third_party/WebKit/Source/core/svg/LinearGradientAttributes.h

   1 /*
   2  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public License
  15  * along with this library; see the file COPYING.LIB.  If not, write to
  16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifndef LinearGradientAttributes_h
  21 #define LinearGradientAttributes_h
  22
  23 #include "core/svg/GradientAttributes.h"
  24 #include "core/svg/SVGLength.h"
  25 #include "platform/heap/Handle.h"
  26
  27 namespace blink {
  28
  29 struct LinearGradientAttributes : GradientAttributes {
  30     DISALLOW_ALLOCATION();
  31 public:
  32     LinearGradientAttributes()
  33         : m_x1(SVGLength::create(SVGLengthMode::Width))
  34         , m_y1(SVGLength::create(SVGLengthMode::Height))
  35         , m_x2(SVGLength::create(SVGLengthMode::Width))
  36         , m_y2(SVGLength::create(SVGLengthMode::Height))
  37         , m_x1Set(false)
  38         , m_y1Set(false)
  39         , m_x2Set(false)
  40         , m_y2Set(false)
  41     {
  42         m_x2->setValueAsString("100%", ASSERT_NO_EXCEPTION);
  43     }
  44
  45     SVGLength* x1() const { return m_x1.get(); }
  46     SVGLength* y1() const { return m_y1.get(); }
  47     SVGLength* x2() const { return m_x2.get(); }
  48     SVGLength* y2() const { return m_y2.get(); }
  49
  50     void setX1(PassRefPtrWillBeRawPtr<SVGLength> value) { m_x1 = value; m_x1Set = true; }
  51     void setY1(PassRefPtrWillBeRawPtr<SVGLength> value) { m_y1 = value; m_y1Set = true; }
  52     void setX2(PassRefPtrWillBeRawPtr<SVGLength> value) { m_x2 = value; m_x2Set = true; }
  53     void setY2(PassRefPtrWillBeRawPtr<SVGLength> value) { m_y2 = value; m_y2Set = true; }
  54
  55     bool hasX1() const { return m_x1Set; }
  56     bool hasY1() const { return m_y1Set; }
  57     bool hasX2() const { return m_x2Set; }
  58     bool hasY2() const { return m_y2Set; }
  59
  60     DEFINE_INLINE_TRACE()
  61     {
  62         visitor->trace(m_x1);
  63         visitor->trace(m_y1);
  64         visitor->trace(m_x2);
  65         visitor->trace(m_y2);
  66     }
  67
  68 private:
  69     // Properties
  70     RefPtrWillBeMember<SVGLength> m_x1;
  71     RefPtrWillBeMember<SVGLength> m_y1;
  72     RefPtrWillBeMember<SVGLength> m_x2;
  73     RefPtrWillBeMember<SVGLength> m_y2;
  74
  75     // Property states
  76     bool m_x1Set : 1;
  77     bool m_y1Set : 1;
  78     bool m_x2Set : 1;
  79     bool m_y2Set : 1;
  80 };
  81
  82 #if ENABLE(OILPAN)
  83 // Wrapper object for the LinearGradientAttributes part object.
  84 class LinearGradientAttributesWrapper : public GarbageCollectedFinalized<LinearGradientAttributesWrapper> {
  85 public:
  86     static LinearGradientAttributesWrapper* create()
  87     {
  88         return new LinearGradientAttributesWrapper;
  89     }
  90
  91     LinearGradientAttributes& attributes() { return m_attributes; }
  92     void set(const LinearGradientAttributes& attributes) { m_attributes = attributes; }
  93     DEFINE_INLINE_TRACE() { visitor->trace(m_attributes); }
  94
  95 private:
  96     LinearGradientAttributesWrapper()
  97     {
  98     }
  99
 100     LinearGradientAttributes m_attributes;
 101 };
 102 #endif
 103
 104 } // namespace blink
 105
 106 #endif
 107
 108 // vim:ts=4:noet