| OLD | NEW |
|---|
| (Empty) |
| 1 /* | |
| 2 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org> | |
| 3 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org> | |
| 4 * Copyright (C) 2007 Eric Seidel <eric@webkit.org> | |
| 5 * | |
| 6 * This library is free software; you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU Library General Public | |
| 8 * License as published by the Free Software Foundation; either | |
| 9 * version 2 of the License, or (at your option) any later version. | |
| 10 * | |
| 11 * This library is distributed in the hope that it will be useful, | |
| 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 * Library General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU Library General Public License | |
| 17 * along with this library; see the file COPYING.LIB. If not, write to | |
| 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 19 * Boston, MA 02110-1301, USA. | |
| 20 */ | |
| 21 | |
| 22 #include "config.h" | |
| 23 | |
| 24 #include "core/svg/SVGTransformable.h" | |
| 25 | |
| 26 #include "core/svg/SVGParserUtilities.h" | |
| 27 #include "core/svg/SVGTransformList.h" | |
| 28 #include "platform/transforms/AffineTransform.h" | |
| 29 | |
| 30 namespace WebCore { | |
| 31 | |
| 32 template<typename CharType> | |
| 33 static int parseTransformParamList(const CharType*& ptr, const CharType* end, fl
oat* values, int required, int optional) | |
| 34 { | |
| 35 int optionalParams = 0, requiredParams = 0; | |
| 36 | |
| 37 if (!skipOptionalSVGSpaces(ptr, end) || *ptr != '(') | |
| 38 return -1; | |
| 39 | |
| 40 ptr++; | |
| 41 | |
| 42 skipOptionalSVGSpaces(ptr, end); | |
| 43 | |
| 44 while (requiredParams < required) { | |
| 45 if (ptr >= end || !parseNumber(ptr, end, values[requiredParams], false)) | |
| 46 return -1; | |
| 47 requiredParams++; | |
| 48 if (requiredParams < required) | |
| 49 skipOptionalSVGSpacesOrDelimiter(ptr, end); | |
| 50 } | |
| 51 if (!skipOptionalSVGSpaces(ptr, end)) | |
| 52 return -1; | |
| 53 | |
| 54 bool delimParsed = skipOptionalSVGSpacesOrDelimiter(ptr, end); | |
| 55 | |
| 56 if (ptr >= end) | |
| 57 return -1; | |
| 58 | |
| 59 if (*ptr == ')') { // skip optionals | |
| 60 ptr++; | |
| 61 if (delimParsed) | |
| 62 return -1; | |
| 63 } else { | |
| 64 while (optionalParams < optional) { | |
| 65 if (ptr >= end || !parseNumber(ptr, end, values[requiredParams + opt
ionalParams], false)) | |
| 66 return -1; | |
| 67 optionalParams++; | |
| 68 if (optionalParams < optional) | |
| 69 skipOptionalSVGSpacesOrDelimiter(ptr, end); | |
| 70 } | |
| 71 | |
| 72 if (!skipOptionalSVGSpaces(ptr, end)) | |
| 73 return -1; | |
| 74 | |
| 75 delimParsed = skipOptionalSVGSpacesOrDelimiter(ptr, end); | |
| 76 | |
| 77 if (ptr >= end || *ptr != ')' || delimParsed) | |
| 78 return -1; | |
| 79 ptr++; | |
| 80 } | |
| 81 | |
| 82 return requiredParams + optionalParams; | |
| 83 } | |
| 84 | |
| 85 // These should be kept in sync with enum SVGTransformType | |
| 86 static const int requiredValuesForType[] = {0, 6, 1, 1, 1, 1, 1}; | |
| 87 static const int optionalValuesForType[] = {0, 0, 1, 1, 2, 0, 0}; | |
| 88 | |
| 89 // This destructor is needed in order to link correctly with Intel ICC. | |
| 90 SVGTransformable::~SVGTransformable() | |
| 91 { | |
| 92 } | |
| 93 | |
| 94 template<typename CharType> | |
| 95 static bool parseTransformValueInternal(unsigned type, const CharType*& ptr, con
st CharType* end, SVGTransform& transform) | |
| 96 { | |
| 97 if (type == SVGTransform::SVG_TRANSFORM_UNKNOWN) | |
| 98 return false; | |
| 99 | |
| 100 int valueCount = 0; | |
| 101 float values[] = {0, 0, 0, 0, 0, 0}; | |
| 102 if ((valueCount = parseTransformParamList(ptr, end, values, requiredValuesFo
rType[type], optionalValuesForType[type])) < 0) | |
| 103 return false; | |
| 104 | |
| 105 switch (type) { | |
| 106 case SVGTransform::SVG_TRANSFORM_SKEWX: | |
| 107 transform.setSkewX(values[0]); | |
| 108 break; | |
| 109 case SVGTransform::SVG_TRANSFORM_SKEWY: | |
| 110 transform.setSkewY(values[0]); | |
| 111 break; | |
| 112 case SVGTransform::SVG_TRANSFORM_SCALE: | |
| 113 if (valueCount == 1) // Spec: if only one param given, assume uniform sc
aling | |
| 114 transform.setScale(values[0], values[0]); | |
| 115 else | |
| 116 transform.setScale(values[0], values[1]); | |
| 117 break; | |
| 118 case SVGTransform::SVG_TRANSFORM_TRANSLATE: | |
| 119 if (valueCount == 1) // Spec: if only one param given, assume 2nd param
to be 0 | |
| 120 transform.setTranslate(values[0], 0); | |
| 121 else | |
| 122 transform.setTranslate(values[0], values[1]); | |
| 123 break; | |
| 124 case SVGTransform::SVG_TRANSFORM_ROTATE: | |
| 125 if (valueCount == 1) | |
| 126 transform.setRotate(values[0], 0, 0); | |
| 127 else | |
| 128 transform.setRotate(values[0], values[1], values[2]); | |
| 129 break; | |
| 130 case SVGTransform::SVG_TRANSFORM_MATRIX: | |
| 131 transform.setMatrix(AffineTransform(values[0], values[1], values[2], val
ues[3], values[4], values[5])); | |
| 132 break; | |
| 133 } | |
| 134 | |
| 135 return true; | |
| 136 } | |
| 137 | |
| 138 bool SVGTransformable::parseTransformValue(unsigned type, const LChar*& ptr, con
st LChar* end, SVGTransform& transform) | |
| 139 { | |
| 140 return parseTransformValueInternal(type, ptr, end, transform); | |
| 141 } | |
| 142 | |
| 143 bool SVGTransformable::parseTransformValue(unsigned type, const UChar*& ptr, con
st UChar* end, SVGTransform& transform) | |
| 144 { | |
| 145 return parseTransformValueInternal(type, ptr, end, transform); | |
| 146 } | |
| 147 | |
| 148 static const LChar skewXDesc[] = {'s', 'k', 'e', 'w', 'X'}; | |
| 149 static const LChar skewYDesc[] = {'s', 'k', 'e', 'w', 'Y'}; | |
| 150 static const LChar scaleDesc[] = {'s', 'c', 'a', 'l', 'e'}; | |
| 151 static const LChar translateDesc[] = {'t', 'r', 'a', 'n', 's', 'l', 'a', 't', '
e'}; | |
| 152 static const LChar rotateDesc[] = {'r', 'o', 't', 'a', 't', 'e'}; | |
| 153 static const LChar matrixDesc[] = {'m', 'a', 't', 'r', 'i', 'x'}; | |
| 154 | |
| 155 template<typename CharType> | |
| 156 static inline bool parseAndSkipType(const CharType*& ptr, const CharType* end, u
nsigned short& type) | |
| 157 { | |
| 158 if (ptr >= end) | |
| 159 return false; | |
| 160 | |
| 161 if (*ptr == 's') { | |
| 162 if (skipString(ptr, end, skewXDesc, WTF_ARRAY_LENGTH(skewXDesc))) | |
| 163 type = SVGTransform::SVG_TRANSFORM_SKEWX; | |
| 164 else if (skipString(ptr, end, skewYDesc, WTF_ARRAY_LENGTH(skewYDesc))) | |
| 165 type = SVGTransform::SVG_TRANSFORM_SKEWY; | |
| 166 else if (skipString(ptr, end, scaleDesc, WTF_ARRAY_LENGTH(scaleDesc))) | |
| 167 type = SVGTransform::SVG_TRANSFORM_SCALE; | |
| 168 else | |
| 169 return false; | |
| 170 } else if (skipString(ptr, end, translateDesc, WTF_ARRAY_LENGTH(translateDes
c))) | |
| 171 type = SVGTransform::SVG_TRANSFORM_TRANSLATE; | |
| 172 else if (skipString(ptr, end, rotateDesc, WTF_ARRAY_LENGTH(rotateDesc))) | |
| 173 type = SVGTransform::SVG_TRANSFORM_ROTATE; | |
| 174 else if (skipString(ptr, end, matrixDesc, WTF_ARRAY_LENGTH(matrixDesc))) | |
| 175 type = SVGTransform::SVG_TRANSFORM_MATRIX; | |
| 176 else | |
| 177 return false; | |
| 178 | |
| 179 return true; | |
| 180 } | |
| 181 | |
| 182 SVGTransform::SVGTransformType SVGTransformable::parseTransformType(const String
& string) | |
| 183 { | |
| 184 if (string.isEmpty()) | |
| 185 return SVGTransform::SVG_TRANSFORM_UNKNOWN; | |
| 186 unsigned short type = SVGTransform::SVG_TRANSFORM_UNKNOWN; | |
| 187 if (string.is8Bit()) { | |
| 188 const LChar* ptr = string.characters8(); | |
| 189 const LChar* end = ptr + string.length(); | |
| 190 parseAndSkipType(ptr, end, type); | |
| 191 } else { | |
| 192 const UChar* ptr = string.characters16(); | |
| 193 const UChar* end = ptr + string.length(); | |
| 194 parseAndSkipType(ptr, end, type); | |
| 195 } | |
| 196 return static_cast<SVGTransform::SVGTransformType>(type); | |
| 197 } | |
| 198 | |
| 199 template<typename CharType> | |
| 200 bool SVGTransformable::parseTransformAttributeInternal(SVGTransformList& list, c
onst CharType*& ptr, const CharType* end, TransformParsingMode mode) | |
| 201 { | |
| 202 if (mode == ClearList) | |
| 203 list.clear(); | |
| 204 | |
| 205 bool delimParsed = false; | |
| 206 while (ptr < end) { | |
| 207 delimParsed = false; | |
| 208 unsigned short type = SVGTransform::SVG_TRANSFORM_UNKNOWN; | |
| 209 skipOptionalSVGSpaces(ptr, end); | |
| 210 | |
| 211 if (!parseAndSkipType(ptr, end, type)) | |
| 212 return false; | |
| 213 | |
| 214 SVGTransform transform; | |
| 215 if (!parseTransformValue(type, ptr, end, transform)) | |
| 216 return false; | |
| 217 | |
| 218 list.append(transform); | |
| 219 skipOptionalSVGSpaces(ptr, end); | |
| 220 if (ptr < end && *ptr == ',') { | |
| 221 delimParsed = true; | |
| 222 ++ptr; | |
| 223 } | |
| 224 skipOptionalSVGSpaces(ptr, end); | |
| 225 } | |
| 226 | |
| 227 return !delimParsed; | |
| 228 } | |
| 229 | |
| 230 bool SVGTransformable::parseTransformAttribute(SVGTransformList& list, const LCh
ar*& ptr, const LChar* end, TransformParsingMode mode) | |
| 231 { | |
| 232 return parseTransformAttributeInternal(list, ptr, end, mode); | |
| 233 } | |
| 234 | |
| 235 bool SVGTransformable::parseTransformAttribute(SVGTransformList& list, const UCh
ar*& ptr, const UChar* end, TransformParsingMode mode) | |
| 236 { | |
| 237 return parseTransformAttributeInternal(list, ptr, end, mode); | |
| 238 } | |
| 239 | |
| 240 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 61753005:
Remove SVGLocatable and SVGTransformable (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master