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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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#pragma once
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#include <Kernel/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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struct MousePacket;
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namespace WindowServer {
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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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void 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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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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static Screen& the();
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Gfx::Size size() const { return { width(), height() }; }
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Gfx::Rect rect() const { return { 0, 0, width(), height() }; }
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Gfx::Point 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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void on_receive_mouse_data(const MousePacket&);
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void on_receive_keyboard_data(::KeyEvent);
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private:
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void on_change_resolution(int pitch, int width, int height);
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size_t m_size_in_bytes;
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Gfx::RGBA32* m_framebuffer { nullptr };
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bool m_can_set_buffer { false };
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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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Gfx::Point 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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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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