#include <algorithm>
+#include <boost/foreach.hpp>
+
#include <QPainter>
#include "annotation.h"
-using namespace boost;
using namespace std;
namespace pv {
namespace decode {
const double Annotation::EndCapWidth = 5;
+const int Annotation::DrawPadding = 100;
+
+const QColor Annotation::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
+};
Annotation::Annotation(const srd_proto_data *const pdata) :
_start_sample(pdata->start_sample),
_end_sample(pdata->end_sample)
{
- const char *const *annotations = (char**)pdata->data;
+ assert(pdata);
+ const srd_proto_data_annotation *const pda =
+ (const srd_proto_data_annotation*)pdata->data;
+ assert(pda);
+
+ const char *const *annotations = (char**)pda->ann_text;
while(*annotations) {
_annotations.push_back(QString(*annotations));
annotations++;
}
}
-void Annotation::paint(QPainter &p, QColor fill, QColor outline,
- QColor text_color, int text_height, int left, int right,
- double samples_per_pixel, double pixels_offset, int y)
+void Annotation::paint(QPainter &p, QColor text_color, int h,
+ int left, int right, double samples_per_pixel, double pixels_offset,
+ int y)
{
- const int h = (text_height * 3) / 2;
-
const double start = _start_sample / samples_per_pixel -
pixels_offset;
const double end = _end_sample / samples_per_pixel -
pixels_offset;
+ const QColor fill = Colours[(_format * (countof(Colours) / 2 + 1)) %
+ countof(Colours)];
+ const QColor outline(fill.darker());
- if (start > right || end < left)
+ if (start > right + DrawPadding || end < left - DrawPadding)
return;
+ if (_start_sample == _end_sample)
+ draw_instant(p, fill, outline, text_color, h,
+ start, y);
+ else
+ draw_range(p, fill, outline, text_color, h,
+ start, end, y);
+}
+
+void Annotation::draw_instant(QPainter &p, QColor fill, QColor outline,
+ QColor text_color, int h, double x, int y)
+{
+ const QString text = _annotations.empty() ?
+ QString() : _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 Annotation::draw_range(QPainter &p, QColor fill, QColor outline,
+ QColor text_color, int h, double start, double end, int y)
+{
+ const double top = y + .5 - h / 2;
+ const double bottom = y + .5 + h / 2;
+
+ 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) / 2, EndCapWidth);
QPointF pts[] = {
QPointF(start, y + .5f),
- QPointF(start + cap_width, y + .5f - h / 2),
- QPointF(end - cap_width, y + .5f - h / 2),
+ QPointF(start + cap_width, top),
+ QPointF(end - cap_width, top),
QPointF(end, y + .5f),
- QPointF(end - cap_width, y + .5f + h / 2),
- QPointF(start + cap_width, y + .5f + h / 2)
+ QPointF(end - cap_width, bottom),
+ QPointF(start + cap_width, bottom)
};
- p.setPen(outline);
- p.setBrush(fill);
p.drawConvexPolygon(pts, countof(pts));
if (_annotations.empty())