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1 /* | 1 /* |
2 * Copyright (C) Research In Motion Limited 2011. All rights reserved. | 2 * Copyright (C) Research In Motion Limited 2011. All rights reserved. |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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37 LengthTypeEMS, | 37 LengthTypeEMS, |
38 LengthTypeEXS, | 38 LengthTypeEXS, |
39 LengthTypePX, | 39 LengthTypePX, |
40 LengthTypeCM, | 40 LengthTypeCM, |
41 LengthTypeMM, | 41 LengthTypeMM, |
42 LengthTypeIN, | 42 LengthTypeIN, |
43 LengthTypePT, | 43 LengthTypePT, |
44 LengthTypePC | 44 LengthTypePC |
45 }; | 45 }; |
46 | 46 |
47 enum SVGLengthMode { | 47 enum class SVGLengthMode { |
48 LengthModeWidth = 0, | 48 Width, |
49 LengthModeHeight, | 49 Height, |
50 LengthModeOther | 50 Other |
51 }; | 51 }; |
52 | 52 |
53 class SVGLengthContext { | 53 class SVGLengthContext { |
54 STACK_ALLOCATED(); | 54 STACK_ALLOCATED(); |
55 public: | 55 public: |
56 explicit SVGLengthContext(const SVGElement*); | 56 explicit SVGLengthContext(const SVGElement*); |
57 | 57 |
58 template<typename T> | 58 template<typename T> |
59 static FloatRect resolveRectangle(const T* context, SVGUnitTypes::SVGUnitTyp
e type, const FloatRect& viewport) | 59 static FloatRect resolveRectangle(const T* context, SVGUnitTypes::SVGUnitTyp
e type, const FloatRect& viewport) |
60 { | 60 { |
61 return resolveRectangle(context, type, viewport, *context->x()->currentV
alue(), *context->y()->currentValue(), *context->width()->currentValue(), *conte
xt->height()->currentValue()); | 61 return resolveRectangle(context, type, viewport, *context->x()->currentV
alue(), *context->y()->currentValue(), *context->width()->currentValue(), *conte
xt->height()->currentValue()); |
62 } | 62 } |
63 | 63 |
64 static FloatRect resolveRectangle(const SVGElement*, SVGUnitTypes::SVGUnitTy
pe, const FloatRect& viewport, const SVGLength& x, const SVGLength& y, const SVG
Length& width, const SVGLength& height); | 64 static FloatRect resolveRectangle(const SVGElement*, SVGUnitTypes::SVGUnitTy
pe, const FloatRect& viewport, const SVGLength& x, const SVGLength& y, const SVG
Length& width, const SVGLength& height); |
65 static FloatPoint resolvePoint(const SVGElement*, SVGUnitTypes::SVGUnitType,
const SVGLength& x, const SVGLength& y); | 65 static FloatPoint resolvePoint(const SVGElement*, SVGUnitTypes::SVGUnitType,
const SVGLength& x, const SVGLength& y); |
66 static float resolveLength(const SVGElement*, SVGUnitTypes::SVGUnitType, con
st SVGLength&); | 66 static float resolveLength(const SVGElement*, SVGUnitTypes::SVGUnitType, con
st SVGLength&); |
67 | 67 |
68 float convertValueToUserUnits(float, SVGLengthMode, SVGLengthType fromUnit)
const; | 68 float convertValueToUserUnits(float, SVGLengthMode, SVGLengthType fromUnit)
const; |
69 float convertValueFromUserUnits(float, SVGLengthMode, SVGLengthType toUnit)
const; | 69 float convertValueFromUserUnits(float, SVGLengthMode, SVGLengthType toUnit)
const; |
70 | 70 |
71 float valueForLength(const Length&, const LayoutStyle&, SVGLengthMode = Leng
thModeOther) const; | 71 float valueForLength(const Length&, const LayoutStyle&, SVGLengthMode = SVGL
engthMode::Other) const; |
72 | 72 |
73 bool determineViewport(FloatSize&) const; | 73 bool determineViewport(FloatSize&) const; |
74 | 74 |
75 private: | 75 private: |
76 float valueForLengthWithZoom(const Length&, float, SVGLengthMode) const; | 76 float valueForLengthWithZoom(const Length&, float, SVGLengthMode) const; |
77 | 77 |
78 float convertValueFromUserUnitsToEMS(float value) const; | 78 float convertValueFromUserUnitsToEMS(float value) const; |
79 float convertValueFromEMSToUserUnits(float value) const; | 79 float convertValueFromEMSToUserUnits(float value) const; |
80 | 80 |
81 float convertValueFromUserUnitsToEXS(float value) const; | 81 float convertValueFromUserUnitsToEXS(float value) const; |
82 float convertValueFromEXSToUserUnits(float value) const; | 82 float convertValueFromEXSToUserUnits(float value) const; |
83 | 83 |
84 RawPtrWillBeMember<const SVGElement> m_context; | 84 RawPtrWillBeMember<const SVGElement> m_context; |
85 }; | 85 }; |
86 | 86 |
87 } // namespace blink | 87 } // namespace blink |
88 | 88 |
89 #endif // SVGLengthContext_h | 89 #endif // SVGLengthContext_h |
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