mirror of
				https://github.com/RGBCube/serenity
				synced 2025-10-31 13:32:45 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			76 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			76 lines
		
	
	
	
		
			2.6 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 <AK/SharedBuffer.h>
 | |
| #include <LibGfx/Bitmap.h>
 | |
| #include <LibGfx/ShareableBitmap.h>
 | |
| #include <LibGfx/Size.h>
 | |
| #include <LibIPC/Decoder.h>
 | |
| #include <LibIPC/Encoder.h>
 | |
| 
 | |
| namespace Gfx {
 | |
| 
 | |
| ShareableBitmap::ShareableBitmap(const Bitmap& bitmap)
 | |
|     : m_bitmap(bitmap.to_bitmap_backed_by_shared_buffer())
 | |
| {
 | |
| }
 | |
| 
 | |
| }
 | |
| 
 | |
| namespace IPC {
 | |
| 
 | |
| bool encode(Encoder& encoder, const Gfx::ShareableBitmap& shareable_bitmap)
 | |
| {
 | |
|     encoder << shareable_bitmap.shbuf_id();
 | |
|     encoder << shareable_bitmap.width();
 | |
|     encoder << shareable_bitmap.height();
 | |
|     return true;
 | |
| }
 | |
| 
 | |
| bool decode(Decoder& decoder, Gfx::ShareableBitmap& shareable_bitmap)
 | |
| {
 | |
|     i32 shbuf_id = 0;
 | |
|     Gfx::IntSize size;
 | |
|     if (!decoder.decode(shbuf_id))
 | |
|         return false;
 | |
|     if (!decoder.decode(size))
 | |
|         return false;
 | |
| 
 | |
|     if (shbuf_id == -1)
 | |
|         return true;
 | |
| 
 | |
|     dbg() << "Decoding a ShareableBitmap with shbuf_id=" << shbuf_id << ", size=" << size;
 | |
| 
 | |
|     auto shared_buffer = SharedBuffer::create_from_shbuf_id(shbuf_id);
 | |
|     if (!shared_buffer)
 | |
|         return false;
 | |
| 
 | |
|     auto bitmap = Gfx::Bitmap::create_with_shared_buffer(Gfx::BitmapFormat::RGBA32, shared_buffer.release_nonnull(), size);
 | |
|     shareable_bitmap = bitmap->to_shareable_bitmap();
 | |
|     return true;
 | |
| }
 | |
| 
 | |
| }
 | 
