haskal
/
kicad
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

bitmap2component: code cleanup.

This commit is contained in:
jean-pierre charras 2011-10-26 13:06:04 +02:00
parent 51a845470b
commit 2476bc7f62
1 changed files with 100 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

170
bitmap2component/bitmap2component.cpp
View File

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