1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #ifndef QQUICKCANVASCONTEXT_P_H |
5 | #define QQUICKCANVASCONTEXT_P_H |
6 | |
7 | // |
8 | // W A R N I N G |
9 | // ------------- |
10 | // |
11 | // This file is not part of the Qt API. It exists purely as an |
12 | // implementation detail. This header file may change from version to |
13 | // version without notice, or even be removed. |
14 | // |
15 | // We mean it. |
16 | // |
17 | |
18 | #include <private/qtquickglobal_p.h> |
19 | |
20 | QT_REQUIRE_CONFIG(quick_canvas); |
21 | |
22 | #include <QtQuick/qquickitem.h> |
23 | #include <QtQml/private/qv4staticvalue_p.h> |
24 | |
25 | QT_BEGIN_NAMESPACE |
26 | |
27 | namespace QV4 { |
28 | struct ExecutionEngine; |
29 | } |
30 | |
31 | class QQuickCanvasItem; |
32 | class QSGLayer; |
33 | |
34 | class QQuickCanvasContext : public QObject |
35 | { |
36 | Q_OBJECT |
37 | |
38 | public: |
39 | QQuickCanvasContext(QObject *parent = nullptr); |
40 | ~QQuickCanvasContext(); |
41 | |
42 | virtual QStringList contextNames() const = 0; |
43 | |
44 | // Init (ignore options if necessary) |
45 | virtual void init(QQuickCanvasItem *canvasItem, const QVariantMap &args) = 0; |
46 | |
47 | virtual void prepare(const QSize& canvasSize, const QSize& tileSize, const QRect& canvasWindow, const QRect& dirtyRect, bool smooth, bool antialiasing); |
48 | virtual void flush(); |
49 | |
50 | virtual QV4::ExecutionEngine *v4Engine() const = 0; |
51 | virtual void setV4Engine(QV4::ExecutionEngine *engine) = 0; |
52 | virtual QV4::ReturnedValue v4value() const = 0; |
53 | |
54 | virtual QImage toImage(const QRectF& bounds) = 0; |
55 | |
56 | Q_SIGNALS: |
57 | void textureChanged(); |
58 | }; |
59 | |
60 | QT_END_NAMESPACE |
61 | |
62 | #endif //QQUICKCANVASCONTEXT_P_H |
63 | |