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/**
* $Id$
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
/**
* $Id$
* Copyright (C) 2001 NaN Technologies B.V.
* @author Maarten Gribnau
* @date September 21, 2001
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "GHOST_DisplayManager.h"
#include "GHOST_Debug.h"
GHOST_DisplayManager::GHOST_DisplayManager(
void)
: m_settingsInitialized(false)
{
}
GHOST_DisplayManager::~GHOST_DisplayManager(void)
{
}
GHOST_TSuccess
GHOST_DisplayManager::initialize(
void)
{
GHOST_TSuccess success;
if (!m_settingsInitialized) {
success = initializeSettings();
m_settingsInitialized = true;
}
else {
success = GHOST_kSuccess;
}
return success;
}
GHOST_TSuccess
GHOST_DisplayManager::getNumDisplays(
GHOST_TUns8& /*numDisplays*/) const
{
// Don't know if we have a display...
return GHOST_kFailure;
}
GHOST_TSuccess
GHOST_DisplayManager::getNumDisplaySettings(
GHOST_TUns8 display,
GHOST_TInt32& numSettings) const
{
GHOST_TSuccess success;
GHOST_ASSERT(m_settingsInitialized, "GHOST_DisplayManager::getNumDisplaySettings(): m_settingsInitialized=false");
GHOST_TUns8 numDisplays;
success = getNumDisplays(numDisplays);
if (success == GHOST_kSuccess) {
if (display < numDisplays) {
numSettings = m_settings[display].size();
}
else {
success = GHOST_kFailure;
}
}
return success;
}
GHOST_TSuccess
GHOST_DisplayManager::getDisplaySetting(
GHOST_TUns8 display,
GHOST_TInt32 index,
GHOST_DisplaySetting& setting) const
{
GHOST_TSuccess success;
GHOST_ASSERT(m_settingsInitialized, "GHOST_DisplayManager::getNumDisplaySettings(): m_settingsInitialized=false");
GHOST_TUns8 numDisplays;
success = getNumDisplays(numDisplays);
if (success == GHOST_kSuccess) {
if (display < numDisplays && ((GHOST_TUns8)index < m_settings[display].size())) {
setting = m_settings[display][index];
}
else {
success = GHOST_kFailure;
}
}
return success;
}
GHOST_TSuccess
GHOST_DisplayManager::getCurrentDisplaySetting(
GHOST_TUns8 /*display*/,
GHOST_DisplaySetting& /*setting*/) const
{
return GHOST_kFailure;
}
GHOST_TSuccess
GHOST_DisplayManager::setCurrentDisplaySetting(
GHOST_TUns8 /*display*/,
const GHOST_DisplaySetting& /*setting*/)
{
return GHOST_kFailure;
}
GHOST_TSuccess
GHOST_DisplayManager::findMatch(
GHOST_TUns8 display,
const GHOST_DisplaySetting& setting,
GHOST_DisplaySetting& match) const
{
GHOST_TSuccess success = GHOST_kSuccess;
GHOST_ASSERT(m_settingsInitialized, "GHOST_DisplayManager::findMatch(): m_settingsInitialized=false");
int criteria[4] = { setting.xPixels, setting.yPixels, setting.bpp, setting.frequency };
int capabilities[4];
double field, score;
double best = 1e12; // A big number
int found = 0;
// Look at all the display modes
for (int i = 0; (i < (int)m_settings[display].size()); i++) {
// Store the capabilities of the display device
capabilities[0] = m_settings[display][i].xPixels;
capabilities[1] = m_settings[display][i].yPixels;
capabilities[2] = m_settings[display][i].bpp;
capabilities[3] = m_settings[display][i].frequency;
// Match against all the fields of the display settings
score = 0;
for (int j = 0; j < 4; j++) {
field = capabilities[j] - criteria[j];
score += field * field;
}
if (score < best) {
found = i;
best = score;
}
}
match = m_settings[display][found];
GHOST_PRINT("GHOST_DisplayManager::findMatch(): settings of match:\n");
GHOST_PRINT(" setting.xPixels=" << match.xPixels << "\n");
GHOST_PRINT(" setting.yPixels=" << match.yPixels << "\n");
GHOST_PRINT(" setting.bpp=" << match.bpp << "\n");
GHOST_PRINT(" setting.frequency=" << match.frequency << "\n");
return success;
}
GHOST_TSuccess
GHOST_DisplayManager::initializeSettings(
void)
{
GHOST_TUns8 numDisplays;
GHOST_TSuccess success = getNumDisplays(numDisplays);
if (success == GHOST_kSuccess) {
for (GHOST_TUns8 display = 0; (display < numDisplays) && (success == GHOST_kSuccess); display++) {
GHOST_DisplaySettings displaySettings;
m_settings.push_back(displaySettings);
GHOST_TInt32 numSettings;
success = getNumDisplaySettings(display, numSettings);
if (success == GHOST_kSuccess) {
GHOST_TInt32 index;
GHOST_DisplaySetting setting;
for (index = 0; (index < numSettings) && (success == GHOST_kSuccess); index++) {
success = getDisplaySetting(display, index, setting);
m_settings[display].push_back(setting);
}
}
else {
break;
}
}
}
return success;
}
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