1/* Copyright (c) 2013-2014 Jeffrey Pfau
 2 *
 3 * This Source Code Form is subject to the terms of the Mozilla Public
 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 6#ifndef QGBA_DISPLAY
 7#define QGBA_DISPLAY
 8
 9#include <QGLWidget>
10#include <QThread>
11#include <QTimer>
12
13struct GBAThread;
14
15namespace QGBA {
16
17class Painter;
18class Display : public QGLWidget {
19Q_OBJECT
20
21public:
22	Display(QGLFormat format, QWidget* parent = nullptr);
23
24public slots:
25	void startDrawing(const uint32_t* buffer, GBAThread* context);
26	void stopDrawing();
27	void pauseDrawing();
28	void unpauseDrawing();
29	void forceDraw();
30	void lockAspectRatio(bool lock);
31	void filter(bool filter);
32#ifdef USE_PNG
33	void screenshot();
34#endif
35
36protected:
37	virtual void initializeGL() override;
38	virtual void paintEvent(QPaintEvent*) override {};
39	virtual void resizeEvent(QResizeEvent*) override;
40
41private:
42	Painter* m_painter;
43	bool m_started;
44	GBAThread* m_context;
45	bool m_lockAspectRatio;
46	bool m_filter;
47};
48
49class Painter : public QObject {
50Q_OBJECT
51
52public:
53	Painter(Display* parent);
54
55	void setContext(GBAThread*);
56	void setBacking(const uint32_t*);
57
58public slots:
59	void forceDraw();
60	void draw();
61	void start();
62	void stop();
63	void pause();
64	void unpause();
65	void resize(const QSize& size);
66	void lockAspectRatio(bool lock);
67	void filter(bool filter);
68
69private:
70	void performDraw();
71
72	QTimer* m_drawTimer;
73	GBAThread* m_context;
74	const uint32_t* m_backing;
75	GLuint m_tex;
76	QGLWidget* m_gl;
77	QSize m_size;
78	bool m_lockAspectRatio;
79	bool m_filter;
80};
81
82}
83
84#endif