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/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
#include "Display/display_precomp.h"
#ifndef __APPLE__
#ifndef WIN32
#include <X11/Xlib.h>
#include <X11/extensions/xf86vmode.h>
#define V_DBLSCAN 0x020
#else
#include <windows.h>
#endif
#endif
#include "API/Display/display_mode.h"
#include "API/Core/System/clanstring.h"
#include "display_mode_generic.h"
/////////////////////////////////////////////////////////////////////////////
// CL_DisplayMode construction:
CL_DisplayMode::CL_DisplayMode(const CL_Size &res, int bpp, int refresh_rate) : impl(0)
{
impl = new CL_DisplayMode_Generic;
impl->resolution = res;
impl->bpp = bpp;
impl->refresh_rate = refresh_rate;
}
CL_DisplayMode::CL_DisplayMode(const CL_DisplayMode ©) : impl (new CL_DisplayMode_Generic)
{
*impl = *copy.impl;
}
CL_DisplayMode::~CL_DisplayMode()
{
delete impl;
}
/////////////////////////////////////////////////////////////////////////////
// CL_DisplayMode attributes:
CL_Size CL_DisplayMode::get_resolution() const
{
return impl->resolution;
}
int CL_DisplayMode::get_bpp() const
{
return impl->bpp;
}
int CL_DisplayMode::get_refresh_rate() const
{
return impl->refresh_rate;
}
std::string CL_DisplayMode::get_string() const
{
return CL_String::format("%1x%2x%3@%4", impl->resolution.width, impl->resolution.height, impl->bpp, impl->refresh_rate);
}
std::vector<CL_DisplayMode> &CL_DisplayMode::get_display_modes()
{
static std::vector<CL_DisplayMode> modes;
if(modes.empty())
{
#ifdef WIN32
int index = 0;
while (true)
{
DEVMODE cur_devmode;
memset(&cur_devmode, 0, sizeof(DEVMODE));
cur_devmode.dmSize = sizeof(DEVMODE);
if (EnumDisplaySettings(0, index++, &cur_devmode) == 0) break;
modes.push_back(CL_DisplayMode(
CL_Size(cur_devmode.dmPelsWidth, cur_devmode.dmPelsHeight),
cur_devmode.dmBitsPerPel,
cur_devmode.dmDisplayFrequency));
}
#else
#ifndef __APPLE__
Display *display = XOpenDisplay(NULL);
int event_base;
int error_base;
// Check for VidMode extension
if (XF86VidModeQueryExtension(display, &event_base, &error_base))
{
int screen = DefaultScreen(display);
XF86VidModeModeInfo **vmodes;
int nmodes;
if (XF86VidModeGetAllModeLines(display, screen, &nmodes, &vmodes))
{
int bpp = DefaultDepth(display, screen);
int refresh_rate;
for (int i = 0; i < nmodes; i++)
{
if(vmodes[i]->htotal * vmodes[i]->vtotal != 0)
{
if ((vmodes[i]->flags) & V_DBLSCAN)
refresh_rate = vmodes[i]->dotclock * 500 / (vmodes[i]->htotal * vmodes[i]->vtotal);
else
refresh_rate = vmodes[i]->dotclock * 1000 / (vmodes[i]->htotal * vmodes[i]->vtotal);
}
else
refresh_rate = 0;
modes.push_back(CL_DisplayMode(
CL_Size(vmodes[i]->hdisplay, vmodes[i]->vdisplay),
bpp,
refresh_rate));
}
}
}
XCloseDisplay(display);
#endif
#endif
}
return modes;
}
/////////////////////////////////////////////////////////////////////////////
// CL_DisplayMode attributes:
CL_DisplayMode &CL_DisplayMode::operator =(const CL_DisplayMode ©)
{
*impl = *copy.impl;
return *this;
}
/////////////////////////////////////////////////////////////////////////////
// CL_DisplayMode implementation:
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