khanat-opennel-code/code/nel/samples/3d/nel_qt/graphics_viewport.cpp

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// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <nel/misc/types_nl.h>
#include "graphics_viewport.h"
// STL includes
// Qt includes
#include <QtGui/QAction>
// NeL includes
#include <nel/misc/debug.h>
#include <nel/misc/hierarchical_timer.h>
#include <nel/misc/file.h>
#include <nel/misc/bitmap.h>
#include <nel/misc/path.h>
#include <nel/misc/i18n.h>
#include <nel/3d/u_driver.h>
#include <nel/3d/u_text_context.h>
// Project includes
#include "internationalization.h"
#include "graphics_config.h"
using namespace std;
using namespace NLMISC;
using namespace NL3D;
namespace NLQT {
namespace {
QString nli18n(const char *label)
{
return QString::fromUtf16(CI18N::get(label).c_str());
}
} /* anonymous namespace */
CGraphicsViewport::CGraphicsViewport(QWidget *parent)
: QWidget(parent),
m_GraphicsConfig(NULL),
m_Driver(NULL),
m_TextContext(NULL)
{
}
CGraphicsViewport::~CGraphicsViewport()
{
}
void CGraphicsViewport::init(CGraphicsConfig *graphicsConfig)
{
//H_AUTO2
nldebug("CGraphicsViewport::init");
// copy parameters
m_GraphicsConfig = graphicsConfig;
// check stuff we need
nlassert(m_GraphicsConfig);
// create the driver
nlassert(!m_Driver);
m_Direct3D = false;
std::string driver = m_GraphicsConfig->getGraphicsDriver();
if (driver == "Direct3D") m_Direct3D = true; //m_Driver = Direct3D;
else if (driver == "OpenGL") m_Direct3D = false; //m_Driver = OpenGL;
else
{
nlwarning("Invalid driver specified, defaulting to OpenGL");
//m_Configuration->getConfigFile().getVar("GraphicsDriver").forceAsString("OpenGL");
//m_Driver = OpenGL;
}
m_Driver = UDriver::createDriver(NULL, m_Direct3D, NULL);
nlassert(m_Driver);
// initialize the window with config file values
m_Driver->setDisplay(winId(), NL3D::UDriver::CMode(width(), height(), 32));
// register config callbacks
connect(m_GraphicsConfig, SIGNAL(onBackgroundColor(NLMISC::CRGBA)),
this, SLOT(cfcbBackgroundColor(NLMISC::CRGBA)));
m_BackgroundColor = m_GraphicsConfig->getBackgroundColor();
// set the cache size for the font manager(in bytes)
m_Driver->setFontManagerMaxMemory(2097152);
// create the text context
nlassert(!m_TextContext);
m_TextContext = m_Driver->createTextContext(CPath::lookup(
m_GraphicsConfig->getFontName()));
nlassert(m_TextContext);
connect(m_GraphicsConfig, SIGNAL(onFontShadow(bool)),
this, SLOT(cfcbFontShadow(bool)));
m_TextContext->setShaded(m_GraphicsConfig->getFontShadow());
}
void CGraphicsViewport::release()
{
//H_AUTO2
nldebug("CGraphicsViewport::release");
// release text context
nlassert(m_TextContext);
disconnect(m_GraphicsConfig, SIGNAL(onFontShadow(bool)),
this, SLOT(cfcbFontShadow(bool)));
m_Driver->deleteTextContext(m_TextContext);
m_TextContext = NULL;
// release driver
nlassert(m_Driver);
disconnect(m_GraphicsConfig, SIGNAL(onBackgroundColor(NLMISC::CRGBA)),
this, SLOT(cfcbBackgroundColor(NLMISC::CRGBA)));
m_Driver->release();
delete m_Driver;
m_Driver = NULL;
// reset parameters
m_GraphicsConfig = NULL;
}
void CGraphicsViewport::updateInput()
{
m_Driver->EventServer.pump();
}
void CGraphicsViewport::renderDriver()
{
m_Driver->clearBuffers(m_BackgroundColor);
}
void CGraphicsViewport::renderDebug2D()
{
m_TextContext->setColor(NL3D::CRGBA (255, 255, 255));
m_TextContext->setFontSize(40);
m_TextContext->setHotSpot(NL3D::UTextContext::BottomLeft);
m_TextContext->printAt(0.3f, 0.5f, std::string("NeL Qt"));
}
void CGraphicsViewport::cfcbBackgroundColor(NLMISC::CRGBA backgroundColor)
{
m_BackgroundColor = backgroundColor;
}
void CGraphicsViewport::cfcbFontShadow(bool fontShadow)
{
m_TextContext->setShaded(fontShadow);
}
QAction *CGraphicsViewport::createSaveScreenshotAction(QObject *parent)
{
QAction *action = new QAction(parent);
connect(action, SIGNAL(triggered()), this, SLOT(saveScreenshot()));
return action;
}
void CGraphicsViewport::saveScreenshot()
{
saveScreenshot(
m_GraphicsConfig->getScreenshotName(),
m_GraphicsConfig->getScreenshotJPG(),
m_GraphicsConfig->getScreenshotPNG(),
m_GraphicsConfig->getScreenshotTGA());
}
void CGraphicsViewport::saveScreenshot(const string &name, bool jpg, bool png, bool tga)
{
//H_AUTO2
// FIXME: create screenshot path if it doesn't exist!
// empty bitmap
CBitmap bitmap;
// copy the driver buffer to the bitmap
m_Driver->getBuffer(bitmap);
// create the file name
string filename = std::string("./")
+ m_GraphicsConfig->getScreenshotPath()
+ std::string("/") + name;
// write the bitmap as a jpg, png or tga to the file
if (jpg)
{
string newfilename = CFile::findNewFile(filename + ".jpg");
COFile outputFile(newfilename);
bitmap.writeJPG(outputFile, 100);
nlinfo("Screenshot '%s' saved", newfilename.c_str());
}
if (png)
{
string newfilename = CFile::findNewFile(filename + ".png");
COFile outputFile(newfilename);
bitmap.writePNG(outputFile, 24);
nlinfo("Screenshot '%s' saved", newfilename.c_str());
}
if (tga)
{
string newfilename = CFile::findNewFile(filename + ".tga");
COFile outputFile(newfilename);
bitmap.writeTGA(outputFile, 24, false);
nlinfo("Screenshot '%s' saved", newfilename.c_str());
}
}
void CGraphicsViewport::resizeEvent(QResizeEvent *resizeEvent)
{
QWidget::resizeEvent(resizeEvent);
if (m_Driver && !m_Direct3D)
{
m_Driver->setMode(UDriver::CMode(resizeEvent->size().width(), resizeEvent->size().height(), 32));
}
// The OpenGL driver does not resize automatically.
// The Direct3D driver breaks the window mode to include window borders when calling setMode windowed.
// Resizing the window after switching drivers a few times becomes slow.
// There is probably something inside the drivers not being released properly.
}
} /* namespace NLQT */
/* end of file */