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kicad/3d-viewer/3d_draw.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 1992-2012 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file 3d_draw.cpp
*/
#include <fctsys.h>
#include <common.h>
#include <trigo.h>
#include <pcbstruct.h>
#include <drawtxt.h>
#include <layers_id_colors_and_visibility.h>
#include <class_board.h>
#include <class_module.h>
#include <class_track.h>
#include <class_edge_mod.h>
#include <class_zone.h>
#include <class_drawsegment.h>
#include <class_pcb_text.h>
#include <colors_selection.h>
#include <convert_basic_shapes_to_polygon.h>
#include <3d_viewer.h>
#include <info3d_visu.h>
#include <trackball.h>
#include <3d_draw_basic_functions.h>
// Imported function:
extern void SetGLColor( int color );
extern void Set_Object_Data( std::vector< S3D_VERTEX >& aVertices, double aBiuTo3DUnits );
extern void CheckGLError();
/* returns true if aLayer should be displayed, false otherwise
*/
static bool Is3DLayerEnabled( int aLayer );
/* returns the Z orientation parmeter 1.0 or -1.0 for aLayer
* Z orientation is 1.0 for all layers but "back" layers:
* LAYER_N_BACK , ADHESIVE_N_BACK, SOLDERPASTE_N_BACK ), SILKSCREEN_N_BACK
* used to calculate the Z orientation parmeter for glNormal3f
*/
static GLfloat Get3DLayer_Z_Orientation( int aLayer );
void EDA_3D_CANVAS::Redraw( bool finish )
{
// SwapBuffer requires the window to be shown before calling
if( !IsShown() )
return;
SetCurrent( *m_glRC );
// Set the OpenGL viewport according to the client size of this canvas.
// This is done here rather than in a wxSizeEvent handler because our
// OpenGL rendering context (and thus viewport setting) is used with
// multiple canvases: If we updated the viewport in the wxSizeEvent
// handler, changing the size of one canvas causes a viewport setting that
// is wrong when next another canvas is repainted.
const wxSize ClientSize = GetClientSize();
// *MUST* be called *after* SetCurrent( ):
glViewport( 0, 0, ClientSize.x, ClientSize.y );
InitGL();
glMatrixMode( GL_MODELVIEW ); // position viewer
// transformations
GLfloat mat[4][4];
// Translate motion first, so rotations don't mess up the orientation...
glTranslatef( m_draw3dOffset.x, m_draw3dOffset.y, 0.0F );
build_rotmatrix( mat, g_Parm_3D_Visu.m_Quat );
glMultMatrixf( &mat[0][0] );
glRotatef( g_Parm_3D_Visu.m_Rot[0], 1.0, 0.0, 0.0 );
glRotatef( g_Parm_3D_Visu.m_Rot[1], 0.0, 1.0, 0.0 );
glRotatef( g_Parm_3D_Visu.m_Rot[2], 0.0, 0.0, 1.0 );
if( m_gllist )
{
glCallList( m_gllist );
}
else
{
CreateDrawGL_List();
}
glFlush();
if( finish )
glFinish();
SwapBuffers();
}
GLuint EDA_3D_CANVAS::CreateDrawGL_List()
{
PCB_BASE_FRAME* pcbframe = Parent()->Parent();
BOARD* pcb = pcbframe->GetBoard();
wxBusyCursor dummy;
m_gllist = glGenLists( 1 );
// Build 3D board parameters:
g_Parm_3D_Visu.InitSettings( pcb );
glNewList( m_gllist, GL_COMPILE_AND_EXECUTE );
glColorMaterial( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE );
// draw axis
if (g_Parm_3D_Visu.m_DrawFlags[g_Parm_3D_Visu.FL_AXIS])
{
glEnable( GL_COLOR_MATERIAL );
SetGLColor( WHITE );
glBegin( GL_LINES );
glNormal3f( 0.0f, 0.0f, 1.0f ); // Normal is Z axis
glVertex3f( 0.0f, 0.0f, 0.0f );
glVertex3f( 1.0f, 0.0f, 0.0f ); // X axis
glVertex3f( 0.0f, 0.0f, 0.0f );
glVertex3f( 0.0f, -1.0f, 0.0f ); // Y axis
glNormal3f( 1.0f, 0.0f, 0.0f ); // Normal is Y axis
glVertex3f( 0.0f, 0.0f, 0.0f );
glVertex3f( 0.0f, 0.0f, 0.3f ); // Z axis
glEnd();
}
// move the board in order to draw it with its center at 0,0 3D coordinates
glTranslatef( -g_Parm_3D_Visu.m_BoardPos.x * g_Parm_3D_Visu.m_BiuTo3Dunits,
-g_Parm_3D_Visu.m_BoardPos.y * g_Parm_3D_Visu.m_BiuTo3Dunits,
0.0F );
// draw tracks and vias :
for( TRACK* track = pcb->m_Track; track != NULL; track = track->Next() )
{
if( track->Type() == PCB_VIA_T )
Draw3D_Via( (SEGVIA*) track );
else
{
int layer = track->GetLayer();
if( g_Parm_3D_Visu.m_BoardSettings->IsLayerVisible( layer ) )
Draw3D_Track( track );
}
}
if (g_Parm_3D_Visu.m_DrawFlags[g_Parm_3D_Visu.FL_ZONE])
{
for( int ii = 0; ii < pcb->GetAreaCount(); ii++ )
{
int layer = pcb->GetArea( ii )->GetLayer();
if( g_Parm_3D_Visu.m_BoardSettings->IsLayerVisible( layer ) )
Draw3D_Zone( pcb->GetArea( ii ) );
}
}
// Draw epoxy limits: TODO
// draw graphic items
EDA_ITEM* PtStruct;
for( PtStruct = pcb->m_Drawings; PtStruct != NULL; PtStruct = PtStruct->Next() )
{
switch( PtStruct->Type() )
{
case PCB_LINE_T:
{
DRAWSEGMENT* segment = (DRAWSEGMENT*) PtStruct;
if( g_Parm_3D_Visu.m_BoardSettings->IsLayerVisible( segment->GetLayer() ) )
Draw3D_DrawSegment( segment );
}
break;
case PCB_TEXT_T:
{
TEXTE_PCB* text = (TEXTE_PCB*) PtStruct;
if( Is3DLayerEnabled( text->GetLayer() ) )
Draw3D_DrawText( text );
}
break;
default:
break;
}
}
// draw footprints
MODULE* Module = pcb->m_Modules;
for( ; Module != NULL; Module = Module->Next() )
Module->Draw3D( this );
// Draw grid
if( g_Parm_3D_Visu.m_DrawFlags[g_Parm_3D_Visu.FL_GRID] )
DrawGrid( g_Parm_3D_Visu.m_3D_Grid );
glEndList();
// Test for errors
CheckGLError();
return m_gllist;
}
/* Draw a zone (solid copper areas in aZone)
*/
void EDA_3D_CANVAS::Draw3D_Zone( ZONE_CONTAINER* aZone )
{
int layer = aZone->GetLayer();
int color = g_ColorsSettings.GetLayerColor( layer );
int thickness = g_Parm_3D_Visu.GetLayerObjectThicknessBIU( layer );
if( layer == LAST_COPPER_LAYER )
layer = g_Parm_3D_Visu.m_CopperLayersCount - 1;
int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU( layer );
SetGLColor( color );
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
if( aZone->m_FillMode == 0 )
{
// solid polygons only are used to fill areas
if( aZone->GetFilledPolysList().size() > 3 )
{
Draw3D_SolidHorizontalPolyPolygons( aZone->GetFilledPolysList(),
g_Parm_3D_Visu.GetLayerZcoordBIU( layer ),
thickness, g_Parm_3D_Visu.m_BiuTo3Dunits );
}
}
else
{
// segments are used to fill areas
for( unsigned iseg = 0; iseg < aZone->m_FillSegmList.size(); iseg++ )
Draw3D_SolidSegment( aZone->m_FillSegmList[iseg].m_Start,
aZone->m_FillSegmList[iseg].m_End,
aZone->m_ZoneMinThickness, thickness, zpos,
g_Parm_3D_Visu.m_BiuTo3Dunits );
}
// Draw copper area outlines
std::vector<CPolyPt> polysList = aZone->GetFilledPolysList();
if( polysList.size() == 0 )
return;
if( aZone->m_ZoneMinThickness <= 1 )
return;
int imax = polysList.size() - 1;
CPolyPt* firstcorner = &polysList[0];
CPolyPt* begincorner = firstcorner;
for( int ic = 1; ic <= imax; ic++ )
{
CPolyPt* endcorner = &polysList[ic];
if( begincorner->m_utility == 0 )
{
// Draw only basic outlines, not extra segments
wxPoint start( begincorner->x, begincorner->y );
wxPoint end( endcorner->x, endcorner->y );
Draw3D_SolidSegment( start, end,
aZone->m_ZoneMinThickness, thickness, zpos,
g_Parm_3D_Visu.m_BiuTo3Dunits );
}
if( (endcorner->end_contour) || (ic == imax) )
{
// the last corner of a filled area is found: draw it
if( endcorner->m_utility == 0 )
{
// Draw only basic outlines, not extra segments
wxPoint start( endcorner->x, endcorner->y );
wxPoint end( firstcorner->x, firstcorner->y );
Draw3D_SolidSegment( start, end,
aZone->m_ZoneMinThickness, thickness, zpos,
g_Parm_3D_Visu.m_BiuTo3Dunits );
}
ic++;
if( ic < imax - 1 )
begincorner = firstcorner = &polysList[ic];
}
else
{
begincorner = endcorner;
}
}
}
// draw a 3D grid: an horizontal grid (XY plane and Z = 0,
// and a vertical grid (XZ plane and Y = 0)
void EDA_3D_CANVAS::DrawGrid( double aGriSizeMM )
{
double zpos = 0.0;
int gridcolor = DARKGRAY; // Color of grid lines
int gridcolor_marker = LIGHTGRAY; // Color of grid lines every 5 lines
double scale = g_Parm_3D_Visu.m_BiuTo3Dunits;
glNormal3f( 0.0, 0.0, 1.0 );
wxSize brd_size = g_Parm_3D_Visu.m_BoardSize;
wxPoint brd_center_pos = g_Parm_3D_Visu.m_BoardPos;
NEGATE( brd_center_pos.y );
int xsize = std::max( brd_size.x, Millimeter2iu( 100 ) );
int ysize = std::max( brd_size.y, Millimeter2iu( 100 ) );
// Grid limits, in 3D units
double xmin = (brd_center_pos.x - xsize/2) * scale;
double xmax = (brd_center_pos.x + xsize/2) * scale;
double ymin = (brd_center_pos.y - ysize/2) * scale;
double ymax = (brd_center_pos.y + ysize/2) * scale;
double zmin = Millimeter2iu( -50 ) * scale;
double zmax = Millimeter2iu( 100 ) * scale;
// Draw horizontal grid centered on 3D origin (center of the board)
for( int ii = 0; ; ii++ )
{
if( (ii % 5) )
SetGLColor( gridcolor );
else
SetGLColor( gridcolor_marker );
int delta = KiROUND( ii * aGriSizeMM * IU_PER_MM );
if( delta <= xsize/2 ) // Draw grid lines parallel to X axis
{
glBegin(GL_LINES);
glVertex3f( (brd_center_pos.x + delta) * scale, -ymin, zpos );
glVertex3f( (brd_center_pos.x + delta) * scale, -ymax, zpos );
glEnd();
if( ii != 0 )
{
glBegin(GL_LINES);
glVertex3f( (brd_center_pos.x - delta) * scale, -ymin, zpos );
glVertex3f( (brd_center_pos.x - delta) * scale, -ymax, zpos );
glEnd();
}
}
if( delta <= ysize/2 ) // Draw grid lines parallel to Y axis
{
glBegin(GL_LINES);
glVertex3f( xmin, -(brd_center_pos.y + delta) * scale, zpos );
glVertex3f( xmax, -(brd_center_pos.y + delta) * scale, zpos );
glEnd();
if( ii != 0 )
{
glBegin(GL_LINES);
glVertex3f( xmin, -(brd_center_pos.y - delta) * scale, zpos );
glVertex3f( xmax, -(brd_center_pos.y - delta) * scale, zpos );
glEnd();
}
}
if( ( delta > ysize/2 ) && ( delta > xsize/2 ) )
break;
}
// Draw vertical grid n Z axis
glNormal3f( 0.0, -1.0, 0.0 );
// Draw vertical grid lines (parallel to Z axis)
for( int ii = 0; ; ii++ )
{
if( (ii % 5) )
SetGLColor( gridcolor );
else
SetGLColor( gridcolor_marker );
double delta = ii * aGriSizeMM * IU_PER_MM;
glBegin(GL_LINES);
glVertex3f( (brd_center_pos.x + delta) * scale, -brd_center_pos.y * scale, zmin );
glVertex3f( (brd_center_pos.x + delta) * scale, -brd_center_pos.y * scale, zmax );
glEnd();
if( ii != 0 )
{
glBegin(GL_LINES);
glVertex3f( (brd_center_pos.x - delta) * scale, -brd_center_pos.y * scale, zmin );
glVertex3f( (brd_center_pos.x - delta) * scale, -brd_center_pos.y * scale, zmax );
glEnd();
}
if( delta > xsize/2 )
break;
}
// Draw horizontal grid lines on Z axis
for( int ii = 0; ; ii++ )
{
if( (ii % 5) )
SetGLColor( gridcolor );
else
SetGLColor( gridcolor_marker );
double delta = ii * aGriSizeMM * IU_PER_MM * scale;
if( delta <= zmax )
{ // Draw grid lines on Z axis (positive Z axis coordinates)
glBegin(GL_LINES);
glVertex3f(xmin, -brd_center_pos.y * scale, delta);
glVertex3f(xmax, -brd_center_pos.y * scale, delta);
glEnd();
}
if( delta <= -zmin && ( ii != 0 ) )
{ // Draw grid lines on Z axis (negative Z axis coordinates)
glBegin(GL_LINES);
glVertex3f(xmin, -brd_center_pos.y * scale, -delta);
glVertex3f(xmax, -brd_center_pos.y * scale, -delta);
glEnd();
}
if( ( delta > zmax ) && ( delta > -zmin ) )
break;
}
}
void EDA_3D_CANVAS::Draw3D_Track( TRACK* aTrack )
{
int layer = aTrack->GetLayer();
int color = g_ColorsSettings.GetLayerColor( layer );
int thickness = g_Parm_3D_Visu.GetCopperThicknessBIU();
if( layer == LAST_COPPER_LAYER )
layer = g_Parm_3D_Visu.m_CopperLayersCount - 1;
int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU( layer );
SetGLColor( color );
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
Draw3D_SolidSegment( aTrack->m_Start, aTrack->m_End,
aTrack->m_Width, thickness, zpos,
g_Parm_3D_Visu.m_BiuTo3Dunits );
}
void EDA_3D_CANVAS::Draw3D_Via( SEGVIA* via )
{
int layer, top_layer, bottom_layer;
int color;
double biu_to_3Dunits = g_Parm_3D_Visu.m_BiuTo3Dunits ;
int outer_radius = via->m_Width / 2;
int inner_radius = via->GetDrillValue() / 2;
int thickness = g_Parm_3D_Visu.GetCopperThicknessBIU();
via->ReturnLayerPair( &top_layer, &bottom_layer );
// Drawing horizontal thick rings:
for( layer = bottom_layer; layer < g_Parm_3D_Visu.m_CopperLayersCount; layer++ )
{
int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU( layer );
if( layer < g_Parm_3D_Visu.m_CopperLayersCount - 1 )
{
if( g_Parm_3D_Visu.m_BoardSettings->IsLayerVisible( layer ) == false )
continue;
color = g_ColorsSettings.GetLayerColor( layer );
}
else
{
if( g_Parm_3D_Visu.m_BoardSettings->IsLayerVisible( LAYER_N_FRONT ) == false )
continue;
color = g_ColorsSettings.GetLayerColor( LAYER_N_FRONT );
}
SetGLColor( color );
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
Draw3D_ZaxisCylinder( via->m_Start, (outer_radius + inner_radius)/2,
thickness, outer_radius - inner_radius,
zpos, biu_to_3Dunits );
if( layer >= top_layer )
break;
}
// Drawing via hole:
color = g_ColorsSettings.GetItemColor( VIAS_VISIBLE + via->m_Shape );
SetGLColor( color );
int height = g_Parm_3D_Visu.GetLayerZcoordBIU(top_layer) -
g_Parm_3D_Visu.GetLayerZcoordBIU( bottom_layer );
int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU(bottom_layer) + thickness/2;
Draw3D_ZaxisCylinder( via->m_Start, inner_radius + thickness/2, height,
thickness, zpos, biu_to_3Dunits );
}
void EDA_3D_CANVAS::Draw3D_DrawSegment( DRAWSEGMENT* segment )
{
int layer = segment->GetLayer();
int color = g_ColorsSettings.GetLayerColor( layer );
int thickness = g_Parm_3D_Visu.GetLayerObjectThicknessBIU( layer );
SetGLColor( color );
if( layer == EDGE_N )
{
for( layer = 0; layer < g_Parm_3D_Visu.m_CopperLayersCount; layer++ )
{
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU(layer);
switch( segment->GetShape() )
{
case S_ARC:
Draw3D_ArcSegment( segment->GetCenter(), segment->GetArcStart(),
segment->GetAngle(), segment->GetWidth(), thickness,
zpos, g_Parm_3D_Visu.m_BiuTo3Dunits );
break;
case S_CIRCLE:
{
int radius = KiROUND( hypot( double(segment->GetStart().x - segment->GetEnd().x),
double(segment->GetStart().y - segment->GetEnd().y) )
);
Draw3D_ZaxisCylinder( segment->GetStart(), radius,
thickness, segment->GetWidth(),
zpos, g_Parm_3D_Visu.m_BiuTo3Dunits );
}
break;
default:
Draw3D_SolidSegment( segment->GetStart(), segment->GetEnd(),
segment->GetWidth(), thickness,
zpos, g_Parm_3D_Visu.m_BiuTo3Dunits );
break;
}
}
}
else
{
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU(layer);
if( Is3DLayerEnabled( layer ) )
{
switch( segment->GetShape() )
{
case S_ARC:
Draw3D_ArcSegment( segment->GetCenter(), segment->GetArcStart(),
segment->GetAngle(), segment->GetWidth(), thickness,
zpos, g_Parm_3D_Visu.m_BiuTo3Dunits );
break;
case S_CIRCLE:
{
int radius = KiROUND( hypot( double(segment->GetStart().x - segment->GetEnd().x),
double(segment->GetStart().y - segment->GetEnd().y) )
);
Draw3D_ZaxisCylinder( segment->GetStart(), radius,
thickness, segment->GetWidth(),
zpos, g_Parm_3D_Visu.m_BiuTo3Dunits );
}
break;
default:
Draw3D_SolidSegment( segment->GetStart(), segment->GetEnd(),
segment->GetWidth(), thickness,
zpos, g_Parm_3D_Visu.m_BiuTo3Dunits );
break;
}
}
}
}
// These variables are used in Draw3dTextSegm.
// But Draw3dTextSegm is a call back function, so we cannot send them as arguments,
// so they are static.
int s_Text3DWidth, s_Text3DZPos, s_thickness;
// This is a call back function, used by DrawGraphicText to draw the 3D text shape:
static void Draw3dTextSegm( int x0, int y0, int xf, int yf )
{
Draw3D_SolidSegment( wxPoint( x0, y0), wxPoint( xf, yf ),
s_Text3DWidth, s_thickness, s_Text3DZPos,
g_Parm_3D_Visu.m_BiuTo3Dunits );
}
void EDA_3D_CANVAS::Draw3D_DrawText( TEXTE_PCB* text )
{
int layer = text->GetLayer();
int color = g_ColorsSettings.GetLayerColor( layer );
SetGLColor( color );
s_Text3DZPos = g_Parm_3D_Visu.GetLayerZcoordBIU( layer );
s_Text3DWidth = text->GetThickness();
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
wxSize size = text->m_Size;
s_thickness = g_Parm_3D_Visu.GetLayerObjectThicknessBIU( layer );
if( text->m_Mirror )
NEGATE( size.x );
if( text->m_MultilineAllowed )
{
wxPoint pos = text->m_Pos;
wxArrayString* list = wxStringSplit( text->m_Text, '\n' );
wxPoint offset;
offset.y = text->GetInterline();
RotatePoint( &offset, text->GetOrientation() );
for( unsigned i = 0; i<list->Count(); i++ )
{
wxString txt = list->Item( i );
DrawGraphicText( NULL, NULL, pos, (EDA_COLOR_T) color,
txt, text->GetOrientation(), size,
text->m_HJustify, text->m_VJustify,
text->GetThickness(), text->m_Italic,
true, Draw3dTextSegm );
pos += offset;
}
delete list;
}
else
{
DrawGraphicText( NULL, NULL, text->m_Pos, (EDA_COLOR_T) color,
text->m_Text, text->GetOrientation(), size,
text->m_HJustify, text->m_VJustify,
text->GetThickness(), text->m_Italic,
true,
Draw3dTextSegm );
}
}
void MODULE::Draw3D( EDA_3D_CANVAS* glcanvas )
{
D_PAD* pad = m_Pads;
// Draw pads
for( ; pad != NULL; pad = pad->Next() )
pad->Draw3D( glcanvas );
// Draw module shape: 3D shape if exists (or module outlines if not exists)
S3D_MASTER* Struct3D = m_3D_Drawings;
bool As3dShape = false;
if( g_Parm_3D_Visu.m_DrawFlags[g_Parm_3D_Visu.FL_MODULE] )
{
double zpos;
if( IsFlipped() )
zpos = g_Parm_3D_Visu.GetModulesZcoord3DIU( true );
else
zpos = g_Parm_3D_Visu.GetModulesZcoord3DIU( false );
glPushMatrix();
glTranslatef( m_Pos.x * g_Parm_3D_Visu.m_BiuTo3Dunits,
-m_Pos.y * g_Parm_3D_Visu.m_BiuTo3Dunits,
zpos );
if( m_Orient )
{
glRotatef( (double) m_Orient / 10, 0.0, 0.0, 1.0 );
}
if( IsFlipped() )
{
glRotatef( 180.0, 0.0, 1.0, 0.0 );
glRotatef( 180.0, 0.0, 0.0, 1.0 );
}
for( ; Struct3D != NULL; Struct3D = Struct3D->Next() )
{
if( !Struct3D->m_Shape3DName.IsEmpty() )
{
As3dShape = true;
Struct3D->ReadData();
}
}
glPopMatrix();
}
EDA_ITEM* Struct = m_Drawings;
for( ; Struct != NULL; Struct = Struct->Next() )
{
switch( Struct->Type() )
{
case PCB_MODULE_TEXT_T:
break;
case PCB_MODULE_EDGE_T:
{
EDGE_MODULE* edge = (EDGE_MODULE*) Struct;
// Draw module edges when no 3d shape exists.
// Always draw pcb edges.
if( !As3dShape || edge->GetLayer() == EDGE_N )
edge->Draw3D( glcanvas );
}
break;
default:
break;
}
}
}
void EDGE_MODULE::Draw3D( EDA_3D_CANVAS* glcanvas )
{
if( g_Parm_3D_Visu.m_BoardSettings->IsLayerVisible( m_Layer ) == false )
return;
int color = g_ColorsSettings.GetLayerColor( m_Layer );
SetGLColor( color );
// for outline shape = S_POLYGON:
// We must compute true coordinates from m_PolyPoints
// which are relative to module position and module orientation = 0
std::vector<CPolyPt> polycorners;
if( m_Shape == S_POLYGON )
{
polycorners.reserve( m_PolyPoints.size() );
MODULE* module = (MODULE*) m_Parent;
CPolyPt corner;
for( unsigned ii = 0; ii < m_PolyPoints.size(); ii++ )
{
corner.x = m_PolyPoints[ii].x;
corner.y = m_PolyPoints[ii].y;
RotatePoint( &corner.x, &corner.y, module->GetOrientation() );
if( module )
{
corner.x += module->m_Pos.x;
corner.y += module->m_Pos.y;
}
polycorners.push_back( corner );
}
polycorners.back().end_contour = true;
}
if( m_Layer == EDGE_N )
{
for( int layer = 0; layer < g_Parm_3D_Visu.m_CopperLayersCount; layer++ )
{
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU( layer );
int thickness = g_Parm_3D_Visu.GetLayerObjectThicknessBIU( m_Layer );
switch( m_Shape )
{
case S_SEGMENT:
Draw3D_SolidSegment( m_Start, m_End, m_Width,
thickness, zpos,
g_Parm_3D_Visu.m_BiuTo3Dunits );
break;
case S_CIRCLE:
{
int radius = KiROUND( hypot( double(m_Start.x - m_End.x),
double(m_Start.y - m_End.y) )
);
Draw3D_ZaxisCylinder( m_Start, radius,
thickness, GetWidth(),
zpos, g_Parm_3D_Visu.m_BiuTo3Dunits );
}
break;
case S_ARC:
Draw3D_ArcSegment( GetCenter(), GetArcStart(),
GetAngle(), GetWidth(), thickness,
zpos, g_Parm_3D_Visu.m_BiuTo3Dunits );
break;
case S_POLYGON:
Draw3D_SolidHorizontalPolyPolygons( polycorners, zpos, thickness,
g_Parm_3D_Visu.m_BiuTo3Dunits);
break;
default:
D( printf( "Error: Shape nr %d not implemented!\n", m_Shape ); )
break;
}
}
}
else
{
int thickness = g_Parm_3D_Visu.GetLayerObjectThicknessBIU( m_Layer );
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( m_Layer ) );
int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU(m_Layer);
switch( m_Shape )
{
case S_SEGMENT:
Draw3D_SolidSegment( m_Start, m_End, m_Width,
thickness, zpos,
g_Parm_3D_Visu.m_BiuTo3Dunits );
break;
case S_CIRCLE:
{
int radius = KiROUND( hypot( double(m_Start.x - m_End.x),
double(m_Start.y - m_End.y) )
);
Draw3D_ZaxisCylinder( m_Start, radius,
thickness, GetWidth(),
zpos, g_Parm_3D_Visu.m_BiuTo3Dunits );
}
break;
case S_ARC:
Draw3D_ArcSegment( GetCenter(), GetArcStart(),
GetAngle(), GetWidth(), thickness,
zpos, g_Parm_3D_Visu.m_BiuTo3Dunits );
break;
case S_POLYGON:
Draw3D_SolidHorizontalPolyPolygons( polycorners, zpos, thickness,
g_Parm_3D_Visu.m_BiuTo3Dunits );
break;
default:
D( printf( "Error: Shape nr %d not implemented!\n", m_Shape ); )
break;
}
}
}
// Draw 3D pads.
void D_PAD::Draw3D( EDA_3D_CANVAS* glcanvas )
{
double scale = g_Parm_3D_Visu.m_BiuTo3Dunits;
// Calculate the center of the pad shape.
wxPoint shape_pos = ReturnShapePos();
int height = g_Parm_3D_Visu.GetLayerZcoordBIU(LAYER_N_FRONT) -
g_Parm_3D_Visu.GetLayerZcoordBIU(LAYER_N_BACK);
int thickness = g_Parm_3D_Visu.GetCopperThicknessBIU();
// Store here the points to approximate hole by segments
std::vector <CPolyPt> holecornersBuffer;
const int slice = 12; // number of segments to approximate a circle
// Draw the pad hole
bool hasHole = m_Drill.x && m_Drill.y;
if( hasHole )
{
SetGLColor( DARKGRAY );
int holeZpoz = g_Parm_3D_Visu.GetLayerZcoordBIU(LAYER_N_BACK) + thickness/2;
int holeHeight = height - thickness;
if( m_Drill.x == m_Drill.y ) // usual round hole
{
Draw3D_ZaxisCylinder( m_Pos, (m_Drill.x + thickness) / 2, holeHeight,
thickness, holeZpoz, scale );
TransformCircleToPolygon( holecornersBuffer, m_Pos, m_Drill.x/2, slice );
}
else // Oblong hole
{
wxPoint ends_offset;
int width;
if( m_Drill.x > m_Drill.y ) // Horizontal oval
{
ends_offset.x = ( m_Drill.x - m_Drill.y ) / 2;
width = m_Drill.y;
}
else // Vertical oval
{
ends_offset.y = ( m_Drill.y - m_Drill.x ) / 2;
width = m_Drill.x;
}
RotatePoint( &ends_offset, m_Orient );
wxPoint start = m_Pos + ends_offset;
wxPoint end = m_Pos - ends_offset;
int hole_radius = ( width + thickness ) / 2;
// Prepare the shape creation
TransformRoundedEndsSegmentToPolygon( holecornersBuffer, start, end, slice, width );
// Draw the hole
Draw3D_ZaxisOblongCylinder( start, end, hole_radius, holeHeight,
thickness, holeZpoz, scale );
}
}
glNormal3f( 0.0, 0.0, 1.0 ); // Normal is Z axis
int nlmax = g_Parm_3D_Visu.m_CopperLayersCount - 1;
// Store here the points to approximate pad shape by segments
std::vector<CPolyPt> polyPadShape;
switch( GetShape() )
{
case PAD_CIRCLE:
for( int layer = FIRST_COPPER_LAYER; layer <= LAST_COPPER_LAYER; layer++ )
{
if( layer && (layer == nlmax) )
layer = LAYER_N_FRONT;
if( !IsOnLayer( layer ) )
continue;
if( g_Parm_3D_Visu.m_BoardSettings->IsLayerVisible( layer ) == false )
continue;
SetGLColor( g_ColorsSettings.GetLayerColor( layer ) );
int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU( layer );
int ring_radius = (m_Size.x + m_Drill.x) / 4;
if( thickness == 0 )
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
Draw3D_ZaxisCylinder(shape_pos, ring_radius,
thickness, ( m_Size.x - m_Drill.x) / 2,
zpos - (thickness/2), scale );
}
break;
case PAD_OVAL:
{
wxPoint ends_offset;
int width;
if( m_Size.x > m_Size.y ) // Horizontal ellipse
{
ends_offset.x = ( m_Size.x - m_Size.y ) / 2;
width = m_Size.y;
}
else // Vertical ellipse
{
ends_offset.y = ( m_Size.y - m_Size.x ) / 2;
width = m_Size.x;
}
RotatePoint( &ends_offset, m_Orient );
wxPoint start = shape_pos + ends_offset;
wxPoint end = shape_pos - ends_offset;
TransformRoundedEndsSegmentToPolygon( polyPadShape, start, end, slice, width );
if( hasHole )
polyPadShape.insert( polyPadShape.end(), holecornersBuffer.begin(), holecornersBuffer.end() );
}
break;
case PAD_RECT:
case PAD_TRAPEZOID:
{
wxPoint coord[5];
BuildPadPolygon( coord, wxSize(0,0), m_Orient );
for( int ii = 0; ii < 4; ii ++ )
{
CPolyPt pt( coord[ii].x + shape_pos.x, coord[ii].y+ shape_pos.y );
polyPadShape.push_back( pt );
}
polyPadShape.back().end_contour = true;
if( hasHole )
polyPadShape.insert( polyPadShape.end(), holecornersBuffer.begin(), holecornersBuffer.end() );
}
break;
default:
break;
}
if( polyPadShape.size() )
{
for( int layer = FIRST_COPPER_LAYER; layer <= LAST_COPPER_LAYER; layer++ )
{
if( layer && (layer == nlmax) )
layer = LAYER_N_FRONT;
if( !IsOnLayer( layer ) )
continue;
if( g_Parm_3D_Visu.m_BoardSettings->IsLayerVisible( layer ) == false )
continue;
SetGLColor( g_ColorsSettings.GetLayerColor( layer ) );
if( thickness == 0 )
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
// If not hole: draw a single polygon
int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU( layer );
if( hasHole )
{
Draw3D_SolidHorizontalPolygonWithHoles( polyPadShape, zpos,
thickness, g_Parm_3D_Visu.m_BiuTo3Dunits );
}
else
{
Draw3D_SolidHorizontalPolyPolygons( polyPadShape, zpos,
thickness, g_Parm_3D_Visu.m_BiuTo3Dunits );
}
}
}
}
bool Is3DLayerEnabled( int aLayer )
{
int flg = -1;
// see if layer needs to be shown
// check the flags
switch (aLayer)
{
case DRAW_N:
flg=g_Parm_3D_Visu.FL_DRAWINGS;
break;
case COMMENT_N:
flg=g_Parm_3D_Visu.FL_COMMENTS;
break;
case ECO1_N:
flg=g_Parm_3D_Visu.FL_ECO1;
break;
case ECO2_N:
flg=g_Parm_3D_Visu.FL_ECO2;
break;
}
// the layer was not a layer with a flag, so show it
if( flg < 0 )
return true;
// if the layer has a flag, return the flag
return g_Parm_3D_Visu.m_DrawFlags[flg];
}
GLfloat Get3DLayer_Z_Orientation( int aLayer )
{
double nZ;
nZ = 1.0;
if( ( aLayer == LAYER_N_BACK )
|| ( aLayer == ADHESIVE_N_BACK )
|| ( aLayer == SOLDERPASTE_N_BACK )
|| ( aLayer == SILKSCREEN_N_BACK )
|| ( aLayer == SOLDERMASK_N_BACK ) )
nZ = -1.0;
return nZ;
}
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