1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
// Copyright 2012 The Chromium Authors
// 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/apple/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
// TODO(crbug.com/40264240): Remove this.
class NSImage;
#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);
#ifdef __OBJC__
// 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);
#endif // __OBJC__
// 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::apple::ScopedCFTypeRef<CGColorRef> CGColorCreateFromSkColor(
SkColor color);
#ifdef __OBJC__
// 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);
#endif // __OBJC__
// Converts a CGImage to a SkBitmap.
SK_API SkBitmap CGImageToSkBitmap(CGImageRef image);
#ifdef __OBJC__
// Draws an NSImage with a given size into a SkBitmap.
SK_API SkBitmap NSImageToSkBitmap(NSImage* image, 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.
SK_API NSBitmapImageRep* SkBitmapToNSBitmapImageRep(const SkBitmap& skiaBitmap);
#endif // __OBJC__
// Given an SkBitmap and a color space, return an autoreleased NSImage.
// TODO(crbug.com/40264240): Restrict this to Objective-C callers.
SK_API NSImage* SkBitmapToNSImage(const SkBitmap& icon);
} // namespace skia
#endif // SKIA_EXT_SKIA_UTILS_MAC_H_
|
