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//////////////////////////
///// command_ps.cc /////
//////////////////////////
#include "command.h"
#include "message.h"
//----- display string
void Command::drawString_PS( PostScript& ps, char* string , double x , double y )
{
ps.drawString( string, x, y );
}
//----- Command::drawLine_PS()
void
Command::drawLine_PS( PostScript& ps ,
HidLine& hidline ,
double blank_scale )
{
//----- local
int i , j ;
int num_visible_lineseg = hidline.getNumVisibleLineSegment() ;
int numIntersection2D ;
double t ;
double half_width_vp ;
double blank_length_vp, half_blank_length_vp ;
Intersection2D intersection2D ;
Vector2 begin2D , end2D ;
Vector2 P, Q , Q_tmp ;
Vector2 tangent, tangent_rev ;
LineType* linetype_p ;
double t_P, t_Q ;
Vector2 P_tranc, Q_tranc ;
Vector2 P_bak ;
//----- no lineseg to be drawn?
if ( num_visible_lineseg == 0 ) {
return ;
}
//----- draw linesegments
for( i = 0 ; i < num_visible_lineseg ; i++ ) {
//----- begin & end of linesegment
begin2D = hidline.getBegin2DVisible(i) ;
end2D = hidline.getEnd2DVisible(i) ;
//----- direction of linesegment
tangent = end2D - begin2D ;
tangent = tangent.normalize();
tangent_rev = (-1.0) * tangent ;
//----- linetype of i-th linesegment
linetype_p = &(hidline.getLineTypeVisible(i) );
//----- number of intersected lineseg on screen
numIntersection2D = hidline.getNumIntersection2DVisible(i) ;
//----- draw linesegment
if( numIntersection2D == 0 ) {
//----- draw whole part of linesegment
ps.drawLineSegment_vp( begin2D, end2D ,
linetype_p );
} else {
//----- draw each visible part of linesegment
P = begin2D ; // starting point of first sub lineseg
for( j = 0 ; j < numIntersection2D ;j++ ) {
//----- backup P
P_bak = P ;
//----- get line parameter for intersection point
hidline.getIntersection2DVisible(i, j , &intersection2D) ;
t = intersection2D.lineParameter ;
//----- calc blank_length in viewport coordinate
half_width_vp = 0.5 * (intersection2D.width) * ( ps.getVpOverMm() );
half_blank_length_vp = blank_scale * ( ps.getVpOverMm() ) \
+ half_width_vp ;
blank_length_vp = 2.0 * half_blank_length_vp ;
//----- get end point of current sub linesegment
Q_tmp = Tool2D::getPositionOnLine( begin2D, end2D, t ) ;
Q = Tool2D::getPosition( Q_tmp, half_blank_length_vp , tangent_rev ) ;
//----- trancated P and Q
t_P = Tool2D::getLineParameter( P, begin2D, end2D ) ;
if ( t_P < 0.0 ) { P_tranc = begin2D ; }
else if ( t_P > 1.0 ) { P_tranc = end2D ; }
else { P_tranc = P ; }
t_Q = Tool2D::getLineParameter( Q, begin2D, end2D ) ;
if ( t_Q < 0.0 ) { Q_tranc = begin2D ; }
else if ( t_Q > 1.0 ) { Q_tranc = end2D ; }
else { Q_tranc = Q ; }
if( t_P < t_Q ) {
//----- draw current sub linesegment
ps.drawLineSegment_vp( P_tranc , Q_tranc, linetype_p ) ;
//----- get starting point of next sub linesegment
P = Tool2D::getPosition( Q, blank_length_vp , tangent );
} else {
//----- get starting point of next sub linesegment
P = Tool2D::getPosition( Q, blank_length_vp , tangent );
}
} // for(j)
//----- trancated P
t_P = Tool2D::getLineParameter( P, begin2D, end2D ) ;
if ( t_P < 0.0 ) { P_tranc = begin2D ; }
else if ( t_P > 1.0 ) { P_tranc = end2D ; }
else { P_tranc = P ; }
ps.drawLineSegment_vp( P_tranc , end2D, linetype_p ) ;
} // if--else
} // for(i)
} // Command::drawLine_PS()
//----- Command::draw_Hid_PS()
void
Command::draw_Hid_PS( const Parameter& parameter ,
PostScript& ps ,
Hid& hid ,
List<Object>* object_server_p )
{
#if defined DISPLAY_LOG
//----- message
cerr << "-----------------------\n";
cerr << " Draw objects \n";
cerr << "-----------------------\n";
cerr<< endl << endl;
#endif
//----- local
int i ;
int npoly2d = hid.getNumPolygon2D();
Polygon2D poly2d ;
//-----
{
//----- fill polygons in polygon2d[]
if( parameter.drawing_mode != HID2 ) // not line drawing mode
{
//----- fill polygons
for ( i = (npoly2d-1) ; i >= 0 ; i-- )
{
poly2d = hid[i] ;
ps.drawfillPolygon_vp( poly2d.vertex2D , poly2d.numVertex, poly2d.color );
}
}
//----- draw edges of polygons
if( parameter.drawing_mode != HID2 )
{
if ( parameter.flag_draw_edge ) {
for ( i = (npoly2d-1) ; i >= 0 ; i-- )
{
poly2d = hid[i] ;
ps.drawPolygon_vp( poly2d.vertex2D , poly2d.numVertex, poly2d.edgeType );
}
}
else { // NO-EDGE
// line drawing mode (HID2)
for ( i = (npoly2d-1) ; i >= 0 ; i-- )
{
//----- current 2D polygon
poly2d = hid[i] ;
//----- local
int num_vertex = poly2d.getNumVertex() ;
LineType* linetype_array_tmp = new LineType [ num_vertex ];
ColorType* color_p = poly2d.getColor();
//----- reset edge color
for( int j = 0 ; j < num_vertex ; j++ ) {
linetype_array_tmp[j].setStyle(FR_LINE_SOLID);
linetype_array_tmp[j].setColor( *color_p );
}
//-----
ps.drawPolygon_vp( poly2d.vertex2D , num_vertex, linetype_array_tmp );
//----- delete
delete [] linetype_array_tmp ;
}
}
}
} else {
// line drawing mode (HID2)
for ( i = (npoly2d-1) ; i >= 0 ; i-- )
{
//----- current 2D polygon
poly2d = hid[i] ;
//----- local
int num_vertex = poly2d.getNumVertex() ;
LineType* linetype_array_tmp = new LineType [ num_vertex ];
ColorType color = ((*object_server_p)[ poly2d.getObjectLabel() ]).getKd();
//----- if white, black
color.whiteToBlack();
//----- reset edge color
for( int j = 0 ; j < num_vertex ; j++ ) {
linetype_array_tmp[j] = *(poly2d.edgeType[j]);
if ( linetype_array_tmp[j].getVisibility() ) {
linetype_array_tmp[j].setColor( color );
}
}
//-----
ps.drawPolygon_vp( poly2d.vertex2D , num_vertex, linetype_array_tmp );
//----- delete
delete [] linetype_array_tmp ;
}
} // else
}
} // Command::draw_Hid_PS()
//----- Command::drawFrame_PS()
void Command::drawFrame_PS( PostScript& ps , LineType linetype )
{
ps.drawClippingBox( &linetype );
}
//----- Command::preview_PS
int Command::preview_PS( char* previewer, char* psfile )
{
//---------- invoke previewer (dafault is ghostscript)
//----- local
char invoke_previewer[256] ;
int status ;
//----- no preview
if( previewer == NULL ) {
status = 0 ;
} else {
//----- make command preview
strcpy( invoke_previewer, previewer) ;
strcat( invoke_previewer, " ") ;
strcat( invoke_previewer, psfile ) ;
#if defined DISPLAY_LOG
cerr<< "-----------------------------\n";
cerr << " " << invoke_previewer << endl;
cerr<< "-----------------------------\n";
cerr<< endl << endl;
#endif
//----- invoke previewer
status = system( invoke_previewer );
}
//----- return status
return status ;
} // Command::preview_PS()
//----- Command::displayParameter_PS()
void Command::displayParameter_PS( PostScript& ps,
Perspective& camera ,
double epsilon2d ,
double epsilon3d )
{
//----- local
double vskip = 6.0 ;
double X0 = 100.0, Y0 = 70.0;
double Y = Y0 ;
Vector3 target = camera.getTarget();
//----- draw
ps.drawStringAndDoubleValue("O.x = ", target.x, X0, Y);
Y -= vskip ;
ps.drawStringAndDoubleValue("O.y = ", target.y, X0, Y);
Y -= vskip ;
ps.drawStringAndDoubleValue("O.z = ", target.z, X0, Y);
Y -= vskip ;
ps.drawStringAndDoubleValue("camera_d = ", camera.getRho(), X0, Y);
Y -= vskip ;
ps.drawStringAndDoubleValue("polar = ", camera.getPhi(), X0, Y);
Y -= vskip ;
ps.drawStringAndDoubleValue("azimuthal= ", camera.getTheta(),X0, Y);
Y -= vskip ;
ps.drawStringAndDoubleValue("focal_d = ", camera.getFocalDistance(), X0, Y);
Y -= vskip ;
ps.drawStringAndDoubleValue("e_2d = ", epsilon2d, X0, Y);
Y -= vskip ;
ps.drawStringAndDoubleValue("e_3d = ", epsilon3d, X0, Y);
Y -= vskip ;
} // Command::displayParameter_PS()
//----- Command::close_PS()
void Command::close_PS( Parameter& parameter, PostScript& ps )
{
#if defined DISPLAY_LOG
//----- message
cerr<< "-----------------------------\n";
cerr << " " << parameter.ps_file << " created " << endl;
cerr<< "-----------------------------\n";
cerr<< endl << endl;
#else
Parameter dummy ; dummy = parameter; dummy = Parameter();
#endif
//----- Add "showpage"
if( parameter.flag_add_showpage )
{
ps.output("showpage\n") ;
}
//----- close PS file
if( ps.isOpen() ) { ps.close(); }
}// Command::close_PS( Parameter& parameter, PostScript& ps )
//----- Command::drawVisiblePartOfLineSegment_PS()
void
Command::drawVisiblePartOfLineSegment_PS ( const Vector3& A ,
const Vector3& B ,
const LineType& linetype ,
Hid& hid ,
PostScript& ps ,
const Parameter& parameter )
{
//----- local
LineSegment lineseg( A, B, linetype ) ;
HidLine hidline ;
Perspective* camera_p = hid.getCamera();
//----- set imame data of linesegment
lineseg.setImage( camera_p , parameter.epsilon3d );
//----- make hidline ready to use
hidline.addItem_lineSegmentList( lineseg );
hidline.install();
hidline.setHid( &hid ); // reset hid
hidline.doHiddenPartElimination( parameter.epsilon3d ,
parameter.epsilon2d );
//----- draw
this->drawLine_PS( ps ,
hidline ,
parameter.blank_scale );
} // Command::drawVisiblePartOfLineSegment_PS ()
//----- Command::open_PS()
int
Command::open_PS( PostScript& ps , Parameter& parameter )
{
//----- local
int status ;
status = \
ps.open( parameter.ps_file ,
Vector2( parameter.viewport_center_x , parameter.viewport_center_y ) );
//----- display parameters
if( status ) {
//----- version of DAWN
char version[16] ;
strcpy( version, VERSION );
ps.comment("PARAMETERS:");
ps.comment("Generated by Fukui Renderer DAWN version ", version );
ps.comment("O.x = ", parameter.target_x );
ps.comment("O.y = ", parameter.target_y );
ps.comment("O.z = ", parameter.target_z );
ps.comment("camera_d = ", parameter.camera_distance );
ps.comment("v_angle = ", parameter.camera_v_angle );
ps.comment("h_angle = ", parameter.camera_h_angle );
ps.comment("focal_d = ", parameter.focal_distance );
ps.comment("e_2d = ", parameter.epsilon2d );
ps.comment("e_3d = ", parameter.epsilon3d );
ps.output("\n"); // null line
}
//----- return status
return status ;
} // Command::open_PS()
//----- Command::displayAxes_PS()
void Command::displayAxes_PS( PostScript& ps ,
Perspective& camera ,
const Parameter& parameter )
{
LineType redline ( ColorType( 1.0, 0.0, 0.0 ), 0.1 );
LineType greenline( ColorType( 0.0, 1.0, 0.0 ), 0.1 );
LineType blueline ( ColorType( 0.0, 0.0, 1.0 ), 0.1 );
double x = 2.0 * parameter.xmax ;
double y = 2.0 * parameter.ymax ;
double z = 2.0 * parameter.zmax ;
Vector3 O3d( 0.0 , 0.0, 0.0 );
Vector3 X3d( x , 0.0, 0.0 );
Vector3 Y3d( 0.0 , y , 0.0 );
Vector3 Z3d( 0.0 , 0.0, z );
Vector2 O2d, X2d, Y2d, Z2d ;
camera.worldToScreen( O3d, O2d, parameter.epsilon3d );
camera.worldToScreen( X3d, X2d, parameter.epsilon3d );
camera.worldToScreen( Y3d, Y2d, parameter.epsilon3d );
camera.worldToScreen( Z3d, Z2d, parameter.epsilon3d );
ps.drawLineSegment_vp( O2d, X2d , &redline );
ps.drawLineSegment_vp( O2d, Y2d , &greenline );
ps.drawLineSegment_vp( O2d, Z2d , &blueline );
} // Command::displayAxes_PS()
void
Command::fillCircle_PS( const Parameter& parameter ,
PostScript& ps ,
const Vector3& P ,
Perspective& camera ,
double R_mm ,
ColorType* color_p )
{
Vector2 P_vp ;
camera.worldToViewport( P, P_vp, parameter.epsilon3d ) ;
if( parameter.device_label == PS2 || parameter.device_label == XWIN2 ) {
ps.fillCircle_landscape_vp ( P_vp, R_mm, color_p );
} else {
ps.fillCircle_vp ( P_vp, R_mm, color_p );
}
}
void
Command::fillSquare_PS( const Parameter& parameter ,
PostScript& ps ,
const Vector3& P ,
Perspective& camera ,
double dL_mm ,
ColorType* color_p )
{
Vector2 P_vp ;
camera.worldToViewport( P, P_vp, parameter.epsilon3d ) ;
if( parameter.device_label == PS2 || parameter.device_label == XWIN2 ) {
ps.fillSquare_landscape_vp ( P_vp, dL_mm, color_p );
} else {
ps.fillSquare_vp ( P_vp, dL_mm, color_p );
}
}
void
Command::drawColoredString_vp_PS(const char* string ,
const ColorType& color ,
double size_vp ,
double offset_x_vp ,
double offset_y_vp ,
const Vector3& P ,
Perspective& camera ,
const Parameter& parameter ,
PostScript& ps )
{
//----- local
Vector2 P_vp ;
//----- viewport-coord position
camera.worldToViewport( P, P_vp, parameter.epsilon3d ) ;
//----- draw string
if( parameter.device_label == PS2 || \
parameter.device_label == XWIN2 )
{
ps.drawColoredString_landscape_vp ( string,
color ,
size_vp ,
offset_x_vp ,
offset_y_vp ,
P_vp.x,
P_vp.y ) ;
} else {
ps.drawColoredString_vp ( string,
color ,
size_vp ,
offset_x_vp ,
offset_y_vp ,
P_vp.x,
P_vp.y );
}
}
void
Command::drawColoredString_PS( const char* string ,
const ColorType& color ,
double size_pt ,
const Vector2& P_mm ,
PostScript& ps )
{
ps.setFontSize ( (int)(size_pt) ) ;
ps.drawColoredString( string,
P_mm.x, P_mm.y,
color );
}