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
182
183
184
185
186
187
188
|
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_BBOX_H
#include <time.h> /* for clock() */
/* SunOS 4.1.* does not define CLOCKS_PER_SEC, so include <sys/param.h> */
/* to get the HZ macro which is the equivalent. */
#if defined(__sun__) && !defined(SVR4) && !defined(__SVR4)
#include <sys/param.h>
#define CLOCKS_PER_SEC HZ
#endif
static long
get_time( void )
{
return clock() * 10000L / CLOCKS_PER_SEC;
}
/* test bbox computations */
#define XSCALE 65536
#define XX(x) ((FT_Pos)(x*XSCALE))
#define XVEC(x,y) { XX(x), XX(y) }
#define XVAL(x) ((x)/(1.0*XSCALE))
/* dummy outline #1 */
static FT_Vector dummy_vec_1[4] =
{
#if 1
XVEC( 408.9111, 535.3164 ),
XVEC( 455.8887, 634.396 ),
XVEC( -37.8765, 786.2207 ),
XVEC( 164.6074, 535.3164 )
#else
{ (FT_Int32)0x0198E93DL , (FT_Int32)0x021750FFL }, /* 408.9111, 535.3164 */
{ (FT_Int32)0x01C7E312L , (FT_Int32)0x027A6560L }, /* 455.8887, 634.3960 */
{ (FT_Int32)0xFFDA1F9EL , (FT_Int32)0x0312387FL }, /* -37.8765, 786.2207 */
{ (FT_Int32)0x00A49B7EL , (FT_Int32)0x021750FFL } /* 164.6074, 535.3164 */
#endif
};
static char dummy_tag_1[4] =
{
FT_CURVE_TAG_ON,
FT_CURVE_TAG_CUBIC,
FT_CURVE_TAG_CUBIC,
FT_CURVE_TAG_ON
};
static short dummy_contour_1[1] =
{
3
};
static FT_Outline dummy_outline_1 =
{
1,
4,
dummy_vec_1,
dummy_tag_1,
dummy_contour_1,
0
};
/* dummy outline #2 */
static FT_Vector dummy_vec_2[4] =
{
XVEC( 100.0, 100.0 ),
XVEC( 100.0, 200.0 ),
XVEC( 200.0, 200.0 ),
XVEC( 200.0, 133.0 )
};
static FT_Outline dummy_outline_2 =
{
1,
4,
dummy_vec_2,
dummy_tag_1,
dummy_contour_1,
0
};
/* dummy outline #3 with bbox of [0 100 128 128] precisely */
static FT_Vector dummy_vec_3[4] =
{
XVEC( 100.0, 127.0 ),
XVEC( 200.0, 127.0 ),
XVEC( 0.0, 136.0 ),
XVEC( 0.0, 100.0 )
};
static FT_Outline dummy_outline_3 =
{
1,
4,
dummy_vec_3,
dummy_tag_1,
dummy_contour_1,
0
};
static void
dump_outline( FT_Outline* outline )
{
FT_BBox bbox;
/* compute and display cbox */
FT_Outline_Get_CBox( outline, &bbox );
printf( "cbox = [%.2f %.2f %.2f %.2f]\n",
XVAL( bbox.xMin ),
XVAL( bbox.yMin ),
XVAL( bbox.xMax ),
XVAL( bbox.yMax ) );
/* compute and display bbox */
FT_Outline_Get_BBox( outline, &bbox );
printf( "bbox = [%.2f %.2f %.2f %.2f]\n",
XVAL( bbox.xMin ),
XVAL( bbox.yMin ),
XVAL( bbox.xMax ),
XVAL( bbox.yMax ) );
}
static void
profile_outline( FT_Outline* outline,
long repeat )
{
FT_BBox bbox;
long count;
long time0;
time0 = get_time();
for ( count = repeat; count > 0; count-- )
FT_Outline_Get_CBox( outline, &bbox );
time0 = get_time() - time0;
printf( "time = %6.3f cbox = [%8.4f %8.4f %8.4f %8.4f]\n",
((double)time0/10000.0),
XVAL( bbox.xMin ),
XVAL( bbox.yMin ),
XVAL( bbox.xMax ),
XVAL( bbox.yMax ) );
printf( "cbox_hex = [%08X %08X %08X %08X]\n",
bbox.xMin, bbox.yMin, bbox.xMax, bbox.yMax );
time0 = get_time();
for ( count = repeat; count > 0; count-- )
FT_Outline_Get_BBox( outline, &bbox );
time0 = get_time() - time0;
printf( "time = %6.3f bbox = [%8.4f %8.4f %8.4f %8.4f]\n",
((double)time0/10000.0),
XVAL( bbox.xMin ),
XVAL( bbox.yMin ),
XVAL( bbox.xMax ),
XVAL( bbox.yMax ) );
printf( "bbox_hex = [%08X %08X %08X %08X]\n",
bbox.xMin, bbox.yMin, bbox.xMax, bbox.yMax );
}
#define REPEAT 1000000L
int main( int argc, char** argv )
{
printf( "outline #1\n" );
profile_outline( &dummy_outline_1, REPEAT );
printf( "outline #2\n" );
profile_outline( &dummy_outline_2, REPEAT );
printf( "outline #3\n" );
profile_outline( &dummy_outline_3, REPEAT );
return 0;
}
|