kicad/3d-viewer/3d_draw.cpp

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//////////////////////////////////////
// Name: 3d_draw.cpp
//////////////////////////////////////
#ifdef __GNUG__
#pragma implementation
#pragma interface
#endif
#include "fctsys.h"
#include "trigo.h"
#if !wxUSE_GLCANVAS
#error Please set wxUSE_GLCANVAS to 1 in setup.h.
#endif
#include "common.h"
#include "pcbstruct.h"
#include "macros.h"
//#include "pcbnew.h"
#include "3d_viewer.h"
#include "trackball.h"
#include "3d_struct.h"
static void Draw3D_FilledCircle(double posx, double posy,
double rayon, double hole_rayon, double zpos);
static void Draw3D_FilledSegment(double startx, double starty,
double endx, double endy,double width, double zpos);
static void Draw3D_FilledCylinder(double posx, double posy,
double rayon, double height, double zpos);
static void Draw3D_FilledSegmentWithHole(double startx, double starty,
double endx, double endy,double width,
double holex, double holey, double holeradius, double zpos);
/**********************************/
void Pcb3D_GLCanvas::Redraw( bool finish )
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/**********************************/
{
SetCurrent();
InitGL();
glMatrixMode(GL_MODELVIEW); /* position viewer */
/* transformations */
GLfloat mat[4][4];
build_rotmatrix( mat, g_Parm_3D_Visu.m_Quat );
glMultMatrixf( &mat[0][0] );
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glTranslatef(g_Draw3d_dx, g_Draw3d_dy, 0.0F);
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
{
m_gllist = CreateDrawGL_List();
// m_gllist = DisplayCubeforTest(); // Only for test
}
glFlush();
if (finish) glFinish();
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SwapBuffers();
}
/**********************************************/
GLuint Pcb3D_GLCanvas::CreateDrawGL_List()
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/**********************************************/
/* Creation de la liste des elements a afficher
*/
{
GLuint gllist = glGenLists( 1 );
WinEDA_BasePcbFrame * pcbframe = m_Parent->m_Parent;
BOARD * pcb = pcbframe->m_Pcb;
TRACK * pt_piste;
int ii;
wxBusyCursor dummy;
pcb->ComputeBoundaryBox();
g_Parm_3D_Visu.m_BoardSettings = pcb->m_BoardSettings;
g_Parm_3D_Visu.m_BoardSize = pcb->m_BoundaryBox.GetSize();
g_Parm_3D_Visu.m_BoardPos = pcb->m_BoundaryBox.Centre();
g_Parm_3D_Visu.m_BoardPos.y = - g_Parm_3D_Visu.m_BoardPos.y;
g_Parm_3D_Visu.m_Layers = pcb->m_BoardSettings->m_CopperLayerCount;
g_Parm_3D_Visu.m_BoardScale = 2.0 / MAX(g_Parm_3D_Visu.m_BoardSize.x, g_Parm_3D_Visu.m_BoardSize.y);
float epoxy_width = 1.6; // epoxy width in mm
g_Parm_3D_Visu.m_Epoxy_Width = epoxy_width/2.54 * 1000
* g_Parm_3D_Visu.m_BoardScale;
/* calcul de l'altitude de chaque couche */
for ( ii = 0; ii < 32; ii++ )
{
if ( ii < g_Parm_3D_Visu.m_Layers )
g_Parm_3D_Visu.m_LayerZcoord[ii] = g_Parm_3D_Visu.m_Epoxy_Width * ii
/ (g_Parm_3D_Visu.m_Layers-1);
else g_Parm_3D_Visu.m_LayerZcoord[ii] = g_Parm_3D_Visu.m_Epoxy_Width;
}
GLfloat zpos_cu = 500 * g_Parm_3D_Visu.m_BoardScale;
GLfloat zpos_cmp = g_Parm_3D_Visu.m_Epoxy_Width + zpos_cu;
g_Parm_3D_Visu.m_LayerZcoord[ADHESIVE_N_CU] = -zpos_cu*2;
g_Parm_3D_Visu.m_LayerZcoord[ADHESIVE_N_CMP] = zpos_cmp + zpos_cu;
g_Parm_3D_Visu.m_LayerZcoord[SILKSCREEN_N_CU] = -zpos_cu;
g_Parm_3D_Visu.m_LayerZcoord[SILKSCREEN_N_CMP] = zpos_cmp;
g_Parm_3D_Visu.m_LayerZcoord[DRAW_N] = zpos_cmp + zpos_cu;
g_Parm_3D_Visu.m_LayerZcoord[COMMENT_N] = zpos_cmp + zpos_cu;
g_Parm_3D_Visu.m_LayerZcoord[ECO1_N] = zpos_cmp + zpos_cu;
g_Parm_3D_Visu.m_LayerZcoord[ECO2_N] = zpos_cmp + zpos_cu;
glNewList( gllist, GL_COMPILE_AND_EXECUTE );
glColorMaterial(GL_FRONT_AND_BACK,GL_AMBIENT_AND_DIFFUSE);
/* draw axes*/
glEnable(GL_COLOR_MATERIAL);
SetGLColor(WHITE);
glBegin(GL_LINES);
glNormal3f( 0.0, 0.0, 1.0); // Normal is Z axis
glVertex3f( 0.0 , 0.0, 0.0); glVertex3f(1.0, 0.0, 0.0); // X axis
glVertex3f( 0.0 , 0.0, 0.0); glVertex3f(0.0, -1.0, 0.0); // y axis
glNormal3f( 1.0, 0.0, 0.0); // Normal is Y axis
glVertex3f( 0.0 , 0.0, 0.0); glVertex3f(0.0, 0.0, 0.3); // z axis
glEnd();
/* Draw epoxy limits (do not use, works and test in progress)*/
#if 0
glEnable(GL_FOG);
GLfloat param;
// param = GL_LINEAR; glFogfv(GL_FOG_MODE,& param);
param = 0.2; glFogfv(GL_FOG_DENSITY,& param);
param = g_Parm_3D_Visu.m_LayerZcoord[15]; glFogfv(GL_FOG_END,& param);
glBegin(GL_QUADS);
SetGLColor(g_Parm_3D_Visu.m_BoardSettings->m_LayerColor[CMP_N]);
double sx = DataScale3D * g_Parm_3D_Visu.m_BoardSize.x / 2;
double sy = DataScale3D * g_Parm_3D_Visu.m_BoardSize.y / 2;
double zpos = g_Parm_3D_Visu.m_LayerZcoord[15];
glNormal3f( 0.0, 0.0, 1.0); // Normal is Z axis
sx = sy = 0.5;
glVertex3f( -sx, -sy , zpos);
glVertex3f( -sx, sy , zpos);
glVertex3f( sx, sy , zpos);
glVertex3f( sx, -sy , zpos);
glEnd();
glBegin(GL_QUADS);
SetGLColor(g_Parm_3D_Visu.m_BoardSettings->m_LayerColor[COPPER_LAYER_N]);
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glNormal3f( 0.0, 0.0, -1.0); // Normal is -Z axis
glVertex3f( -sx, -sy , 0);
glVertex3f( -sx, sy , 0);
glVertex3f( sx, sy , 0);
glVertex3f( sx, -sy , 0);
glEnd();
#endif
/* Translation du trac<61> du BOARD pour placer son centre en 0, 0 */
glTranslatef(-g_Parm_3D_Visu.m_BoardPos.x * g_Parm_3D_Visu.m_BoardScale,
-g_Parm_3D_Visu.m_BoardPos.y * g_Parm_3D_Visu.m_BoardScale,
0.0F);
glNormal3f( 0.0, 0.0, 1.0); // Normal is Z axis
/* Trac<61> des pistes : */
for (pt_piste = pcb->m_Track ; pt_piste != NULL ; pt_piste = (TRACK*) pt_piste->Pnext )
{
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if ( pt_piste->Type() == TYPEVIA )
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Draw3D_Via((SEGVIA*)pt_piste);
else Draw3D_Track( pt_piste);
}
/* Trac<61> des edges */
EDA_BaseStruct * PtStruct;
for ( PtStruct = pcb->m_Drawings; PtStruct != NULL; PtStruct = PtStruct->Pnext)
{
#define STRUCT ((DRAWSEGMENT *) PtStruct)
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if( PtStruct->Type() != TYPEDRAWSEGMENT ) continue;
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Draw3D_DrawSegment(STRUCT);
}
/* trac<61> des modules */
MODULE * Module = (MODULE*) pcb->m_Modules;
for ( ; Module != NULL; Module = (MODULE *) Module->Pnext )
{
Module->Draw3D(this);
}
glEndList();
/* Test for errors */
GLenum err = glGetError();
if ( err != GL_NO_ERROR )
DisplayError(this, wxT("Error in GL commands") );
return gllist;
}
/************************************************/
void Pcb3D_GLCanvas::Draw3D_Track(TRACK * track)
/************************************************/
{
double zpos;
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int layer = track->GetLayer();
int color = g_Parm_3D_Visu.m_BoardSettings->m_LayerColor[layer];
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double ox, oy, fx, fy;
double w;
if ( color & ITEM_NOT_SHOW ) return;
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if ( layer == CMP_N )
layer = g_Parm_3D_Visu.m_Layers -1;
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zpos = g_Parm_3D_Visu.m_LayerZcoord[layer];
SetGLColor(color);
glNormal3f( 0.0, 0.0, (layer == COPPER_LAYER_N) ? -1.0 : 1.0);
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w = track->m_Width * g_Parm_3D_Visu.m_BoardScale;
ox = track->m_Start.x * g_Parm_3D_Visu.m_BoardScale;
oy = track->m_Start.y * g_Parm_3D_Visu.m_BoardScale;
fx = track->m_End.x * g_Parm_3D_Visu.m_BoardScale;
fy = track->m_End.y * g_Parm_3D_Visu.m_BoardScale;
Draw3D_FilledSegment(ox, -oy, fx, -fy, w, zpos);
}
/********************************************/
void Pcb3D_GLCanvas::Draw3D_Via(SEGVIA * via)
/*********************************************/
/* 3D drawing for a VIA (cylinder + filled circles)
*/
{
double x, y, r, hole;
int layer, top_layer, bottom_layer;
double zpos, height;
int color;
r = via->m_Width * g_Parm_3D_Visu.m_BoardScale / 2;
hole = g_Parm_3D_Visu.m_BoardSettings->m_ViaDrill * g_Parm_3D_Visu.m_BoardScale / 2;
x = via->m_Start.x * g_Parm_3D_Visu.m_BoardScale;
y = via->m_Start.y * g_Parm_3D_Visu.m_BoardScale;
via->ReturnLayerPair(&top_layer, &bottom_layer);
// Drawing filled circles:
for ( layer = bottom_layer; layer < g_Parm_3D_Visu.m_Layers; layer++ )
{
zpos = g_Parm_3D_Visu.m_LayerZcoord[layer];
if ( layer < g_Parm_3D_Visu.m_Layers-1 )
color = g_Parm_3D_Visu.m_BoardSettings->m_LayerColor[layer];
else color = g_Parm_3D_Visu.m_BoardSettings->m_LayerColor[CMP_N];
if ( color & ITEM_NOT_SHOW ) continue;
SetGLColor(color);
glNormal3f( 0.0, 0.0, (layer == COPPER_LAYER_N) ? -1.0 : 1.0);
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Draw3D_FilledCircle(x, -y, r, hole, zpos);
if ( layer >= top_layer) break;
}
// Drawing hole:
SetGLColor(DARKGRAY);
height = g_Parm_3D_Visu.m_LayerZcoord[top_layer] - g_Parm_3D_Visu.m_LayerZcoord[bottom_layer];
Draw3D_FilledCylinder(x, -y, hole, height, g_Parm_3D_Visu.m_LayerZcoord[bottom_layer]);
}
/*************************************************************/
void Pcb3D_GLCanvas::Draw3D_DrawSegment(DRAWSEGMENT * segment)
/*************************************************************/
{
int layer;
double x, y, xf, yf;
double zpos, w;
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int color = g_Parm_3D_Visu.m_BoardSettings->m_LayerColor[segment->GetLayer()];
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if ( color & ITEM_NOT_SHOW ) return;
SetGLColor(color);
w = segment->m_Width * g_Parm_3D_Visu.m_BoardScale;
x = segment->m_Start.x * g_Parm_3D_Visu.m_BoardScale;
y = segment->m_Start.y * g_Parm_3D_Visu.m_BoardScale;
xf = segment->m_End.x * g_Parm_3D_Visu.m_BoardScale;
yf = segment->m_End.y * g_Parm_3D_Visu.m_BoardScale;
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if ( segment->GetLayer() == EDGE_N)
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{
for ( layer = 0; layer < g_Parm_3D_Visu.m_Layers; layer++ )
{
glNormal3f( 0.0, 0.0, (layer == COPPER_LAYER_N) ? -1.0 : 1.0);
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zpos = g_Parm_3D_Visu.m_LayerZcoord[layer];
Draw3D_FilledSegment( x, -y, xf, -yf, w, zpos);
}
}
else
{
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zpos = g_Parm_3D_Visu.m_LayerZcoord[segment->GetLayer()];
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Draw3D_FilledSegment( x, -y, xf, -yf, w, zpos);
}
}
/*********************************************/
void MODULE::Draw3D(Pcb3D_GLCanvas * glcanvas)
/*********************************************/
{
D_PAD * pad = m_Pads;
#if 0
if( ! DisplayOpt.Show_Modules_Cmp )
{
if(m_Layer == CMP_N) return;
}
if( ! DisplayOpt.Show_Modules_Cu )
{
if(m_Layer == COPPER_LAYER_N) return;
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}
#endif
/* Draw pads */
glColorMaterial(GL_FRONT_AND_BACK,GL_AMBIENT_AND_DIFFUSE);
glNormal3f( 0.0, 0.0, 1.0); // Normal is Z axis
for( ; pad != NULL; pad = (D_PAD*) pad->Pnext )
{
pad->Draw3D(glcanvas);
}
/* Draw module shape: 3D shape if exists (or module edge if not exists)*/
Struct3D_Master * Struct3D = m_3D_Drawings;
bool As3dShape = FALSE;
glPushMatrix();
glTranslatef(m_Pos.x * g_Parm_3D_Visu.m_BoardScale,
-m_Pos.y * g_Parm_3D_Visu.m_BoardScale,
g_Parm_3D_Visu.m_LayerZcoord[m_Layer] );
if ( m_Orient )
{
glRotatef( (double)m_Orient / 10, 0.0, 0.0, 1.0 );
}
if ( m_Layer == COPPER_LAYER_N )
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{
glRotatef( 180.0, 0.0, 1.0, 0.0 );
glRotatef( 180.0, 0.0, 0.0, 1.0 );
}
DataScale3D = g_Parm_3D_Visu.m_BoardScale*UNITS3D_TO_UNITSPCB;
for ( ; Struct3D != NULL; Struct3D = (Struct3D_Master *) Struct3D->Pnext )
{
if ( ! Struct3D->m_Shape3DName.IsEmpty() )
{
As3dShape = TRUE;
Struct3D->ReadData();
}
}
glPopMatrix();
if ( ! As3dShape)
{
EDA_BaseStruct * Struct = m_Drawings;
glNormal3f( 0.0, 0.0, 1.0); // Normal is Z axis
for( ;Struct != NULL; Struct = Struct->Pnext )
{
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switch( Struct->Type() )
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{
case TYPETEXTEMODULE:
break;
case TYPEEDGEMODULE:
((EDGE_MODULE *) Struct)->Draw3D(glcanvas);
break;
default: break;
}
}
}
}
/***************************************************/
void EDGE_MODULE::Draw3D(Pcb3D_GLCanvas * glcanvas)
/***************************************************/
{
int ux0, uy0, dx, dy,rayon, StAngle, EndAngle;
double scale, x, y, fx, fy, w, zpos ;
int color = g_Parm_3D_Visu.m_BoardSettings->m_LayerColor[m_Layer];
if ( color & ITEM_NOT_SHOW ) return;
SetGLColor(color);
glNormal3f( 0.0, 0.0, (m_Layer == COPPER_LAYER_N) ? -1.0 : 1.0);
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scale = g_Parm_3D_Visu.m_BoardScale;
ux0 = m_Start.x;
uy0 = m_Start.y;
dx = m_End.x;
dy = m_End.y;
zpos = g_Parm_3D_Visu.m_LayerZcoord[m_Layer];
w = m_Width * g_Parm_3D_Visu.m_BoardScale;
switch (m_Shape )
{
case S_SEGMENT:
x = m_Start.x * g_Parm_3D_Visu.m_BoardScale;
y = m_Start.y * g_Parm_3D_Visu.m_BoardScale;
fx = dx * g_Parm_3D_Visu.m_BoardScale;
fy = dy * g_Parm_3D_Visu.m_BoardScale;
Draw3D_FilledSegment(x, -y, fx, -fy, w, zpos);
break ;
case S_CIRCLE:
rayon = (int)hypot((double)(dx-ux0),(double)(dy-uy0) );
/* TO DO */
break;
case S_ARC:
rayon = (int)hypot((double)(dx-ux0),(double)(dy-uy0) );
StAngle = (int)ArcTangente( dy-uy0, dx-ux0 );
EndAngle = StAngle + m_Angle;
/* TO DO */
break;
}
}
/***********************************************/
void D_PAD::Draw3D(Pcb3D_GLCanvas * glcanvas)
/***********************************************/
/* Dessin 3D des pads avec leur trou de percage
*/
{
int ii, ll, layer, nlmax;
int ux0,uy0,
dx,dx0,dy,dy0,
delta_cx, delta_cy,
xc, yc;
int angle, delta_angle;
int coord[4][2];
double fcoord[8][2], f_hole_coord[8][2];
float scale;
double zpos;
wxPoint shape_pos;
double x, y, r, w, hole, holeX, holeY;
double drillx, drilly;
bool Oncu, Oncmp, Both;
int color;
scale = g_Parm_3D_Visu.m_BoardScale;
holeX = (double)m_Drill.x * scale / 2;
holeY = (double)m_Drill.y * scale / 2;
hole = MIN (holeX,holeY);
/* calcul du centre des formes des pads : */
shape_pos = ReturnShapePos();
ux0 = shape_pos.x;
uy0 = shape_pos.y;
xc = ux0;
yc = uy0;
/* le trace depend de la rotation de l'empreinte */
dx = dx0 = m_Size.x >> 1 ;
dy = dy0 = m_Size.y >> 1 ; /* demi dim dx et dy */
angle = m_Orient;
drillx = m_Pos.x * scale;
drilly = m_Pos.y * scale;
/* Draw the pad hole (TODO: draw OBLONG hole)*/
if ( holeX && holeY )
{
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SetGLColor(DARKGRAY);
Draw3D_FilledCylinder(drillx, -drilly, hole, g_Parm_3D_Visu.m_LayerZcoord[CMP_N], 0.0);
}
glNormal3f( 0.0, 0.0, 1.0); // Normal is Z axis
nlmax = g_Parm_3D_Visu.m_Layers-1;
Oncu = (m_Masque_Layer & CUIVRE_LAYER) ? TRUE : FALSE;
Oncmp = (m_Masque_Layer & CMP_LAYER) ? TRUE : FALSE;
Both = Oncu && Oncmp;
switch (m_PadShape & 0x7F)
{
case CIRCLE :
x = xc * scale;
y = yc * scale;
r = (double)dx * scale;
for ( layer = COPPER_LAYER_N; layer <= CMP_N; layer ++)
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{
if (layer && (layer == nlmax) ) layer = CMP_N;
if ( (layer == CMP_N) && ! Oncmp ) continue;
if ( (layer == COPPER_LAYER_N) && ! Oncu ) continue;
if ( (layer > COPPER_LAYER_N) && (layer < CMP_N) && !Both) continue;
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color = g_Parm_3D_Visu.m_BoardSettings->m_LayerColor[layer];
if ( color & ITEM_NOT_SHOW ) continue;
SetGLColor(color);
glNormal3f( 0.0, 0.0, (layer == COPPER_LAYER_N) ? -1.0 : 1.0);
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zpos = g_Parm_3D_Visu.m_LayerZcoord[layer];
Draw3D_FilledCircle(x, -y, r, hole, zpos);
}
break;
case OVALE :
/* calcul de l'entraxe de l'ellipse */
if( dx > dy ) /* ellipse horizontale */
{
delta_cx = dx - dy; delta_cy = 0;
w = m_Size.y * scale;
delta_angle = angle+900;
}
else /* ellipse verticale */
{
delta_cx = 0; delta_cy = dy - dx;
w = m_Size.x * scale;
delta_angle = angle;
}
RotatePoint(&delta_cx, &delta_cy, angle);
{
double ox, oy, fx, fy;
ox = (double)(ux0 + delta_cx) * scale;
oy = (double)(uy0 + delta_cy) * scale;
fx = (double)(ux0 - delta_cx) * scale;
fy = (double)(uy0 - delta_cy) * scale;
for ( layer = COPPER_LAYER_N; layer <= CMP_N; layer ++)
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{
if (layer && (layer == nlmax) ) layer = CMP_N;
if ( (layer == CMP_N) && ! Oncmp ) continue;
if ( (layer == COPPER_LAYER_N) && ! Oncu ) continue;
if ( (layer > COPPER_LAYER_N) && (layer < CMP_N) && !Both) continue;
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color = g_Parm_3D_Visu.m_BoardSettings->m_LayerColor[layer];
glNormal3f( 0.0, 0.0, (layer == COPPER_LAYER_N) ? -1.0 : 1.0);
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if ( color & ITEM_NOT_SHOW ) continue;
SetGLColor(color);
zpos = g_Parm_3D_Visu.m_LayerZcoord[layer];
Draw3D_FilledSegmentWithHole(ox, -oy, fx, -fy, w, drillx, -drilly, hole, zpos);
}
}
break;
case RECT :
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// case SPECIAL_PAD:
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case TRAPEZE:
{
int ddx, ddy ;
ddx = m_DeltaSize.x >> 1 ;
ddy = m_DeltaSize.y >> 1 ; /* demi dim dx et dy */
coord[0][0] = - dx - ddy;
coord[0][1] = + dy + ddx;
coord[1][0] = - dx + ddy;
coord[1][1] = - dy - ddx;
coord[2][0] = + dx - ddy;
coord[2][1] = - dy + ddx;
coord[3][0] = + dx + ddy;
coord[3][1] = + dy - ddx;
for (ii = 0; ii < 4; ii++)
{
RotatePoint(&coord[ii][0],&coord[ii][1], angle);
coord[ii][0] += ux0;
coord[ii][1] += uy0;
ll = ii*2;
fcoord[ll][0] = coord[ii][0] * scale;
fcoord[ll][1] = coord[ii][1] * scale;
}
for (ii = 0; ii < 7; ii+=2)
{
ll = ii+2; if (ll > 7) ll -= 8;
fcoord[ii+1][0] = (fcoord[ii][0] + fcoord[ll][0])/2;
fcoord[ii+1][1] = (fcoord[ii][1] + fcoord[ll][1])/2;
}
for (ii = 0; ii < 8; ii++)
{
f_hole_coord[ii][0] = -hole*0.707;
f_hole_coord[ii][1] = hole*0.707;
RotatePoint(&f_hole_coord[ii][0], &f_hole_coord[ii][1],
angle -(ii * 450) );
f_hole_coord[ii][0] += drillx;
f_hole_coord[ii][1] += drilly;
}
for ( layer = COPPER_LAYER_N; layer <= CMP_N; layer ++)
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{
if (layer && (layer == nlmax) ) layer = CMP_N;
if ( (layer == CMP_N) && ! Oncmp ) continue;
if ( (layer == COPPER_LAYER_N) && ! Oncu ) continue;
if ( (layer > COPPER_LAYER_N) && (layer < CMP_N) && !Both) continue;
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color = g_Parm_3D_Visu.m_BoardSettings->m_LayerColor[layer];
glNormal3f( 0.0, 0.0, (layer == COPPER_LAYER_N) ? -1.0 : 1.0);
2007-05-06 16:03:28 +00:00
if ( color & ITEM_NOT_SHOW ) continue;
SetGLColor(color);
zpos = g_Parm_3D_Visu.m_LayerZcoord[layer];
glBegin(GL_QUAD_STRIP);
for ( ii = 0; ii < 8; ii++ )
{
glVertex3f( f_hole_coord[ii][0], -f_hole_coord[ii][1] , zpos);
glVertex3f( fcoord[ii][0], -fcoord[ii][1] , zpos);
}
glVertex3f( f_hole_coord[0][0], -f_hole_coord[0][1] , zpos);
glVertex3f( fcoord[0][0], -fcoord[0][1] , zpos);
glEnd();
}
break;
default:
break;
}
}
}
/*************************/
void SetGLColor(int color)
/*************************/
{
double red, green,blue;
StructColors colordata = ColorRefs[color & MASKCOLOR];
red = colordata.m_Red / 255.0;
blue = colordata.m_Blue / 255.0;
green = colordata.m_Green / 255.0;
glColor3f(red, green,blue);
}
/********************************************************/
static void Draw3D_FilledCircle(double posx, double posy,
double rayon, double hole, double zpos)
/********************************************************/
{
int ii, slice = 16;
double x, y;
glBegin(GL_QUAD_STRIP);
for ( ii = 0; ii <= slice; ii++ )
{
x = hole; y = 0.0;
RotatePoint(&x, &y, ii * 225);
glVertex3f( x + posx, y + posy, zpos);
x = rayon; y = 0.0;
RotatePoint(&x, &y, ii * 225);
glVertex3f( x + posx, y + posy, zpos);
}
glEnd();
}
/*********************************************************/
static void Draw3D_FilledCylinder(double posx, double posy,
double rayon, double height, double zpos)
/*********************************************************/
{
int ii;
double x, y;
#define NB_SEGM 12
S3D_Vertex coords[4];
double tmp = DataScale3D;
DataScale3D = 1.0; //les coord sont deja a l'echelle pour Set_Object_Data();
coords[0].x = coords[1].x = posx + rayon;
coords[0].y = coords[1].y = posy;
coords[0].z = coords[3].z = zpos;
coords[1].z = coords[2].z = zpos + height;
for ( ii = 0; ii <= NB_SEGM; ii++ )
{
x = rayon; y = 0.0;
RotatePoint(&x, &y, ii * (3600/NB_SEGM));
coords[2].x = coords[3].x = posx + x;
coords[2].y = coords[3].y = posy + y;
Set_Object_Data(coords, 4 );
coords[0].x = coords[2].x;
coords[0].y = coords[2].y;
coords[1].x = coords[3].x;
coords[1].y = coords[3].y;
}
glNormal3f( 0.0, 0.0, 1.0); // Normal is Z axis
DataScale3D = tmp;
}
/*****************************************************************/
static void Draw3D_FilledSegment(double startx, double starty,
double endx, double endy,double width, double zpos)
/*****************************************************************/
/* trace un polygone semblable a un segment a bouts ronds
*/
{
double dx, dy, x, y, firstx=0, firsty=0;
int ii, angle;
/* on va calculer les coordonn<6E>es du segment suppos<6F> horizontal,
puis tourner les cordonnes de l'angle voulu */
dx = endx - startx; dy = endy - starty;
angle = (int)(( atan2( dy, dx ) / M_PI * 1800)+0.5) ;
RotatePoint(&dx, &dy, angle); // apres rotation: dx = longueur du segment
// dy = 0;
width /= 2;
glBegin(GL_POLYGON);
// trac<61> de l'arrondi a droite (1er demi polygone a la fin du segment)
for ( ii = 0; ii <= 8; ii++ )
{
x = 0.0; y =-width;
RotatePoint(&x, &y, -ii * 225);
x += dx;
RotatePoint(&x, &y, -angle);
glVertex3f( startx + x, starty+y, zpos);
if ( ii == 0 )
{
firstx = startx + x;
firsty = starty + y;
}
}
// trac<61> de l'arrondi a gauche (2ieme demi polygone a l'origine du segment)
for ( ii = 0; ii <= 8; ii++ )
{
int jj = ii * 225;
x = 0.0; y = width;
RotatePoint(&x, &y, -angle -jj);
glVertex3f( startx + x, starty+y, zpos);
}
glVertex3f( firstx, firsty, zpos);
glEnd();
}
/*****************************************************************/
static void Draw3D_FilledSegmentWithHole(double startx, double starty,
double endx, double endy,double width,
double holex, double holey, double holeradius, double zpos)
/*****************************************************************/
/* trace un polygone semblable a un segment a bouts ronds avec trou
*/
{
double x, y, xin, yin;
double firstx=0, firsty=0, firstxin=0, firstyin=0;
int ii, angle, theta;
/* on va calculer les coordonn<6E>es du segment suppos<6F> horizontal,
puis tourner les cordonnes de l'angle voulu
Tous des calculs se font avec startx, starty comme origine du trac<EFBFBD> */
endx -= startx; endy -= starty;
holex -= startx; holey -= starty;
angle = (int)(( atan2( endy, endx ) / M_PI * 1800)+0.5) ;
RotatePoint(&endx, &endy, angle); // apres rotation: endx = longueur du segment
// endy = 0;
RotatePoint(&holex, &holey, angle);
width /= 2;
glBegin(GL_QUAD_STRIP);
// trac<61> de l'arrondi a droite (1er demi polygone a la fin du segment)
// autour du demi-trou de percage
for ( ii = 0; ii <= 8; ii++ )
{
x = 0.0; y = -width;
xin = 0.0; yin = - holeradius;
theta = -ii * 225;
RotatePoint(&x, &y, theta);
RotatePoint(&xin, &yin, theta);
x += endx;
RotatePoint(&x, &y, -angle);
xin += holex;
RotatePoint(&xin, &yin, -angle);
glVertex3f( startx + xin, starty+yin, zpos);
glVertex3f( startx + x, starty+y, zpos);
if ( ii == 0 ) // Memorisation du point de d<>part du trac<61>
{
firstx = startx + x;
firsty = starty + y;
firstxin = startx + xin;
firstyin = starty + yin;
}
}
// trac<61> de l'arrondi a gauche (2ieme demi polygone a l'origine du segment)
for ( ii = 0; ii <= 8; ii++ )
{
theta = - ii * 225;
x = 0.0; y = width;
RotatePoint(&x, &y, -angle + theta);
xin = 0.0; yin = holeradius;
RotatePoint(&xin, &yin, theta);
xin += holex;
RotatePoint(&xin, &yin, -angle);
glVertex3f( startx + xin,starty + yin, zpos);
glVertex3f( startx + x, starty + y, zpos);
}
glVertex3f( firstxin, firstyin, zpos);
glVertex3f( firstx, firsty, zpos);
glEnd();
}