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			98 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2018-2023, Andreas Kling <kling@serenityos.org>
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|  * Copyright (c) 2021, Julius Heijmen <julius.heijmen@gmail.com>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #include <AK/DeprecatedString.h>
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| #include <LibGUI/Icon.h>
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| #include <LibGfx/Bitmap.h>
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| 
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| namespace GUI {
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| 
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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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| 
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| Icon::Icon(IconImpl const& impl)
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|     : m_impl(const_cast<IconImpl&>(impl))
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| {
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| }
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| 
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| Icon::Icon(Icon const& other)
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|     : m_impl(other.m_impl)
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| {
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| }
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| 
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| Icon::Icon(RefPtr<Gfx::Bitmap const>&& 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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| 
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| Icon::Icon(RefPtr<Gfx::Bitmap const>&& bitmap1, RefPtr<Gfx::Bitmap const>&& 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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| 
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| Gfx::Bitmap const* 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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| 
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|     int best_diff_so_far = INT32_MAX;
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|     Gfx::Bitmap const* 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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| 
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| void IconImpl::set_bitmap_for_size(int size, RefPtr<Gfx::Bitmap const>&& 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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| 
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| Icon Icon::default_icon(StringView name)
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| {
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|     return MUST(try_create_default_icon(name));
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| }
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| 
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| ErrorOr<Icon> Icon::try_create_default_icon(StringView name)
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| {
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|     RefPtr<Gfx::Bitmap> bitmap16;
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|     RefPtr<Gfx::Bitmap> bitmap32;
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|     if (auto bitmap_or_error = Gfx::Bitmap::load_from_file(DeprecatedString::formatted("/res/icons/16x16/{}.png", name)); !bitmap_or_error.is_error())
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|         bitmap16 = bitmap_or_error.release_value();
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|     if (auto bitmap_or_error = Gfx::Bitmap::load_from_file(DeprecatedString::formatted("/res/icons/32x32/{}.png", name)); !bitmap_or_error.is_error())
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|         bitmap32 = bitmap_or_error.release_value();
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| 
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|     if (!bitmap16 && !bitmap32) {
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|         dbgln("Default icon not found: {}", name);
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|         return Error::from_string_literal("Default icon not found");
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|     }
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| 
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|     return Icon(move(bitmap16), move(bitmap32));
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| }
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| 
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| }
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