Egalware/EgtInterface
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4b52489cf88de2e8a2a027110323252dcd3d5f6c
EgtInterface/API_Scene.cpp
T
Dario Sassi 4b52489cf8 EgtInterface 1.5j5 : 
- aggiunte funzioni di trasformazione elementi geometrici base (Point, Vector, Frame).
2014-10-20 14:02:10 +00:00

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//----------------------------------------------------------------------------
// EgalTech 2014-2014
//----------------------------------------------------------------------------
// File : API_Scene.cpp Data : 01.09.14 Versione : 1.5i1
// Contenuto : Funzioni Scene per API.
//
//
//
// Modifiche : 01.09.14 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------
//--------------------------- Include ----------------------------------------
#include "stdafx.h"
#include "API.h"
#include "API_Macro.h"
#include "/EgtDev/Include/EInAPI.h"
#include "/EgtDev/Include/EgtPointerOwner.h"
using namespace std ;
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtInitScene( HWND hWnd, int nDriver, int b2Buff, int nColorBits, int nDepthBits)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX( pGseCtx, FALSE)
// inizializzazione scena OpenGL
PtrOwner<IEGrScene> pScene( CreateEGrScene()) ;
VERIFY_NULL( Get( pScene), "Error in CreateEGrScene", FALSE)
HDC hdc = GetDC( hWnd) ;
if ( ! pScene->CreateContext( hdc, nDriver, ( b2Buff != 0), nColorBits, nDepthBits))
return FALSE ;
pScene->SetBackground( WHITE, WHITE) ;
pScene->SetShowMode( SM_SHADING) ;
pScene->SetShowCurveDirection( false) ;
pScene->SetCamera( CT_TOP) ;
pScene->ZoomAll() ;
pScene->SetWinRectAttribs( true, BLACK) ;
pScene->SetMark( YELLOW) ;
pScene->Init( pGseCtx->m_pGeomDB) ;
// assegno la scena al contesto
pGseCtx->m_hWnd = hWnd ;
pGseCtx->m_pScene = Release( pScene) ;
// log con info sulla scena
string sSceneInfo = pGseCtx->m_pScene->GetOpenGLInfo() + '\n' +
pGseCtx->m_pScene->GetGLSLInfo() + '\n' +
pGseCtx->m_pScene->GetPixelFormatInfo() ;
LOG_INFO( GetLogger(), sSceneInfo.c_str())
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtSetBackground( int nTopRed, int nTopGreen, int nTopBlue,
int nBottomRed, int nBottomGreen, int nBottomBlue, BOOL bRedraw)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// imposto lo sfondo
pGseCtx->m_pScene->SetBackground( Color( nTopRed, nTopGreen, nTopBlue),
Color( nBottomRed, nBottomGreen, nBottomBlue)) ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtSetMarkAttribs( int nRed, int nGreen, int nBlue)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// imposto il colore del Mark
Color MKcol( nRed, nGreen, nBlue) ;
return ( pGseCtx->m_pScene->SetMark( MKcol) ? TRUE : FALSE) ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtSetGeoLineAttribs( int nRed, int nGreen, int nBlue)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// imposto il colore della linea geometrica gestita direttamente dalla scena
Color Glcol( nRed, nGreen, nBlue) ;
return ( pGseCtx->m_pScene->SetGeoLineAttribs( Glcol) ? TRUE : FALSE) ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtSetWinRectAttribs( BOOL bOutline, int nRed, int nGreen, int nBlue, int nAlpha)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// imposto il colore della linea geometrica gestita direttamente dalla scena
Color WRcol( nRed, nGreen, nBlue, nAlpha) ;
return ( pGseCtx->m_pScene->SetWinRectAttribs( ( bOutline != FALSE), WRcol) ? TRUE : FALSE) ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtResize( int nW, int nH)
{
IEGrScene* pScene = GetCurrScene() ;
VERIFY_SCENE( pScene, FALSE)
// eseguo resize
pScene->Resize( nW, nH) ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtDraw( void)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// eseguo disegno
pGseCtx->m_pScene->Draw() ;
// valido la finestra disegnata
ValidateRgn( pGseCtx->m_hWnd, NULL) ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtSelect( int nWinX, int nWinY, int nSelW, int nSelH, int* pnSel)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// eseguo la selezione
return ( pGseCtx->m_pScene->Select( Point3d( nWinX, nWinY), nSelW, nSelH, *pnSel) ? TRUE : FALSE) ;
}
//-----------------------------------------------------------------------------
int
__stdcall EgtGetFirstSelectedObj( void)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// restituisco il primo oggetto selezionato
return pGseCtx->m_pScene->GetFirstSelectedObj() ;
}
//-----------------------------------------------------------------------------
int
__stdcall EgtGetNextSelectedObj( void)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// restituisco il successivo oggetto selezionato
return pGseCtx->m_pScene->GetNextSelectedObj() ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtGetSelectedSnapPoint( int nSnap, int nWinX, int nWinY, int nSelW, int nSelH,
double ptP[3])
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// trovo il punto snap da selezione
Point3d ptSnap ;
if ( ! pGseCtx->m_pScene->GetSelectedSnapPoint( nSnap, Point3d( nWinX, nWinY), nSelW, nSelH, ptSnap))
return FALSE ;
ptP[0] = ptSnap.x ;
ptP[1] = ptSnap.y ;
ptP[2] = ptSnap.z ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtSetShowMode( int nShowMode, BOOL bRedraw)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// imposto il modo di visualizzazione
if ( nShowMode >= SM_WIREFRAME && nShowMode <= SM_SHADING) {
pGseCtx->m_pScene->SetShowMode( nShowMode) ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
}
else
return FALSE ;
}
//-----------------------------------------------------------------------------
int
__stdcall EgtGetShowMode( void)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// recupero il modo di visualizzazione
return pGseCtx->m_pScene->GetShowMode() ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtSetShowCurveDirection( BOOL bShow, BOOL bRedraw)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// imposto stato
pGseCtx->m_pScene->SetShowCurveDirection( bShow != FALSE) ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtGetShowCurveDirection( void)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// recupero lo stato
return pGseCtx->m_pScene->GetShowCurveDirection() ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtZoom( int nZoom, BOOL bRedraw)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
const double COEFF_IN = 0.9 ;
const double COEFF_OUT = 1 / COEFF_IN ;
switch ( nZoom) {
case 1 :
pGseCtx->m_pScene->ZoomAll() ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
break ;
case 2 :
pGseCtx->m_pScene->ZoomChange( COEFF_IN) ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
break ;
case 3 :
pGseCtx->m_pScene->ZoomChange( COEFF_OUT) ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
break ;
}
return FALSE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtZoomOnPoint( int nWinX, int nWinY, double dCoeff, BOOL bRedraw)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// eseguo zoom
pGseCtx->m_pScene->ZoomOnPoint( Point3d( nWinX, nWinY), dCoeff) ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtSetGeoLine( const double ptP1[3], const double ptP2[3], BOOL bRedraw)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// disegno linea per distanza o similari
pGseCtx->m_pScene->SetGeoLine( ptP1, ptP2) ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtResetGeoLine( BOOL bRedraw)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// cancello linea per distanza o similari
pGseCtx->m_pScene->ResetGeoLine() ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtSetWinRect( int nPrevX, int nPrevY, int nCurrX, int nCurrY, BOOL bRedraw)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// disegno finestra per zoom
pGseCtx->m_pScene->SetWinRect( Point3d( nPrevX, nPrevY), Point3d( nCurrX, nCurrY)) ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtResetWinRect( BOOL bRedraw)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// cancello finestra per zoom
pGseCtx->m_pScene->ResetWinRect() ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtZoomWin( int nPrevX, int nPrevY, int nCurrX, int nCurrY, BOOL bRedraw)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// eseguo zoom su finestra
pGseCtx->m_pScene->ZoomWin( Point3d( nPrevX, nPrevY), Point3d( nCurrX, nCurrY)) ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtSetView( int nView, BOOL bRedraw)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// imposto vista
if ( nView >= CT_TOP && nView <= CT_ISO_NW) {
pGseCtx->m_pScene->SetCamera( nView) ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
}
else
return FALSE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtSetGenericView( double dAngVertDeg, double dAngHorizDeg, BOOL bRedraw)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// imposto vista
pGseCtx->m_pScene->SetCamera( dAngVertDeg, dAngHorizDeg, 0) ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtSetViewCenter( const double ptP[3], BOOL bRedraw)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// imposto vista
pGseCtx->m_pScene->SetCenter( ptP) ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtPanCamera( int nPrevX, int nPrevY, int nCurrX, int nCurrY, BOOL bRedraw)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// eseguo panoramica
pGseCtx->m_pScene->PanCamera( Point3d( nPrevX, nPrevY), Point3d( nCurrX, nCurrY)) ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtRotateCamera( int nPrevX, int nPrevY, int nCurrX, int nCurrY, BOOL bRedraw)
{
GseContext* pGseCtx = GetCurrGseContext() ;
VERIFY_CTX_SCENE( pGseCtx, FALSE)
// eseguo rotazione camera
pGseCtx->m_pScene->RotateCamera( Point3d( nPrevX, nPrevY), Point3d( nCurrX, nCurrY)) ;
if ( bRedraw)
pGseCtx->m_pScene->RedrawWindow() ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtGetCameraDir( int* pnDir)
{
IEGrScene* pScene = GetCurrScene() ;
VERIFY_SCENE( pScene, FALSE)
// recupero direzione di vista
if ( pnDir == nullptr)
return FALSE ;
*pnDir = pScene->GetCameraDir() ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtUnProjectPoint( int nWinX, int nWinY, double ptP[3])
{
IEGrScene* pScene = GetCurrScene() ;
VERIFY_SCENE( pScene, FALSE)
// eseguo l'inverso della proiezione (considero Z punto su centro)
Point3d ptView( nWinX, nWinY, pScene->GetProjectedCenter().z) ;
Point3d ptWorld ;
if ( ! pScene->UnProject( ptView, ptWorld))
return FALSE ;
ptP[0] = ptWorld.x ;
ptP[1] = ptWorld.y ;
ptP[2] = ptWorld.z ;
return TRUE ;
}
//-----------------------------------------------------------------------------
BOOL
__stdcall EgtProjectPoint( const double ptP[3], double ptWin[3])
{
IEGrScene* pScene = GetCurrScene() ;
VERIFY_SCENE( pScene, FALSE)
// eseguo la proiezione
Point3d ptView ;
if ( ! pScene->Project( ptP, ptView))
return FALSE ;
ptWin[0] = ptView.x ;
ptWin[1] = ptView.y ;
ptWin[2] = ptView.z ;
return TRUE ;
}
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