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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 | |
86 | virtual ~QQuickAbstractPathRenderer() { } |
87 | |
88 | // Gui thread |
89 | virtual void beginSync(int totalCount) = 0; |
90 | virtual void endSync(bool async) = 0; |
91 | virtual void setAsyncCallback(void (*)(void *), void *) { } |
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 | |
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 | |
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 | { |
192 | 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: |
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 | |