1/*
2 * Copyright (C) 2016 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. ``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 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 "NativeImage.h"
28
29#if USE(CAIRO)
30
31#include "CairoOperations.h"
32#include "CairoUtilities.h"
33#include "PlatformContextCairo.h"
34#include <cairo.h>
35
36namespace WebCore {
37
38IntSize nativeImageSize(const NativeImagePtr& image)
39{
40 return image ? cairoSurfaceSize(image.get()) : IntSize();
41}
42
43bool nativeImageHasAlpha(const NativeImagePtr& image)
44{
45 return !image || cairo_surface_get_content(image.get()) != CAIRO_CONTENT_COLOR;
46}
47
48Color nativeImageSinglePixelSolidColor(const NativeImagePtr& image)
49{
50 if (!image || nativeImageSize(image) != IntSize(1, 1))
51 return Color();
52
53 if (cairo_surface_get_type(image.get()) != CAIRO_SURFACE_TYPE_IMAGE)
54 return Color();
55
56 RGBA32* pixel = reinterpret_cast_ptr<RGBA32*>(cairo_image_surface_get_data(image.get()));
57 return colorFromPremultipliedARGB(*pixel);
58}
59
60void drawNativeImage(const NativeImagePtr& image, GraphicsContext& context, const FloatRect& destRect, const FloatRect& srcRect, const IntSize& imageSize, CompositeOperator compositeOperator, BlendMode blendMode, const ImageOrientation& orientation)
61{
62 context.drawNativeImage(image, imageSize, destRect, srcRect, compositeOperator, blendMode, orientation);
63}
64
65void clearNativeImageSubimages(const NativeImagePtr&)
66{
67}
68
69} // namespace WebCore
70
71#endif // USE(CAIRO)
72