1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/*
* 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 <AK/Badge.h>
#include <AK/SharedBuffer.h>
#include <ImageDecoder/ClientConnection.h>
#include <ImageDecoder/ImageDecoderClientEndpoint.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/ImageDecoder.h>
#include <LibGfx/SystemTheme.h>
namespace ImageDecoder {
static HashMap<int, RefPtr<ClientConnection>> s_connections;
ClientConnection::ClientConnection(Core::LocalSocket& socket, int client_id)
: IPC::ClientConnection<ImageDecoderServerEndpoint>(*this, socket, client_id)
{
s_connections.set(client_id, *this);
}
ClientConnection::~ClientConnection()
{
}
void ClientConnection::die()
{
s_connections.remove(client_id());
exit(0);
}
OwnPtr<Messages::ImageDecoderServer::GreetResponse> ClientConnection::handle(const Messages::ImageDecoderServer::Greet& message)
{
set_client_pid(message.client_pid());
return make<Messages::ImageDecoderServer::GreetResponse>(client_id(), getpid());
}
OwnPtr<Messages::ImageDecoderServer::DecodeImageResponse> ClientConnection::handle(const Messages::ImageDecoderServer::DecodeImage& message)
{
auto encoded_buffer = SharedBuffer::create_from_shbuf_id(message.encoded_shbuf_id());
if (!encoded_buffer) {
#ifdef IMAGE_DECODER_DEBUG
dbg() << "Could not map encoded data buffer";
#endif
return nullptr;
}
if (message.encoded_size() > (size_t)encoded_buffer->size()) {
#ifdef IMAGE_DECODER_DEBUG
dbg() << "Encoded buffer is smaller than encoded size";
#endif
return nullptr;
}
#ifdef IMAGE_DECODER_DEBUG
dbg() << "Trying to decode " << message.encoded_size() << " bytes of image(?) data in shbuf_id=" << message.encoded_shbuf_id() << " (shbuf size: " << encoded_buffer->size() << ")";
#endif
auto decoder = Gfx::ImageDecoder::create((const u8*)encoded_buffer->data(), message.encoded_size());
auto bitmap = decoder->bitmap();
if (!bitmap) {
#ifdef IMAGE_DECODER_DEBUG
dbg() << "Could not decode image from encoded data";
#endif
return make<Messages::ImageDecoderServer::DecodeImageResponse>(-1, Gfx::IntSize(), (i32)Gfx::BitmapFormat::Invalid, Vector<u32>());
}
// FIXME: We should fix ShareableBitmap so you can send it in responses as well as requests..
m_shareable_bitmap = bitmap->to_bitmap_backed_by_shared_buffer();
m_shareable_bitmap->shared_buffer()->share_with(client_pid());
Vector<u32> palette;
if (m_shareable_bitmap->is_indexed()) {
palette = m_shareable_bitmap->palette_to_vector();
}
return make<Messages::ImageDecoderServer::DecodeImageResponse>(m_shareable_bitmap->shbuf_id(), m_shareable_bitmap->size(), (i32)m_shareable_bitmap->format(), palette);
}
}
|
