ImageGtk.cpp   [plain text]

/*
 * Copyright (C) 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.
 */

#include "config.h"

#include "BitmapImage.h"

#include <cairo.h>
#include <gtk/gtk.h>

// This function loads resources from WebKit
Vector<char> loadResourceIntoArray(const char*);

namespace WebCore {

void BitmapImage::initPlatformData()
{
}

void BitmapImage::invalidatePlatformData()
{
}

PassRefPtr<Image> Image::loadPlatformResource(const char *name)
{
    Vector<char> arr = loadResourceIntoArray(name);
    RefPtr<BitmapImage> img = BitmapImage::create();
    RefPtr<SharedBuffer> buffer = SharedBuffer::create(arr.data(), arr.size());
    img->setData(buffer, true);
    return img.release();
}

GdkPixbuf* BitmapImage::getGdkPixbuf()
{
    int width = cairo_image_surface_get_width(frameAtIndex(currentFrame()));
    int height = cairo_image_surface_get_height(frameAtIndex(currentFrame()));

    int bestDepth = gdk_visual_get_best_depth();
    GdkColormap* cmap = gdk_colormap_new(gdk_visual_get_best_with_depth(bestDepth), true);

    GdkPixmap* pixmap = gdk_pixmap_new(0, width, height, bestDepth);
    gdk_drawable_set_colormap(GDK_DRAWABLE(pixmap), cmap);
    cairo_t* cr = gdk_cairo_create(GDK_DRAWABLE(pixmap));
    cairo_set_source_surface(cr, frameAtIndex(currentFrame()), 0, 0);
    cairo_paint(cr);
    cairo_destroy(cr);

    GdkPixbuf* pixbuf = gdk_pixbuf_get_from_drawable(0, GDK_DRAWABLE(pixmap), 0, 0, 0, 0, 0, width, height);
    g_object_unref(pixmap);
    g_object_unref(cmap);

    return pixbuf;
}

}