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/core/v8/ScriptWrappable.h" 30 #include "platform/heap/Handle.h" 31 #include "wtf/PassRefPtr.h" 32 #include "wtf/RefCounted.h" 33 34 namespace blink { 35 36 class TextMetrics FINAL : public RefCountedWillBeGarbageCollected<TextMetrics>, public ScriptWrappable { 37 DEFINE_WRAPPERTYPEINFO(); 38 public: create()39 static PassRefPtrWillBeRawPtr<TextMetrics> create() { return adoptRefWillBeNoop(new TextMetrics); } 40 width()41 float width() const { return m_width; } setWidth(float w)42 void setWidth(float w) { m_width = w; } 43 actualBoundingBoxLeft()44 float actualBoundingBoxLeft() const { return m_actualBoundingBoxLeft; } setActualBoundingBoxLeft(float actualBoundingBoxLeft)45 void setActualBoundingBoxLeft(float actualBoundingBoxLeft) { m_actualBoundingBoxLeft = actualBoundingBoxLeft; } 46 actualBoundingBoxRight()47 float actualBoundingBoxRight() const { return m_actualBoundingBoxRight; } setActualBoundingBoxRight(float actualBoundingBoxRight)48 void setActualBoundingBoxRight(float actualBoundingBoxRight) { m_actualBoundingBoxRight = actualBoundingBoxRight; } 49 fontBoundingBoxAscent()50 float fontBoundingBoxAscent() const { return m_fontBoundingBoxAscent; } setFontBoundingBoxAscent(float fontBoundingBoxAscent)51 void setFontBoundingBoxAscent(float fontBoundingBoxAscent) { m_fontBoundingBoxAscent = fontBoundingBoxAscent; } 52 fontBoundingBoxDescent()53 float fontBoundingBoxDescent() const { return m_fontBoundingBoxDescent; } setFontBoundingBoxDescent(float fontBoundingBoxDescent)54 void setFontBoundingBoxDescent(float fontBoundingBoxDescent) { m_fontBoundingBoxDescent = fontBoundingBoxDescent; } 55 actualBoundingBoxAscent()56 float actualBoundingBoxAscent() const { return m_actualBoundingBoxAscent; } setActualBoundingBoxAscent(float actualBoundingBoxAscent)57 void setActualBoundingBoxAscent(float actualBoundingBoxAscent) { m_actualBoundingBoxAscent = actualBoundingBoxAscent; } 58 actualBoundingBoxDescent()59 float actualBoundingBoxDescent() const { return m_actualBoundingBoxDescent; } setActualBoundingBoxDescent(float actualBoundingBoxDescent)60 void setActualBoundingBoxDescent(float actualBoundingBoxDescent) { m_actualBoundingBoxDescent = actualBoundingBoxDescent; } 61 emHeightAscent()62 float emHeightAscent() const { return m_emHeightAscent; } setEmHeightAscent(float emHeightAscent)63 void setEmHeightAscent(float emHeightAscent) { m_emHeightAscent = emHeightAscent; } 64 emHeightDescent()65 float emHeightDescent() const { return m_emHeightDescent; } setEmHeightDescent(float emHeightDescent)66 void setEmHeightDescent(float emHeightDescent) { m_emHeightDescent = emHeightDescent; } 67 hangingBaseline()68 float hangingBaseline() const { return m_hangingBaseline; } setHangingBaseline(float hangingBaseline)69 void setHangingBaseline(float hangingBaseline) { m_hangingBaseline = hangingBaseline; } 70 alphabeticBaseline()71 float alphabeticBaseline() const { return m_alphabeticBaseline; } setAlphabeticBaseline(float alphabeticBaseline)72 void setAlphabeticBaseline(float alphabeticBaseline) { m_alphabeticBaseline = alphabeticBaseline; } 73 ideographicBaseline()74 float ideographicBaseline() const { return m_ideographicBaseline; } setIdeographicBaseline(float ideographicBaseline)75 void setIdeographicBaseline(float ideographicBaseline) { m_ideographicBaseline = ideographicBaseline; } 76 trace(Visitor *)77 void trace(Visitor*) { } 78 79 private: TextMetrics()80 TextMetrics() 81 : m_width(0) 82 , m_actualBoundingBoxLeft(0) 83 , m_actualBoundingBoxRight(0) 84 , m_fontBoundingBoxAscent(0) 85 , m_fontBoundingBoxDescent(0) 86 , m_actualBoundingBoxAscent(0) 87 , m_actualBoundingBoxDescent(0) 88 , m_emHeightAscent(0) 89 , m_emHeightDescent(0) 90 , m_hangingBaseline(0) 91 , m_alphabeticBaseline(0) 92 , m_ideographicBaseline(0) { } 93 94 // x-direction 95 float m_width; 96 float m_actualBoundingBoxLeft; 97 float m_actualBoundingBoxRight; 98 99 // y-direction 100 float m_fontBoundingBoxAscent; 101 float m_fontBoundingBoxDescent; 102 float m_actualBoundingBoxAscent; 103 float m_actualBoundingBoxDescent; 104 float m_emHeightAscent; 105 float m_emHeightDescent; 106 float m_hangingBaseline; 107 float m_alphabeticBaseline; 108 float m_ideographicBaseline; 109 }; 110 111 } // namespace blink 112 113 #endif // TextMetrics_h 114