gecko-dev/gfx/thebes/gfxQtPlatform.h
2012-05-21 12:12:37 +01:00

131 lines
4.1 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_PLATFORM_QT_H
#define GFX_PLATFORM_QT_H
#include "gfxPlatform.h"
#include "nsAutoRef.h"
#include "nsDataHashtable.h"
#include "nsTArray.h"
#ifdef MOZ_X11
#include "X11/Xlib.h"
#endif
class gfxFontconfigUtils;
class QWidget;
#ifndef MOZ_PANGO
typedef struct FT_LibraryRec_ *FT_Library;
class FontFamily;
class FontEntry;
#endif
class THEBES_API gfxQtPlatform : public gfxPlatform {
public:
enum RenderMode {
/* Use QPainter surfaces */
RENDER_QPAINTER = 0,
/* Use offscreen buffer for rendering with image or xlib gfx backend */
RENDER_BUFFERED,
/* Direct rendering to Widget surface */
RENDER_DIRECT,
/* max */
RENDER_MODE_MAX
};
gfxQtPlatform();
virtual ~gfxQtPlatform();
static gfxQtPlatform *GetPlatform() {
return (gfxQtPlatform*) gfxPlatform::GetPlatform();
}
already_AddRefed<gfxASurface> CreateOffscreenSurface(const gfxIntSize& size,
gfxASurface::gfxContentType contentType);
virtual bool SupportsAzure(mozilla::gfx::BackendType& aBackend);
nsresult GetFontList(nsIAtom *aLangGroup,
const nsACString& aGenericFamily,
nsTArray<nsString>& aListOfFonts);
nsresult UpdateFontList();
nsresult ResolveFontName(const nsAString& aFontName,
FontResolverCallback aCallback,
void *aClosure, bool& aAborted);
nsresult GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName);
gfxFontGroup *CreateFontGroup(const nsAString &aFamilies,
const gfxFontStyle *aStyle,
gfxUserFontSet* aUserFontSet);
#ifdef MOZ_PANGO
/**
* Look up a local platform font using the full font face name (needed to
* support @font-face src local() )
*/
virtual gfxFontEntry* LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
const nsAString& aFontName);
/**
* Activate a platform font (needed to support @font-face src url() )
*
*/
virtual gfxFontEntry* MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
const PRUint8 *aFontData,
PRUint32 aLength);
/**
* Check whether format is supported on a platform or not (if unclear,
* returns true).
*/
virtual bool IsFontFormatSupported(nsIURI *aFontURI,
PRUint32 aFormatFlags);
#endif
#ifndef MOZ_PANGO
FontFamily *FindFontFamily(const nsAString& aName);
FontEntry *FindFontEntry(const nsAString& aFamilyName, const gfxFontStyle& aFontStyle);
already_AddRefed<gfxFont> FindFontForChar(PRUint32 aCh, gfxFont *aFont);
bool GetPrefFontEntries(const nsCString& aLangGroup, nsTArray<nsRefPtr<gfxFontEntry> > *aFontEntryList);
void SetPrefFontEntries(const nsCString& aLangGroup, nsTArray<nsRefPtr<gfxFontEntry> >& aFontEntryList);
#endif
void ClearPrefFonts() { mPrefFonts.Clear(); }
#ifndef MOZ_PANGO
FT_Library GetFTLibrary();
#endif
RenderMode GetRenderMode() { return mRenderMode; }
void SetRenderMode(RenderMode rmode) { mRenderMode = rmode; }
static PRInt32 GetDPI();
virtual gfxImageFormat GetOffscreenFormat();
#ifdef MOZ_X11
static Display* GetXDisplay(QWidget* aWindow = 0);
static Screen* GetXScreen(QWidget* aWindow = 0);
#endif
protected:
static gfxFontconfigUtils *sFontconfigUtils;
private:
virtual qcms_profile *GetPlatformCMSOutputProfile();
// TODO: unify this with mPrefFonts (NB: holds families, not fonts) in gfxPlatformFontList
nsDataHashtable<nsCStringHashKey, nsTArray<nsRefPtr<gfxFontEntry> > > mPrefFonts;
RenderMode mRenderMode;
};
#endif /* GFX_PLATFORM_QT_H */