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kicad/gerbview/gerber_file_image.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 1992-2019 Jean-Pierre Charras jp.charras at wanadoo.fr
* Copyright (C) 1992-2023 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
*/
#include <gerbview.h>
#include <gerbview_frame.h>
#include <gerber_file_image.h>
#include <macros.h>
#include <X2_gerber_attributes.h>
#include <algorithm>
#include <map>
#include <core/arraydim.h>
#include <core/profile.h>
/**
* Function scaletoIU
* converts a distance given in floating point to our internal units
*/
extern int scaletoIU( double aCoord, bool isMetric ); // defined it rs274d_read_XY_and_IJ_coordinates.cpp
/* Format Gerber: NOTES:
* Tools and D_CODES
* tool number (identification of shapes)
* 1 to 999
*
* D_CODES:
* D01 ... D9 = action codes:
* D01 = activating light (lower pen) when di placement
* D02 = light extinction (lift pen) when di placement
* D03 Flash
* D09 = VAPE Flash
* D10 ... = Identification Tool (Opening)
*
* For tools:
* DCode min = D10
* DCode max = 999
*/
GERBER_LAYER::GERBER_LAYER()
{
ResetDefaultValues();
}
GERBER_LAYER::~GERBER_LAYER()
{
}
void GERBER_LAYER::ResetDefaultValues()
{
m_LayerName = wxT( "no name" ); // Layer name from the LN command
m_LayerNegative = false; // true = Negative Layer
m_StepForRepeat.x = m_StepForRepeat.y = 0; // X and Y offsets for Step and Repeat command
m_XRepeatCount = 1; // The repeat count on X axis
m_YRepeatCount = 1; // The repeat count on Y axis
m_StepForRepeatMetric = false; // false = Inches, true = metric
}
GERBER_FILE_IMAGE::GERBER_FILE_IMAGE( int aLayer ) :
EDA_ITEM( nullptr, GERBER_IMAGE_T )
{
m_GraphicLayer = aLayer; // Graphic layer Number
m_PositiveDrawColor = WHITE; // The color used to draw positive items for this image
m_Selected_Tool = 0;
m_FileFunction = nullptr; // file function parameters
ResetDefaultValues();
for( unsigned ii = 0; ii < arrayDim( m_Aperture_List ); ii++ )
m_Aperture_List[ii] = nullptr;
}
GERBER_FILE_IMAGE::~GERBER_FILE_IMAGE()
{
// Reverse iteration to avoid O(N^2) memcpy in a vector erase downstream.
// It results in a O(N^2) std::find, which is somewhat faster.
for( auto it = GetItems().rbegin(); it < GetItems().rend(); it++ )
delete *it;
m_drawings.clear();
for( unsigned ii = 0; ii < arrayDim( m_Aperture_List ); ii++ )
delete m_Aperture_List[ii];
delete m_FileFunction;
}
void GERBER_FILE_IMAGE::SetDrawOffetAndRotation( VECTOR2D aOffsetMM, EDA_ANGLE aRotation )
{
m_DisplayOffset.x = KiROUND( aOffsetMM.x * gerbIUScale.IU_PER_MM );
m_DisplayOffset.y = KiROUND( aOffsetMM.y * gerbIUScale.IU_PER_MM );
m_DisplayRotation = aRotation;
// Clear m_AbsolutePolygon member of Gerber items, because draw coordinates
// are now outdated
for( GERBER_DRAW_ITEM* item : GetItems() )
item->m_AbsolutePolygon.RemoveAllContours();
}
D_CODE* GERBER_FILE_IMAGE::GetDCODEOrCreate( int aDCODE, bool aCreateIfNoExist )
{
unsigned ndx = aDCODE - FIRST_DCODE;
if( ndx < (unsigned) arrayDim( m_Aperture_List ) )
{
// lazily create the D_CODE if it does not exist.
if( aCreateIfNoExist )
{
if( m_Aperture_List[ndx] == nullptr )
m_Aperture_List[ndx] = new D_CODE( ndx + FIRST_DCODE );
}
return m_Aperture_List[ndx];
}
return nullptr;
}
D_CODE* GERBER_FILE_IMAGE::GetDCODE( int aDCODE ) const
{
unsigned ndx = aDCODE - FIRST_DCODE;
if( ndx < (unsigned) arrayDim( m_Aperture_List ) )
return m_Aperture_List[ndx];
return nullptr;
}
APERTURE_MACRO* GERBER_FILE_IMAGE::FindApertureMacro( const APERTURE_MACRO& aLookup )
{
APERTURE_MACRO_SET::iterator iter = m_aperture_macros.find( aLookup );
if( iter != m_aperture_macros.end() )
{
APERTURE_MACRO* pam = (APERTURE_MACRO*) &(*iter);
return pam;
}
return nullptr; // not found
}
void GERBER_FILE_IMAGE::ResetDefaultValues()
{
m_InUse = false;
m_GBRLayerParams.ResetDefaultValues();
m_FileName.Empty();
m_ImageName = wxEmptyString; // Image name from the IN command (deprecated)
m_ImageNegative = false; // true = Negative image
m_IsX2_file = false; // true only if a %TF, %TA or %TD command
delete m_FileFunction; // file function parameters
m_FileFunction = nullptr;
m_MD5_value.Empty(); // MD5 value found in a %TF.MD5 command
m_PartString.Empty(); // string found in a %TF.Part command
m_hasNegativeItems = -1; // set to uninitialized
m_ImageJustifyOffset = VECTOR2I( 0, 0 ); // Image justify Offset
m_ImageJustifyXCenter = false; // Image Justify Center on X axis (default = false)
m_ImageJustifyYCenter = false; // Image Justify Center on Y axis (default = false)
m_GerbMetric = false; // false = Inches (default), true = metric
m_Relative = false; // false = absolute Coord,
// true = relative Coord
m_NoTrailingZeros = false; // true: trailing zeros deleted
m_ImageOffset.x = m_ImageOffset.y = 0; // Coord Offset, from IO command
m_ImageRotation = 0; // Allowed 0, 90, 180, 270 (in degree)
m_LocalRotation = 0.0; // Layer rotation from RO command (in 0.1 degree)
m_Offset.x = 0;
m_Offset.y = 0; // Coord Offset, from OF command
m_Scale.x = m_Scale.y = 1.0; // scale (A and B) this layer
m_MirrorA = false; // true: mirror / axe A (default = X)
m_MirrorB = false; // true: mirror / axe B (default = Y)
m_SwapAxis = false; // false if A = X, B = Y; true if A =Y, B = Y
m_Has_DCode = false; // true = DCodes in file
// false = no DCode-> perhaps deprecated RS274D file
m_Has_MissingDCode = false; // true = some D_Codes are used, but not defined
// perhaps deprecated RS274D file
m_FmtScale.x = m_FmtScale.y = 4; // Initialize default format to 3.4 => 4
m_FmtLen.x = m_FmtLen.y = 3 + 4; // Initialize default format len = 3+4
m_Iterpolation = GERB_INTERPOL_LINEAR_1X; // Linear, 90 arc, Circ.
m_360Arc_enbl = true; // 360 deg circular mode (G75) selected as default
// interpolation disable
m_AsArcG74G75Cmd = false; // false until a G74 or G75 command is found
m_Current_Tool = 0; // Current Dcode selected
m_CommandState = 0; // State of the current command
m_CurrentPos.x = m_CurrentPos.y = 0; // current specified coord
m_PreviousPos.x = m_PreviousPos.y = 0; // last specified coord
m_IJPos.x = m_IJPos.y = 0; // current centre coord for
// plot arcs & circles
m_LastCoordIsIJPos = false; // True only after a IJ coordinate is read
m_ArcRadius = 0; // radius of arcs in circular interpol (given by A## command).
// in command like X##Y##A##
m_LastArcDataType = ARC_INFO_TYPE_NONE; // Extra coordinate info type for arcs
// (radius or IJ center coord)
m_LineNum = 0; // line number in file being read
m_Current_File = nullptr; // Gerber file to read
m_PolygonFillMode = false;
m_PolygonFillModeState = 0;
m_Selected_Tool = 0;
m_Last_Pen_Command = 0;
m_Exposure = false;
m_DisplayOffset.x = m_DisplayOffset.y = 0;
m_DisplayRotation = ANGLE_0;
}
/* Function HasNegativeItems
* return true if at least one item must be drawn in background color
* used to optimize screen refresh
*/
bool GERBER_FILE_IMAGE::HasNegativeItems()
{
if( m_hasNegativeItems < 0 ) // negative items are not yet searched: find them if any
{
if( m_ImageNegative ) // A negative layer is expected having always negative objects.
{
m_hasNegativeItems = 1;
}
else
{
m_hasNegativeItems = 0;
for( GERBER_DRAW_ITEM* item : GetItems() )
{
if( item->GetLayer() != m_GraphicLayer )
continue;
if( item->HasNegativeItems() )
{
m_hasNegativeItems = 1;
break;
}
}
}
}
return m_hasNegativeItems == 1;
}
int GERBER_FILE_IMAGE::GetDcodesCount()
{
int count = 0;
for( unsigned ii = 0; ii < arrayDim( m_Aperture_List ); ii++ )
{
if( m_Aperture_List[ii] )
{
if( m_Aperture_List[ii]->m_InUse || m_Aperture_List[ii]->m_Defined )
++count;
}
}
return count;
}
/**
* Function StepAndRepeatItem
* Gerber format has a command Step an Repeat
* This function must be called when reading a gerber file and
* after creating a new gerber item that must be repeated
* (i.e when m_XRepeatCount or m_YRepeatCount are > 1)
* @param aItem = the item to repeat
*/
void GERBER_FILE_IMAGE::StepAndRepeatItem( const GERBER_DRAW_ITEM& aItem )
{
if( GetLayerParams().m_XRepeatCount < 2 && GetLayerParams().m_YRepeatCount < 2 )
return; // Nothing to repeat
// Duplicate item:
for( int ii = 0; ii < GetLayerParams().m_XRepeatCount; ii++ )
{
for( int jj = 0; jj < GetLayerParams().m_YRepeatCount; jj++ )
{
// the first gerber item already exists (this is the template)
// create duplicate only if ii or jj > 0
if( jj == 0 && ii == 0 )
continue;
GERBER_DRAW_ITEM* dupItem = new GERBER_DRAW_ITEM( aItem );
VECTOR2I move_vector;
move_vector.x = scaletoIU( ii * GetLayerParams().m_StepForRepeat.x,
GetLayerParams().m_StepForRepeatMetric );
move_vector.y = scaletoIU( jj * GetLayerParams().m_StepForRepeat.y,
GetLayerParams().m_StepForRepeatMetric );
dupItem->MoveXY( move_vector );
AddItemToList( dupItem );
}
}
}
/**
* Function DisplayImageInfo
* has knowledge about the frame and how and where to put status information
* about this object into the frame's message panel.
* Display info about Image Parameters.
* These parameters are valid for the entire file, and must set only once
* (If more than once, only the last value is used)
* Some are deprecated
*/
void GERBER_FILE_IMAGE::DisplayImageInfo( GERBVIEW_FRAME* aMainFrame )
{
wxString msg;
aMainFrame->ClearMsgPanel();
// Display the Gerber variant (X1 / X2
aMainFrame->AppendMsgPanel( _( "Format" ), m_IsX2_file ? wxT( "X2" ) : wxT( "X1" ) );
// Display Image name (Image specific). IM command (Image Name) is deprecated
// So non empty image name is very rare, probably never found
if( !m_ImageName.IsEmpty() )
aMainFrame->AppendMsgPanel( _( "Image name" ), m_ImageName );
// Display graphic layer number used to draw this Image
// (not a Gerber parameter but is also image specific)
msg.Printf( wxT( "%d" ), m_GraphicLayer + 1 );
aMainFrame->AppendMsgPanel( _( "Graphic layer" ), msg );
// Display Image rotation (Image specific)
msg.Printf( wxT( "%d" ), m_ImageRotation );
aMainFrame->AppendMsgPanel( _( "Img Rot." ), msg );
// Display Image polarity (Image specific)
msg = m_ImageNegative ? _("Negative") : _("Normal");
aMainFrame->AppendMsgPanel( _( "Polarity" ), msg );
// Display Image justification and offset for justification (Image specific)
msg = m_ImageJustifyXCenter ? _("Center") : _("Normal");
aMainFrame->AppendMsgPanel( _( "X Justify" ), msg );
msg = m_ImageJustifyYCenter ? _("Center") : _("Normal");
aMainFrame->AppendMsgPanel( _( "Y Justify" ), msg );
msg.Printf( wxT( "X=%s Y=%s" ),
aMainFrame->MessageTextFromValue( m_ImageJustifyOffset.x ),
aMainFrame->MessageTextFromValue( m_ImageJustifyOffset.y ) );
aMainFrame->AppendMsgPanel( _( "Image Justify Offset" ), msg );
}
void GERBER_FILE_IMAGE::RemoveAttribute( X2_ATTRIBUTE& aAttribute )
{
/* Called when a %TD command is found
* Remove the attribute specified by the %TD command.
* is no attribute, all current attributes specified by the %TO and the %TA
* commands are cleared.
* if a attribute name is specified (for instance %TD.CN*%) is specified,
* only this attribute is cleared
*/
wxString cmd = aAttribute.GetPrm( 0 );
m_NetAttributeDict.ClearAttribute( &cmd );
if( cmd.IsEmpty() || cmd == wxT( ".AperFunction" ) )
m_AperFunction.Clear();
}
INSPECT_RESULT GERBER_FILE_IMAGE::Visit( INSPECTOR inspector, void* testData,
const std::vector<KICAD_T>& aScanTypes )
{
for( KICAD_T scanType : aScanTypes )
{
if( scanType == GERBER_DRAW_ITEM_T )
{
if( IterateForward( GetItems(), inspector, testData, { scanType } ) == INSPECT_RESULT::QUIT )
return INSPECT_RESULT::QUIT;
}
}
return INSPECT_RESULT::CONTINUE;
}
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