blob: ecd8ae084dd986f8ec774bd004a4a53ece012d8c (
plain)
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
|
// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef RENDERTHREAD_H
#define RENDERTHREAD_H
#include <QMutex>
#include <QSize>
#include <QThread>
#include <QWaitCondition>
QT_BEGIN_NAMESPACE
class QImage;
QT_END_NAMESPACE
//! [0]
class RenderThread : public QThread
{
Q_OBJECT
public:
RenderThread(QObject *parent = nullptr);
~RenderThread();
void render(double centerX, double centerY, double scaleFactor, QSize resultSize,
double devicePixelRatio);
static void setNumPasses(int n) { numPasses = n; }
static QString infoKey() { return QStringLiteral("info"); }
signals:
void renderedImage(const QImage &image, double scaleFactor);
protected:
void run() override;
private:
static uint rgbFromWaveLength(double wave);
QMutex mutex;
QWaitCondition condition;
double centerX;
double centerY;
double scaleFactor;
double devicePixelRatio;
QSize resultSize;
static int numPasses;
bool restart = false;
bool abort = false;
static constexpr int ColormapSize = 512;
uint colormap[ColormapSize];
};
//! [0]
#endif // RENDERTHREAD_H
|
