From 1cbdecfa9fc428ac2d8aca0fa91c9580b3d57353 Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Wed, 17 Dec 2008 18:05:15 -0800 Subject: Code drop from //branches/cupcake/...@124589 --- WebCore/platform/graphics/WidthIterator.h | 60 +++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 WebCore/platform/graphics/WidthIterator.h (limited to 'WebCore/platform/graphics/WidthIterator.h') diff --git a/WebCore/platform/graphics/WidthIterator.h b/WebCore/platform/graphics/WidthIterator.h new file mode 100644 index 0000000..a0eb26d --- /dev/null +++ b/WebCore/platform/graphics/WidthIterator.h @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2003, 2006, 2008 Apple Inc. All rights reserved. + * Copyright (C) 2008 Holger Hans Peter Freyther + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#ifndef WidthIterator_h +#define WidthIterator_h + +#include + +namespace WebCore { + +class Font; +class GlyphBuffer; +class TextRun; + +struct WidthIterator { + WidthIterator(const Font*, const TextRun&); + +#ifdef ANDROID_GLYPHBUFFER_HAS_ADJUSTED_WIDTHS + bool advance(int to, GlyphBuffer* = 0); +#else + void advance(int to, GlyphBuffer* = 0); +#endif + bool advanceOneCharacter(float& width, GlyphBuffer* = 0); + + const Font* m_font; + + const TextRun& m_run; + int m_end; + + unsigned m_currentCharacter; + float m_runWidthSoFar; + float m_padding; + float m_padPerSpace; + float m_finalRoundingWidth; + +private: + UChar32 normalizeVoicingMarks(int currentCharacter); +}; + +} + +#endif -- cgit v1.1