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Serenity Operating System
1/*
2 * Copyright (c) 2018-2023, Andreas Kling <kling@serenityos.org>
3 * Copyright (c) 2021, Julius Heijmen <julius.heijmen@gmail.com>
4 *
5 * SPDX-License-Identifier: BSD-2-Clause
6 */
7
8#include <AK/DeprecatedString.h>
9#include <LibGUI/Icon.h>
10#include <LibGfx/Bitmap.h>
11
12namespace GUI {
13
14Icon::Icon()
15 : m_impl(IconImpl::create())
16{
17}
18
19Icon::Icon(IconImpl const& impl)
20 : m_impl(const_cast<IconImpl&>(impl))
21{
22}
23
24Icon::Icon(Icon const& other)
25 : m_impl(other.m_impl)
26{
27}
28
29Icon::Icon(RefPtr<Gfx::Bitmap const>&& bitmap)
30 : Icon()
31{
32 if (bitmap) {
33 VERIFY(bitmap->width() == bitmap->height());
34 int size = bitmap->width();
35 set_bitmap_for_size(size, move(bitmap));
36 }
37}
38
39Icon::Icon(RefPtr<Gfx::Bitmap const>&& bitmap1, RefPtr<Gfx::Bitmap const>&& bitmap2)
40 : Icon(move(bitmap1))
41{
42 if (bitmap2) {
43 VERIFY(bitmap2->width() == bitmap2->height());
44 int size = bitmap2->width();
45 set_bitmap_for_size(size, move(bitmap2));
46 }
47}
48
49Gfx::Bitmap const* IconImpl::bitmap_for_size(int size) const
50{
51 auto it = m_bitmaps.find(size);
52 if (it != m_bitmaps.end())
53 return it->value.ptr();
54
55 int best_diff_so_far = INT32_MAX;
56 Gfx::Bitmap const* best_fit = nullptr;
57 for (auto& it : m_bitmaps) {
58 int abs_diff = abs(it.key - size);
59 if (abs_diff < best_diff_so_far) {
60 best_diff_so_far = abs_diff;
61 best_fit = it.value.ptr();
62 }
63 }
64 return best_fit;
65}
66
67void IconImpl::set_bitmap_for_size(int size, RefPtr<Gfx::Bitmap const>&& bitmap)
68{
69 if (!bitmap) {
70 m_bitmaps.remove(size);
71 return;
72 }
73 m_bitmaps.set(size, move(bitmap));
74}
75
76Icon Icon::default_icon(StringView name)
77{
78 return MUST(try_create_default_icon(name));
79}
80
81ErrorOr<Icon> Icon::try_create_default_icon(StringView name)
82{
83 RefPtr<Gfx::Bitmap> bitmap16;
84 RefPtr<Gfx::Bitmap> bitmap32;
85 if (auto bitmap_or_error = Gfx::Bitmap::load_from_file(DeprecatedString::formatted("/res/icons/16x16/{}.png", name)); !bitmap_or_error.is_error())
86 bitmap16 = bitmap_or_error.release_value();
87 if (auto bitmap_or_error = Gfx::Bitmap::load_from_file(DeprecatedString::formatted("/res/icons/32x32/{}.png", name)); !bitmap_or_error.is_error())
88 bitmap32 = bitmap_or_error.release_value();
89
90 if (!bitmap16 && !bitmap32) {
91 dbgln("Default icon not found: {}", name);
92 return Error::from_string_literal("Default icon not found");
93 }
94
95 return Icon(move(bitmap16), move(bitmap32));
96}
97
98}