зеркало из https://github.com/mozilla/pjs.git
306 строки
10 KiB
C++
306 строки
10 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Foundation code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <pavlov@pavlov.net>
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* Masayuki Nakano <masayuki@d-toybox.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef GFX_WINDOWS_PLATFORM_H
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#define GFX_WINDOWS_PLATFORM_H
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/**
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* XXX to get CAIRO_HAS_D2D_SURFACE, CAIRO_HAS_DWRITE_FONT
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* and cairo_win32_scaled_font_select_font
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*/
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#include "cairo-win32.h"
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#include "gfxFontUtils.h"
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#include "gfxWindowsSurface.h"
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#include "gfxFont.h"
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#ifdef CAIRO_HAS_DWRITE_FONT
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#include "gfxDWriteFonts.h"
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#endif
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#include "gfxPlatform.h"
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#include "gfxContext.h"
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#include "nsTArray.h"
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#include "nsDataHashtable.h"
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#include <windows.h>
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#include <objbase.h>
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class nsIMemoryMultiReporter;
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// Utility to get a Windows HDC from a thebes context,
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// used by both GDI and Uniscribe font shapers
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struct DCFromContext {
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DCFromContext(gfxContext *aContext) {
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dc = NULL;
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nsRefPtr<gfxASurface> aSurface = aContext->CurrentSurface();
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NS_ASSERTION(aSurface, "DCFromContext: null surface");
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if (aSurface &&
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(aSurface->GetType() == gfxASurface::SurfaceTypeWin32 ||
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aSurface->GetType() == gfxASurface::SurfaceTypeWin32Printing))
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{
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dc = static_cast<gfxWindowsSurface*>(aSurface.get())->GetDC();
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needsRelease = false;
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SaveDC(dc);
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cairo_scaled_font_t* scaled =
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cairo_get_scaled_font(aContext->GetCairo());
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cairo_win32_scaled_font_select_font(scaled, dc);
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}
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if (!dc) {
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dc = GetDC(NULL);
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SetGraphicsMode(dc, GM_ADVANCED);
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needsRelease = true;
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}
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}
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~DCFromContext() {
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if (needsRelease) {
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ReleaseDC(NULL, dc);
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} else {
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RestoreDC(dc, -1);
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}
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}
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operator HDC () {
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return dc;
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}
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HDC dc;
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bool needsRelease;
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};
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// ClearType parameters set by running ClearType tuner
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struct ClearTypeParameterInfo {
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ClearTypeParameterInfo() :
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gamma(-1), pixelStructure(-1), clearTypeLevel(-1), enhancedContrast(-1)
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{ }
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nsString displayName; // typically just 'DISPLAY1'
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PRInt32 gamma;
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PRInt32 pixelStructure;
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PRInt32 clearTypeLevel;
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PRInt32 enhancedContrast;
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};
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class THEBES_API gfxWindowsPlatform : public gfxPlatform {
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public:
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enum TextRenderingMode {
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TEXT_RENDERING_NO_CLEARTYPE,
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TEXT_RENDERING_NORMAL,
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TEXT_RENDERING_GDI_CLASSIC,
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TEXT_RENDERING_COUNT
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};
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gfxWindowsPlatform();
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virtual ~gfxWindowsPlatform();
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static gfxWindowsPlatform *GetPlatform() {
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return (gfxWindowsPlatform*) gfxPlatform::GetPlatform();
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}
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virtual gfxPlatformFontList* CreatePlatformFontList();
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already_AddRefed<gfxASurface> CreateOffscreenSurface(const gfxIntSize& size,
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gfxASurface::gfxContentType contentType);
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virtual mozilla::RefPtr<mozilla::gfx::ScaledFont>
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GetScaledFontForFont(gfxFont *aFont);
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virtual already_AddRefed<gfxASurface>
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GetThebesSurfaceForDrawTarget(mozilla::gfx::DrawTarget *aTarget);
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virtual bool SupportsAzure(mozilla::gfx::BackendType& aBackend);
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enum RenderMode {
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/* Use GDI and windows surfaces */
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RENDER_GDI = 0,
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/* Use 32bpp image surfaces and call StretchDIBits */
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RENDER_IMAGE_STRETCH32,
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/* Use 32bpp image surfaces, and do 32->24 conversion before calling StretchDIBits */
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RENDER_IMAGE_STRETCH24,
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/* Use Direct2D rendering */
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RENDER_DIRECT2D,
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/* max */
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RENDER_MODE_MAX
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};
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RenderMode GetRenderMode() { return mRenderMode; }
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void SetRenderMode(RenderMode rmode) { mRenderMode = rmode; }
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/**
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* Updates render mode with relation to the current preferences and
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* available devices.
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*/
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void UpdateRenderMode();
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/**
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* Verifies a D2D device is present and working, will attempt to create one
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* it is non-functional or non-existant.
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*
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* \param aAttemptForce Attempt to force D2D cairo device creation by using
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* cairo device creation routines.
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*/
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void VerifyD2DDevice(bool aAttemptForce);
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HDC GetScreenDC() { return mScreenDC; }
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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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virtual void GetCommonFallbackFonts(const PRUint32 aCh,
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PRInt32 aRunScript,
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nsTArray<const char*>& aFontList);
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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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/**
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* Look up a local platform font using the full font face name (needed to 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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virtual gfxFontEntry* MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
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const PRUint8 *aFontData,
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PRUint32 aLength);
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/**
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* Check whether format is supported on a platform or not (if unclear, returns true)
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*/
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virtual bool IsFontFormatSupported(nsIURI *aFontURI, PRUint32 aFormatFlags);
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/* Find a FontFamily/FontEntry object that represents a font on your system given a name */
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gfxFontFamily *FindFontFamily(const nsAString& aName);
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gfxFontEntry *FindFontEntry(const nsAString& aName, const gfxFontStyle& aFontStyle);
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bool GetPrefFontEntries(const nsCString& aLangGroup, nsTArray<nsRefPtr<gfxFontEntry> > *array);
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void SetPrefFontEntries(const nsCString& aLangGroup, nsTArray<nsRefPtr<gfxFontEntry> >& array);
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void ClearPrefFonts() { mPrefFonts.Clear(); }
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// ClearType is not always enabled even when available (e.g. Windows XP)
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// if either of these prefs are enabled and apply, use ClearType rendering
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bool UseClearTypeForDownloadableFonts();
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bool UseClearTypeAlways();
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// OS version in 16.16 major/minor form
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// based on http://msdn.microsoft.com/en-us/library/ms724834(VS.85).aspx
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enum {
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kWindowsUnknown = 0,
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kWindowsXP = 0x50001,
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kWindowsServer2003 = 0x50002,
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kWindowsVista = 0x60000,
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kWindows7 = 0x60001
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};
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static PRInt32 WindowsOSVersion(PRInt32 *aBuildNum = nsnull);
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static void GetDLLVersion(const PRUnichar *aDLLPath, nsAString& aVersion);
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// returns ClearType tuning information for each display
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static void GetCleartypeParams(nsTArray<ClearTypeParameterInfo>& aParams);
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virtual void FontsPrefsChanged(const char *aPref);
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void SetupClearTypeParams();
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#ifdef CAIRO_HAS_DWRITE_FONT
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IDWriteFactory *GetDWriteFactory() { return mDWriteFactory; }
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inline bool DWriteEnabled() { return mUseDirectWrite; }
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inline DWRITE_MEASURING_MODE DWriteMeasuringMode() { return mMeasuringMode; }
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IDWriteTextAnalyzer *GetDWriteAnalyzer() { return mDWriteAnalyzer; }
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IDWriteRenderingParams *GetRenderingParams(TextRenderingMode aRenderMode)
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{ return mRenderingParams[aRenderMode]; }
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#else
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inline bool DWriteEnabled() { return false; }
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#endif
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#ifdef CAIRO_HAS_D2D_SURFACE
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cairo_device_t *GetD2DDevice() { return mD2DDevice; }
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ID3D10Device1 *GetD3D10Device() { return mD2DDevice ? cairo_d2d_device_get_device(mD2DDevice) : nsnull; }
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#endif
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static bool IsOptimus();
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protected:
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RenderMode mRenderMode;
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PRInt8 mUseClearTypeForDownloadableFonts;
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PRInt8 mUseClearTypeAlways;
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HDC mScreenDC;
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private:
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void Init();
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bool mUseDirectWrite;
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bool mUsingGDIFonts;
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#ifdef CAIRO_HAS_DWRITE_FONT
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nsRefPtr<IDWriteFactory> mDWriteFactory;
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nsRefPtr<IDWriteTextAnalyzer> mDWriteAnalyzer;
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nsRefPtr<IDWriteRenderingParams> mRenderingParams[TEXT_RENDERING_COUNT];
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DWRITE_MEASURING_MODE mMeasuringMode;
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#endif
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#ifdef CAIRO_HAS_D2D_SURFACE
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cairo_device_t *mD2DDevice;
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#endif
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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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nsIMemoryMultiReporter* mGPUAdapterMultiReporter;
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};
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#endif /* GFX_WINDOWS_PLATFORM_H */
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