gecko/gfx/thebes/gfxQtPlatform.h
2010-08-13 21:58:01 +12:00

150 lines
5.3 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Foundation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Vladimir Vukicevic <vladimir@pobox.com>
* Masayuki Nakano <masayuki@d-toybox.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef GFX_PLATFORM_QT_H
#define GFX_PLATFORM_QT_H
#include "gfxPlatform.h"
#include "nsAutoRef.h"
#include "nsDataHashtable.h"
#include "nsTArray.h"
class gfxFontconfigUtils;
#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,
/* max */
RENDER_MODE_MAX
};
gfxQtPlatform();
virtual ~gfxQtPlatform();
static gfxQtPlatform *GetPlatform() {
return (gfxQtPlatform*) gfxPlatform::GetPlatform();
}
already_AddRefed<gfxASurface> CreateOffscreenSurface(const gfxIntSize& size,
gfxASurface::gfxImageFormat imageFormat);
nsresult GetFontList(nsIAtom *aLangGroup,
const nsACString& aGenericFamily,
nsTArray<nsString>& aListOfFonts);
nsresult UpdateFontList();
nsresult ResolveFontName(const nsAString& aFontName,
FontResolverCallback aCallback,
void *aClosure, PRBool& 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 PRBool 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);
PRBool 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();
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 */