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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SKIA_EXT_SKIA_UTILS_MAC_H_
#define SKIA_EXT_SKIA_UTILS_MAC_H_
#include <ApplicationServices/ApplicationServices.h>
#include <vector>
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkColor.h"
struct SkIRect;
struct SkPoint;
struct SkRect;
class SkCanvas;
class SkMatrix;
#ifdef __LP64__
typedef CGSize NSSize;
#else
typedef struct _NSSize NSSize;
#endif
#ifdef __OBJC__
@class NSBitmapImageRep;
@class NSImage;
@class NSImageRep;
@class NSColor;
#else
class NSBitmapImageRep;
class NSImage;
class NSImageRep;
class NSColor;
#endif
namespace gfx {
// Converts a Skia point to a CoreGraphics CGPoint.
// Both use same in-memory format.
inline const CGPoint& SkPointToCGPoint(const SkPoint& point) {
return reinterpret_cast<const CGPoint&>(point);
}
// Converts a CoreGraphics point to a Skia CGPoint.
// Both use same in-memory format.
inline const SkPoint& CGPointToSkPoint(const CGPoint& point) {
return reinterpret_cast<const SkPoint&>(point);
}
// Matrix converters.
SK_API CGAffineTransform SkMatrixToCGAffineTransform(const SkMatrix& matrix);
// Rectangle converters.
SkRect CGRectToSkRect(const CGRect& rect);
// Converts a Skia rect to a CoreGraphics CGRect.
CGRect SkIRectToCGRect(const SkIRect& rect);
CGRect SkRectToCGRect(const SkRect& rect);
// Converts CGColorRef to the ARGB layout Skia expects.
SK_API SkColor CGColorRefToSkColor(CGColorRef color);
// Converts ARGB to CGColorRef.
SK_API CGColorRef SkColorToCGColorRef(SkColor color);
// Converts NSColor to ARGB. Returns raw rgb values and does no colorspace
// conversion. Only valid for colors in calibrated and device color spaces.
SK_API SkColor NSDeviceColorToSkColor(NSColor* color);
// Converts ARGB to NSColor.
SK_API NSColor* SkColorToCalibratedNSColor(SkColor color);
SK_API NSColor* SkColorToDeviceNSColor(SkColor color);
// Converts a CGImage to a SkBitmap.
SK_API SkBitmap CGImageToSkBitmap(CGImageRef image);
// Draws an NSImage with a given size into a SkBitmap.
SK_API SkBitmap NSImageToSkBitmap(NSImage* image, NSSize size, bool is_opaque);
// Draws an NSImageRep with a given size into a SkBitmap.
SK_API SkBitmap NSImageRepToSkBitmap(
NSImageRep* image, NSSize size, bool is_opaque);
// Given an SkBitmap, return an autoreleased NSBitmapImageRep in the generic
// color space.
SK_API NSBitmapImageRep* SkBitmapToNSBitmapImageRep(const SkBitmap& image);
// Given an SkBitmap and a color space, return an autoreleased NSImage.
SK_API NSImage* SkBitmapToNSImageWithColorSpace(const SkBitmap& icon,
CGColorSpaceRef colorSpace);
// Given an SkBitmap, return an autoreleased NSImage in the generic color space.
// DEPRECATED, use SkBitmapToNSImageWithColorSpace() instead.
// TODO(thakis): Remove this -- http://crbug.com/69432
SK_API NSImage* SkBitmapToNSImage(const SkBitmap& icon);
// Converts a SkCanvas temporarily to a CGContext
class SK_API SkiaBitLocker {
public:
explicit SkiaBitLocker(SkCanvas* canvas);
~SkiaBitLocker();
CGContextRef cgContext();
private:
void releaseIfNeeded();
SkCanvas* canvas_;
CGContextRef cgContext_;
SkBitmap bitmap_;
bool useDeviceBits_;
};
} // namespace gfx
#endif // SKIA_EXT_SKIA_UTILS_MAC_H_
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