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kicad/gerbview/class_aperture_macro.cpp

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/**
* @file class_aperture_macro.cpp
*/
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 1992-2010 Jean-Pierre Charras <jean-pierre.charras@gipsa-lab.inpg.fr>
* Copyright (C) 2010 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 1992-2010 KiCad Developers, see change_log.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 <fctsys.h>
#include <common.h>
#include <macros.h>
#include <trigo.h>
#include <gr_basic.h>
#include <gerbview.h>
#include <class_GERBER.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_coordiantes.cpp
/**
* Function mapPt
* translates a point from the aperture macro coordinate system to our
* deci-mils coordinate system.
* @return wxPoint - The GerbView coordinate system vector.
*/
static wxPoint mapPt( double x, double y, bool isMetric )
{
wxPoint ret( scaletoIU( x, isMetric ), scaletoIU( y, isMetric ) );
return ret;
}
/**
* Function mapExposure
* translates the first parameter from an aperture macro into a current
* exposure setting.
* @param aParent = a GERBER_DRAW_ITEM that handle:
* ** m_Exposure A dynamic setting which can change throughout the
* reading of the gerber file, and it indicates whether the current tool
* is lit or not.
* ** m_ImageNegative A dynamic setting which can change throughout the reading
* of the gerber file, and it indicates whether the current D codes are to
* be interpreted as erasures or not.
* @return true to draw with current color, false to draw with alt color (erase)
*/
bool AM_PRIMITIVE::mapExposure( GERBER_DRAW_ITEM* aParent )
{
bool exposure;
switch( primitive_id )
{
case AMP_CIRCLE:
case AMP_LINE2:
case AMP_LINE20:
case AMP_LINE_CENTER:
case AMP_LINE_LOWER_LEFT:
case AMP_OUTLINE:
case AMP_THERMAL:
case AMP_POLYGON:
// All have an exposure parameter and can return true or false
switch( GetExposure(aParent) )
{
case 0: // exposure always OFF
exposure = false;
break;
default:
case 1: // exposure always OON
exposure = true;
break;
case 2: // reverse exposure
exposure = !aParent->GetLayerPolarity();
}
break;
case AMP_MOIRE:
case AMP_EOF:
case AMP_UNKNOWN:
default:
return true; // All have no exposure parameter and must return true (no change for exposure)
break;
}
return exposure ^ aParent->m_imageParams->m_ImageNegative;
}
/**
* Function GetExposure
* returns the first parameter in integer form. Some but not all primitives
* use the first parameter as an exposure control.
*/
int AM_PRIMITIVE::GetExposure(GERBER_DRAW_ITEM* aParent) const
{
// No D_CODE* for GetValue()
wxASSERT( params.size() && params[0].IsImmediate() );
return (int) params[0].GetValue( aParent->GetDcodeDescr() );
}
/**
* Function DrawBasicShape
* Draw the primitive shape for flashed items.
*/
void AM_PRIMITIVE::DrawBasicShape( GERBER_DRAW_ITEM* aParent,
EDA_RECT* aClipBox,
wxDC* aDC,
int aColor, int aAltColor,
wxPoint aShapePos,
bool aFilledShape )
{
static std::vector<wxPoint> polybuffer; // create a static buffer to avoid a lot of memory reallocation
polybuffer.clear();
wxPoint curPos = aShapePos;
D_CODE* tool = aParent->GetDcodeDescr();
int rotation;
if( mapExposure( aParent ) == false )
{
EXCHG(aColor, aAltColor);
}
switch( primitive_id )
{
case AMP_CIRCLE: // Circle, given diameter and position
{
/* Generated by an aperture macro declaration like:
* "1,1,0.3,0.5, 1.0*"
* type (1), exposure, diameter, pos.x, pos.y
* type is not stored in parameters list, so the first parameter is exposure
*/
curPos += mapPt( params[2].GetValue( tool ), params[3].GetValue( tool ), m_GerbMetric );
curPos = aParent->GetABPosition( curPos );
int radius = scaletoIU( params[1].GetValue( tool ), m_GerbMetric ) / 2;
if( !aFilledShape )
GRCircle( aClipBox, aDC, curPos, radius, 0, aColor );
else
GRFilledCircle( aClipBox, aDC, curPos, radius, aColor );
}
break;
case AMP_LINE2:
case AMP_LINE20: // Line with rectangle ends. (Width, start and end pos + rotation)
{
/* Generated by an aperture macro declaration like:
* "2,1,0.3,0,0, 0.5, 1.0,-135*"
* type (2), exposure, width, start.x, start.y, end.x, end.y, rotation
* type is not stored in parameters list, so the first parameter is exposure
*/
ConvertShapeToPolygon( aParent, polybuffer );
// shape rotation:
rotation = KiROUND( params[6].GetValue( tool ) * 10.0 );
if( rotation )
{
for( unsigned ii = 0; ii < polybuffer.size(); ii++ )
RotatePoint( &polybuffer[ii], -rotation );
}
// Move to current position:
for( unsigned ii = 0; ii < polybuffer.size(); ii++ )
{
polybuffer[ii] += curPos;
polybuffer[ii] = aParent->GetABPosition( polybuffer[ii] );
}
GRClosedPoly( aClipBox, aDC,
polybuffer.size(), &polybuffer[0], aFilledShape, aColor, aColor );
}
break;
case AMP_LINE_CENTER:
{
/* Generated by an aperture macro declaration like:
* "21,1,0.3,0.03,0,0,-135*"
* type (21), exposure, ,width, height, center pos.x, center pos.y, rotation
* type is not stored in parameters list, so the first parameter is exposure
*/
ConvertShapeToPolygon( aParent, polybuffer );
// shape rotation:
rotation = KiROUND( params[5].GetValue( tool ) * 10.0 );
if( rotation )
{
for( unsigned ii = 0; ii < polybuffer.size(); ii++ )
RotatePoint( &polybuffer[ii], -rotation );
}
// Move to current position:
for( unsigned ii = 0; ii < polybuffer.size(); ii++ )
{
polybuffer[ii] += curPos;
polybuffer[ii] = aParent->GetABPosition( polybuffer[ii] );
}
GRClosedPoly( aClipBox, aDC,
polybuffer.size(), &polybuffer[0], aFilledShape, aColor, aColor );
}
break;
case AMP_LINE_LOWER_LEFT:
{
/* Generated by an aperture macro declaration like:
* "22,1,0.3,0.03,0,0,-135*"
* type (22), exposure, ,width, height, corner pos.x, corner pos.y, rotation
* type is not stored in parameters list, so the first parameter is exposure
*/
ConvertShapeToPolygon( aParent, polybuffer );
// shape rotation:
rotation = KiROUND( params[5].GetValue( tool ) * 10.0 );
if( rotation )
{
for( unsigned ii = 0; ii < polybuffer.size(); ii++ )
RotatePoint( &polybuffer[ii], -rotation );
}
// Move to current position:
for( unsigned ii = 0; ii < polybuffer.size(); ii++ )
{
polybuffer[ii] += curPos;
polybuffer[ii] = aParent->GetABPosition( polybuffer[ii] );
}
GRClosedPoly( aClipBox, aDC,
polybuffer.size(), &polybuffer[0], aFilledShape, aColor, aColor );
}
break;
case AMP_THERMAL:
{
/* Generated by an aperture macro declaration like:
* "7, 0,0,1.0,0.3,0.01,-13*"
* type (7), center.x , center.y, outside diam, inside diam, crosshair thickness, rotation
* type is not stored in parameters list, so the first parameter is center.x
*/
curPos += mapPt( params[0].GetValue( tool ), params[1].GetValue( tool ), m_GerbMetric );
ConvertShapeToPolygon( aParent, polybuffer );
// shape rotation:
rotation = KiROUND( params[5].GetValue( tool ) * 10.0 );
// Because a thermal shape has 4 identical sub-shapes, only one is created in polybuffer.
// We must draw 4 sub-shapes rotated by 90 deg
std::vector<wxPoint> subshape_poly;
for( int ii = 0; ii < 4; ii++ )
{
subshape_poly = polybuffer;
int sub_rotation = rotation + 900 * ii;
for( unsigned jj = 0; jj < subshape_poly.size(); jj++ )
RotatePoint( &subshape_poly[jj], -sub_rotation );
// Move to current position:
for( unsigned jj = 0; jj < subshape_poly.size(); jj++ )
{
subshape_poly[jj] += curPos;
subshape_poly[jj] = aParent->GetABPosition( subshape_poly[jj] );
}
GRClosedPoly( aClipBox, aDC,
subshape_poly.size(), &subshape_poly[0], true, aAltColor,
aAltColor );
}
}
break;
case AMP_MOIRE: // A cross hair with n concentric circles
{
curPos += mapPt( params[0].GetValue( tool ), params[1].GetValue( tool ),
m_GerbMetric );
/* Generated by an aperture macro declaration like:
* "6,0,0,0.125,.01,0.01,3,0.003,0.150,0"
* type(6), pos.x, pos.y, diam, penwidth, gap, circlecount, crosshair thickness, crosshaire len, rotation
* type is not stored in parameters list, so the first parameter is pos.x
*/
int outerDiam = scaletoIU( params[2].GetValue( tool ), m_GerbMetric );
int penThickness = scaletoIU( params[3].GetValue( tool ), m_GerbMetric );
int gap = scaletoIU( params[4].GetValue( tool ), m_GerbMetric );
int numCircles = KiROUND( params[5].GetValue( tool ) );
// Draw circles:
wxPoint center = aParent->GetABPosition( curPos );
// adjust outerDiam by this on each nested circle
int diamAdjust = (gap + penThickness); //*2; //Should we use * 2 ?
for( int i = 0; i < numCircles; ++i, outerDiam -= diamAdjust )
{
if( outerDiam <= 0 )
break;
if( !aFilledShape )
{
// draw the border of the pen's path using two circles, each as narrow as possible
GRCircle( aClipBox, aDC, center, outerDiam / 2, 0, aColor );
GRCircle( aClipBox, aDC, center, outerDiam / 2 - penThickness, 0, aColor );
}
else // Filled mode
{
GRCircle( aClipBox, aDC, center,
(outerDiam - penThickness) / 2, penThickness, aColor );
}
}
// Draw the cross:
ConvertShapeToPolygon( aParent, polybuffer );
rotation = KiROUND( params[8].GetValue( tool ) * 10.0 );
for( unsigned ii = 0; ii < polybuffer.size(); ii++ )
{
// shape rotation:
RotatePoint( &polybuffer[ii], -rotation );
// Move to current position:
polybuffer[ii] += curPos;
polybuffer[ii] = aParent->GetABPosition( polybuffer[ii] );
}
GRClosedPoly( aClipBox, aDC,
polybuffer.size(), &polybuffer[0], aFilledShape, aColor, aColor );
}
break;
case AMP_OUTLINE:
{
/* Generated by an aperture macro declaration like:
* "4,1,3,0.0,0.0,0.0,0.5,0.5,0.5,0.5,0.0,-25"
* type(4), exposure, corners count, corner1.x, corner.1y, ..., rotation
* type is not stored in parameters list, so the first parameter is exposure
*/
int numPoints = (int) params[1].GetValue( tool );
rotation = KiROUND( params[numPoints * 2 + 4].GetValue( tool ) * 10.0 );
wxPoint pos;
// Read points. numPoints does not include the starting point, so add 1.
for( int i = 0; i<numPoints + 1; ++i )
{
int jj = i * 2 + 2;
pos.x = scaletoIU( params[jj].GetValue( tool ), m_GerbMetric );
pos.y = scaletoIU( params[jj + 1].GetValue( tool ), m_GerbMetric );
polybuffer.push_back(pos);
}
// rotate polygon and move it to the actual position
// shape rotation:
for( unsigned ii = 0; ii < polybuffer.size(); ii++ )
{
RotatePoint( &polybuffer[ii], -rotation );
}
// Move to current position:
for( unsigned ii = 0; ii < polybuffer.size(); ii++ )
{
polybuffer[ii] += curPos;
polybuffer[ii] = aParent->GetABPosition( polybuffer[ii] );
}
GRClosedPoly( aClipBox, aDC,
polybuffer.size(), &polybuffer[0], aFilledShape, aColor, aColor );
}
break;
case AMP_POLYGON: // Is a regular polygon
/* Generated by an aperture macro declaration like:
* "5,1,0.6,0,0,0.5,25"
* type(5), exposure, vertices count, pox.x, pos.y, diameter, rotation
* type is not stored in parameters list, so the first parameter is exposure
*/
curPos += mapPt( params[2].GetValue( tool ), params[3].GetValue( tool ), m_GerbMetric );
// Creates the shape:
ConvertShapeToPolygon( aParent, polybuffer );
// rotate polygon and move it to the actual position
rotation = KiROUND( params[5].GetValue( tool ) * 10.0 );
for( unsigned ii = 0; ii < polybuffer.size(); ii++ )
{
RotatePoint( &polybuffer[ii], -rotation );
polybuffer[ii] += curPos;
polybuffer[ii] = aParent->GetABPosition( polybuffer[ii] );
}
GRClosedPoly( aClipBox, aDC,
polybuffer.size(), &polybuffer[0], aFilledShape, aColor, aColor );
break;
case AMP_EOF:
// not yet supported, waiting for you.
break;
case AMP_UNKNOWN:
default:
D( printf( "AM_PRIMITIVE::DrawBasicShape() err: unknown prim id %d\n",primitive_id) );
break;
}
}
/**
* Function ConvertShapeToPolygon (virtual)
* convert a shape to an equivalent polygon.
* Arcs and circles are approximated by segments
* Useful when a shape is not a graphic primitive (shape with hole,
* rotated shape ... ) and cannot be easily drawn.
* note for some schapes conbining circles and solid lines (rectangles), only rectangles are converted
* because circles are very easy to draw (no rotation problem) so convert them in polygons,
* and draw them as polygons is not a good idea.
*/
void AM_PRIMITIVE::ConvertShapeToPolygon( GERBER_DRAW_ITEM* aParent,
std::vector<wxPoint>& aBuffer )
{
D_CODE* tool = aParent->GetDcodeDescr();
switch( primitive_id )
{
case AMP_CIRCLE: // Circle, currently convertion not needed
break;
case AMP_LINE2:
case AMP_LINE20: // Line with rectangle ends. (Width, start and end pos + rotation)
{
int width = scaletoIU( params[1].GetValue( tool ), m_GerbMetric );
wxPoint start = mapPt( params[2].GetValue( tool ),
params[3].GetValue( tool ), m_GerbMetric );
wxPoint end = mapPt( params[4].GetValue( tool ),
params[5].GetValue( tool ), m_GerbMetric );
wxPoint delta = end - start;
int len = KiROUND( hypot( delta.x, delta.y ) );
// To build the polygon, we must create a horizonta polygon starting to "start"
// and rotate it to have it end point to "end"
wxPoint currpt;
currpt.y += width / 2; // Upper left
aBuffer.push_back( currpt );
currpt.x = len; // Upper right
aBuffer.push_back( currpt );
currpt.y -= width; // lower right
aBuffer.push_back( currpt );
currpt.x = 0; // Upper left
aBuffer.push_back( currpt );
// Rotate rectangle and move it to the actual start point
int angle = KiROUND( atan2( (double) delta.y, (double) delta.x ) * 1800.0 / M_PI );
for( unsigned ii = 0; ii < 4; ii++ )
{
RotatePoint( &aBuffer[ii], -angle );
aBuffer[ii] += start;
}
}
break;
case AMP_LINE_CENTER:
{
wxPoint size = mapPt( params[1].GetValue( tool ), params[2].GetValue( tool ), m_GerbMetric );
wxPoint pos = mapPt( params[3].GetValue( tool ), params[4].GetValue( tool ), m_GerbMetric );
// Build poly:
pos.x -= size.x / 2;
pos.y -= size.y / 2; // Lower left
aBuffer.push_back( pos );
pos.y += size.y; // Upper left
aBuffer.push_back( pos );
pos.x += size.x; // Upper right
aBuffer.push_back( pos );
pos.y -= size.y; // lower right
aBuffer.push_back( pos );
}
break;
case AMP_LINE_LOWER_LEFT:
{
wxPoint size = mapPt( params[1].GetValue( tool ), params[2].GetValue( tool ), m_GerbMetric );
wxPoint lowerLeft = mapPt( params[3].GetValue( tool ), params[4].GetValue(
tool ), m_GerbMetric );
// Build poly:
aBuffer.push_back( lowerLeft );
lowerLeft.y += size.y; // Upper left
aBuffer.push_back( lowerLeft );
lowerLeft.x += size.x; // Upper right
aBuffer.push_back( lowerLeft );
lowerLeft.y -= size.y; // lower right
aBuffer.push_back( lowerLeft );
}
break;
case AMP_THERMAL:
{
// Only 1/4 of the full shape is built, because the other 3 shapes will be draw from this first
// rotated by 90, 180 and 270 deg.
// params = center.x (unused here), center.y (unused here), outside diam, inside diam, crosshair thickness
int outerRadius = scaletoIU( params[2].GetValue( tool ), m_GerbMetric ) / 2;
int innerRadius = scaletoIU( params[3].GetValue( tool ), m_GerbMetric ) / 2;
int halfthickness = scaletoIU( params[4].GetValue( tool ), m_GerbMetric ) / 2;
int angle_start = KiROUND( asin(
(double) halfthickness / innerRadius ) * 1800 / M_PI );
// Draw shape in the first cadrant (X and Y > 0)
wxPoint pos, startpos;
// Inner arc
startpos.x = innerRadius;
int angle_end = 900 - angle_start;
int angle;
for( angle = angle_start; angle < angle_end; angle += 100 )
{
pos = startpos;
RotatePoint( &pos, angle );
aBuffer.push_back( pos );
}
// Last point
pos = startpos;
RotatePoint( &pos, angle_end );
aBuffer.push_back( pos );
// outer arc
startpos.x = outerRadius;
startpos.y = 0;
angle_start = KiROUND( asin( (double) halfthickness / outerRadius ) * 1800 / M_PI );
angle_end = 900 - angle_start;
// First point, near Y axis, outer arc
for( angle = angle_end; angle > angle_start; angle -= 100 )
{
pos = startpos;
RotatePoint( &pos, angle );
aBuffer.push_back( pos );
}
// last point
pos = startpos;
RotatePoint( &pos, angle_start );
aBuffer.push_back( pos );
aBuffer.push_back( aBuffer[0] ); // Close poly
}
break;
case AMP_MOIRE: // A cross hair with n concentric circles. Only the cros is build as polygon
// because circles can be drawn easily
{
int crossHairThickness = scaletoIU( params[6].GetValue( tool ), m_GerbMetric );
int crossHairLength = scaletoIU( params[7].GetValue( tool ), m_GerbMetric );
// Create cross. First create 1/4 of the shape.
// Others point are the same, totated by 90, 180 and 270 deg
wxPoint pos( crossHairThickness / 2, crossHairLength / 2 );
aBuffer.push_back( pos );
pos.y = crossHairThickness / 2;
aBuffer.push_back( pos );
pos.x = -crossHairLength / 2;
aBuffer.push_back( pos );
pos.y = -crossHairThickness / 2;
aBuffer.push_back( pos );
// Copy the 4 shape, rotated by 90, 180 and 270 deg
for( int jj = 1; jj <= 3; jj ++ )
{
for( int ii = 0; ii < 4; ii++ )
{
pos = aBuffer[ii];
RotatePoint( &pos, jj*900 );
aBuffer.push_back( pos );
}
}
}
break;
case AMP_OUTLINE:
// already is a polygon. Do nothing
break;
case AMP_POLYGON: // Creates a regular polygon
{
int vertexcount = KiROUND( params[1].GetValue( tool ) );
int radius = scaletoIU( params[4].GetValue( tool ), m_GerbMetric ) / 2;
// rs274x said: vertex count = 3 ... 10, and the first corner is on the X axis
if( vertexcount < 3 )
vertexcount = 3;
if( vertexcount > 10 )
vertexcount = 10;
for( int ii = 0; ii <= vertexcount; ii++ )
{
wxPoint pos( radius, 0);
RotatePoint( &pos, ii * 3600 / vertexcount );
aBuffer.push_back( pos );
}
}
break;
case AMP_COMMENT:
case AMP_UNKNOWN:
case AMP_EOF:
break;
}
}
/** GetShapeDim
* Calculate a value that can be used to evaluate the size of text
* when displaying the D-Code of an item
* due to the complexity of the shape of some primitives
* one cannot calculate the "size" of a shape (only abounding box)
* but here, the "dimension" of the shape is the diameter of the primitive
* or for lines the width of the line
* @param aParent = the parent GERBER_DRAW_ITEM which is actually drawn
* @return a dimension, or -1 if no dim to calculate
*/
int AM_PRIMITIVE::GetShapeDim( GERBER_DRAW_ITEM* aParent )
{
int dim = -1;
D_CODE* tool = aParent->GetDcodeDescr();
switch( primitive_id )
{
case AMP_CIRCLE:
// params = exposure, diameter, pos.x, pos.y
dim = scaletoIU( params[1].GetValue( tool ), m_GerbMetric ); // Diameter
break;
case AMP_LINE2:
case AMP_LINE20: // Line with rectangle ends. (Width, start and end pos + rotation)
dim = scaletoIU( params[1].GetValue( tool ), m_GerbMetric ); // linne width
break;
case AMP_LINE_CENTER:
{
wxPoint size = mapPt( params[1].GetValue( tool ), params[2].GetValue( tool ), m_GerbMetric );
dim = MIN(size.x, size.y);
}
break;
case AMP_LINE_LOWER_LEFT:
{
wxPoint size = mapPt( params[1].GetValue( tool ), params[2].GetValue( tool ), m_GerbMetric );
dim = MIN(size.x, size.y);
}
break;
case AMP_THERMAL:
{
// Only 1/4 of the full shape is built, because the other 3 shapes will be draw from this first
// rotated by 90, 180 and 270 deg.
// params = center.x (unused here), center.y (unused here), outside diam, inside diam, crosshair thickness
dim = scaletoIU( params[2].GetValue( tool ), m_GerbMetric ) / 2; // Outer diam
}
break;
case AMP_MOIRE: // A cross hair with n concentric circles.
dim = scaletoIU( params[7].GetValue( tool ), m_GerbMetric ); // = cross hair len
break;
case AMP_OUTLINE: // a free polygon :
// dim = min side of the bounding box (this is a poor criteria, but what is a good criteria b?)
{
// exposure, corners count, corner1.x, corner.1y, ..., rotation
int numPoints = (int) params[1].GetValue( tool );
// Read points. numPoints does not include the starting point, so add 1.
// and calculate the bounding box;
wxSize pos_min, pos_max, pos;
for( int i = 0; i<numPoints + 1; ++i )
{
int jj = i * 2 + 2;
pos.x = scaletoIU( params[jj].GetValue( tool ), m_GerbMetric );
pos.y = scaletoIU( params[jj + 1].GetValue( tool ), m_GerbMetric );
if( i == 0 )
pos_min = pos_max = pos;
else
{
// upper right corner:
if( pos_min.x > pos.x )
pos_min.x = pos.x;
if( pos_min.y > pos.y )
pos_min.y = pos.y;
// lower left corner:
if( pos_max.x < pos.x )
pos_max.x = pos.x;
if( pos_max.y < pos.y )
pos_max.y = pos.y;
}
}
// calculate dim
wxSize size;
size.x = pos_max.x - pos_min.x;
size.y = pos_max.y - pos_min.y;
dim = MIN( size.x, size.y );
}
break;
case AMP_POLYGON: // Regular polygon
dim = scaletoIU( params[4].GetValue( tool ), m_GerbMetric ) / 2; // Radius
break;
case AMP_COMMENT:
case AMP_UNKNOWN:
case AMP_EOF:
break;
}
return dim;
}
/**
* Function DrawApertureMacroShape
* Draw the primitive shape for flashed items.
* When an item is flashed, this is the shape of the item
*/
void APERTURE_MACRO::DrawApertureMacroShape( GERBER_DRAW_ITEM* aParent,
EDA_RECT* aClipBox, wxDC* aDC,
int aColor, int aAltColor,
wxPoint aShapePos, bool aFilledShape )
{
for( AM_PRIMITIVES::iterator prim_macro = primitives.begin();
prim_macro != primitives.end(); ++prim_macro )
{
prim_macro->DrawBasicShape( aParent, aClipBox, aDC,
aColor, aAltColor,
aShapePos,
aFilledShape );
}
}
/* Function HasNegativeItems
* return true if this macro has at least one aperture primitives
* that must be drawn in background color
* used to optimize screen refresh
*/
bool APERTURE_MACRO::HasNegativeItems( GERBER_DRAW_ITEM* aParent )
{
for( AM_PRIMITIVES::iterator prim_macro = primitives.begin();
prim_macro != primitives.end(); ++prim_macro )
{
if( prim_macro->mapExposure( aParent ) == false ) // = is negative
return true;
}
return false;
}
/** GetShapeDim
* Calculate a value that can be used to evaluate the size of text
* when displaying the D-Code of an item
* due to the complexity of a shape using many primitives
* one cannot calculate the "size" of a shape (only abounding box)
* but most of aperture macro are using one or few primitives
* and the "dimension" of the shape is the diameter of the primitive
* (or the max diameter of primitives)
* @return a dimension, or -1 if no dim to calculate
*/
int APERTURE_MACRO::GetShapeDim( GERBER_DRAW_ITEM* aParent )
{
int dim = -1;
for( AM_PRIMITIVES::iterator prim_macro = primitives.begin();
prim_macro != primitives.end(); ++prim_macro )
{
int pdim = prim_macro->GetShapeDim( aParent );
if( dim < pdim )
dim = pdim;
}
return dim;
}
/**
* function GetLocalParam
* Usually, parameters are defined inside the aperture primitive
* using immediate mode or defered mode.
* in defered mode the value is defined in a DCODE that want to use the aperture macro.
* But some parameters are defined outside the aperture primitive
* and are local to the aperture macro
* @return the value of a defered parameter defined inside the aperture macro
* @param aParamId = the param id (defined by $3 or $5 ..) to evaluate
*/
double APERTURE_MACRO::GetLocalParam( const D_CODE* aDcode, unsigned aParamId ) const
{
// find parameter descr.
const AM_PARAM * param = NULL;
for( unsigned ii = 0; ii < m_localparamStack.size(); ii ++ )
{
if( m_localparamStack[ii].GetIndex() == aParamId )
{
param = &m_localparamStack[ii];
break;
}
}
if ( param == NULL ) // not found
return 0.0;
// Evaluate parameter
double value = param->GetValue( aDcode );
return value;
}
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