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This commit is contained in:
FluorescentCIAAfricanAmerican
368
vgui2/dme_controls/ChannelGraphPanel.cpp
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368
vgui2/dme_controls/ChannelGraphPanel.cpp
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================//
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#include <math.h>
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#include <dme_controls/ChannelGraphPanel.h>
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#include <vgui/IScheme.h>
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#include <vgui/ISurface.h>
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#include <vgui/IVGui.h>
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#include "vgui/IInput.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include <tier0/memdbgon.h>
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using namespace vgui;
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DECLARE_BUILD_FACTORY( CChannelGraphPanel );
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//-----------------------------------------------------------------------------
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// Purpose: Constructor
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//-----------------------------------------------------------------------------
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CChannelGraphPanel::CChannelGraphPanel( Panel *parent, const char *name )
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: BaseClass( parent, name ), m_font( 0 ),
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m_graphMinTime( 0 ), m_graphMaxTime( 0 ),
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m_graphMinValue( 0.0f ), m_graphMaxValue( 0.0f ),
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m_nMouseStartX( -1 ), m_nMouseStartY( -1 ),
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m_nMouseLastX( -1 ), m_nMouseLastY( -1 ),
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m_nTextBorder( 2 ), m_nGraphOriginX( 40 ), m_nGraphOriginY( 10 )
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{
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}
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void CChannelGraphPanel::SetChannel( CDmeChannel *pChannel )
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{
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m_hChannel = pChannel;
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CDmeLog *pLog = m_hChannel->GetLog();
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m_graphMinTime = pLog->GetBeginTime();
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m_graphMaxTime = pLog->GetEndTime();
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m_graphMinValue = FLT_MAX;
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m_graphMaxValue = -FLT_MAX;
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int nComponents = NumComponents( pLog->GetDataType() );
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int nKeys = pLog->GetKeyCount();
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for ( int k = 0; k < nKeys; ++k )
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{
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DmeTime_t t = pLog->GetKeyTime( k );
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for ( int i = 0; i < nComponents; ++i )
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{
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float f = pLog->GetComponent( t, i );
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m_graphMinValue = min( m_graphMinValue, f );
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m_graphMaxValue = max( m_graphMaxValue, f );
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}
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}
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}
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//-----------------------------------------------------------------------------
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// input methods
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//-----------------------------------------------------------------------------
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void CChannelGraphPanel::OnSizeChanged( int newWide, int newTall ) // called after the size of a panel has been changed
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{
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int wide = newWide - m_nGraphOriginX;
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int tall = newTall - m_nGraphOriginY;
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m_flTimeToPixel = wide / ( m_graphMaxTime - m_graphMinTime ).GetSeconds();
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m_flValueToPixel = tall / ( m_graphMaxValue - m_graphMinValue );
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}
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void CChannelGraphPanel::OnMousePressed( MouseCode code )
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{
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BaseClass::OnMousePressed( code );
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if ( code != MOUSE_LEFT )
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return;
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vgui::input()->GetCursorPos( m_nMouseStartX, m_nMouseStartY );
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ScreenToLocal( m_nMouseStartX, m_nMouseStartY );
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m_nMouseLastX = m_nMouseStartX;
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m_nMouseLastY = m_nMouseStartY;
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input()->SetMouseCapture( GetVPanel() );
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}
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void CChannelGraphPanel::OnMouseReleased( MouseCode code )
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{
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BaseClass::OnMouseReleased( code );
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if ( code != MOUSE_LEFT )
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return;
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m_nMouseStartX = m_nMouseStartY = -1;
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m_nMouseLastX = m_nMouseLastY = -1;
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input()->SetMouseCapture( NULL );
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}
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void CChannelGraphPanel::OnCursorMoved( int mx, int my )
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{
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BaseClass::OnCursorMoved( mx, my );
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if ( !vgui::input()->IsMouseDown( MOUSE_LEFT ) )
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return;
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bool bInValueLegend = m_nMouseStartX < m_nGraphOriginX;
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bool bInTimeLegend = m_nMouseStartY > GetTall() - m_nGraphOriginY - 1;
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if ( bInTimeLegend && bInValueLegend )
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{
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bInTimeLegend = bInValueLegend = false;
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}
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int dx = mx - m_nMouseLastX;
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int dy = my - m_nMouseLastY;
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if ( bInTimeLegend )
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{
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if ( abs( dy ) > abs( dx ) )
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{
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m_graphMinTime -= DmeTime_t( dy / m_flTimeToPixel );
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m_graphMaxTime += DmeTime_t( dy / m_flTimeToPixel );
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m_flTimeToPixel = ( GetWide() - m_nGraphOriginX ) / ( m_graphMaxTime - m_graphMinTime ).GetSeconds();
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int x = mx = m_nMouseLastX;
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int y = my = m_nMouseLastY;
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LocalToScreen( x, y );
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vgui::input()->SetCursorPos( x, y );
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}
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else
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{
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m_graphMinTime -= DmeTime_t( dx / m_flTimeToPixel );
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m_graphMaxTime -= DmeTime_t( dx / m_flTimeToPixel );
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}
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}
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else if ( bInValueLegend )
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{
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if ( abs( dx ) > abs( dy ) )
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{
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m_graphMinValue += dx / m_flValueToPixel;
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m_graphMaxValue -= dx / m_flValueToPixel;
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m_flValueToPixel = ( GetTall() - m_nGraphOriginY ) / ( m_graphMaxValue - m_graphMinValue );
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int x = mx = m_nMouseLastX;
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int y = my = m_nMouseLastY;
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LocalToScreen( x, y );
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vgui::input()->SetCursorPos( x, y );
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}
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else
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{
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m_graphMinValue += dy / m_flValueToPixel;
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m_graphMaxValue += dy / m_flValueToPixel;
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}
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}
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m_nMouseLastX = mx;
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m_nMouseLastY = my;
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}
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void CChannelGraphPanel::OnMouseWheeled( int delta )
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{
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// TODO - zoom in around current time?
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}
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//-----------------------------------------------------------------------------
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// Purpose: lays out the graph
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//-----------------------------------------------------------------------------
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void CChannelGraphPanel::PerformLayout()
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{
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BaseClass::PerformLayout();
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}
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float GetDisplayIncrement( int windowpixels, int fontpixels, float valuerange, int *pDecimalPlaces = NULL )
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{
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float ratio = valuerange * fontpixels / ( windowpixels );
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int nPower = ( int )ceil( log10( ratio ) );
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if ( pDecimalPlaces )
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{
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*pDecimalPlaces = max( 0, -nPower );
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}
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return pow( 10.0f, nPower );
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}
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int CChannelGraphPanel::TimeToPixel( DmeTime_t time )
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{
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return m_nGraphOriginX + ( int )floor( m_flTimeToPixel * ( time - m_graphMinTime ).GetSeconds() + 0.5f );
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}
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int CChannelGraphPanel::ValueToPixel( float flValue )
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{
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return m_nGraphOriginY + ( int )floor( m_flValueToPixel * ( flValue - m_graphMinValue ) + 0.5f );
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}
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//-----------------------------------------------------------------------------
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// Purpose: draws the graph
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//-----------------------------------------------------------------------------
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void CChannelGraphPanel::Paint()
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{
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// estimate the size of the graph marker text
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int wide = GetWide() - m_nGraphOriginX;
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int tall = GetTall() - m_nGraphOriginY;
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int textwidth = 40, textheight = 10;
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surface()->GetTextSize( m_font, L"999.9", textwidth, textheight );
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// draw current time marker
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DmeTime_t curtime = m_hChannel->GetCurrentTime();
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if ( curtime >= m_graphMinTime && curtime <= m_graphMaxTime )
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{
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Color cyan( 0, 255, 255, 255 );
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surface()->DrawSetColor( cyan );
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int x = TimeToPixel( curtime );
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surface()->DrawLine( x, 0, x, GetTall() - m_nGraphOriginY - 1 );
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}
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// draw left/bottom graph border
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Color black( 0, 0, 0, 255 );
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surface()->DrawSetColor( black );
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surface()->DrawLine( m_nGraphOriginX, GetTall() - m_nGraphOriginY - 1, GetWide(), GetTall() - m_nGraphOriginY - 1 );
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surface()->DrawLine( m_nGraphOriginX, GetTall() - m_nGraphOriginY - 1, m_nGraphOriginX, 0 );
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surface()->DrawSetTextColor( black );
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surface()->DrawSetTextFont( m_font );
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// draw graph tickmarks and values along the left border
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int nDecimalPlaces = 0;
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float flValueIncrement = GetDisplayIncrement( tall, ( int )( 1.5f * textheight ), m_graphMaxValue - m_graphMinValue, &nDecimalPlaces );
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int nMinValueIndex = ( int )ceil ( m_graphMinValue / flValueIncrement );
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int nMaxValueIndex = ( int )floor( m_graphMaxValue / flValueIncrement );
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float flValue = nMinValueIndex * flValueIncrement;
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for ( int i = nMinValueIndex; i <= nMaxValueIndex; ++i, flValue += flValueIncrement )
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{
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wchar_t pFormat[ 32 ];
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V_swprintf_safe( pFormat, L"%%.%df", nDecimalPlaces );
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wchar_t wstring[ 32 ];
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V_swprintf_safe( wstring, pFormat, flValue );
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int tw = 0, th = 0;
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surface()->GetTextSize( m_font, wstring, tw, th );
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int y = GetTall() - ValueToPixel( flValue ) - 1;
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surface()->DrawSetTextPos( m_nGraphOriginX - m_nTextBorder - tw, y - textheight / 2 );
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surface()->DrawPrintText( wstring, wcslen( wstring ) );
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surface()->DrawLine( m_nGraphOriginX - m_nTextBorder, y, m_nGraphOriginX, y );
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}
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// draw graph tickmarks and times along the bottom border
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float flTimeIncrement = GetDisplayIncrement( wide, textwidth, ( m_graphMaxTime - m_graphMinTime ).GetSeconds(), &nDecimalPlaces );
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int nMinTimeIndex = ( int )ceil ( m_graphMinTime.GetSeconds() / flTimeIncrement );
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int nMaxTimeIndex = ( int )floor( m_graphMaxTime.GetSeconds() / flTimeIncrement );
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float flTime = nMinTimeIndex * flTimeIncrement;
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for ( int i = nMinTimeIndex; i <= nMaxTimeIndex; ++i, flTime += flTimeIncrement )
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{
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wchar_t pFormat[ 32 ];
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V_swprintf_safe( pFormat, L"%%.%df", nDecimalPlaces );
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wchar_t wstring[ 32 ];
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V_swprintf_safe( wstring, pFormat, flTime );
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int tw = 0, th = 0;
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surface()->GetTextSize( m_font, wstring, tw, th );
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int x = TimeToPixel( DmeTime_t( flTime ) );
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surface()->DrawSetTextPos( x - tw / 2, GetTall() - m_nGraphOriginY + m_nTextBorder - 1 );
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surface()->DrawPrintText( wstring, wcslen( wstring ) );
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surface()->DrawLine( x, GetTall() - m_nGraphOriginY + m_nTextBorder - 1, x, GetTall() - m_nGraphOriginY - 1 );
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}
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static Color s_componentColors[] =
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{
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Color( 255, 0, 0, 255 ),
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Color( 0, 255, 0, 255 ),
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Color( 0, 0, 255, 255 ),
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Color( 0, 0, 0, 255 ),
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};
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CDmeLog *pLog = m_hChannel->GetLog();
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int nComponents = NumComponents( pLog->GetDataType() );
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int nKeys = pLog->GetKeyCount();
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// draw plotted graph
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for ( int i = 0; i < nComponents; ++i )
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{
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Color &color = s_componentColors[ i % ARRAYSIZE( s_componentColors ) ];
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surface()->DrawSetColor( color );
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int lastx = -1;
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int lasty = -1;
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for ( int k = 0; k < nKeys; ++k )
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{
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DmeTime_t t = pLog->GetKeyTime( k );
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float f = pLog->GetComponent( t, i );
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int x = TimeToPixel( t );
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int y = GetTall() - ValueToPixel( f ) - 1;
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if ( k )
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{
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surface()->DrawLine( lastx, lasty, x, y );
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}
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lastx = x;
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lasty = y;
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: sets up colors
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//-----------------------------------------------------------------------------
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void CChannelGraphPanel::ApplySchemeSettings(IScheme *pScheme)
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{
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BaseClass::ApplySchemeSettings(pScheme);
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m_font = pScheme->GetFont( "DefaultVerySmall" );
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surface()->GetTextSize( m_font, L"999.9", m_nGraphOriginX, m_nGraphOriginY );
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m_nGraphOriginX += 2 * m_nTextBorder;
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m_nGraphOriginY += 2 * m_nTextBorder;
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SetFgColor(GetSchemeColor("CChannelGraphPanel.FgColor", pScheme));
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SetBgColor(GetSchemeColor("CChannelGraphPanel.BgColor", pScheme));
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SetBorder(pScheme->GetBorder("ButtonDepressedBorder"));
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}
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//-----------------------------------------------------------------------------
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//
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// CChannelGraphFrame methods
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//
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//-----------------------------------------------------------------------------
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CChannelGraphFrame::CChannelGraphFrame( Panel *parent, const char *pTitle )
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: BaseClass( parent, "CChannelGraphFrame" )
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{
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SetTitle( pTitle, true );
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SetSizeable( true );
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SetCloseButtonVisible( true );
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SetMinimumSize( 200, 100 );
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SetVisible( true );
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SetSize( 400, 200 );
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SetPos( 100, 100 );
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m_pChannelGraph = new CChannelGraphPanel( this, "ChannelGraph" );
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SetScheme( vgui::scheme()->LoadSchemeFromFile( "Resource/BoxRocket.res", "BoxRocket" ) );
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}
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void CChannelGraphFrame::SetChannel( CDmeChannel *pChannel )
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{
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m_pChannelGraph->SetChannel( pChannel );
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}
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void CChannelGraphFrame::OnCommand( const char *cmd )
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{
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BaseClass::OnCommand( cmd );
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m_pChannelGraph->OnCommand( cmd );
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}
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void CChannelGraphFrame::PerformLayout()
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{
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BaseClass::PerformLayout();
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int border = 5;
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int iWidth, iHeight;
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GetSize( iWidth, iHeight );
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m_pChannelGraph->SetPos( border, GetCaptionHeight() + border );
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m_pChannelGraph->SetSize( iWidth - 2 * border, iHeight - GetCaptionHeight() - 2 * border );
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}
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