void PaintCanvas::mousePressEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton) {
clickedToEndPath=false;
//For mask drawing
if (backgroundmaskpen){
if(maskpathnewpath){
maskpath.moveTo(event->pos());
maskpathnewpath=false;
lastPoint = event->pos();
}
maskpath.lineTo(event->pos());
drawLineTo(event->pos());
update();
}
//For head and Tail marking
if(markHead){
scribbling = true;
lastPoint = event->pos();
//THEN SWITCH TO OTHER PEN
}
if(markTail){
scribbling = true;
lastPoint = event->pos();
//THEN SWITCH TO OTHER PEN
}
//Default other drawing
if(targetpen||backgroundpen)
scribbling = true;
lastPoint = event->pos();
}
if (event->button()==Qt::RightButton&&backgroundmaskpen){
//Close off current path
closepath();
}
}
/*
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);
}
}
int main (int argc, char **argv)
{
char **text,**font,*textcolor,*boxcolor;
float size,labelCD=0.0,labelCA,labelCW=0.0,labelCH,bigx,bigy,eps,eps2;
float *x;
int n,j,nsub;
size_t nchar;
/* Hook up getpars */
initargs(argc,argv);
requestdoc(0);
/* Get parameters */
if(!getparint("nsub",&nsub))nsub=0;
if(!getparfloat("size",&size))size=30;
if(!getparstring("tcolor",&textcolor))textcolor="black";
if(!getparstring("bcolor",&boxcolor))boxcolor="white";
checkpars();
eps=0.25*size;
eps2=0.1*size;
n=countparname("t");
if(n==0)
err("must enter at least one PSTEXT text stream as parameter t");
if(n!=countparname("f"))
warn("suggest specify same number of values for t and f");
text =(char **)malloc( (n+1)*sizeof(char *) );
font =(char **)malloc( (n+1)*sizeof(char *) );
x = (float *)malloc( (n+1)*sizeof(float) );
for(bigx=eps,bigy=0.,j=0;j<n;j++){
x[j]=bigx;
if(!getnparstring(j+1,"t",&text[j]))text[j]="hello";
if(!getnparstring(j+1,"f",&font[j]))font[j]="Times-Bold";
labelCH = fontheight(font[j],size);
labelCW = fontwidth(font[j],size);
labelCA = fontascender(font[j],size);
labelCD = MIN(labelCD,fontdescender(font[j],size));
nchar = strlen(text[j]);
bigx+=0.5*(((double) nchar)*labelCW);
bigy=MAX(bigy,labelCH+eps+0.0*labelCA);
}
bigx+=eps;
bigx-=0.5*nsub*labelCW;
/* open output eps file */
boundingbox(-eps2,-eps2,bigx+eps2,bigy+eps2);
begineps();
gsave();
rectclip(0.,0.,bigx,bigy);
/* fill background box with background color */
newpath();
moveto(0.,0.);
lineto(bigx,0.);
lineto(bigx,bigy);
lineto(0.,bigy);
closepath();
setcolor(boxcolor);
fill();
/* write out text strings */
setcolor(textcolor);
moveto(eps,eps-labelCD);
for(j=0;j<n;j++) {
setfont(font[j],size);
show(text[j]);
}
/* close output stream */
grestore();
showpage();
endeps();
return EXIT_SUCCESS;
}
