void drvJAVA::show_path()
{
outf << "\t// Path # " << currentNr() << endl;
// if fill then use a polygon
// else use line-segments.
switch (currentShowType()) {
case drvbase::stroke:{
outf << "\tl = new PSLinesObject(" << endl;
outf << "\t\t" << currentR() << "F," << currentG() << "F," <<
currentB() << "F);" << endl;
for (unsigned int t = 0; t < numberOfElementsInPath(); t++) {
const Point & p = pathElement(t).getPoint(0);
outf << "\tl.addPoint(";
outf << (int) (p.x_ + x_offset) << ","
<< (int) (currentDeviceHeight - p.y_ + y_offset) << ");\n ";
}
outf << "\tcurrentpage.theObjects.addElement(l);" << endl;
}
break;
case drvbase::fill:
case drvbase::eofill:{
outf << "\tp = new PSPolygonObject(";
outf << currentR() << "F," << currentG() << "F," << currentB()
<< "F);" << endl;
print_coords();
if (!isPolygon()) {
// make closed polygon anyway
const basedrawingelement & elem = pathElement(0);
const Point & p = elem.getPoint(0);
outf << "\tp.addPoint(";
outf << (int) (p.x_ + x_offset) << ","
<< (int) (currentDeviceHeight - p.y_ + y_offset) << ");\n ";
}
outf << "\tcurrentpage.theObjects.addElement(p);" << endl;
}
break;
default:
// cannot happen
outf << "unexpected ShowType " << (int) currentShowType();
break;
}
// outf << "\tcurrentLineWidth: " << currentLineWidth() << endl;
}
void Scene::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *sEvent)
{
if (isActive())
{
if (isPolygon())
{
int x = (int) gem::round(sEvent->scenePos().x());
int y = (int) gem::round(sEvent->scenePos().y());
if (x < 0)
x = 0;
if (x >= mainViewWidth)
x = mainViewWidth-1;
if (y < 0)
y = 0;
if (y >= mainViewHeight)
y = mainViewHeight-1;
Point *point = dynamic_cast<Point*>(itemAt(x, y));
if (point == 0 && sEvent->button() == Qt::LeftButton)
{
QGraphicsItem *item = new Point(x, y);
addItem(item);
polygonVector << item;
emit vectorNotEmpty(true);
}
}
else if (isEllipse())
{
if (sEvent->button() == Qt::LeftButton)
{
startPoint = endPoint = sEvent->scenePos();
ellipseItem->setRect(QRectF(2*startPoint-endPoint, endPoint));
addItem(ellipseItem);
setEllipsePainting(true);
}
}
QGraphicsScene::mouseDoubleClickEvent(sEvent);
}
}
void drvSAMPL::show_path()
{
outf << "Path # " << currentNr();
if (isPolygon())
outf << " (polygon): " << endl;
else
outf << " (polyline): " << endl;
outf << "\tcurrentShowType: ";
switch (currentShowType()) {
case drvbase::stroke:
outf << "stroked";
break;
case drvbase::fill:
outf << "filled";
break;
case drvbase::eofill:
outf << "eofilled";
break;
default:
// cannot happen
outf << "unexpected ShowType " << (int) currentShowType();
break;
}
outf << endl;
outf << "\tcurrentLineWidth: " << currentLineWidth() << endl;
outf << "\tcurrentR: " << currentR() << endl;
outf << "\tcurrentG: " << currentG() << endl;
outf << "\tcurrentB: " << currentB() << endl;
outf << "\tedgeR: " << edgeR() << endl;
outf << "\tedgeG: " << edgeG() << endl;
outf << "\tedgeB: " << edgeB() << endl;
outf << "\tfillR: " << fillR() << endl;
outf << "\tfillG: " << fillG() << endl;
outf << "\tfillB: " << fillB() << endl;
outf << "\tcurrentLineCap: " << currentLineCap() << endl;
outf << "\tdashPattern: " << dashPattern() << endl;
outf << "\tPath Elements 0 to " << numberOfElementsInPath() - 1 << endl;
print_coords();
}
void drvJAVA2::show_path()
{
outf << " // Path # " << currentNr() << endl;
outf << " currentPath = new PSPathObject(new Color(";
outf << currentR() << "f, " << currentG() << "f, " << currentB() << "f), ";
outf << currentLineWidth() << "f";
if ((currentLineCap() != 0) || (currentLineJoin() != 0)
|| (currentShowType() != 0) || (currentLineType() != solid)) {
outf << ", " << currentLineCap() << ", " << currentLineJoin() <<
", " << currentMiterLimit() << "f, ";
switch (currentShowType()) {
case drvbase::stroke:
outf << "0";
break;
case drvbase::fill:
outf << "1";
break;
case drvbase::eofill:
outf << "2";
break;
default:
errf << "\t\tFatal: unexpected case for currentShowType() in drvjava2" << endl; // cannot happen
abort();
}
if (currentLineType() != solid) {
outf << "," << endl;
show_dashPattern(outf, dashPattern());
}
}
if (isPolygon()) {
outf << ", true";
}
outf << ");" << endl;
numberOfElements++;
print_coords();
outf << " currentPage.add(currentPath);" << endl;
numberOfElements++;
}
void drvTK::show_path()
{
const int fillpat = (currentShowType() == drvbase::stroke) ? noFill : Fill;
if (isPolygon()) {
buffer << "set i [$Global(CurrentCanvas) create polygon ";
print_coords();
if (fillpat == 1) {
buffer << " -fill \"" << colorstring(currentR(), currentG(), currentB())
<< "\"";
} else {
buffer << " -fill \"\"";
}
buffer << " -outline \"" << colorstring(currentR(), currentG(), currentB())
<< "\"" << " -width " << (currentLineWidth()? currentLineWidth() : 1)
<< "p" << " -tags \"" << options->tagNames << "\" ]" << endl;
} else {
if (fillpat == 1) {
buffer << "set i [$Global(CurrentCanvas) create polygon ";
print_coords();
buffer << " -fill \"" << colorstring(currentR(), currentG(), currentB())
<< "\"";
buffer << " -outline \"" << colorstring(currentR(), currentG(), currentB())
<< "\"" << " -width " << (currentLineWidth()? currentLineWidth() : 1)
<< "p" << " -tags \"" << options->tagNames << "\" ]" << endl;
} else {
buffer << "set i [$Global(CurrentCanvas) create line ";
print_coords();
buffer << " -fill \"" << colorstring(currentR(), currentG(), currentB())
<< "\"" << " -width " << (currentLineWidth()? currentLineWidth() : 1)
<< "p" << " -tags \"" << options->tagNames << "\" ]" << endl;
}
}
if (strcmp(options->tagNames.value.value(), "") && !(options->noImPress)) {
buffer << "set Group($Global(CurrentCanvas),$i) \"" << options->tagNames << "\"" << endl;
}
}
void attach_attrs_and_arrows(graph_t* g, int* sp, int* ep)
{
int e_arrows; /* graph has edges with end arrows */
int s_arrows; /* graph has edges with start arrows */
int i, j, sides;
char buf[BUFSIZ]; /* Used only for small strings */
unsigned char xbuffer[BUFSIZ]; /* Initial buffer for xb */
agxbuf xb;
node_t *n;
edge_t *e;
point pt;
e_arrows = s_arrows = 0;
setYInvert(g);
agxbinit(&xb, BUFSIZ, xbuffer);
safe_dcl(g, g->proto->n, "pos", "", agnodeattr);
safe_dcl(g, g->proto->n, "rects", "", agnodeattr);
N_width = safe_dcl(g, g->proto->n, "width", "", agnodeattr);
N_height = safe_dcl(g, g->proto->n, "height", "", agnodeattr);
safe_dcl(g, g->proto->e, "pos", "", agedgeattr);
if (GD_has_labels(g) & EDGE_LABEL)
safe_dcl(g, g->proto->e, "lp", "", agedgeattr);
if (GD_has_labels(g) & HEAD_LABEL)
safe_dcl(g, g->proto->e, "head_lp", "", agedgeattr);
if (GD_has_labels(g) & TAIL_LABEL)
safe_dcl(g, g->proto->e, "tail_lp", "", agedgeattr);
if (GD_label(g)) {
safe_dcl(g, g, "lp", "", agraphattr);
if (GD_label(g)->text[0]) {
pt = GD_label(g)->p;
sprintf(buf, "%d,%d", pt.x, YDIR(pt.y));
agset(g, "lp", buf);
}
}
safe_dcl(g, g, "bb", "", agraphattr);
for (n = agfstnode(g); n; n = agnxtnode(g, n)) {
sprintf(buf, "%d,%d", ND_coord_i(n).x, YDIR(ND_coord_i(n).y));
agset(n, "pos", buf);
sprintf(buf, "%.2f", PS2INCH(ND_ht_i(n)));
agxset(n, N_height->index, buf);
sprintf(buf, "%.2f", PS2INCH(ND_lw_i(n) + ND_rw_i(n)));
agxset(n, N_width->index, buf);
if (strcmp(ND_shape(n)->name, "record") == 0) {
set_record_rects(n, ND_shape_info(n), &xb);
agxbpop(&xb); /* get rid of last space */
agset(n, "rects", agxbuse(&xb));
} else {
polygon_t *poly;
int i;
if (N_vertices && isPolygon(n)) {
poly = (polygon_t *) ND_shape_info(n);
sides = poly->sides;
if (sides < 3) {
char *p = agget(n, "samplepoints");
if (p)
sides = atoi(p);
else
sides = 8;
if (sides < 3)
sides = 8;
}
for (i = 0; i < sides; i++) {
if (i > 0)
agxbputc(&xb, ' ');
if (poly->sides >= 3)
sprintf(buf, "%.3f %.3f",
PS2INCH(poly->vertices[i].x),
YFDIR(PS2INCH(poly->vertices[i].y)));
else
sprintf(buf, "%.3f %.3f",
ND_width(n) / 2.0 * cos(i /
(double) sides *
PI * 2.0),
YFDIR(ND_height(n) / 2.0 *
sin(i / (double) sides * PI * 2.0)));
agxbput(&xb, buf);
}
agxset(n, N_vertices->index, agxbuse(&xb));
}
}
if (State >= GVSPLINES) {
for (e = agfstout(g, n); e; e = agnxtout(g, e)) {
if (ED_edge_type(e) == IGNORED)
continue;
if (ED_spl(e) == NULL)
continue; /* reported in postproc */
for (i = 0; i < ED_spl(e)->size; i++) {
if (i > 0)
agxbputc(&xb, ';');
if (ED_spl(e)->list[i].sflag) {
s_arrows = 1;
sprintf(buf, "s,%d,%d ",
ED_spl(e)->list[i].sp.x,
YDIR(ED_spl(e)->list[i].sp.y));
agxbput(&xb, buf);
}
if (ED_spl(e)->list[i].eflag) {
e_arrows = 1;
sprintf(buf, "e,%d,%d ",
ED_spl(e)->list[i].ep.x,
YDIR(ED_spl(e)->list[i].ep.y));
agxbput(&xb, buf);
}
for (j = 0; j < ED_spl(e)->list[i].size; j++) {
if (j > 0)
agxbputc(&xb, ' ');
pt = ED_spl(e)->list[i].list[j];
sprintf(buf, "%d,%d", pt.x, YDIR(pt.y));
agxbput(&xb, buf);
}
}
agset(e, "pos", agxbuse(&xb));
if (ED_label(e)) {
pt = ED_label(e)->p;
sprintf(buf, "%d,%d", pt.x, YDIR(pt.y));
agset(e, "lp", buf);
}
if (ED_head_label(e)) {
pt = ED_head_label(e)->p;
sprintf(buf, "%d,%d", pt.x, YDIR(pt.y));
agset(e, "head_lp", buf);
}
if (ED_tail_label(e)) {
pt = ED_tail_label(e)->p;
sprintf(buf, "%d,%d", pt.x, YDIR(pt.y));
agset(e, "tail_lp", buf);
}
}
}
}
rec_attach_bb(g);
agxbfree(&xb);
if (HAS_CLUST_EDGE(g))
undoClusterEdges(g);
*sp = s_arrows;
*ep = e_arrows;
}
void drvCAIRO::show_path()
{
DashPattern dp(dashPattern());
outf << endl;
outf << " /*" << endl;
outf << " * Path # " << currentNr() ;
if (isPolygon())
outf << " (polygon):" << endl;
else
outf << " (polyline):" << endl;
outf << " */" << endl;
outf << endl;
outf << " cairo_save (cr);" << endl;
outf << " cairo_set_line_width (cr, " << currentLineWidth() << ");" << endl;
// CAIRO_LINE_CAP_BUTT - start(stop) the line exactly at the start(end) point
// CAIRO_LINE_CAP_ROUND - use a round ending, the center of the circle is the end point
// CAIRO_LINE_CAP_SQUARE - use squared ending, the center of the square is the end point
outf << " cairo_set_line_cap (cr, ";
switch( currentLineCap() ) {
case 0:
outf << "CAIRO_LINE_CAP_BUTT);" << endl;
break;
case 1:
outf << "CAIRO_LINE_CAP_ROUND);" << endl;
break;
case 2:
outf << "CAIRO_LINE_CAP_SQUARE);" << endl;
break;
default:
errf << "Unexpected currentLineCap() in cairo driver: " << currentLineCap() << endl;
outf << "CAIRO_LINE_CAP_ROUND);" << endl;
break;
}
// cairo_set_dash (cairo_t *cr, const double *dashes, int num_dashes, double offset);
// dashes :
// an array specifying alternate lengths of on and off stroke portions
//
// num_dashes :
// the length of the dashes array
//
// offset :
// an offset into the dash pattern at which the stroke should start
//
// dashPattern: has nrOfEntries, float *numbers, float offset
if (dp.nrOfEntries > 0) {
outf << " {" << endl;
outf << " double pat[" << dp.nrOfEntries << "] = {" << endl;
for (int i = 0; i < dp.nrOfEntries; i++) {
outf << " " << dp.numbers[i] << ", " << endl;
}
outf << " };" << endl;
outf << endl;
outf << " cairo_set_dash (cr, pat, " << dp.nrOfEntries << ", " << dp.offset << ");" << endl;
outf << " }" << endl;
} else {
outf << " cairo_set_dash (cr, NULL, 0, 0.0);" << endl;
}
// cairo_move_to (cr, 0.25, 0.25);
// cairo_line_to (cr, 0.5, 0.375);
outf << " /* Path Elements 0 to " << numberOfElementsInPath() - 1 << " */" << endl;
print_coords();
switch (currentShowType()) {
case drvbase::stroke:
outf << " cairo_set_source_rgb (cr, " << edgeR() << "," << edgeG() << "," << edgeB() << ");" << endl;
outf << " cairo_stroke (cr);" << endl;
break;
case drvbase::eofill:
outf << " cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);" << endl;
evenoddmode = true;
case drvbase::fill:
outf << " cairo_set_source_rgb (cr, " << fillR() << "," << fillG() << "," << fillB() << ");" << endl;
outf << " cairo_fill_preserve (cr);" << endl;
if (evenoddmode) {
outf << " cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING);" << endl;
evenoddmode = false;
}
outf << " cairo_set_source_rgb (cr, " << edgeR() << "," << edgeG() << "," << edgeB() << ");" << endl;
outf << " cairo_stroke (cr);" << endl;
break;
default:
// cannot happen
outf << " // unexpected ShowType " << (int) currentShowType();
break;
}
outf << " cairo_restore (cr);" << endl;
}
const char * UPolyItem::print(const char * preStr, char * buff, const int buffCnt)
{
char * p1 = buff;
int n = 0;
//
snprintf(p1, buffCnt - n, "%s %s has %d points, closed=%s, color=%s\n", preStr, name, pointsCnt, bool2str(isPolygon()), color);
//
return buff;
}
void attach_attrs_and_arrows(graph_t* g, int* sp, int* ep)
{
int e_arrows; /* graph has edges with end arrows */
int s_arrows; /* graph has edges with start arrows */
int i, j, sides;
char buf[BUFSIZ]; /* Used only for small strings */
unsigned char xbuffer[BUFSIZ]; /* Initial buffer for xb */
agxbuf xb;
node_t *n;
edge_t *e;
pointf ptf;
int dim3 = (GD_odim(g) >= 3);
Agsym_t* bbsym;
gv_fixLocale (1);
e_arrows = s_arrows = 0;
setYInvert(g);
agxbinit(&xb, BUFSIZ, xbuffer);
safe_dcl(g, AGNODE, "pos", "");
safe_dcl(g, AGNODE, "rects", "");
N_width = safe_dcl(g, AGNODE, "width", "");
N_height = safe_dcl(g, AGNODE, "height", "");
safe_dcl(g, AGEDGE, "pos", "");
if (GD_has_labels(g) & NODE_XLABEL)
safe_dcl(g, AGNODE, "xlp", "");
if (GD_has_labels(g) & EDGE_LABEL)
safe_dcl(g, AGEDGE, "lp", "");
if (GD_has_labels(g) & EDGE_XLABEL)
safe_dcl(g, AGEDGE, "xlp", "");
if (GD_has_labels(g) & HEAD_LABEL)
safe_dcl(g, AGEDGE, "head_lp", "");
if (GD_has_labels(g) & TAIL_LABEL)
safe_dcl(g, AGEDGE, "tail_lp", "");
if (GD_label(g)) {
safe_dcl(g, AGRAPH, "lp", "");
safe_dcl(g, AGRAPH, "lwidth", "");
safe_dcl(g, AGRAPH, "lheight", "");
if (GD_label(g)->text[0]) {
ptf = GD_label(g)->pos;
sprintf(buf, "%.5g,%.5g", ptf.x, YDIR(ptf.y));
agset(g, "lp", buf);
ptf = GD_label(g)->dimen;
sprintf(buf, "%.2f", PS2INCH(ptf.x));
agset(g, "lwidth", buf);
sprintf(buf, "%.2f", PS2INCH(ptf.y));
agset(g, "lheight", buf);
}
}
bbsym = safe_dcl(g, AGRAPH, "bb", "");
for (n = agfstnode(g); n; n = agnxtnode(g, n)) {
if (dim3) {
int k;
sprintf(buf, "%.5g,%.5g,%.5g", ND_coord(n).x, YDIR(ND_coord(n).y), POINTS_PER_INCH*(ND_pos(n)[2]));
agxbput (&xb, buf);
for (k = 3; k < GD_odim(g); k++) {
sprintf(buf, ",%.5g", POINTS_PER_INCH*(ND_pos(n)[k]));
agxbput (&xb, buf);
}
agset(n, "pos", agxbuse(&xb));
} else {
sprintf(buf, "%.5g,%.5g", ND_coord(n).x, YDIR(ND_coord(n).y));
agset(n, "pos", buf);
}
sprintf(buf, "%.5g", PS2INCH(ND_ht(n)));
agxset(n, N_height, buf);
sprintf(buf, "%.5g", PS2INCH(ND_lw(n) + ND_rw(n)));
agxset(n, N_width, buf);
if (ND_xlabel(n) && ND_xlabel(n)->set) {
ptf = ND_xlabel(n)->pos;
sprintf(buf, "%.5g,%.5g", ptf.x, YDIR(ptf.y));
agset(n, "xlp", buf);
}
if (strcmp(ND_shape(n)->name, "record") == 0) {
set_record_rects(n, ND_shape_info(n), &xb);
agxbpop(&xb); /* get rid of last space */
agset(n, "rects", agxbuse(&xb));
} else {
polygon_t *poly;
int i;
if (N_vertices && isPolygon(n)) {
poly = (polygon_t *) ND_shape_info(n);
sides = poly->sides;
if (sides < 3) {
char *p = agget(n, "samplepoints");
if (p)
sides = atoi(p);
else
sides = 8;
if (sides < 3)
sides = 8;
}
for (i = 0; i < sides; i++) {
if (i > 0)
agxbputc(&xb, ' ');
if (poly->sides >= 3)
sprintf(buf, "%.5g %.5g",
PS2INCH(poly->vertices[i].x),
YFDIR(PS2INCH(poly->vertices[i].y)));
else
sprintf(buf, "%.5g %.5g",
ND_width(n) / 2.0 * cos(i / (double) sides * M_PI * 2.0),
YFDIR(ND_height(n) / 2.0 * sin(i / (double) sides * M_PI * 2.0)));
agxbput(&xb, buf);
}
agxset(n, N_vertices, agxbuse(&xb));
}
}
if (State >= GVSPLINES) {
for (e = agfstout(g, n); e; e = agnxtout(g, e)) {
if (ED_edge_type(e) == IGNORED)
continue;
if (ED_spl(e) == NULL)
continue; /* reported in postproc */
for (i = 0; i < ED_spl(e)->size; i++) {
if (i > 0)
agxbputc(&xb, ';');
if (ED_spl(e)->list[i].sflag) {
s_arrows = 1;
sprintf(buf, "s,%.5g,%.5g ",
ED_spl(e)->list[i].sp.x,
YDIR(ED_spl(e)->list[i].sp.y));
agxbput(&xb, buf);
}
if (ED_spl(e)->list[i].eflag) {
e_arrows = 1;
sprintf(buf, "e,%.5g,%.5g ",
ED_spl(e)->list[i].ep.x,
YDIR(ED_spl(e)->list[i].ep.y));
agxbput(&xb, buf);
}
for (j = 0; j < ED_spl(e)->list[i].size; j++) {
if (j > 0)
agxbputc(&xb, ' ');
ptf = ED_spl(e)->list[i].list[j];
sprintf(buf, "%.5g,%.5g", ptf.x, YDIR(ptf.y));
agxbput(&xb, buf);
}
}
agset(e, "pos", agxbuse(&xb));
if (ED_label(e)) {
ptf = ED_label(e)->pos;
sprintf(buf, "%.5g,%.5g", ptf.x, YDIR(ptf.y));
agset(e, "lp", buf);
}
if (ED_xlabel(e) && ED_xlabel(e)->set) {
ptf = ED_xlabel(e)->pos;
sprintf(buf, "%.5g,%.5g", ptf.x, YDIR(ptf.y));
agset(e, "xlp", buf);
}
if (ED_head_label(e)) {
ptf = ED_head_label(e)->pos;
sprintf(buf, "%.5g,%.5g", ptf.x, YDIR(ptf.y));
agset(e, "head_lp", buf);
}
if (ED_tail_label(e)) {
ptf = ED_tail_label(e)->pos;
sprintf(buf, "%.5g,%.5g", ptf.x, YDIR(ptf.y));
agset(e, "tail_lp", buf);
}
}
}
}
rec_attach_bb(g, bbsym);
agxbfree(&xb);
if (HAS_CLUST_EDGE(g))
undoClusterEdges(g);
*sp = s_arrows;
*ep = e_arrows;
gv_fixLocale (0);
}
