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Viewing changes to intern/ghost/intern/GHOST_DisplayManagerCarbon.cpp

  • Committer: Reinhard Tartler
  • Date: 2014-05-31 01:50:05 UTC
  • mfrom: (14.2.27 sid)
  • Revision ID: siretart@tauware.de-20140531015005-ml6druahuj82nsav
merge from debian

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intern/ghost/intern/GHOST_DisplayManagerCarbon.cpp
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/*
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 * ***** BEGIN GPL LICENSE BLOCK *****
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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 *
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 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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 * All rights reserved.
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 *
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 * The Original Code is: all of this file.
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 *
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 * Contributor(s): none yet.
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 *
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 * ***** END GPL LICENSE BLOCK *****
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 */
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/** \file ghost/intern/GHOST_DisplayManagerCarbon.cpp
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 *  \ingroup GHOST
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 */
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/**
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 * Copyright (C) 2001 NaN Technologies B.V.
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 * \author      Maarten Gribnau
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 * \date        September 21, 2001
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 */
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#include "GHOST_DisplayManagerCarbon.h"
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#include "GHOST_Debug.h"
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// We do not support multiple monitors at the moment
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GHOST_DisplayManagerCarbon::GHOST_DisplayManagerCarbon(void)
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{
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        if (::CGGetActiveDisplayList(0, NULL, &m_numDisplays) != CGDisplayNoErr)
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        {
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                m_numDisplays = 0;
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                m_displayIDs = NULL;
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        }
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        if (m_numDisplays > 0)
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        {
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                m_displayIDs = new CGDirectDisplayID[m_numDisplays];
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                GHOST_ASSERT((m_displayIDs != NULL), "GHOST_DisplayManagerCarbon::GHOST_DisplayManagerCarbon(): memory allocation failed");
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                ::CGGetActiveDisplayList(m_numDisplays, m_displayIDs, &m_numDisplays);
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        }
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}
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60
 
 
61
 
GHOST_TSuccess GHOST_DisplayManagerCarbon::getNumDisplays(GHOST_TUns8& numDisplays) const
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{
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        numDisplays = (GHOST_TUns8) m_numDisplays;
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        return GHOST_kSuccess;
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}
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GHOST_TSuccess GHOST_DisplayManagerCarbon::getNumDisplaySettings(GHOST_TUns8 display, GHOST_TInt32& numSettings) const
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{
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        GHOST_ASSERT((display == kMainDisplay), "GHOST_DisplayManagerCarbon::getNumDisplaySettings(): only main display is supported");
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        CFArrayRef displayModes;
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        displayModes = ::CGDisplayAvailableModes(m_displayIDs[display]);
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        CFIndex numModes = ::CFArrayGetCount(displayModes);
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        numSettings = (GHOST_TInt32)numModes;
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        return GHOST_kSuccess;
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}
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GHOST_TSuccess GHOST_DisplayManagerCarbon::getDisplaySetting(GHOST_TUns8 display, GHOST_TInt32 index, GHOST_DisplaySetting& setting) const
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{
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        GHOST_ASSERT((display == kMainDisplay), "GHOST_DisplayManagerCarbon::getDisplaySetting(): only main display is supported");
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        CFArrayRef displayModes;
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        CGDirectDisplayID d = m_displayIDs[display];
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        displayModes = ::CGDisplayAvailableModes(d);
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        //CFIndex numModes = ::CFArrayGetCount(displayModes);/*unused*/
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        //GHOST_TInt32 numSettings = (GHOST_TInt32)numModes; /*unused*/
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        CFDictionaryRef displayModeValues = (CFDictionaryRef) ::CFArrayGetValueAtIndex(displayModes, index);
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        setting.xPixels     = getValue(displayModeValues, kCGDisplayWidth);
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        setting.yPixels     = getValue(displayModeValues, kCGDisplayHeight);
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        setting.bpp         = getValue(displayModeValues, kCGDisplayBitsPerPixel);
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        setting.frequency   = getValue(displayModeValues, kCGDisplayRefreshRate);
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#ifdef GHOST_DEBUG
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        printf("display mode: width=%d, height=%d, bpp=%d, frequency=%d\n", setting.xPixels, setting.yPixels, setting.bpp, setting.frequency);
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#endif // GHOST_DEBUG
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        return GHOST_kSuccess;
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}
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GHOST_TSuccess GHOST_DisplayManagerCarbon::getCurrentDisplaySetting(GHOST_TUns8 display, GHOST_DisplaySetting& setting) const
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{
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        GHOST_ASSERT((display == kMainDisplay), "GHOST_DisplayManagerCarbon::getCurrentDisplaySetting(): only main display is supported");
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        CFDictionaryRef displayModeValues = ::CGDisplayCurrentMode(m_displayIDs[display]);
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        setting.xPixels     = getValue(displayModeValues, kCGDisplayWidth);
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        setting.yPixels     = getValue(displayModeValues, kCGDisplayHeight);
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        setting.bpp         = getValue(displayModeValues, kCGDisplayBitsPerPixel);
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        setting.frequency   = getValue(displayModeValues, kCGDisplayRefreshRate);
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#ifdef GHOST_DEBUG
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        printf("current display mode: width=%d, height=%d, bpp=%d, frequency=%d\n", setting.xPixels, setting.yPixels, setting.bpp, setting.frequency);
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#endif // GHOST_DEBUG
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        return GHOST_kSuccess;
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}
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GHOST_TSuccess GHOST_DisplayManagerCarbon::setCurrentDisplaySetting(GHOST_TUns8 display, const GHOST_DisplaySetting& setting)
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{
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        GHOST_ASSERT((display == kMainDisplay), "GHOST_DisplayManagerCarbon::setCurrentDisplaySetting(): only main display is supported");
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#ifdef GHOST_DEBUG
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        printf("GHOST_DisplayManagerCarbon::setCurrentDisplaySetting(): requested settings:\n");
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        printf("  setting.xPixels=%d\n", setting.xPixels);
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        printf("  setting.yPixels=%d\n", setting.yPixels);
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        printf("  setting.bpp=%d\n", setting.bpp);
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        printf("  setting.frequency=%d\n", setting.frequency);
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#endif // GHOST_DEBUG
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        CFDictionaryRef displayModeValues = ::CGDisplayBestModeForParametersAndRefreshRate(
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            m_displayIDs[display],
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            (size_t)setting.bpp,
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            (size_t)setting.xPixels,
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            (size_t)setting.yPixels,
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            (CGRefreshRate)setting.frequency,
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            NULL);
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#ifdef GHOST_DEBUG
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        printf("GHOST_DisplayManagerCarbon::setCurrentDisplaySetting(): switching to:\n");
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        printf("  setting.xPixels=%d\n", getValue(displayModeValues, kCGDisplayWidth));
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        printf("  setting.yPixels=%d\n", getValue(displayModeValues, kCGDisplayHeight));
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        printf("  setting.bpp=%d\n", getValue(displayModeValues, kCGDisplayBitsPerPixel));
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        printf("  setting.frequency=%d\n", getValue(displayModeValues, kCGDisplayRefreshRate));
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#endif // GHOST_DEBUG
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        CGDisplayErr err = ::CGDisplaySwitchToMode(m_displayIDs[display], displayModeValues);
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        return err == CGDisplayNoErr ? GHOST_kSuccess : GHOST_kFailure;
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}
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long GHOST_DisplayManagerCarbon::getValue(CFDictionaryRef values, CFStringRef key) const
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{
160
 
        CFNumberRef numberValue = (CFNumberRef) CFDictionaryGetValue(values, key);
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162
 
        if (!numberValue)
163
 
        {
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                return -1;
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        }
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167
 
        long intValue;
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169
 
        if (!CFNumberGetValue(numberValue, kCFNumberLongType, &intValue))
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        {
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                return -1;
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        }
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        return intValue;
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}