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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 "base/mac/scoped_cftyperef.h"
- #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 base::ScopedCFTypeRef<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.
- 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);
- } // namespace skia
- #endif // SKIA_EXT_SKIA_UTILS_MAC_H_
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