--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hbcore/effects/hbeffectdropshadow.cpp Mon Apr 19 14:02:13 2010 +0300
@@ -0,0 +1,176 @@
+/****************************************************************************
+**
+** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (developer.feedback@nokia.com)
+**
+** This file is part of the HbCore module of the UI Extensions for Mobile.
+**
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at developer.feedback@nokia.com.
+**
+****************************************************************************/
+#include <hbglobal.h>
+#ifdef HB_FILTER_EFFECTS
+
+#include "hbeffectgroup_p.h"
+#include "hbeffectdef_p.h"
+#include "hbeffectdropshadow_p.h"
+#include "hbeffectfilter_p.h"
+#include "hbvgchainedeffect_p.h"
+#include "hbvgshadoweffect_p.h"
+#include "hbvgoutlineeffect_p.h"
+#include <QGraphicsItem>
+#include <QtDebug>
+
+// -----------------------------------------------------------------------------
+
+// HbEffectDropShadow
+
+HbEffectDropShadow::HbEffectDropShadow(
+ const HbEffectFxmlFilterData &data,
+ QGraphicsItem *item,
+ HbEffectGroup *group) :
+ HbEffectFilter(0, item, group),
+ mAnimationO(0),
+ mAnimationS(0),
+ mAnimationOutlineX(0),
+ mAnimationOutlineY(0),
+ mAnimationOffsetX(0),
+ mAnimationOffsetY(0),
+ mAnimationC(0),
+ mVgOutline(0),
+ mType(HbEffectDropShadow::outline)
+{
+ // Default values from FXML spec
+ qreal opacity_start = 1;
+ qreal opacity_end = 1;
+
+ qreal steepness_start = 20.0f;
+ qreal steepness_end = 20.0f;
+
+ qreal outline_x_start = 1.0f;
+ qreal outline_x_end = 1.0f;
+ qreal outline_y_start = 1.0f;
+ qreal outline_y_end = 1.0f;
+
+ qreal offset_x_start = 0.0f;
+ qreal offset_x_end = 0.0f;
+ qreal offset_y_start = 0.0f;
+ qreal offset_y_end = 0.0f;
+
+ QColor color_start(0, 0, 0);
+ QColor color_end(0, 0, 0);
+
+ QList<HbEffectFxmlParamData> params = data.paramData();
+
+ // Handle FXML parameters
+ Q_FOREACH(const HbEffectFxmlParamData ¶m, params) {
+ if (param.name() == FXML_KEYWORD_DROP_SHADOW_OPACITY) {
+ mAnimationO = createAnimation(param, opacity_start, opacity_end, group);
+ }
+ else if (param.name() == FXML_KEYWORD_DROP_SHADOW_COLOR) {
+ mAnimationC = createAnimation(param, color_start, color_end, group);
+ }
+ else if (param.name() == FXML_KEYWORD_DROP_SHADOW_OFFSET_X) {
+ mAnimationOffsetX = createAnimation(param, offset_x_start, offset_x_end, group);
+ // If offset parameters are used, it is a drop shadow effect.
+ mType = dropShadow;
+ }
+ else if (param.name() == FXML_KEYWORD_DROP_SHADOW_OFFSET_Y) {
+ mAnimationOffsetY = createAnimation(param, offset_y_start, offset_y_end, group);
+ // If offset parameters are used, it is a drop shadow effect.
+ mType = dropShadow;
+ }
+ else if (param.name() == FXML_KEYWORD_DROP_SHADOW_STEEPNESS) {
+ mAnimationS = createAnimation(param, steepness_start, steepness_end, group);
+ }
+ else if (param.name() == FXML_KEYWORD_DROP_SHADOW_OUTLINE_X) {
+ mAnimationOutlineX = createAnimation(param, outline_x_start, outline_x_end, group);
+ }
+ else if (param.name() == FXML_KEYWORD_DROP_SHADOW_OUTLINE_Y) {
+ mAnimationOutlineY = createAnimation(param, outline_y_start, outline_y_end, group);
+ }
+ }
+
+ // Create VG effect if there were effect parameters defined
+ if (mEffectDefined) {
+ // Add effect to the filter effect chain in the effect group
+ HbVgChainedEffect *chain = HbEffectAbstract::group()->vgEffect();
+
+ if (mType == dropShadow) {
+ mVgOutline = new HbVgShadowEffect();
+ } else {
+ mVgOutline = new HbVgOutlineEffect();
+ }
+
+ mVgOutline->setCaching(true);
+
+ chain->add(mVgOutline);
+
+ // Set initial values for the effect
+ mVgOutline->setOpacity(opacity_start);
+ mVgOutline->setOutline(outline_x_start, outline_y_start);
+ mVgOutline->setColor(color_start);
+ mVgOutline->setSteepness(steepness_start);
+ mVgOutline->setOffset(offset_x_start, offset_y_start);
+ }
+}
+
+HbEffectDropShadow::~HbEffectDropShadow()
+{
+}
+
+QString HbEffectDropShadow::name() const
+{
+ return mType == dropShadow ? HB_EFFECT_NAME_DROP_SHADOW : HB_EFFECT_NAME_OUTLINE;
+}
+
+void HbEffectDropShadow::updateFilterEffect()
+{
+ // Only update the graphics effect if the effect is running
+ if (group()->isRunning()) {
+ QPointF outline = mVgOutline->outline();
+ QPointF offset = mVgOutline->offset();
+
+ if (mAnimationOutlineX) {
+ outline.setX(qVariantValue<qreal>(mAnimationOutlineX->currentValue()));
+ }
+ if (mAnimationOutlineY) {
+ outline.setY(qVariantValue<qreal>(mAnimationOutlineY->currentValue()));
+ }
+ if (mAnimationOffsetX) {
+ offset.setX(qVariantValue<qreal>(mAnimationOffsetX->currentValue()));
+ }
+ if (mAnimationOffsetY) {
+ offset.setY(qVariantValue<qreal>(mAnimationOffsetY->currentValue()));
+ }
+
+ mVgOutline->setOutline(outline);
+ mVgOutline->setOffset(offset);
+
+ if (mAnimationS) {
+ mVgOutline->setSteepness(qVariantValue<qreal>(mAnimationS->currentValue()));
+ }
+ if (mAnimationC) {
+ mVgOutline->setColor(qVariantValue<QColor>(mAnimationC->currentValue()));
+ }
+ if (mAnimationO) {
+ mVgOutline->setOpacity(qVariantValue<qreal>(mAnimationO->currentValue()));
+ }
+ }
+}
+
+#endif