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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <AK/String.h>
28#include <LibGUI/Icon.h>
29#include <LibGfx/Bitmap.h>
30
31namespace GUI {
32
33Icon::Icon()
34 : m_impl(IconImpl::create())
35{
36}
37
38Icon::Icon(const IconImpl& impl)
39 : m_impl(const_cast<IconImpl&>(impl))
40{
41}
42
43Icon::Icon(const Icon& other)
44 : m_impl(other.m_impl)
45{
46}
47
48Icon::Icon(RefPtr<Gfx::Bitmap>&& bitmap)
49 : Icon()
50{
51 if (bitmap) {
52 ASSERT(bitmap->width() == bitmap->height());
53 int size = bitmap->width();
54 set_bitmap_for_size(size, move(bitmap));
55 }
56}
57
58Icon::Icon(RefPtr<Gfx::Bitmap>&& bitmap1, RefPtr<Gfx::Bitmap>&& bitmap2)
59 : Icon(move(bitmap1))
60{
61 if (bitmap2) {
62 ASSERT(bitmap2->width() == bitmap2->height());
63 int size = bitmap2->width();
64 set_bitmap_for_size(size, move(bitmap2));
65 }
66}
67
68const Gfx::Bitmap* IconImpl::bitmap_for_size(int size) const
69{
70 auto it = m_bitmaps.find(size);
71 if (it != m_bitmaps.end())
72 return it->value.ptr();
73
74 int best_diff_so_far = INT32_MAX;
75 const Gfx::Bitmap* best_fit = nullptr;
76 for (auto& it : m_bitmaps) {
77 int abs_diff = abs(it.key - size);
78 if (abs_diff < best_diff_so_far) {
79 best_diff_so_far = abs_diff;
80 best_fit = it.value.ptr();
81 }
82 }
83 return best_fit;
84}
85
86void IconImpl::set_bitmap_for_size(int size, RefPtr<Gfx::Bitmap>&& bitmap)
87{
88 if (!bitmap) {
89 m_bitmaps.remove(size);
90 return;
91 }
92 m_bitmaps.set(size, move(bitmap));
93}
94
95Icon Icon::default_icon(const StringView& name)
96{
97 auto bitmap16 = Gfx::Bitmap::load_from_file(String::format("/res/icons/16x16/%s.png", String(name).characters()));
98 auto bitmap32 = Gfx::Bitmap::load_from_file(String::format("/res/icons/32x32/%s.png", String(name).characters()));
99 return Icon(move(bitmap16), move(bitmap32));
100}
101
102}