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
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-indent-level: 8; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2003 Remi Cohen-Scali
*
* Author:
* Remi Cohen-Scali <Remi@Cohen-Scali.com>
*
* GPdf 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.
*
* GPdf is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef THUMB_H
#define THUMB_H
#include <aconf.h>
class XRef;
class GfxColorSpace;
class GfxRGB;
class GfxCMYK;
class GfxColor;
/*
* ThumbColorMap
*/
class ThumbColorMap {
public:
ThumbColorMap(int bitsA, Object *obj, GfxColorSpace *csA);
~ThumbColorMap();
GBool isOk() {return ok; };
GfxColorSpace *getColorSpace() { return cs; };
int getNumPixelComps() { return nComps; };
int getBits() { return bits; };
void getGray(Guchar *x, double *gray);
void getRGB(Guchar *x, GfxRGB *rgb);
void getCMYK(Guchar *x, GfxCMYK *cmyk);
//void getColor(Guchar *x, GfxColor *color);
static ThumbColorMap *lookupColorMap(XRef *xref, int bitsA, Object *obj, GfxColorSpace *csA);
private:
GBool ok;
int bits;
Stream *str;
GfxColorSpace *cs;
int nComps;
int length;
union {
double *gray;
GfxRGB *rgb;
GfxCMYK *cmyk;
GfxColor *colors;
};
};
/*
* ThumbColorMaps
*/
/* FIXME: Should have a class to avoid reading same colormap for every thumb */
/*
* Thumb
*/
class Thumb {
public:
Thumb(XRef *xrefA, Object *obj);
~Thumb();
int getWidth(void) {return width; };
int getHeight(void) {return height; };
GfxColorSpace *getColorSpace(void) {return gfxCS; };
int getBitsPerComponent(void) {return bits; };
int getLength(void) {return length; };
Stream *getStream() {return str; };
unsigned char *getPixbufData();
private:
XRef *xref;
Stream *str;
GfxColorSpace *gfxCS;
ThumbColorMap *thumbCM;
int width, height, bits;
int length;
};
#endif
|
