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
60
61
62
63
64
65
66
|
#ifndef PDFRENDERENGINE_H
#define PDFRENDERENGINE_H
#ifndef NO_POPPLER_PREVIEW
#include "smallUsefulFunctions.h"
#if QT_VERSION < 0x050000
#include "poppler-qt4.h"
#else
#include "poppler-qt5.h"
#endif
#include <QThread>
#include <QSemaphore>
#include <QMutex>
#include <QQueue>
#include <QImage>
class PDFQueue;
class RenderCommand
{
public:
explicit RenderCommand(int p, double xr = 72.0, double yr = 72.0, int x = -1, int y = -1, int w = -1, int h = -1);
int pageNr;
double xres;
double yres;
int x;
int y;
int w;
int h;
Poppler::Page::Rotation rotate;
int ticket;
bool priority;
};
class PDFRenderEngine : public SafeThread
{
Q_OBJECT
public:
explicit PDFRenderEngine(QObject *parent, PDFQueue *mQueue);
~PDFRenderEngine();
QByteArray tempData;
void setDocument(const QSharedPointer<Poppler::Document> &doc);
signals:
void sendImage(QImage image, int page, int ticket);
public slots:
protected:
void run();
private:
QSharedPointer<Poppler::Document> document;
int cachedNumPages;
PDFQueue *queue;
};
#endif // PDFRENDERENGINE_H
#endif
|
