From cad810f21b803229eb11403f9209855525a25d57 Mon Sep 17 00:00:00 2001 From: Steve Block Date: Fri, 6 May 2011 11:45:16 +0100 Subject: Merge WebKit at r75315: Initial merge by git. Change-Id: I570314b346ce101c935ed22a626b48c2af266b84 --- Source/WebCore/platform/graphics/TextRun.h | 143 +++++++++++++++++++++++++++++ 1 file changed, 143 insertions(+) create mode 100644 Source/WebCore/platform/graphics/TextRun.h (limited to 'Source/WebCore/platform/graphics/TextRun.h') diff --git a/Source/WebCore/platform/graphics/TextRun.h b/Source/WebCore/platform/graphics/TextRun.h new file mode 100644 index 0000000..dce5535 --- /dev/null +++ b/Source/WebCore/platform/graphics/TextRun.h @@ -0,0 +1,143 @@ +/* + * Copyright (C) 2000 Lars Knoll (knoll@kde.org) + * (C) 2000 Antti Koivisto (koivisto@kde.org) + * (C) 2000 Dirk Mueller (mueller@kde.org) + * Copyright (C) 2003, 2006, 2007 Apple Computer, Inc. + * + * 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 TextRun_h +#define TextRun_h + +#include "PlatformString.h" + +namespace WebCore { + +class RenderObject; +class RenderSVGResource; + +class TextRun { +public: + TextRun(const UChar* c, int len, bool allowTabs = false, int xpos = 0, int padding = 0, bool rtl = false, bool directionalOverride = false, + bool applyRunRounding = true, bool applyWordRounding = true) + : m_characters(c) + , m_len(len) + , m_xpos(xpos) + , m_padding(padding) +#if ENABLE(SVG) + , m_horizontalGlyphStretch(1) +#endif + , m_allowTabs(allowTabs) + , m_rtl(rtl) + , m_directionalOverride(directionalOverride) + , m_applyRunRounding(applyRunRounding) + , m_applyWordRounding(applyWordRounding) + , m_disableSpacing(false) +#if ENABLE(SVG_FONTS) + , m_referencingRenderObject(0) + , m_activePaintingResource(0) +#endif + { + } + + TextRun(const String& s, bool allowTabs = false, int xpos = 0, int padding = 0, bool rtl = false, bool directionalOverride = false, + bool applyRunRounding = true, bool applyWordRounding = true) + : m_characters(s.characters()) + , m_len(s.length()) + , m_xpos(xpos) + , m_padding(padding) +#if ENABLE(SVG) + , m_horizontalGlyphStretch(1) +#endif + , m_allowTabs(allowTabs) + , m_rtl(rtl) + , m_directionalOverride(directionalOverride) + , m_applyRunRounding(applyRunRounding) + , m_applyWordRounding(applyWordRounding) + , m_disableSpacing(false) +#if ENABLE(SVG_FONTS) + , m_referencingRenderObject(0) + , m_activePaintingResource(0) +#endif + { + } + + UChar operator[](int i) const { return m_characters[i]; } + const UChar* data(int i) const { return &m_characters[i]; } + + const UChar* characters() const { return m_characters; } + int length() const { return m_len; } + + void setText(const UChar* c, int len) { m_characters = c; m_len = len; } + +#if ENABLE(SVG) + float horizontalGlyphStretch() const { return m_horizontalGlyphStretch; } + void setHorizontalGlyphStretch(float scale) { m_horizontalGlyphStretch = scale; } +#endif + + bool allowTabs() const { return m_allowTabs; } + int xPos() const { return m_xpos; } + int padding() const { return m_padding; } + bool rtl() const { return m_rtl; } + bool ltr() const { return !m_rtl; } + bool directionalOverride() const { return m_directionalOverride; } + bool applyRunRounding() const { return m_applyRunRounding; } + bool applyWordRounding() const { return m_applyWordRounding; } + bool spacingDisabled() const { return m_disableSpacing; } + + void disableSpacing() { m_disableSpacing = true; } + void disableRoundingHacks() { m_applyRunRounding = m_applyWordRounding = false; } + void setRTL(bool b) { m_rtl = b; } + void setDirectionalOverride(bool override) { m_directionalOverride = override; } + +#if ENABLE(SVG_FONTS) + RenderObject* referencingRenderObject() const { return m_referencingRenderObject; } + void setReferencingRenderObject(RenderObject* object) { m_referencingRenderObject = object; } + + RenderSVGResource* activePaintingResource() const { return m_activePaintingResource; } + void setActivePaintingResource(RenderSVGResource* object) { m_activePaintingResource = object; } +#endif + +private: + const UChar* m_characters; + int m_len; + + // m_xpos is the x position relative to the left start of the text line, not relative to the left + // start of the containing block. In the case of right alignment or center alignment, left start of + // the text line is not the same as left start of the containing block. + int m_xpos; + int m_padding; +#if ENABLE(SVG) + float m_horizontalGlyphStretch; +#endif + bool m_allowTabs; + bool m_rtl; + bool m_directionalOverride; + bool m_applyRunRounding; + bool m_applyWordRounding; + bool m_disableSpacing; + +#if ENABLE(SVG_FONTS) + RenderObject* m_referencingRenderObject; + RenderSVGResource* m_activePaintingResource; +#endif +}; + +} + +#endif -- cgit v1.1