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
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/////////////////////////////////////////////////////////////
// Flash Plugin and Player
// Copyright (C) 1998,1999 Olivier Debon
//
// This program 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.
//
// This program 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 _SHAPE_H_
#define _SHAPE_H_
struct LineStyleDef {
long width;
Color color;
FillStyleDef fillstyle;
};
enum ShapeRecordType {
shapeNonEdge,
shapeCurve,
shapeLine
};
enum ShapeFlags {
flagsMoveTo = 0x01,
flagsFill0 = 0x02,
flagsFill1 = 0x04,
flagsLine = 0x08,
flagsNewStyles = 0x10,
flagsEndShape = 0x80
};
struct ShapeRecord {
ShapeRecordType type;
// Non Edge
ShapeFlags flags;
long x,y; // Moveto
long fillStyle0;
long fillStyle1;
long lineStyle;
FillStyleDef *newFillStyles; // Array
long nbNewFillStyles;
LineStyleDef *newLineStyles; // Array
long nbNewLineStyles;
// Curve Edge
long ctrlX, ctrlY;
long anchorX, anchorY;
// Straight Line
long dX,dY;
struct ShapeRecord *next;
ShapeRecord() {
shaperecord_size += sizeof(ShapeRecord);
shaperecord_nb++;
}
};
enum ShapeAction {
ShapeDraw,
ShapeGetRegion
};
struct LineSegment {
long x1,y1,x2,y2;
char first;
LineStyleDef *l;
struct LineSegment *next;
};
struct Path {
long lastX,lastY;
int nb_edges;
int nb_segments;
};
struct StyleList {
FillStyleDef *newFillStyles; // Array
long nbNewFillStyles;
LineStyleDef *newLineStyles; // Array
long nbNewLineStyles;
StyleList *next;
};
/* fast bit parser */
struct BitParser {
// Bit Handling
S32 m_bitPos;
U32 m_bitBuf;
U8 *ptr;
};
class Shape;
/* state of the shape parser */
struct ShapeParser {
Dict *dict; /* XXX: should be put elsewhere */
BitParser bit_parser;
S32 m_nFillBits;
S32 m_nLineBits;
StyleList *style_list;
Matrix *matrix;
Path curPath;
int reverse;
/* line rasteriser */
LineSegment *first_line,*last_line;
GraphicDevice *gd;
Cxform *cxform;
Shape *shape;
FillStyleDef *f0;
FillStyleDef *f1;
LineStyleDef *l;
};
class Shape : public Character {
public:
int defLevel; // 1,2 or 3
Rect boundary;
FillStyleDef defaultFillStyle;
LineStyleDef defaultLineStyle;
Matrix lastMat;
/* parsing for the rendering stage (saves a lot of memory &
may not reduce significantly the size). These variables
should be in another structure (no state need to be
maintained between two renderings) */
int getAlpha, getStyles;
unsigned char *file_ptr;
Dict *dict; /* XXX: should be put elsewhere */
protected:
void drawLines(GraphicDevice *gd, Matrix *matrix, Cxform *cxform, long, long);
void buildSegmentList(Segment **segs, int height, long &n, Matrix *matrix, int update, int reverse);
Segment *progressSegments(Segment *, long);
Segment *newSegments(Segment *, Segment *);
public:
Shape(long id = 0 , int level = 1);
~Shape();
void setBoundingBox(Rect rect);
int execute(GraphicDevice *gd, Matrix *matrix, Cxform *cxform);
void getRegion(GraphicDevice *gd, Matrix *matrix,
void *id, ScanLineFunc scan_line_func);
void getBoundingBox(Rect *bb, DisplayListEntry *);
#ifdef DUMP
void dump(BitStream *bs);
void dumpShapeRecords(BitStream *bs, int alpha);
void dumpFillStyles(BitStream *bs, FillStyleDef *defs, long n, int alpha);
void dumpLineStyles(BitStream *bs, LineStyleDef *defs, long n, int alpha);
void checkBitmaps(BitStream *bs);
#endif
};
#endif /* _SHAPE_H_ */
|