зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
2.2 KiB
C++
66 строки
2.2 KiB
C++
/* vim: set sw=4 sts=4 et cin: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_OS2_PLATFORM_H
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#define GFX_OS2_PLATFORM_H
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#define INCL_GPIBITMAPS
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#include <os2.h>
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#include "gfxPlatform.h"
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#include "gfxOS2Fonts.h"
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#include "gfxFontUtils.h"
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#include "nsTArray.h"
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class gfxFontconfigUtils;
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class gfxOS2Platform : public gfxPlatform {
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public:
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gfxOS2Platform();
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virtual ~gfxOS2Platform();
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static gfxOS2Platform *GetPlatform() {
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return (gfxOS2Platform*) gfxPlatform::GetPlatform();
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}
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already_AddRefed<gfxASurface>
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CreateOffscreenSurface(const gfxIntSize& size,
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gfxContentType contentType);
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nsresult GetFontList(nsIAtom *aLangGroup,
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const nsACString& aGenericFamily,
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nsTArray<nsString>& aListOfFonts);
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nsresult UpdateFontList();
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nsresult ResolveFontName(const nsAString& aFontName,
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FontResolverCallback aCallback,
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void *aClosure, bool& aAborted);
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nsresult GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName);
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gfxFontGroup *CreateFontGroup(const nsAString &aFamilies,
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const gfxFontStyle *aStyle,
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gfxUserFontSet *aUserFontSet);
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// Given a string and a font we already have, find the font that
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// supports the most code points and most closely resembles aFont.
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// This simple version involves looking at the fonts on the machine to see
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// which code points they support.
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already_AddRefed<gfxOS2Font> FindFontForChar(uint32_t aCh, gfxOS2Font *aFont);
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// return true if it's already known that we don't have a font for this char
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bool noFontWithChar(uint32_t aCh) {
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return mCodepointsWithNoFonts.test(aCh);
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}
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protected:
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static gfxFontconfigUtils *sFontconfigUtils;
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private:
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// when font lookup fails for a character, cache it to skip future searches
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gfxSparseBitSet mCodepointsWithNoFonts;
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};
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#endif /* GFX_OS2_PLATFORM_H */
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