third_party/WebKit/Source/core/layout/TextRunConstructor.h

   1 /*
   2  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
   3  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
   4  *           (C) 2007 David Smith (catfish.man@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/Unicode.h"
  42 #include "wtf/text/WTFString.h"
  43
  44 namespace blink {
  45
  46 class Font;
  47 class LayoutObject;
  48 class ComputedStyle;
  49 class LayoutText;
  50 class LineLayoutText;
  51 class LineLayoutItem;
  52
  53 enum TextRunFlag {
  54     DefaultTextRunFlags = 0,
  55     RespectDirection = 1 << 0,
  56     RespectDirectionOverride = 1 << 1
  57 };
  58
  59 typedef unsigned TextRunFlags;
  60
  61 // Direction resolved from string value.
  62 TextRun constructTextRun(const Font&, const String&, const ComputedStyle&, TextRunFlags = DefaultTextRunFlags);
  63 TextRun constructTextRun(const Font&, const LineLayoutText, unsigned offset, unsigned length, const ComputedStyle&);
  64
  65 // Explicit direction.
  66 TextRun constructTextRun(const Font&, const String&, const ComputedStyle&, TextDirection, TextRunFlags = DefaultTextRunFlags);
  67 TextRun constructTextRun(const Font&, const LayoutText*, unsigned offset, unsigned length, const ComputedStyle&, TextDirection);
  68 TextRun constructTextRun(const Font&, const LChar*, int length, const ComputedStyle&, TextDirection);
  69 TextRun constructTextRun(const Font&, const UChar*, int length, const ComputedStyle&, TextDirection);
  70
  71 } // namespace blink
  72
  73 #endif