qsgopenvgcontext_p.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QSGOPENVGCONTEXT_H
#define QSGOPENVGCONTEXT_H
 
#include <private/qsgcontext_p.h>
#include <qsgrendererinterface.h>
 
Q_DECLARE_LOGGING_CATEGORY(QSG_OPENVG_LOG_TIME_RENDERLOOP)
 
QT_BEGIN_NAMESPACE
 
class QOpenVGContext;
class QSGOpenVGFontGlyphCache;
class QSGOpenVGFontGlyphCacheManager;
 
class QSGOpenVGRenderContext : public QSGRenderContext, public QSGRendererInterface
{
    Q_OBJECT
public:
    QSGOpenVGRenderContext(QSGContext *context);
 
    static const int INIT_PARAMS_MAGIC = 0x51E;
    struct InitParams : public QSGRenderContext::InitParams {
        int sType = INIT_PARAMS_MAGIC;
        QOpenVGContext *context = nullptr;
    };
 
    void initialize(const QSGRenderContext::InitParams *params) override;
    void invalidate() override;
    void renderNextFrame(QSGRenderer *renderer) override;
    QSGTexture *createTexture(const QImage &image, uint flags) const override;
    QSGRenderer *createRenderer(QSGRendererInterface::RenderMode renderMode = QSGRendererInterface::RenderMode2D) override;
    int maxTextureSize() const override;
 
    // QSGRendererInterface interface
    GraphicsApi graphicsApi() const override;
    ShaderType shaderType() const override;
    ShaderCompilationTypes shaderCompilationType() const override;
    ShaderSourceTypes shaderSourceType() const override;
 
    QOpenVGContext* vgContext() { return m_vgContext; }
    QSGOpenVGFontGlyphCache* glyphCache(const QRawFont &rawFont);
 
private:
    QOpenVGContext *m_vgContext;
    QSGOpenVGFontGlyphCacheManager *m_glyphCacheManager;
 
};
 
class QSGOpenVGContext : public QSGContext
{
    Q_OBJECT
public:
    QSGOpenVGContext(QObject *parent = nullptr);
 
    QSGRenderContext *createRenderContext() override;
    QSGRectangleNode *createRectangleNode() override;
    QSGImageNode *createImageNode() override;
    QSGPainterNode *createPainterNode(QQuickPaintedItem *item) override;
    QSGGlyphNode *createGlyphNode(QSGRenderContext *rc, bool preferNativeGlyphNode, int renderTypeQuality) override;
    QSGNinePatchNode *createNinePatchNode() override;
    QSGLayer *createLayer(QSGRenderContext *renderContext) override;
    QSurfaceFormat defaultSurfaceFormat() const override;
    QSGInternalRectangleNode *createInternalRectangleNode() override;
    QSGInternalImageNode *createInternalImageNode(QSGRenderContext *renderContext) override;
#if QT_CONFIG(quick_sprite)
    QSGSpriteNode *createSpriteNode() override;
#endif
    QSGRendererInterface *rendererInterface(QSGRenderContext *renderContext) override;
};
 
QT_END_NAMESPACE
 
#endif // QSGOPENVGCONTEXT_H