gecko-dev/gfx/thebes/gfxUniscribeShaper.h

53 lines
1.4 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_UNISCRIBESHAPER_H
#define GFX_UNISCRIBESHAPER_H
#include "prtypes.h"
#include "gfxTypes.h"
#include "gfxGDIFont.h"
#include <usp10.h>
#include <cairo-win32.h>
class gfxUniscribeShaper : public gfxFontShaper
{
public:
gfxUniscribeShaper(gfxGDIFont *aFont)
: gfxFontShaper(aFont)
, mScriptCache(nullptr)
{
MOZ_COUNT_CTOR(gfxUniscribeShaper);
}
virtual ~gfxUniscribeShaper()
{
MOZ_COUNT_DTOR(gfxUniscribeShaper);
}
virtual bool ShapeText(gfxContext *aContext,
const PRUnichar *aText,
uint32_t aOffset,
uint32_t aLength,
int32_t aScript,
gfxShapedText *aShapedText);
SCRIPT_CACHE *ScriptCache() { return &mScriptCache; }
gfxGDIFont *GetFont() { return static_cast<gfxGDIFont*>(mFont); }
private:
SCRIPT_CACHE mScriptCache;
enum {
kUnicodeVS17 = gfxFontUtils::kUnicodeVS17,
kUnicodeVS256 = gfxFontUtils::kUnicodeVS256
};
};
#endif /* GFX_UNISCRIBESHAPER_H */