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-rw-r--r--muse2/muse/midiedit/scoreedit.cpp196
-rw-r--r--muse2/muse/midiedit/scoreedit.h24
2 files changed, 168 insertions, 52 deletions
diff --git a/muse2/muse/midiedit/scoreedit.cpp b/muse2/muse/midiedit/scoreedit.cpp
index 49181776..aff9198d 100644
--- a/muse2/muse/midiedit/scoreedit.cpp
+++ b/muse2/muse/midiedit/scoreedit.cpp
@@ -143,6 +143,7 @@ ScoreCanvas::ScoreCanvas(MidiEditor* pr, QWidget* parent,
load_pixmaps();
x_pos=0;
+ x_left=0;
dragging=false;
mouse_erases_notes=false;
mouse_inserts_notes=true;
@@ -234,6 +235,9 @@ void ScoreCanvas::load_pixmaps()
pix_flag_down[2].load(FONT_PATH "flags32d.png");
pix_flag_down[3].load(FONT_PATH "flags64d.png");
+ pix_clef_violin.load(FONT_PATH "clef_violin_big.png");
+ pix_clef_bass.load(FONT_PATH "clef_bass_big.png");
+
for (int i=0;i<10;i++)
pix_num[i].load(QString((string(FONT_PATH "")+IntToStr(i)+string(".png")).c_str()));
}
@@ -346,7 +350,8 @@ ScoreEventList ScoreCanvas::createAppropriateEventList(PartList* pl)
//TODO FINDMICH MARKER
- result.insert(pair<unsigned, FloEvent>(0, FloEvent(0,FloEvent::KEY_CHANGE, C ) ) );
+ result.insert(pair<unsigned, FloEvent>(0, FloEvent(0,FloEvent::KEY_CHANGE, A ) ) );
+ result.insert(pair<unsigned, FloEvent>(4*384, FloEvent(4*384,FloEvent::KEY_CHANGE, ES ) ) );
// phase two: deal with overlapping notes ---------------------------
@@ -696,7 +701,6 @@ list<note_len_t> ScoreCanvas::parse_note_len(int len_ticks, int begin_tick, vect
#define DOT_XBEGIN 10
#define DOT_XBEGIN_REST 10
-#define TIMESIG_POSADD 20
#define NUMBER_HEIGHT (pix_num[0].height())
//kann 0 oder 1 sein:
@@ -760,6 +764,18 @@ void ScoreCanvas::draw_tie (QPainter& p, int x1, int x4, int yo, bool up, QColor
p.drawPath(path);
}
+void ScoreCanvas::draw_accidentials(QPainter& p, int x, const list<int>& acc_list, const QPixmap& pix)
+{
+ int n_acc_drawn=0;
+
+ for (list<int>::const_iterator acc_it=acc_list.begin(); acc_it!=acc_list.end(); acc_it++)
+ {
+ int y_coord=YDIST+4*YLEN - ( *acc_it -2)*YLEN/2; //Y_MARKER
+ draw_pixmap(p,x + n_acc_drawn*KEYCHANGE_ACC_DIST,y_coord,pix);
+ n_acc_drawn++;
+ }
+}
+
ScoreItemList ScoreCanvas::create_itemlist(ScoreEventList& eventlist)
{
ScoreItemList itemlist;
@@ -1500,15 +1516,28 @@ void ScoreCanvas::draw_items(QPainter& p, ScoreItemList& itemlist, int x1, int x
void ScoreCanvas::draw_items(QPainter& p, ScoreItemList& itemlist)
{
- draw_items(p,itemlist,x_pos,x_pos+width());
+ draw_items(p,itemlist,x_pos,x_pos+width()-x_left);
}
void ScoreCanvas::draw_items(QPainter& p, ScoreItemList& itemlist, ScoreItemList::iterator from_it, ScoreItemList::iterator to_it)
{
+ // init accidentials properly
vorzeichen_t curr_accidential[7];
vorzeichen_t default_accidential[7];
- for (int i=0;i<7;i++) default_accidential[i]=NONE;
- tonart_t curr_key=C;
+ tonart_t curr_key;
+
+ curr_key=key_at_tick(from_it->first);
+ list<int> new_acc_list=calc_accidentials(curr_key, USED_CLEF);
+ QPixmap* pix = is_sharp_key(curr_key) ? &pix_sharp[BLACK_PIXMAP] : &pix_b[BLACK_PIXMAP];
+ vorzeichen_t new_accidential = is_sharp_key(curr_key) ? SHARP : B;
+
+ for (int i=0;i<7;i++)
+ curr_accidential[i]=default_accidential[i]=NONE;
+
+ for (list<int>::iterator acc_it=new_acc_list.begin(); acc_it!=new_acc_list.end(); acc_it++)
+ default_accidential[*acc_it % 7]=curr_accidential[*acc_it % 7]=new_accidential;
+
+
for (ScoreItemList::iterator it2=from_it; it2!=to_it; it2++)
{
@@ -1574,17 +1603,17 @@ void ScoreCanvas::draw_items(QPainter& p, ScoreItemList& itemlist, ScoreItemList
{ //Y_MARKER
p.setPen(Qt::black);
for (int i=0; i>=it->pos.height; i-=2)
- p.drawLine(it->x-it->pix->width()*AUX_LINE_LEN/2 -x_pos,YDIST+4*YLEN - (i-2)*YLEN/2,it->x+it->pix->width()*AUX_LINE_LEN/2-x_pos,YDIST+4*YLEN - (i-2)*YLEN/2);
+ p.drawLine(it->x-it->pix->width()*AUX_LINE_LEN/2 -x_pos+x_left,YDIST+4*YLEN - (i-2)*YLEN/2,it->x+it->pix->width()*AUX_LINE_LEN/2-x_pos+x_left,YDIST+4*YLEN - (i-2)*YLEN/2);
}
else if (it->pos.height >= 12) //we need auxiliary lines on the top?
{ //Y_MARKER
p.setPen(Qt::black);
for (int i=12; i<=it->pos.height; i+=2)
- p.drawLine(it->x-it->pix->width()*AUX_LINE_LEN/2 -x_pos,YDIST+4*YLEN - (i-2)*YLEN/2,it->x+it->pix->width()*AUX_LINE_LEN/2-x_pos,YDIST+4*YLEN - (i-2)*YLEN/2);
+ p.drawLine(it->x-it->pix->width()*AUX_LINE_LEN/2 -x_pos+x_left,YDIST+4*YLEN - (i-2)*YLEN/2,it->x+it->pix->width()*AUX_LINE_LEN/2-x_pos+x_left,YDIST+4*YLEN - (i-2)*YLEN/2);
}
- draw_pixmap(p,it->x -x_pos,it->y,it->pix[it->source_part->colorIndex()]);
+ draw_pixmap(p,it->x -x_pos+x_left,it->y,it->pix[it->source_part->colorIndex()]);
//TODO FINDMICH draw a margin around bright colors
//maybe draw the default color in black?
@@ -1603,7 +1632,7 @@ void ScoreCanvas::draw_items(QPainter& p, ScoreItemList& itemlist, ScoreItemList
for (int i=0;i<it->dots;i++)
{
- draw_pixmap(p,it->x+x_dot -x_pos,it->y+y_dot,pix_dot[it->source_part->colorIndex()]);
+ draw_pixmap(p,it->x+x_dot -x_pos+x_left,it->y+y_dot,pix_dot[it->source_part->colorIndex()]);
x_dot+=DOT_XDIST;
}
@@ -1619,7 +1648,7 @@ void ScoreCanvas::draw_items(QPainter& p, ScoreItemList& itemlist, ScoreItemList
case SHARP: acc_pix=pix_sharp; break;
case B: acc_pix=pix_b; break;
}
- draw_pixmap(p,it->x-ACCIDENTIAL_DIST -x_pos,it->y, acc_pix[it->source_part->colorIndex()]);
+ draw_pixmap(p,it->x-ACCIDENTIAL_DIST -x_pos+x_left,it->y, acc_pix[it->source_part->colorIndex()]);
curr_accidential[modulo(it->pos.height,7)]=it->pos.vorzeichen;
}
@@ -1629,7 +1658,7 @@ void ScoreCanvas::draw_items(QPainter& p, ScoreItemList& itemlist, ScoreItemList
if (it->is_tie_dest)
{
cout << "drawing tie" << endl;
- draw_tie(p,it->tie_from_x-x_pos,it->x -x_pos,it->y, (it->len==0) ? true : (it->stem==DOWNWARDS) , config.partColors[it->source_part->colorIndex()]);
+ draw_tie(p,it->tie_from_x-x_pos+x_left,it->x -x_pos+x_left,it->y, (it->len==0) ? true : (it->stem==DOWNWARDS) , config.partColors[it->source_part->colorIndex()]);
// in english: "if it's a whole note, tie is upwards (true). if not, tie is upwards if
// stem is downwards and vice versa"
}
@@ -1640,7 +1669,7 @@ void ScoreCanvas::draw_items(QPainter& p, ScoreItemList& itemlist, ScoreItemList
for (int i=0;i<it->dots;i++) cout << ".";
cout << " , ausweich="<<it->ausweich<<endl;
- draw_pixmap(p,it->x -x_pos,it->y,*it->pix);
+ draw_pixmap(p,it->x -x_pos+x_left,it->y,*it->pix);
//draw dots
@@ -1657,7 +1686,7 @@ void ScoreCanvas::draw_items(QPainter& p, ScoreItemList& itemlist, ScoreItemList
for (int i=0;i<it->dots;i++)
{
- draw_pixmap(p,it->x+x_dot -x_pos,it->y+y_dot,pix_dot[BLACK_PIXMAP]);
+ draw_pixmap(p,it->x+x_dot -x_pos+x_left,it->y+y_dot,pix_dot[BLACK_PIXMAP]);
x_dot+=DOT_XDIST;
}
}
@@ -1665,8 +1694,8 @@ void ScoreCanvas::draw_items(QPainter& p, ScoreItemList& itemlist, ScoreItemList
{
cout << "\tBAR" << endl;
- p.setPen(Qt::black);
- p.drawLine(it->x -x_pos,YDIST,it->x -x_pos,YDIST+4*YLEN);
+ p.setPen(Qt::black); //Y_MARKER
+ p.drawLine(it->x -x_pos+x_left,YDIST,it->x -x_pos+x_left,YDIST+4*YLEN);
for (int i=0;i<7;i++)
curr_accidential[i]=default_accidential[i];
@@ -1675,46 +1704,32 @@ void ScoreCanvas::draw_items(QPainter& p, ScoreItemList& itemlist, ScoreItemList
{
cout << "\tTIME SIGNATURE: "<<it->num<<"/"<<it->denom<<endl;
- int y_coord=YDIST+2*YLEN;
- draw_timesig(p, it->x - x_pos, y_coord, it->num, it->denom);
+ draw_timesig(p, it->x - x_pos+x_left, it->num, it->denom);
}
else if (it->type==FloItem::KEY_CHANGE)
{
tonart_t new_key=it->tonart;
cout << "\tKEY CHANGE: from "<<curr_key<<" to "<<new_key<<endl;
- int n_acc_drawn=0;
-
list<int> aufloes_list=calc_accidentials(curr_key, USED_CLEF, new_key);
list<int> new_acc_list=calc_accidentials(new_key, USED_CLEF);
// vorzeichen aus curr_key auflösen
- for (list<int>::iterator acc_it=aufloes_list.begin(); acc_it!=aufloes_list.end(); acc_it++)
- {
- int y_coord=YDIST+4*YLEN - ( *acc_it -2)*YLEN/2; //Y_MARKER
- draw_pixmap(p,it->x + n_acc_drawn*KEYCHANGE_ACC_DIST + KEYCHANGE_ACC_LEFTDIST -x_pos,y_coord,pix_noacc[BLACK_PIXMAP]);
- n_acc_drawn++;
- }
-
+ draw_accidentials(p, it->x + KEYCHANGE_ACC_LEFTDIST - x_pos+x_left, aufloes_list, pix_noacc[BLACK_PIXMAP]);
+
+ // alle vorzeichen aus new_key zeichnen
QPixmap* pix = is_sharp_key(new_key) ? &pix_sharp[BLACK_PIXMAP] : &pix_b[BLACK_PIXMAP];
vorzeichen_t new_accidential = is_sharp_key(new_key) ? SHARP : B;
-
+
+ draw_accidentials(p, it->x + aufloes_list.size()*KEYCHANGE_ACC_DIST + KEYCHANGE_ACC_LEFTDIST - x_pos+x_left, new_acc_list, *pix);
+
for (int i=0;i<7;i++)
- default_accidential[i]=NONE;
+ curr_accidential[i]=default_accidential[i]=NONE;
- // alle vorzeichen aus new_key zeichnen
for (list<int>::iterator acc_it=new_acc_list.begin(); acc_it!=new_acc_list.end(); acc_it++)
- {
- int y_coord=YDIST+4*YLEN - ( *acc_it -2)*YLEN/2; //Y_MARKER
- draw_pixmap(p,it->x + n_acc_drawn*KEYCHANGE_ACC_DIST + KEYCHANGE_ACC_LEFTDIST -x_pos,y_coord,*pix);
- n_acc_drawn++;
-
- default_accidential[*acc_it % 7]=new_accidential;
- }
+ default_accidential[*acc_it % 7]=curr_accidential[*acc_it % 7]=new_accidential;
curr_key=new_key;
- for (int i=0;i<7;i++)
- curr_accidential[i]=default_accidential[i];
}
}
@@ -1723,34 +1738,88 @@ void ScoreCanvas::draw_items(QPainter& p, ScoreItemList& itemlist, ScoreItemList
if (upstem_x!=-1)
{
upstem_x=upstem_x-pix_quarter[0].width()/2 +pix_quarter[0].width() -1;
- p.drawLine(upstem_x -x_pos, upstem_y1, upstem_x -x_pos, upstem_y2-STEM_LEN);
+ p.drawLine(upstem_x -x_pos+x_left, upstem_y1, upstem_x -x_pos+x_left, upstem_y2-STEM_LEN);
if (upflag>=3) //if the note needs a flag
- p.drawPixmap(upstem_x -x_pos,upstem_y2-STEM_LEN,pix_flag_up[upflag-3]);
+ p.drawPixmap(upstem_x -x_pos+x_left,upstem_y2-STEM_LEN,pix_flag_up[upflag-3]);
}
if (downstem_x!=-1)
{
downstem_x=downstem_x-pix_quarter[0].width()/2;
- p.drawLine(downstem_x -x_pos, downstem_y1+STEM_LEN, downstem_x -x_pos, downstem_y2);
+ p.drawLine(downstem_x -x_pos+x_left, downstem_y1+STEM_LEN, downstem_x -x_pos+x_left, downstem_y2);
if (downflag>=3) //if the note needs a flag
- p.drawPixmap(downstem_x -x_pos,downstem_y1+STEM_LEN-pix_flag_down[downflag-3].height(),pix_flag_down[downflag-3]);
+ p.drawPixmap(downstem_x -x_pos+x_left,downstem_y1+STEM_LEN-pix_flag_down[downflag-3].height(),pix_flag_down[downflag-3]);
}
}
}
+int ScoreCanvas::clef_height(clef_t clef)
+{
+ switch (clef) //CLEF_MARKER
+ {
+ case VIOLIN: return 4;
+ case BASS: return 8;
+ default:
+ cout << "WARNING: ILLEGAL FUNCTION CALL in clef_height()" << endl;
+ return 6;
+ }
+}
+
#define TIMESIG_LEFTMARGIN 5
#define TIMESIG_RIGHTMARGIN 5
#define DIGIT_YDIST 9
#define DIGIT_WIDTH 12
-void ScoreCanvas::draw_timesig(QPainter& p, int x, int y, int num, int denom)
+#define CLEF_LEFTMARGIN 5
+#define CLEF_RIGHTMARGIN 5
+
+
+void ScoreCanvas::draw_preamble(QPainter& p)
+{
+ int tick=x_to_tick(x_pos);
+
+ // draw clef --------------------------------------------------------
+ QPixmap* pix_clef= (USED_CLEF==BASS) ? &pix_clef_bass : &pix_clef_violin;
+ int y_coord=YDIST+4*YLEN - ( clef_height(USED_CLEF) -2)*YLEN/2; //Y_MARKER
+
+ draw_pixmap(p,CLEF_LEFTMARGIN + pix_clef->width()/2,y_coord,*pix_clef);
+
+ x_left= CLEF_LEFTMARGIN + pix_clef->width() + CLEF_RIGHTMARGIN + KEYCHANGE_ACC_LEFTDIST;
+
+
+ // draw accidentials ------------------------------------------------
+ tonart_t key=key_at_tick(tick);
+ QPixmap* pix_acc=is_sharp_key(key) ? &pix_sharp[BLACK_PIXMAP] : &pix_b[BLACK_PIXMAP];
+ list<int> acclist=calc_accidentials(key,USED_CLEF);
+
+ draw_accidentials(p,x_left,acclist ,*pix_acc);
+
+ x_left+=acclist.size()*KEYCHANGE_ACC_DIST + KEYCHANGE_ACC_RIGHTDIST + TIMESIG_LEFTMARGIN;
+
+
+ // draw time signature ----------------------------------------------
+ timesig_t timesig=timesig_at_tick(tick);
+
+ draw_timesig(p, x_left, timesig.num, timesig.denom);
+
+ x_left+=calc_timesig_width(timesig.num, timesig.denom)+TIMESIG_RIGHTMARGIN;
+
+ // draw bar ---------------------------------------------------------
+ p.setPen(Qt::black); //Y_MARKER
+ p.drawLine(x_left,YDIST,x_left,YDIST+4*YLEN);
+
+}
+
+
+void ScoreCanvas::draw_timesig(QPainter& p, int x, int num, int denom)
{
int num_width=calc_number_width(num);
int denom_width=calc_number_width(denom);
int width=((num_width > denom_width) ? num_width : denom_width);
int num_indent=(width-num_width)/2 + TIMESIG_LEFTMARGIN;
int denom_indent=(width-denom_width)/2 + TIMESIG_LEFTMARGIN;
+ int y=YDIST+2*YLEN;
draw_number(p, x+num_indent, y-DIGIT_YDIST, num);
draw_number(p, x+denom_indent, y+DIGIT_YDIST, denom);
@@ -1792,7 +1861,10 @@ void ScoreCanvas::draw(QPainter& p, const QRect& rect)
p.setPen(Qt::black);
draw_note_lines(p);
+ draw_preamble(p);
+ p.setClipRect(x_left+1,0,p.device()->width(),p.device()->height());
draw_items(p, itemlist);
+ p.setClipping(false);
}
@@ -1882,6 +1954,19 @@ tonart_t ScoreCanvas::key_at_tick(int t)
return tmp;
}
+timesig_t ScoreCanvas::timesig_at_tick(int t)
+{
+ timesig_t tmp;
+ for (ScoreEventList::iterator it=eventlist.begin(); it!=eventlist.end() && it->first<=t; it++)
+ if (it->second.type==FloEvent::TIME_SIG)
+ {
+ tmp.num=it->second.num;
+ tmp.denom=it->second.denom;
+ }
+
+ return tmp;
+}
+
int ScoreCanvas::height_to_pitch(int h, clef_t clef)
{
int foo[]={0,2,4,5,7,9,11};
@@ -1935,7 +2020,7 @@ void ScoreCanvas::mousePressEvent (QMouseEvent* event)
// noten werden aber genau in die mitte dieses bereiches gezeichnet
int y=event->y();
- int x=event->x()+x_pos;
+ int x=event->x()+x_pos-x_left;
int tick=flo_quantize_floor(x_to_tick(x));
//TODO quantizing must (maybe?) be done with the proper functions
@@ -2041,6 +2126,8 @@ void ScoreCanvas::mousePressEvent (QMouseEvent* event)
mouse_operation=NO_OP;
mouse_x_drag_operation=LENGTH;
+ song_changed(0);
+
setMouseTracking(true);
dragging=true;
//song->startUndo(); unneccessary because we have started it already above
@@ -2085,7 +2172,7 @@ void ScoreCanvas::mouseMoveEvent (QMouseEvent* event)
int dy=event->y()-mouse_down_pos.y();
int y=event->y();
- int x=event->x()+x_pos;
+ int x=event->x()+x_pos-x_left;
int tick=flo_quantize_floor(x_to_tick(x));
if (mouse_operation==NO_OP)
@@ -2204,20 +2291,27 @@ void ScoreCanvas::scroll_event(int x)
* operator/ rounds towards zero. (-5)/7=0, but should be -1
*
* IMPORTANT TODO
+ * o support violin and bass clefs at one time
+ * o support multiple note systems
+ * o let the user select which clef to use
+ * o use correct scrolling bounds
* o removing the part the score's working on isn't handled
* o let the user select the currently edited part
* o let the user select between "colors after the parts",
* "colors after selected/unselected part" and "all black"
- * o draw clef, maybe support clef changes
- * o support violin and bass at one time
- * o use correct scrolling bounds
* o automatically scroll when playing
* o support selections
*
* less important stuff
- * o draw a margin about notes which are in a bright color
+ * o let the user select whether the preamble should have
+ * a fixed length (?)
+ * o let the user select what the preamble has to contain
+ * o set distances properly
+ * o use timesig_t in all timesig-stuff
+ * o emit a "song-changed" signal instead of calling our
+ * internal song_changed() function
+ * o draw a margin around notes which are in a bright color
* o maybe override color 0 with "black"?
- * o create nice functions for drawing keychange-accidentials
* o check if "moving away" works for whole notes [seems to NOT work properly]
* o use bars instead of flags over groups of 8ths / 16ths etc
* o (change ItemList into map< pos_t , mutable_stuff_t >) [no]
@@ -2226,6 +2320,8 @@ void ScoreCanvas::scroll_event(int x)
* e.g. accidentials, creating notes, rendering etc.
* o replace all kinds of "full-measure-rests" with the whole rest
* in the middle of the measure
+ * o check if the new function for drawing accidential works
+ * the change was introduced after 873815e57a5d1edc147710b524936b6f6260f555
*
* stuff for the other muse developers
* o check if dragging notes is done correctly
diff --git a/muse2/muse/midiedit/scoreedit.h b/muse2/muse/midiedit/scoreedit.h
index 4bb4c48b..58c5ea18 100644
--- a/muse2/muse/midiedit/scoreedit.h
+++ b/muse2/muse/midiedit/scoreedit.h
@@ -401,6 +401,11 @@ struct cumulative_t
};
#define BLACK_PIXMAP (NUM_PARTCOLORS)
+struct timesig_t
+{
+ int num;
+ int denom;
+};
class ScoreCanvas : public View
{
@@ -417,22 +422,27 @@ class ScoreCanvas : public View
void process_itemlist(ScoreItemList& itemlist);
void draw_pixmap(QPainter& p, int x, int y, const QPixmap& pm);
void draw_note_lines(QPainter& p);
+ void draw_preamble(QPainter& p);
void draw_items(QPainter& p, ScoreItemList& itemlist, ScoreItemList::iterator from_it, ScoreItemList::iterator to_it);
void draw_items(QPainter& p, ScoreItemList& itemlist, int x1, int x2);
void draw_items(QPainter& p, ScoreItemList& itemlist);
void calc_item_pos(ScoreItemList& itemlist);
list<int> calc_accidentials(tonart_t key, clef_t clef, tonart_t next_key=C);
-
- void draw_timesig(QPainter& p, int x, int y, int num, int denom);
+ void draw_accidentials(QPainter& p, int x, const list<int>& acc_list, const QPixmap& pix);
+
+ void draw_timesig(QPainter& p, int x, int num, int denom);
int calc_timesig_width(int num, int denom);
void draw_number(QPainter& p, int x, int y, int n);
int calc_number_width(int n);
+ int clef_height(clef_t clef);
+
int y_to_pitch(int y, int t, clef_t clef);
int y_to_height(int y);
int height_to_pitch(int h, clef_t clef, tonart_t key);
int height_to_pitch(int h, clef_t clef);
+ timesig_t timesig_at_tick(int t);
tonart_t key_at_tick(int t);
int tick_to_x(int t);
int x_to_tick(int x);
@@ -443,12 +453,22 @@ class ScoreCanvas : public View
QPixmap pix_dot[NUM_PARTCOLORS+1], pix_flag_up[4], pix_flag_down[4];
QPixmap pix_b[NUM_PARTCOLORS+1], pix_sharp[NUM_PARTCOLORS+1], pix_noacc[NUM_PARTCOLORS+1];
QPixmap pix_num[10];
+ QPixmap pix_clef_violin, pix_clef_bass;
std::map<int,int> pos_add_list;
ScoreEventList eventlist;
ScoreItemList itemlist;
+
+ // the drawing area is split into a "preamble" containing clef,
+ // key and time signature, and the "item's area" containing the
+ // actual items (notes, bars, rests, etc.)
+ // x_pos is responsible for scrolling. an item with item->x==x_pos
+ // will be drawn exactly at the left beginning of the item's area
+ // x_left could also be called "preamble's width". it defines
+ // where the item's area begins
int x_pos;
+ int x_left;
Part* curr_part;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 22:13:06 +0000