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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGfx/Bitmap.h>
#include <LibGfx/ShareableBitmap.h>
#include <LibGfx/Size.h>
#include <LibIPC/Decoder.h>
#include <LibIPC/Encoder.h>
#include <LibIPC/File.h>
namespace Gfx {
ShareableBitmap::ShareableBitmap(NonnullRefPtr<Bitmap> bitmap, Tag)
: m_bitmap(move(bitmap))
{
}
}
namespace IPC {
template<>
bool encode(Encoder& encoder, Gfx::ShareableBitmap const& shareable_bitmap)
{
encoder << shareable_bitmap.is_valid();
if (!shareable_bitmap.is_valid())
return true;
auto& bitmap = *shareable_bitmap.bitmap();
encoder << IPC::File(bitmap.anonymous_buffer().fd());
encoder << bitmap.size();
encoder << static_cast<u32>(bitmap.scale());
encoder << static_cast<u32>(bitmap.format());
if (bitmap.is_indexed()) {
auto palette = bitmap.palette_to_vector();
encoder << palette;
}
return true;
}
template<>
ErrorOr<Gfx::ShareableBitmap> decode(Decoder& decoder)
{
if (auto valid = TRY(decoder.decode<bool>()); !valid)
return Gfx::ShareableBitmap {};
auto anon_file = TRY(decoder.decode<IPC::File>());
auto size = TRY(decoder.decode<Gfx::IntSize>());
auto scale = TRY(decoder.decode<u32>());
auto raw_bitmap_format = TRY(decoder.decode<u32>());
if (!Gfx::is_valid_bitmap_format(raw_bitmap_format))
return Error::from_string_literal("IPC: Invalid Gfx::ShareableBitmap format");
auto bitmap_format = static_cast<Gfx::BitmapFormat>(raw_bitmap_format);
Vector<Gfx::ARGB32> palette;
if (Gfx::Bitmap::is_indexed(bitmap_format))
palette = TRY(decoder.decode<decltype(palette)>());
auto buffer = TRY(Core::AnonymousBuffer::create_from_anon_fd(anon_file.take_fd(), Gfx::Bitmap::size_in_bytes(Gfx::Bitmap::minimum_pitch(size.width() * scale, bitmap_format), size.height() * scale)));
auto bitmap = TRY(Gfx::Bitmap::try_create_with_anonymous_buffer(bitmap_format, move(buffer), size, scale, palette));
return Gfx::ShareableBitmap { move(bitmap), Gfx::ShareableBitmap::ConstructWithKnownGoodBitmap };
}
}
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