diff options
Diffstat (limited to 'source/fitz/link.c')
-rw-r--r-- | source/fitz/link.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/source/fitz/link.c b/source/fitz/link.c new file mode 100644 index 00000000..30dca222 --- /dev/null +++ b/source/fitz/link.c @@ -0,0 +1,65 @@ +#include "mupdf/fitz.h" + +void +fz_free_link_dest(fz_context *ctx, fz_link_dest *dest) +{ + switch (dest->kind) + { + case FZ_LINK_NONE: + case FZ_LINK_GOTO: + break; + case FZ_LINK_URI: + fz_free(ctx, dest->ld.uri.uri); + break; + case FZ_LINK_LAUNCH: + fz_free(ctx, dest->ld.launch.file_spec); + break; + case FZ_LINK_NAMED: + fz_free(ctx, dest->ld.named.named); + break; + case FZ_LINK_GOTOR: + fz_free(ctx, dest->ld.gotor.file_spec); + break; + } +} + +fz_link * +fz_new_link(fz_context *ctx, const fz_rect *bbox, fz_link_dest dest) +{ + fz_link *link; + + fz_try(ctx) + { + link = fz_malloc_struct(ctx, fz_link); + link->refs = 1; + } + fz_catch(ctx) + { + fz_free_link_dest(ctx, &dest); + fz_rethrow(ctx); + } + link->dest = dest; + link->rect = *bbox; + link->next = NULL; + return link; +} + +fz_link * +fz_keep_link(fz_context *ctx, fz_link *link) +{ + if (link) + link->refs++; + return link; +} + +void +fz_drop_link(fz_context *ctx, fz_link *link) +{ + while (link && --link->refs == 0) + { + fz_link *next = link->next; + fz_free_link_dest(ctx, &link->dest); + fz_free(ctx, link); + link = next; + } +} |