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      1 // Copyright (c) 2008, Google Inc.
      2 // 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
      6 // met:
      7 //
      8 //     * Redistributions of source code must retain the above copyright
      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
     13 // distribution.
     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.
     17 //
     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,
     23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29 
     30 #include "config.h"
     31 #include "AffineTransform.h"
     32 #include "TransformationMatrix.h"
     33 
     34 #include "SkiaUtils.h"
     35 
     36 namespace WebCore {
     37 
     38 TransformationMatrix::operator SkMatrix() const
     39 {
     40     SkMatrix result;
     41 
     42     result.setScaleX(WebCoreDoubleToSkScalar(a()));
     43     result.setSkewX(WebCoreDoubleToSkScalar(c()));
     44     result.setTranslateX(WebCoreDoubleToSkScalar(e()));
     45 
     46     result.setScaleY(WebCoreDoubleToSkScalar(d()));
     47     result.setSkewY(WebCoreDoubleToSkScalar(b()));
     48     result.setTranslateY(WebCoreDoubleToSkScalar(f()));
     49 
     50     // FIXME: Set perspective properly.
     51     result.setPerspX(0);
     52     result.setPerspY(0);
     53     result.set(SkMatrix::kMPersp2, SK_Scalar1);
     54 
     55     return result;
     56 }
     57 
     58 AffineTransform::operator SkMatrix() const
     59 {
     60     SkMatrix result;
     61 
     62     result.setScaleX(WebCoreDoubleToSkScalar(a()));
     63     result.setSkewX(WebCoreDoubleToSkScalar(c()));
     64     result.setTranslateX(WebCoreDoubleToSkScalar(e()));
     65 
     66     result.setScaleY(WebCoreDoubleToSkScalar(d()));
     67     result.setSkewY(WebCoreDoubleToSkScalar(b()));
     68     result.setTranslateY(WebCoreDoubleToSkScalar(f()));
     69 
     70     // FIXME: Set perspective properly.
     71     result.setPerspX(0);
     72     result.setPerspY(0);
     73     result.set(SkMatrix::kMPersp2, SK_Scalar1);
     74 
     75     return result;
     76 }
     77 
     78 } // namespace WebCore
     79