X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fdecode%2Fannotation.cpp;fp=pv%2Fview%2Fdecode%2Fannotation.cpp;h=741569b2e055f18ed5948ed738c3981dac56eeab;hp=4d9a048357bbe1ea7054edeb0dd64388d5217833;hb=9472f4476b27336e9187635015169e308bfe8af7;hpb=e0fc58100fbcd6c3bfd5aecb213d7541a3436622

diff --git a/pv/view/decode/annotation.cpp b/pv/view/decode/annotation.cpp
index 4d9a0483..741569b2 100644
--- a/pv/view/decode/annotation.cpp
+++ b/pv/view/decode/annotation.cpp
@@ -22,6 +22,8 @@ extern "C" {
 #include <libsigrokdecode/libsigrokdecode.h>
 }
 
+#include <QPainter>
+
 #include "annotation.h"
 
 using namespace boost;
@@ -42,6 +44,32 @@ Annotation::Annotation(const srd_proto_data *const pdata) :
 	}
 }
 
+void Annotation::paint(QPainter &p, int left, int right,
+	double samples_per_pixel, double pixels_offset, int y)
+{
+	const int AnnotationHeight = 40;
+
+	const double start = _start_sample / samples_per_pixel -
+		pixels_offset;
+	const double end = _end_sample / samples_per_pixel -
+		pixels_offset;
+
+	if (start > right)
+		return;
+	if (end < left)
+		return;
+
+	QRectF rect(start, y - AnnotationHeight/2,
+		end - start, AnnotationHeight);
+
+	p.setPen(Qt::black);
+	p.fillRect(rect, QBrush(Qt::red));
+	p.drawRect(rect);
+
+	if(!_annotations.empty())
+		p.drawText(rect, Qt::AlignCenter, _annotations.front());
+}
+
 } // namespace decode
 } // namespace view
 } // namespace pv