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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"
#include "third_party/skia/include/core/SkPixmap.h"
struct SkIRect;
struct SkRect;
class SkMatrix;
using NSSize = CGSize;
#ifdef __OBJC__
@class NSBitmapImageRep;
@class NSImage;
@class NSImageRep;
@class NSColor;
#else
class NSBitmapImageRep;
class NSImage;
class NSImageRep;
class NSColor;
#endif
namespace skia {
// Matrix converters.
SK_API CGAffineTransform SkMatrixToCGAffineTransform(const SkMatrix& matrix);
// Rectangle converters.
SK_API SkRect CGRectToSkRect(const CGRect& rect);
// Converts a Skia rect to a CoreGraphics CGRect.
CGRect SkIRectToCGRect(const SkIRect& rect);
CGRect SkRectToCGRect(const SkRect& rect);
// Converts NSColor to an SKColor.
// NSColor has a number of methods that return system colors (i.e. controlled by
// user preferences). This function converts the color given by an NSColor class
// method to an SkColor. Official documentation suggests developers only rely on
// +[NSColor selectedTextBackgroundColor] and +[NSColor selectedControlColor],
// but other colors give a good baseline. For many, a gradient is involved; the
// palette chosen based on the enum value given by +[NSColor currentColorTint].
// Apple's documentation also suggests to use NSColorList, but the system color
// list is just populated with class methods on NSColor.
SK_API SkColor NSSystemColorToSkColor(NSColor* color);
// Converts CGColorRef to the ARGB layout Skia expects. The given CGColorRef
// should be in the sRGB color space and include alpha.
SK_API SkColor CGColorRefToSkColor(CGColorRef color);
// Converts a Skia ARGB color to CGColorRef. Assumes sRGB color space.
SK_API CGColorRef CGColorCreateFromSkColor(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 in the specified color space to NSColor.
// Prefer sRGB over calibrated colors.
SK_API NSColor* SkColorToCalibratedNSColor(SkColor color);
SK_API NSColor* SkColorToDeviceNSColor(SkColor color);
SK_API NSColor* SkColorToSRGBNSColor(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 NSImageToSkBitmapWithColorSpace(NSImage* image,
bool is_opaque,
CGColorSpaceRef color_space);
// Draws an NSImageRep with a given size into a SkBitmap.
SK_API SkBitmap NSImageRepToSkBitmapWithColorSpace(NSImageRep* image,
NSSize size,
bool is_opaque,
CGColorSpaceRef colorspace);
// Given an SkBitmap, return an autoreleased NSBitmapImageRep in the generic
// color space.
SK_API NSBitmapImageRep* SkBitmapToNSBitmapImageRep(const SkBitmap& image);
SK_API NSBitmapImageRep* SkBitmapToNSBitmapImageRepWithColorSpace(
const SkBitmap& skiaBitmap,
CGColorSpaceRef colorSpace);
// 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);
} // namespace skia
#endif // SKIA_EXT_SKIA_UTILS_MAC_H_