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			86 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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|  * All rights reserved.
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|  *
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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions are met:
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|  *
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|  * 1. Redistributions of source code must retain the above copyright notice, this
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|  *    list of conditions and the following disclaimer.
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|  *
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|  * 2. Redistributions in binary form must reproduce the above copyright notice,
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|  *    this list of conditions and the following disclaimer in the documentation
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|  *    and/or other materials provided with the distribution.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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|  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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|  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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|  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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|  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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|  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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|  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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|  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|  */
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| 
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| #pragma once
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| 
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| #include <Kernel/API/KeyCode.h>
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| #include <LibGfx/Color.h>
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| #include <LibGfx/Rect.h>
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| #include <LibGfx/Size.h>
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| 
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| struct MousePacket;
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| 
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| namespace WindowServer {
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| 
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| class Screen {
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| public:
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|     Screen(unsigned width, unsigned height);
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|     ~Screen();
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| 
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|     bool set_resolution(int width, int height);
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|     bool can_set_buffer() { return m_can_set_buffer; }
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|     void set_buffer(int index);
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| 
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|     int width() const { return m_width; }
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|     int height() const { return m_height; }
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|     size_t pitch() const { return m_pitch; }
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|     Gfx::RGBA32* scanline(int y);
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| 
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|     static Screen& the();
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| 
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|     Gfx::IntSize size() const { return { width(), height() }; }
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|     Gfx::IntRect rect() const { return { 0, 0, width(), height() }; }
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| 
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|     Gfx::IntPoint cursor_location() const { return m_cursor_location; }
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|     unsigned mouse_button_state() const { return m_mouse_button_state; }
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| 
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|     void on_receive_mouse_data(const MousePacket&);
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|     void on_receive_keyboard_data(::KeyEvent);
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| 
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| private:
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|     void on_change_resolution(int pitch, int width, int height);
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| 
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|     size_t m_size_in_bytes;
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| 
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|     Gfx::RGBA32* m_framebuffer { nullptr };
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|     bool m_can_set_buffer { false };
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| 
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|     int m_pitch { 0 };
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|     int m_width { 0 };
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|     int m_height { 0 };
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|     int m_framebuffer_fd { -1 };
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| 
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|     Gfx::IntPoint m_cursor_location;
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|     unsigned m_mouse_button_state { 0 };
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|     unsigned m_modifiers { 0 };
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| };
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| 
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| inline Gfx::RGBA32* Screen::scanline(int y)
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| {
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|     return reinterpret_cast<Gfx::RGBA32*>(((u8*)m_framebuffer) + (y * m_pitch));
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| }
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| 
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| }
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