35 class HbEffectRotateAnimation : public HbEffectAnimation |
35 class HbEffectRotateAnimation : public HbEffectAnimation |
36 { |
36 { |
37 public: |
37 public: |
38 HbEffectRotateAnimation(HbEffectGroup *group, |
38 HbEffectRotateAnimation(HbEffectGroup *group, |
39 Qt::Axis axis, |
39 Qt::Axis axis, |
40 int duration ); |
40 int duration); |
41 |
41 |
42 void setCenter(const QPointF &p); |
42 void setCenter(const QPointF &p); |
43 |
43 |
44 private: |
44 private: |
45 void handleAnimationUpdate(const QVariant &value); |
45 void handleAnimationUpdate(const QVariant &value); |
92 \brief HbEffectRotate is an internal class used by effect framework. |
92 \brief HbEffectRotate is an internal class used by effect framework. |
93 HbEffectRotate is an internal class used by effect framework to get rotation effect. |
93 HbEffectRotate is an internal class used by effect framework to get rotation effect. |
94 |
94 |
95 Example of how to use HbEffectRotate |
95 Example of how to use HbEffectRotate |
96 \code |
96 \code |
97 // animData here is pointer to HbEffectAnimation data, gruop is pointer to HbEffectGroup, and |
97 // animData here is pointer to HbEffectAnimation data, gruop is pointer to HbEffectGroup, and |
98 // item is the QGraphicsItem on which effect will be applied. |
98 // item is the QGraphicsItem on which effect will be applied. |
99 HbEffectRotate *effect= new HbEffectScale(animData, item, group); |
99 HbEffectRotate *effect= new HbEffectScale(animData, item, group); |
100 effect->start(); |
100 effect->start(); |
101 |
101 |
102 \endcode |
102 \endcode |
103 |
103 |
104 \warning This class is a part of internal library implementation and may |
104 \warning This class is a part of internal library implementation and may |
105 be removed or modified! |
105 be removed or modified! |
106 |
106 |
109 |
109 |
110 HbEffectRotate::HbEffectRotate( |
110 HbEffectRotate::HbEffectRotate( |
111 const QList<HbEffectFxmlParamData> &data, |
111 const QList<HbEffectFxmlParamData> &data, |
112 QGraphicsItem *item, |
112 QGraphicsItem *item, |
113 HbEffectGroup *group) : |
113 HbEffectGroup *group) : |
114 HbEffectAbstract(0, item, group), |
114 HbEffectAbstract(0, item, group), |
115 mAnimation(0), |
115 mAnimation(0), |
116 mCenterX(0.0), |
116 mCenterX(0.0), |
117 mCenterY(0.0), |
117 mCenterY(0.0), |
118 mPosChanged(false) |
118 mPosChanged(false) |
119 { |
119 { |
120 // Default values of rotation effect if something is not passed in FXML |
120 // Default values of rotation effect if something is not passed in FXML |
121 Qt::Axis axis = Qt::ZAxis; |
121 Qt::Axis axis = Qt::ZAxis; |
122 qreal startAngle = 0.0; |
122 qreal startAngle = 0.0; |
123 qreal endAngle = 0.0; |
123 qreal endAngle = 0.0; |
128 QList<HbKeyFrame> keyFrameList; |
128 QList<HbKeyFrame> keyFrameList; |
129 |
129 |
130 const HbEffectFxmlParamData *angleParam = 0; |
130 const HbEffectFxmlParamData *angleParam = 0; |
131 |
131 |
132 // Handle FXML parameters |
132 // Handle FXML parameters |
133 Q_FOREACH(const HbEffectFxmlParamData ¶m, data) { |
133 Q_FOREACH(const HbEffectFxmlParamData & param, data) { |
134 if (param.name() == FXML_KEYWORD_ROTATION_ANGLE) { |
134 if (param.name() == FXML_KEYWORD_ROTATION_ANGLE) { |
135 keyFrameList = param.keyFrames(); |
135 keyFrameList = param.keyFrames(); |
136 HbEffectUtils::resolveFxmlDuration(duration, param); |
136 HbEffectUtils::resolveFxmlDuration(duration, param); |
137 HbEffectUtils::resolveFxmlCurveShape(curve, param); |
137 HbEffectUtils::resolveFxmlCurveShape(curve, param); |
138 angleParam = ¶m; |
138 angleParam = ¶m; |
139 } |
139 } else if (param.name() == FXML_KEYWORD_ROTATION_ORIGIN_X) { |
140 else if (param.name() == FXML_KEYWORD_ROTATION_ORIGIN_X) { |
|
141 originXData = param; |
140 originXData = param; |
142 } |
141 } else if (param.name() == FXML_KEYWORD_ROTATION_ORIGIN_Y) { |
143 else if (param.name() == FXML_KEYWORD_ROTATION_ORIGIN_Y) { |
|
144 originYData = param; |
142 originYData = param; |
145 } |
143 } else if (param.name() == FXML_KEYWORD_ROTATION_AXIS_X) { |
146 else if (param.name() == FXML_KEYWORD_ROTATION_AXIS_X) { |
|
147 bool valueOk = false; |
144 bool valueOk = false; |
148 int value = param.getValue().toInt(&valueOk); |
145 int value = param.getValue().toInt(&valueOk); |
149 if (valueOk && (bool)value) { |
146 if (valueOk && (bool)value) { |
150 axis = Qt::XAxis; |
147 axis = Qt::XAxis; |
151 } |
148 } |
152 } |
149 } else if (param.name() == FXML_KEYWORD_ROTATION_AXIS_Y) { |
153 else if (param.name() == FXML_KEYWORD_ROTATION_AXIS_Y) { |
|
154 bool valueOk = false; |
150 bool valueOk = false; |
155 int value = param.getValue().toInt(&valueOk); |
151 int value = param.getValue().toInt(&valueOk); |
156 if (valueOk && (bool)value) { |
152 if (valueOk && (bool)value) { |
157 axis = Qt::YAxis; |
153 axis = Qt::YAxis; |
158 } |
154 } |
164 HbEffectRotateAnimation *anim = new HbEffectRotateAnimation( |
160 HbEffectRotateAnimation *anim = new HbEffectRotateAnimation( |
165 group, axis, duration); |
161 group, axis, duration); |
166 |
162 |
167 anim->addLooping(angleParam); |
163 anim->addLooping(angleParam); |
168 |
164 |
169 foreach( const HbKeyFrame &kf, keyFrameList ) { |
165 foreach(const HbKeyFrame & kf, keyFrameList) { |
170 if (HbEffectUtils::fuzzyIsNull(kf.pos)) { |
166 if (HbEffectUtils::fuzzyIsNull(kf.pos)) { |
171 startAngle = kf.val; |
167 startAngle = kf.val; |
172 } |
168 } else if (HbEffectUtils::fuzzyIsOneOrGreater(kf.pos)) { |
173 else if (HbEffectUtils::fuzzyIsOneOrGreater(kf.pos)) { |
169 endAngle = kf.val; |
174 endAngle = kf.val; |
170 } |
175 } |
|
176 // Set keyframe in animation |
171 // Set keyframe in animation |
177 else { |
172 else { |
178 anim->setKeyValueAt(kf.pos, QVariant(kf.val)); |
173 anim->setKeyValueAt(kf.pos, QVariant(kf.val)); |
179 } |
174 } |
180 } |
175 } |
226 |
221 |
227 /* Starts the rotate effect animation. If the effect is already started, |
222 /* Starts the rotate effect animation. If the effect is already started, |
228 the result is undefined. |
223 the result is undefined. |
229 */ |
224 */ |
230 void HbEffectRotate::start() |
225 void HbEffectRotate::start() |
231 { |
226 { |
232 mAnimation->setCenter(QPointF(mCenterX, mCenterY)); |
227 mAnimation->setCenter(QPointF(mCenterX, mCenterY)); |
233 mAnimation->setCurrentTime(0); |
228 mAnimation->setCurrentTime(0); |
234 mAnimation->start(); |
229 mAnimation->start(); |
235 } |
230 } |
236 |
231 |
237 /* Cancels the effect animation and sets the animation end state immediately. |
232 /* Cancels the effect animation and sets the animation end state immediately. |
238 */ |
233 */ |
239 void HbEffectRotate::cancel(QTransform &transform, bool itemIsValid) |
234 void HbEffectRotate::cancel(QTransform &transform, bool itemIsValid) |
240 { |
235 { |
241 Q_UNUSED(itemIsValid) |
236 Q_UNUSED(itemIsValid) |
242 |
237 |
243 mAnimation->stop(); |
238 mAnimation->stop(); |
244 |
239 |
245 //This will set the endstate for the object correctly when cancelling effect |
240 //This will set the endstate for the object correctly when cancelling effect |
246 QTransform newTransform; |
241 QTransform newTransform; |
247 newTransform.translate(mAnimation->mCenterX, mAnimation->mCenterY); |
242 newTransform.translate(mAnimation->mCenterX, mAnimation->mCenterY); |
248 newTransform.rotate(mAnimation->mTargetRotation, mAnimation->mAxis); |
243 newTransform.rotate(mAnimation->mTargetRotation, mAnimation->mAxis); |
249 newTransform.translate(-mAnimation->mCenterX, -mAnimation->mCenterY); |
244 newTransform.translate(-mAnimation->mCenterX, -mAnimation->mCenterY); |
252 } |
247 } |
253 |
248 |
254 void HbEffectRotate::updateItemTransform(QTransform &transform) |
249 void HbEffectRotate::updateItemTransform(QTransform &transform) |
255 { |
250 { |
256 if (mAnimation) { |
251 if (mAnimation) { |
257 // Rotate the transformation matrix to reach the new rotation angle. |
252 // Rotate the transformation matrix to reach the new rotation angle. |
258 QTransform newTransform; |
253 QTransform newTransform; |
259 newTransform.translate(mAnimation->mCenterX, mAnimation->mCenterY); |
254 newTransform.translate(mAnimation->mCenterX, mAnimation->mCenterY); |
260 newTransform.rotate(mAnimation->mCurrentRotation, mAnimation->mAxis); |
255 newTransform.rotate(mAnimation->mCurrentRotation, mAnimation->mAxis); |
261 newTransform.translate(-mAnimation->mCenterX, -mAnimation->mCenterY); |
256 newTransform.translate(-mAnimation->mCenterX, -mAnimation->mCenterY); |
262 // Combine the new transform with the existing one |
257 // Combine the new transform with the existing one |