90 lines
2.2 KiB
C++
90 lines
2.2 KiB
C++
/*
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* \brief Framebuffer session component
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* \author Christian Prochaska
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* \date 2012-04-02
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*/
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/*
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* Copyright (C) 2012-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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/* Genode includes */
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#include <base/env.h>
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#include <nitpicker_view/client.h>
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#include <util/arg_string.h>
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#include <util/misc_math.h>
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#include "framebuffer_session_component.h"
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namespace Framebuffer {
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int Session_component::_limited_size(int requested_size, int max_size)
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{
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if (requested_size == 0)
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return max_size;
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else
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return (max_size > 0) ? Genode::min(requested_size, max_size) : requested_size;
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}
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static inline long session_arg(const char *arg, const char *key)
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{
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return Genode::Arg_string::find_arg(arg, key).long_value(0);
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}
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Session_component::Session_component(const char *args,
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QNitpickerViewWidget &nitpicker_view_widget,
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int max_width,
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int max_height)
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:
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_framebuffer(_nitpicker.framebuffer_session())
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{
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Framebuffer::Mode const
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mode(_limited_size(session_arg(args, "fb_width"), max_width),
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_limited_size(session_arg(args, "fb_height"), max_height),
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_nitpicker.mode().format());
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_nitpicker.buffer(mode, false);
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Nitpicker::View_capability nitpicker_view_cap = _nitpicker.create_view();
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Mode _mode = _framebuffer.mode();
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nitpicker_view_widget.setNitpickerView(nitpicker_view_cap,
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0, 0,
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_mode.width(),
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_mode.height());
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}
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Genode::Dataspace_capability Session_component::dataspace()
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{
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return _framebuffer.dataspace();
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}
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Mode Session_component::mode() const
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{
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return _framebuffer.mode();
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}
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void Session_component::mode_sigh(Genode::Signal_context_capability sigh_cap)
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{
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_framebuffer.mode_sigh(sigh_cap);
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}
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void Session_component::sync_sigh(Genode::Signal_context_capability sigh_cap)
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{
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_framebuffer.sync_sigh(sigh_cap);
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}
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void Session_component::refresh(int x, int y, int w, int h)
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{
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_framebuffer.refresh(x, y, w, h);
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}
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}
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