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 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 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 19 ** General Public License version 3 as published by the Free Software 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 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QQUICKSHAPE_P_P_H 41 #define QQUICKSHAPE_P_P_H 42 43 // 44 // W A R N I N G 45 // ------------- 46 // 47 // This file is not part of the Qt API. It exists purely as an 48 // implementation detail. This header file may change from version to 49 // version without notice, or even be removed. 50 // 51 // We mean it. 52 // 53 54 #include <QtQuickShapes/private/qquickshapesglobal_p.h> 55 #include <QtQuickShapes/private/qquickshape_p.h> 56 #include <QtQuick/private/qquickitem_p.h> 57 #include <QPainterPath> 58 #include <QColor> 59 #include <QBrush> 60 #include <QElapsedTimer> 61 #include <private/qopenglcontext_p.h> 62 63 QT_BEGIN_NAMESPACE 64 65 class QSGPlainTexture; 66 class QRhi; 67 68 class QQuickAbstractPathRenderer 69 { 70 public: 71 enum Flag { 72 SupportsAsync = 0x01 73 }; 74 Q_DECLARE_FLAGS(Flags, Flag) 75 76 enum FillGradientType { NoGradient = 0, LinearGradient, RadialGradient, ConicalGradient }; 77 struct GradientDesc { // can fully describe a linear/radial/conical gradient 78 QGradientStops stops; 79 QQuickShapeGradient::SpreadMode spread; 80 QPointF a; // start (L) or center point (R/C) 81 QPointF b; // end (L) or focal point (R) 82 qreal v0; // center radius (R) or start angle (C) 83 qreal v1; // focal radius (R) 84 }; 85 ~QQuickAbstractPathRenderer()86 virtual ~QQuickAbstractPathRenderer() { } 87 88 // Gui thread 89 virtual void beginSync(int totalCount) = 0; 90 virtual void endSync(bool async) = 0; setAsyncCallback(void (*)(void *),void *)91 virtual void setAsyncCallback(void (*)(void *), void *) { } flags()92 virtual Flags flags() const { return {}; } 93 virtual void setPath(int index, const QQuickPath *path) = 0; 94 virtual void setStrokeColor(int index, const QColor &color) = 0; 95 virtual void setStrokeWidth(int index, qreal w) = 0; 96 virtual void setFillColor(int index, const QColor &color) = 0; 97 virtual void setFillRule(int index, QQuickShapePath::FillRule fillRule) = 0; 98 virtual void setJoinStyle(int index, QQuickShapePath::JoinStyle joinStyle, int miterLimit) = 0; 99 virtual void setCapStyle(int index, QQuickShapePath::CapStyle capStyle) = 0; 100 virtual void setStrokeStyle(int index, QQuickShapePath::StrokeStyle strokeStyle, 101 qreal dashOffset, const QVector<qreal> &dashPattern) = 0; 102 virtual void setFillGradient(int index, QQuickShapeGradient *gradient) = 0; 103 104 // Render thread, with gui blocked 105 virtual void updateNode() = 0; 106 }; 107 108 Q_DECLARE_OPERATORS_FOR_FLAGS(QQuickAbstractPathRenderer::Flags) 109 110 struct QQuickShapeStrokeFillParams 111 { 112 QQuickShapeStrokeFillParams(); 113 114 QColor strokeColor; 115 qreal strokeWidth; 116 QColor fillColor; 117 QQuickShapePath::FillRule fillRule; 118 QQuickShapePath::JoinStyle joinStyle; 119 int miterLimit; 120 QQuickShapePath::CapStyle capStyle; 121 QQuickShapePath::StrokeStyle strokeStyle; 122 qreal dashOffset; 123 QVector<qreal> dashPattern; 124 QQuickShapeGradient *fillGradient; 125 }; 126 127 class Q_QUICKSHAPES_PRIVATE_EXPORT QQuickShapePathPrivate : public QQuickPathPrivate 128 { 129 Q_DECLARE_PUBLIC(QQuickShapePath) 130 131 public: 132 enum Dirty { 133 DirtyPath = 0x01, 134 DirtyStrokeColor = 0x02, 135 DirtyStrokeWidth = 0x04, 136 DirtyFillColor = 0x08, 137 DirtyFillRule = 0x10, 138 DirtyStyle = 0x20, 139 DirtyDash = 0x40, 140 DirtyFillGradient = 0x80, 141 142 DirtyAll = 0xFF 143 }; 144 145 QQuickShapePathPrivate(); 146 147 void _q_pathChanged(); 148 void _q_fillGradientChanged(); 149 get(QQuickShapePath * p)150 static QQuickShapePathPrivate *get(QQuickShapePath *p) { return p->d_func(); } 151 152 int dirty; 153 QQuickShapeStrokeFillParams sfp; 154 }; 155 156 class QQuickShapePrivate : public QQuickItemPrivate 157 { 158 Q_DECLARE_PUBLIC(QQuickShape) 159 160 public: 161 QQuickShapePrivate(); 162 ~QQuickShapePrivate(); 163 164 void createRenderer(); 165 QSGNode *createNode(); 166 void sync(); 167 168 void _q_shapePathChanged(); 169 void setStatus(QQuickShape::Status newStatus); 170 get(QQuickShape * item)171 static QQuickShapePrivate *get(QQuickShape *item) { return item->d_func(); } 172 173 static void asyncShapeReady(void *data); 174 175 int effectRefCount; 176 QVector<QQuickShapePath *> sp; 177 QElapsedTimer syncTimer; 178 QQuickAbstractPathRenderer *renderer = nullptr; 179 int syncTimingTotalDirty = 0; 180 int syncTimeCounter = 0; 181 QQuickShape::Status status = QQuickShape::Null; 182 QQuickShape::RendererType rendererType = QQuickShape::UnknownRenderer; 183 QQuickShape::ContainsMode containsMode = QQuickShape::BoundingRectContains; 184 bool spChanged = false; 185 bool async = false; 186 bool enableVendorExts = false; 187 bool syncTimingActive = false; 188 }; 189 190 struct QQuickShapeGradientCacheKey 191 { QQuickShapeGradientCacheKeyQQuickShapeGradientCacheKey192 QQuickShapeGradientCacheKey(const QGradientStops &stops, QQuickShapeGradient::SpreadMode spread) 193 : stops(stops), spread(spread) 194 { } 195 QGradientStops stops; 196 QQuickShapeGradient::SpreadMode spread; 197 bool operator==(const QQuickShapeGradientCacheKey &other) const 198 { 199 return spread == other.spread && stops == other.stops; 200 } 201 }; 202 203 inline uint qHash(const QQuickShapeGradientCacheKey &v, uint seed = 0) 204 { 205 uint h = seed + v.spread; 206 for (int i = 0; i < 3 && i < v.stops.count(); ++i) 207 h += v.stops[i].second.rgba(); 208 return h; 209 } 210 211 class QQuickShapeGradientCache 212 { 213 public: 214 ~QQuickShapeGradientCache(); 215 static QQuickShapeGradientCache *cacheForRhi(QRhi *rhi); 216 QSGTexture *get(const QQuickShapeGradientCacheKey &grad); 217 218 private: 219 QHash<QQuickShapeGradientCacheKey, QSGPlainTexture *> m_textures; 220 }; 221 222 #if QT_CONFIG(opengl) 223 224 class QQuickShapeGradientOpenGLCache : public QOpenGLSharedResource 225 { 226 public: QQuickShapeGradientOpenGLCache(QOpenGLContext * context)227 QQuickShapeGradientOpenGLCache(QOpenGLContext *context) : QOpenGLSharedResource(context->shareGroup()) { } 228 ~QQuickShapeGradientOpenGLCache(); 229 230 void invalidateResource() override; 231 void freeResource(QOpenGLContext *) override; 232 233 QSGTexture *get(const QQuickShapeGradientCacheKey &grad); 234 235 static QQuickShapeGradientOpenGLCache *currentCache(); 236 237 private: 238 QHash<QQuickShapeGradientCacheKey, QSGPlainTexture *> m_cache; 239 }; 240 241 #endif // QT_CONFIG(opengl) 242 243 QT_END_NAMESPACE 244 245 #endif 246