 | 664 | { |
|
663 | 665 | // Convert hover move to mouse move, since we don't seem to get actual mouse move events. |
|
664 | 666 | // QGraphicsScene generates hover events from mouse move events, so we don't need |
|
665 | 667 | // to pass hover events there. |
|
666 | 668 | QGraphicsSceneMouseEvent mouseEvent(QEvent::GraphicsSceneMouseMove); |
|
667 | 669 | mouseEvent.setWidget(0); |
|
668 | 670 | mouseEvent.setButtonDownScenePos(m_mousePressButton, m_mousePressScenePoint); |
|
669 | 671 | mouseEvent.setButtonDownScreenPos(m_mousePressButton, m_mousePressScreenPoint); |
|
670 | 672 | mouseEvent.setScenePos(event->pos()); |
|
671 | 673 | // Hover events do not have global pos in them, and the screen position doesn't seem to |
|
672 | 674 | // matter anyway in this use case, so just pass event pos instead of trying to |
|
673 | 675 | // calculate the real screen position. |
|
674 | 676 | mouseEvent.setScreenPos(event->pos()); |
|
675 | 677 | mouseEvent.setLastScenePos(m_lastMouseMoveScenePoint); |
|
676 | 678 | mouseEvent.setLastScreenPos(m_lastMouseMoveScreenPoint); |
|
677 | 679 | mouseEvent.setButtons(m_mousePressButtons); |
|
678 | 680 | mouseEvent.setButton(m_mousePressButton); |
|
679 | 681 | mouseEvent.setModifiers(event->modifiers()); |
|
680 | 682 | m_lastMouseMoveScenePoint = mouseEvent.scenePos(); |
|
681 | 683 | m_lastMouseMoveScreenPoint = mouseEvent.screenPos(); |
|
682 | 684 | mouseEvent.setAccepted(false); |
|
683 | 685 | |
|
684 | 686 | QApplication::sendEvent(m_scene, &mouseEvent); |
|
685 | 687 | } |
|
686 | 688 | |
|
687 | 689 | void DeclarativeChart::mouseDoubleClickEvent(QMouseEvent *event) |
|
688 | 690 | { |
|
689 | 691 | m_mousePressScenePoint = event->pos(); |
|
690 | 692 | m_mousePressScreenPoint = event->globalPos(); |
|
691 | 693 | m_lastMouseMoveScenePoint = m_mousePressScenePoint; |
|
692 | 694 | m_lastMouseMoveScreenPoint = m_mousePressScreenPoint; |
|
693 | 695 | m_mousePressButton = event->button(); |
|
694 | 696 | m_mousePressButtons = event->buttons(); |
|
695 | 697 | |
|
696 | 698 | QGraphicsSceneMouseEvent mouseEvent(QEvent::GraphicsSceneMouseDoubleClick); |
|
697 | 699 | mouseEvent.setWidget(0); |
|
698 | 700 | mouseEvent.setButtonDownScenePos(m_mousePressButton, m_mousePressScenePoint); |
|
699 | 701 | mouseEvent.setButtonDownScreenPos(m_mousePressButton, m_mousePressScreenPoint); |
|
700 | 702 | mouseEvent.setScenePos(m_mousePressScenePoint); |
|
701 | 703 | mouseEvent.setScreenPos(m_mousePressScreenPoint); |
|
702 | 704 | mouseEvent.setLastScenePos(m_lastMouseMoveScenePoint); |
|
703 | 705 | mouseEvent.setLastScreenPos(m_lastMouseMoveScreenPoint); |
|
704 | 706 | mouseEvent.setButtons(m_mousePressButtons); |
|
705 | 707 | mouseEvent.setButton(m_mousePressButton); |
|
706 | 708 | mouseEvent.setModifiers(event->modifiers()); |
|
707 | 709 | mouseEvent.setAccepted(false); |
|
708 | 710 | |
|
709 | 711 | QApplication::sendEvent(m_scene, &mouseEvent); |
|
710 | 712 | } |
|
711 | 713 | |
|
712 | 714 | void DeclarativeChart::handleAntialiasingChanged(bool enable) |
|
713 | 715 | { |
|
714 | 716 | setAntialiasing(enable); |
|
715 | 717 | } |
|
716 | 718 | |
|
717 | 719 | void DeclarativeChart::setTheme(DeclarativeChart::Theme theme) |
|
718 | 720 | { |
|
719 | 721 | QChart::ChartTheme chartTheme = (QChart::ChartTheme) theme; |
|
720 | 722 | if (chartTheme != m_chart->theme()) |
|
721 | 723 | m_chart->setTheme(chartTheme); |
|
722 | 724 | } |
|
723 | 725 | |
|
724 | 726 | DeclarativeChart::Theme DeclarativeChart::theme() |
|
725 | 727 | { |
|
726 | 728 | return (DeclarativeChart::Theme) m_chart->theme(); |
|
727 | 729 | } |
|
728 | 730 | |
|
729 | 731 | void DeclarativeChart::setAnimationOptions(DeclarativeChart::Animation animations) |
|
730 | 732 | { |
|
731 | 733 | QChart::AnimationOption animationOptions = (QChart::AnimationOption) animations; |
|
732 | 734 | if (animationOptions != m_chart->animationOptions()) |
|
733 | 735 | m_chart->setAnimationOptions(animationOptions); |
|
734 | 736 | } |
|
735 | 737 | |
|
736 | 738 | DeclarativeChart::Animation DeclarativeChart::animationOptions() |
|
737 | 739 | { |
|
738 | 740 | if (m_chart->animationOptions().testFlag(QChart::AllAnimations)) |
|
739 | 741 | return DeclarativeChart::AllAnimations; |
|
740 | 742 | else if (m_chart->animationOptions().testFlag(QChart::GridAxisAnimations)) |
|
741 | 743 | return DeclarativeChart::GridAxisAnimations; |
|
742 | 744 | else if (m_chart->animationOptions().testFlag(QChart::SeriesAnimations)) |
|
743 | 745 | return DeclarativeChart::SeriesAnimations; |
|
744 | 746 | else |
|
745 | 747 | return DeclarativeChart::NoAnimation; |
|
746 | 748 | } |
|
747 | 749 | |
|
748 | 750 | void DeclarativeChart::setAnimationDuration(int msecs) |
|
749 | 751 | { |
|
750 | 752 | if (msecs != m_chart->animationDuration()) { |
|
751 | 753 | m_chart->setAnimationDuration(msecs); |
|
752 | 754 | emit animationDurationChanged(msecs); |
|
753 | 755 | } |
|
754 | 756 | } |
|
755 | 757 | |
|
756 | 758 | int DeclarativeChart::animationDuration() const |
|
757 | 759 | { |
|
758 | 760 | return m_chart->animationDuration(); |
|
759 | 761 | } |
|
760 | 762 | |
|
761 | 763 | void DeclarativeChart::setAnimationEasingCurve(const QEasingCurve &curve) |
|
762 | 764 | { |
|
763 | 765 | if (curve != m_chart->animationEasingCurve()) { |
|
764 | 766 | m_chart->setAnimationEasingCurve(curve); |
|
765 | 767 | emit animationEasingCurveChanged(curve); |
|
766 | 768 | } |
|
767 | 769 | } |
|
768 | 770 | |
|
769 | 771 | QEasingCurve DeclarativeChart::animationEasingCurve() const |
|
770 | 772 | { |
|
771 | 773 | return m_chart->animationEasingCurve(); |
|
772 | 774 | } |
|
773 | 775 | |
|
774 | 776 | void DeclarativeChart::setTitle(QString title) |
|
775 | 777 | { |
|
776 | 778 | if (title != m_chart->title()) |
|
777 | 779 | m_chart->setTitle(title); |
|
778 | 780 | } |
|
779 | 781 | QString DeclarativeChart::title() |
|
780 | 782 | { |
|
781 | 783 | return m_chart->title(); |
|
782 | 784 | } |
|
783 | 785 | |
|
784 | 786 | QAbstractAxis *DeclarativeChart::axisX(QAbstractSeries *series) |
|
785 | 787 | { |
|
786 | 788 | QList<QAbstractAxis *> axes = m_chart->axes(Qt::Horizontal, series); |
|
787 | 789 | if (axes.count()) |
|
788 | 790 | return axes[0]; |
|
789 | 791 | return 0; |
|
790 | 792 | } |
|
791 | 793 | |
|
792 | 794 | QAbstractAxis *DeclarativeChart::axisY(QAbstractSeries *series) |
|
793 | 795 | { |
|
794 | 796 | QList<QAbstractAxis *> axes = m_chart->axes(Qt::Vertical, series); |
|
795 | 797 | if (axes.count()) |
|
796 | 798 | return axes[0]; |
|
797 | 799 | return 0; |
|
798 | 800 | } |
|
799 | 801 | |
|
800 | 802 | QLegend *DeclarativeChart::legend() |
|
801 | 803 | { |
|
802 | 804 | return m_chart->legend(); |
|
803 | 805 | } |
|
804 | 806 | |
|
805 | 807 | void DeclarativeChart::setTitleColor(QColor color) |
|
806 | 808 | { |
|
807 | 809 | QBrush b = m_chart->titleBrush(); |
|
808 | 810 | if (color != b.color()) { |
|
809 | 811 | b.setColor(color); |
|
810 | 812 | m_chart->setTitleBrush(b); |
|
811 | 813 | emit titleColorChanged(color); |
|
812 | 814 | } |
|
813 | 815 | } |
|
814 | 816 | |
|
815 | 817 | QFont DeclarativeChart::titleFont() const |
|
816 | 818 | { |
|
817 | 819 | return m_chart->titleFont(); |
|
818 | 820 | } |
|
819 | 821 | |
|
820 | 822 | void DeclarativeChart::setTitleFont(const QFont &font) |
|
821 | 823 | { |
|
822 | 824 | m_chart->setTitleFont(font); |
|
823 | 825 | } |
|
824 | 826 | |
|
825 | 827 | QColor DeclarativeChart::titleColor() |
|
826 | 828 | { |
|
827 | 829 | return m_chart->titleBrush().color(); |
|
828 | 830 | } |
|
829 | 831 | |
|
830 | 832 | void DeclarativeChart::setBackgroundColor(QColor color) |
|
831 | 833 | { |
|
832 | 834 | QBrush b = m_chart->backgroundBrush(); |
|
833 | 835 | if (b.style() != Qt::SolidPattern || color != b.color()) { |
|
834 | 836 | if (color.alpha() < 0xff) |
|
835 | 837 | m_sceneImageNeedsClear = true; |
|
836 | 838 | b.setStyle(Qt::SolidPattern); |
|
837 | 839 | b.setColor(color); |
|
838 | 840 | m_chart->setBackgroundBrush(b); |
|
839 | 841 | emit backgroundColorChanged(); |
|
840 | 842 | } |
|
841 | 843 | } |
|
842 | 844 | |
|
843 | 845 | QColor DeclarativeChart::backgroundColor() |
|
844 | 846 | { |
|
845 | 847 | return m_chart->backgroundBrush().color(); |
|
846 | 848 | } |
|
847 | 849 | |
|
848 | 850 | void QtCharts::DeclarativeChart::setPlotAreaColor(QColor color) |
|
849 | 851 | { |
|
850 | 852 | QBrush b = m_chart->plotAreaBackgroundBrush(); |
|
851 | 853 | if (b.style() != Qt::SolidPattern || color != b.color()) { |
|
852 | 854 | b.setStyle(Qt::SolidPattern); |
|
853 | 855 | b.setColor(color); |
|
854 | 856 | m_chart->setPlotAreaBackgroundBrush(b); |
|
855 | 857 | m_chart->setPlotAreaBackgroundVisible(true); |
|
856 | 858 | emit plotAreaColorChanged(); |
|
857 | 859 | } |
|
858 | 860 | } |
|
859 | 861 | |
|
860 | 862 | QColor QtCharts::DeclarativeChart::plotAreaColor() |
|
861 | 863 | { |
|
862 | 864 | return m_chart->plotAreaBackgroundBrush().color(); |
|
863 | 865 | } |
|
864 | 866 | |
|
865 | 867 | void DeclarativeChart::setLocalizeNumbers(bool localize) |
|
866 | 868 | { |
|
867 | 869 | if (m_chart->localizeNumbers() != localize) { |
|
868 | 870 | m_chart->setLocalizeNumbers(localize); |
|
869 | 871 | emit localizeNumbersChanged(); |
|
870 | 872 | } |
|
871 | 873 | } |
|
872 | 874 | |
|
873 | 875 | bool DeclarativeChart::localizeNumbers() const |
|
874 | 876 | { |
|
875 | 877 | return m_chart->localizeNumbers(); |
|
876 | 878 | } |
|
877 | 879 | |
|
878 | 880 | void QtCharts::DeclarativeChart::setLocale(const QLocale &locale) |
|
879 | 881 | { |
|
880 | 882 | if (m_chart->locale() != locale) { |
|
881 | 883 | m_chart->setLocale(locale); |
|
882 | 884 | emit localeChanged(); |
|
883 | 885 | } |
|
884 | 886 | } |
|
885 | 887 | |
|
886 | 888 | QLocale QtCharts::DeclarativeChart::locale() const |
|
887 | 889 | { |
|
888 | 890 | return m_chart->locale(); |
|
889 | 891 | } |
|
890 | 892 | |
|
891 | 893 | int DeclarativeChart::count() |
|
892 | 894 | { |
|
893 | 895 | return m_chart->series().count(); |
|
894 | 896 | } |
|
895 | 897 | |
|
896 | 898 | void DeclarativeChart::setDropShadowEnabled(bool enabled) |
|
897 | 899 | { |
|
898 | 900 | if (enabled != m_chart->isDropShadowEnabled()) { |
|
899 | 901 | m_sceneImageNeedsClear = true; |
|
900 | 902 | m_chart->setDropShadowEnabled(enabled); |
|
901 | 903 | dropShadowEnabledChanged(enabled); |
|
902 | 904 | } |
|
903 | 905 | } |
|
904 | 906 | |
|
905 | 907 | bool DeclarativeChart::dropShadowEnabled() |
|
906 | 908 | { |
|
907 | 909 | return m_chart->isDropShadowEnabled(); |
|
908 | 910 | } |
|
909 | 911 | |
|
910 | 912 | qreal DeclarativeChart::backgroundRoundness() const |
|
911 | 913 | { |
|
912 | 914 | return m_chart->backgroundRoundness(); |
|
913 | 915 | } |
|
914 | 916 | |
|
915 | 917 | void DeclarativeChart::setBackgroundRoundness(qreal diameter) |
|
916 | 918 | { |
|
917 | 919 | if (m_chart->backgroundRoundness() != diameter) { |
|
918 | 920 | m_sceneImageNeedsClear = true; |
|
919 | 921 | m_chart->setBackgroundRoundness(diameter); |
|
920 | 922 | emit backgroundRoundnessChanged(diameter); |
|
921 | 923 | } |
|
922 | 924 | } |
|
923 | 925 | |
|
924 | 926 | void DeclarativeChart::zoom(qreal factor) |
|
925 | 927 | { |
|
926 | 928 | m_chart->zoom(factor); |
|
927 | 929 | } |
|
928 | 930 | |
|
929 | 931 | void DeclarativeChart::zoomIn() |
|
930 | 932 | { |
|
931 | 933 | m_chart->zoomIn(); |
|
932 | 934 | } |
|
933 | 935 | |
|
934 | 936 | void DeclarativeChart::zoomIn(const QRectF &rectangle) |
|
935 | 937 | { |
|
936 | 938 | m_chart->zoomIn(rectangle); |
|
937 | 939 | } |
|
938 | 940 | |
|
939 | 941 | void DeclarativeChart::zoomOut() |
|
940 | 942 | { |
|
941 | 943 | m_chart->zoomOut(); |
|
942 | 944 | } |
|
943 | 945 | |
|
944 | 946 | void DeclarativeChart::zoomReset() |
|
945 | 947 | { |
|
946 | 948 | m_chart->zoomReset(); |
|
947 | 949 | } |
|
948 | 950 | |
|
949 | 951 | bool DeclarativeChart::isZoomed() |
|
950 | 952 | { |
|
951 | 953 | return m_chart->isZoomed(); |
|
952 | 954 | } |
|
953 | 955 | |
|
954 | 956 | void DeclarativeChart::scrollLeft(qreal pixels) |
|
955 | 957 | { |
|
956 | 958 | m_chart->scroll(-pixels, 0); |
|
957 | 959 | } |
|
958 | 960 | |
|
959 | 961 | void DeclarativeChart::scrollRight(qreal pixels) |
|
960 | 962 | { |
|
961 | 963 | m_chart->scroll(pixels, 0); |
|
962 | 964 | } |
|
963 | 965 | |
|
964 | 966 | void DeclarativeChart::scrollUp(qreal pixels) |
|
965 | 967 | { |
|
966 | 968 | m_chart->scroll(0, pixels); |
|
967 | 969 | } |
|
968 | 970 | |
|
969 | 971 | void DeclarativeChart::scrollDown(qreal pixels) |
|
970 | 972 | { |
|
971 | 973 | m_chart->scroll(0, -pixels); |
|
972 | 974 | } |
|
973 | 975 | |
|
974 | 976 | QQmlListProperty<QAbstractAxis> DeclarativeChart::axes() |
|
975 | 977 | { |
|
976 | 978 | return QQmlListProperty<QAbstractAxis>(this, 0, |
|
977 | 979 | &DeclarativeChart::axesAppendFunc, |
|
978 | 980 | &DeclarativeChart::axesCountFunc, |
|
979 | 981 | &DeclarativeChart::axesAtFunc, |
|
980 | 982 | &DeclarativeChart::axesClearFunc); |
|
981 | 983 | } |
|
982 | 984 | |
|
983 | 985 | void DeclarativeChart::axesAppendFunc(QQmlListProperty<QAbstractAxis> *list, QAbstractAxis *element) |
|
984 | 986 | { |
|
985 | 987 | // Empty implementation |
|
986 | 988 | Q_UNUSED(list); |
|
987 | 989 | Q_UNUSED(element); |
|
988 | 990 | } |
|
989 | 991 | |
|
990 | 992 | int DeclarativeChart::axesCountFunc(QQmlListProperty<QAbstractAxis> *list) |
|
991 | 993 | { |
|
992 | 994 | if (qobject_cast<DeclarativeChart *>(list->object)) { |
|
993 | 995 | DeclarativeChart *chart = qobject_cast<DeclarativeChart *>(list->object); |
|
994 | 996 | return chart->m_chart->axes(Qt::Horizontal | Qt::Vertical).count(); |
|
995 | 997 | } |
|
996 | 998 | return 0; |
|
997 | 999 | } |
|
998 | 1000 | |
|
999 | 1001 | QAbstractAxis *DeclarativeChart::axesAtFunc(QQmlListProperty<QAbstractAxis> *list, int index) |
|
1000 | 1002 | { |
|
1001 | 1003 | if (qobject_cast<DeclarativeChart *>(list->object)) { |
|
1002 | 1004 | DeclarativeChart *chart = qobject_cast<DeclarativeChart *>(list->object); |
|
1003 | 1005 | QList<QAbstractAxis *> axes = chart->m_chart->axes(Qt::Horizontal | Qt::Vertical, chart->m_chart->series()[0]); |
|
1004 | 1006 | return axes.at(index); |
|
1005 | 1007 | } |
|
1006 | 1008 | return 0; |
|
1007 | 1009 | } |
|
1008 | 1010 | |
|
1009 | 1011 | void DeclarativeChart::axesClearFunc(QQmlListProperty<QAbstractAxis> *list) |
|
1010 | 1012 | { |
|
1011 | 1013 | // Empty implementation |
|
1012 | 1014 | Q_UNUSED(list); |
|
1013 | 1015 | } |
|
1014 | 1016 | |
|
1015 | 1017 | |
|
1016 | 1018 | QAbstractSeries *DeclarativeChart::series(int index) |
|
1017 | 1019 | { |
|
1018 | 1020 | if (index < m_chart->series().count()) { |
|
1019 | 1021 | return m_chart->series().at(index); |
|
1020 | 1022 | } |
|
1021 | 1023 | return 0; |
|
1022 | 1024 | } |
|
1023 | 1025 | |
|
1024 | 1026 | QAbstractSeries *DeclarativeChart::series(QString seriesName) |
|
1025 | 1027 | { |
|
1026 | 1028 | foreach (QAbstractSeries *series, m_chart->series()) { |
|
1027 | 1029 | if (series->name() == seriesName) |
|
1028 | 1030 | return series; |
|
1029 | 1031 | } |
|
1030 | 1032 | return 0; |
|
1031 | 1033 | } |
|
1032 | 1034 | |
|
1033 | 1035 | QAbstractSeries *DeclarativeChart::createSeries(int type, QString name, QAbstractAxis *axisX, QAbstractAxis *axisY) |
|
1034 | 1036 | { |
|
1035 | 1037 | QAbstractSeries *series = 0; |
|
1036 | 1038 | |
|
1037 | 1039 | switch (type) { |
|
1038 | 1040 | case DeclarativeChart::SeriesTypeLine: |
|
1039 | 1041 | series = new DeclarativeLineSeries(); |
|
1040 | 1042 | break; |
|
1041 | 1043 | case DeclarativeChart::SeriesTypeArea: { |
|
1042 | 1044 | DeclarativeAreaSeries *area = new DeclarativeAreaSeries(); |
|
1043 | 1045 | DeclarativeLineSeries *line = new DeclarativeLineSeries(); |
|
1044 | 1046 | line->setParent(area); |
|
1045 | 1047 | area->setUpperSeries(line); |
|
1046 | 1048 | series = area; |
|
1047 | 1049 | break; |
|
1048 | 1050 | } |
|
1049 | 1051 | case DeclarativeChart::SeriesTypeStackedBar: |
|
1050 | 1052 | series = new DeclarativeStackedBarSeries(); |
|
1051 | 1053 | break; |
|
1052 | 1054 | case DeclarativeChart::SeriesTypePercentBar: |
|
1053 | 1055 | series = new DeclarativePercentBarSeries(); |
|
1054 | 1056 | break; |
|
1055 | 1057 | case DeclarativeChart::SeriesTypeBar: |
|
1056 | 1058 | series = new DeclarativeBarSeries(); |
|
1057 | 1059 | break; |
|
1058 | 1060 | case DeclarativeChart::SeriesTypeHorizontalBar: |
|
1059 | 1061 | series = new DeclarativeHorizontalBarSeries(); |
|
1060 | 1062 | break; |
|
1061 | 1063 | case DeclarativeChart::SeriesTypeHorizontalPercentBar: |
|
1062 | 1064 | series = new DeclarativeHorizontalPercentBarSeries(); |
|
1063 | 1065 | break; |
|
1064 | 1066 | case DeclarativeChart::SeriesTypeHorizontalStackedBar: |
|
1065 | 1067 | series = new DeclarativeHorizontalStackedBarSeries(); |
|
1066 | 1068 | break; |
|
1067 | 1069 | case DeclarativeChart::SeriesTypeBoxPlot: |
|
1068 | 1070 | series = new DeclarativeBoxPlotSeries(); |
|
1069 | 1071 | break; |
|
1070 | 1072 | case DeclarativeChart::SeriesTypePie: |
|
1071 | 1073 | series = new DeclarativePieSeries(); |
|
1072 | 1074 | break; |
|
1073 | 1075 | case DeclarativeChart::SeriesTypeScatter: |
|
1074 | 1076 | series = new DeclarativeScatterSeries(); |
|
1075 | 1077 | break; |
|
1076 | 1078 | case DeclarativeChart::SeriesTypeSpline: |
|
1077 | 1079 | series = new DeclarativeSplineSeries(); |
|
1078 | 1080 | break; |
|
1079 | 1081 | default: |
|
1080 | 1082 | qWarning() << "Illegal series type"; |
|
1081 | 1083 | } |
|
1082 | 1084 | |
|
1083 | 1085 | if (series) { |
|
1084 | 1086 | // Connect to axis changed signals (unless this is a pie series) |
|
1085 | 1087 | if (!qobject_cast<DeclarativePieSeries *>(series)) { |
|
1086 | 1088 | connect(series, SIGNAL(axisXChanged(QAbstractAxis*)), this, SLOT(handleAxisXSet(QAbstractAxis*))); |
|
1087 | 1089 | connect(series, SIGNAL(axisXTopChanged(QAbstractAxis*)), this, SLOT(handleAxisXSet(QAbstractAxis*))); |
|
1088 | 1090 | connect(series, SIGNAL(axisYChanged(QAbstractAxis*)), this, SLOT(handleAxisYSet(QAbstractAxis*))); |
|
1089 | 1091 | connect(series, SIGNAL(axisYRightChanged(QAbstractAxis*)), this, SLOT(handleAxisYRightSet(QAbstractAxis*))); |
|
1090 | 1092 | } |
|
1091 | 1093 | |
|
1092 | 1094 | series->setName(name); |
|
1093 | 1095 | m_chart->addSeries(series); |
|
1094 | 1096 | |
|
1095 | 1097 | if (!axisX || !axisY) |
|
1096 | 1098 | initializeAxes(series); |
|
1097 | 1099 | |
|
1098 | 1100 | if (axisX) |
|
1099 | 1101 | setAxisX(axisX, series); |
|
1100 | 1102 | if (axisY) |
|
1101 | 1103 | setAxisY(axisY, series); |
|
1102 | 1104 | } |
|
1103 | 1105 | |
|
1104 | 1106 | return series; |
|
1105 | 1107 | } |
|
1106 | 1108 | |
|
1107 | 1109 | void DeclarativeChart::removeSeries(QAbstractSeries *series) |
|
1108 | 1110 | { |
|
1109 | 1111 | if (series) |
|
1110 | 1112 | m_chart->removeSeries(series); |
|
1111 | 1113 | else |
|
1112 | 1114 | qWarning("removeSeries: cannot remove null"); |
|
1113 | 1115 | } |
|
1114 | 1116 | |
|
1115 | 1117 | void DeclarativeChart::setAxisX(QAbstractAxis *axis, QAbstractSeries *series) |
|
1116 | 1118 | { |
|
1117 | 1119 | if (axis && series) |
|
1118 | 1120 | seriesAxisAttachHelper(series, axis, Qt::Horizontal, Qt::AlignBottom); |
|
1119 | 1121 | } |
|
1120 | 1122 | |
|
1121 | 1123 | void DeclarativeChart::setAxisY(QAbstractAxis *axis, QAbstractSeries *series) |
|
1122 | 1124 | { |
|
1123 | 1125 | if (axis && series) |
|
1124 | 1126 | seriesAxisAttachHelper(series, axis, Qt::Vertical, Qt::AlignLeft); |
|
1125 | 1127 | } |
|
1126 | 1128 | |
|
1127 | 1129 | QAbstractAxis *DeclarativeChart::defaultAxis(Qt::Orientation orientation, QAbstractSeries *series) |
|
1128 | 1130 | { |
|
1129 | 1131 | if (!series) { |
|
1130 | 1132 | qWarning() << "No axis type defined for null series"; |
|
1131 | 1133 | return 0; |
|
1132 | 1134 | } |
|
1133 | 1135 | |
|
1134 | 1136 | foreach (QAbstractAxis *existingAxis, m_chart->axes(orientation)) { |
|
1135 | 1137 | if (existingAxis->type() == series->d_ptr->defaultAxisType(orientation)) |
|
1136 | 1138 | return existingAxis; |
|
1137 | 1139 | } |
|
1138 | 1140 | |
|
1139 | 1141 | switch (series->d_ptr->defaultAxisType(orientation)) { |
|
1140 | 1142 | case QAbstractAxis::AxisTypeValue: |
|
1141 | 1143 | return new QValueAxis(this); |
|
1142 | 1144 | case QAbstractAxis::AxisTypeBarCategory: |
|
1143 | 1145 | return new QBarCategoryAxis(this); |
|
1144 | 1146 | case QAbstractAxis::AxisTypeCategory: |
|
1145 | 1147 | return new QCategoryAxis(this); |
|
1146 | 1148 | #ifndef QT_ON_ARM |
|
1147 | 1149 | case QAbstractAxis::AxisTypeDateTime: |
|
1148 | 1150 | return new QDateTimeAxis(this); |
|
1149 | 1151 | #endif |
|
1150 | 1152 | case QAbstractAxis::AxisTypeLogValue: |
|
1151 | 1153 | return new QLogValueAxis(this); |
|
1152 | 1154 | default: |
|
1153 | 1155 | // assume AxisTypeNoAxis |
|
1154 | 1156 | return 0; |
|
1155 | 1157 | } |
|
1156 | 1158 | } |
|
1157 | 1159 | |
|
1158 | 1160 | void DeclarativeChart::initializeAxes(QAbstractSeries *series) |
|
1159 | 1161 | { |
|
1160 | 1162 | if (qobject_cast<DeclarativeLineSeries *>(series)) |
|
1161 | 1163 | doInitializeAxes(series, qobject_cast<DeclarativeLineSeries *>(series)->m_axes); |
|
1162 | 1164 | else if (qobject_cast<DeclarativeScatterSeries *>(series)) |
|
1163 | 1165 | doInitializeAxes(series, qobject_cast<DeclarativeScatterSeries *>(series)->m_axes); |
|
1164 | 1166 | else if (qobject_cast<DeclarativeSplineSeries *>(series)) |
|
1165 | 1167 | doInitializeAxes(series, qobject_cast<DeclarativeSplineSeries *>(series)->m_axes); |
|
1166 | 1168 | else if (qobject_cast<DeclarativeAreaSeries *>(series)) |
|
1167 | 1169 | doInitializeAxes(series, qobject_cast<DeclarativeAreaSeries *>(series)->m_axes); |
|
1168 | 1170 | else if (qobject_cast<DeclarativeBarSeries *>(series)) |
|
1169 | 1171 | doInitializeAxes(series, qobject_cast<DeclarativeBarSeries *>(series)->m_axes); |
|
1170 | 1172 | else if (qobject_cast<DeclarativeStackedBarSeries *>(series)) |
|
1171 | 1173 | doInitializeAxes(series, qobject_cast<DeclarativeStackedBarSeries *>(series)->m_axes); |
|
1172 | 1174 | else if (qobject_cast<DeclarativePercentBarSeries *>(series)) |
|
1173 | 1175 | doInitializeAxes(series, qobject_cast<DeclarativePercentBarSeries *>(series)->m_axes); |
|
1174 | 1176 | else if (qobject_cast<DeclarativeHorizontalBarSeries *>(series)) |
|
1175 | 1177 | doInitializeAxes(series, qobject_cast<DeclarativeHorizontalBarSeries *>(series)->m_axes); |
|
1176 | 1178 | else if (qobject_cast<DeclarativeHorizontalStackedBarSeries *>(series)) |
|
1177 | 1179 | doInitializeAxes(series, qobject_cast<DeclarativeHorizontalStackedBarSeries *>(series)->m_axes); |
|
1178 | 1180 | else if (qobject_cast<DeclarativeHorizontalPercentBarSeries *>(series)) |
|
1179 | 1181 | doInitializeAxes(series, qobject_cast<DeclarativeHorizontalPercentBarSeries *>(series)->m_axes); |
|
1180 | 1182 | else if (qobject_cast<DeclarativeBoxPlotSeries *>(series)) |
|
1181 | 1183 | doInitializeAxes(series, qobject_cast<DeclarativeBoxPlotSeries *>(series)->m_axes); |
|
1182 | 1184 | // else: do nothing |
|
1183 | 1185 | } |
|
1184 | 1186 | |
|
1185 | 1187 | void DeclarativeChart::doInitializeAxes(QAbstractSeries *series, DeclarativeAxes *axes) |
|
1186 | 1188 | { |
|
1187 | 1189 | qreal min; |
|
1188 | 1190 | qreal max; |
|
1189 | 1191 | // Initialize axis X |
|
1190 | 1192 | if (axes->axisX()) { |
|
1191 | 1193 | axes->emitAxisXChanged(); |
|
1192 | 1194 | } else if (axes->axisXTop()) { |
|
1193 | 1195 | axes->emitAxisXTopChanged(); |
|
1194 | 1196 | } else { |
|
1195 | 1197 | axes->setAxisX(defaultAxis(Qt::Horizontal, series)); |
|
1196 | 1198 | findMinMaxForSeries(series, Qt::Horizontal, min, max); |
|
1197 | 1199 | axes->axisX()->setRange(min, max); |
|
1198 | 1200 | } |
|
1199 | 1201 | |
|
1200 | 1202 | // Initialize axis Y |
|
1201 | 1203 | if (axes->axisY()) { |
|
1202 | 1204 | axes->emitAxisYChanged(); |
|
1203 | 1205 | } else if (axes->axisYRight()) { |
|
1204 | 1206 | axes->emitAxisYRightChanged(); |
|
1205 | 1207 | } else { |
|
1206 | 1208 | axes->setAxisY(defaultAxis(Qt::Vertical, series)); |
|
1207 | 1209 | findMinMaxForSeries(series, Qt::Vertical, min, max); |
|
1208 | 1210 | axes->axisY()->setRange(min, max); |
|
1209 | 1211 | } |
|
1210 | 1212 | } |
|
1211 | 1213 | |
|
1212 | 1214 | void DeclarativeChart::findMinMaxForSeries(QAbstractSeries *series, Qt::Orientations orientation, |
|
1213 | 1215 | qreal &min, qreal &max) |
|
1214 | 1216 | { |
|
1215 | 1217 | if (!series) { |
|
1216 | 1218 | min = 0.5; |
|
1217 | 1219 | max = 0.5; |
|
1218 | 1220 | } else { |
|
1219 | 1221 | AbstractDomain *domain = series->d_ptr->domain(); |
|
1220 | 1222 | min = (orientation == Qt::Vertical) ? domain->minY() : domain->minX(); |
|
1221 | 1223 | max = (orientation == Qt::Vertical) ? domain->maxY() : domain->maxX(); |
|
1222 | 1224 | |
|
1223 | 1225 | if (min == max) { |
|
1224 | 1226 | min -= 0.5; |
|
1225 | 1227 | max += 0.5; |
|
1226 | 1228 | } |
|
1227 | 1229 | } |
|
1228 | 1230 | } |
|
1229 | 1231 | |
|
1230 | 1232 | QPointF DeclarativeChart::mapToValue(const QPointF &position, QAbstractSeries *series) |
|
1231 | 1233 | { |
|
1232 | 1234 | return m_chart->mapToValue(position, series); |
|
1233 | 1235 | } |
|
1234 | 1236 | |
|
1235 | 1237 | QPointF DeclarativeChart::mapToPosition(const QPointF &value, QAbstractSeries *series) |
|
1236 | 1238 | { |
|
1237 | 1239 | return m_chart->mapToPosition(value, series); |
|
1238 | 1240 | } |
|
1239 | 1241 | |
|
1240 | 1242 | #include "moc_declarativechart.cpp" |
|
1241 | 1243 | |
|
1242 | 1244 | QT_CHARTS_END_NAMESPACE |
@@ -1,81 +1,81 | |||
|
1 | 1 | /****************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2015 The Qt Company Ltd. |
|
4 | 4 | ** Contact: http://www.qt.io/licensing/ |
|
5 | 5 | ** |
|
6 | 6 | ** This file is part of the Qt Charts module. |
|
7 | 7 | ** |
|
8 | 8 | ** $QT_BEGIN_LICENSE:COMM$ |
|
9 | 9 | ** |
|
10 | 10 | ** Commercial License Usage |
|
11 | 11 | ** Licensees holding valid commercial Qt licenses may use this file in |
|
12 | 12 | ** accordance with the commercial license agreement provided with the |
|
13 | 13 | ** Software or, alternatively, in accordance with the terms contained in |
|
14 | 14 | ** a written agreement between you and The Qt Company. For licensing terms |
|
15 | 15 | ** and conditions see http://www.qt.io/terms-conditions. For further |
|
16 | 16 | ** information use the contact form at http://www.qt.io/contact-us. |
|
17 | 17 | ** |
|
18 | 18 | ** $QT_END_LICENSE$ |
|
19 | 19 | ** |
|
20 | 20 | ******************************************************************************/ |
|
21 | 21 | |
|
22 | 22 | #include "declarativechartnode.h" |
|
23 | 23 | #include "declarativerendernode.h" |
|
24 | 24 | #include <QtGui/QOpenGLContext> |
|
25 | 25 | #include <QtGui/QOpenGLFunctions> |
|
26 | 26 | #include <QtGui/QOpenGLFramebufferObjectFormat> |
|
27 | 27 | #include <QtGui/QOpenGLFramebufferObject> |
|
28 | 28 | #include <QOpenGLShaderProgram> |
|
29 | 29 | #include <QtGui/QOpenGLBuffer> |
|
30 | 30 | |
|
31 | 31 | QT_CHARTS_BEGIN_NAMESPACE |
|
32 | 32 | |
|
33 | 33 | // This node handles displaying of the chart itself |
|
34 | 34 | DeclarativeChartNode::DeclarativeChartNode(QQuickWindow *window) : |
|
35 | 35 | QSGSimpleTextureNode(), |
|
36 | 36 | m_texture(0), |
|
37 | 37 | m_window(window), |
|
38 | 38 | m_textureOptions(0), |
|
39 | 39 | m_textureSize(1, 1), |
|
40 | 40 | m_glRenderNode(0) |
|
41 | 41 | { |
|
42 | initializeOpenGLFunctions(); | |
|
43 | ||
|
44 | 42 | // Our texture node must have a texture, so use a default one pixel texture |
|
45 | GLuint defaultTexture = 0; | |
|
46 | glGenTextures(1, &defaultTexture); | |
|
47 | glBindTexture(GL_TEXTURE_2D, defaultTexture); | |
|
48 | uchar buf[4] = { 0, 0, 0, 0 }; | |
|
49 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, &buf); | |
|
50 | ||
|
43 | QImage dummyImage(QSize(1, 1), QImage::Format_ARGB32); | |
|
44 | uchar *imageData = dummyImage.bits(); | |
|
45 | imageData[0] = 0; | |
|
46 | imageData[1] = 0; | |
|
47 | imageData[2] = 0; | |
|
48 | imageData[3] = 0; | |
|
51 | 49 | QQuickWindow::CreateTextureOptions defaultTextureOptions = QQuickWindow::CreateTextureOptions( |
|
52 | 50 | QQuickWindow::TextureHasAlphaChannel | QQuickWindow::TextureOwnsGLTexture); |
|
53 |
m_texture = m_window->createTextureFromI |
|
|
51 | m_texture = m_window->createTextureFromImage(dummyImage, defaultTextureOptions); | |
|
54 | 52 | |
|
55 | 53 | setTexture(m_texture); |
|
56 | 54 | setFiltering(QSGTexture::Linear); |
|
57 | 55 | |
|
58 | // Create child node for rendering GL graphics | |
|
59 | m_glRenderNode = new DeclarativeRenderNode(m_window); | |
|
60 | m_glRenderNode->setFlag(OwnedByParent); | |
|
61 | appendChildNode(m_glRenderNode); | |
|
62 | m_glRenderNode->setRect(0, 0, 0, 0); // Hide child node by default | |
|
56 | if (QOpenGLContext::currentContext()) { | |
|
57 | // Create child node for rendering GL graphics | |
|
58 | m_glRenderNode = new DeclarativeRenderNode(m_window); | |
|
59 | m_glRenderNode->setFlag(OwnedByParent); | |
|
60 | appendChildNode(m_glRenderNode); | |
|
61 | m_glRenderNode->setRect(0, 0, 0, 0); // Hide child node by default | |
|
62 | } | |
|
63 | 63 | } |
|
64 | 64 | |
|
65 | 65 | DeclarativeChartNode::~DeclarativeChartNode() |
|
66 | 66 | { |
|
67 | 67 | delete m_texture; |
|
68 | 68 | } |
|
69 | 69 | |
|
70 | 70 | // Must be called on render thread and in context |
|
71 | 71 | void DeclarativeChartNode::createTextureFromImage(const QImage &chartImage) |
|
72 | 72 | { |
|
73 | 73 | if (chartImage.size() != m_textureSize) |
|
74 | 74 | m_textureSize = chartImage.size(); |
|
75 | 75 | |
|
76 | 76 | delete m_texture; |
|
77 | 77 | m_texture = m_window->createTextureFromImage(chartImage, m_textureOptions); |
|
78 | 78 | setTexture(m_texture); |
|
79 | 79 | } |
|
80 | 80 | |
|
81 | 81 | QT_CHARTS_END_NAMESPACE |
General Comments 0
You need to be logged in to leave comments.
Login now