From f0364c9da62607ef2f70451e654ac3a3a0caf6da Mon Sep 17 00:00:00 2001
From: jean-pierre charras <jp.charras@wanadoo.fr>
Date: Mon, 25 Oct 2010 09:43:50 +0200
Subject: [PATCH] Gerbview: support for plot lines (currently: not arcs) with a
rectangular pen (Yes, it exists!). pcbnew: try to fix an issue when exporting
arcs in gencad.
---
gerbview/class_gerber_draw_item.cpp | 107 ++++++++++++++++--
gerbview/class_gerber_draw_item.h | 9 +-
.../test_line_with_rect_aperture.gbr | 16 +++
gerbview/rs274d.cpp | 23 ++--
pcbnew/class_drawsegment.cpp | 2 +
pcbnew/class_drawsegment.h | 4 +-
pcbnew/class_edge_mod.cpp | 1 +
pcbnew/export_gencad.cpp | 49 ++++----
8 files changed, 165 insertions(+), 46 deletions(-)
create mode 100644 gerbview/gerber_test_files/test_line_with_rect_aperture.gbr
diff --git a/gerbview/class_gerber_draw_item.cpp b/gerbview/class_gerber_draw_item.cpp
index b34aaef67a..0bfd7da252 100644
--- a/gerbview/class_gerber_draw_item.cpp
+++ b/gerbview/class_gerber_draw_item.cpp
@@ -88,8 +88,7 @@ GERBER_DRAW_ITEM::GERBER_DRAW_ITEM( const GERBER_DRAW_ITEM& aSource ) :
m_mirrorA = aSource.m_mirrorA;
m_mirrorB = aSource.m_mirrorB;
m_layerOffset = aSource.m_layerOffset;
- m_drawScale.x = aSource.m_drawScale.x;
- m_drawScale.y = aSource.m_drawScale.y;
+ m_drawScale = aSource.m_drawScale;
m_lyrRotation = aSource.m_lyrRotation;
}
@@ -222,7 +221,13 @@ wxString GERBER_DRAW_ITEM::ShowGBRShape()
return wxT( "polygon" );
case GBR_SPOT_MACRO:
- return wxT( "apt_macro" ); // TODO: add aperture macro name
+ {
+ wxString name = wxT( "apt_macro" );
+ D_CODE* dcode = GetDcodeDescr();
+ if( dcode && dcode->GetMacro() )
+ name << wxT(" ") << dcode->GetMacro()->name;
+ return name;
+ }
default:
return wxT( "??" );
@@ -363,8 +368,8 @@ void GERBER_DRAW_ITEM::Draw( WinEDA_DrawPanel* aPanel, wxDC* aDC, int aDrawMode,
break;
case GBR_CIRCLE:
- radius = (int) hypot( (double) ( m_End.x - m_Start.x ),
- (double) ( m_End.y - m_Start.y ) );
+ radius = wxRound(hypot( (double) ( m_End.x - m_Start.x ),
+ (double) ( m_End.y - m_Start.y ) ));
halfPenWidth = m_Size.x >> 1;
@@ -384,6 +389,8 @@ void GERBER_DRAW_ITEM::Draw( WinEDA_DrawPanel* aPanel, wxDC* aDC, int aDrawMode,
break;
case GBR_ARC:
+ // Currently, arcs plotted witha rectangular aperture are not supported.
+ // a round pen only is expected.
#if 0 // for arc debug only
GRLine( &aPanel->m_ClipBox, aDC, GetABPosition( m_Start ),
GetABPosition( m_ArcCentre ), 0, color );
@@ -415,12 +422,30 @@ void GERBER_DRAW_ITEM::Draw( WinEDA_DrawPanel* aPanel, wxDC* aDC, int aDrawMode,
break;
case GBR_SEGMENT:
- if( !isFilled )
- GRCSegm( &aPanel->m_ClipBox, aDC, GetABPosition( m_Start ),
- GetABPosition( m_End ), m_Size.x, color );
+ /* Plot a line from m_Start to m_End.
+ * Usually, a round pen is used, but some gerber files use a rectangular pen
+ * In fact, any aperture can be used to plot a line.
+ * currently: only a square pen is handled (I believe using a polygon gives a strange plot).
+ */
+ if( d_codeDescr->m_Shape == APT_RECT )
+ {
+ if( m_PolyCorners.size() == 0 )
+ ConvertSegmentToPolygon( );
+ DrawGbrPoly( &aPanel->m_ClipBox, aDC, color, aOffset, isFilled );
+ }
else
- GRFilledSegment( &aPanel->m_ClipBox, aDC, GetABPosition( m_Start ),
+ {
+ if( !isFilled )
+ {
+ GRCSegm( &aPanel->m_ClipBox, aDC, GetABPosition( m_Start ),
GetABPosition( m_End ), m_Size.x, color );
+ }
+ else
+ {
+ GRFilledSegment( &aPanel->m_ClipBox, aDC, GetABPosition( m_Start ),
+ GetABPosition( m_End ), m_Size.x, color );
+ }
+ }
break;
default:
@@ -433,9 +458,71 @@ void GERBER_DRAW_ITEM::Draw( WinEDA_DrawPanel* aPanel, wxDC* aDC, int aDrawMode,
}
}
+/** function ConvertSegmentToPolygon
+ * convert a line to an equivalent polygon.
+ * Useful when a line is plotted using a rectangular pen.
+ * In this case, the usual segment plot cannot be used
+ * The equivalent polygon is the area paint by the rectancular pen
+ * from m_Start to m_End.
+ */
+void GERBER_DRAW_ITEM::ConvertSegmentToPolygon( )
+{
+ m_PolyCorners.clear();
+ m_PolyCorners.reserve(6);
+
+ wxPoint start = m_Start;
+ wxPoint end = m_End;
+ // make calculations more easy if ensure start.x < end.x
+ // (only 2 quadrants to consider)
+ if( start.x > end.x )
+ EXCHG( start, end );
+
+ // calculate values relative to start point:
+ wxPoint delta = end - start;
+ // calculate corners for the first quadrant only (delta.x and delta.y > 0 )
+ // currently, delta.x already is > 0.
+ // make delta.y > 0
+ bool change = delta.y < 0;
+ if( change )
+ NEGATE( delta.y);
+ // Now create the full polygon.
+ // Due to previous chnages, the shape is always something like
+ // 3 4
+ // 2 5
+ // 1 6
+ wxPoint corner;
+ corner.x -= m_Size.x/2;
+ corner.y -= m_Size.y/2;
+ m_PolyCorners.push_back( corner ); // Lower left corner, start point (1)
+ corner.y += m_Size.y;
+ m_PolyCorners.push_back( corner ); // upper left corner, start point (2)
+ if( delta.x || delta.y)
+ {
+ corner += delta;
+ m_PolyCorners.push_back( corner ); // upper left corner, end point (3)
+ }
+ corner.x += m_Size.x;
+ m_PolyCorners.push_back( corner ); // upper right corner, end point (4)
+ corner.y -= m_Size.y;
+ m_PolyCorners.push_back( corner ); // lower right corner, end point (5)
+ if( delta.x || delta.y )
+ {
+ corner -= delta;
+ m_PolyCorners.push_back( corner ); // lower left corner, start point (6)
+ }
+
+ // Create final polygon:
+ for( unsigned ii = 0; ii < m_PolyCorners.size(); ii++ )
+ {
+ if( change )
+ NEGATE( m_PolyCorners[ii].y);
+ m_PolyCorners[ii] += start;
+ }
+}
+
/** function DrawGbrPoly
- * a helper function used id ::Draw to draw the polygon stored ion m_PolyCorners
+ * a helper function used id ::Draw to draw the polygon stored in m_PolyCorners
* Draw filled polygons
*/
void GERBER_DRAW_ITEM::DrawGbrPoly( EDA_Rect* aClipBox,
diff --git a/gerbview/class_gerber_draw_item.h b/gerbview/class_gerber_draw_item.h
index c59bc654d0..d9f172fd15 100644
--- a/gerbview/class_gerber_draw_item.h
+++ b/gerbview/class_gerber_draw_item.h
@@ -194,8 +194,15 @@ public:
int aDrawMode,
const wxPoint& aOffset = ZeroOffset );
+ /** function ConvertSegmentToPolygon
+ * convert a line to an equivalent polygon.
+ * Useful when a line is plotted using a rectangular pen.
+ * In this case, the usual segment plot function cannot be used
+ */
+ void ConvertSegmentToPolygon( );
+
/** function DrawGbrPoly
- * a helper function used id ::Draw to draw the polygon stored ion m_PolyCorners
+ * a helper function used id ::Draw to draw the polygon stored in m_PolyCorners
*/
void DrawGbrPoly( EDA_Rect* aClipBox,
wxDC* aDC, int aColor,
diff --git a/gerbview/gerber_test_files/test_line_with_rect_aperture.gbr b/gerbview/gerber_test_files/test_line_with_rect_aperture.gbr
new file mode 100644
index 0000000000..b93e1c9fab
--- /dev/null
+++ b/gerbview/gerber_test_files/test_line_with_rect_aperture.gbr
@@ -0,0 +1,16 @@
+*
+%FSLAX23Y23*%
+%MOIN*%
+%ADD10R,0.025X0.025*%
+%ADD11R,0.03X0.06*%
+%IPPOS*%
+%LNtest_rect.gbr*%
+%LPD*%
+G75*
+G54D10*
+X04000Y00100D02*
+X04400Y00140D01*
+G54D11*
+X03000Y00100D02*
+X02400Y-00340D01*
+M02*
diff --git a/gerbview/rs274d.cpp b/gerbview/rs274d.cpp
index e9f9d4960a..2c0651436f 100644
--- a/gerbview/rs274d.cpp
+++ b/gerbview/rs274d.cpp
@@ -137,23 +137,23 @@ static void fillFlashedGBRITEM( GERBER_DRAW_ITEM* aGbrItem,
* @param aGbrItem The GERBER_DRAW_ITEM to fill in.
* @param Dcode_index The DCODE value, like D14
* @param aLayer The layer index to set into the GBRITEM
- * @param aPos The center point of the flash
- * @param aDiameter The diameter of the round flash
+ * @param aStart The starting point of the line
+ * @param aEnd The ending point of the line
+ * @param aPenSize The size of the flash. Note rectangular shapes are legal.
* @param aLayerNegative = true if the current layer is negative
- * @param aImageNegative = true if the current image is negative
*/
static void fillLineGBRITEM( GERBER_DRAW_ITEM* aGbrItem,
int Dcode_index,
int aLayer,
const wxPoint& aStart,
const wxPoint& aEnd,
- int aWidth,
+ wxSize aPenSize,
bool aLayerNegative )
{
aGbrItem->SetLayer( aLayer );
aGbrItem->m_Flashed = false;
- aGbrItem->m_Size.x = aGbrItem->m_Size.y = aWidth;
+ aGbrItem->m_Size = aPenSize;
aGbrItem->m_Start = aStart;
aGbrItem->m_End = aEnd;
@@ -188,13 +188,12 @@ static void fillLineGBRITEM( GERBER_DRAW_ITEM* aGbrItem,
* must be calculated from the previously given constraint: arc only in the
* same quadrant.
* @param aDiameter The diameter of the round flash
- * @param aWidth is the pen width.
+ * @param aPenSize The size of the flash. Note rectangular shapes are legal.
* @param aLayerNegative = true if the current layer is negative
- * @param aImageNegative = true if the current image is negative
*/
static void fillArcGBRITEM( GERBER_DRAW_ITEM* aGbrItem, int Dcode_index, int aLayer,
const wxPoint& aStart, const wxPoint& aEnd,
- const wxPoint& aRelCenter, int aWidth,
+ const wxPoint& aRelCenter, wxSize aPenSize,
bool aClockwise, bool aMultiquadrant,
bool aLayerNegative )
{
@@ -202,7 +201,7 @@ static void fillArcGBRITEM( GERBER_DRAW_ITEM* aGbrItem, int Dcode_index, int aL
aGbrItem->m_Shape = GBR_ARC;
aGbrItem->SetLayer( aLayer );
- aGbrItem->m_Size.x = aGbrItem->m_Size.y = aWidth;
+ aGbrItem->m_Size = aPenSize;
aGbrItem->m_Flashed = false;
@@ -333,7 +332,7 @@ static void fillArcPOLY( BOARD* aPcb, GERBER_DRAW_ITEM* aGbrItem,
aGbrItem->SetLayerPolarity( aLayerNegative );
fillArcGBRITEM( &dummyGbrItem, 0, 0,
- aStart, aEnd, rel_center, 0,
+ aStart, aEnd, rel_center, wxSize(0, 0),
clockwise, multiquadrant, aLayerNegative );
wxPoint center;
@@ -688,7 +687,7 @@ bool GERBER_IMAGE::Execute_DCODE_Command( char*& text, int D_commande )
// m_PreviousPos.x, m_PreviousPos.y,
// m_CurrentPos.x, m_CurrentPos.y ); )
fillLineGBRITEM( gbritem, dcode, activeLayer, m_PreviousPos,
- m_CurrentPos, size.x, GetLayerParams().m_LayerNegative );
+ m_CurrentPos, size, GetLayerParams().m_LayerNegative );
StepAndRepeatItem( *gbritem );
break;
@@ -708,7 +707,7 @@ bool GERBER_IMAGE::Execute_DCODE_Command( char*& text, int D_commande )
// m_CurrentPos.y, m_IJPos.x,
// m_IJPos.y, m_Iterpolation, m_360Arc_enbl ); )
fillArcGBRITEM( gbritem, dcode, activeLayer, m_PreviousPos,
- m_CurrentPos, m_IJPos, size.x,
+ m_CurrentPos, m_IJPos, size,
( m_Iterpolation == GERB_INTERPOL_ARC_NEG ) ?
false : true, m_360Arc_enbl, GetLayerParams().m_LayerNegative );
StepAndRepeatItem( *gbritem );
diff --git a/pcbnew/class_drawsegment.cpp b/pcbnew/class_drawsegment.cpp
index 6cf79668e7..d146be4aab 100644
--- a/pcbnew/class_drawsegment.cpp
+++ b/pcbnew/class_drawsegment.cpp
@@ -245,9 +245,11 @@ void DRAWSEGMENT::Draw( WinEDA_DrawPanel* panel, wxDC* DC,
GRSetDrawMode( DC, draw_mode );
l_piste = m_Width >> 1; /* half trace width */
+ // Line start point or Circle and Arc center
ux0 = m_Start.x;
uy0 = m_Start.y;
+ // Line end point or circle and arc start point
dx = m_End.x;
dy = m_End.y;
diff --git a/pcbnew/class_drawsegment.h b/pcbnew/class_drawsegment.h
index 1a7f4c9504..92a4b1abd2 100644
--- a/pcbnew/class_drawsegment.h
+++ b/pcbnew/class_drawsegment.h
@@ -10,8 +10,8 @@ class DRAWSEGMENT : public BOARD_ITEM
{
public:
int m_Width; // thickness of lines ...
- wxPoint m_Start; // Line start point
- wxPoint m_End; // Line end point
+ wxPoint m_Start; // Line start point or Circle and Arc center
+ wxPoint m_End; // Line end point or circle and arc start point
int m_Shape; // Shape: line, Circle, Arc
int m_Type; // Used in complex associations ( Dimensions.. )
diff --git a/pcbnew/class_edge_mod.cpp b/pcbnew/class_edge_mod.cpp
index d2e58be86b..2cf70819e8 100644
--- a/pcbnew/class_edge_mod.cpp
+++ b/pcbnew/class_edge_mod.cpp
@@ -421,6 +421,7 @@ int EDGE_MODULE::ReadDescr( char* Line, FILE* File,
&m_Start0.x, &m_Start0.y,
&m_End0.x, &m_End0.y,
&m_Angle, &m_Width, &m_Layer );
+ NORMALIZE_ANGLE( m_Angle );
break;
case S_SEGMENT:
diff --git a/pcbnew/export_gencad.cpp b/pcbnew/export_gencad.cpp
index 03012ee950..af03bddc53 100644
--- a/pcbnew/export_gencad.cpp
+++ b/pcbnew/export_gencad.cpp
@@ -818,9 +818,9 @@ void CreateTracksInfoData( FILE* file, BOARD* pcb )
*/
void FootprintWriteShape( FILE* file, MODULE* module )
{
- EDGE_MODULE* PtEdge;
- EDA_BaseStruct* PtStruct;
- int Yaxis_sign = -1; // Control Y axis change sign (as normal
+ EDGE_MODULE* edge;
+ EDA_BaseStruct* item;
+ int y_axis_sign = -1; // Control Y axis change sign (as normal
// module / mirror axis and conventions)
/* creates header: */
@@ -840,46 +840,53 @@ void FootprintWriteShape( FILE* file, MODULE* module )
}
/* creates Drawing */
- PtStruct = module->m_Drawings;
- for( ; PtStruct != NULL; PtStruct = PtStruct->Next() )
+ item = module->m_Drawings;
+ for( ; item != NULL; item = item->Next() )
{
- switch( PtStruct->Type() )
+ switch( item->Type() )
{
case TYPE_TEXTE_MODULE:
break;
case TYPE_EDGE_MODULE:
- PtEdge = (EDGE_MODULE*) PtStruct;
+ edge = (EDGE_MODULE*) item;
- switch( PtEdge->m_Shape )
+ switch( edge->m_Shape )
{
case S_SEGMENT:
fprintf( file, "LINE %d %d %d %d\n",
- PtEdge->m_Start0.x, Yaxis_sign * PtEdge->m_Start0.y,
- PtEdge->m_End0.x, Yaxis_sign * PtEdge->m_End0.y );
+ edge->m_Start0.x, y_axis_sign * edge->m_Start0.y,
+ edge->m_End0.x, y_axis_sign * edge->m_End0.y );
break;
case S_CIRCLE:
{
int rayon = (int) hypot(
- (double) ( PtEdge->m_End0.x - PtEdge->m_Start0.x ),
- (double) ( PtEdge->m_End0.y - PtEdge->m_Start0.y ) );
+ (double) ( edge->m_End0.x - edge->m_Start0.x ),
+ (double) ( edge->m_End0.y - edge->m_Start0.y ) );
fprintf( file, "CIRCLE %d %d %d\n",
- PtEdge->m_Start0.x, Yaxis_sign * PtEdge->m_Start0.y,
+ edge->m_Start0.x, y_axis_sign * edge->m_Start0.y,
rayon );
break;
}
case S_ARC: /* print ARC x,y start x,y end x,y center */
- {
- int arcendx, arcendy;
- arcendx = PtEdge->m_Start0.x;
- arcendy = PtEdge->m_Start0.y;
- RotatePoint( &arcendx, &arcendy, PtEdge->m_Angle );
+ { // Arcs are defined counter clockwise (positive trigonometric)
+ // from the start point to the end point (0 to 360 degrees)
+ wxPoint arcStart, arcEnd;
+ // edge->m_Start0 is the arc center relative to the shape position
+ // edge->m_End0 is the arc start point relative to the shape position
+ arcStart = edge->m_End0;
+ // calculate arcEnd arc end point relative to the shape position, in pcbnew coordinates
+ arcEnd = arcStart;
+ RotatePoint( &arcEnd, edge->m_Start0, -edge->m_Angle );
+ // due to difference between pcbnew and gencad, swap arc start and arc end
+ EXCHG(arcEnd, arcStart);
+ // print arc shape:
fprintf( file, "ARC %d %d %d %d %d %d\n",
- PtEdge->m_End0.x, Yaxis_sign * PtEdge->m_End0.y,
- arcendx, Yaxis_sign * arcendy,
- PtEdge->m_Start0.x, Yaxis_sign * PtEdge->m_Start0.y );
+ arcStart.x, y_axis_sign * arcStart.y, // Start point
+ arcEnd.x, y_axis_sign * arcEnd.y, // End point
+ edge->m_Start0.x, y_axis_sign * edge->m_Start0.y );
break;
}