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Diffstat (limited to 'intern/ghost/intern/GHOST_DisplayManager.cpp')
| -rw-r--r-- | intern/ghost/intern/GHOST_DisplayManager.cpp | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/intern/ghost/intern/GHOST_DisplayManager.cpp b/intern/ghost/intern/GHOST_DisplayManager.cpp new file mode 100644 index 00000000000..dc662634434 --- /dev/null +++ b/intern/ghost/intern/GHOST_DisplayManager.cpp @@ -0,0 +1,219 @@ +/** + * $Id$ + * ***** 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 + */ + +#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 && 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; +} |