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
|
#include "txioctrl.h"
#ifdef MaxImageGroups
#include "list_tem.hpp"
struct ImageNumber
{
int group;
int offset;
ImageNumber(){}
ImageNumber(int g,int o) : group(g), offset(o) {}
inline int operator == (ImageNumber const & in2) const
{ return group==in2.group && offset==in2.offset; }
inline int operator != (ImageNumber const & in2) const
{ return ! operator == (in2); }
};
static List<ImageNumber> imgs_used_by_group[MaxImageGroups];
static List<int> * grps_used_by_image[MaxImageGroups][MaxImages];
void MarkImageInUseByGroup(int img_group, int img_num_offset, int group_using)
{
if (imgs_used_by_group[group_using].contains(ImageNumber(img_group,img_num_offset))) return;
imgs_used_by_group[group_using].add_entry(ImageNumber(img_group,img_num_offset));
List<int> * & grps_used_by_imageR = grps_used_by_image[img_group][img_num_offset];
if (!grps_used_by_imageR)
grps_used_by_imageR = new List<int>(img_group); // includes itself
if (!grps_used_by_imageR->contains(group_using))
grps_used_by_imageR->add_entry(group_using);
}
int IsImageInUse(int img_group, int img_num_offset)
{
if (grps_used_by_image[img_group][img_num_offset])
return 1;
else
return 0;
}
int CanDeleteImage(int img_group, int img_num_offset)
{
if (grps_used_by_image[img_group][img_num_offset])
{
if (grps_used_by_image[img_group][img_num_offset]->contains(img_group))
{
grps_used_by_image[img_group][img_num_offset]->delete_entry(img_group); // remove itself
if (!grps_used_by_image[img_group][img_num_offset]->size())
{
delete grps_used_by_image[img_group][img_num_offset];
grps_used_by_image[img_group][img_num_offset] = 0;
return 1;
}
else
return 0;
}
else
return 0;
}
else
return 1;
}
void ImageGroupFreed(int img_group)
{
while (imgs_used_by_group[img_group].size())
{
ImageNumber used = imgs_used_by_group[img_group].first_entry();
List<int> * & grps_used_by_imageR = grps_used_by_image[used.group][used.offset];
grps_used_by_imageR->delete_entry(img_group);
if (!grps_used_by_imageR->size())
{
NowDeleteImage(used.group,used.offset);
delete grps_used_by_imageR;
grps_used_by_imageR = 0;
}
imgs_used_by_group[img_group].delete_first_entry();
}
}
void EnumSharedImages(int group_num, int numimages, ImageNumberCallbackFunction callback_fn, void * user)
{
for (int i=0; i<numimages; ++i)
{
if (grps_used_by_image[group_num][i])
callback_fn(i,user);
}
}
void EnumLeftoverImages(int group_num, int numimages, ImageNumberCallbackFunction callback_fn, void * user)
{
for (int i=numimages; i<MaxImages; ++i)
{
if (grps_used_by_image[group_num][i])
callback_fn(i,user);
}
}
#endif // MaxImageGroups
|
