| 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 QSGDISTANCEFIELDGLYPHNODE_P_H |
| 5 | #define QSGDISTANCEFIELDGLYPHNODE_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/qsgadaptationlayer_p.h> |
| 19 | #include <QtQuick/qsgtexture.h> |
| 20 | |
| 21 | #include <QtQuick/private/qquicktext_p.h> |
| 22 | |
| 23 | QT_BEGIN_NAMESPACE |
| 24 | |
| 25 | class QSGRenderContext; |
| 26 | class QSGDistanceFieldTextMaterial; |
| 27 | |
| 28 | class QSGDistanceFieldGlyphNode : public QSGGlyphNode, public QSGDistanceFieldGlyphConsumer |
| 29 | { |
| 30 | public: |
| 31 | QSGDistanceFieldGlyphNode(QSGRenderContext *context); |
| 32 | ~QSGDistanceFieldGlyphNode(); |
| 33 | |
| 34 | QPointF baseLine() const override { return m_baseLine; } |
| 35 | void setGlyphs(const QPointF &position, const QGlyphRun &glyphs) override; |
| 36 | void setColor(const QColor &color) override; |
| 37 | |
| 38 | void setPreferredAntialiasingMode(AntialiasingMode mode) override; |
| 39 | void setRenderTypeQuality(int renderTypeQuality) override; |
| 40 | |
| 41 | void setStyle(QQuickText::TextStyle style) override; |
| 42 | void setStyleColor(const QColor &color) override; |
| 43 | |
| 44 | void update() override; |
| 45 | void preprocess() override; |
| 46 | |
| 47 | void invalidateGlyphs(const QVector<quint32> &glyphs) override; |
| 48 | |
| 49 | void updateGeometry(); |
| 50 | |
| 51 | private: |
| 52 | enum DistanceFieldGlyphNodeType { |
| 53 | RootGlyphNode, |
| 54 | SubGlyphNode |
| 55 | }; |
| 56 | |
| 57 | void setGlyphNodeType(DistanceFieldGlyphNodeType type) { m_glyphNodeType = type; } |
| 58 | void updateMaterial(); |
| 59 | |
| 60 | DistanceFieldGlyphNodeType m_glyphNodeType; |
| 61 | QColor m_color; |
| 62 | QPointF m_baseLine; |
| 63 | QSGRenderContext *m_context; |
| 64 | QSGDistanceFieldTextMaterial *m_material; |
| 65 | QPointF m_originalPosition; |
| 66 | QPointF m_position; |
| 67 | QGlyphRun m_glyphs; |
| 68 | QSGDistanceFieldGlyphCache *m_glyph_cache; |
| 69 | QSGGeometry m_geometry; |
| 70 | QQuickText::TextStyle m_style; |
| 71 | QColor m_styleColor; |
| 72 | AntialiasingMode m_antialiasingMode; |
| 73 | QRectF m_boundingRect; |
| 74 | const QSGDistanceFieldGlyphCache::Texture *m_texture; |
| 75 | int m_renderTypeQuality; |
| 76 | |
| 77 | struct GlyphInfo { |
| 78 | QVector<quint32> indexes; |
| 79 | QVector<QPointF> positions; |
| 80 | }; |
| 81 | QSet<quint32> m_allGlyphIndexesLookup; |
| 82 | // m_glyphs holds pointers to the GlyphInfo.indexes and positions arrays, so we need to hold on to them |
| 83 | QHash<const QSGDistanceFieldGlyphCache::Texture *, GlyphInfo> m_glyphsInOtherTextures; |
| 84 | |
| 85 | uint m_dirtyGeometry: 1; |
| 86 | uint m_dirtyMaterial: 1; |
| 87 | |
| 88 | static qint64 m_totalAllocation; // all SG glyph vertices and indices; only for qCDebug metrics |
| 89 | }; |
| 90 | |
| 91 | QT_END_NAMESPACE |
| 92 | |
| 93 | #endif |
| 94 |