/* This file is part of the GNU plotutils package. Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2005, Free Software Foundation, Inc. The GNU plotutils package is free software. You may redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software foundation; either version 2, or (at your option) any later version. The GNU plotutils package is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with the GNU plotutils package; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin St., Fifth Floor, Boston, MA 02110-1301, USA. */ /* This file defines the initialization for any FigPlotter object, including both private data and public methods. There is a one-to-one correspondence between public methods and user-callable functions in the C API. */ #include "sys-defines.h" #include "extern.h" #ifndef LIBPLOTTER /* In libplot, this is the initialization for the function-pointer part of a FigPlotter struct. */ const Plotter _pl_f_default_plotter = { /* initialization (after creation) and termination (before deletion) */ _pl_f_initialize, _pl_f_terminate, /* page manipulation */ _pl_f_begin_page, _pl_f_erase_page, _pl_f_end_page, /* drawing state manipulation */ _pl_g_push_state, _pl_g_pop_state, /* internal path-painting methods (endpath() is a wrapper for the first) */ _pl_f_paint_path, _pl_f_paint_paths, _pl_g_path_is_flushable, _pl_g_maybe_prepaint_segments, /* internal methods for drawing of markers and points */ _pl_g_paint_marker, _pl_f_paint_point, /* internal methods that plot strings in Hershey, non-Hershey fonts */ _pl_g_paint_text_string_with_escapes, _pl_f_paint_text_string, _pl_g_get_text_width, /* private low-level `retrieve font' method */ _pl_f_retrieve_font, /* `flush output' method, called only if Plotter handles its own output */ _pl_g_flush_output, /* error handlers */ _pl_g_warning, _pl_g_error, }; #endif /* not LIBPLOTTER */ /* The private `initialize' method, which is invoked when a Plotter is created. It is used for such things as initializing capability flags from the values of class variables, allocating storage, etc. When this is invoked, _plotter points to the Plotter that has just been created. */ /* For FigPlotter objects, we determine the page size and the location of the viewport on the page, so that we'll be able to work out the map from user coordinates to device coordinates in space.c. */ void _pl_f_initialize (S___(Plotter *_plotter)) { #ifndef LIBPLOTTER /* in libplot, manually invoke superclass initialization method */ _pl_g_initialize (S___(_plotter)); #endif /* override superclass initializations, as necessary */ #ifndef LIBPLOTTER /* tag field, differs in derived classes */ _plotter->data->type = PL_FIG; #endif /* output model */ _plotter->data->output_model = PL_OUTPUT_ONE_PAGE; /* user-queryable capabilities: 0/1/2 = no/yes/maybe */ _plotter->data->have_wide_lines = 1; _plotter->data->have_dash_array = 0; _plotter->data->have_solid_fill = 1; _plotter->data->have_odd_winding_fill = 1; _plotter->data->have_nonzero_winding_fill = 0; _plotter->data->have_settable_bg = 0; _plotter->data->have_escaped_string_support = 0; _plotter->data->have_ps_fonts = 1; _plotter->data->have_pcl_fonts = 0; _plotter->data->have_stick_fonts = 0; _plotter->data->have_extra_stick_fonts = 0; _plotter->data->have_other_fonts = 0; /* text and font-related parameters (internal, not queryable by user); note that we don't set kern_stick_fonts, because it was set by the superclass initialization (and it's irrelevant for this Plotter type, anyway) */ _plotter->data->default_font_type = PL_F_POSTSCRIPT; _plotter->data->pcl_before_ps = false; _plotter->data->have_horizontal_justification = true; _plotter->data->have_vertical_justification = false; _plotter->data->issue_font_warning = true; /* path-related parameters (also internal); note that we don't set max_unfilled_path_length, because it was set by the superclass initialization */ _plotter->data->have_mixed_paths = false; _plotter->data->allowed_arc_scaling = AS_UNIFORM; _plotter->data->allowed_ellarc_scaling = AS_NONE; _plotter->data->allowed_quad_scaling = AS_NONE; _plotter->data->allowed_cubic_scaling = AS_NONE; _plotter->data->allowed_box_scaling = AS_AXES_PRESERVED; _plotter->data->allowed_circle_scaling = AS_UNIFORM; _plotter->data->allowed_ellipse_scaling = AS_ANY; /* dimensions */ _plotter->data->display_model_type = (int)DISP_MODEL_PHYSICAL; _plotter->data->display_coors_type = (int)DISP_DEVICE_COORS_INTEGER_NON_LIBXMI; _plotter->data->flipped_y = true; _plotter->data->imin = 0; _plotter->data->imax = 0; _plotter->data->jmin = 0; _plotter->data->jmax = 0; _plotter->data->xmin = 0.0; _plotter->data->xmax = 0.0; _plotter->data->ymin = 0.0; _plotter->data->ymax = 0.0; _plotter->data->page_data = (plPageData *)NULL; /* initialize data members specific to this derived class */ /* dynamic variables */ _plotter->fig_drawing_depth = FIG_INITIAL_DEPTH; _plotter->fig_num_usercolors = 0; /* note: this driver also uses fig_usercolors[] */ _plotter->fig_colormap_warning_issued = false; /* initialize certain data members from device driver parameters */ /* Determine range of device coordinates over which the viewport will extend (and hence the transformation from user to device coordinates; see g_space.c). */ { /* determine page type, viewport size and location */ _set_page_type (_plotter->data); /* convert viewport size-and-location data (in terms of inches) to device coordinates (i.e. Fig units) */ _plotter->data->xmin = (FIG_UNITS_PER_INCH * (_plotter->data->viewport_xorigin + _plotter->data->viewport_xoffset)); _plotter->data->xmax = (FIG_UNITS_PER_INCH * (_plotter->data->viewport_xorigin + _plotter->data->viewport_xoffset + _plotter->data->viewport_xsize)); /* Fig coor system has flipped y: y=0 is at the top of the page */ _plotter->data->ymin = (FIG_UNITS_PER_INCH * (_plotter->data->page_data->ysize - (_plotter->data->viewport_yorigin + _plotter->data->viewport_yoffset))); _plotter->data->ymax = (FIG_UNITS_PER_INCH * (_plotter->data->page_data->ysize - (_plotter->data->viewport_yorigin + _plotter->data->viewport_yoffset + _plotter->data->viewport_ysize))); } /* compute the NDC to device-frame affine map, set it in Plotter */ _compute_ndc_to_device_map (_plotter->data); } /* The private `terminate' method, which is invoked when a Plotter is deleted. It may do such things as write to an output stream from internal storage, deallocate storage, etc. When this is invoked, _plotter points to the Plotter that is about to be deleted. */ void _pl_f_terminate (S___(Plotter *_plotter)) { #ifndef LIBPLOTTER /* in libplot, manually invoke superclass termination method */ _pl_g_terminate (S___(_plotter)); #endif } #ifdef LIBPLOTTER FigPlotter::FigPlotter (FILE *infile, FILE *outfile, FILE *errfile) :Plotter (infile, outfile, errfile) { _pl_f_initialize (); } FigPlotter::FigPlotter (FILE *outfile) :Plotter (outfile) { _pl_f_initialize (); } FigPlotter::FigPlotter (istream& in, ostream& out, ostream& err) : Plotter (in, out, err) { _pl_f_initialize (); } FigPlotter::FigPlotter (ostream& out) : Plotter (out) { _pl_f_initialize (); } FigPlotter::FigPlotter () { _pl_f_initialize (); } FigPlotter::FigPlotter (FILE *infile, FILE *outfile, FILE *errfile, PlotterParams ¶meters) :Plotter (infile, outfile, errfile, parameters) { _pl_f_initialize (); } FigPlotter::FigPlotter (FILE *outfile, PlotterParams ¶meters) :Plotter (outfile, parameters) { _pl_f_initialize (); } FigPlotter::FigPlotter (istream& in, ostream& out, ostream& err, PlotterParams ¶meters) : Plotter (in, out, err, parameters) { _pl_f_initialize (); } FigPlotter::FigPlotter (ostream& out, PlotterParams ¶meters) : Plotter (out, parameters) { _pl_f_initialize (); } FigPlotter::FigPlotter (PlotterParams ¶meters) : Plotter (parameters) { _pl_f_initialize (); } FigPlotter::~FigPlotter () { _pl_f_terminate (); } #endif