blob: d828509ed12c19610c89a44bb20dd7be7faae4ae (
plain)
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
|
#include "fitz.h"
static fz_obj *
fz_resolve_indirect_null(fz_obj *ref)
{
return ref;
}
fz_obj *(*fz_resolve_indirect)(fz_obj*) = fz_resolve_indirect_null;
void
fz_free_context(fz_context *ctx)
{
if (ctx == NULL)
return;
/* Other finalisation calls go here (in reverse order) */
fz_free_aa_context(ctx);
fz_free_font_context(ctx);
if (ctx->error)
{
assert(ctx->error->top == -1);
fz_free(ctx, ctx->error);
}
/* Free the context itself */
ctx->alloc->free(ctx->alloc->user, ctx);
}
fz_context *
fz_new_context(fz_alloc_context *alloc)
{
fz_context *ctx;
ctx = alloc->malloc(alloc->user, sizeof(fz_context));
if (!ctx)
return NULL;
memset(ctx, 0, sizeof *ctx);
ctx->alloc = alloc;
ctx->error = fz_malloc_no_throw(ctx, sizeof(fz_error_context));
if (!ctx->error)
goto cleanup;
ctx->error->top = -1;
ctx->error->message[0] = 0;
ctx->warn = fz_malloc_no_throw(ctx, sizeof(fz_warn_context));
if (!ctx->warn)
goto cleanup;
ctx->warn->message[0] = 0;
ctx->warn->count = 0;
/* New initialisation calls for context entries go here */
fz_try(ctx)
{
fz_new_font_context(ctx);
fz_new_aa_context(ctx);
}
fz_catch(ctx)
{
goto cleanup;
}
return ctx;
cleanup:
fprintf(stderr, "cannot create context\n");
fz_free_context(ctx);
return NULL;
}
fz_context *
fz_clone_context(fz_context *ctx)
{
return fz_new_context(ctx->alloc);
}
|