SkFontConfigInterface_direct.h

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/*
 * Copyright 2009-2015 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
/* migrated from chrome/src/skia/ext/SkFontHost_fontconfig_direct.cpp */
#ifndef SKFONTCONFIGINTERFACE_DIRECT_H_
#define SKFONTCONFIGINTERFACE_DIRECT_H_
 
#include "include/ports/SkFontConfigInterface.h"
 
#include <fontconfig/fontconfig.h>
 
class SkFontConfigInterfaceDirect : public SkFontConfigInterface {
public:
    /** Create around a FontConfig instance.
     *  If 'fc' is nullptr, each method call will use the current config.
     *  Takes ownership of 'fc' and will call FcConfigDestroy on it.
     */
    SkFontConfigInterfaceDirect(FcConfig* fc);
    ~SkFontConfigInterfaceDirect() override;
 
    bool matchFamilyName(const char familyName[],
                         SkFontStyle requested,
                         FontIdentity* outFontIdentifier,
                         SkString* outFamilyName,
                         SkFontStyle* outStyle) override;
 
    SkStreamAsset* openStream(const FontIdentity&) override;
 
protected:
    virtual bool isAccessible(const char* filename);
 
private:
    FcConfig * const fFC;
    bool isValidPattern(FcPattern* pattern);
    FcPattern* MatchFont(FcFontSet* font_set, const char* post_config_family,
                         const SkString& family);
    using INHERITED = SkFontConfigInterface;
};
 
#endif