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/*
* Copyright (c) 2018-2020, 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.
*/
#pragma once
#include <Kernel/KeyCode.h>
#include <LibDraw/Color.h>
#include <LibDraw/Rect.h>
#include <LibDraw/Size.h>
struct MousePacket;
class WSScreen {
public:
WSScreen(unsigned width, unsigned height);
~WSScreen();
void set_resolution(int width, int height);
bool can_set_buffer() { return m_can_set_buffer; }
void set_buffer(int index);
int width() const { return m_width; }
int height() const { return m_height; }
size_t pitch() const { return m_pitch; }
RGBA32* scanline(int y);
static WSScreen& the();
Size size() const { return { width(), height() }; }
Rect rect() const { return { 0, 0, width(), height() }; }
Point cursor_location() const { return m_cursor_location; }
unsigned mouse_button_state() const { return m_mouse_button_state; }
void on_receive_mouse_data(const MousePacket&);
void on_receive_keyboard_data(KeyEvent);
private:
void on_change_resolution(int pitch, int width, int height);
size_t m_size_in_bytes;
RGBA32* m_framebuffer { nullptr };
bool m_can_set_buffer { false };
int m_pitch { 0 };
int m_width { 0 };
int m_height { 0 };
int m_framebuffer_fd { -1 };
Point m_cursor_location;
unsigned m_mouse_button_state { 0 };
unsigned m_modifiers { 0 };
};
inline RGBA32* WSScreen::scanline(int y)
{
return reinterpret_cast<RGBA32*>(((u8*)m_framebuffer) + (y * m_pitch));
}
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