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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) 1992-2014 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 <wxBasePcbFrame.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>
#ifdef __WINDOWS__
#include <GL/glew.h> // must be included before gl.h
#endif
#include <3d_viewer.h>
#include <3d_canvas.h>
#include <info3d_visu.h>
#include <trackball.h>
#include <3d_draw_basic_functions.h>
/* returns the Z orientation parameter 1.0 or -1.0 for aLayer
* Z orientation is 1.0 for all layers but "back" layers:
* B_Cu , B_Adhes, B_Paste ), B_SilkS
* used to calculate the Z orientation parameter for glNormal3f
*/
static GLfloat Get3DLayer_Z_Orientation( LAYER_NUM aLayer );
/* Based on the tutorial http://www.ulrichmierendorff.com/software/opengl_blur.html
* It will blur a openGL texture
*/
static void blur_tex( GLuint aTex, int aPasses, GLuint aTexture_size )
{
int i, x, y;
glFlush();
glFinish();
glPushAttrib( GL_ALL_ATTRIB_BITS );
glDisable( GL_LIGHTING );
glDisable( GL_CULL_FACE );
glDisable( GL_DEPTH_TEST );
glDisable( GL_ALPHA_TEST );
glDisable( GL_COLOR_MATERIAL );
glReadBuffer( GL_BACK_LEFT );
glPixelStorei( GL_PACK_ALIGNMENT, 1 );
glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
glViewport( 0, 0, aTexture_size, aTexture_size );
glClearColor( 1.0f, 1.0f, 1.0f, 1.0f );
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glMatrixMode( GL_PROJECTION );
glPushMatrix();
glLoadIdentity();
glOrtho( 0.0f, aTexture_size, aTexture_size, 0.0f, -1.0f, 1.0f );
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
glEnable( GL_TEXTURE_2D );
glBindTexture( GL_TEXTURE_2D, aTex );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
while (aPasses > 0)
{
i = 0;
for (x = 0; x < 2; x++)
{
for (y = 0; y < 2; y++, i++)
{
glColor4f (1.0f,1.0f,1.0f,1.0 / (i + 1.0));
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f( 0 + (x - 0.5)/aTexture_size, 1 + (y-0.5)/aTexture_size );
glVertex2f( 0, 0 );
glTexCoord2f( 0 + (x - 0.5)/aTexture_size, 0 + (y-0.5)/aTexture_size );
glVertex2f( 0, aTexture_size );
glTexCoord2f( 1 + (x - 0.5)/aTexture_size, 1 + (y-0.5)/aTexture_size );
glVertex2f( aTexture_size, 0 );
glTexCoord2f( 1 + (x - 0.5)/aTexture_size, 0 + (y-0.5)/aTexture_size );
glVertex2f( aTexture_size, aTexture_size );
glEnd ();
}
}
glCopyTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, 0, 0, aTexture_size, aTexture_size, 0 );
aPasses--;
}
glFlush();
glFinish();
glDisable( GL_BLEND );
glMatrixMode( GL_PROJECTION );
glPopMatrix();
glPopAttrib();
glEnable(GL_DEPTH_TEST);
}
void EDA_3D_CANVAS::Create_and_Render_Shadow_Buffer( GLuint *aDst_gl_texture,
GLuint aTexture_size, bool aDraw_body, int aBlurPasses )
{
float *depthbufferFloat = (float*) malloc( aTexture_size * aTexture_size * sizeof(float) );
unsigned char *depthbufferRGBA = (unsigned char*) malloc( aTexture_size * aTexture_size * 4 );
glDisable( GL_TEXTURE_2D );
glViewport( 0, 0, aTexture_size, aTexture_size );
glClearColor( 1.0f, 1.0f, 1.0f, 1.0f );
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
// move the board in order to draw it with its center at 0,0 3D coordinates
glTranslatef( -GetPrm3DVisu().m_BoardPos.x * GetPrm3DVisu().m_BiuTo3Dunits,
-GetPrm3DVisu().m_BoardPos.y * GetPrm3DVisu().m_BiuTo3Dunits,
0.0F );
if( aDraw_body )
{
if( m_glLists[GL_ID_BODY] )
{
glCallList( m_glLists[GL_ID_BODY] );
}
}
// Call model list
glCallList( m_glLists[GL_ID_3DSHAPES_SOLID_FRONT] );
if( m_glLists[GL_ID_3DSHAPES_TRANSP_FRONT] )
{
glCallList( m_glLists[GL_ID_3DSHAPES_TRANSP_FRONT] );
}
glPixelStorei( GL_PACK_ALIGNMENT, 4 );
glReadBuffer( GL_BACK_LEFT );
glFinish();
glReadPixels( 0, 0,
aTexture_size, aTexture_size,
GL_DEPTH_COMPONENT, GL_FLOAT, depthbufferFloat );
glFinish();
for( unsigned int i = 0; i< (aTexture_size * aTexture_size); i++ )
{
unsigned char v = depthbufferFloat[i] * 255;
depthbufferRGBA[i * 4 + 0] = v;
depthbufferRGBA[i * 4 + 1] = v;
depthbufferRGBA[i * 4 + 2] = v;
depthbufferRGBA[i * 4 + 3] = 255;
}
glFinish();
glEnable( GL_TEXTURE_2D );
glGenTextures( 1, aDst_gl_texture );
glBindTexture( GL_TEXTURE_2D, *aDst_gl_texture );
glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, aTexture_size, aTexture_size, 0,
GL_RGBA, GL_UNSIGNED_BYTE, depthbufferRGBA );
glFlush();
glFinish();
CheckGLError( __FILE__, __LINE__ );
blur_tex( *aDst_gl_texture, aBlurPasses, aTexture_size );
glEnable( GL_TEXTURE_2D );
glBindTexture( GL_TEXTURE_2D, *aDst_gl_texture );
glGetTexImage( GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, depthbufferRGBA );
for(unsigned int i = 0; i< (aTexture_size * aTexture_size); i++)
{
float v = (float)depthbufferRGBA[i * 4] / 255.0f;
v = v * v;
depthbufferRGBA[i * 4 + 0] = 0;
depthbufferRGBA[i * 4 + 1] = 0;
depthbufferRGBA[i * 4 + 2] = 0;
depthbufferRGBA[i * 4 + 3] = 255 - (unsigned char)(v * 255);
}
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, aTexture_size, aTexture_size, 0, GL_RGBA, GL_UNSIGNED_BYTE, depthbufferRGBA );
free( depthbufferRGBA );
free( depthbufferFloat );
}
#define SHADOW_BOARD_SCALE 1.5f
void EDA_3D_CANVAS::GenerateFakeShadowsTextures()
{
if( m_shadow_init == true )
{
return;
}
// Init info 3d parameters and create gl lists:
CreateDrawGL_List();
m_shadow_init = true;
glClearColor( 0, 0, 0, 1 );
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
const double ZDIST_MAX = Millimeter2iu( 3.5 ) * GetPrm3DVisu().m_BiuTo3Dunits;
glOrtho( -GetPrm3DVisu().m_BoardSize.x * GetPrm3DVisu().m_BiuTo3Dunits / 2.0f,
GetPrm3DVisu().m_BoardSize.x * GetPrm3DVisu().m_BiuTo3Dunits / 2.0f,
-GetPrm3DVisu().m_BoardSize.y * GetPrm3DVisu().m_BiuTo3Dunits / 2.0f,
GetPrm3DVisu().m_BoardSize.y * GetPrm3DVisu().m_BiuTo3Dunits / 2.0f,
0.0, ZDIST_MAX );
// Render FRONT shadow
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
glTranslatef( 0, 0, 0.03 );
glRotatef( 180, 0.0, 1.0, 0.0 );
Create_and_Render_Shadow_Buffer( &m_text_fake_shadow_front, 512, false, 5 );
// Render BACK shadow
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
glTranslatef( 0, 0, 0.03 );
///glRotatef( 0.0, 0.0, 1.0, 0.0 );
Create_and_Render_Shadow_Buffer( &m_text_fake_shadow_back, 512, false, 5 );
// Render ALL BOARD shadow
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
glOrtho( -GetPrm3DVisu().m_BoardSize.x * SHADOW_BOARD_SCALE * GetPrm3DVisu().m_BiuTo3Dunits / 2.0f,
GetPrm3DVisu().m_BoardSize.x * SHADOW_BOARD_SCALE * GetPrm3DVisu().m_BiuTo3Dunits / 2.0f,
-GetPrm3DVisu().m_BoardSize.y * SHADOW_BOARD_SCALE * GetPrm3DVisu().m_BiuTo3Dunits / 2.0f,
GetPrm3DVisu().m_BoardSize.y * SHADOW_BOARD_SCALE * GetPrm3DVisu().m_BiuTo3Dunits / 2.0f,
0.0, 6.0f * ZDIST_MAX );
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
glTranslatef( 0, 0, -0.4f );
glRotatef( 180.0, 0.0, 1.0, 0.0 );
Create_and_Render_Shadow_Buffer( &m_text_fake_shadow_board, 512, true, 20 );
}
void EDA_3D_CANVAS::Redraw()
{
// 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.
wxSize size = GetClientSize();
InitGL();
if( isEnabled( FL_MODULE ) && isRealisticMode() &&
isEnabled( FL_RENDER_SHADOWS ) )
{
GenerateFakeShadowsTextures();
}
// *MUST* be called *after* SetCurrent( ):
glViewport( 0, 0, size.x, size.y );
// clear color and depth buffers
glClearColor( 0.95, 0.95, 1.0, 1.0 );
glClearStencil( 0 );
glClearDepth( 1.0 );
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT );
glShadeModel( GL_SMOOTH );
// Draw background
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
glDisable( GL_LIGHTING );
glDisable( GL_COLOR_MATERIAL );
glDisable( GL_DEPTH_TEST );
glDisable( GL_TEXTURE_2D );
// Draw the background ( rectangle with color gradient)
glBegin( GL_QUADS );
SetGLColor( GetPrm3DVisu().m_BgColor_Top, 1.0 );
glVertex2f( -1.0, 1.0 ); // Top left corner
SetGLColor( GetPrm3DVisu().m_BgColor, 1.0 );
glVertex2f( -1.0,-1.0 ); // bottom left corner
glVertex2f( 1.0,-1.0 ); // bottom right corner
SetGLColor( GetPrm3DVisu().m_BgColor_Top, 1.0 );
glVertex2f( 1.0, 1.0 ); // top right corner
glEnd();
glEnable( GL_DEPTH_TEST );
// set viewing projection
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
#define MAX_VIEW_ANGLE 160.0 / 45.0
if( GetPrm3DVisu().m_Zoom > MAX_VIEW_ANGLE )
GetPrm3DVisu().m_Zoom = MAX_VIEW_ANGLE;
if( Parent()->ModeIsOrtho() )
{
// OrthoReductionFactor is chosen to provide roughly the same size as
// Perspective View
const double orthoReductionFactor = 400 / GetPrm3DVisu().m_Zoom;
// Initialize Projection Matrix for Ortographic View
glOrtho( -size.x / orthoReductionFactor, size.x / orthoReductionFactor,
-size.y / orthoReductionFactor, size.y / orthoReductionFactor, 1, 100 );
}
else
{
// Ratio width / height of the window display
double ratio_HV = (double) size.x / size.y;
// Initialize Projection Matrix for Perspective View
gluPerspective( 45.0 * GetPrm3DVisu().m_Zoom, ratio_HV, 1, 100 );
}
// position viewer
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
glTranslatef( 0.0F, 0.0F, -( m_ZBottom + m_ZTop) / 2 );
// Setup light sources:
SetLights();
CheckGLError( __FILE__, __LINE__ );
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, GetPrm3DVisu().m_Quat );
glMultMatrixf( &mat[0][0] );
glRotatef( GetPrm3DVisu().m_Rot[0], 1.0, 0.0, 0.0 );
glRotatef( GetPrm3DVisu().m_Rot[1], 0.0, 1.0, 0.0 );
glRotatef( GetPrm3DVisu().m_Rot[2], 0.0, 0.0, 1.0 );
if( ! m_glLists[GL_ID_BOARD] || ! m_glLists[GL_ID_TECH_LAYERS] )
CreateDrawGL_List();
if( isEnabled( FL_AXIS ) && m_glLists[GL_ID_AXIS] )
glCallList( m_glLists[GL_ID_AXIS] );
// move the board in order to draw it with its center at 0,0 3D coordinates
glTranslatef( -GetPrm3DVisu().m_BoardPos.x * GetPrm3DVisu().m_BiuTo3Dunits,
-GetPrm3DVisu().m_BoardPos.y * GetPrm3DVisu().m_BiuTo3Dunits,
0.0F );
// draw all objects in lists
// transparent objects should be drawn after opaque objects
if( isEnabled( FL_MODULE ) )
{
if( ! m_glLists[GL_ID_3DSHAPES_SOLID_FRONT] )
CreateDrawGL_List();
}
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
if( isEnabled( FL_SHOW_BOARD_BODY ) )
{
if( !isEnabled( FL_RENDER_TEXTURES ) ||
isEnabled( FL_SOLDERMASK ) || !isRealisticMode() )
{
glDisable( GL_TEXTURE_2D );
}
else
{
glEnable( GL_TEXTURE_2D );
}
glDisable( GL_LIGHTING );
if( m_glLists[GL_ID_BODY] )
{
glCallList( m_glLists[GL_ID_BODY] );
}
glEnable( GL_LIGHTING );
}
glEnable( GL_COLOR_MATERIAL );
SetOpenGlDefaultMaterial();
glm::vec4 specular( GetPrm3DVisu().m_CopperColor.m_Red * 0.3,
GetPrm3DVisu().m_CopperColor.m_Green * 0.3,
GetPrm3DVisu().m_CopperColor.m_Blue * 0.3, 1.0 );
GLint shininess_value = 8;
glMateriali ( GL_FRONT_AND_BACK, GL_SHININESS, shininess_value );
glMaterialfv( GL_FRONT_AND_BACK, GL_SPECULAR, &specular.x );
if( isRealisticMode() && isEnabled( FL_RENDER_TEXTURES ) )
{
glEnable( GL_TEXTURE_2D );
}
else
{
glDisable( GL_TEXTURE_2D );
}
if( m_glLists[GL_ID_BOARD] )
{
glCallList( m_glLists[GL_ID_BOARD] );
}
SetOpenGlDefaultMaterial();
if( m_glLists[GL_ID_TECH_LAYERS] )
{
glCallList( m_glLists[GL_ID_TECH_LAYERS] );
}
if( isEnabled( FL_COMMENTS ) || isEnabled( FL_COMMENTS ) )
{
if( ! m_glLists[GL_ID_AUX_LAYERS] )
CreateDrawGL_List();
glCallList( m_glLists[GL_ID_AUX_LAYERS] );
}
// Draw Component Shadow
if( isEnabled( FL_MODULE ) && isRealisticMode() &&
isEnabled( FL_RENDER_SHADOWS ) )
{
glEnable( GL_CULL_FACE );
glDisable( GL_DEPTH_TEST );
glEnable( GL_COLOR_MATERIAL ) ;
SetOpenGlDefaultMaterial();
glColor4f( 1.0, 1.0, 1.0, 1.0 );
glEnable( GL_TEXTURE_2D );
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
if( m_glLists[GL_ID_SHADOW_FRONT] )
{
glBindTexture( GL_TEXTURE_2D, m_text_fake_shadow_front );
glCallList( m_glLists[GL_ID_SHADOW_FRONT] );
}
if( m_glLists[GL_ID_SHADOW_BACK] )
{
glBindTexture( GL_TEXTURE_2D, m_text_fake_shadow_back );
glCallList( m_glLists[GL_ID_SHADOW_BACK] );
}
glColor4f( 1.0, 1.0, 1.0, 1.0 );
glEnable( GL_DEPTH_TEST );
glDisable( GL_TEXTURE_2D );
glDisable( GL_CULL_FACE );
}
glEnable(GL_COLOR_MATERIAL);
SetOpenGlDefaultMaterial();
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
glColor4f( 1.0, 1.0, 1.0, 1.0 );
// Draw Solid Shapes
if( isEnabled( FL_MODULE ) )
{
if( ! m_glLists[GL_ID_3DSHAPES_SOLID_FRONT] )
CreateDrawGL_List();
glCallList( m_glLists[GL_ID_3DSHAPES_SOLID_FRONT] );
}
// Grid uses transparency: draw it after all objects
if( isEnabled( FL_GRID ) && m_glLists[GL_ID_GRID] )
glCallList( m_glLists[GL_ID_GRID] );
// This list must be drawn last, because it contains the
// transparent gl objects, which should be drawn after all
// non transparent objects
if( isEnabled( FL_MODULE ) && m_glLists[GL_ID_3DSHAPES_TRANSP_FRONT] )
glCallList( m_glLists[GL_ID_3DSHAPES_TRANSP_FRONT] );
// Draw Board Shadow
if( isEnabled( FL_MODULE ) && isRealisticMode() &&
isEnabled( FL_RENDER_SHADOWS ) )
{
if( m_glLists[GL_ID_SHADOW_BOARD] )
{
glEnable( GL_CULL_FACE );
glDisable( GL_COLOR_MATERIAL );
glEnable( GL_TEXTURE_2D );
glBindTexture( GL_TEXTURE_2D, m_text_fake_shadow_board );
glCallList( m_glLists[GL_ID_SHADOW_BOARD] );
glDisable( GL_CULL_FACE );
}
}
SwapBuffers();
}
void EDA_3D_CANVAS::BuildShadowList( GLuint aFrontList, GLuint aBacklist, GLuint aBoardList )
{
// Use similar calculation as Grid limits, in 3D units
wxSize brd_size = getBoardSize();
wxPoint brd_center_pos = getBoardCenter();
float xsize = brd_size.x;
float ysize = brd_size.y;
float scale = GetPrm3DVisu().m_BiuTo3Dunits;
float xmin = (brd_center_pos.x - xsize / 2.0) * scale;
float xmax = (brd_center_pos.x + xsize / 2.0) * scale;
float ymin = (brd_center_pos.y - ysize / 2.0) * scale;
float ymax = (brd_center_pos.y + ysize / 2.0) * scale;
float zpos = GetPrm3DVisu().GetLayerZcoordBIU( F_Paste );
zpos *= GetPrm3DVisu().m_BiuTo3Dunits;
// Shadow FRONT
glNewList( aFrontList, GL_COMPILE );
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( F_Paste ) );
glBegin (GL_QUADS);
glTexCoord2f( 1.0, 0.0 ); glVertex3f( xmin, ymin, zpos );
glTexCoord2f( 0.0, 0.0 ); glVertex3f( xmax, ymin, zpos );
glTexCoord2f( 0.0, 1.0 ); glVertex3f( xmax, ymax, zpos );
glTexCoord2f( 1.0, 1.0 ); glVertex3f( xmin, ymax, zpos );
glEnd();
glEndList();
// Shadow BACK
zpos = GetPrm3DVisu().GetLayerZcoordBIU( B_Paste );
zpos *= GetPrm3DVisu().m_BiuTo3Dunits;
glNewList( aBacklist, GL_COMPILE );
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( B_Paste ) );
glBegin (GL_QUADS);
glTexCoord2f( 0.0, 0.0 ); glVertex3f( xmin, ymin, zpos );
glTexCoord2f( 0.0, 1.0 ); glVertex3f( xmin, ymax, zpos );
glTexCoord2f( 1.0, 1.0 ); glVertex3f( xmax, ymax, zpos );
glTexCoord2f( 1.0, 0.0 ); glVertex3f( xmax, ymin, zpos );
glEnd();
glEndList();
// Shadow BOARD
xsize = brd_size.x * SHADOW_BOARD_SCALE;
ysize = brd_size.y * SHADOW_BOARD_SCALE;
scale = GetPrm3DVisu().m_BiuTo3Dunits;
xmin = (brd_center_pos.x - xsize / 2.0) * scale;
xmax = (brd_center_pos.x + xsize / 2.0) * scale;
ymin = (brd_center_pos.y - ysize / 2.0) * scale;
ymax = (brd_center_pos.y + ysize / 2.0) * scale;
glNewList( aBoardList, GL_COMPILE );
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( F_Paste ) );
glBegin (GL_QUADS);
glTexCoord2f( 1.0, 0.0 ); glVertex3f( xmin, ymin, zpos * 30.0);
glTexCoord2f( 0.0, 0.0 ); glVertex3f( xmax, ymin, zpos * 30.0);
glTexCoord2f( 0.0, 1.0 ); glVertex3f( xmax, ymax, zpos * 30.0);
glTexCoord2f( 1.0, 1.0 ); glVertex3f( xmin, ymax, zpos * 30.0);
glEnd();
glEndList();
}
void EDA_3D_CANVAS::BuildBoard3DView(GLuint aBoardList, GLuint aBodyOnlyList)
{
BOARD* pcb = GetBoard();
// If FL_RENDER_SHOW_HOLES_IN_ZONES is true, holes are correctly removed from copper zones areas.
// If FL_RENDER_SHOW_HOLES_IN_ZONES is false, holes are not removed from copper zones areas,
// but the calculation time is twice shorter.
bool remove_Holes = isEnabled( FL_RENDER_SHOW_HOLES_IN_ZONES );
bool realistic_mode = isRealisticMode();
bool useTextures = isRealisticMode() && isEnabled( FL_RENDER_TEXTURES );
// Number of segments to convert a circle to polygon
// Boost polygon (at least v 1.54, v1.55 and previous) in very rare cases crashes
// when using 16 segments to approximate a circle.
// So using 18 segments is a workaround to try to avoid these crashes
// ( We already used this trick in plot_board_layers.cpp,
// see PlotSolderMaskLayer() )
const int segcountforcircle = 18;
double correctionFactor = 1.0 / cos( M_PI / (segcountforcircle * 2) );
const int segcountLowQuality = 12; // segments to draw a circle with low quality
// to reduce time calculations
// for holes and items which do not need
// a fine representation
double correctionFactorLQ = 1.0 / cos( M_PI / (segcountLowQuality * 2) );
CPOLYGONS_LIST bufferPolys;
bufferPolys.reserve( 200000 ); // Reserve for large board (tracks mainly)
CPOLYGONS_LIST bufferPcbOutlines; // stores the board main outlines
CPOLYGONS_LIST allLayerHoles; // Contains through holes, calculated only once
allLayerHoles.reserve( 20000 );
// Build a polygon from edge cut items
wxString msg;
if( !pcb->GetBoardPolygonOutlines( bufferPcbOutlines, allLayerHoles, &msg ) )
{
msg << wxT("\n\n") <<
_("Unable to calculate the board outlines.\n"
"Therefore use the board boundary box.");
wxMessageBox( msg );
}
CPOLYGONS_LIST bufferZonesPolys;
bufferZonesPolys.reserve( 500000 ); // Reserve for large board ( copper zones mainly )
CPOLYGONS_LIST currLayerHoles; // Contains holes for the current layer
bool throughHolesListBuilt = false; // flag to build the through hole polygon list only once
LSET cu_set = LSET::AllCuMask( GetPrm3DVisu().m_CopperLayersCount );
#if 1
LAYER_ID cu_seq[MAX_CU_LAYERS]; // preferred sequence, could have called CuStack()
// but I assume that's backwards
glNewList( aBoardList, GL_COMPILE );
for( unsigned i=0; i<DIM(cu_seq); ++i )
cu_seq[i] = ToLAYER_ID( B_Cu - i );
for( LSEQ cu = cu_set.Seq( cu_seq, DIM(cu_seq) ); cu; ++cu )
#else
for( LSEQ cu = cu_set.CuStack(); cu; ++cu )
#endif
{
LAYER_ID layer = *cu;
// Skip non enabled layers in normal mode,
// and internal layers in realistic mode
if( !is3DLayerEnabled( layer ) )
continue;
bufferPolys.RemoveAllContours();
bufferZonesPolys.RemoveAllContours();
currLayerHoles.RemoveAllContours();
// Draw tracks:
for( TRACK* track = pcb->m_Track; track; track = track->Next() )
{
if( !track->IsOnLayer( layer ) )
continue;
track->TransformShapeWithClearanceToPolygon( bufferPolys,
0, segcountforcircle,
correctionFactor );
// Add via hole
if( track->Type() == PCB_VIA_T )
{
VIA *via = static_cast<VIA*>( track );
VIATYPE_T viatype = via->GetViaType();
int holediameter = via->GetDrillValue();
int thickness = GetPrm3DVisu().GetCopperThicknessBIU();
int hole_outer_radius = (holediameter + thickness) / 2;
if( viatype != VIA_THROUGH )
TransformCircleToPolygon( currLayerHoles,
via->GetStart(), hole_outer_radius,
segcountLowQuality );
else if( !throughHolesListBuilt )
TransformCircleToPolygon( allLayerHoles,
via->GetStart(), hole_outer_radius,
segcountLowQuality );
}
}
// draw pads
for( MODULE* module = pcb->m_Modules; module; module = module->Next() )
{
module->TransformPadsShapesWithClearanceToPolygon( layer,
bufferPolys,
0,
segcountforcircle,
correctionFactor );
// Micro-wave modules may have items on copper layers
module->TransformGraphicShapesWithClearanceToPolygonSet( layer,
bufferPolys,
0,
segcountforcircle,
correctionFactor );
// Add pad hole, if any
if( !throughHolesListBuilt )
{
D_PAD* pad = module->Pads();
for( ; pad; pad = pad->Next() )
pad->BuildPadDrillShapePolygon( allLayerHoles, 0,
segcountLowQuality );
}
}
// Draw copper zones
if( isEnabled( FL_ZONE ) )
{
for( int ii = 0; ii < pcb->GetAreaCount(); ii++ )
{
ZONE_CONTAINER* zone = pcb->GetArea( ii );
LAYER_NUM zonelayer = zone->GetLayer();
if( zonelayer == layer )
{
zone->TransformSolidAreasShapesToPolygonSet(
remove_Holes ? bufferPolys : bufferZonesPolys,
segcountLowQuality, correctionFactorLQ );
}
}
}
// draw graphic items on copper layers (texts)
for( BOARD_ITEM* item = pcb->m_Drawings; item; item = item->Next() )
{
if( !item->IsOnLayer( layer ) )
continue;
switch( item->Type() )
{
case PCB_LINE_T: // should not exist on copper layers
( (DRAWSEGMENT*) item )->TransformShapeWithClearanceToPolygon(
bufferPolys, 0, segcountforcircle, correctionFactor );
break;
case PCB_TEXT_T:
( (TEXTE_PCB*) item )->TransformShapeWithClearanceToPolygonSet(
bufferPolys, 0, segcountforcircle, correctionFactor );
break;
default:
break;
}
}
// bufferPolys contains polygons to merge. Many overlaps .
// Calculate merged polygons
if( bufferPolys.GetCornersCount() == 0 )
continue;
KI_POLYGON_SET currLayerPolyset;
KI_POLYGON_SET polysetHoles;
// Add polygons, without holes
bufferPolys.ExportTo( currLayerPolyset );
// Add holes in polygon list
currLayerHoles.Append( allLayerHoles );
if( currLayerHoles.GetCornersCount() > 0 )
currLayerHoles.ExportTo( polysetHoles );
// Merge polygons, remove holes
currLayerPolyset -= polysetHoles;
int thickness = GetPrm3DVisu().GetLayerObjectThicknessBIU( layer );
int zpos = GetPrm3DVisu().GetLayerZcoordBIU( layer );
if( realistic_mode )
{
setGLCopperColor();
}
else
{
EDA_COLOR_T color = g_ColorsSettings.GetLayerColor( layer );
SetGLColor( color );
}
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
bufferPolys.RemoveAllContours();
bufferPolys.ImportFrom( currLayerPolyset );
Draw3D_SolidHorizontalPolyPolygons( bufferPolys, zpos,
thickness,
GetPrm3DVisu().m_BiuTo3Dunits, useTextures );
if( isEnabled( FL_USE_COPPER_THICKNESS ) == true )
{
thickness -= ( 0.04 * IU_PER_MM );
}
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
if( bufferZonesPolys.GetCornersCount() )
Draw3D_SolidHorizontalPolyPolygons( bufferZonesPolys, zpos,
thickness,
GetPrm3DVisu().m_BiuTo3Dunits, useTextures );
throughHolesListBuilt = true;
}
if ( !isEnabled( FL_SHOW_BOARD_BODY ) )
{
setGLCopperColor();
// Draw vias holes (vertical cylinders)
for( const TRACK* track = pcb->m_Track; track; track = track->Next() )
{
const VIA *via = dynamic_cast<const VIA*>(track);
if( via )
Draw3DViaHole( via );
}
// Draw pads holes (vertical cylinders)
for( const MODULE* module = pcb->m_Modules; module; module = module->Next() )
{
for( D_PAD* pad = module->Pads(); pad; pad = pad->Next() )
Draw3DPadHole( pad );
}
}
glEndList();
// Build the body board:
glNewList( aBodyOnlyList, GL_COMPILE );
if( isRealisticMode() )
{
setGLEpoxyColor( 0.95 );
}
else
{
EDA_COLOR_T color = g_ColorsSettings.GetLayerColor( Edge_Cuts );
SetGLColor( color, 0.7 );
}
float copper_thickness = GetPrm3DVisu().GetCopperThicknessBIU();
// a small offset between substrate and external copper layer to avoid artifacts
// when drawing copper items on board
float epsilon = Millimeter2iu( 0.01 );
float zpos = GetPrm3DVisu().GetLayerZcoordBIU( B_Cu );
float board_thickness = GetPrm3DVisu().GetLayerZcoordBIU( F_Cu )
- GetPrm3DVisu().GetLayerZcoordBIU( B_Cu );
// items on copper layers and having a thickness = copper_thickness
// are drawn from zpos - copper_thickness/2 to zpos + copper_thickness
// therefore substrate position is copper_thickness/2 to
// substrate_height - copper_thickness/2
zpos += (copper_thickness + epsilon) / 2.0;
board_thickness -= copper_thickness + epsilon;
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( F_Cu ) );
KI_POLYGON_SET currLayerPolyset;
KI_POLYGON_SET polysetHoles;
// Add polygons, without holes
bufferPcbOutlines.ExportTo( currLayerPolyset );
// Build holes list
allLayerHoles.ExportTo( polysetHoles );
// remove holes
currLayerPolyset -= polysetHoles;
bufferPcbOutlines.RemoveAllContours();
bufferPcbOutlines.ImportFrom( currLayerPolyset );
if( bufferPcbOutlines.GetCornersCount() )
{
Draw3D_SolidHorizontalPolyPolygons( bufferPcbOutlines, zpos + board_thickness/2.0,
board_thickness, GetPrm3DVisu().m_BiuTo3Dunits, useTextures );
}
glEndList();
}
void EDA_3D_CANVAS::BuildTechLayers3DView()
{
BOARD* pcb = GetBoard();
bool useTextures = isRealisticMode() && isEnabled( FL_RENDER_TEXTURES );
// Number of segments to draw a circle using segments
const int segcountforcircle = 18;
double correctionFactor = 1.0 / cos( M_PI / (segcountforcircle * 2) );
const int segcountLowQuality = 12; // segments to draw a circle with low quality
// to reduce time calculations
// for holes and items which do not need
// a fine representation
double correctionFactorLQ = 1.0 / cos( M_PI / (segcountLowQuality * 2) );
CPOLYGONS_LIST bufferPolys;
bufferPolys.reserve( 100000 ); // Reserve for large board
CPOLYGONS_LIST allLayerHoles; // Contains through holes, calculated only once
allLayerHoles.reserve( 20000 );
CPOLYGONS_LIST bufferPcbOutlines; // stores the board main outlines
// Build a polygon from edge cut items
wxString msg;
if( !pcb->GetBoardPolygonOutlines( bufferPcbOutlines, allLayerHoles, &msg ) )
{
msg << wxT("\n\n") <<
_("Unable to calculate the board outlines.\n"
"Therefore use the board boundary box.");
wxMessageBox( msg );
}
int thickness = GetPrm3DVisu().GetCopperThicknessBIU();
// Add via holes
for( VIA* via = GetFirstVia( pcb->m_Track ); via;
via = GetFirstVia( via->Next() ) )
{
VIATYPE_T viatype = via->GetViaType();
int holediameter = via->GetDrillValue();
int hole_outer_radius = (holediameter + thickness) / 2;
if( viatype == VIA_THROUGH )
TransformCircleToPolygon( allLayerHoles,
via->GetStart(), hole_outer_radius,
segcountLowQuality );
}
// draw pads holes
for( MODULE* module = pcb->m_Modules; module; module = module->Next() )
{
// Add pad hole, if any
D_PAD* pad = module->Pads();
for( ; pad; pad = pad->Next() )
pad->BuildPadDrillShapePolygon( allLayerHoles, 0,
segcountLowQuality );
}
// draw graphic items, on technical layers
KI_POLYGON_SET brdpolysetHoles;
allLayerHoles.ExportTo( brdpolysetHoles );
static const LAYER_ID teckLayerList[] = {
B_Adhes,
F_Adhes,
B_Paste,
F_Paste,
B_SilkS,
F_SilkS,
B_Mask,
F_Mask,
};
// User layers are not drawn here, only technical layers
for( LSEQ seq = LSET::AllTechMask().Seq( teckLayerList, DIM( teckLayerList ) ); seq; ++seq )
{
LAYER_ID layer = *seq;
if( !is3DLayerEnabled( layer ) )
continue;
if( layer == Edge_Cuts && isEnabled( FL_SHOW_BOARD_BODY ) )
continue;
bufferPolys.RemoveAllContours();
for( BOARD_ITEM* item = pcb->m_Drawings; item; item = item->Next() )
{
if( !item->IsOnLayer( layer ) )
continue;
switch( item->Type() )
{
case PCB_LINE_T:
( (DRAWSEGMENT*) item )->TransformShapeWithClearanceToPolygon(
bufferPolys, 0, segcountforcircle, correctionFactor );
break;
case PCB_TEXT_T:
( (TEXTE_PCB*) item )->TransformShapeWithClearanceToPolygonSet(
bufferPolys, 0, segcountforcircle, correctionFactor );
break;
default:
break;
}
}
for( MODULE* module = pcb->m_Modules; module; module = module->Next() )
{
if( layer == F_SilkS || layer == B_SilkS )
{
D_PAD* pad = module->Pads();
int linewidth = g_DrawDefaultLineThickness;
for( ; pad; pad = pad->Next() )
{
if( !pad->IsOnLayer( layer ) )
continue;
BuildPadShapeThickOutlineAsPolygon( pad, bufferPolys,
linewidth, segcountforcircle, correctionFactor );
}
}
else
module->TransformPadsShapesWithClearanceToPolygon( layer,
bufferPolys, 0, segcountforcircle, correctionFactor );
module->TransformGraphicShapesWithClearanceToPolygonSet( layer,
bufferPolys, 0, segcountforcircle, correctionFactor );
}
// Draw non copper zones
if( isEnabled( FL_ZONE ) )
{
for( int ii = 0; ii < pcb->GetAreaCount(); ii++ )
{
ZONE_CONTAINER* zone = pcb->GetArea( ii );
if( !zone->IsOnLayer( layer ) )
continue;
zone->TransformSolidAreasShapesToPolygonSet(
bufferPolys, segcountLowQuality, correctionFactorLQ );
}
}
// bufferPolys contains polygons to merge. Many overlaps .
// Calculate merged polygons and remove pads and vias holes
if( bufferPolys.GetCornersCount() == 0 )
continue;
KI_POLYGON_SET currLayerPolyset;
KI_POLYGON_SET polyset;
// Solder mask layers are "negative" layers.
// Shapes should be removed from the full board area.
if( layer == B_Mask || layer == F_Mask )
{
bufferPcbOutlines.ExportTo( currLayerPolyset );
bufferPolys.Append( allLayerHoles );
bufferPolys.ExportTo( polyset );
currLayerPolyset -= polyset;
}
// Remove holes from Solder paste layers and siklscreen
else if( layer == B_Paste || layer == F_Paste
|| layer == B_SilkS || layer == F_SilkS )
{
bufferPolys.ExportTo( currLayerPolyset );
currLayerPolyset -= brdpolysetHoles;
}
else // usuall layers, merge polys built from each item shape:
{
bufferPolys.ExportTo( polyset );
currLayerPolyset += polyset;
}
int thickness = GetPrm3DVisu().GetLayerObjectThicknessBIU( layer );
int zpos = GetPrm3DVisu().GetLayerZcoordBIU( layer );
if( layer == Edge_Cuts )
{
thickness = GetPrm3DVisu().GetLayerZcoordBIU( F_Cu )
- GetPrm3DVisu().GetLayerZcoordBIU( B_Cu );
zpos = GetPrm3DVisu().GetLayerZcoordBIU( B_Cu )
+ (thickness / 2);
}
else
{
// for Draw3D_SolidHorizontalPolyPolygons, zpos it the middle between bottom and top
// sides.
// However for top layers, zpos should be the bottom layer pos,
// and for bottom layers, zpos should be the top layer pos.
if( Get3DLayer_Z_Orientation( layer ) > 0 )
zpos += thickness/2;
else
zpos -= thickness/2 ;
}
bufferPolys.RemoveAllContours();
bufferPolys.ImportFrom( currLayerPolyset );
setGLTechLayersColor( layer );
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
Draw3D_SolidHorizontalPolyPolygons( bufferPolys, zpos,
thickness, GetPrm3DVisu().m_BiuTo3Dunits, useTextures );
}
}
/**
* Function BuildBoard3DAuxLayers
* Called by CreateDrawGL_List()
* Fills the OpenGL GL_ID_BOARD draw list with items
* on aux layers only
*/
void EDA_3D_CANVAS::BuildBoard3DAuxLayers()
{
const int segcountforcircle = 18;
double correctionFactor = 1.0 / cos( M_PI / (segcountforcircle * 2) );
BOARD* pcb = GetBoard();
CPOLYGONS_LIST bufferPolys;
bufferPolys.reserve( 5000 ); // Reserve for items not on board
static const LAYER_ID sequence[] = {
Dwgs_User,
Cmts_User,
Eco1_User,
Eco2_User,
Edge_Cuts,
Margin
};
for( LSEQ aux( sequence, sequence+DIM(sequence) ); aux; ++aux )
{
LAYER_ID layer = *aux;
if( !is3DLayerEnabled( layer ) )
continue;
bufferPolys.RemoveAllContours();
for( BOARD_ITEM* item = pcb->m_Drawings; item; item = item->Next() )
{
if( !item->IsOnLayer( layer ) )
continue;
switch( item->Type() )
{
case PCB_LINE_T:
( (DRAWSEGMENT*) item )->TransformShapeWithClearanceToPolygon(
bufferPolys, 0, segcountforcircle, correctionFactor );
break;
case PCB_TEXT_T:
( (TEXTE_PCB*) item )->TransformShapeWithClearanceToPolygonSet(
bufferPolys, 0, segcountforcircle, correctionFactor );
break;
default:
break;
}
}
for( MODULE* module = pcb->m_Modules; module; module = module->Next() )
{
module->TransformPadsShapesWithClearanceToPolygon( layer,
bufferPolys,
0,
segcountforcircle,
correctionFactor );
module->TransformGraphicShapesWithClearanceToPolygonSet( layer,
bufferPolys,
0,
segcountforcircle,
correctionFactor );
}
// bufferPolys contains polygons to merge. Many overlaps .
// Calculate merged polygons and remove pads and vias holes
if( bufferPolys.GetCornersCount() == 0 )
continue;
KI_POLYGON_SET currLayerPolyset;
KI_POLYGON_SET polyset;
bufferPolys.ExportTo( polyset );
currLayerPolyset += polyset;
int thickness = GetPrm3DVisu().GetLayerObjectThicknessBIU( layer );
int zpos = GetPrm3DVisu().GetLayerZcoordBIU( layer );
// for Draw3D_SolidHorizontalPolyPolygons,
// zpos it the middle between bottom and top sides.
// However for top layers, zpos should be the bottom layer pos,
// and for bottom layers, zpos should be the top layer pos.
if( Get3DLayer_Z_Orientation( layer ) > 0 )
zpos += thickness/2;
else
zpos -= thickness/2 ;
bufferPolys.RemoveAllContours();
bufferPolys.ImportFrom( currLayerPolyset );
setGLTechLayersColor( layer );
glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
Draw3D_SolidHorizontalPolyPolygons( bufferPolys, zpos,
thickness, GetPrm3DVisu().m_BiuTo3Dunits, false );
}
}
void EDA_3D_CANVAS::CreateDrawGL_List()
{
BOARD* pcb = GetBoard();
wxBusyCursor dummy;
// Build 3D board parameters:
GetPrm3DVisu().InitSettings( pcb );
glColorMaterial( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE );
// Create axis gl list (if it is not shown, the list will be not called
Draw3DAxis();
// Create grid gl list
if( ! m_glLists[GL_ID_GRID] )
{
m_glLists[GL_ID_GRID] = glGenLists( 1 );
glNewList( m_glLists[GL_ID_GRID], GL_COMPILE );
Draw3DGrid( GetPrm3DVisu().m_3D_Grid );
glEndList();
}
// Create Board full gl lists:
// For testing purpose only, display calculation time to generate 3D data
// #define PRINT_CALCULATION_TIME
#ifdef PRINT_CALCULATION_TIME
unsigned strtime = GetRunningMicroSecs();
#endif
if( ! m_glLists[GL_ID_BOARD] )
{
m_glLists[GL_ID_BOARD] = glGenLists( 1 );
m_glLists[GL_ID_BODY] = glGenLists( 1 );
BuildBoard3DView(m_glLists[GL_ID_BOARD], m_glLists[GL_ID_BODY]);
CheckGLError( __FILE__, __LINE__ );
}
if( ! m_glLists[GL_ID_TECH_LAYERS] )
{
m_glLists[GL_ID_TECH_LAYERS] = glGenLists( 1 );
glNewList( m_glLists[GL_ID_TECH_LAYERS], GL_COMPILE );
BuildTechLayers3DView();
glEndList();
CheckGLError( __FILE__, __LINE__ );
}
if( ! m_glLists[GL_ID_AUX_LAYERS] )
{
m_glLists[GL_ID_AUX_LAYERS] = glGenLists( 1 );
glNewList( m_glLists[GL_ID_AUX_LAYERS], GL_COMPILE );
BuildBoard3DAuxLayers();
glEndList();
CheckGLError( __FILE__, __LINE__ );
}
// draw modules 3D shapes
if( ! m_glLists[GL_ID_3DSHAPES_SOLID_FRONT] && isEnabled( FL_MODULE ) )
{
m_glLists[GL_ID_3DSHAPES_SOLID_FRONT] = glGenLists( 1 );
// GL_ID_3DSHAPES_TRANSP_FRONT is an auxiliary list for 3D shapes;
// Ensure it is cleared before rebuilding it
if( m_glLists[GL_ID_3DSHAPES_TRANSP_FRONT] )
glDeleteLists( m_glLists[GL_ID_3DSHAPES_TRANSP_FRONT], 1 );
m_glLists[GL_ID_3DSHAPES_TRANSP_FRONT] = glGenLists( 1 );
BuildFootprintShape3DList( m_glLists[GL_ID_3DSHAPES_SOLID_FRONT],
m_glLists[GL_ID_3DSHAPES_TRANSP_FRONT], false );
CheckGLError( __FILE__, __LINE__ );
m_glLists[GL_ID_SHADOW_FRONT] = glGenLists( 1 );
m_glLists[GL_ID_SHADOW_BACK] = glGenLists( 1 );
m_glLists[GL_ID_SHADOW_BOARD] = glGenLists( 1 );
BuildShadowList(m_glLists[GL_ID_SHADOW_FRONT], m_glLists[GL_ID_SHADOW_BACK], m_glLists[GL_ID_SHADOW_BOARD]);
CheckGLError( __FILE__, __LINE__ );
}
#ifdef PRINT_CALCULATION_TIME
unsigned endtime = GetRunningMicroSecs();
wxString msg;
msg.Printf( "Built data %.1f ms", (double) (endtime - strtime) / 1000 );
Parent()->SetStatusText( msg, 0 );
#endif
}
void EDA_3D_CANVAS::BuildFootprintShape3DList( GLuint aOpaqueList,
GLuint aTransparentList, bool aSideToLoad)
{
// aOpaqueList is the gl list for non transparent items
// aTransparentList is the gl list for non transparent items,
// which need to be drawn after all other items
BOARD* pcb = GetBoard();
glNewList( aOpaqueList, GL_COMPILE );
bool loadTransparentObjects = false;
for( MODULE* module = pcb->m_Modules; module; module = module->Next() )
module->ReadAndInsert3DComponentShape( this, !loadTransparentObjects,
loadTransparentObjects, aSideToLoad );
glEndList();
glNewList( aTransparentList, GL_COMPILE );
loadTransparentObjects = true;
for( MODULE* module = pcb->m_Modules; module; module = module->Next() )
module->ReadAndInsert3DComponentShape( this, !loadTransparentObjects,
loadTransparentObjects, aSideToLoad );
glEndList();
}
void MODULE::ReadAndInsert3DComponentShape( EDA_3D_CANVAS* glcanvas,
bool aAllowNonTransparentObjects,
bool aAllowTransparentObjects,
bool aSideToLoad )
{
// Read from disk and draws the footprint 3D shapes if exists
double zpos = glcanvas->GetPrm3DVisu().GetModulesZcoord3DIU( IsFlipped() );
glPushMatrix();
glTranslatef( m_Pos.x * glcanvas->GetPrm3DVisu().m_BiuTo3Dunits,
-m_Pos.y * glcanvas->GetPrm3DVisu().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 );
}
S3D_MASTER* shape3D = Models();
for( ; shape3D; shape3D = shape3D->Next() )
{
shape3D->SetLoadNonTransparentObjects( aAllowNonTransparentObjects );
shape3D->SetLoadTransparentObjects( aAllowTransparentObjects );
if( shape3D->Is3DType( S3D_MASTER::FILE3D_VRML ) )
{
glPushMatrix();
shape3D->ReadData();
glPopMatrix();
}
}
glPopMatrix();
}
bool EDA_3D_CANVAS::is3DLayerEnabled( LAYER_ID aLayer ) const
{
DISPLAY3D_FLG flg;
// see if layer needs to be shown
// check the flags
switch( aLayer )
{
case B_Adhes:
case F_Adhes:
flg = FL_ADHESIVE;
break;
case B_Paste:
case F_Paste:
flg = FL_SOLDERPASTE;
break;
case B_SilkS:
case F_SilkS:
flg = FL_SILKSCREEN;
break;
case B_Mask:
case F_Mask:
flg = FL_SOLDERMASK;
break;
case Dwgs_User:
case Cmts_User:
if( isRealisticMode() )
return false;
flg = FL_COMMENTS;
break;
case Eco1_User:
case Eco2_User:
if( isRealisticMode() )
return false;
flg = FL_ECO;
break;
case B_Cu:
case F_Cu:
return GetPrm3DVisu().m_BoardSettings->IsLayerVisible( aLayer )
|| isRealisticMode();
break;
default:
// the layer is an internal copper layer, used the visibility
//
if( isRealisticMode() )
return false;
return GetPrm3DVisu().m_BoardSettings->IsLayerVisible( aLayer );
}
// The layer has a flag, return the flag
return isEnabled( flg );
}
GLfloat Get3DLayer_Z_Orientation( LAYER_NUM aLayer )
{
double nZ = 1.0;
if( ( aLayer == B_Cu )
|| ( aLayer == B_Adhes )
|| ( aLayer == B_Paste )
|| ( aLayer == B_SilkS )
|| ( aLayer == B_Mask ) )
nZ = -1.0;
return nZ;
}
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