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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
#ifndef __charoutputdev_h__
#define __charoutputdev_h__
#include "../gfxdevice.h"
#include "../gfxsource.h"
#include "../gfxtools.h"
#include "../kdtree.h"
#include "InfoOutputDev.h"
#include "PDFDoc.h"
#include "GlobalParams.h"
#include "CommonOutputDev.h"
extern void addGlobalFont(const char*filename);
extern void addGlobalLanguageDir(const char*dir);
extern void addGlobalFontDir(const char*dirname);
class GFXLink;
class CharOutputDev: public CommonOutputDev {
public:
gfxdevice_t* device;
CharOutputDev(InfoOutputDev*info, PDFDoc*doc, int*page2page, int num_pages, int x, int y, int x1, int y1, int x2, int y2);
virtual ~CharOutputDev();
virtual void setDevice(gfxdevice_t*dev);
virtual void setParameter(const char*key, const char*value);
virtual void beginPage(GfxState *state, int pageNum);
virtual void endPage();
virtual GBool upsideDown();
virtual GBool useDrawChar();
virtual void processLink(Link *link, Catalog *catalog);
virtual void saveState(GfxState *state) ;
virtual void restoreState(GfxState *state) ;
//----- update graphics state
virtual void updateFont(GfxState *state);
virtual void updateTextMat(GfxState *state);
//----- text drawing
virtual void beginString(GfxState *state, GString *s) ;
virtual void endString(GfxState *state) ;
virtual void endTextObject(GfxState *state);
virtual void drawChar(GfxState *state, double x, double y,
double dx, double dy,
double originX, double originY,
CharCode code, int nBytes, Unicode *u, int uLen);
//----- type 3 chars
virtual GBool beginType3Char(GfxState *state, double x, double y, double dx, double dy, CharCode code, Unicode *u, int uLen);
virtual void endType3Char(GfxState *state);
virtual void type3D0(GfxState *state, double wx, double wy);
virtual void type3D1(GfxState *state, double wx, double wy, double llx, double lly, double urx, double ury);
virtual GBool needNonText();
private:
int currentpage;
int type3active; // are we between beginType3()/endType3()?
gfxline_t* current_text_stroke;
gfxline_t* current_text_clip;
// state variables for space char detection
int last_char;
double last_char_x;
double last_char_y;
double last_char_x_fontsize;
double last_char_y_fontsize;
double last_char_advance;
double last_average_advance;
double last_ascent;
double last_descent;
char last_char_was_space;
GFXLink*last_link;
GFXLink*previous_link;
kdtree_t*links;
/* config */
int config_use_fontconfig;
int config_remapunicode;
int config_extrafontdata;
int config_bigchar;
int config_detectspaces;
double config_fontquality;
char* config_linkdatafile;
};
class GFXLink {
double x1,y1,x2,y2;
int size;
int buf_size;
char*text;
public:
const char*action;
GFXLink*last;
void draw(CharOutputDev*out, gfxdevice_t*dev);
void addchar(int unicode);
GFXLink(GFXLink*last, const char*action, double x1, double y1, double x2, double y2);
~GFXLink();
};
class GFXGlobalParams: public GlobalParams {
public:
GFXGlobalParams();
~GFXGlobalParams();
virtual DisplayFontParam *getDisplayFont(GString *fontName);
};
#endif //__charoutputdev_h__
|
