| 1 | // Copyright (C) 2018 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QQUICKTEXTDOCUMENT_P_H |
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| 5 | #define QQUICKTEXTDOCUMENT_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtCore/qhash.h> |
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| 19 | #include <QtCore/qvariant.h> |
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| 20 | #include <QtGui/qimage.h> |
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| 21 | #include <QtGui/qtextdocument.h> |
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| 22 | #include <QtGui/qabstracttextdocumentlayout.h> |
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| 23 | #include <QtGui/qtextlayout.h> |
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| 24 | #include <QtCore/private/qglobal_p.h> |
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| 25 | |
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| 26 | QT_BEGIN_NAMESPACE |
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| 27 | |
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| 28 | class QQuickItem; |
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| 29 | class QQuickPixmap; |
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| 30 | class QQmlContext; |
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| 31 | |
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| 32 | class Q_AUTOTEST_EXPORT QQuickTextDocumentWithImageResources : public QTextDocument, public QTextObjectInterface |
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| 33 | { |
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| 34 | Q_OBJECT |
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| 35 | Q_INTERFACES(QTextObjectInterface) |
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| 36 | public: |
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| 37 | QQuickTextDocumentWithImageResources(QQuickItem *parent); |
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| 38 | virtual ~QQuickTextDocumentWithImageResources(); |
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| 39 | |
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| 40 | int resourcesLoading() const { return outstanding; } |
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| 41 | |
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| 42 | QSizeF intrinsicSize(QTextDocument *doc, int posInDocument, const QTextFormat &format) override; |
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| 43 | void drawObject(QPainter *p, const QRectF &rect, QTextDocument *doc, int posInDocument, const QTextFormat &format) override; |
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| 44 | |
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| 45 | QImage image(const QTextImageFormat &format) const; |
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| 46 | |
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| 47 | public Q_SLOTS: |
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| 48 | void clearResources(); |
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| 49 | |
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| 50 | Q_SIGNALS: |
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| 51 | void imagesLoaded(); |
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| 52 | |
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| 53 | protected: |
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| 54 | QVariant loadResource(int type, const QUrl &name) override; |
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| 55 | |
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| 56 | QQuickPixmap *loadPixmap(QQmlContext *context, const QUrl &name); |
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| 57 | |
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| 58 | private Q_SLOTS: |
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| 59 | void requestFinished(); |
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| 60 | |
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| 61 | private: |
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| 62 | QHash<QUrl, QQuickPixmap *> m_resources; |
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| 63 | |
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| 64 | int outstanding; |
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| 65 | static QSet<QUrl> errors; |
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| 66 | }; |
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| 67 | |
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| 68 | namespace QtPrivate { |
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| 69 | class ProtectedLayoutAccessor: public QAbstractTextDocumentLayout |
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| 70 | { |
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| 71 | public: |
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| 72 | inline QTextCharFormat formatAccessor(int pos) |
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| 73 | { |
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| 74 | return format(pos); |
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| 75 | } |
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| 76 | }; |
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| 77 | } // namespace QtPrivate |
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| 78 | |
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| 79 | QT_END_NAMESPACE |
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| 80 | |
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| 81 | #endif // QQUICKDOCUMENT_P_H |
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| 82 | |
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