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/* TTYGraph Graph implemented on dumb terminal
Last modified 1998-04-26
Copyright (C) 1998 David Flater.
This program is free software; you can 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 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "common.hh"
TTYGraph::TTYGraph (unsigned xsize, unsigned ysize): Graph (xsize, ysize) {
assert (xsize >= minttywidth && ysize >= minttyheight);
tty = (char *) malloc (xsize * ysize);
}
TTYGraph::~TTYGraph() {
if (tty)
free (tty);
}
unsigned TTYGraph::fontWidth() {
return 1;
}
unsigned TTYGraph::fontHeight() {
return 1;
}
unsigned TTYGraph::fontMargin() {
return 0;
}
unsigned TTYGraph::depthLabelLeftMargin() {
return 0;
}
unsigned TTYGraph::depthLabelRightMargin() {
return 1;
}
unsigned TTYGraph::depthLineVerticalMargin() {
return 0;
}
unsigned TTYGraph::hourTickLen() {
return 1;
}
void TTYGraph::setPixel (int x, int y, Colors::colorchoice c) {
setPixel (x, y, '*');
}
void TTYGraph::setPixel (int x, int y, char c) {
if (x < 0 || x >= xsize() || y < 0 || y >= ysize())
return;
tty[y * xsize() + x] = c;
}
void TTYGraph::setPixel (int x, int y, Colors::colorchoice c, double saturation) {
Graph::setPixel (x, y, c, saturation);
}
void
TTYGraph::drawHorizontalLine (int xlo, int xhi, int y,
Colors::colorchoice c) {
int i;
for (i=xlo; i<=xhi; i++)
setPixel (i, y, '-');
}
void TTYGraph::drawHourTick (int x, Colors::colorchoice c) {
setPixel (x, ysize()-1, '|');
}
void
TTYGraph::drawString (int x, int y, const Dstr &s) {
for (unsigned a=0; a<s.length(); a++)
setPixel (x+a, y, s[a]);
}
void TTYGraph::writeAsText (Dstr &text_out) {
text_out = (char *)NULL;
char *buf = (char *)malloc (xsize()+2);
buf[xsize()] = '\n';
buf[xsize()+1] = '\0';
for (unsigned y=0; y<ysize(); y++) {
strncpy (buf, &(tty[y*xsize()]), xsize());
text_out += buf;
}
free (buf);
}
void TTYGraph::clearGraph (Timestamp start, Timestamp endt,
Interval increment, Station *station, struct Graph::tideline *first) {
memset (tty, ' ', xsize()*ysize());
}
void TTYGraph::drawX (int x, double y) {
setPixel (x, (int)(y+0.5), '+');
}
double TTYGraph::aspectfudge() {
return TTYaspectfudge;
}
unsigned
TTYGraph::startpos() {
return TTYnposition;
}
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