1 /* 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef TextMetrics_h 27 #define TextMetrics_h 28 29 #include "bindings/v8/ScriptWrappable.h" 30 #include "wtf/PassRefPtr.h" 31 #include "wtf/RefCounted.h" 32 33 namespace WebCore { 34 35 class TextMetrics : public RefCounted<TextMetrics>, public ScriptWrappable { 36 public: create()37 static PassRefPtr<TextMetrics> create() { return adoptRef(new TextMetrics); } 38 width()39 float width() const { return m_width; } setWidth(float w)40 void setWidth(float w) { m_width = w; } 41 actualBoundingBoxLeft()42 float actualBoundingBoxLeft() const { return m_actualBoundingBoxLeft; } setActualBoundingBoxLeft(float actualBoundingBoxLeft)43 void setActualBoundingBoxLeft(float actualBoundingBoxLeft) { m_actualBoundingBoxLeft = actualBoundingBoxLeft; } 44 actualBoundingBoxRight()45 float actualBoundingBoxRight() const { return m_actualBoundingBoxRight; } setActualBoundingBoxRight(float actualBoundingBoxRight)46 void setActualBoundingBoxRight(float actualBoundingBoxRight) { m_actualBoundingBoxRight = actualBoundingBoxRight; } 47 fontBoundingBoxAscent()48 float fontBoundingBoxAscent() const { return m_fontBoundingBoxAscent; } setFontBoundingBoxAscent(float fontBoundingBoxAscent)49 void setFontBoundingBoxAscent(float fontBoundingBoxAscent) { m_fontBoundingBoxAscent = fontBoundingBoxAscent; } 50 fontBoundingBoxDescent()51 float fontBoundingBoxDescent() const { return m_fontBoundingBoxDescent; } setFontBoundingBoxDescent(float fontBoundingBoxDescent)52 void setFontBoundingBoxDescent(float fontBoundingBoxDescent) { m_fontBoundingBoxDescent = fontBoundingBoxDescent; } 53 actualBoundingBoxAscent()54 float actualBoundingBoxAscent() const { return m_actualBoundingBoxAscent; } setActualBoundingBoxAscent(float actualBoundingBoxAscent)55 void setActualBoundingBoxAscent(float actualBoundingBoxAscent) { m_actualBoundingBoxAscent = actualBoundingBoxAscent; } 56 actualBoundingBoxDescent()57 float actualBoundingBoxDescent() const { return m_actualBoundingBoxDescent; } setActualBoundingBoxDescent(float actualBoundingBoxDescent)58 void setActualBoundingBoxDescent(float actualBoundingBoxDescent) { m_actualBoundingBoxDescent = actualBoundingBoxDescent; } 59 emHeightAscent()60 float emHeightAscent() const { return m_emHeightAscent; } setEmHeightAscent(float emHeightAscent)61 void setEmHeightAscent(float emHeightAscent) { m_emHeightAscent = emHeightAscent; } 62 emHeightDescent()63 float emHeightDescent() const { return m_emHeightDescent; } setEmHeightDescent(float emHeightDescent)64 void setEmHeightDescent(float emHeightDescent) { m_emHeightDescent = emHeightDescent; } 65 hangingBaseline()66 float hangingBaseline() const { return m_hangingBaseline; } setHangingBaseline(float hangingBaseline)67 void setHangingBaseline(float hangingBaseline) { m_hangingBaseline = hangingBaseline; } 68 alphabeticBaseline()69 float alphabeticBaseline() const { return m_alphabeticBaseline; } setAlphabeticBaseline(float alphabeticBaseline)70 void setAlphabeticBaseline(float alphabeticBaseline) { m_alphabeticBaseline = alphabeticBaseline; } 71 ideographicBaseline()72 float ideographicBaseline() const { return m_ideographicBaseline; } setIdeographicBaseline(float ideographicBaseline)73 void setIdeographicBaseline(float ideographicBaseline) { m_ideographicBaseline = ideographicBaseline; } 74 75 private: TextMetrics()76 TextMetrics() 77 : m_width(0) 78 , m_actualBoundingBoxLeft(0) 79 , m_actualBoundingBoxRight(0) 80 , m_fontBoundingBoxAscent(0) 81 , m_fontBoundingBoxDescent(0) 82 , m_actualBoundingBoxAscent(0) 83 , m_actualBoundingBoxDescent(0) 84 , m_emHeightAscent(0) 85 , m_emHeightDescent(0) 86 , m_hangingBaseline(0) 87 , m_alphabeticBaseline(0) 88 , m_ideographicBaseline(0) 89 { 90 ScriptWrappable::init(this); 91 } 92 93 // x-direction 94 float m_width; 95 float m_actualBoundingBoxLeft; 96 float m_actualBoundingBoxRight; 97 98 // y-direction 99 float m_fontBoundingBoxAscent; 100 float m_fontBoundingBoxDescent; 101 float m_actualBoundingBoxAscent; 102 float m_actualBoundingBoxDescent; 103 float m_emHeightAscent; 104 float m_emHeightDescent; 105 float m_hangingBaseline; 106 float m_alphabeticBaseline; 107 float m_ideographicBaseline; 108 }; 109 110 } // namespace WebCore 111 112 #endif // TextMetrics_h 113