1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * (C) 1999 Antti Koivisto (koivisto (at) kde.org) 4 * (C) 2007 David Smith (catfish.man (at) gmail.com) 5 * Copyright (C) 2003-2013 Apple Inc. All rights reserved. 6 * Copyright (C) Research In Motion Limited 2010. All rights reserved. 7 * Copyright (C) 2013 Google Inc. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions are 11 * met: 12 * 13 * * Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * * Redistributions in binary form must reproduce the above 16 * copyright notice, this list of conditions and the following disclaimer 17 * in the documentation and/or other materials provided with the 18 * distribution. 19 * * Neither the name of Google Inc. nor the names of its 20 * contributors may be used to endorse or promote products derived from 21 * this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #ifndef TextRunConstructor_h 37 #define TextRunConstructor_h 38 39 #include "platform/text/TextDirection.h" 40 #include "platform/text/TextRun.h" 41 #include "wtf/text/WTFString.h" 42 #include "wtf/unicode/Unicode.h" 43 44 namespace blink { 45 46 class Font; 47 class RenderObject; 48 class RenderStyle; 49 class RenderText; 50 51 enum TextRunFlag { 52 DefaultTextRunFlags = 0, 53 RespectDirection = 1 << 0, 54 RespectDirectionOverride = 1 << 1 55 }; 56 57 typedef unsigned TextRunFlags; 58 59 // Direction resolved from string value. 60 TextRun constructTextRun(RenderObject* context, const Font&, const String&, RenderStyle*, 61 TextRun::ExpansionBehavior = TextRun::AllowTrailingExpansion | TextRun::ForbidLeadingExpansion, TextRunFlags = DefaultTextRunFlags); 62 TextRun constructTextRun(RenderObject* context, const Font&, const RenderText*, unsigned offset, unsigned length, RenderStyle*, 63 TextRun::ExpansionBehavior = TextRun::AllowTrailingExpansion | TextRun::ForbidLeadingExpansion); 64 65 // Explicit direction. 66 TextRun constructTextRun(RenderObject* context, const Font&, const String&, RenderStyle*, TextDirection, 67 TextRun::ExpansionBehavior = TextRun::AllowTrailingExpansion | TextRun::ForbidLeadingExpansion, TextRunFlags = DefaultTextRunFlags); 68 69 TextRun constructTextRun(RenderObject* context, const Font&, const RenderText*, RenderStyle*, TextDirection, 70 TextRun::ExpansionBehavior = TextRun::AllowTrailingExpansion | TextRun::ForbidLeadingExpansion); 71 72 TextRun constructTextRun(RenderObject* context, const Font&, const RenderText*, unsigned offset, unsigned length, RenderStyle*, TextDirection, 73 TextRun::ExpansionBehavior = TextRun::AllowTrailingExpansion | TextRun::ForbidLeadingExpansion); 74 75 TextRun constructTextRun(RenderObject* context, const Font&, const RenderText*, unsigned offset, RenderStyle*, 76 TextRun::ExpansionBehavior = TextRun::AllowTrailingExpansion | TextRun::ForbidLeadingExpansion); 77 78 TextRun constructTextRun(RenderObject* context, const Font&, const LChar* characters, int length, RenderStyle*, TextDirection, 79 TextRun::ExpansionBehavior = TextRun::AllowTrailingExpansion | TextRun::ForbidLeadingExpansion); 80 81 TextRun constructTextRun(RenderObject* context, const Font&, const UChar* characters, int length, RenderStyle*, TextDirection, 82 TextRun::ExpansionBehavior = TextRun::AllowTrailingExpansion | TextRun::ForbidLeadingExpansion); 83 84 } // namespace blink 85 86 #endif 87
