kicad/pcbnew/plothpgl.cpp

145 lines
4.6 KiB
C++

/**
* @file plothpgl.cpp
*/
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2012 KiCad Developers, see change_log.txt for contributors.
* Copyright (C) 2012 Dick Hollenbeck, dick@softplc.com
*
* 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
*/
#include <fctsys.h>
#include <common.h>
#include <plot_common.h>
#include <wxBasePcbFrame.h>
#include <class_board.h>
#include <pcbnew.h>
#include <pcbplot.h>
#include <convert_to_biu.h>
bool PCB_BASE_FRAME::ExportToHpglFile( const wxString& aFullFileName, int aLayer,
EDA_DRAW_MODE_T aTraceMode )
{
wxSize boardSize;
wxPoint boardCenter;
bool center = false;
double scale;
wxPoint offset;
LOCALE_IO toggle;
FILE* output_file = wxFopen( aFullFileName, wxT( "wt" ) );
if( output_file == NULL )
{
return false;
}
PCB_PLOT_PARAMS plot_opts = GetPlotSettings();
// Compute pen_dim (from m_HPGLPenDiam in mils) in pcb units,
// with plot scale (if Scale is 2, pen diameter value is always m_HPGLPenDiam
// so apparent pen diam is real pen diam / Scale
int pen_diam = KiROUND( plot_opts.m_HPGLPenDiam * IU_PER_MILS /
plot_opts.m_PlotScale );
// compute pen_overlay (from m_HPGLPenOvr in mils) in pcb units
// with plot scale
if( plot_opts.m_HPGLPenOvr < 0 )
plot_opts.m_HPGLPenOvr = 0;
if( plot_opts.m_HPGLPenOvr >= plot_opts.m_HPGLPenDiam )
plot_opts.m_HPGLPenOvr = plot_opts.m_HPGLPenDiam - 1;
int pen_overlay = KiROUND( plot_opts.m_HPGLPenOvr * IU_PER_MILS /
plot_opts.m_PlotScale );
if( plot_opts.m_PlotScale != 1.0 || plot_opts.m_AutoScale )
{
// when scale != 1.0 we must calculate the position in page
// because actual position has no meaning
center = true;
}
wxSize pageSizeIU = GetPageSizeIU();
// Calculate the center of the PCB
EDA_RECT bbbox = GetBoardBoundingBox();
boardSize = bbbox.GetSize();
boardCenter = bbbox.Centre();
if( plot_opts.m_AutoScale ) // Optimum scale
{
// Fit to 80% of the page
double Xscale = ( ( pageSizeIU.x * 0.8 ) / boardSize.x );
double Yscale = ( ( pageSizeIU.y * 0.8 ) / boardSize.y );
scale = std::min( Xscale, Yscale );
}
else
{
scale = plot_opts.m_PlotScale;
}
// Calculate the page size offset.
if( center )
{
offset.x = KiROUND( (double) boardCenter.x -
( (double) pageSizeIU.x / 2.0 ) / scale );
offset.y = KiROUND( (double) boardCenter.y -
( (double) pageSizeIU.y / 2.0 ) / scale );
}
else
{
offset.x = 0;
offset.y = 0;
}
HPGL_PLOTTER* plotter = new HPGL_PLOTTER();
plotter->SetPageSettings( GetPageSettings() );
// why did we have to change these settings above?
SetPlotSettings( plot_opts );
plotter->SetViewport( offset, IU_PER_DECIMILS, scale,
plot_opts.m_PlotMirror );
plotter->SetDefaultLineWidth( plot_opts.m_PlotLineWidth );
plotter->SetCreator( wxT( "PCBNEW-HPGL" ) );
plotter->SetFilename( aFullFileName );
plotter->SetPenSpeed( plot_opts.m_HPGLPenSpeed );
plotter->SetPenNumber( plot_opts.m_HPGLPenNum );
plotter->SetPenOverlap( pen_overlay );
plotter->SetPenDiameter( pen_diam );
plotter->StartPlot( output_file );
// The worksheet is not significant with scale!=1... It is with paperscale!=1, anyway
if( plot_opts.m_PlotFrameRef && !center )
PlotWorkSheet( plotter, GetScreen(), plot_opts.GetPlotLineWidth() );
Plot_Layer( plotter, aLayer, aTraceMode );
plotter->EndPlot();
delete plotter;
return true;
}