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
|
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_ICON_GENERATOR_H_
#define CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_ICON_GENERATOR_H_
#include <map>
#include <set>
#include <string>
#include <string_view>
#include <vector>
#include "build/build_config.h"
#include "chrome/browser/web_applications/web_app_install_info.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/gfx/image/image_skia.h"
namespace web_app {
namespace icon_size {
// An iteration of valid icon sizes in pixels. Allows client code to declare a
// subset of supported sizes that are guaranteed to be valid.
enum {
k512 = 512,
k256 = 256,
k128 = 128,
k96 = 96,
k64 = 64,
k48 = 48,
k32 = 32,
k24 = 24,
k16 = 16,
kInvalid = 0,
};
} // namespace icon_size
#if BUILDFLAG(IS_MAC)
inline constexpr int kInstallIconSize = icon_size::k96;
inline constexpr int kLauncherIconSize = icon_size::k256;
#elif BUILDFLAG(IS_CHROMEOS)
inline constexpr int kInstallIconSize = icon_size::k96;
inline constexpr int kLauncherIconSize = icon_size::k128;
#else
inline constexpr int kInstallIconSize = icon_size::k48;
inline constexpr int kLauncherIconSize = icon_size::k128;
#endif
using SizeToBitmap = std::map<SquareSizePx, SkBitmap>;
// Returns icon sizes to be generated from downloaded icons.
std::set<SquareSizePx> SizesToGenerate();
// This finds the closest not-smaller bitmap in |bitmaps| for each size in
// |sizes| and resizes it to that size. This returns a map of sizes to bitmaps
// which contains only bitmaps of a size in |sizes| and at most one bitmap of
// each size.
SizeToBitmap ConstrainBitmapsToSizes(const std::vector<SkBitmap>& bitmaps,
const std::set<SquareSizePx>& sizes);
// Resize icons to the accepted sizes, and generate any that are missing.
// Note that |icon_letter| is the first letter of app name if available
// otherwise the first letter of app url.
// Output: |is_generated_icon| represents whether the icons were generated.
SizeToBitmap ResizeIconsAndGenerateMissing(
const std::vector<SkBitmap>& icons,
const std::set<SquareSizePx>& sizes_to_generate,
std::u16string_view icon_letter,
bool* is_generated_icon);
// Generate icons for default sizes, using the first letter of the application
// name.
SizeToBitmap GenerateIcons(std::u16string_view app_name);
// Converts any image with arbitrary RGB channels to a monochrome image
// according to the spec.
// https://www.w3.org/TR/appmanifest/#monochrome-icons-and-solid-fills
gfx::ImageSkia ConvertImageToSolidFillMonochrome(SkColor solid_color,
const gfx::ImageSkia& image);
} // namespace web_app
#endif // CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_ICON_GENERATOR_H_
|
