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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
63QT_BEGIN_NAMESPACE
64
65class QSGPlainTexture;
66class QRhi;
67
68class QQuickAbstractPathRenderer
69{
70public:
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
108Q_DECLARE_OPERATORS_FOR_FLAGS(QQuickAbstractPathRenderer::Flags)
109
110struct 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
127class Q_QUICKSHAPES_PRIVATE_EXPORT QQuickShapePathPrivate : public QQuickPathPrivate
128{
129 Q_DECLARE_PUBLIC(QQuickShapePath)
130
131public:
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
156class QQuickShapePrivate : public QQuickItemPrivate
157{
158 Q_DECLARE_PUBLIC(QQuickShape)
159
160public:
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
190struct 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
203inline 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
211class QQuickShapeGradientCache
212{
213public:
214 ~QQuickShapeGradientCache();
215 static QQuickShapeGradientCache *cacheForRhi(QRhi *rhi);
216 QSGTexture *get(const QQuickShapeGradientCacheKey &grad);
217
218private:
219 QHash<QQuickShapeGradientCacheKey, QSGPlainTexture *> m_textures;
220};
221
222#if QT_CONFIG(opengl)
223
224class QQuickShapeGradientOpenGLCache : public QOpenGLSharedResource
225{
226public:
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
237private:
238 QHash<QQuickShapeGradientCacheKey, QSGPlainTexture *> m_cache;
239};
240
241#endif // QT_CONFIG(opengl)
242
243QT_END_NAMESPACE
244
245#endif
246

source code of qtdeclarative/src/quickshapes/qquickshape_p_p.h