1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Sonic Visualiser
An audio file viewer and annotation editor.
Centre for Digital Music, Queen Mary, University of London.
This file copyright 2006-2007 Chris Cannam and QMUL.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#ifndef SV_PAINT_ASSISTANT_H
#define SV_PAINT_ASSISTANT_H
#include <QRect>
#include <QPen>
#include <vector>
#include "base/AudioLevel.h"
class QPainter;
namespace sv {
class Layer;
class LayerGeometryProvider;
class PaintAssistant
{
public:
enum Scale { LinearScale, MeterScale, dBScale };
static void paintVerticalLevelScale(QPainter &p, QRect rect,
double minVal, double maxVal,
Scale scale, AudioLevel::Quantity sort,
int &multRtn,
std::vector<int> *markCoordRtns = 0);
static int getYForValue(Scale scale, AudioLevel::Quantity sort,
double value, double minVal, double maxVal,
int minY, int height);
enum TextStyle {
BoxedText,
OutlinedText,
OutlinedItalicText
};
static void drawVisibleText(const LayerGeometryProvider *,
QPainter &p, int x, int y,
QString text, TextStyle style);
};
} // end namespace sv
#endif
|
