/*

 * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

 */

#import "config.h"

#import "BitmapImage.h"

#import "FloatRect.h"

#import "FoundationExtras.h"

#import "GraphicsContext.h"

#import "PlatformString.h"

#import "WebCoreFrameBridge.h"

#import "WebCoreSystemInterface.h"

namespace WebCore {

void BitmapImage::initPlatformData()

{

}

void BitmapImage::invalidatePlatformData()

{

    if (m_frames.size() != 1)

        return;

    m_nsImage = 0;

    m_tiffRep = 0;

}

Image* Image::loadPlatformResource(const char *name)

{

    NSBundle *bundle = [NSBundle bundleForClass:[WebCoreFrameBridge class]];

    NSString *imagePath = [bundle pathForResource:[NSString stringWithUTF8String:name] ofType:@"tiff"];

    NSData *namedImageData = [NSData dataWithContentsOfFile:imagePath];

    if (namedImageData) {

        Image* image = new BitmapImage;

        image->setData(SharedBuffer::wrapNSData(namedImageData), true);

        return image;

    }

    return 0;

}

CFDataRef BitmapImage::getTIFFRepresentation()

{

    if (m_tiffRep)

        return m_tiffRep.get();

    unsigned numFrames = frameCount();

    // If numFrames is zero, we know for certain this image doesn't have valid data

    // Even though the call to CGImageDestinationCreateWithData will fail and we'll handle it gracefully,

    // in certain circumstances that call will spam the console with an error message

    if (!numFrames)

        return 0;

    Vector<CGImageRef> images;

    for (unsigned i = 0; i < numFrames; ++i ) {

        CGImageRef cgImage = frameAtIndex(i);

        if (cgImage)

            images.append(cgImage);

    }

    unsigned numValidFrames = images.size();

    RetainPtr<CFMutableDataRef> data(AdoptCF, CFDataCreateMutable(0, 0));

    // FIXME:  Use type kCGImageTypeIdentifierTIFF constant once is becomes available in the API

    CGImageDestinationRef destination = CGImageDestinationCreateWithData(data.get(), CFSTR("public.tiff"), numValidFrames, 0);

    if (!destination)

        return 0;

    for (unsigned i = 0; i < numValidFrames; ++i)

        CGImageDestinationAddImage(destination, images[i], 0);

    CGImageDestinationFinalize(destination);

    CFRelease(destination);

    m_tiffRep = data;

    return m_tiffRep.get();

}

NSImage* BitmapImage::getNSImage()

{

    if (m_nsImage)

        return m_nsImage.get();

    CFDataRef data = getTIFFRepresentation();

    if (!data)

        return 0;

    m_nsImage.adoptNS([[NSImage alloc] initWithData:(NSData*)data]);

    return m_nsImage.get();

}

}