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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org> |
3 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org> | 3 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org> |
4 * Copyright (C) 2007 Eric Seidel <eric@webkit.org> | 4 * Copyright (C) 2007 Eric Seidel <eric@webkit.org> |
5 * Copyright (C) 2008 Apple Inc. All rights reserved. | 5 * Copyright (C) 2008 Apple Inc. All rights reserved. |
6 * Copyright (C) Research In Motion Limited 2012. All rights reserved. | 6 * Copyright (C) Research In Motion Limited 2012. All rights reserved. |
7 * | 7 * |
8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
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28 #include "SVGNames.h" | 28 #include "SVGNames.h" |
29 #include "core/svg/SVGAnimateTransformElement.h" | 29 #include "core/svg/SVGAnimateTransformElement.h" |
30 #include "core/svg/SVGAnimatedNumber.h" | 30 #include "core/svg/SVGAnimatedNumber.h" |
31 #include "core/svg/SVGParserUtilities.h" | 31 #include "core/svg/SVGParserUtilities.h" |
32 #include "core/svg/SVGTransformDistance.h" | 32 #include "core/svg/SVGTransformDistance.h" |
33 #include "wtf/text/StringBuilder.h" | 33 #include "wtf/text/StringBuilder.h" |
34 #include "wtf/text/WTFString.h" | 34 #include "wtf/text/WTFString.h" |
35 | 35 |
36 namespace WebCore { | 36 namespace WebCore { |
37 | 37 |
38 inline PassRefPtr<SVGTransformList> toSVGTransformList(PassRefPtr<NewSVGProperty
Base> passBase) | 38 inline PassRefPtr<SVGTransformList> toSVGTransformList(PassRefPtr<SVGPropertyBas
e> passBase) |
39 { | 39 { |
40 RefPtr<NewSVGPropertyBase> base = passBase; | 40 RefPtr<SVGPropertyBase> base = passBase; |
41 ASSERT(base->type() == SVGTransformList::classType()); | 41 ASSERT(base->type() == SVGTransformList::classType()); |
42 return static_pointer_cast<SVGTransformList>(base.release()); | 42 return static_pointer_cast<SVGTransformList>(base.release()); |
43 } | 43 } |
44 | 44 |
45 SVGTransformList::SVGTransformList() | 45 SVGTransformList::SVGTransformList() |
46 { | 46 { |
47 } | 47 } |
48 | 48 |
49 SVGTransformList::~SVGTransformList() | 49 SVGTransformList::~SVGTransformList() |
50 { | 50 { |
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249 const UChar* end = ptr + value.length(); | 249 const UChar* end = ptr + value.length(); |
250 valid = parse(ptr, end); | 250 valid = parse(ptr, end); |
251 } | 251 } |
252 | 252 |
253 if (!valid) { | 253 if (!valid) { |
254 clear(); | 254 clear(); |
255 exceptionState.throwDOMException(SyntaxError, "Problem parsing transform
list=\""+value+"\""); | 255 exceptionState.throwDOMException(SyntaxError, "Problem parsing transform
list=\""+value+"\""); |
256 } | 256 } |
257 } | 257 } |
258 | 258 |
259 PassRefPtr<NewSVGPropertyBase> SVGTransformList::cloneForAnimation(const String&
value) const | 259 PassRefPtr<SVGPropertyBase> SVGTransformList::cloneForAnimation(const String& va
lue) const |
260 { | 260 { |
261 ASSERT_NOT_REACHED(); | 261 ASSERT_NOT_REACHED(); |
262 return nullptr; | 262 return nullptr; |
263 } | 263 } |
264 | 264 |
265 PassRefPtr<SVGTransformList> SVGTransformList::create(SVGTransformType transform
Type, const String& value) | 265 PassRefPtr<SVGTransformList> SVGTransformList::create(SVGTransformType transform
Type, const String& value) |
266 { | 266 { |
267 RefPtr<SVGTransform> transform; | 267 RefPtr<SVGTransform> transform; |
268 if (value.isEmpty()) { | 268 if (value.isEmpty()) { |
269 } else if (value.is8Bit()) { | 269 } else if (value.is8Bit()) { |
270 const LChar* ptr = value.characters8(); | 270 const LChar* ptr = value.characters8(); |
271 const LChar* end = ptr + value.length(); | 271 const LChar* end = ptr + value.length(); |
272 transform = parseTransformOfType(transformType, ptr, end); | 272 transform = parseTransformOfType(transformType, ptr, end); |
273 } else { | 273 } else { |
274 const UChar* ptr = value.characters16(); | 274 const UChar* ptr = value.characters16(); |
275 const UChar* end = ptr + value.length(); | 275 const UChar* end = ptr + value.length(); |
276 transform = parseTransformOfType(transformType, ptr, end); | 276 transform = parseTransformOfType(transformType, ptr, end); |
277 } | 277 } |
278 | 278 |
279 RefPtr<SVGTransformList> svgTransformList = SVGTransformList::create(); | 279 RefPtr<SVGTransformList> svgTransformList = SVGTransformList::create(); |
280 if (transform) | 280 if (transform) |
281 svgTransformList->append(transform); | 281 svgTransformList->append(transform); |
282 return svgTransformList.release(); | 282 return svgTransformList.release(); |
283 } | 283 } |
284 | 284 |
285 void SVGTransformList::add(PassRefPtr<NewSVGPropertyBase> other, SVGElement* con
textElement) | 285 void SVGTransformList::add(PassRefPtr<SVGPropertyBase> other, SVGElement* contex
tElement) |
286 { | 286 { |
287 if (isEmpty()) | 287 if (isEmpty()) |
288 return; | 288 return; |
289 | 289 |
290 RefPtr<SVGTransformList> otherList = toSVGTransformList(other); | 290 RefPtr<SVGTransformList> otherList = toSVGTransformList(other); |
291 if (length() != otherList->length()) | 291 if (length() != otherList->length()) |
292 return; | 292 return; |
293 | 293 |
294 ASSERT(length() == 1); | 294 ASSERT(length() == 1); |
295 RefPtr<SVGTransform> fromTransform = at(0); | 295 RefPtr<SVGTransform> fromTransform = at(0); |
296 RefPtr<SVGTransform> toTransform = otherList->at(0); | 296 RefPtr<SVGTransform> toTransform = otherList->at(0); |
297 | 297 |
298 ASSERT(fromTransform->transformType() == toTransform->transformType()); | 298 ASSERT(fromTransform->transformType() == toTransform->transformType()); |
299 clear(); | 299 clear(); |
300 append(SVGTransformDistance::addSVGTransforms(fromTransform, toTransform)); | 300 append(SVGTransformDistance::addSVGTransforms(fromTransform, toTransform)); |
301 } | 301 } |
302 | 302 |
303 void SVGTransformList::calculateAnimatedValue(SVGAnimationElement* animationElem
ent, float percentage, unsigned repeatCount, PassRefPtr<NewSVGPropertyBase> from
Value, PassRefPtr<NewSVGPropertyBase> toValue, PassRefPtr<NewSVGPropertyBase> to
AtEndOfDurationValue, SVGElement* contextElement) | 303 void SVGTransformList::calculateAnimatedValue(SVGAnimationElement* animationElem
ent, float percentage, unsigned repeatCount, PassRefPtr<SVGPropertyBase> fromVal
ue, PassRefPtr<SVGPropertyBase> toValue, PassRefPtr<SVGPropertyBase> toAtEndOfDu
rationValue, SVGElement* contextElement) |
304 { | 304 { |
305 ASSERT(animationElement); | 305 ASSERT(animationElement); |
306 bool isToAnimation = animationElement->animationMode() == ToAnimation; | 306 bool isToAnimation = animationElement->animationMode() == ToAnimation; |
307 | 307 |
308 // Spec: To animations provide specific functionality to get a smooth change
from the underlying value to the | 308 // Spec: To animations provide specific functionality to get a smooth change
from the underlying value to the |
309 // ‘to’ attribute value, which conflicts mathematically with the requirement
for additive transform animations | 309 // ‘to’ attribute value, which conflicts mathematically with the requirement
for additive transform animations |
310 // to be post-multiplied. As a consequence, in SVG 1.1 the behavior of to an
imations for ‘animateTransform’ is undefined | 310 // to be post-multiplied. As a consequence, in SVG 1.1 the behavior of to an
imations for ‘animateTransform’ is undefined |
311 // FIXME: This is not taken into account yet. | 311 // FIXME: This is not taken into account yet. |
312 RefPtr<SVGTransformList> fromList = isToAnimation ? this : toSVGTransformLis
t(fromValue); | 312 RefPtr<SVGTransformList> fromList = isToAnimation ? this : toSVGTransformLis
t(fromValue); |
313 RefPtr<SVGTransformList> toList = toSVGTransformList(toValue); | 313 RefPtr<SVGTransformList> toList = toSVGTransformList(toValue); |
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327 RefPtr<SVGTransform> effectiveFrom = fromListSize ? fromList->at(0) : SVGTra
nsform::create(toTransform->transformType(), SVGTransform::ConstructZeroTransfor
m); | 327 RefPtr<SVGTransform> effectiveFrom = fromListSize ? fromList->at(0) : SVGTra
nsform::create(toTransform->transformType(), SVGTransform::ConstructZeroTransfor
m); |
328 RefPtr<SVGTransform> currentTransform = SVGTransformDistance(effectiveFrom,
toTransform).scaledDistance(percentage).addToSVGTransform(effectiveFrom); | 328 RefPtr<SVGTransform> currentTransform = SVGTransformDistance(effectiveFrom,
toTransform).scaledDistance(percentage).addToSVGTransform(effectiveFrom); |
329 if (animationElement->isAccumulated() && repeatCount) { | 329 if (animationElement->isAccumulated() && repeatCount) { |
330 RefPtr<SVGTransform> effectiveToAtEnd = !toAtEndOfDurationList->isEmpty(
) ? toAtEndOfDurationList->at(0) : SVGTransform::create(toTransform->transformTy
pe(), SVGTransform::ConstructZeroTransform); | 330 RefPtr<SVGTransform> effectiveToAtEnd = !toAtEndOfDurationList->isEmpty(
) ? toAtEndOfDurationList->at(0) : SVGTransform::create(toTransform->transformTy
pe(), SVGTransform::ConstructZeroTransform); |
331 append(SVGTransformDistance::addSVGTransforms(currentTransform, effectiv
eToAtEnd, repeatCount)); | 331 append(SVGTransformDistance::addSVGTransforms(currentTransform, effectiv
eToAtEnd, repeatCount)); |
332 } else { | 332 } else { |
333 append(currentTransform); | 333 append(currentTransform); |
334 } | 334 } |
335 } | 335 } |
336 | 336 |
337 float SVGTransformList::calculateDistance(PassRefPtr<NewSVGPropertyBase> toValue
, SVGElement*) | 337 float SVGTransformList::calculateDistance(PassRefPtr<SVGPropertyBase> toValue, S
VGElement*) |
338 { | 338 { |
339 // FIXME: This is not correct in all cases. The spec demands that each compo
nent (translate x and y for example) | 339 // FIXME: This is not correct in all cases. The spec demands that each compo
nent (translate x and y for example) |
340 // is paced separately. To implement this we need to treat each component as
individual animation everywhere. | 340 // is paced separately. To implement this we need to treat each component as
individual animation everywhere. |
341 | 341 |
342 RefPtr<SVGTransformList> toList = toSVGTransformList(toValue); | 342 RefPtr<SVGTransformList> toList = toSVGTransformList(toValue); |
343 if (isEmpty() || length() != toList->length()) | 343 if (isEmpty() || length() != toList->length()) |
344 return -1; | 344 return -1; |
345 | 345 |
346 ASSERT(length() == 1); | 346 ASSERT(length() == 1); |
347 if (at(0)->transformType() == toList->at(0)->transformType()) | 347 if (at(0)->transformType() == toList->at(0)->transformType()) |
348 return -1; | 348 return -1; |
349 | 349 |
350 // Spec: http://www.w3.org/TR/SVG/animate.html#complexDistances | 350 // Spec: http://www.w3.org/TR/SVG/animate.html#complexDistances |
351 // Paced animations assume a notion of distance between the various animatio
n values defined by the ‘to’, ‘from’, ‘by’ and ‘values’ attributes. | 351 // Paced animations assume a notion of distance between the various animatio
n values defined by the ‘to’, ‘from’, ‘by’ and ‘values’ attributes. |
352 // Distance is defined only for scalar types (such as <length>), colors and
the subset of transformation types that are supported by ‘animateTransform’. | 352 // Distance is defined only for scalar types (such as <length>), colors and
the subset of transformation types that are supported by ‘animateTransform’. |
353 return SVGTransformDistance(at(0), toList->at(0)).distance(); | 353 return SVGTransformDistance(at(0), toList->at(0)).distance(); |
354 } | 354 } |
355 | 355 |
356 } | 356 } |
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