gfx/thebes/gfxFT2FontBase.h
author Jonathan Kew <jkew@mozilla.com>
Mon, 17 Nov 2014 09:59:50 +0000
changeset 228263 5e993b51246b8752893c4f4e39f259bd0ec239e6
parent 227216 6e7cc3499a2e4048a0fbeab6ff910f4cd9cd09ba
child 232202 8216327b0a297d858cf34919e6335e73d172698c
permissions -rw-r--r--
Bug 1097615 - Add MOZ_OVERRIDE annotations to subclasses of gfxFont. r=jdaggett

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef GFX_FT2FONTBASE_H
#define GFX_FT2FONTBASE_H

#include "cairo.h"
#include "gfxContext.h"
#include "gfxFont.h"
#include "mozilla/gfx/2D.h"

class gfxFT2FontBase : public gfxFont {
public:
    gfxFT2FontBase(cairo_scaled_font_t *aScaledFont,
                   gfxFontEntry *aFontEntry,
                   const gfxFontStyle *aFontStyle);
    virtual ~gfxFT2FontBase();

    uint32_t GetGlyph(uint32_t aCharCode);
    void GetGlyphExtents(uint32_t aGlyph,
                         cairo_text_extents_t* aExtents);
    virtual uint32_t GetSpaceGlyph() MOZ_OVERRIDE;
    virtual bool ProvidesGetGlyph() const MOZ_OVERRIDE { return true; }
    virtual uint32_t GetGlyph(uint32_t unicode,
                              uint32_t variation_selector) MOZ_OVERRIDE;
    virtual bool ProvidesGlyphWidths() const MOZ_OVERRIDE { return true; }
    virtual int32_t GetGlyphWidth(DrawTarget& aDrawTarget,
                                  uint16_t aGID) MOZ_OVERRIDE;

    cairo_scaled_font_t *CairoScaledFont() { return mScaledFont; };
    virtual bool SetupCairoFont(gfxContext *aContext) MOZ_OVERRIDE;

    virtual FontType GetType() const MOZ_OVERRIDE { return FONT_TYPE_FT2; }

    mozilla::gfx::FontOptions* GetFontOptions() { return &mFontOptions; }

protected:
    virtual const Metrics& GetHorizontalMetrics() MOZ_OVERRIDE;

    uint32_t mSpaceGlyph;
    bool mHasMetrics;
    Metrics mMetrics;

    // Azure font description
    mozilla::gfx::FontOptions  mFontOptions;
    void ConstructFontOptions();
};

#endif /* GFX_FT2FONTBASE_H */