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      1 /*
      2  * Copyright (C) 2007 Apple 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 COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "DragImage.h"
     28 
     29 #include "CachedImage.h"
     30 #include "Image.h"
     31 
     32 namespace WebCore {
     33 
     34 IntSize dragImageSize(DragImageRef image)
     35 {
     36     if (!image)
     37         return IntSize();
     38 
     39     return image->size();
     40 }
     41 
     42 void deleteDragImage(DragImageRef image)
     43 {
     44     delete image;
     45 }
     46 
     47 DragImageRef scaleDragImage(DragImageRef image, FloatSize scale)
     48 {
     49     if (!image)
     50         return 0;
     51 
     52     int scaledWidth = image->width() * scale.width();
     53     int scaledHeight = image->height() * scale.height();
     54 
     55     *image = image->scaled(scaledWidth, scaledHeight);
     56     return image;
     57 }
     58 
     59 DragImageRef dissolveDragImageToFraction(DragImageRef image, float)
     60 {
     61     return image;
     62 }
     63 
     64 DragImageRef createDragImageFromImage(Image* image)
     65 {
     66     if (!image)
     67         return 0;
     68 
     69     return new QPixmap(*image->nativeImageForCurrentFrame());
     70 }
     71 
     72 DragImageRef createDragImageIconForCachedImage(CachedImage*)
     73 {
     74     return 0;
     75 }
     76 
     77 }
     78