mirror of
https://github.com/RGBCube/serenity
synced 2025-05-30 17:18:11 +00:00
99 lines
3.3 KiB
C++
99 lines
3.3 KiB
C++
/*
|
|
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#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(const Bitmap& bitmap)
|
|
: m_bitmap(bitmap.to_bitmap_backed_by_anon_fd())
|
|
{
|
|
}
|
|
|
|
ShareableBitmap::ShareableBitmap(NonnullRefPtr<Bitmap> bitmap, Tag)
|
|
: m_bitmap(move(bitmap))
|
|
{
|
|
}
|
|
|
|
}
|
|
|
|
namespace IPC {
|
|
|
|
bool encode(Encoder& encoder, const Gfx::ShareableBitmap& shareable_bitmap)
|
|
{
|
|
encoder << shareable_bitmap.is_valid();
|
|
if (!shareable_bitmap.is_valid())
|
|
return true;
|
|
auto& bitmap = *shareable_bitmap.bitmap();
|
|
encoder << IPC::File(bitmap.anon_fd());
|
|
encoder << bitmap.size();
|
|
encoder << (u32)bitmap.format();
|
|
if (bitmap.is_indexed()) {
|
|
auto palette = bitmap.palette_to_vector();
|
|
encoder << palette;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool decode(Decoder& decoder, Gfx::ShareableBitmap& shareable_bitmap)
|
|
{
|
|
bool valid = false;
|
|
if (!decoder.decode(valid))
|
|
return false;
|
|
if (!valid) {
|
|
shareable_bitmap = {};
|
|
return true;
|
|
}
|
|
IPC::File anon_file;
|
|
if (!decoder.decode(anon_file))
|
|
return false;
|
|
Gfx::IntSize size;
|
|
if (!decoder.decode(size))
|
|
return false;
|
|
u32 raw_bitmap_format;
|
|
if (!decoder.decode(raw_bitmap_format))
|
|
return false;
|
|
if (!Gfx::is_valid_bitmap_format(raw_bitmap_format))
|
|
return false;
|
|
auto bitmap_format = (Gfx::BitmapFormat)raw_bitmap_format;
|
|
Vector<Gfx::RGBA32> palette;
|
|
if (Gfx::Bitmap::is_indexed(bitmap_format)) {
|
|
if (!decoder.decode(palette))
|
|
return false;
|
|
}
|
|
auto bitmap = Gfx::Bitmap::create_with_anon_fd(bitmap_format, anon_file.take_fd(), size, palette, Gfx::Bitmap::ShouldCloseAnonymousFile::Yes);
|
|
if (!bitmap)
|
|
return false;
|
|
shareable_bitmap = Gfx::ShareableBitmap { bitmap.release_nonnull(), Gfx::ShareableBitmap::ConstructWithKnownGoodBitmap };
|
|
return true;
|
|
}
|
|
|
|
}
|