gecko/gfx/thebes/public/gfxWindowsPlatform.h
Jonathan Kew 7f99e7a86f Bug 507970, part 2: implement support for downloadable WOFF fonts, r=jdaggett
--HG--
extra : rebase_source : e68c49d2dbea815e453f9ab52ba89bd9127d3f51
2009-08-30 14:55:24 +01:00

227 lines
8.4 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) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Stuart Parmenter <pavlov@pavlov.net>
* 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_WINDOWS_PLATFORM_H
#define GFX_WINDOWS_PLATFORM_H
#if defined(WINCE)
#define MOZ_FT2_FONTS 1
#endif
#include "gfxFontUtils.h"
#include "gfxWindowsSurface.h"
#ifdef MOZ_FT2_FONTS
#include "gfxFT2Fonts.h"
#else
#include "gfxWindowsFonts.h"
#endif
#include "gfxPlatform.h"
#include "nsTArray.h"
#include "nsDataHashtable.h"
#ifdef MOZ_FT2_FONTS
typedef struct FT_LibraryRec_ *FT_Library;
#endif
#include <windows.h>
class THEBES_API gfxWindowsPlatform : public gfxPlatform, private gfxFontInfoLoader {
public:
gfxWindowsPlatform();
virtual ~gfxWindowsPlatform();
static gfxWindowsPlatform *GetPlatform() {
return (gfxWindowsPlatform*) gfxPlatform::GetPlatform();
}
already_AddRefed<gfxASurface> CreateOffscreenSurface(const gfxIntSize& size,
gfxASurface::gfxImageFormat imageFormat);
enum RenderMode {
/* Use GDI and windows surfaces */
RENDER_GDI = 0,
/* Use 32bpp image surfaces and call StretchDIBits */
RENDER_IMAGE_STRETCH32,
/* Use 32bpp image surfaces, and do 32->24 conversion before calling StretchDIBits */
RENDER_IMAGE_STRETCH24,
/* Use DirectDraw on Windows CE */
RENDER_DDRAW,
/* Use 24bpp image surfaces, with final DirectDraw 16bpp blt on Windows CE */
RENDER_IMAGE_DDRAW16,
/* Use DirectDraw with OpenGL on Windows CE */
RENDER_DDRAW_GL,
/* max */
RENDER_MODE_MAX
};
RenderMode GetRenderMode() { return mRenderMode; }
void SetRenderMode(RenderMode rmode) { mRenderMode = rmode; }
nsresult GetFontList(const nsACString& aLangGroup,
const nsACString& aGenericFamily,
nsTArray<nsString>& aListOfFonts);
nsresult UpdateFontList();
void GetFontFamilyList(nsTArray<nsRefPtr<FontFamily> >& aFamilyArray);
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);
/**
* 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);
/* Given a string and a font we already have find the font that
* supports the most code points and most closely resembles aFont
*
* this involves looking at the fonts on your machine and seeing which
* code points they support as well as looking at things like the font
* family, style, weight, etc.
*/
already_AddRefed<gfxFont>
FindFontForChar(PRUint32 aCh, gfxFont *aFont);
/* Find a FontFamily/FontEntry object that represents a font on your system given a name */
FontFamily *FindFontFamily(const nsAString& aName);
FontEntry *FindFontEntry(const nsAString& aName, const gfxFontStyle& aFontStyle);
PRBool GetPrefFontEntries(const nsCString& aLangGroup, nsTArray<nsRefPtr<FontEntry> > *array);
void SetPrefFontEntries(const nsCString& aLangGroup, nsTArray<nsRefPtr<FontEntry> >& array);
void ClearPrefFonts() { mPrefFonts.Clear(); }
typedef nsDataHashtable<nsStringHashKey, nsRefPtr<FontFamily> > FontTable;
#ifdef MOZ_FT2_FONTS
FT_Library GetFTLibrary();
private:
void AppendFacesFromFontFile(const PRUnichar *aFileName);
void FindFonts();
#endif
protected:
RenderMode mRenderMode;
private:
void Init();
void InitBadUnderlineList();
static int CALLBACK FontEnumProc(const ENUMLOGFONTEXW *lpelfe,
const NEWTEXTMETRICEXW *metrics,
DWORD fontType, LPARAM data);
static int CALLBACK FamilyAddStylesProc(const ENUMLOGFONTEXW *lpelfe,
const NEWTEXTMETRICEXW *nmetrics,
DWORD fontType, LPARAM data);
static PLDHashOperator FontGetStylesProc(nsStringHashKey::KeyType aKey,
nsRefPtr<FontFamily>& aFontFamily,
void* userArg);
static PLDHashOperator FontGetCMapDataProc(nsStringHashKey::KeyType aKey,
nsRefPtr<FontFamily>& aFontFamily,
void* userArg);
static int CALLBACK FontResolveProc(const ENUMLOGFONTEXW *lpelfe,
const NEWTEXTMETRICEXW *metrics,
DWORD fontType, LPARAM data);
static PLDHashOperator HashEnumFunc(nsStringHashKey::KeyType aKey,
nsRefPtr<FontFamily>& aData,
void* userArg);
static PLDHashOperator FindFontForCharProc(nsStringHashKey::KeyType aKey,
nsRefPtr<FontFamily>& aFontFamily,
void* userArg);
virtual qcms_profile* GetPlatformCMSOutputProfile();
static int PrefChangedCallback(const char*, void*);
// gfxFontInfoLoader overrides, used to load in font cmaps
virtual void InitLoader();
virtual PRBool RunLoader();
virtual void FinishLoader();
FontTable mFonts;
FontTable mFontAliases;
FontTable mFontSubstitutes;
nsTArray<nsString> mNonExistingFonts;
// when system-wide font lookup fails for a character, cache it to skip future searches
gfxSparseBitSet mCodepointsWithNoFonts;
nsDataHashtable<nsCStringHashKey, nsTArray<nsRefPtr<FontEntry> > > mPrefFonts;
// data used as part of the font cmap loading process
nsTArray<nsRefPtr<FontFamily> > mFontFamilies;
PRUint32 mStartIndex;
PRUint32 mIncrement;
PRUint32 mNumFamilies;
};
#endif /* GFX_WINDOWS_PLATFORM_H */