зеркало из https://github.com/mozilla/gecko-dev.git
132 строки
4.1 KiB
C++
132 строки
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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_PLATFORM_QT_H
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#define GFX_PLATFORM_QT_H
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#include "gfxPlatform.h"
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#include "nsAutoRef.h"
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#include "nsDataHashtable.h"
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#include "nsTArray.h"
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#ifdef MOZ_X11
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#include "X11/Xlib.h"
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#endif
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class gfxFontconfigUtils;
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class QWidget;
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#ifndef MOZ_PANGO
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typedef struct FT_LibraryRec_ *FT_Library;
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class FontFamily;
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class FontEntry;
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#endif
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class THEBES_API gfxQtPlatform : public gfxPlatform {
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public:
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enum RenderMode {
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/* Use QPainter surfaces */
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RENDER_QPAINTER = 0,
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/* Use offscreen buffer for rendering with image or xlib gfx backend */
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RENDER_BUFFERED,
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/* Direct rendering to Widget surface */
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RENDER_DIRECT,
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/* max */
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RENDER_MODE_MAX
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};
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gfxQtPlatform();
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virtual ~gfxQtPlatform();
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static gfxQtPlatform *GetPlatform() {
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return (gfxQtPlatform*) gfxPlatform::GetPlatform();
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}
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already_AddRefed<gfxASurface> CreateOffscreenSurface(const gfxIntSize& size,
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gfxASurface::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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#ifdef MOZ_PANGO
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/**
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* Look up a local platform font using the full font face name (needed to
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* support @font-face src local() )
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*/
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virtual gfxFontEntry* LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
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const nsAString& aFontName);
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/**
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* Activate a platform font (needed to support @font-face src url() )
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*
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*/
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virtual gfxFontEntry* MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
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const uint8_t *aFontData,
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uint32_t aLength);
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/**
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* Check whether format is supported on a platform or not (if unclear,
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* returns true).
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*/
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virtual bool IsFontFormatSupported(nsIURI *aFontURI,
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uint32_t aFormatFlags);
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#endif
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#ifndef MOZ_PANGO
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FontFamily *FindFontFamily(const nsAString& aName);
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FontEntry *FindFontEntry(const nsAString& aFamilyName, const gfxFontStyle& aFontStyle);
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already_AddRefed<gfxFont> FindFontForChar(uint32_t aCh, gfxFont *aFont);
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bool GetPrefFontEntries(const nsCString& aLangGroup, nsTArray<nsRefPtr<gfxFontEntry> > *aFontEntryList);
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void SetPrefFontEntries(const nsCString& aLangGroup, nsTArray<nsRefPtr<gfxFontEntry> >& aFontEntryList);
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#endif
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void ClearPrefFonts() { mPrefFonts.Clear(); }
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#ifndef MOZ_PANGO
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FT_Library GetFTLibrary();
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#endif
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RenderMode GetRenderMode() { return mRenderMode; }
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void SetRenderMode(RenderMode rmode) { mRenderMode = rmode; }
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static int32_t GetDPI();
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virtual gfxImageFormat GetOffscreenFormat();
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#ifdef MOZ_X11
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static Display* GetXDisplay(QWidget* aWindow = 0);
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static Screen* GetXScreen(QWidget* aWindow = 0);
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#endif
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virtual int GetScreenDepth() const;
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protected:
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static gfxFontconfigUtils *sFontconfigUtils;
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private:
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virtual qcms_profile *GetPlatformCMSOutputProfile();
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// TODO: unify this with mPrefFonts (NB: holds families, not fonts) in gfxPlatformFontList
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nsDataHashtable<nsCStringHashKey, nsTArray<nsRefPtr<gfxFontEntry> > > mPrefFonts;
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RenderMode mRenderMode;
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int mScreenDepth;
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};
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#endif /* GFX_PLATFORM_QT_H */
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