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LibGUI: Make GUI::try_create_default_icon() tolerate single-size icons

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Some icons only exist in 16x16 and we should still allow them to be
loaded via the LibGUI default icon system.

This patch also reimplements GUI::default_icon() as a MUST() wrapper
around try_create_default_icon().
This commit is contained in:
Andreas Kling 2021-12-20 19:26:34 +01:00
parent 452a5531be
commit 186de9fe4d
Notes: sideshowbarker 2024-07-17 22:33:00 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/186de9fe4d9
1 changed files with 7 additions and 6 deletions
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13
Userland/Libraries/LibGUI/Icon.cpp
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@ -74,6 +74,11 @@ void IconImpl::set_bitmap_for_size(int size, RefPtr<Gfx::Bitmap>&& bitmap)
}
Icon Icon::default_icon(StringView name)
{
return MUST(try_create_default_icon(name));
}
ErrorOr<Icon> Icon::try_create_default_icon(StringView name)
{
RefPtr<Gfx::Bitmap> bitmap16;
RefPtr<Gfx::Bitmap> bitmap32;
@ -81,13 +86,9 @@ Icon Icon::default_icon(StringView name)
bitmap16 = bitmap_or_error.release_value();
if (auto bitmap_or_error = Gfx::Bitmap::try_load_from_file(String::formatted("/res/icons/32x32/{}.png", name)); !bitmap_or_error.is_error())
bitmap32 = bitmap_or_error.release_value();
return Icon(move(bitmap16), move(bitmap32));
}
ErrorOr<Icon> Icon::try_create_default_icon(StringView name)
{
RefPtr<Gfx::Bitmap> bitmap16 = TRY(Gfx::Bitmap::try_load_from_file(String::formatted("/res/icons/16x16/{}.png", name)));
RefPtr<Gfx::Bitmap> bitmap32 = TRY(Gfx::Bitmap::try_load_from_file(String::formatted("/res/icons/32x32/{}.png", name)));
if (!bitmap16 && !bitmap32)
return Error::from_string_literal("Default icon not found"sv);
return Icon(move(bitmap16), move(bitmap32));
}