ptarray_to_x3d3_sb()

static int ptarray_to_x3d3_sb ( POINTARRAY *  pa, int  precision, int  opts, int  is_closed, stringbuffer_t *  sb  )

static

In X3D3, coordinates are separated by a space separator.

Only output the point if it is not the last point of a closed object or it is a non-closed type

Only output the point if it is not the last point of a closed object or it is a non-closed type

Definition at line 511 of file lwout_x3d.c.

{
        uint32_t i;
        char x[OUT_DOUBLE_BUFFER_SIZE];
        char y[OUT_DOUBLE_BUFFER_SIZE];
        char z[OUT_DOUBLE_BUFFER_SIZE];
 
        if ( ! FLAGS_GET_Z(pa->flags) )
        {
                for (i=0; i<pa->npoints; i++)
                {
                        if ( !is_closed || i < (pa->npoints - 1) )
                        {
                                POINT2D pt;
                                getPoint2d_p(pa, i, &pt);
 
                                lwprint_double(pt.x, precision, x);
                                lwprint_double(pt.y, precision, y);
 
                                if ( i ) stringbuffer_append_len(sb," ",1);
 
                                if ( ( opts & LW_X3D_FLIP_XY) )
                                        stringbuffer_aprintf(sb, "%s %s", y, x);
                                else
                                        stringbuffer_aprintf(sb, "%s %s", x, y);
                        }
                }
        }
        else
        {
                for (i=0; i<pa->npoints; i++)
                {
                        if ( !is_closed || i < (pa->npoints - 1) )
                        {
                                POINT4D pt;
                                getPoint4d_p(pa, i, &pt);
 
                                lwprint_double(pt.x, precision, x);
                                lwprint_double(pt.y, precision, y);
                                lwprint_double(pt.z, precision, z);
 
                                if ( i ) stringbuffer_append_len(sb," ",1);
 
                                if ( ( opts & LW_X3D_FLIP_XY) )
                                        stringbuffer_aprintf(sb, "%s %s %s", y, x, z);
                                else
                                        stringbuffer_aprintf(sb, "%s %s %s", x, y, z);
                        }
                }
        }
 
        return LW_SUCCESS;
}

References POINTARRAY::flags, FLAGS_GET_Z, getPoint2d_p(), getPoint4d_p(), LW_SUCCESS, LW_X3D_FLIP_XY, lwprint_double(), POINTARRAY::npoints, OUT_DOUBLE_BUFFER_SIZE, precision, stringbuffer_append_len(), stringbuffer_aprintf(), POINT2D::x, POINT4D::x, POINT2D::y, POINT4D::y, and POINT4D::z.

Referenced by asx3d3_line_coords_sb(), asx3d3_line_sb(), asx3d3_point_sb(), asx3d3_poly_sb(), and asx3d3_triangle_sb().

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