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qquickspritesequence.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtQuick module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
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15** information use the contact form at https://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
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20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
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31** included in the packaging of this file. Please review the following-
32** information to ensure the GNU General Public License requirements will-
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35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#include "qquickspritesequence_p.h"-
41#include "qquickspritesequence_p_p.h"-
42#include "qquicksprite_p.h"-
43#include "qquickspriteengine_p.h"-
44#include <QtQuick/private/qsgcontext_p.h>-
45#include <private/qsgadaptationlayer_p.h>-
46#include <QtQuick/qsgnode.h>-
47#include <QtQuick/qsgtexturematerial.h>-
48#include <QtQuick/qsgtexture.h>-
49#include <QtQuick/qquickwindow.h>-
50#include <QtQml/qqmlinfo.h>-
51#include <QFile>-
52#include <cmath>-
53#include <qmath.h>-
54#include <QDebug>-
55-
56QT_BEGIN_NAMESPACE-
57-
58/*!-
59 \qmltype SpriteSequence-
60 \instantiates QQuickSpriteSequence-
61 \inqmlmodule QtQuick-
62 \ingroup qtquick-visual-utility-
63 \inherits Item-
64 \brief Draws a sprite animation.-
65-
66 SpriteSequence renders and controls a list of animations defined-
67 by \l Sprite types.-
68-
69 For full details, see the \l{Sprite Animations} overview.-
70*/-
71/*!-
72 \qmlproperty bool QtQuick::SpriteSequence::running-
73-
74 Whether the sprite is animating or not.-
75-
76 Default is \c true.-
77*/-
78/*!-
79 \qmlproperty bool QtQuick::SpriteSequence::interpolate-
80-
81 If \c true, interpolation will occur between sprite frames to make the-
82 animation appear smoother.-
83-
84 Default is \c true.-
85*/-
86/*!-
87 \qmlproperty string QtQuick::SpriteSequence::currentSprite-
88-
89 The name of the \l Sprite that is currently animating.-
90*/-
91/*!-
92 \qmlproperty string QtQuick::SpriteSequence::goalSprite-
93-
94 The name of the \l Sprite that the animation should move to.-
95-
96 Sprite states have defined durations and transitions between them; setting \c goalSprite-
97 will cause it to disregard any path weightings (including \c 0) and head down the path-
98 that will reach the \c goalSprite quickest (fewest animations). It will pass through-
99 intermediate states on that path, and animate them for their duration.-
100-
101 If it is possible to return to the \c goalSprite from the starting point of the \c goalSprite,-
102 it will continue to do so until \c goalSprite is set to \c "" or an unreachable state.-
103*/-
104/*! \qmlmethod QtQuick::SpriteSequence::jumpTo(string sprite)-
105-
106 This function causes the SpriteSequence to jump to the specified \a sprite immediately;-
107 intermediate sprites are not played.-
108*/-
109/*!-
110 \qmlproperty list<Sprite> QtQuick::SpriteSequence::sprites-
111-
112 The sprite or sprites to draw. Sprites will be scaled to the size of this item.-
113*/-
114-
115//TODO: Implicitly size element to size of first sprite?-
116QQuickSpriteSequence::QQuickSpriteSequence(QQuickItem *parent) :-
117 QQuickItem(*(new QQuickSpriteSequencePrivate), parent)-
118{-
119 setFlag(ItemHasContents);-
120 connect(this, SIGNAL(runningChanged(bool)),-
121 this, SLOT(update()));-
122}
executed 14 times by 2 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickspritesequence
14
123-
124void QQuickSpriteSequence::jumpTo(const QString &sprite)-
125{-
126 Q_D(QQuickSpriteSequence);-
127 if (!d->m_spriteEngine)
!d->m_spriteEngineDescription
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
0-2
128 return;
never executed: return;
0
129 d->m_spriteEngine->setGoal(d->m_spriteEngine->stateIndex(sprite), 0, true);-
130}
executed 2 times by 1 test: end of block
Executed by:
  • tst_qquickspritesequence
2
131-
132void QQuickSpriteSequence::setGoalSprite(const QString &sprite)-
133{-
134 Q_D(QQuickSpriteSequence);-
135 if (d->m_goalState != sprite){
d->m_goalState != spriteDescription
TRUEevaluated 4 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
FALSEnever evaluated
0-4
136 d->m_goalState = sprite;-
137 emit goalSpriteChanged(sprite);-
138 if (d->m_spriteEngine)
d->m_spriteEngineDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
FALSEevaluated 2 times by 1 test
Evaluated by:
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2
139 d->m_spriteEngine->setGoal(d->m_spriteEngine->stateIndex(sprite));
executed 2 times by 1 test: d->m_spriteEngine->setGoal(d->m_spriteEngine->stateIndex(sprite));
Executed by:
  • tst_qquickspritesequence
2
140 }
executed 4 times by 1 test: end of block
Executed by:
  • tst_qquickspritesequence
4
141}
executed 4 times by 1 test: end of block
Executed by:
  • tst_qquickspritesequence
4
142-
143void QQuickSpriteSequence::setRunning(bool arg)-
144{-
145 Q_D(QQuickSpriteSequence);-
146 if (d->m_running != arg) {
d->m_running != argDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
FALSEnever evaluated
0-2
147 d->m_running = arg;-
148 Q_EMIT runningChanged(arg);-
149 }
executed 2 times by 1 test: end of block
Executed by:
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2
150}
executed 2 times by 1 test: end of block
Executed by:
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2
151-
152void QQuickSpriteSequence::setInterpolate(bool arg)-
153{-
154 Q_D(QQuickSpriteSequence);-
155 if (d->m_interpolate != arg) {
d->m_interpolate != argDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
FALSEnever evaluated
0-2
156 d->m_interpolate = arg;-
157 Q_EMIT interpolateChanged(arg);-
158 }
executed 2 times by 1 test: end of block
Executed by:
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2
159}
executed 2 times by 1 test: end of block
Executed by:
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2
160-
161QQmlListProperty<QQuickSprite> QQuickSpriteSequence::sprites()-
162{-
163 Q_D(QQuickSpriteSequence);-
164 return QQmlListProperty<QQuickSprite>(this, &d->m_sprites, spriteAppend, spriteCount, spriteAt, spriteClear);
executed 16 times by 2 tests: return QQmlListProperty<QQuickSprite>(this, &d->m_sprites, spriteAppend, spriteCount, spriteAt, spriteClear);
Executed by:
  • tst_examples
  • tst_qquickspritesequence
16
165}-
166-
167bool QQuickSpriteSequence::running() const-
168{-
169 Q_D(const QQuickSpriteSequence);-
170 return d->m_running;
executed 4 times by 1 test: return d->m_running;
Executed by:
  • tst_qquickspritesequence
4
171}-
172-
173bool QQuickSpriteSequence::interpolate() const-
174{-
175 Q_D(const QQuickSpriteSequence);-
176 return d->m_interpolate;
executed 4 times by 1 test: return d->m_interpolate;
Executed by:
  • tst_qquickspritesequence
4
177}-
178-
179QString QQuickSpriteSequence::goalSprite() const-
180{-
181 Q_D(const QQuickSpriteSequence);-
182 return d->m_goalState;
never executed: return d->m_goalState;
0
183}-
184-
185QString QQuickSpriteSequence::currentSprite() const-
186{-
187 Q_D(const QQuickSpriteSequence);-
188 return d->m_curState;
executed 9 times by 1 test: return d->m_curState;
Executed by:
  • tst_qquickspritesequence
9
189}-
190-
191void QQuickSpriteSequence::createEngine()-
192{-
193 Q_D(QQuickSpriteSequence);-
194 //TODO: delay until component complete-
195 if (d->m_spriteEngine)
d->m_spriteEngineDescription
TRUEevaluated 4 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
FALSEevaluated 16 times by 2 tests
Evaluated by:
  • tst_examples
  • tst_qquickspritesequence
4-16
196 delete d->m_spriteEngine;
executed 4 times by 1 test: delete d->m_spriteEngine;
Executed by:
  • tst_qquickspritesequence
4
197 if (d->m_sprites.count()) {
d->m_sprites.count()Description
TRUEevaluated 18 times by 2 tests
Evaluated by:
  • tst_examples
  • tst_qquickspritesequence
FALSEevaluated 2 times by 1 test
Evaluated by:
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2-18
198 d->m_spriteEngine = new QQuickSpriteEngine(d->m_sprites, this);-
199 if (!d->m_goalState.isEmpty())
!d->m_goalState.isEmpty()Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
FALSEevaluated 16 times by 2 tests
Evaluated by:
  • tst_examples
  • tst_qquickspritesequence
2-16
200 d->m_spriteEngine->setGoal(d->m_spriteEngine->stateIndex(d->m_goalState));
executed 2 times by 1 test: d->m_spriteEngine->setGoal(d->m_spriteEngine->stateIndex(d->m_goalState));
Executed by:
  • tst_qquickspritesequence
2
201 } else {
executed 18 times by 2 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickspritesequence
18
202 d->m_spriteEngine = nullptr;-
203 }
executed 2 times by 1 test: end of block
Executed by:
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2
204 reset();-
205}
executed 20 times by 2 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickspritesequence
20
206-
207QSGSpriteNode *QQuickSpriteSequence::initNode()-
208{-
209 Q_D(QQuickSpriteSequence);-
210-
211 if (!d->m_spriteEngine) {
!d->m_spriteEngineDescription
TRUEnever evaluated
FALSEevaluated 26 times by 2 tests
Evaluated by:
  • tst_examples
  • tst_qquickspritesequence
0-26
212 qmlWarning(this) << "No sprite engine...";-
213 return nullptr;
never executed: return nullptr;
0
214 } else if (d->m_spriteEngine->status() == QQuickPixmap::Null) {
d->m_spriteEng...ckPixmap::NullDescription
TRUEevaluated 14 times by 2 tests
Evaluated by:
  • tst_examples
  • tst_qquickspritesequence
FALSEevaluated 12 times by 1 test
Evaluated by:
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12-14
215 d->m_spriteEngine->startAssemblingImage();-
216 update();//Schedule another update, where we will check again-
217 return nullptr;
executed 14 times by 2 tests: return nullptr;
Executed by:
  • tst_examples
  • tst_qquickspritesequence
14
218 } else if (d->m_spriteEngine->status() == QQuickPixmap::Loading) {
d->m_spriteEng...ixmap::LoadingDescription
TRUEnever evaluated
FALSEevaluated 12 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
0-12
219 update();//Schedule another update, where we will check again-
220 return nullptr;
never executed: return nullptr;
0
221 }-
222-
223 QImage image = d->m_spriteEngine->assembledImage(d->sceneGraphRenderContext()->maxTextureSize());-
224 if (image.isNull())
image.isNull()Description
TRUEnever evaluated
FALSEevaluated 12 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
0-12
225 return nullptr;
never executed: return nullptr;
0
226-
227 QSGSpriteNode *node = d->sceneGraphContext()->createSpriteNode();-
228-
229 d->m_sheetSize = QSize(image.size() / image.devicePixelRatioF());-
230 node->setTexture(window()->createTextureFromImage(image));-
231 d->m_spriteEngine->start(0);-
232 node->setTime(0.0f);-
233 node->setSourceA(QPoint(d->m_spriteEngine->spriteX(), d->m_spriteEngine->spriteY()));-
234 node->setSourceB(QPoint(d->m_spriteEngine->spriteX(), d->m_spriteEngine->spriteY()));-
235 node->setSpriteSize(QSize(d->m_spriteEngine->spriteWidth(), d->m_spriteEngine->spriteHeight()));-
236 node->setSheetSize(d->m_sheetSize);-
237 node->setSize(QSizeF(width(), height()));-
238-
239 d->m_curState = d->m_spriteEngine->state(d->m_spriteEngine->curState())->name();-
240 emit currentSpriteChanged(d->m_curState);-
241 d->m_timestamp.start();-
242 return node;
executed 12 times by 1 test: return node;
Executed by:
  • tst_qquickspritesequence
12
243}-
244-
245void QQuickSpriteSequence::reset()-
246{-
247 Q_D(QQuickSpriteSequence);-
248 d->m_pleaseReset = true;-
249}
executed 20 times by 2 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickspritesequence
20
250-
251QSGNode *QQuickSpriteSequence::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *)-
252{-
253 Q_D(QQuickSpriteSequence);-
254-
255 if (d->m_pleaseReset) {
d->m_pleaseResetDescription
TRUEevaluated 14 times by 2 tests
Evaluated by:
  • tst_examples
  • tst_qquickspritesequence
FALSEevaluated 1072 times by 1 test
Evaluated by:
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14-1072
256 delete oldNode;-
257-
258 oldNode = nullptr;-
259 d->m_pleaseReset = false;-
260 }
executed 14 times by 2 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickspritesequence
14
261-
262 QSGSpriteNode *node = static_cast<QSGSpriteNode *>(oldNode);-
263 if (!node)
!nodeDescription
TRUEevaluated 26 times by 2 tests
Evaluated by:
  • tst_examples
  • tst_qquickspritesequence
FALSEevaluated 1060 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
26-1060
264 node = initNode();
executed 26 times by 2 tests: node = initNode();
Executed by:
  • tst_examples
  • tst_qquickspritesequence
26
265-
266 if (node)
nodeDescription
TRUEevaluated 1072 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
FALSEevaluated 14 times by 2 tests
Evaluated by:
  • tst_examples
  • tst_qquickspritesequence
14-1072
267 prepareNextFrame(node);
executed 1072 times by 1 test: prepareNextFrame(node);
Executed by:
  • tst_qquickspritesequence
1072
268-
269 if (d->m_running) {
d->m_runningDescription
TRUEevaluated 1086 times by 2 tests
Evaluated by:
  • tst_examples
  • tst_qquickspritesequence
FALSEnever evaluated
0-1086
270 update();-
271 }
executed 1086 times by 2 tests: end of block
Executed by:
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  • tst_qquickspritesequence
1086
272-
273 return node;
executed 1086 times by 2 tests: return node;
Executed by:
  • tst_examples
  • tst_qquickspritesequence
1086
274}-
275-
276void QQuickSpriteSequence::prepareNextFrame(QSGSpriteNode *node)-
277{-
278 Q_D(QQuickSpriteSequence);-
279-
280 uint timeInt = d->m_timestamp.elapsed();-
281 qreal time = timeInt / 1000.;-
282-
283 //Advance State-
284 d->m_spriteEngine->updateSprites(timeInt);-
285 if (d->m_curStateIdx != d->m_spriteEngine->curState()) {
d->m_curStateI...ne->curState()Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
FALSEevaluated 1070 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
2-1070
286 d->m_curStateIdx = d->m_spriteEngine->curState();-
287 d->m_curState = d->m_spriteEngine->state(d->m_spriteEngine->curState())->name();-
288 emit currentSpriteChanged(d->m_curState);-
289 d->m_curFrame= -1;-
290 }
executed 2 times by 1 test: end of block
Executed by:
  • tst_qquickspritesequence
2
291-
292 //Advance Sprite-
293 qreal animT = d->m_spriteEngine->spriteStart()/1000.0;-
294 qreal frameCount = d->m_spriteEngine->spriteFrames();-
295 qreal frameDuration = d->m_spriteEngine->spriteDuration()/frameCount;-
296 double frameAt;-
297 qreal progress;-
298 if (frameDuration > 0) {
frameDuration > 0Description
TRUEevaluated 1058 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
FALSEevaluated 14 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
14-1058
299 qreal frame = (time - animT)/(frameDuration / 1000.0);-
300 frame = qBound(qreal(0.0), frame, frameCount - qreal(1.0));//Stop at count-1 frames until we have between anim interpolation-
301 progress = std::modf(frame,&frameAt);-
302 } else {
executed 1058 times by 1 test: end of block
Executed by:
  • tst_qquickspritesequence
1058
303 d->m_curFrame++;-
304 if (d->m_curFrame >= frameCount){
d->m_curFrame >= frameCountDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
FALSEevaluated 12 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
2-12
305 d->m_curFrame = 0;-
306 d->m_spriteEngine->advance();-
307 }
executed 2 times by 1 test: end of block
Executed by:
  • tst_qquickspritesequence
2
308 frameAt = d->m_curFrame;-
309 progress = 0;-
310 }
executed 14 times by 1 test: end of block
Executed by:
  • tst_qquickspritesequence
14
311 if (d->m_spriteEngine->sprite()->reverse())
d->m_spriteEng...e()->reverse()Description
TRUEnever evaluated
FALSEevaluated 1072 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
0-1072
312 frameAt = (d->m_spriteEngine->spriteFrames() - 1) - frameAt;
never executed: frameAt = (d->m_spriteEngine->spriteFrames() - 1) - frameAt;
0
313 int y = d->m_spriteEngine->spriteY();-
314 int w = d->m_spriteEngine->spriteWidth();-
315 int h = d->m_spriteEngine->spriteHeight();-
316 int x1 = d->m_spriteEngine->spriteX();-
317 x1 += frameAt * w;-
318 int x2 = x1;-
319 if (frameAt < (frameCount-1))
frameAt < (frameCount-1)Description
TRUEevaluated 971 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
FALSEevaluated 101 times by 1 test
Evaluated by:
  • tst_qquickspritesequence
101-971
320 x2 += w;
executed 971 times by 1 test: x2 += w;
Executed by:
  • tst_qquickspritesequence
971
321-
322 node->setSourceA(QPoint(x1, y));-
323 node->setSourceB(QPoint(x2, y));-
324 node->setSpriteSize(QSize(w, h));-
325 node->setTime(d->m_interpolate ? progress : 0.0);-
326 node->setSize(QSizeF(width(), height()));-
327 node->setFiltering(smooth() ? QSGTexture::Linear : QSGTexture::Nearest);-
328 node->update();-
329}
executed 1072 times by 1 test: end of block
Executed by:
  • tst_qquickspritesequence
1072
330-
331QT_END_NAMESPACE-
332-
333#include "moc_qquickspritesequence_p.cpp"-
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