third_party/WebKit/Source/core/svg/SVGInteger.cpp

   1 /*
   2  * Copyright (C) 2014 Google 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 are
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   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
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  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
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  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "config.h"
  32 #include "core/svg/SVGInteger.h"
  33 #include "core/html/parser/HTMLParserIdioms.h"
  34
  35 #include "core/svg/SVGAnimationElement.h"
  36
  37 namespace blink {
  38
  39 SVGInteger::SVGInteger(int value)
  40     : m_value(value)
  41 {
  42 }
  43
  44 PassRefPtrWillBeRawPtr<SVGInteger> SVGInteger::clone() const
  45 {
  46     return create(m_value);
  47 }
  48
  49 String SVGInteger::valueAsString() const
  50 {
  51     return String::number(m_value);
  52 }
  53
  54 void SVGInteger::setValueAsString(const String& string, ExceptionState& exceptionState)
  55 {
  56     if (string.isEmpty()) {
  57         m_value = 0;
  58         return;
  59     }
  60
  61     bool valid = true;
  62     m_value = stripLeadingAndTrailingHTMLSpaces(string).toIntStrict(&valid);
  63
  64     if (!valid) {
  65         exceptionState.throwDOMException(SyntaxError, "The value provided ('" + string + "') is invalid.");
  66         m_value = 0;
  67     }
  68 }
  69
  70 void SVGInteger::add(PassRefPtrWillBeRawPtr<SVGPropertyBase> other, SVGElement*)
  71 {
  72     setValue(m_value + toSVGInteger(other)->value());
  73 }
  74
  75 void SVGInteger::calculateAnimatedValue(SVGAnimationElement* animationElement, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> from, PassRefPtrWillBeRawPtr<SVGPropertyBase> to, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDuration, SVGElement*)
  76 {
  77     ASSERT(animationElement);
  78
  79     RefPtrWillBeRawPtr<SVGInteger> fromInteger = toSVGInteger(from);
  80     RefPtrWillBeRawPtr<SVGInteger> toInteger = toSVGInteger(to);
  81     RefPtrWillBeRawPtr<SVGInteger> toAtEndOfDurationInteger = toSVGInteger(toAtEndOfDuration);
  82
  83     float animatedFloat = m_value;
  84     animationElement->animateAdditiveNumber(percentage, repeatCount, fromInteger->value(), toInteger->value(), toAtEndOfDurationInteger->value(), animatedFloat);
  85     m_value = static_cast<int>(roundf(animatedFloat));
  86 }
  87
  88 float SVGInteger::calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> other, SVGElement*)
  89 {
  90     return abs(m_value - toSVGInteger(other)->value());
  91 }
  92
  93 }