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      1 /*
      2  * Copyright (C) 2010 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 INC. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "WKImageCG.h"
     28 
     29 #include "ShareableBitmap.h"
     30 #include "WKSharedAPICast.h"
     31 #include "WebImage.h"
     32 #include <WebCore/GraphicsContext.h>
     33 
     34 using namespace WebKit;
     35 using namespace WebCore;
     36 
     37 CGImageRef WKImageCreateCGImage(WKImageRef imageRef)
     38 {
     39     return toImpl(imageRef)->bitmap()->makeCGImageCopy().leakRef();
     40 }
     41 
     42 WKImageRef WKImageCreateFromCGImage(CGImageRef imageRef, WKImageOptions options)
     43 {
     44     IntSize imageSize(CGImageGetWidth(imageRef), CGImageGetHeight(imageRef));
     45     RefPtr<WebImage> webImage = WebImage::create(imageSize, toImageOptions(options));
     46     OwnPtr<GraphicsContext> graphicsContext = webImage->bitmap()->createGraphicsContext();
     47     CGContextDrawImage(graphicsContext->platformContext(), CGRectMake(0, 0, imageSize.width(), imageSize.height()), imageRef);
     48     return toAPI(webImage.release().leakRef());
     49 }
     50