src/third_party/WebKit/Source/core/animation/AnimationTranslationUtil.cpp

   1 /*
   2  * Copyright (C) 2012 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
   6  * are met:
   7  * 1.  Redistributions of source code must retain the above copyright
   8  *     notice, this list of conditions and the following disclaimer.
   9  * 2.  Redistributions in binary form must reproduce the above copyright
  10  *     notice, this list of conditions and the following disclaimer in the
  11  *     documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  16  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  17  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  18  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  19  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  20  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  22  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23  */
  24
  25 #include "config.h"
  26
  27 #include "core/animation/AnimationTranslationUtil.h"
  28
  29 #include "platform/graphics/filters/FilterOperations.h"
  30 #include "platform/graphics/filters/SkiaImageFilterBuilder.h"
  31 #include "platform/transforms/InterpolatedTransformOperation.h"
  32 #include "platform/transforms/Matrix3DTransformOperation.h"
  33 #include "platform/transforms/MatrixTransformOperation.h"
  34 #include "platform/transforms/PerspectiveTransformOperation.h"
  35 #include "platform/transforms/RotateTransformOperation.h"
  36 #include "platform/transforms/ScaleTransformOperation.h"
  37 #include "platform/transforms/SkewTransformOperation.h"
  38 #include "platform/transforms/TransformOperations.h"
  39 #include "platform/transforms/TransformationMatrix.h"
  40 #include "platform/transforms/TranslateTransformOperation.h"
  41 #include "public/platform/WebTransformOperations.h"
  42
  43 using namespace std;
  44 using namespace blink;
  45
  46 namespace WebCore {
  47
  48 void toWebTransformOperations(const TransformOperations& transformOperations, WebTransformOperations* webTransformOperations)
  49 {
  50     // We need to do a deep copy the transformOperations may contain ref pointers to TransformOperation objects.
  51     for (size_t j = 0; j < transformOperations.size(); ++j) {
  52         switch (transformOperations.operations()[j]->type()) {
  53         case TransformOperation::ScaleX:
  54         case TransformOperation::ScaleY:
  55         case TransformOperation::ScaleZ:
  56         case TransformOperation::Scale3D:
  57         case TransformOperation::Scale: {
  58             ScaleTransformOperation* transform = static_cast<ScaleTransformOperation*>(transformOperations.operations()[j].get());
  59             webTransformOperations->appendScale(transform->x(), transform->y(), transform->z());
  60             break;
  61         }
  62         case TransformOperation::TranslateX:
  63         case TransformOperation::TranslateY:
  64         case TransformOperation::TranslateZ:
  65         case TransformOperation::Translate3D:
  66         case TransformOperation::Translate: {
  67             TranslateTransformOperation* transform = static_cast<TranslateTransformOperation*>(transformOperations.operations()[j].get());
  68             ASSERT(transform->x().isFixed() && transform->y().isFixed());
  69             webTransformOperations->appendTranslate(transform->x().value(), transform->y().value(), transform->z());
  70             break;
  71         }
  72         case TransformOperation::RotateX:
  73         case TransformOperation::RotateY:
  74         case TransformOperation::Rotate3D:
  75         case TransformOperation::Rotate: {
  76             RotateTransformOperation* transform = static_cast<RotateTransformOperation*>(transformOperations.operations()[j].get());
  77             webTransformOperations->appendRotate(transform->x(), transform->y(), transform->z(), transform->angle());
  78             break;
  79         }
  80         case TransformOperation::SkewX:
  81         case TransformOperation::SkewY:
  82         case TransformOperation::Skew: {
  83             SkewTransformOperation* transform = static_cast<SkewTransformOperation*>(transformOperations.operations()[j].get());
  84             webTransformOperations->appendSkew(transform->angleX(), transform->angleY());
  85             break;
  86         }
  87         case TransformOperation::Matrix: {
  88             MatrixTransformOperation* transform = static_cast<MatrixTransformOperation*>(transformOperations.operations()[j].get());
  89             TransformationMatrix m = transform->matrix();
  90             webTransformOperations->appendMatrix(TransformationMatrix::toSkMatrix44(m));
  91             break;
  92         }
  93         case TransformOperation::Matrix3D: {
  94             Matrix3DTransformOperation* transform = static_cast<Matrix3DTransformOperation*>(transformOperations.operations()[j].get());
  95             TransformationMatrix m = transform->matrix();
  96             webTransformOperations->appendMatrix(TransformationMatrix::toSkMatrix44(m));
  97             break;
  98         }
  99         case TransformOperation::Perspective: {
 100             PerspectiveTransformOperation* transform = static_cast<PerspectiveTransformOperation*>(transformOperations.operations()[j].get());
 101             webTransformOperations->appendPerspective(transform->perspective());
 102             break;
 103         }
 104         case TransformOperation::Interpolated: {
 105             TransformationMatrix m;
 106             transformOperations.operations()[j]->apply(m, FloatSize());
 107             webTransformOperations->appendMatrix(TransformationMatrix::toSkMatrix44(m));
 108             break;
 109         }
 110         case TransformOperation::Identity:
 111             webTransformOperations->appendIdentity();
 112             break;
 113         case TransformOperation::None:
 114             // Do nothing.
 115             break;
 116         } // switch
 117     } // for each operation
 118 }
 119
 120 bool toWebFilterOperations(const FilterOperations& inOperations, WebFilterOperations* outOperations)
 121 {
 122     SkiaImageFilterBuilder builder;
 123     FilterOutsets outsets = inOperations.outsets();
 124     builder.setCropOffset(FloatSize(outsets.left(), outsets.top()));
 125     return builder.buildFilterOperations(inOperations, outOperations);
 126 }
 127
 128 } // namespace WebCore