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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <cd.h>
#include "list.h"
#include "types.h"
#include "intcgm.h"
#include "intcgm2.h"
#include "intcgm6.h"
void cgm_setlinestyle ( int type )
{
switch ( type )
{
case LINE_SOLID:
cdCanvasLineStyle (intcgm_canvas, CD_CONTINUOUS );
break;
case LINE_DASH:
cdCanvasLineStyle (intcgm_canvas, CD_DASHED );
break;
case LINE_DOT:
cdCanvasLineStyle (intcgm_canvas, CD_DOTTED );
break;
case LINE_DASH_DOT:
cdCanvasLineStyle (intcgm_canvas, CD_DASH_DOT );
break;
case LINE_DASH_DOT_DOT:
cdCanvasLineStyle (intcgm_canvas, CD_DASH_DOT_DOT );
break;
}
}
void cgm_setlinewidth ( double width )
{
int w;
if ( intcgm_cgm.lnwsm == ABSOLUTE )
w = cgm_delta_vdc2canvas(width);
else
w = (int)floor ( width+0.5 );
cdCanvasLineWidth (intcgm_canvas, w>0?w:1 );
}
void cgm_setmarktype ( int type )
{
switch ( type )
{
case MARK_DOT:
cdCanvasMarkType (intcgm_canvas, CD_STAR );
break;
case MARK_PLUS:
cdCanvasMarkType (intcgm_canvas, CD_PLUS );
break;
case MARK_ASTERISK:
cdCanvasMarkType (intcgm_canvas, CD_X );
break;
case MARK_CIRCLE:
cdCanvasMarkType (intcgm_canvas, CD_CIRCLE );
break;
case MARK_CROSS:
cdCanvasMarkType (intcgm_canvas, CD_PLUS );
break;
}
}
void cgm_setmarksize ( double size )
{
if ( intcgm_cgm.lnwsm == ABSOLUTE )
cdCanvasMarkSize (intcgm_canvas, cgm_delta_vdc2canvas(size) );
else
cdCanvasMarkSize (intcgm_canvas, (int)floor ( size*0.5 ) );
}
long int *cgm_setpattern ( pat_table pat )
{
int i;
long int *cor = (long int *) malloc ( pat.nx*pat.ny*sizeof(long int) );
for ( i=0; i<pat.nx*pat.ny ; i++ )
cor[i] = cgm_getcolor ( pat.pattern[i] );
return cor;
}
int cgm_setintstyle ( int style )
{
if ( style==HOLLOW )
return CD_CLOSED_LINES;
else if ( style==SOLID )
{
cdCanvasInteriorStyle (intcgm_canvas, CD_SOLID );
return CD_FILL;
}
else if ( style==PATTERN )
{
int i;
pat_table *pat;
long int *p;
for ( i=1; (pat=(pat_table *)cgm_GetList( intcgm_fill_att.pat_list,i ))!=NULL; i++ )
{
if ( pat->index==intcgm_fill_att.pat_index ) break;
}
p = (long int *) malloc ( pat->nx*pat->ny*sizeof(long int) );
for ( i=0; i<pat->nx*pat->ny; i++ )
{
if ( intcgm_cgm.clrsm==DIRECT )
p[i] = cdEncodeColor ((unsigned char)(pat->pattern[i].rgb.red*255./intcgm_cgm.color_ext.white.red),
(unsigned char)(pat->pattern[i].rgb.green*255./intcgm_cgm.color_ext.white.green),
(unsigned char)(pat->pattern[i].rgb.blue*255./intcgm_cgm.color_ext.white.blue) );
else
p[i] = cdEncodeColor ((unsigned char)(intcgm_color_table[pat->pattern[i].ind].red*255/intcgm_cgm.color_ext.white.red),
(unsigned char)(intcgm_color_table[pat->pattern[i].ind].green*255/intcgm_cgm.color_ext.white.green),
(unsigned char)(intcgm_color_table[pat->pattern[i].ind].blue*255/intcgm_cgm.color_ext.white.blue) );
}
cdCanvasPattern(intcgm_canvas, pat->nx, pat->ny, (long *) p );
return CD_FILL;
}
else if ( style==HATCH )
{
cdCanvasHatch (intcgm_canvas, intcgm_fill_att.hatch_index-1 );
return CD_FILL;
}
else
return CD_CLOSED_LINES;
}
long int cgm_getcolor ( tcolor cor )
{
if ( intcgm_cgm.clrsm==INDEXED )
return cdEncodeColor ((unsigned char)(intcgm_color_table[cor.ind].red*255/intcgm_cgm.color_ext.white.red),
(unsigned char)(intcgm_color_table[cor.ind].green*255/intcgm_cgm.color_ext.white.green),
(unsigned char)(intcgm_color_table[cor.ind].blue*255/intcgm_cgm.color_ext.white.blue) );
else
return cdEncodeColor ((unsigned char)(cor.rgb.red*255/intcgm_cgm.color_ext.white.red),
(unsigned char)(cor.rgb.green*255/intcgm_cgm.color_ext.white.green),
(unsigned char)(cor.rgb.blue*255/intcgm_cgm.color_ext.white.blue) );
}
int cgm_vdcx2canvas ( double vdc )
{
if ( intcgm_cgm.drawing_mode==ABSTRACT )
return (int) floor ( intcgm_scale_factor_x*(vdc-intcgm_vdc_ext.xmin)+.5 ) + intcgm_view_xmin;
else
return (int) floor ( intcgm_scale_factor_mm_x*(vdc-intcgm_vdc_ext.xmin)*intcgm_cgm.scaling_mode.scale_factor +
intcgm_vdc_ext.xmin*intcgm_cgm.scaling_mode.scale_factor + .5 );
}
int cgm_vdcy2canvas ( double vdc )
{
if ( intcgm_cgm.drawing_mode==ABSTRACT )
return (int) floor ( intcgm_scale_factor_y*(vdc-intcgm_vdc_ext.ymin)+.5 ) + intcgm_view_ymin;
else
return (int) floor ( intcgm_scale_factor_mm_y*(vdc-intcgm_vdc_ext.ymin)*intcgm_cgm.scaling_mode.scale_factor +
intcgm_vdc_ext.ymin*intcgm_cgm.scaling_mode.scale_factor + .5 );
}
int cgm_delta_vdc2canvas ( double vdc )
{
int delta = (int) cgm_vdcx2canvas(intcgm_vdc_ext.xmin+vdc) - (int) cgm_vdcx2canvas(intcgm_vdc_ext.xmin);
return delta;
}
double cgm_canvas2vdcx ( int x )
{
if ( intcgm_cgm.drawing_mode==ABSTRACT )
return (double) (x-intcgm_view_xmin)/intcgm_scale_factor_x + intcgm_vdc_ext.xmin;
else
return (double) (x-intcgm_view_xmin)/(intcgm_scale_factor_mm_x*intcgm_cgm.scaling_mode.scale_factor) + intcgm_vdc_ext.xmin;
}
double cgm_canvas2vdcy ( int y )
{
if ( intcgm_cgm.drawing_mode==ABSTRACT )
return (double) (y-intcgm_view_ymin)/intcgm_scale_factor_y + intcgm_vdc_ext.ymin;
else
return (double) (y-intcgm_view_ymin)/(intcgm_scale_factor_mm_y*intcgm_cgm.scaling_mode.scale_factor) + intcgm_vdc_ext.ymin;
}
void cgm_getpolybbox ( tpoint *pt, int n_points, double *bb_xmin, double *bb_ymin,
double *bb_xmax, double *bb_ymax )
{
int i;
*bb_xmin = *bb_xmax = pt[0].x;
*bb_ymin = *bb_ymax = pt[0].y;
for ( i=1; i<n_points; i++)
{
if ( pt[i].x < *bb_xmin ) *bb_xmin = pt[i].x;
else if ( pt[i].x > *bb_xmax ) *bb_xmax = pt[i].x;
if ( pt[i].y < *bb_ymin ) *bb_ymin = pt[i].y;
else if ( pt[i].y > *bb_ymax ) *bb_ymax = pt[i].y;
}
}
void cgm_getincpolybbox ( tpoint *pt, int n_points, double *bb_xmin, double *bb_ymin,
double *bb_xmax, double *bb_ymax )
{
int i;
double px, py;
px = *bb_xmin = *bb_xmax = pt[0].x;
py = *bb_ymin = *bb_ymax = pt[0].y;
for ( i=1; i<n_points; i++)
{
px += pt[i].x; py += pt[i].y;
if ( px < *bb_xmin ) *bb_xmin = px;
else if ( px > *bb_xmax ) *bb_xmax = px;
if ( py < *bb_ymin ) *bb_ymin = py;
else if ( py > *bb_ymax ) *bb_ymax = py;
}
}
int cgm_setfont ( int font, int style, double height )
{
int size;
int cy;
char* type_face;
cy = cgm_delta_vdc2canvas ( height );
size = (int) floor (((cy/intcgm_scale_factor_mm_y)/0.353)+0.5);
switch (font)
{
case 0:
type_face = "System";
break;
case 1:
type_face = "Courier";
break;
case 2:
type_face = "Times";
break;
case 3:
type_face = "Helvetica";
break;
default:
return 0;
}
cdCanvasFont(intcgm_canvas, type_face, style, size );
return 0;
}
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