mirror of
https://github.com/SerenityOS/serenity.git
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82 lines
1.8 KiB
C++
82 lines
1.8 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/String.h>
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#include <LibGUI/Icon.h>
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#include <LibGfx/Bitmap.h>
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namespace GUI {
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Icon::Icon()
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: m_impl(IconImpl::create())
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{
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}
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Icon::Icon(const IconImpl& impl)
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: m_impl(const_cast<IconImpl&>(impl))
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{
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}
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Icon::Icon(const Icon& other)
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: m_impl(other.m_impl)
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{
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}
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Icon::Icon(RefPtr<Gfx::Bitmap>&& bitmap)
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: Icon()
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{
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if (bitmap) {
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VERIFY(bitmap->width() == bitmap->height());
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int size = bitmap->width();
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set_bitmap_for_size(size, move(bitmap));
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}
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}
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Icon::Icon(RefPtr<Gfx::Bitmap>&& bitmap1, RefPtr<Gfx::Bitmap>&& bitmap2)
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: Icon(move(bitmap1))
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{
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if (bitmap2) {
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VERIFY(bitmap2->width() == bitmap2->height());
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int size = bitmap2->width();
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set_bitmap_for_size(size, move(bitmap2));
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}
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}
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const Gfx::Bitmap* IconImpl::bitmap_for_size(int size) const
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{
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auto it = m_bitmaps.find(size);
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if (it != m_bitmaps.end())
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return it->value.ptr();
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int best_diff_so_far = INT32_MAX;
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const Gfx::Bitmap* best_fit = nullptr;
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for (auto& it : m_bitmaps) {
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int abs_diff = abs(it.key - size);
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if (abs_diff < best_diff_so_far) {
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best_diff_so_far = abs_diff;
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best_fit = it.value.ptr();
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}
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}
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return best_fit;
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}
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void IconImpl::set_bitmap_for_size(int size, RefPtr<Gfx::Bitmap>&& bitmap)
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{
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if (!bitmap) {
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m_bitmaps.remove(size);
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return;
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}
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m_bitmaps.set(size, move(bitmap));
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}
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Icon Icon::default_icon(const StringView& name)
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{
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auto bitmap16 = Gfx::Bitmap::try_load_from_file(String::formatted("/res/icons/16x16/{}.png", name));
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auto bitmap32 = Gfx::Bitmap::try_load_from_file(String::formatted("/res/icons/32x32/{}.png", name));
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return Icon(move(bitmap16), move(bitmap32));
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}
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}
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