/*
* Write one label, with all the trimmings.
* This routine is used for both 2D and 3D plots.
*/
void
write_label(unsigned int x, unsigned int y, struct text_label *this_label)
{
int htic, vtic;
int justify = JUST_TOP; /* This was the 2D default; 3D had CENTRE */
apply_pm3dcolor(&(this_label->textcolor),term);
ignore_enhanced(this_label->noenhanced);
get_offsets(this_label, term, &htic, &vtic);
if (this_label->rotate && (*term->text_angle) (this_label->rotate)) {
write_multiline(x + htic, y + vtic, this_label->text,
this_label->pos, justify, this_label->rotate,
this_label->font);
(*term->text_angle) (0);
} else {
write_multiline(x + htic, y + vtic, this_label->text,
this_label->pos, justify, 0, this_label->font);
}
/* write_multiline() clips text to on_page; do the same for any point */
if (this_label->lp_properties.pointflag && on_page(x,y)) {
term_apply_lp_properties(&this_label->lp_properties);
(*term->point) (x, y, this_label->lp_properties.p_type);
/* the default label color is that of border */
term_apply_lp_properties(&border_lp);
}
ignore_enhanced(FALSE);
}
void
set_rgbcolor_const(unsigned int rgbvalue)
{
t_colorspec color;
color.type = TC_RGB;
*(unsigned int *)(&color.lt) = rgbvalue;
color.value = 0; /* 0 flags that this is a constant color */
apply_pm3dcolor(&color, term);
}
void
set_rgbcolor_var(unsigned int rgbvalue)
{
t_colorspec color;
color.type = TC_RGB;
*(unsigned int *)(&color.lt) = rgbvalue;
color.value = -1; /* -1 flags that this came from "rgb variable" */
apply_pm3dcolor(&color, term);
}
TBOOLEAN
need_fill_border(struct fill_style_type *fillstyle)
{
/* Doesn't want a border at all */
if (fillstyle->border_color.type == TC_LT && fillstyle->border_color.lt == LT_NODRAW)
return FALSE;
/* Wants a border in a new color */
if (fillstyle->border_color.type != TC_DEFAULT)
apply_pm3dcolor(&fillstyle->border_color,term);
return TRUE;
}
TBOOLEAN
need_fill_border(struct fill_style_type *fillstyle)
{
struct lp_style_type p;
p.pm3d_color = fillstyle->border_color;
if (p.pm3d_color.type == TC_LT) {
/* Doesn't want a border at all */
if (p.pm3d_color.lt == LT_NODRAW)
return FALSE;
load_linetype(&p, p.pm3d_color.lt+1);
}
/* Wants a border in a new color */
if (p.pm3d_color.type != TC_DEFAULT)
apply_pm3dcolor(&p.pm3d_color,term);
return TRUE;
}
void ifilled_quadrangle(gpiPoint* icorners)
{
if (default_fillstyle.fillstyle == FS_EMPTY)
icorners->style = FS_OPAQUE;
else
icorners->style = style_from_fill(&default_fillstyle);
term->filled_polygon(4, icorners);
if (pm3d.hidden3d_tag) {
int i;
apply_pm3dcolor(&pm3d_border_lp.pm3d_color, term);
term->move(icorners[0].x, icorners[0].y);
for (i = 3; i >= 0; i--) {
term->vector(icorners[i].x, icorners[i].y);
}
}
}
/*
* Write one label, with all the trimmings.
* This routine is used for both 2D and 3D plots.
*/
void
write_label(unsigned int x, unsigned int y, struct text_label *this_label)
{
int htic, vtic;
int justify = JUST_TOP; /* This was the 2D default; 3D had CENTRE */
apply_pm3dcolor(&(this_label->textcolor),term);
ignore_enhanced(this_label->noenhanced);
/* The text itself */
if (this_label->hypertext) {
/* Treat text as hypertext */
char *font = this_label->font;
if (font)
term->set_font(font);
if (term->hypertext)
term->hypertext(TERM_HYPERTEXT_TOOLTIP, this_label->text);
if (font)
term->set_font("");
} else {
/* A normal label (always print text) */
get_offsets(this_label, term, &htic, &vtic);
#ifdef EAM_BOXED_TEXT
/* Initialize the bounding box accounting */
if (this_label->boxed && term->boxed_text)
(*term->boxed_text)(x + htic, y + vtic, TEXTBOX_INIT);
#endif
if (this_label->rotate && (*term->text_angle) (this_label->rotate)) {
write_multiline(x + htic, y + vtic, this_label->text,
this_label->pos, justify, this_label->rotate,
this_label->font);
(*term->text_angle) (0);
} else {
write_multiline(x + htic, y + vtic, this_label->text,
this_label->pos, justify, 0, this_label->font);
}
}
#ifdef EAM_BOXED_TEXT
/* Adjust the bounding box margins */
if (this_label->boxed && term->boxed_text)
(*term->boxed_text)((int)(textbox_opts.xmargin * 100.),
(int)(textbox_opts.ymargin * 100.), TEXTBOX_MARGINS);
if (this_label->boxed && term->boxed_text && textbox_opts.opaque) {
/* Blank out the box and reprint the label */
(*term->boxed_text)(0,0, TEXTBOX_BACKGROUNDFILL);
if (this_label->rotate && (*term->text_angle) (this_label->rotate)) {
write_multiline(x + htic, y + vtic, this_label->text,
this_label->pos, justify, this_label->rotate,
this_label->font);
(*term->text_angle) (0);
} else {
write_multiline(x + htic, y + vtic, this_label->text,
this_label->pos, justify, 0, this_label->font);
}
}
/* Draw the bounding box - FIXME should set line properties first */
if (this_label->boxed && term->boxed_text) {
if (!textbox_opts.noborder)
(*term->boxed_text)(0,0, TEXTBOX_OUTLINE);
else
(*term->boxed_text)(0,0, TEXTBOX_FINISH);
}
#endif
/* The associated point, if any */
/* write_multiline() clips text to on_page; do the same for any point */
if ((this_label->lp_properties.flags & LP_SHOW_POINTS) && on_page(x,y)) {
term_apply_lp_properties(&this_label->lp_properties);
(*term->point) (x, y, this_label->lp_properties.p_type);
/* the default label color is that of border */
term_apply_lp_properties(&border_lp);
}
ignore_enhanced(FALSE);
}
void
multiplot_start()
{
TBOOLEAN set_spacing = FALSE;
TBOOLEAN set_margins = FALSE;
c_token++;
/* Only a few options are possible if we are already in multiplot mode */
/* So far we have "next". Maybe also "previous", "clear"? */
if (multiplot) {
if (equals(c_token, "next")) {
c_token++;
if (!mp_layout.auto_layout)
int_error(c_token, "only valid inside an auto-layout multiplot");
multiplot_next();
return;
} else if (almost_equals(c_token, "prev$ious")) {
c_token++;
if (!mp_layout.auto_layout)
int_error(c_token, "only valid inside an auto-layout multiplot");
multiplot_previous();
return;
} else {
term_end_multiplot();
}
}
/* FIXME: more options should be reset/initialized each time */
mp_layout.auto_layout = FALSE;
mp_layout.auto_layout_margins = FALSE;
mp_layout.current_panel = 0;
mp_layout.title.noenhanced = FALSE;
free(mp_layout.title.text);
mp_layout.title.text = NULL;
free(mp_layout.title.font);
mp_layout.title.font = NULL;
/* Parse options */
while (!END_OF_COMMAND) {
if (almost_equals(c_token, "ti$tle")) {
c_token++;
mp_layout.title.text = try_to_get_string();
continue;
}
if (equals(c_token, "font")) {
c_token++;
mp_layout.title.font = try_to_get_string();
continue;
}
if (almost_equals(c_token,"enh$anced")) {
mp_layout.title.noenhanced = FALSE;
c_token++;
continue;
}
if (almost_equals(c_token,"noenh$anced")) {
mp_layout.title.noenhanced = TRUE;
c_token++;
continue;
}
if (almost_equals(c_token, "lay$out")) {
if (mp_layout.auto_layout)
int_error(c_token, "too many layout commands");
else
mp_layout.auto_layout = TRUE;
c_token++;
if (END_OF_COMMAND) {
int_error(c_token,"expecting '<num_cols>,<num_rows>'");
}
/* read row,col */
mp_layout.num_rows = int_expression();
if (END_OF_COMMAND || !equals(c_token,",") )
int_error(c_token, "expecting ', <num_cols>'");
c_token++;
if (END_OF_COMMAND)
int_error(c_token, "expecting <num_cols>");
mp_layout.num_cols = int_expression();
/* remember current values of the plot size and the margins */
mp_layout.prev_xsize = xsize;
mp_layout.prev_ysize = ysize;
mp_layout.prev_xoffset = xoffset;
mp_layout.prev_yoffset = yoffset;
mp_layout.prev_lmargin = lmargin;
mp_layout.prev_rmargin = rmargin;
mp_layout.prev_bmargin = bmargin;
mp_layout.prev_tmargin = tmargin;
mp_layout.act_row = 0;
mp_layout.act_col = 0;
continue;
}
/* The remaining options are only valid for auto-layout mode */
if (!mp_layout.auto_layout)
int_error(c_token, "only valid in the context of an auto-layout command");
switch(lookup_table(&set_multiplot_tbl[0],c_token)) {
case S_MULTIPLOT_COLUMNSFIRST:
mp_layout.row_major = TRUE;
c_token++;
break;
case S_MULTIPLOT_ROWSFIRST:
mp_layout.row_major = FALSE;
c_token++;
break;
case S_MULTIPLOT_DOWNWARDS:
mp_layout.downwards = TRUE;
c_token++;
break;
case S_MULTIPLOT_UPWARDS:
mp_layout.downwards = FALSE;
c_token++;
break;
case S_MULTIPLOT_SCALE:
c_token++;
mp_layout.xscale = real_expression();
mp_layout.yscale = mp_layout.xscale;
if (!END_OF_COMMAND && equals(c_token,",") ) {
c_token++;
if (END_OF_COMMAND) {
int_error(c_token, "expecting <yscale>");
}
mp_layout.yscale = real_expression();
}
break;
case S_MULTIPLOT_OFFSET:
c_token++;
mp_layout.xoffset = real_expression();
mp_layout.yoffset = mp_layout.xoffset;
if (!END_OF_COMMAND && equals(c_token,",") ) {
c_token++;
if (END_OF_COMMAND) {
int_error(c_token, "expecting <yoffset>");
}
mp_layout.yoffset = real_expression();
}
break;
case S_MULTIPLOT_MARGINS:
c_token++;
if (END_OF_COMMAND)
int_error(c_token,"expecting '<left>,<right>,<bottom>,<top>'");
mp_layout.lmargin.scalex = screen;
mp_layout_set_margin_or_spacing(&(mp_layout.lmargin));
if (!END_OF_COMMAND && equals(c_token,",") ) {
c_token++;
if (END_OF_COMMAND)
int_error(c_token, "expecting <right>");
mp_layout.rmargin.scalex = mp_layout.lmargin.scalex;
mp_layout_set_margin_or_spacing(&(mp_layout.rmargin));
} else {
int_error(c_token, "expecting <right>");
}
if (!END_OF_COMMAND && equals(c_token,",") ) {
c_token++;
if (END_OF_COMMAND)
int_error(c_token, "expecting <top>");
mp_layout.bmargin.scalex = mp_layout.rmargin.scalex;
mp_layout_set_margin_or_spacing(&(mp_layout.bmargin));
} else {
int_error(c_token, "expecting <bottom>");
}
if (!END_OF_COMMAND && equals(c_token,",") ) {
c_token++;
if (END_OF_COMMAND)
int_error(c_token, "expecting <bottom>");
mp_layout.tmargin.scalex = mp_layout.bmargin.scalex;
mp_layout_set_margin_or_spacing(&(mp_layout.tmargin));
} else {
int_error(c_token, "expection <top>");
}
set_margins = TRUE;
break;
case S_MULTIPLOT_SPACING:
c_token++;
if (END_OF_COMMAND)
int_error(c_token,"expecting '<xspacing>,<yspacing>'");
mp_layout.xspacing.scalex = screen;
mp_layout_set_margin_or_spacing(&(mp_layout.xspacing));
mp_layout.yspacing = mp_layout.xspacing;
if (!END_OF_COMMAND && equals(c_token, ",")) {
c_token++;
if (END_OF_COMMAND)
int_error(c_token, "expecting <yspacing>");
mp_layout_set_margin_or_spacing(&(mp_layout.yspacing));
}
set_spacing = TRUE;
break;
default:
int_error(c_token,"invalid or duplicate option");
break;
}
}
if (set_spacing || set_margins) {
if (set_spacing && set_margins) {
if (mp_layout.lmargin.x >= 0 && mp_layout.rmargin.x >= 0
&& mp_layout.tmargin.x >= 0 && mp_layout.bmargin.x >= 0
&& mp_layout.xspacing.x >= 0 && mp_layout.yspacing.x >= 0)
mp_layout.auto_layout_margins = TRUE;
else
int_error(NO_CARET, "must give positive margin and spacing values");
} else if (set_spacing) {
int_warn(NO_CARET, "must give margins and spacing, continue with auto margins.");
} else if (set_margins) {
mp_layout.auto_layout_margins = TRUE;
mp_layout.xspacing.scalex = screen;
mp_layout.xspacing.x = 0.05;
mp_layout.yspacing.scalex = screen;
mp_layout.yspacing.x = 0.05;
int_warn(NO_CARET, "must give margins and spacing, continue with spacing of 0.05");
}
/* Sanity check that screen tmargin is > screen bmargin */
if (mp_layout.bmargin.scalex == screen && mp_layout.tmargin.scalex == screen)
if (mp_layout.bmargin.x > mp_layout.tmargin.x) {
double tmp = mp_layout.bmargin.x;
mp_layout.bmargin.x = mp_layout.tmargin.x;
mp_layout.tmargin.x = tmp;
}
}
/* If we reach here, then the command has been successfully parsed.
* Aug 2013: call term_start_plot() before setting multiplot so that
* the wxt and qt terminals will reset the plot count to 0 before
* ignoring subsequent TERM_LAYER_RESET requests.
*/
term_start_plot();
multiplot = TRUE;
fill_gpval_integer("GPVAL_MULTIPLOT", 1);
/* Place overall title before doing anything else */
if (mp_layout.title.text) {
double tmpx, tmpy;
unsigned int x, y;
char *p = mp_layout.title.text;
map_position_r(&(mp_layout.title.offset), &tmpx, &tmpy, "mp title");
x = term->xmax / 2 + tmpx;
y = term->ymax - term->v_char + tmpy;;
ignore_enhanced(mp_layout.title.noenhanced);
apply_pm3dcolor(&(mp_layout.title.textcolor));
write_multiline(x, y, mp_layout.title.text,
CENTRE, JUST_TOP, 0, mp_layout.title.font);
reset_textcolor(&(mp_layout.title.textcolor));
ignore_enhanced(FALSE);
/* Calculate fractional height of title compared to entire page */
/* If it would fill the whole page, forget it! */
for (y=1; *p; p++)
if (*p == '\n')
y++;
/* Oct 2012 - v_char depends on the font used */
if (mp_layout.title.font && *mp_layout.title.font)
term->set_font(mp_layout.title.font);
mp_layout.title_height = (double)(y * term->v_char) / (double)term->ymax;
if (mp_layout.title.font && *mp_layout.title.font)
term->set_font("");
if (mp_layout.title_height > 0.9)
mp_layout.title_height = 0.05;
} else {
mp_layout.title_height = 0.0;
}
if (mp_layout.auto_layout_margins)
mp_layout_margins_and_spacing();
else
mp_layout_size_and_offset();
}
/*
Finally the main colour smooth box drawing routine
*/
void
draw_color_smooth_box(int plot_mode)
{
double tmp;
FILE *out = gppsfile; /* either gpoutfile or PSLATEX_auxfile */
if (color_box.where == SMCOLOR_BOX_NO)
return;
if (!term->filled_polygon)
return;
/*
firstly, choose some good position of the color box
user's position like that (?):
else {
x_from = color_box.xlow;
x_to = color_box.xhigh;
}
*/
if (color_box.where == SMCOLOR_BOX_USER) {
if (!is_3d_plot) {
double xtemp, ytemp;
map_position(&color_box.origin, &color_box.bounds.xleft, &color_box.bounds.ybot, "cbox");
map_position_r(&color_box.size, &xtemp, &ytemp, "cbox");
color_box.bounds.xright = xtemp;
color_box.bounds.ytop = ytemp;
} else if (splot_map && is_3d_plot) {
/* In map view mode we allow any coordinate system for placement */
double xtemp, ytemp;
map3d_position_double(&color_box.origin, &xtemp, &ytemp, "cbox");
color_box.bounds.xleft = xtemp;
color_box.bounds.ybot = ytemp;
map3d_position_r(&color_box.size, &color_box.bounds.xright, &color_box.bounds.ytop, "cbox");
} else {
/* But in full 3D mode we only allow screen coordinates */
color_box.bounds.xleft = color_box.origin.x * (term->xmax) + 0.5;
color_box.bounds.ybot = color_box.origin.y * (term->ymax) + 0.5;
color_box.bounds.xright = color_box.size.x * (term->xmax-1) + 0.5;
color_box.bounds.ytop = color_box.size.y * (term->ymax-1) + 0.5;
}
color_box.bounds.xright += color_box.bounds.xleft;
color_box.bounds.ytop += color_box.bounds.ybot;
} else { /* color_box.where == SMCOLOR_BOX_DEFAULT */
if (plot_mode == MODE_SPLOT && !splot_map) {
/* HBB 20031215: new code. Constants fixed to what the result
* of the old code in default view (set view 60,30,1,1)
* happened to be. Somebody fix them if they're not right! */
color_box.bounds.xleft = xmiddle + 0.709 * xscaler;
color_box.bounds.xright = xmiddle + 0.778 * xscaler;
color_box.bounds.ybot = ymiddle - 0.147 * yscaler;
color_box.bounds.ytop = ymiddle + 0.497 * yscaler;
} else if (is_3d_plot) {
/* MWS 09-Dec-05, make color box full size for splot maps. */
double dx = (X_AXIS.max - X_AXIS.min);
map3d_xy(X_AXIS.max + dx * 0.025, Y_AXIS.min, base_z, &color_box.bounds.xleft, &color_box.bounds.ybot);
map3d_xy(X_AXIS.max + dx * 0.075, Y_AXIS.max, ceiling_z, &color_box.bounds.xright, &color_box.bounds.ytop);
} else { /* 2D plot */
struct position default_origin = {graph,graph,graph, 1.025, 0, 0};
struct position default_size = {graph,graph,graph, 0.05, 1.0, 0};
double xtemp, ytemp;
map_position(&default_origin, &color_box.bounds.xleft, &color_box.bounds.ybot, "cbox");
color_box.bounds.xleft += color_box.xoffset;
map_position_r(&default_size, &xtemp, &ytemp, "cbox");
color_box.bounds.xright = xtemp + color_box.bounds.xleft;
color_box.bounds.ytop = ytemp + color_box.bounds.ybot;
}
/* now corrections for outer tics */
if (color_box.rotation == 'v') {
int cblen = (CB_AXIS.tic_in ? -1 : 1) * CB_AXIS.ticscale *
(term->h_tic); /* positive for outer tics */
int ylen = (Y_AXIS.tic_in ? -1 : 1) * Y_AXIS.ticscale *
(term->h_tic); /* positive for outer tics */
if ((cblen > 0) && (CB_AXIS.ticmode & TICS_MIRROR)) {
color_box.bounds.xleft += cblen;
color_box.bounds.xright += cblen;
}
if ((ylen > 0) &&
(axis_array[FIRST_Y_AXIS].ticmode & TICS_MIRROR)) {
color_box.bounds.xleft += ylen;
color_box.bounds.xright += ylen;
}
}
}
if (color_box.bounds.ybot > color_box.bounds.ytop) { /* switch them */
tmp = color_box.bounds.ytop;
color_box.bounds.ytop = color_box.bounds.ybot;
color_box.bounds.ybot = tmp;
}
/* Optimized version of the smooth colour box in postscript. Advantage:
only few lines of code is written into the output file.
*/
if (gppsfile)
draw_inside_color_smooth_box_postscript(out);
else
draw_inside_color_smooth_box_bitmap(out);
if (color_box.border) {
/* now make boundary around the colour box */
if (color_box.border_lt_tag >= 0) {
/* user specified line type */
struct lp_style_type lp = border_lp;
lp_use_properties(&lp, color_box.border_lt_tag);
term_apply_lp_properties(&lp);
} else {
/* black solid colour should be chosen, so it's border linetype */
term_apply_lp_properties(&border_lp);
}
newpath();
(term->move) (color_box.bounds.xleft, color_box.bounds.ybot);
(term->vector) (color_box.bounds.xright, color_box.bounds.ybot);
(term->vector) (color_box.bounds.xright, color_box.bounds.ytop);
(term->vector) (color_box.bounds.xleft, color_box.bounds.ytop);
(term->vector) (color_box.bounds.xleft, color_box.bounds.ybot);
closepath();
/* Set line properties to some value, this also draws lines in postscript terminals. */
term_apply_lp_properties(&border_lp);
}
/* draw tics */
if (axis_array[COLOR_AXIS].ticmode) {
term_apply_lp_properties(&border_lp); /* border linetype */
gen_tics(COLOR_AXIS, cbtick_callback );
}
/* write the colour box label */
if (CB_AXIS.label.text) {
int x, y;
apply_pm3dcolor(&(CB_AXIS.label.textcolor),term);
if (color_box.rotation == 'h') {
int len = CB_AXIS.ticscale * (CB_AXIS.tic_in ? 1 : -1) *
(term->v_tic);
map3d_position_r(&(CB_AXIS.label.offset), &x, &y, "smooth_box");
x += (color_box.bounds.xleft + color_box.bounds.xright) / 2;
#define DEFAULT_Y_DISTANCE 1.0
y += color_box.bounds.ybot + (- DEFAULT_Y_DISTANCE - 1.7) * term->v_char;
#undef DEFAULT_Y_DISTANCE
if (len < 0) y += len;
if (x<0) x = 0;
if (y<0) y = 0;
write_multiline(x, y, CB_AXIS.label.text, CENTRE, JUST_CENTRE, 0,
CB_AXIS.label.font);
} else {
int len = CB_AXIS.ticscale * (CB_AXIS.tic_in ? -1 : 1) *
(term->h_tic);
/* calculate max length of cb-tics labels */
widest_tic_strlen = 0;
if (CB_AXIS.ticmode & TICS_ON_BORDER) {
widest_tic_strlen = 0; /* reset the global variable */
gen_tics(COLOR_AXIS, /* 0, */ widest_tic_callback);
}
map3d_position_r(&(CB_AXIS.label.offset), &x, &y, "smooth_box");
#define DEFAULT_X_DISTANCE 0.0
x += color_box.bounds.xright + (widest_tic_strlen + DEFAULT_X_DISTANCE + 1.5) * term->h_char;
#undef DEFAULT_X_DISTANCE
if (len > 0) x += len;
y += (color_box.bounds.ybot + color_box.bounds.ytop) / 2;
if (x<0) x = 0;
if (y<0) y = 0;
if ((*term->text_angle)(CB_AXIS.label.rotate)) {
write_multiline(x, y, CB_AXIS.label.text, CENTRE, JUST_TOP,
CB_AXIS.label.rotate, CB_AXIS.label.font);
(*term->text_angle)(0);
} else {
write_multiline(x, y, CB_AXIS.label.text, LEFT, JUST_TOP, 0, CB_AXIS.label.font);
}
}
reset_textcolor(&(CB_AXIS.label.textcolor),term);
}
}
/* Notice HBB 20010720: would be static, but HP-UX gcc bug forbids
* this, for now */
void
cbtick_callback(
AXIS_INDEX axis,
double place,
char *text,
struct lp_style_type grid, /* linetype or -2 for no grid */
struct ticmark *userlabels)
{
int len = (text ? CB_AXIS.ticscale : CB_AXIS.miniticscale)
* (CB_AXIS.tic_in ? -1 : 1) * (term->h_tic);
double cb_place = (place - CB_AXIS.min) / (CB_AXIS.max - CB_AXIS.min);
/* relative z position along the colorbox axis */
unsigned int x1, y1, x2, y2;
/* calculate tic position */
if (color_box.rotation == 'h') {
x1 = x2 = color_box.bounds.xleft + cb_place * (color_box.bounds.xright - color_box.bounds.xleft);
y1 = color_box.bounds.ybot;
y2 = color_box.bounds.ybot - len;
} else {
x1 = color_box.bounds.xright;
x2 = color_box.bounds.xright + len;
y1 = y2 = color_box.bounds.ybot + cb_place * (color_box.bounds.ytop - color_box.bounds.ybot);
}
/* draw grid line */
if (grid.l_type > LT_NODRAW) {
term_apply_lp_properties(&grid); /* grid linetype */
if (color_box.rotation == 'h') {
(*term->move) (x1, color_box.bounds.ybot);
(*term->vector) (x1, color_box.bounds.ytop);
} else {
(*term->move) (color_box.bounds.xleft, y1);
(*term->vector) (color_box.bounds.xright, y1);
}
term_apply_lp_properties(&border_lp); /* border linetype */
}
/* draw tic */
(*term->move) (x1, y1);
(*term->vector) (x2, y2);
/* draw label */
if (text) {
/* get offset */
int offsetx, offsety;
map3d_position_r(&(axis_array[axis].ticdef.offset),
&offsetx, &offsety, "cbtics");
/* User-specified different color for the tics text */
if (axis_array[axis].ticdef.textcolor.type != TC_DEFAULT)
apply_pm3dcolor(&(axis_array[axis].ticdef.textcolor), term);
if (color_box.rotation == 'h') {
int y3 = color_box.bounds.ybot - (term->v_char);
int hrotate = 0;
if (axis_array[axis].tic_rotate
&& (*term->text_angle)(axis_array[axis].tic_rotate))
hrotate = axis_array[axis].tic_rotate;
if (len > 0) y3 -= len; /* add outer tics len */
if (y3<0) y3 = 0;
write_multiline(x2+offsetx, y3+offsety, text,
(hrotate ? LEFT : CENTRE), CENTRE, hrotate,
axis_array[axis].ticdef.font);
if (hrotate)
(*term->text_angle)(0);
} else {
unsigned int x3 = color_box.bounds.xright + (term->h_char);
if (len > 0) x3 += len; /* add outer tics len */
write_multiline(x3+offsetx, y2+offsety, text,
LEFT, CENTRE, 0.0,
axis_array[axis].ticdef.font);
}
term_apply_lp_properties(&border_lp); /* border linetype */
}
/* draw tic on the mirror side */
if (CB_AXIS.ticmode & TICS_MIRROR) {
if (color_box.rotation == 'h') {
y1 = color_box.bounds.ytop;
y2 = color_box.bounds.ytop + len;
} else {
x1 = color_box.bounds.xleft;
x2 = color_box.bounds.xleft - len;
}
(*term->move) (x1, y1);
(*term->vector) (x2, y2);
}
}
/* Notice HBB 20010720: would be static, but HP-UX gcc bug forbids
* this, for now */
void
cbtick_callback(
AXIS_INDEX axis,
double place,
char *text,
int ticlevel,
struct lp_style_type grid, /* linetype or -2 for no grid */
struct ticmark *userlabels)
{
int len = TIC_SCALE(ticlevel, COLOR_AXIS)
* (CB_AXIS.tic_in ? -1 : 1) * (term->h_tic);
double cb_place = (place - CB_AXIS.min) / (CB_AXIS.max - CB_AXIS.min);
/* relative z position along the colorbox axis */
unsigned int x1, y1, x2, y2;
/* calculate tic position */
if (color_box.rotation == 'h') {
x1 = x2 = color_box.bounds.xleft + cb_place * (color_box.bounds.xright - color_box.bounds.xleft);
y1 = color_box.bounds.ybot;
y2 = color_box.bounds.ybot - len;
} else {
x1 = color_box.bounds.xright;
x2 = color_box.bounds.xright + len;
y1 = y2 = color_box.bounds.ybot + cb_place * (color_box.bounds.ytop - color_box.bounds.ybot);
}
/* draw grid line */
if (grid.l_type > LT_NODRAW) {
term_apply_lp_properties(&grid); /* grid linetype */
if (color_box.rotation == 'h') {
(*term->move) (x1, color_box.bounds.ybot);
(*term->vector) (x1, color_box.bounds.ytop);
} else {
(*term->move) (color_box.bounds.xleft, y1);
(*term->vector) (color_box.bounds.xright, y1);
}
term_apply_lp_properties(&border_lp); /* border linetype */
}
/* draw tic */
(*term->move) (x1, y1);
(*term->vector) (x2, y2);
/* draw label */
if (text) {
int just;
int offsetx, offsety;
/* Skip label if we've already written a user-specified one here */
# define MINIMUM_SEPARATION 0.001
while (userlabels) {
if (fabs((place - userlabels->position) / (CB_AXIS.max - CB_AXIS.min))
<= MINIMUM_SEPARATION) {
text = NULL;
break;
}
userlabels = userlabels->next;
}
# undef MINIMUM_SEPARATION
/* get offset */
map3d_position_r(&(axis_array[axis].ticdef.offset),
&offsetx, &offsety, "cbtics");
/* User-specified different color for the tics text */
if (axis_array[axis].ticdef.textcolor.type != TC_DEFAULT)
apply_pm3dcolor(&(axis_array[axis].ticdef.textcolor), term);
if (color_box.rotation == 'h') {
int y3 = color_box.bounds.ybot - (term->v_char);
int hrotate = 0;
if (axis_array[axis].tic_rotate
&& (*term->text_angle)(axis_array[axis].tic_rotate))
hrotate = axis_array[axis].tic_rotate;
if (len > 0) y3 -= len; /* add outer tics len */
if (y3<0) y3 = 0;
just = hrotate ? LEFT : CENTRE;
if (axis_array[axis].manual_justify)
just = axis_array[axis].label.pos;
write_multiline(x2+offsetx, y3+offsety, text,
just, JUST_CENTRE, hrotate,
axis_array[axis].ticdef.font);
if (hrotate)
(*term->text_angle)(0);
} else {
unsigned int x3 = color_box.bounds.xright + (term->h_char);
if (len > 0) x3 += len; /* add outer tics len */
just = LEFT;
if (axis_array[axis].manual_justify)
just = axis_array[axis].label.pos;
write_multiline(x3+offsetx, y2+offsety, text,
just, JUST_CENTRE, 0.0,
axis_array[axis].ticdef.font);
}
term_apply_lp_properties(&border_lp); /* border linetype */
}
/* draw tic on the mirror side */
if (CB_AXIS.ticmode & TICS_MIRROR) {
if (color_box.rotation == 'h') {
y1 = color_box.bounds.ytop;
y2 = color_box.bounds.ytop + len;
} else {
x1 = color_box.bounds.xleft;
x2 = color_box.bounds.xleft - len;
}
(*term->move) (x1, y1);
(*term->vector) (x2, y2);
}
}
