gecko-dev/gfx/thebes/gfxFT2FontBase.h

48 строки
1.6 KiB
C++

/* -*- 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 const gfxFont::Metrics& GetMetrics();
virtual uint32_t GetSpaceGlyph();
virtual bool ProvidesGetGlyph() const { return true; }
virtual uint32_t GetGlyph(uint32_t unicode, uint32_t variation_selector);
virtual bool ProvidesGlyphWidths() const { return true; }
virtual int32_t GetGlyphWidth(gfxContext *aCtx, uint16_t aGID);
cairo_scaled_font_t *CairoScaledFont() { return mScaledFont; };
virtual bool SetupCairoFont(gfxContext *aContext);
virtual FontType GetType() const { return FONT_TYPE_FT2; }
mozilla::gfx::FontOptions* GetFontOptions() { return &mFontOptions; }
protected:
uint32_t mSpaceGlyph;
bool mHasMetrics;
Metrics mMetrics;
// Azure font description
mozilla::gfx::FontOptions mFontOptions;
void ConstructFontOptions();
};
#endif /* GFX_FT2FONTBASE_H */