void Canvas::redraw()
{
QCanvasItemList l = m_canvas->allItems();
for(QCanvasItemList::iterator i = l.begin(),
e = l.end(); i != e; ++i)
{
delete *i;
}
unsigned count = 0;
for (unsigned x = 10; x < 4*1600; x += 20)
for (unsigned y = 10; y < 600; y += 20) {
QCanvasRectangle* r = new QCanvasRectangle(x, y, 10, 10, m_canvas);
r->setPen(m_pen);
r->setBrush(m_brushes[m_current_brush]);
r->show();
++count;
QCanvasText* t = new QCanvasText("D", m_canvas);
t->move(x, y);
t->show();
++count;
}
(new QCanvasText(QString::number(count), m_canvas))->show();
m_canvas->setAllChanged();
}
void Main::addText()
{
QCanvasText* i = new QCanvasText(&canvas);
i->setText("QCanvasText");
i->move(rand()%canvas.width(),rand()%canvas.height());
i->setZ(rand()%256);
i->show();
}
void ScheduleDialog::drawRuler(DrawProperties *p)
{
// draw ruler
QFont font = QApplication::font();
font.setPointSize(font.pointSize() - 2);
int x = p->x + p->nameWidth;
int currNs = 0;
double nsPer100 = RULER_INTERVAL * (1.0 / (p->pixPerNs * zoom_));
int rulerTick = (((int)nsPer100 / RULER_SNAP)+1) * RULER_SNAP;
while (x < p->width) {
x += (int)(p->pixPerNs * zoom_ * rulerTick);
currNs += rulerTick;
// draw short line
QCanvasLine *tick = new QCanvasLine(p->canvas);
tick->setPoints(x, p->y, x, p->y + 10);
tick->setPen(gray);
tick->show();
// draw long line
tick = new QCanvasLine(p->canvas);
tick->setPoints(x, p->y + 10, x, p->y + p->height);
tick->setPen(lightGray);
tick->show();
QCanvasText *text = new QCanvasText(formatTimeProperly(currNs),
p->canvas);
text->move(x + WIDGET_SPACING / 2, p->y + 1);
text->setColor(gray);
text->setFont(font);
text->show();
}
}
void ScheduleDialog::print()
{
PrintManager printer(project_->name());
if (!printer.setup()) return;
QPaintDeviceMetrics *metrics = printer.getMetrics();
int printCanvasWidth = metrics->width();
delete metrics;
int tableHeight = (blocks_.count() + 1) * PRINT_ITEM_HEIGHT;
QCanvas *printCanvas = new QCanvas(printCanvasWidth,
tableHeight + PRINT_ITEM_HEIGHT + canvas->height());
// first draw timing table
int y = 0;
Q_ASSERT(timingTable->numCols() == 4);
int xOfs[6] = {0, // x offsets of the columns
printCanvasWidth * 1/20,
printCanvasWidth * 4/10,
printCanvasWidth * 6/10,
printCanvasWidth * 8/10,
printCanvasWidth - 1};
QCanvasLine *line = new QCanvasLine(printCanvas);
line->setPoints(xOfs[0], y, xOfs[5], y);
line->setPen(gray);
line->show();
// print header and vertical lines
for (int i = 0; i <= 5; i++) {
if ((i > 0) && (i < 5)) {
QCanvasText* text = new QCanvasText(
timingTable->horizontalHeader()->label(i - 1), printCanvas);
text->move(xOfs[i] + PRINT_SPACING, y + PRINT_SPACING);
text->show();
}
line = new QCanvasLine(printCanvas);
line->setPoints(xOfs[i], y, xOfs[i], y + tableHeight);
line->setPen(gray);
line->show();
}
y += PRINT_ITEM_HEIGHT;
// now print contents
int row = 0;
QValueList<BlockNode*>::Iterator it;
for (it = blocks_.begin(); it != blocks_.end(); ++it) {
// number
QCanvasText* text;
text = new QCanvasText(QString::number(row + 1), printCanvas);
text->move(xOfs[0] + PRINT_SPACING, y + PRINT_SPACING);
text->show();
// other contents
for (int i = 1; i <= 4; i++) {
text = new QCanvasText(timingTable->text(row, i - 1), printCanvas);
text->move(xOfs[i] + PRINT_SPACING, y + PRINT_SPACING);
text->show();
}
// horizontal line
line = new QCanvasLine(printCanvas);
line->setPoints(xOfs[0], y, xOfs[5], y);
line->setPen(gray);
line->show();
y += PRINT_ITEM_HEIGHT;
row++;
}
line = new QCanvasLine(printCanvas);
line->setPoints(xOfs[0], y, xOfs[5], y);
line->setPen(gray);
line->show();
y += PRINT_ITEM_HEIGHT;
// properties for the graph
DrawProperties p;
p.nameWidth = PRINT_NAME_WIDTH;
p.x = 0;
p.y = y;
p.width = printCanvasWidth;
p.height = canvas->height();
p.canvas = printCanvas;
// now draw graph
unsigned int max_clock = 0;
for (it = blocks_.begin(); it != blocks_.end(); ++it) {
max_clock = QMAX(max_clock, (*it)->clock());
}
p.pixPerNs = (max_clock > 0)
? (double)canvas->width() / (max_clock * BLOCKS_PER_CANVAS)
: 1.0;
drawRuler(&p);
for (it = blocks_.begin(); it != blocks_.end(); ++it) {
drawTimings(&p, *it);
}
// finally print canvas
printer.print(printCanvas);
}
void ScheduleDialog::drawTimings(DrawProperties *p, BlockNode* node)
{
int line = blocks_.findIndex(node);
int y = p->y + line * (BOX_HEIGHT + BOX_YSPACING) + RULER_HEIGHT;
// if nameWidth is set the name should be drawn within the graph canvas
if (p->nameWidth == 0) {
// draw labels
QCanvasText* text = new QCanvasText(node->model()->name(), labelCanvas);
text->move(WIDGET_SPACING, y);
text->show();
// resize canvas if label doesn't fit.
if ((int)(text->boundingRect().width() + 2 * WIDGET_SPACING)
> labelCanvas->width())
{
labelCanvas->resize(text->boundingRect().width()
+ (2 * WIDGET_SPACING), labelCanvas->height());
labelCanvasView->setFixedWidth(labelCanvas->width() + 4);
}
} else {
// draw labels
QCanvasText* text = new QCanvasText(node->model()->name(), p->canvas);
text->move(p->x, y);
text->show();
}
// check if block is configured correctly
if (node->clock() <= 0) {
// draw info and skip
QCanvasRectangle *box = new QCanvasRectangle(p->canvas);
box->setSize(p->width - p->nameWidth, BOX_HEIGHT + BOX_YSPACING);
box->setBrush(white);
box->setPen(lightGray);
box->move(p->x + p->nameWidth, RULER_HEIGHT - BOX_YSPACING
/ 2 + line * (BOX_YSPACING + BOX_HEIGHT));
box->setZ(2);
box->show();
QCanvasText *text = new QCanvasText(tr("Missing clock value."),
p->canvas);
text->move(p->x + p->nameWidth, y);
text->setColor(black);
text->setZ(3);
text->show();
return;
}
// draw blocks
int t = node->offset();
double X = t * p->pixPerNs;
while (X < p->width - p->nameWidth) {
// draw block
QRect thisBlock = calcBlockPosition(p, node, t);
QCanvasRectangle* box = new FancyRectangle(thisBlock, p->canvas);
// box->setBrush(QBrush(white));
box->setBrush(QBrush(colormanager_->color(node->model())));
box->setZ(2);
box->show();
// draw lines for all connected 'children'
QPtrList<BlockNode> neighbours = node->neighbours();
for (QPtrListIterator<BlockNode> it(neighbours); it != 0; ++it) {
BlockNode *target = *it;
// skip if child has no clock
if (target->clock() <= 0) {
continue;
}
// find next start time for the target block
unsigned int targetTime = target->offset();
while (targetTime <= t + node->runtime()) {
targetTime += target->clock();
}
// check if this block is the next source for the target block
if (t + (2 * node->runtime()) + node->clock() < targetTime) {
continue;
}
// calculate position of the target block
QRect targetBlock = calcBlockPosition(p, target, targetTime);
// draw a line with arrowhead between this block and the next
// target block.
QCanvasLine *line = new ArrowLine(p->canvas);
int start = thisBlock.x() + (int)rint(node->runtime() * p->pixPerNs * zoom_);
line->setPoints(start,
thisBlock.y() + thisBlock.height(),
targetBlock.x(),
targetBlock.y());
line->setZ(1);
line->show();
}
t += node->clock();
X = rint(t * p->pixPerNs);
}
return;
}