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Diffstat (limited to 'src/imports/particles/coloredparticle.h')
| -rw-r--r-- | src/imports/particles/coloredparticle.h | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/src/imports/particles/coloredparticle.h b/src/imports/particles/coloredparticle.h new file mode 100644 index 0000000000..446b764941 --- /dev/null +++ b/src/imports/particles/coloredparticle.h @@ -0,0 +1,254 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Declarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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 qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef COLOREDPARTICLE_H +#define COLOREDPARTICLE_H +#include "particle.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) + +class ParticleTrailsMaterial; +class QSGGeometryNode; + +struct Color4ub { + uchar r; + uchar g; + uchar b; + uchar a; +}; + +struct ColoredParticleVertex { + float x; + float y; + float tx; + float ty; + float t; + float lifeSpan; + float size; + float endSize; + float sx; + float sy; + float ax; + float ay; + Color4ub color; +}; + +struct ColoredParticleVertices { + ColoredParticleVertex v1; + ColoredParticleVertex v2; + ColoredParticleVertex v3; + ColoredParticleVertex v4; +}; + +class ColoredParticle : public ParticleType +{ + Q_OBJECT + Q_PROPERTY(QUrl image READ image WRITE setImage NOTIFY imageChanged) + Q_PROPERTY(QUrl colorTable READ colortable WRITE setColortable NOTIFY colortableChanged) + Q_PROPERTY(QUrl sizeTable READ sizetable WRITE setSizetable NOTIFY sizetableChanged) + Q_PROPERTY(QUrl opacityTable READ opacitytable WRITE setOpacitytable NOTIFY opacitytableChanged) + + Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged) + //Stacks (added) with individual colorVariations + Q_PROPERTY(qreal colorVariation READ colorVariation WRITE setColorVariation NOTIFY colorVariationChanged) + Q_PROPERTY(qreal redVariation READ redVariation WRITE setRedVariation NOTIFY redVariationChanged) + Q_PROPERTY(qreal greenVariation READ greenVariation WRITE setGreenVariation NOTIFY greenVariationChanged) + Q_PROPERTY(qreal blueVariation READ blueVariation WRITE setBlueVariation NOTIFY blueVariationChanged) + //Stacks (multiplies) with the Alpha in the color, mostly here so you can use svg color names (which have full alpha) + Q_PROPERTY(qreal alpha READ alpha WRITE setAlpha NOTIFY alphaChanged) + Q_PROPERTY(qreal alphaVariation READ alphaVariation WRITE setAlphaVariation NOTIFY alphaVariationChanged) + +public: + explicit ColoredParticle(QSGItem *parent = 0); + virtual ~ColoredParticle(){} + + virtual void load(ParticleData*); + virtual void reload(ParticleData*); + virtual void setCount(int c); + + QUrl image() const { return m_image_name; } + void setImage(const QUrl &image); + + QUrl colortable() const { return m_colortable_name; } + void setColortable(const QUrl &table); + + QUrl sizetable() const { return m_sizetable_name; } + void setSizetable (const QUrl &table); + + QUrl opacitytable() const { return m_opacitytable_name; } + void setOpacitytable(const QUrl &table); + + QColor color() const { return m_color; } + void setColor(const QColor &color); + + qreal colorVariation() const { return m_color_variation; } + void setColorVariation(qreal var); + + qreal renderOpacity() const { return m_render_opacity; } + + qreal alphaVariation() const + { + return m_alphaVariation; + } + + qreal alpha() const + { + return m_alpha; + } + + qreal redVariation() const + { + return m_redVariation; + } + + qreal greenVariation() const + { + return m_greenVariation; + } + + qreal blueVariation() const + { + return m_blueVariation; + } + +signals: + + void imageChanged(); + void colortableChanged(); + void sizetableChanged(); + void opacitytableChanged(); + + void colorChanged(); + void colorVariationChanged(); + + void particleDurationChanged(); + void alphaVariationChanged(qreal arg); + + void alphaChanged(qreal arg); + + void redVariationChanged(qreal arg); + + void greenVariationChanged(qreal arg); + + void blueVariationChanged(qreal arg); + +public slots: + void setAlphaVariation(qreal arg) + { + if (m_alphaVariation != arg) { + m_alphaVariation = arg; + emit alphaVariationChanged(arg); + } + } + + void setAlpha(qreal arg) + { + if (m_alpha != arg) { + m_alpha = arg; + emit alphaChanged(arg); + } + } + + void setRedVariation(qreal arg) + { + if (m_redVariation != arg) { + m_redVariation = arg; + emit redVariationChanged(arg); + } + } + + void setGreenVariation(qreal arg) + { + if (m_greenVariation != arg) { + m_greenVariation = arg; + emit greenVariationChanged(arg); + } + } + + void setBlueVariation(qreal arg) + { + if (m_blueVariation != arg) { + m_blueVariation = arg; + emit blueVariationChanged(arg); + } + } + + void reloadColor(const Color4ub &c, ParticleData* d); +protected: + QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *); + void reset(); + void prepareNextFrame(); + QSGGeometryNode* buildParticleNode(); +private: + void vertexCopy(ColoredParticleVertex &b,const ParticleVertex& a); + bool m_do_reset; + + QUrl m_image_name; + QUrl m_colortable_name; + QUrl m_sizetable_name; + QUrl m_opacitytable_name; + + + QColor m_color; + qreal m_color_variation; + qreal m_particleDuration; + + QSGGeometryNode *m_node; + ParticleTrailsMaterial *m_material; + + // derived values... + int m_last_particle; + + qreal m_render_opacity; + qreal m_alphaVariation; + qreal m_alpha; + qreal m_redVariation; + qreal m_greenVariation; + qreal m_blueVariation; +}; + +QT_END_NAMESPACE +QT_END_HEADER +#endif // COLOREDPARTICLE_H |