| /* |
| * (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 2000 Dirk Mueller (mueller@kde.org) |
| * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved. |
| * |
| * 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 TextPainter_h |
| #define TextPainter_h |
| |
| #include "AffineTransform.h" |
| #include "RenderText.h" |
| |
| namespace WebCore { |
| |
| class RenderCombineText; |
| |
| struct TextPaintStyle; |
| |
| enum RotationDirection { Counterclockwise, Clockwise }; |
| |
| static inline AffineTransform rotation(const FloatRect& boxRect, RotationDirection clockwise) |
| { |
| return clockwise ? AffineTransform(0, 1, -1, 0, boxRect.x() + boxRect.maxY(), boxRect.maxY() - boxRect.x()) |
| : AffineTransform(0, -1, 1, 0, boxRect.x() - boxRect.maxY(), boxRect.x() + boxRect.maxY()); |
| } |
| |
| struct SavedDrawingStateForMask { |
| SavedDrawingStateForMask(GraphicsContext* context, TextPaintStyle* textPaintStyle, TextPaintStyle* selectionPaintStyle, |
| const ShadowData* textShadow, const ShadowData* selectionShadow) |
| : m_context(context) |
| , m_textPaintStyle(textPaintStyle) |
| , m_selectionPaintStyle(selectionPaintStyle) |
| , m_textShadow(textShadow) |
| , m_selectionShadow(selectionShadow) |
| { |
| } |
| GraphicsContext* m_context; |
| TextPaintStyle* m_textPaintStyle; |
| TextPaintStyle* m_selectionPaintStyle; |
| const ShadowData* m_textShadow; |
| const ShadowData* m_selectionShadow; |
| }; |
| |
| class TextPainter { |
| public: |
| TextPainter(GraphicsContext&, bool paintSelectedTextOnly, bool paintSelectedTextSeparately, const Font&, |
| int startPositionInTextRun, int endPositionInTextBoxString, int length, const AtomicString& emphasisMark, RenderCombineText*, |
| TextRun&, FloatRect& boxRect, FloatPoint& textOrigin, int emphasisMarkOffset, const ShadowData* textShadow, const ShadowData* selectionShadow, |
| bool textBoxIsHorizontal, TextPaintStyle& nonSelectionPaintStyle, TextPaintStyle& selectionPaintStyle); |
| |
| void paintText(); |
| void paintTextInContext(GraphicsContext&, float amountToIncreaseStrokeWidthBy); |
| |
| private: |
| bool m_paintSelectedTextOnly; |
| bool m_paintSelectedTextSeparately; |
| const Font& m_font; |
| int m_startPositionInTextRun; |
| int m_endPositionInTextRun; |
| int m_length; |
| const AtomicString& m_emphasisMark; |
| RenderCombineText* m_combinedText; |
| TextRun& m_textRun; |
| FloatRect& m_boxRect; |
| FloatPoint& m_textOrigin; |
| int m_emphasisMarkOffset; |
| bool m_textBoxIsHorizontal; |
| SavedDrawingStateForMask m_savedDrawingStateForMask; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // TextPainter_h |