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#ifndef lint
static char SccsId[] = "%W% %G%";
#endif
/* Module: grphdraw.c (Color Graph Draw)
* Purpose: Draw color graph lines
* Subroutine: draw_colorbar() returns: void
* Subroutine: draw_cgraph() returns: void
* Subroutine: highlight_active_cgraph_vertex() returns: void
* Subroutine: install_draw_queue_end() returns: void
* Subroutine: replace_draw_queue_end() returns: void
* Xlib calls: XPutImage(), XDrawLines(), XDrawRectangles(), XFillRectangles()
* Copyright: 1989 Smithsonian Astrophysical Observatory
* You may do anything you like with this file except remove
* this copyright. The Smithsonian Astrophysical Observatory
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
* Modified: {0} Michael VanHilst initial version 11 June 1989
* {1} MVH added graphbox colorbar to draw_colorbar 21 Oct 1989
* {n} <who> -- <does what> -- <when>
*/
#include <stdio.h> /* stderr, NULL, etc. */
#include <X11/Xlib.h> /* X window stuff */
#include <X11/Xutil.h> /* X window manager stuff */
#include "hfiles/color.h" /* color structs */
#include "hfiles/cgraph.h" /* color graph structs */
extern struct cgraphRec cgraph;
extern struct colbarRec colorbar;
/*
* Subroutine: draw_colorbar
* Purpose: Put the color bar on the screen
* Xlib calls: XPutImage()
*/
void draw_colorbar ( graph )
int graph; /* i: graphbox colorbar, else colorbox colorbar */
{
GC gc, set_gc(), set_gc_with_background();
if( cgraph.ncolors > 1 )
gc = set_gc(cgraph.disp);
else
gc = set_gc_with_background(cgraph.disp, cgraph.disp->background);
if( graph )
XPutImage(cgraph.bar.display, cgraph.bar.ID, gc, cgraph.bar.image,
0, 0, 0, 0, cgraph.bar.width, cgraph.bar.height);
else
XPutImage(colorbar.display, colorbar.ID, gc, colorbar.image,
0, 0, 0, 0, colorbar.width, colorbar.height);
}
/*
* Subroutine: draw_cgraph
* Purpose: Draw the cgraph graph lines and hash marks
* Xlib calls: XDrawLines(), XDrawRectangles()
*/
void draw_cgraph ( redo, highlight )
int redo; /* i: recalculate-all-line-coordinates */
int highlight; /* i: highlight-vertex-hash-being-manipulated */
{
int i;
GC gc, set_gc();
int set_cgraph_hash();
void mark_colorline_overlap();
void highlight_active_cgraph_vertex(), set_cgraph_line();
if( cgraph.inactive )
return;
XClearWindow(cgraph.graph.display, cgraph.graph.ID);
for( i=0; i<cgraph.queue_cnt; i++ ) {
if( redo || cgraph.queue[i]->unset ) {
if( cgraph.queue[i]->table->do_gamma )
set_cgraph_line(cgraph.queue[i]->table->gammamap,
cgraph.queue[i]->line);
else
set_cgraph_line(cgraph.queue[i]->table->cellmap,
cgraph.queue[i]->line);
cgraph.queue[i]->hash_0 =
set_cgraph_hash(cgraph.queue[i]->table,
cgraph.queue[i]->hash, &cgraph.queue[i]->hash_cnt);
cgraph.queue[i]->unset = 0;
}
gc = set_gc(cgraph.queue[i]->draw);
XDrawLines(cgraph.graph.display, cgraph.graph.ID, gc,
cgraph.queue[i]->line, cgraph.point_cnt, CoordModeOrigin);
}
/* draw the hash marks */
for( i=0; i<cgraph.queue_cnt; i++ ) {
if( cgraph.queue[i]->hash_cnt ) {
gc = set_gc(cgraph.queue[i]->draw);
XDrawRectangles(cgraph.graph.display, cgraph.graph.ID, gc,
cgraph.queue[i]->hash, cgraph.queue[i]->hash_cnt);
}
}
if( highlight )
highlight_active_cgraph_vertex();
else
mark_colorline_overlap();
}
/*
* Subroutine: highlight_active_cgraph_vertex
* Purpose: Draw active hash mark as filled box
* Xlib calls: XFillRectangles()
*/
void highlight_active_cgraph_vertex ( )
{
GCspec *draw;
XRectangle *hash = NULL;
if( cgraph.red.active ) {
hash = &cgraph.red.hash[cgraph.red.active_hash];
draw = cgraph.red.draw;
}
if( cgraph.green.active ) {
if( hash == NULL ) {
hash = &cgraph.green.hash[cgraph.green.active_hash];
draw = cgraph.green.draw;
} else
draw = cgraph.black;
}
if( cgraph.blue.active ) {
if( hash == NULL ) {
hash = &cgraph.blue.hash[cgraph.blue.active_hash];
draw = cgraph.blue.draw;
} else
draw = cgraph.black;
}
if( hash != NULL ) {
GC gc, set_gc();
gc = set_gc(draw);
XFillRectangles(cgraph.graph.display, cgraph.graph.ID, gc, hash, 1);
}
}
/*
* Subroutine: install_draw_queue_end
* Purpose: Installed newly active line to be last drawn
*/
void install_draw_queue_end ( col )
struct colgRec *col;
{
if( cgraph.queue_cnt != 3 )
return;
if( cgraph.queue[2] == col ) {
return;
} else if( cgraph.queue[1] == col ) {
cgraph.queue[1] = cgraph.queue[2];
cgraph.queue[2] = col;
} else if( cgraph.queue[0] == col ) {
cgraph.queue[0] = cgraph.queue[1];
cgraph.queue[1] = cgraph.queue[2];
cgraph.queue[2] = col;
}
}
/*
* Subroutine: replace_draw_queue_end
* Purpose: Replace end of the draw queue when end color is no longer
* active
*/
void replace_draw_queue_end ( )
{
struct colgRec *col;
if( cgraph.queue_cnt != 3 )
return;
if( cgraph.queue[1]->active ) {
col = cgraph.queue[2];
cgraph.queue[2] = cgraph.queue[1];
cgraph.queue[1] = cgraph.queue[0];
cgraph.queue[0] = col;
} else if( cgraph.queue[0]->active ) {
col = cgraph.queue[2];
cgraph.queue[2] = cgraph.queue[0];
cgraph.queue[0] = col;
}
}
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