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Commit 2476bc7f authored by jean-pierre charras's avatar jean-pierre charras
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bitmap2component: code cleanup.

parent 51a84547
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Showing with 101 additions and 71 deletions
bitmap2component/bitmap2component.cpp
View file @ 2476bc7f
......@@ -71,20 +71,53 @@ static void bm_free( potrace_bitmap_t* bm )
}
/* Helper class th handle useful info to convert a bitmpa to
/* Helper class to handle useful info to convert a bitmap image to
* a polygonal object description
*/
class BITMAPCONV_INFO
{
public:
enum output_format m_Format;
enum output_format m_Format; // File format
int m_PixmapWidth;
int m_PixmapHeight; // the bitmap size in pixels
double m_ScaleX;
double m_ScaleY; // the conversion scale
potrace_path_t* m_Paths; // the list of paths, from potrace (list of lines and bezier curves)
FILE* m_Outfile;
public: BITMAPCONV_INFO();
FILE* m_Outfile; // File to create
const char * m_CmpName; // The string used as cmp/footprint name
public:
BITMAPCONV_INFO();
/**
* Function CreateOutputFile
* Creates the output file specified by m_Outfile,
* depending on file format given by m_Format
*/
void CreateOutputFile();
private:
/**
* Function OuputFileHeader
* write to file the header depending on file format
*/
void OuputFileHeader();
/**
* Function OuputFileEnd
* write to file the last strings depending on file format
*/
void OuputFileEnd();
/**
* Function OuputOnePolygon
* write one polygon to output file.
* Polygon coordinates are expected scaled by the polugon extraction function
*/
void OuputOnePolygon( KPolygon & aPolygon );
};
static void BezierToPolyline( std::vector <potrace_dpoint_t>& aCornersBuffer,
......@@ -93,10 +126,6 @@ static void BezierToPolyline( std::vector <potrace_dpoint_t>& aCornersBuffer,
potrace_dpoint_t p3,
potrace_dpoint_t p4 );
static void CreateOutputFile( BITMAPCONV_INFO& aInfo );
static const char* CmpName = "LOGO";
BITMAPCONV_INFO::BITMAPCONV_INFO()
{
......@@ -107,6 +136,7 @@ BITMAPCONV_INFO::BITMAPCONV_INFO()
m_ScaleY = 1.0;
m_Paths = NULL;
m_Outfile = NULL;
m_CmpName = "LOGO";
}
......@@ -116,7 +146,7 @@ int bitmap2component( potrace_bitmap_t* aPotrace_bitmap, FILE* aOutfile, int aFo
potrace_state_t* st;
/* set tracing parameters, starting from defaults */
// set tracing parameters, starting from defaults
param = potrace_param_default();
if( !param )
{
......@@ -144,22 +174,22 @@ int bitmap2component( potrace_bitmap_t* aPotrace_bitmap, FILE* aOutfile, int aFo
case 2:
info.m_Format = POSTSCRIPT_FMT;
info.m_ScaleX = info.m_ScaleY = 1.0; // the conversion scale
/* output vector data, e.g. as a rudimentary EPS file */
CreateOutputFile( info );
// output vector data, e.g. as a rudimentary EPS file (mainly for tests)
info.CreateOutputFile();
break;
case 1:
info.m_Format = EESCHEMA_FMT;
info.m_ScaleX = 1000.0 / 300; // the conversion scale
info.m_ScaleY = -info.m_ScaleX; // Y axis is bottom to Top for components in libs
CreateOutputFile( info );
info.CreateOutputFile();
break;
case 0:
info.m_Format = PCBNEW_FMT;
info.m_ScaleX = 10000.0 / 300; // the conversion scale
info.m_ScaleY = info.m_ScaleX; // Y axis is top to bottom in modedit
CreateOutputFile( info );
info.CreateOutputFile();
break;
default:
......@@ -175,75 +205,75 @@ int bitmap2component( potrace_bitmap_t* aPotrace_bitmap, FILE* aOutfile, int aFo
}
static void OuputHeader( BITMAPCONV_INFO& aInfo )
void BITMAPCONV_INFO::OuputFileHeader()
{
int Ypos = (int) ( aInfo.m_PixmapHeight / 2 * aInfo.m_ScaleY );
int Ypos = (int) ( m_PixmapHeight / 2 * m_ScaleY );
int fieldSize; // fields text size = 60 mils
switch( aInfo.m_Format )
switch( m_Format )
{
case POSTSCRIPT_FMT:
/* output vector data, e.g. as a rudimentary EPS file */
fprintf( aInfo.m_Outfile, "%%!PS-Adobe-3.0 EPSF-3.0\n" );
fprintf( aInfo.m_Outfile, "%%%%BoundingBox: 0 0 %d %d\n",
aInfo.m_PixmapWidth, aInfo.m_PixmapHeight );
fprintf( aInfo.m_Outfile, "gsave\n" );
fprintf( m_Outfile, "%%!PS-Adobe-3.0 EPSF-3.0\n" );
fprintf( m_Outfile, "%%%%BoundingBox: 0 0 %d %d\n",
m_PixmapWidth, m_PixmapHeight );
fprintf( m_Outfile, "gsave\n" );
break;
case PCBNEW_FMT:
#define FIELD_LAYER 21
fieldSize = 600; // fields text size = 60 mils
Ypos += fieldSize / 2;
fprintf( aInfo.m_Outfile, "PCBNEW-LibModule-V1\n" );
fprintf( aInfo.m_Outfile, "$INDEX\n%s\n$EndINDEX\n", CmpName );
fprintf( aInfo.m_Outfile, "#\n# %s\n", CmpName );
fprintf( aInfo.m_Outfile, "# pixmap w = %d, h = %d\n#\n",
aInfo.m_PixmapWidth, aInfo.m_PixmapHeight );
fprintf( aInfo.m_Outfile, "$MODULE %s\n", CmpName );
fprintf( aInfo.m_Outfile, "Po 0 0 0 15 00000000 00000000 ~~\n" );
fprintf( aInfo.m_Outfile, "Li %s\n", CmpName );
fprintf( aInfo.m_Outfile, "T0 0 %d %d %d 0 %d N I %d \"G***\"\n",
fprintf( m_Outfile, "PCBNEW-LibModule-V1\n" );
fprintf( m_Outfile, "$INDEX\n%s\n$EndINDEX\n", m_CmpName );
fprintf( m_Outfile, "#\n# %s\n", m_CmpName );
fprintf( m_Outfile, "# pixmap w = %d, h = %d\n#\n",
m_PixmapWidth, m_PixmapHeight );
fprintf( m_Outfile, "$MODULE %s\n", m_CmpName );
fprintf( m_Outfile, "Po 0 0 0 15 00000000 00000000 ~~\n" );
fprintf( m_Outfile, "Li %s\n", m_CmpName );
fprintf( m_Outfile, "T0 0 %d %d %d 0 %d N I %d \"G***\"\n",
Ypos, fieldSize, fieldSize, fieldSize / 5, FIELD_LAYER );
fprintf( aInfo.m_Outfile, "T1 0 %d %d %d 0 %d N I %d \"%s\"\n",
-Ypos, fieldSize, fieldSize, fieldSize / 5, FIELD_LAYER, CmpName );
fprintf( m_Outfile, "T1 0 %d %d %d 0 %d N I %d \"%s\"\n",
-Ypos, fieldSize, fieldSize, fieldSize / 5, FIELD_LAYER, m_CmpName );
break;
case EESCHEMA_FMT:
fprintf( aInfo.m_Outfile, "EESchema-LIBRARY Version 2.3\n" );
fprintf( aInfo.m_Outfile, "#\n# %s\n", CmpName );
fprintf( aInfo.m_Outfile, "# pixmap size w = %d, h = %d\n#\n",
aInfo.m_PixmapWidth, aInfo.m_PixmapHeight );
fprintf( m_Outfile, "EESchema-LIBRARY Version 2.3\n" );
fprintf( m_Outfile, "#\n# %s\n", m_CmpName );
fprintf( m_Outfile, "# pixmap size w = %d, h = %d\n#\n",
m_PixmapWidth, m_PixmapHeight );
// print reference and value
fieldSize = 60; // fields text size = 60 mils
Ypos += fieldSize / 2;
fprintf( aInfo.m_Outfile, "DEF %s G 0 40 Y Y 1 F N\n", CmpName );
fprintf( aInfo.m_Outfile, "F0 \"#G\" 0 %d %d H I C CNN\n", Ypos, fieldSize );
fprintf( aInfo.m_Outfile, "F1 \"%s\" 0 %d %d H I C CNN\n", CmpName, -Ypos, fieldSize );
fprintf( aInfo.m_Outfile, "DRAW\n" );
fprintf( m_Outfile, "DEF %s G 0 40 Y Y 1 F N\n", m_CmpName );
fprintf( m_Outfile, "F0 \"#G\" 0 %d %d H I C CNN\n", Ypos, fieldSize );
fprintf( m_Outfile, "F1 \"%s\" 0 %d %d H I C CNN\n", m_CmpName, -Ypos, fieldSize );
fprintf( m_Outfile, "DRAW\n" );
break;
}
}
static void OuputEnd( BITMAPCONV_INFO& aInfo )
void BITMAPCONV_INFO::OuputFileEnd()
{
switch( aInfo.m_Format )
switch( m_Format )
{
case POSTSCRIPT_FMT:
fprintf( aInfo.m_Outfile, "grestore\n" );
fprintf( aInfo.m_Outfile, "%%EOF\n" );
fprintf( m_Outfile, "grestore\n" );
fprintf( m_Outfile, "%%EOF\n" );
break;
case PCBNEW_FMT:
fprintf( aInfo.m_Outfile, "$EndMODULE %s\n", CmpName );
fprintf( aInfo.m_Outfile, "$EndLIBRARY\n" );
fprintf( m_Outfile, "$EndMODULE %s\n", m_CmpName );
fprintf( m_Outfile, "$EndLIBRARY\n" );
break;
case EESCHEMA_FMT:
fprintf( aInfo.m_Outfile, "ENDDRAW\n" );
fprintf( aInfo.m_Outfile, "ENDDEF\n" );
fprintf( m_Outfile, "ENDDRAW\n" );
fprintf( m_Outfile, "ENDDEF\n" );
break;
}
}
......@@ -253,29 +283,29 @@ static void OuputEnd( BITMAPCONV_INFO& aInfo )
* write one polygon to output file.
* Polygon coordinates are expected scaled by the polugon extraction function
*/
static void OuputOnePolygon( BITMAPCONV_INFO& aInfo, KPolygon & aPolygon )
void BITMAPCONV_INFO::OuputOnePolygon( KPolygon & aPolygon )
{
unsigned ii;
KPolyPoint currpoint;
int offsetX = (int)( aInfo.m_PixmapWidth / 2 * aInfo.m_ScaleX );
int offsetY = (int)( aInfo.m_PixmapHeight / 2 * aInfo.m_ScaleY );
int offsetX = (int)( m_PixmapWidth / 2 * m_ScaleX );
int offsetY = (int)( m_PixmapHeight / 2 * m_ScaleY );
KPolyPoint startpoint = *aPolygon.begin();
switch( aInfo.m_Format )
switch( m_Format )
{
case POSTSCRIPT_FMT:
fprintf( aInfo.m_Outfile, "%d %d moveto\n",
fprintf( m_Outfile, "%d %d moveto\n",
startpoint.x(), startpoint.y() );
for( ii = 1; ii < aPolygon.size(); ii++ )
{
currpoint = *(aPolygon.begin() + ii);
fprintf( aInfo.m_Outfile, "%d %d lineto\n",
fprintf( m_Outfile, "%d %d lineto\n",
currpoint.x(), currpoint.y() );
}
fprintf( aInfo.m_Outfile, "0 setgray fill\n" );
fprintf( m_Outfile, "0 setgray fill\n" );
break;
case PCBNEW_FMT:
......@@ -283,43 +313,43 @@ static void OuputOnePolygon( BITMAPCONV_INFO& aInfo, KPolygon & aPolygon )
#define SILKSCREEN_N_FRONT 21
int layer = SILKSCREEN_N_FRONT;
int width = 1;
fprintf( aInfo.m_Outfile, "DP %d %d %d %d %d %d %d\n",
fprintf( m_Outfile, "DP %d %d %d %d %d %d %d\n",
0, 0, 0, 0,
aPolygon.size() + 1, width, layer );
for( ii = 0; ii < aPolygon.size(); ii++ )
{
currpoint = *( aPolygon.begin() + ii );
fprintf( aInfo.m_Outfile, "Dl %d %d\n",
fprintf( m_Outfile, "Dl %d %d\n",
currpoint.x() - offsetX, currpoint.y() - offsetY );
}
// Close polygon
fprintf( aInfo.m_Outfile, "Dl %d %d\n",
fprintf( m_Outfile, "Dl %d %d\n",
startpoint.x() - offsetX, startpoint.y() - offsetY );
}
break;
case EESCHEMA_FMT:
fprintf( aInfo.m_Outfile, "P %d 0 0 1", aPolygon.size() + 1 );
fprintf( m_Outfile, "P %d 0 0 1", aPolygon.size() + 1 );
for( ii = 0; ii < aPolygon.size(); ii++ )
{
currpoint = *(aPolygon.begin() + ii);
fprintf( aInfo.m_Outfile, " %d %d",
fprintf( m_Outfile, " %d %d",
currpoint.x() - offsetX, currpoint.y() - offsetY );
}
// Close polygon
fprintf( aInfo.m_Outfile, " %d %d",
fprintf( m_Outfile, " %d %d",
startpoint.x() - offsetX, startpoint.y() - offsetY );
fprintf( aInfo.m_Outfile, " F\n" );
fprintf( m_Outfile, " F\n" );
break;
}
}
static void CreateOutputFile( BITMAPCONV_INFO& aInfo )
void BITMAPCONV_INFO::CreateOutputFile()
{
KPolyPoint currpoint;
......@@ -333,14 +363,14 @@ static void CreateOutputFile( BITMAPCONV_INFO& aInfo )
KPolygonSet polyset_holes;
potrace_dpoint_t( *c )[3];
OuputHeader( aInfo );
OuputFileHeader();
bool main_outline = true;
/* draw each as a polygon with no hole.
* Bezier curves are approximated by a polyline
*/
potrace_path_t* paths = aInfo.m_Paths; // the list of paths
potrace_path_t* paths = m_Paths; // the list of paths
while( paths != NULL )
{
int cnt = paths->curve.n;
......@@ -373,8 +403,8 @@ static void CreateOutputFile( BITMAPCONV_INFO& aInfo )
std::vector<KPolyPoint> cornerslist; // a simple boost polygon
for( unsigned int i = 0; i < cornersBuffer.size(); i++ )
{
currpoint.x( (coordinate_type) (cornersBuffer[i].x * aInfo.m_ScaleX) );
currpoint.y( (coordinate_type) (cornersBuffer[i].y * aInfo.m_ScaleY) );
currpoint.x( (coordinate_type) (cornersBuffer[i].x * m_ScaleX) );
currpoint.y( (coordinate_type) (cornersBuffer[i].y * m_ScaleY) );
cornerslist.push_back( currpoint );
}
......@@ -388,8 +418,8 @@ static void CreateOutputFile( BITMAPCONV_INFO& aInfo )
std::vector<KPolyPoint> cornerslist; // a simple boost polygon
for( unsigned int i = 0; i < cornersBuffer.size(); i++ )
{
currpoint.x( (coordinate_type) (cornersBuffer[i].x * aInfo.m_ScaleX) );
currpoint.y( (coordinate_type) (cornersBuffer[i].y * aInfo.m_ScaleY) );
currpoint.x( (coordinate_type) (cornersBuffer[i].x * m_ScaleX) );
currpoint.y( (coordinate_type) (cornersBuffer[i].y * m_ScaleY) );
cornerslist.push_back( currpoint );
}
......@@ -410,7 +440,7 @@ static void CreateOutputFile( BITMAPCONV_INFO& aInfo )
for( unsigned ii = 0; ii < polyset_areas.size(); ii++ )
{
KPolygon& poly = polyset_areas[ii];
OuputOnePolygon( aInfo, poly );
OuputOnePolygon(poly );
}
polyset_areas.clear();
......@@ -420,7 +450,7 @@ static void CreateOutputFile( BITMAPCONV_INFO& aInfo )
paths = paths->next;
}
OuputEnd( aInfo );
OuputFileEnd();
}
......
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