mirror of
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f5cf8c125c
--HG-- rename : gfx/thebes/src/GLContext.cpp => gfx/thebes/GLContext.cpp rename : gfx/thebes/public/GLContext.h => gfx/thebes/GLContext.h rename : gfx/thebes/public/GLContextProvider.h => gfx/thebes/GLContextProvider.h rename : gfx/thebes/src/GLContextProviderCGL.mm => gfx/thebes/GLContextProviderCGL.mm rename : gfx/thebes/src/GLContextProviderEGL.cpp => gfx/thebes/GLContextProviderEGL.cpp rename : gfx/thebes/src/GLContextProviderGLX.cpp => gfx/thebes/GLContextProviderGLX.cpp rename : gfx/thebes/src/GLContextProviderNull.cpp => gfx/thebes/GLContextProviderNull.cpp rename : gfx/thebes/src/GLContextProviderOSMesa.cpp => gfx/thebes/GLContextProviderOSMesa.cpp rename : gfx/thebes/src/GLContextProviderWGL.cpp => gfx/thebes/GLContextProviderWGL.cpp rename : gfx/thebes/public/GLDefs.h => gfx/thebes/GLDefs.h rename : gfx/thebes/public/GLXLibrary.h => gfx/thebes/GLXLibrary.h rename : gfx/thebes/public/WGLLibrary.h => gfx/thebes/WGLLibrary.h rename : gfx/thebes/src/cairo-gdk-utils.c => gfx/thebes/cairo-gdk-utils.c rename : gfx/thebes/src/cairo-gdk-utils.h => gfx/thebes/cairo-gdk-utils.h rename : gfx/thebes/src/cairo-xlib-utils.c => gfx/thebes/cairo-xlib-utils.c rename : gfx/thebes/src/cairo-xlib-utils.h => gfx/thebes/cairo-xlib-utils.h rename : gfx/thebes/src/genUnicodeScriptData.pl => gfx/thebes/genUnicodeScriptData.pl rename : gfx/thebes/public/gfx3DMatrix.h => gfx/thebes/gfx3DMatrix.h rename : gfx/thebes/src/gfxASurface.cpp => gfx/thebes/gfxASurface.cpp rename : gfx/thebes/public/gfxASurface.h => gfx/thebes/gfxASurface.h rename : gfx/thebes/src/gfxAlphaRecovery.cpp => gfx/thebes/gfxAlphaRecovery.cpp rename : gfx/thebes/public/gfxAlphaRecovery.h => gfx/thebes/gfxAlphaRecovery.h rename : gfx/thebes/src/gfxAndroidPlatform.cpp => gfx/thebes/gfxAndroidPlatform.cpp rename : gfx/thebes/public/gfxAndroidPlatform.h => gfx/thebes/gfxAndroidPlatform.h rename : gfx/thebes/src/gfxAtomList.h => gfx/thebes/gfxAtomList.h rename : gfx/thebes/src/gfxAtoms.cpp => gfx/thebes/gfxAtoms.cpp rename : gfx/thebes/src/gfxAtoms.h => gfx/thebes/gfxAtoms.h rename : gfx/thebes/src/gfxBeOSPlatform.cpp => gfx/thebes/gfxBeOSPlatform.cpp rename : gfx/thebes/public/gfxBeOSPlatform.h => gfx/thebes/gfxBeOSPlatform.h rename : gfx/thebes/src/gfxBeOSSurface.cpp => gfx/thebes/gfxBeOSSurface.cpp rename : gfx/thebes/public/gfxBeOSSurface.h => gfx/thebes/gfxBeOSSurface.h rename : gfx/thebes/public/gfxColor.h => gfx/thebes/gfxColor.h rename : gfx/thebes/src/gfxContext.cpp => gfx/thebes/gfxContext.cpp rename : gfx/thebes/public/gfxContext.h => gfx/thebes/gfxContext.h rename : gfx/thebes/src/gfxCoreTextShaper.cpp => gfx/thebes/gfxCoreTextShaper.cpp rename : gfx/thebes/src/gfxCoreTextShaper.h => gfx/thebes/gfxCoreTextShaper.h rename : gfx/thebes/src/gfxD2DSurface.cpp => gfx/thebes/gfxD2DSurface.cpp rename : gfx/thebes/public/gfxD2DSurface.h => gfx/thebes/gfxD2DSurface.h rename : gfx/thebes/src/gfxDDrawSurface.cpp => gfx/thebes/gfxDDrawSurface.cpp rename : gfx/thebes/public/gfxDDrawSurface.h => gfx/thebes/gfxDDrawSurface.h rename : gfx/thebes/src/gfxDWriteCommon.cpp => gfx/thebes/gfxDWriteCommon.cpp rename : gfx/thebes/src/gfxDWriteCommon.h => gfx/thebes/gfxDWriteCommon.h rename : gfx/thebes/src/gfxDWriteFontList.cpp => gfx/thebes/gfxDWriteFontList.cpp rename : gfx/thebes/src/gfxDWriteFontList.h => gfx/thebes/gfxDWriteFontList.h rename : gfx/thebes/src/gfxDWriteFonts.cpp => gfx/thebes/gfxDWriteFonts.cpp rename : gfx/thebes/public/gfxDWriteFonts.h => gfx/thebes/gfxDWriteFonts.h rename : gfx/thebes/src/gfxDWriteShaper.cpp => gfx/thebes/gfxDWriteShaper.cpp rename : gfx/thebes/src/gfxDWriteShaper.h => gfx/thebes/gfxDWriteShaper.h rename : gfx/thebes/src/gfxDWriteTextAnalysis.cpp => gfx/thebes/gfxDWriteTextAnalysis.cpp rename : gfx/thebes/src/gfxDWriteTextAnalysis.h => gfx/thebes/gfxDWriteTextAnalysis.h rename : gfx/thebes/src/gfxDirectFBSurface.cpp => gfx/thebes/gfxDirectFBSurface.cpp rename : gfx/thebes/public/gfxDirectFBSurface.h => gfx/thebes/gfxDirectFBSurface.h rename : gfx/thebes/src/gfxDllDeps.cpp => gfx/thebes/gfxDllDeps.cpp rename : gfx/thebes/src/gfxFT2FontBase.cpp => gfx/thebes/gfxFT2FontBase.cpp rename : gfx/thebes/public/gfxFT2FontBase.h => gfx/thebes/gfxFT2FontBase.h rename : gfx/thebes/src/gfxFT2FontList.cpp => gfx/thebes/gfxFT2FontList.cpp rename : gfx/thebes/src/gfxFT2FontList.h => gfx/thebes/gfxFT2FontList.h rename : gfx/thebes/src/gfxFT2Fonts.cpp => gfx/thebes/gfxFT2Fonts.cpp rename : gfx/thebes/public/gfxFT2Fonts.h => gfx/thebes/gfxFT2Fonts.h rename : gfx/thebes/src/gfxFT2Utils.cpp => gfx/thebes/gfxFT2Utils.cpp rename : gfx/thebes/src/gfxFT2Utils.h => gfx/thebes/gfxFT2Utils.h rename : gfx/thebes/src/gfxFont.cpp => gfx/thebes/gfxFont.cpp rename : gfx/thebes/public/gfxFont.h => gfx/thebes/gfxFont.h rename : gfx/thebes/public/gfxFontConstants.h => gfx/thebes/gfxFontConstants.h rename : gfx/thebes/src/gfxFontMissingGlyphs.cpp => gfx/thebes/gfxFontMissingGlyphs.cpp rename : gfx/thebes/src/gfxFontMissingGlyphs.h => gfx/thebes/gfxFontMissingGlyphs.h rename : gfx/thebes/src/gfxFontTest.cpp => gfx/thebes/gfxFontTest.cpp rename : gfx/thebes/public/gfxFontTest.h => gfx/thebes/gfxFontTest.h rename : gfx/thebes/src/gfxFontUtils.cpp => gfx/thebes/gfxFontUtils.cpp rename : gfx/thebes/public/gfxFontUtils.h => gfx/thebes/gfxFontUtils.h rename : gfx/thebes/src/gfxFontconfigUtils.cpp => gfx/thebes/gfxFontconfigUtils.cpp rename : gfx/thebes/src/gfxFontconfigUtils.h => gfx/thebes/gfxFontconfigUtils.h rename : gfx/thebes/src/gfxGDIFont.cpp => gfx/thebes/gfxGDIFont.cpp rename : gfx/thebes/src/gfxGDIFont.h => gfx/thebes/gfxGDIFont.h rename : gfx/thebes/src/gfxGDIFontList.cpp => gfx/thebes/gfxGDIFontList.cpp rename : gfx/thebes/src/gfxGDIFontList.h => gfx/thebes/gfxGDIFontList.h rename : gfx/thebes/src/gfxGDIShaper.cpp => gfx/thebes/gfxGDIShaper.cpp rename : gfx/thebes/src/gfxGDIShaper.h => gfx/thebes/gfxGDIShaper.h rename : gfx/thebes/src/gfxGdkNativeRenderer.cpp => gfx/thebes/gfxGdkNativeRenderer.cpp rename : gfx/thebes/public/gfxGdkNativeRenderer.h => gfx/thebes/gfxGdkNativeRenderer.h rename : gfx/thebes/public/gfxGlitzSurface.h => gfx/thebes/gfxGlitzSurface.h rename : gfx/thebes/src/gfxHarfBuzzShaper.cpp => gfx/thebes/gfxHarfBuzzShaper.cpp rename : gfx/thebes/src/gfxHarfBuzzShaper.h => gfx/thebes/gfxHarfBuzzShaper.h rename : gfx/thebes/src/gfxImageSurface.cpp => gfx/thebes/gfxImageSurface.cpp rename : gfx/thebes/public/gfxImageSurface.h => gfx/thebes/gfxImageSurface.h rename : gfx/thebes/src/gfxMacFont.cpp => gfx/thebes/gfxMacFont.cpp rename : gfx/thebes/src/gfxMacFont.h => gfx/thebes/gfxMacFont.h rename : gfx/thebes/src/gfxMacPlatformFontList.h => gfx/thebes/gfxMacPlatformFontList.h rename : gfx/thebes/src/gfxMacPlatformFontList.mm => gfx/thebes/gfxMacPlatformFontList.mm rename : gfx/thebes/src/gfxMatrix.cpp => gfx/thebes/gfxMatrix.cpp rename : gfx/thebes/public/gfxMatrix.h => gfx/thebes/gfxMatrix.h rename : gfx/thebes/src/gfxOS2Fonts.cpp => gfx/thebes/gfxOS2Fonts.cpp rename : gfx/thebes/public/gfxOS2Fonts.h => gfx/thebes/gfxOS2Fonts.h rename : gfx/thebes/src/gfxOS2Platform.cpp => gfx/thebes/gfxOS2Platform.cpp rename : gfx/thebes/public/gfxOS2Platform.h => gfx/thebes/gfxOS2Platform.h rename : gfx/thebes/src/gfxOS2Surface.cpp => gfx/thebes/gfxOS2Surface.cpp rename : gfx/thebes/public/gfxOS2Surface.h => gfx/thebes/gfxOS2Surface.h rename : gfx/thebes/src/gfxPDFSurface.cpp => gfx/thebes/gfxPDFSurface.cpp rename : gfx/thebes/public/gfxPDFSurface.h => gfx/thebes/gfxPDFSurface.h rename : gfx/thebes/src/gfxPSSurface.cpp => gfx/thebes/gfxPSSurface.cpp rename : gfx/thebes/public/gfxPSSurface.h => gfx/thebes/gfxPSSurface.h rename : gfx/thebes/src/gfxPangoFonts.cpp => gfx/thebes/gfxPangoFonts.cpp rename : gfx/thebes/public/gfxPangoFonts.h => gfx/thebes/gfxPangoFonts.h rename : gfx/thebes/src/gfxPath.cpp => gfx/thebes/gfxPath.cpp rename : gfx/thebes/public/gfxPath.h => gfx/thebes/gfxPath.h rename : gfx/thebes/src/gfxPattern.cpp => gfx/thebes/gfxPattern.cpp rename : gfx/thebes/public/gfxPattern.h => gfx/thebes/gfxPattern.h rename : gfx/thebes/src/gfxPlatform.cpp => gfx/thebes/gfxPlatform.cpp rename : gfx/thebes/public/gfxPlatform.h => gfx/thebes/gfxPlatform.h rename : gfx/thebes/src/gfxPlatformFontList.cpp => gfx/thebes/gfxPlatformFontList.cpp rename : gfx/thebes/src/gfxPlatformFontList.h => gfx/thebes/gfxPlatformFontList.h rename : gfx/thebes/src/gfxPlatformGtk.cpp => gfx/thebes/gfxPlatformGtk.cpp rename : gfx/thebes/public/gfxPlatformGtk.h => gfx/thebes/gfxPlatformGtk.h rename : gfx/thebes/src/gfxPlatformMac.cpp => gfx/thebes/gfxPlatformMac.cpp rename : gfx/thebes/public/gfxPlatformMac.h => gfx/thebes/gfxPlatformMac.h rename : gfx/thebes/public/gfxPoint.h => gfx/thebes/gfxPoint.h rename : gfx/thebes/src/gfxQPainterSurface.cpp => gfx/thebes/gfxQPainterSurface.cpp rename : gfx/thebes/public/gfxQPainterSurface.h => gfx/thebes/gfxQPainterSurface.h rename : gfx/thebes/src/gfxQtNativeRenderer.cpp => gfx/thebes/gfxQtNativeRenderer.cpp rename : gfx/thebes/public/gfxQtNativeRenderer.h => gfx/thebes/gfxQtNativeRenderer.h rename : gfx/thebes/src/gfxQtPlatform.cpp => gfx/thebes/gfxQtPlatform.cpp rename : gfx/thebes/public/gfxQtPlatform.h => gfx/thebes/gfxQtPlatform.h rename : gfx/thebes/src/gfxQuartzImageSurface.cpp => gfx/thebes/gfxQuartzImageSurface.cpp rename : gfx/thebes/public/gfxQuartzImageSurface.h => gfx/thebes/gfxQuartzImageSurface.h rename : gfx/thebes/src/gfxQuartzNativeDrawing.cpp => gfx/thebes/gfxQuartzNativeDrawing.cpp rename : gfx/thebes/public/gfxQuartzNativeDrawing.h => gfx/thebes/gfxQuartzNativeDrawing.h rename : gfx/thebes/src/gfxQuartzPDFSurface.cpp => gfx/thebes/gfxQuartzPDFSurface.cpp rename : gfx/thebes/public/gfxQuartzPDFSurface.h => gfx/thebes/gfxQuartzPDFSurface.h rename : gfx/thebes/src/gfxQuartzSurface.cpp => gfx/thebes/gfxQuartzSurface.cpp rename : gfx/thebes/public/gfxQuartzSurface.h => gfx/thebes/gfxQuartzSurface.h rename : gfx/thebes/src/gfxRect.cpp => gfx/thebes/gfxRect.cpp rename : gfx/thebes/public/gfxRect.h => gfx/thebes/gfxRect.h rename : gfx/thebes/src/gfxScriptItemizer.cpp => gfx/thebes/gfxScriptItemizer.cpp rename : gfx/thebes/src/gfxScriptItemizer.h => gfx/thebes/gfxScriptItemizer.h rename : gfx/thebes/src/gfxSharedImageSurface.cpp => gfx/thebes/gfxSharedImageSurface.cpp rename : gfx/thebes/public/gfxSharedImageSurface.h => gfx/thebes/gfxSharedImageSurface.h rename : gfx/thebes/src/gfxSkipChars.cpp => gfx/thebes/gfxSkipChars.cpp rename : gfx/thebes/public/gfxSkipChars.h => gfx/thebes/gfxSkipChars.h rename : gfx/thebes/src/gfxTextRunCache.cpp => gfx/thebes/gfxTextRunCache.cpp rename : gfx/thebes/public/gfxTextRunCache.h => gfx/thebes/gfxTextRunCache.h rename : gfx/thebes/src/gfxTextRunWordCache.cpp => gfx/thebes/gfxTextRunWordCache.cpp rename : gfx/thebes/public/gfxTextRunWordCache.h => gfx/thebes/gfxTextRunWordCache.h rename : gfx/thebes/public/gfxTypes.h => gfx/thebes/gfxTypes.h rename : gfx/thebes/src/gfxUnicodeProperties.cpp => gfx/thebes/gfxUnicodeProperties.cpp rename : gfx/thebes/src/gfxUnicodeProperties.h => gfx/thebes/gfxUnicodeProperties.h rename : gfx/thebes/src/gfxUnicodePropertyData.cpp => gfx/thebes/gfxUnicodePropertyData.cpp rename : gfx/thebes/src/gfxUniscribeShaper.cpp => gfx/thebes/gfxUniscribeShaper.cpp rename : gfx/thebes/src/gfxUniscribeShaper.h => gfx/thebes/gfxUniscribeShaper.h rename : gfx/thebes/src/gfxUserFontSet.cpp => gfx/thebes/gfxUserFontSet.cpp rename : gfx/thebes/public/gfxUserFontSet.h => gfx/thebes/gfxUserFontSet.h rename : gfx/thebes/src/gfxUtils.cpp => gfx/thebes/gfxUtils.cpp rename : gfx/thebes/public/gfxUtils.h => gfx/thebes/gfxUtils.h rename : gfx/thebes/src/gfxWindowsNativeDrawing.cpp => gfx/thebes/gfxWindowsNativeDrawing.cpp rename : gfx/thebes/public/gfxWindowsNativeDrawing.h => gfx/thebes/gfxWindowsNativeDrawing.h rename : gfx/thebes/src/gfxWindowsPlatform.cpp => gfx/thebes/gfxWindowsPlatform.cpp rename : gfx/thebes/public/gfxWindowsPlatform.h => gfx/thebes/gfxWindowsPlatform.h rename : gfx/thebes/src/gfxWindowsSurface.cpp => gfx/thebes/gfxWindowsSurface.cpp rename : gfx/thebes/public/gfxWindowsSurface.h => gfx/thebes/gfxWindowsSurface.h rename : gfx/thebes/src/gfxXlibNativeRenderer.cpp => gfx/thebes/gfxXlibNativeRenderer.cpp rename : gfx/thebes/public/gfxXlibNativeRenderer.h => gfx/thebes/gfxXlibNativeRenderer.h rename : gfx/thebes/src/gfxXlibSurface.cpp => gfx/thebes/gfxXlibSurface.cpp rename : gfx/thebes/public/gfxXlibSurface.h => gfx/thebes/gfxXlibSurface.h rename : gfx/thebes/src/ignorable.x-ccmap => gfx/thebes/ignorable.x-ccmap rename : gfx/thebes/src/nsUnicodeRange.cpp => gfx/thebes/nsUnicodeRange.cpp rename : gfx/thebes/src/nsUnicodeRange.h => gfx/thebes/nsUnicodeRange.h rename : gfx/thebes/src/woff-private.h => gfx/thebes/woff-private.h rename : gfx/thebes/src/woff.c => gfx/thebes/woff.c rename : gfx/thebes/src/woff.h => gfx/thebes/woff.h
489 lines
17 KiB
C++
489 lines
17 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) 2005-2010
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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 <stuart@mozilla.com>
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* Masayuki Nakano <masayuki@d-toybox.com>
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* Mats Palmgren <mats.palmgren@bredband.net>
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* John Daggett <jdaggett@mozilla.com>
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* Jonathan Kew <jfkthame@gmail.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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#include "gfxGDIFont.h"
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#include "gfxGDIShaper.h"
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#include "gfxUniscribeShaper.h"
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#include "gfxHarfBuzzShaper.h"
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#include "gfxWindowsPlatform.h"
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#include "gfxContext.h"
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#include "gfxUnicodeProperties.h"
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#include "cairo-win32.h"
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#define ROUND(x) floor((x) + 0.5)
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static inline cairo_antialias_t
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GetCairoAntialiasOption(gfxFont::AntialiasOption anAntialiasOption)
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{
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switch (anAntialiasOption) {
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default:
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case gfxFont::kAntialiasDefault:
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return CAIRO_ANTIALIAS_DEFAULT;
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case gfxFont::kAntialiasNone:
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return CAIRO_ANTIALIAS_NONE;
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case gfxFont::kAntialiasGrayscale:
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return CAIRO_ANTIALIAS_GRAY;
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case gfxFont::kAntialiasSubpixel:
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return CAIRO_ANTIALIAS_SUBPIXEL;
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}
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}
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gfxGDIFont::gfxGDIFont(GDIFontEntry *aFontEntry,
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const gfxFontStyle *aFontStyle,
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PRBool aNeedsBold,
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AntialiasOption anAAOption)
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: gfxFont(aFontEntry, aFontStyle, anAAOption),
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mFont(NULL),
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mFontFace(nsnull),
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mScaledFont(nsnull),
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mMetrics(nsnull),
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mSpaceGlyph(0),
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mNeedsBold(aNeedsBold)
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{
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if (FontCanSupportHarfBuzz()) {
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mHarfBuzzShaper = new gfxHarfBuzzShaper(this);
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}
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}
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gfxGDIFont::~gfxGDIFont()
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{
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if (mScaledFont) {
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cairo_scaled_font_destroy(mScaledFont);
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}
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if (mFontFace) {
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cairo_font_face_destroy(mFontFace);
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}
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if (mFont) {
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::DeleteObject(mFont);
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}
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delete mMetrics;
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}
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void
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gfxGDIFont::CreatePlatformShaper()
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{
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mPlatformShaper = new gfxGDIShaper(this);
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}
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gfxFont*
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gfxGDIFont::CopyWithAntialiasOption(AntialiasOption anAAOption)
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{
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return new gfxGDIFont(static_cast<GDIFontEntry*>(mFontEntry.get()),
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&mStyle, mNeedsBold, anAAOption);
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}
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static PRBool
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UseUniscribe(gfxTextRun *aTextRun,
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const PRUnichar *aString,
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PRUint32 aRunStart,
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PRUint32 aRunLength)
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{
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PRUint32 flags = aTextRun->GetFlags();
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PRBool useGDI;
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PRBool isXP = (gfxWindowsPlatform::WindowsOSVersion()
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< gfxWindowsPlatform::kWindowsVista);
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// bug 561304 - Uniscribe bug produces bad positioning at certain
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// font sizes on XP, so default to GDI on XP using logic of 3.6
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useGDI = isXP &&
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(flags &
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(gfxTextRunFactory::TEXT_OPTIMIZE_SPEED |
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gfxTextRunFactory::TEXT_IS_RTL)
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) == gfxTextRunFactory::TEXT_OPTIMIZE_SPEED;
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return !useGDI ||
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ScriptIsComplex(aString + aRunStart, aRunLength, SIC_COMPLEX) == S_OK;
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}
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PRBool
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gfxGDIFont::InitTextRun(gfxContext *aContext,
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gfxTextRun *aTextRun,
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const PRUnichar *aString,
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PRUint32 aRunStart,
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PRUint32 aRunLength,
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PRInt32 aRunScript)
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{
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if (!mMetrics) {
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Initialize();
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}
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if (!mIsValid) {
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NS_WARNING("invalid font! expect incorrect text rendering");
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return PR_FALSE;
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}
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PRBool ok = PR_FALSE;
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if (mHarfBuzzShaper) {
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if (gfxPlatform::GetPlatform()->UseHarfBuzzLevel() >=
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gfxUnicodeProperties::ScriptShapingLevel(aRunScript)) {
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ok = mHarfBuzzShaper->InitTextRun(aContext, aTextRun, aString,
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aRunStart, aRunLength,
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aRunScript);
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}
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}
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if (!ok) {
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GDIFontEntry *fe = static_cast<GDIFontEntry*>(GetFontEntry());
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if (UseUniscribe(aTextRun, aString, aRunStart, aRunLength)
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&& !fe->mForceGDI)
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{
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// first try Uniscribe
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if (!mUniscribeShaper) {
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mUniscribeShaper = new gfxUniscribeShaper(this);
|
|
}
|
|
|
|
ok = mUniscribeShaper->InitTextRun(aContext, aTextRun, aString,
|
|
aRunStart, aRunLength,
|
|
aRunScript);
|
|
if (ok) {
|
|
return PR_TRUE;
|
|
}
|
|
|
|
// fallback to GDI shaping
|
|
if (!mPlatformShaper) {
|
|
CreatePlatformShaper();
|
|
}
|
|
|
|
ok = mPlatformShaper->InitTextRun(aContext, aTextRun, aString,
|
|
aRunStart, aRunLength,
|
|
aRunScript);
|
|
|
|
} else {
|
|
// first use GDI
|
|
if (!mPlatformShaper) {
|
|
CreatePlatformShaper();
|
|
}
|
|
|
|
ok = mPlatformShaper->InitTextRun(aContext, aTextRun, aString,
|
|
aRunStart, aRunLength,
|
|
aRunScript);
|
|
|
|
if (ok) {
|
|
return PR_TRUE;
|
|
}
|
|
|
|
// first try Uniscribe
|
|
if (!mUniscribeShaper) {
|
|
mUniscribeShaper = new gfxUniscribeShaper(this);
|
|
}
|
|
|
|
// use Uniscribe shaping
|
|
ok = mUniscribeShaper->InitTextRun(aContext, aTextRun, aString,
|
|
aRunStart, aRunLength,
|
|
aRunScript);
|
|
}
|
|
|
|
#if DEBUG
|
|
if (!ok) {
|
|
NS_ConvertUTF16toUTF8 name(GetName());
|
|
char msg[256];
|
|
|
|
sprintf(msg,
|
|
"text shaping with both uniscribe and GDI failed for"
|
|
" font: %s",
|
|
name.get());
|
|
NS_WARNING(msg);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
return ok;
|
|
}
|
|
|
|
const gfxFont::Metrics&
|
|
gfxGDIFont::GetMetrics()
|
|
{
|
|
if (!mMetrics) {
|
|
Initialize();
|
|
}
|
|
return *mMetrics;
|
|
}
|
|
|
|
PRUint32
|
|
gfxGDIFont::GetSpaceGlyph()
|
|
{
|
|
if (!mMetrics) {
|
|
Initialize();
|
|
}
|
|
return mSpaceGlyph;
|
|
}
|
|
|
|
PRBool
|
|
gfxGDIFont::SetupCairoFont(gfxContext *aContext)
|
|
{
|
|
if (!mMetrics) {
|
|
Initialize();
|
|
}
|
|
if (cairo_scaled_font_status(mScaledFont) != CAIRO_STATUS_SUCCESS) {
|
|
// Don't cairo_set_scaled_font as that would propagate the error to
|
|
// the cairo_t, precluding any further drawing.
|
|
return PR_FALSE;
|
|
}
|
|
cairo_set_scaled_font(aContext->GetCairo(), mScaledFont);
|
|
cairo_win32_scaled_font_select_font(mScaledFont, DCFromContext(aContext));
|
|
return PR_TRUE;
|
|
}
|
|
|
|
void
|
|
gfxGDIFont::Initialize()
|
|
{
|
|
NS_ASSERTION(!mMetrics, "re-creating metrics? this will leak");
|
|
|
|
LOGFONTW logFont;
|
|
|
|
if (mAdjustedSize == 0.0) {
|
|
mAdjustedSize = mStyle.size;
|
|
if (mStyle.sizeAdjust != 0.0 && mAdjustedSize > 0.0) {
|
|
// to implement font-size-adjust, we first create the "unadjusted" font
|
|
FillLogFont(logFont, mAdjustedSize);
|
|
mFont = ::CreateFontIndirectW(&logFont);
|
|
|
|
// initialize its metrics so we can calculate size adjustment
|
|
Initialize();
|
|
|
|
// calculate the properly adjusted size, and then proceed
|
|
// to recreate mFont and recalculate metrics
|
|
gfxFloat aspect = mMetrics->xHeight / mMetrics->emHeight;
|
|
mAdjustedSize = mStyle.GetAdjustedSize(aspect);
|
|
|
|
// delete the temporary font and metrics
|
|
::DeleteObject(mFont);
|
|
mFont = nsnull;
|
|
delete mMetrics;
|
|
mMetrics = nsnull;
|
|
}
|
|
}
|
|
|
|
FillLogFont(logFont, mAdjustedSize);
|
|
mFont = ::CreateFontIndirectW(&logFont);
|
|
|
|
mMetrics = new gfxFont::Metrics;
|
|
::memset(mMetrics, 0, sizeof(*mMetrics));
|
|
|
|
AutoDC dc;
|
|
SetGraphicsMode(dc.GetDC(), GM_ADVANCED);
|
|
AutoSelectFont selectFont(dc.GetDC(), mFont);
|
|
|
|
// Get font metrics
|
|
OUTLINETEXTMETRIC oMetrics;
|
|
TEXTMETRIC& metrics = oMetrics.otmTextMetrics;
|
|
|
|
if (0 < GetOutlineTextMetrics(dc.GetDC(), sizeof(oMetrics), &oMetrics)) {
|
|
mMetrics->superscriptOffset = (double)oMetrics.otmptSuperscriptOffset.y;
|
|
// Some fonts have wrong sign on their subscript offset, bug 410917.
|
|
mMetrics->subscriptOffset = fabs((double)oMetrics.otmptSubscriptOffset.y);
|
|
mMetrics->strikeoutSize = (double)oMetrics.otmsStrikeoutSize;
|
|
mMetrics->strikeoutOffset = (double)oMetrics.otmsStrikeoutPosition;
|
|
mMetrics->underlineSize = (double)oMetrics.otmsUnderscoreSize;
|
|
mMetrics->underlineOffset = (double)oMetrics.otmsUnderscorePosition;
|
|
|
|
const MAT2 kIdentityMatrix = { {0, 1}, {0, 0}, {0, 0}, {0, 1} };
|
|
GLYPHMETRICS gm;
|
|
DWORD len = GetGlyphOutlineW(dc.GetDC(), PRUnichar('x'), GGO_METRICS, &gm, 0, nsnull, &kIdentityMatrix);
|
|
if (len == GDI_ERROR || gm.gmptGlyphOrigin.y <= 0) {
|
|
// 56% of ascent, best guess for true type
|
|
mMetrics->xHeight = ROUND((double)metrics.tmAscent * 0.56);
|
|
} else {
|
|
mMetrics->xHeight = gm.gmptGlyphOrigin.y;
|
|
}
|
|
mMetrics->emHeight = metrics.tmHeight - metrics.tmInternalLeading;
|
|
gfxFloat typEmHeight = (double)oMetrics.otmAscent - (double)oMetrics.otmDescent;
|
|
mMetrics->emAscent = ROUND(mMetrics->emHeight * (double)oMetrics.otmAscent / typEmHeight);
|
|
mMetrics->emDescent = mMetrics->emHeight - mMetrics->emAscent;
|
|
if (oMetrics.otmEMSquare > 0) {
|
|
mFUnitsConvFactor = GetAdjustedSize() / oMetrics.otmEMSquare;
|
|
}
|
|
} else {
|
|
// Make a best-effort guess at extended metrics
|
|
// this is based on general typographic guidelines
|
|
|
|
// GetTextMetrics can fail if the font file has been removed
|
|
// or corrupted recently.
|
|
BOOL result = GetTextMetrics(dc.GetDC(), &metrics);
|
|
if (!result) {
|
|
NS_WARNING("Missing or corrupt font data, fasten your seatbelt");
|
|
mIsValid = PR_FALSE;
|
|
memset(mMetrics, 0, sizeof(*mMetrics));
|
|
return;
|
|
}
|
|
|
|
mMetrics->xHeight = ROUND((float)metrics.tmAscent * 0.56f); // 56% of ascent, best guess for non-true type
|
|
mMetrics->superscriptOffset = mMetrics->xHeight;
|
|
mMetrics->subscriptOffset = mMetrics->xHeight;
|
|
mMetrics->strikeoutSize = 1;
|
|
mMetrics->strikeoutOffset = ROUND(mMetrics->xHeight * 0.5f); // 50% of xHeight
|
|
mMetrics->underlineSize = 1;
|
|
mMetrics->underlineOffset = -ROUND((float)metrics.tmDescent * 0.30f); // 30% of descent
|
|
mMetrics->emHeight = metrics.tmHeight - metrics.tmInternalLeading;
|
|
mMetrics->emAscent = metrics.tmAscent - metrics.tmInternalLeading;
|
|
mMetrics->emDescent = metrics.tmDescent;
|
|
}
|
|
|
|
mMetrics->internalLeading = metrics.tmInternalLeading;
|
|
mMetrics->externalLeading = metrics.tmExternalLeading;
|
|
mMetrics->maxHeight = metrics.tmHeight;
|
|
mMetrics->maxAscent = metrics.tmAscent;
|
|
mMetrics->maxDescent = metrics.tmDescent;
|
|
mMetrics->maxAdvance = metrics.tmMaxCharWidth;
|
|
mMetrics->aveCharWidth = PR_MAX(1, metrics.tmAveCharWidth);
|
|
// The font is monospace when TMPF_FIXED_PITCH is *not* set!
|
|
// See http://msdn2.microsoft.com/en-us/library/ms534202(VS.85).aspx
|
|
if (!(metrics.tmPitchAndFamily & TMPF_FIXED_PITCH)) {
|
|
mMetrics->maxAdvance = mMetrics->aveCharWidth;
|
|
}
|
|
|
|
// Cache the width of a single space.
|
|
SIZE size;
|
|
GetTextExtentPoint32W(dc.GetDC(), L" ", 1, &size);
|
|
mMetrics->spaceWidth = ROUND(size.cx);
|
|
|
|
// Cache the width of digit zero.
|
|
// XXX MSDN (http://msdn.microsoft.com/en-us/library/ms534223.aspx)
|
|
// does not say what the failure modes for GetTextExtentPoint32 are -
|
|
// is it safe to assume it will fail iff the font has no '0'?
|
|
if (GetTextExtentPoint32W(dc.GetDC(), L"0", 1, &size)) {
|
|
mMetrics->zeroOrAveCharWidth = ROUND(size.cx);
|
|
} else {
|
|
mMetrics->zeroOrAveCharWidth = mMetrics->aveCharWidth;
|
|
}
|
|
|
|
mSpaceGlyph = 0;
|
|
if (metrics.tmPitchAndFamily & TMPF_TRUETYPE) {
|
|
WORD glyph;
|
|
DWORD ret = GetGlyphIndicesW(dc.GetDC(), L" ", 1, &glyph,
|
|
GGI_MARK_NONEXISTING_GLYPHS);
|
|
if (ret != GDI_ERROR && glyph != 0xFFFF) {
|
|
mSpaceGlyph = glyph;
|
|
}
|
|
}
|
|
|
|
SanitizeMetrics(mMetrics, GetFontEntry()->mIsBadUnderlineFont);
|
|
|
|
mFontFace = cairo_win32_font_face_create_for_logfontw_hfont(&logFont,
|
|
mFont);
|
|
|
|
cairo_matrix_t sizeMatrix, ctm;
|
|
cairo_matrix_init_identity(&ctm);
|
|
cairo_matrix_init_scale(&sizeMatrix, mAdjustedSize, mAdjustedSize);
|
|
|
|
cairo_font_options_t *fontOptions = cairo_font_options_create();
|
|
if (mAntialiasOption != kAntialiasDefault) {
|
|
cairo_font_options_set_antialias(fontOptions,
|
|
GetCairoAntialiasOption(mAntialiasOption));
|
|
}
|
|
mScaledFont = cairo_scaled_font_create(mFontFace, &sizeMatrix,
|
|
&ctm, fontOptions);
|
|
cairo_font_options_destroy(fontOptions);
|
|
|
|
cairo_status_t cairoerr = cairo_scaled_font_status(mScaledFont);
|
|
if (cairoerr != CAIRO_STATUS_SUCCESS) {
|
|
#ifdef DEBUG
|
|
char warnBuf[1024];
|
|
sprintf(warnBuf, "Failed to create scaled font: %s status: %d",
|
|
NS_ConvertUTF16toUTF8(mFontEntry->Name()).get(), cairoerr);
|
|
NS_WARNING(warnBuf);
|
|
#endif
|
|
}
|
|
|
|
mIsValid = PR_TRUE;
|
|
|
|
#if 0
|
|
printf("Font: %p (%s) size: %f\n", this,
|
|
NS_ConvertUTF16toUTF8(GetName()).get(), mStyle.size);
|
|
printf(" emHeight: %f emAscent: %f emDescent: %f\n", mMetrics.emHeight, mMetrics.emAscent, mMetrics.emDescent);
|
|
printf(" maxAscent: %f maxDescent: %f maxAdvance: %f\n", mMetrics.maxAscent, mMetrics.maxDescent, mMetrics.maxAdvance);
|
|
printf(" internalLeading: %f externalLeading: %f\n", mMetrics.internalLeading, mMetrics.externalLeading);
|
|
printf(" spaceWidth: %f aveCharWidth: %f xHeight: %f\n", mMetrics.spaceWidth, mMetrics.aveCharWidth, mMetrics.xHeight);
|
|
printf(" uOff: %f uSize: %f stOff: %f stSize: %f supOff: %f subOff: %f\n",
|
|
mMetrics.underlineOffset, mMetrics.underlineSize, mMetrics.strikeoutOffset, mMetrics.strikeoutSize,
|
|
mMetrics.superscriptOffset, mMetrics.subscriptOffset);
|
|
#endif
|
|
}
|
|
|
|
void
|
|
gfxGDIFont::FillLogFont(LOGFONTW& aLogFont, gfxFloat aSize)
|
|
{
|
|
GDIFontEntry *fe = static_cast<GDIFontEntry*>(GetFontEntry());
|
|
|
|
PRUint16 weight = mNeedsBold ? 700 : fe->Weight();
|
|
PRBool italic = (mStyle.style & (FONT_STYLE_ITALIC | FONT_STYLE_OBLIQUE));
|
|
|
|
// if user font, disable italics/bold if defined to be italics/bold face
|
|
// this avoids unwanted synthetic italics/bold
|
|
if (fe->mIsUserFont) {
|
|
if (fe->IsItalic())
|
|
italic = PR_FALSE; // avoid synthetic italic
|
|
if (fe->IsBold()) {
|
|
weight = 400; // avoid synthetic bold
|
|
}
|
|
}
|
|
|
|
fe->FillLogFont(&aLogFont, italic, weight, aSize,
|
|
(mAntialiasOption == kAntialiasSubpixel) ? PR_TRUE : PR_FALSE);
|
|
}
|
|
|
|
PRInt32
|
|
gfxGDIFont::GetHintedGlyphWidth(gfxContext *aCtx, PRUint16 aGID)
|
|
{
|
|
if (!mGlyphWidths.IsInitialized()) {
|
|
mGlyphWidths.Init(200);
|
|
}
|
|
|
|
PRInt32 width;
|
|
if (mGlyphWidths.Get(aGID, &width)) {
|
|
return width;
|
|
}
|
|
|
|
int devWidth;
|
|
if (GetCharWidthI(DCFromContext(aCtx), aGID, 1, NULL, &devWidth)) {
|
|
// ensure width is positive, 16.16 fixed-point value
|
|
width = (devWidth & 0x7fff) << 16;
|
|
mGlyphWidths.Put(aGID, width);
|
|
return width;
|
|
}
|
|
|
|
return -1;
|
|
}
|