#include <boost/foreach.hpp>
#include <QAction>
+#include <QApplication>
#include <QComboBox>
#include <QFormLayout>
#include <QLabel>
#include <pv/data/decode/decoder.h>
#include <pv/data/logic.h>
#include <pv/data/logicsnapshot.h>
+#include <pv/data/decode/annotation.h>
#include <pv/view/logicsignal.h>
#include <pv/view/view.h>
-#include <pv/view/decode/annotation.h>
#include <pv/widgets/decodergroupbox.h>
#include <pv/widgets/decodermenu.h>
-using namespace boost;
-using namespace std;
+using boost::dynamic_pointer_cast;
+using boost::shared_ptr;
+using std::list;
+using std::max;
+using std::map;
+using std::min;
+using std::vector;
namespace pv {
namespace view {
const QColor DecodeTrace::ErrorBgColour = QColor(0xEF, 0x29, 0x29);
const QColor DecodeTrace::NoDecodeColour = QColor(0x88, 0x8A, 0x85);
+const double DecodeTrace::EndCapWidth = 5;
+const int DecodeTrace::DrawPadding = 100;
+
+const QColor DecodeTrace::Colours[7] = {
+ QColor(0xFC, 0xE9, 0x4F), // Light Butter
+ QColor(0xFC, 0xAF, 0x3E), // Light Orange
+ QColor(0xE9, 0xB9, 0x6E), // Light Chocolate
+ QColor(0x8A, 0xE2, 0x34), // Light Green
+ QColor(0x72, 0x9F, 0xCF), // Light Blue
+ QColor(0xAD, 0x7F, 0xA8), // Light Plum
+ QColor(0xEF, 0x29, 0x29) // Light Red
+};
+
DecodeTrace::DecodeTrace(pv::SigSession &session,
boost::shared_ptr<pv::data::DecoderStack> decoder_stack, int index) :
- Trace(session, QString(decoder_stack->stack().front()->decoder()->name)),
+ Trace(session, QString::fromUtf8(
+ decoder_stack->stack().front()->decoder()->name)),
_decoder_stack(decoder_stack),
_delete_mapper(this)
{
void DecodeTrace::paint_mid(QPainter &p, int left, int right)
{
- using namespace pv::view::decode;
+ using pv::data::decode::Annotation;
const double scale = _view->scale();
assert(scale > 0);
_decoder_stack->get_start_time()) / scale;
const double samples_per_pixel = samplerate * scale;
- const int h = (_text_size.height() * 5) / 4;
+ QFontMetrics m(QApplication::font());
+ const int h = (m.boundingRect(QRect(), 0, "Tg").height() * 5) / 4;
assert(_decoder_stack);
const QString err = _decoder_stack->error_message();
const int y = get_y();
assert(_decoder_stack);
- vector< shared_ptr<Annotation> > annotations(_decoder_stack->annotations());
- BOOST_FOREACH(shared_ptr<Annotation> a, annotations) {
- assert(a);
- a->paint(p, get_text_colour(), h, left, right,
+ vector<Annotation> annotations(_decoder_stack->annotations());
+ BOOST_FOREACH(const Annotation &a, annotations)
+ draw_annotation(a, p, get_text_colour(), h, left, right,
samples_per_pixel, pixels_offset, y);
- }
draw_unresolved_period(p, h, left, right,
samples_per_pixel, pixels_offset);
return menu;
}
+void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, QPainter &p,
+ QColor text_color, int h, int left, int right, double samples_per_pixel,
+ double pixels_offset, int y) const
+{
+ const double start = a.start_sample() / samples_per_pixel -
+ pixels_offset;
+ const double end = a.end_sample() / samples_per_pixel -
+ pixels_offset;
+ const QColor fill = Colours[(a.format() * (countof(Colours) / 2 + 1)) %
+ countof(Colours)];
+ const QColor outline(fill.darker());
+
+ if (start > right + DrawPadding || end < left - DrawPadding)
+ return;
+
+ if (a.start_sample() == a.end_sample())
+ draw_instant(a, p, fill, outline, text_color, h,
+ start, y);
+ else
+ draw_range(a, p, fill, outline, text_color, h,
+ start, end, y);
+}
+
+void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
+ QColor fill, QColor outline, QColor text_color, int h, double x, int y) const
+{
+ const QString text = a.annotations().empty() ?
+ QString() : a.annotations().back();
+ const double w = min(p.boundingRect(QRectF(), 0, text).width(),
+ 0.0) + h;
+ const QRectF rect(x - w / 2, y - h / 2, w, h);
+
+ p.setPen(outline);
+ p.setBrush(fill);
+ p.drawRoundedRect(rect, h / 2, h / 2);
+
+ p.setPen(text_color);
+ p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text);
+}
+
+void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p,
+ QColor fill, QColor outline, QColor text_color, int h, double start,
+ double end, int y) const
+{
+ const double top = y + .5 - h / 2;
+ const double bottom = y + .5 + h / 2;
+ const vector<QString> annotations = a.annotations();
+
+ p.setPen(outline);
+ p.setBrush(fill);
+
+ // If the two ends are within 1 pixel, draw a vertical line
+ if (start + 1.0 > end)
+ {
+ p.drawLine(QPointF(start, top), QPointF(start, bottom));
+ return;
+ }
+
+ const double cap_width = min((end - start) / 4, EndCapWidth);
+
+ QPointF pts[] = {
+ QPointF(start, y + .5f),
+ QPointF(start + cap_width, top),
+ QPointF(end - cap_width, top),
+ QPointF(end, y + .5f),
+ QPointF(end - cap_width, bottom),
+ QPointF(start + cap_width, bottom)
+ };
+
+ p.drawConvexPolygon(pts, countof(pts));
+
+ if (annotations.empty())
+ return;
+
+ QRectF rect(start + cap_width, y - h / 2,
+ end - start - cap_width * 2, h);
+ p.setPen(text_color);
+
+ // Try to find an annotation that will fit
+ QString best_annotation;
+ int best_width = 0;
+
+ BOOST_FOREACH(const QString &a, annotations) {
+ const int w = p.boundingRect(QRectF(), 0, a).width();
+ if (w <= rect.width() && w > best_width)
+ best_annotation = a, best_width = w;
+ }
+
+ if (best_annotation.isEmpty())
+ best_annotation = annotations.back();
+
+ // If not ellide the last in the list
+ p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText(
+ best_annotation, Qt::ElideRight, rect.width()));
+}
+
void DecodeTrace::draw_error(QPainter &p, const QString &message,
int left, int right)
{
assert(decoder);
pv::widgets::DecoderGroupBox *const group =
- new pv::widgets::DecoderGroupBox(decoder->name);
+ new pv::widgets::DecoderGroupBox(
+ QString::fromUtf8(decoder->name));
_delete_mapper.setMapping(group, index);
connect(group, SIGNAL(delete_decoder()), &_delete_mapper, SLOT(map()));