diff options
Diffstat (limited to 'pdf/pdf_object.c')
| -rw-r--r-- | pdf/pdf_object.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/pdf/pdf_object.c b/pdf/pdf_object.c index cc5cc662..60f10a54 100644 --- a/pdf/pdf_object.c +++ b/pdf/pdf_object.c @@ -567,6 +567,98 @@ pdf_array_contains(pdf_obj *arr, pdf_obj *obj) return 0; } +pdf_obj *pdf_new_rect(fz_context *ctx, fz_rect *rect) +{ + pdf_obj *arr = NULL; + pdf_obj *item = NULL; + + fz_var(arr); + fz_var(item); + fz_try(ctx) + { + arr = pdf_new_array(ctx, 4); + + item = pdf_new_real(ctx, rect->x0); + pdf_array_put(arr, 0, item); + pdf_drop_obj(item); + item = NULL; + + item = pdf_new_real(ctx, rect->y0); + pdf_array_put(arr, 1, item); + pdf_drop_obj(item); + item = NULL; + + item = pdf_new_real(ctx, rect->x1 - rect->x0); + pdf_array_put(arr, 2, item); + pdf_drop_obj(item); + item = NULL; + + item = pdf_new_real(ctx, rect->y1 - rect->y0); + pdf_array_put(arr, 3, item); + pdf_drop_obj(item); + item = NULL; + } + fz_catch(ctx) + { + pdf_drop_obj(item); + pdf_drop_obj(arr); + fz_rethrow(ctx); + } + + return arr; +} + +pdf_obj *pdf_new_matrix(fz_context *ctx, fz_matrix *mtx) +{ + pdf_obj *arr = NULL; + pdf_obj *item = NULL; + + fz_var(arr); + fz_var(item); + fz_try(ctx) + { + arr = pdf_new_array(ctx, 6); + + item = pdf_new_real(ctx, mtx->a); + pdf_array_put(arr, 0, item); + pdf_drop_obj(item); + item = NULL; + + item = pdf_new_real(ctx, mtx->b); + pdf_array_put(arr, 1, item); + pdf_drop_obj(item); + item = NULL; + + item = pdf_new_real(ctx, mtx->c); + pdf_array_put(arr, 2, item); + pdf_drop_obj(item); + item = NULL; + + item = pdf_new_real(ctx, mtx->d); + pdf_array_put(arr, 3, item); + pdf_drop_obj(item); + item = NULL; + + item = pdf_new_real(ctx, mtx->e); + pdf_array_put(arr, 4, item); + pdf_drop_obj(item); + item = NULL; + + item = pdf_new_real(ctx, mtx->f); + pdf_array_put(arr, 5, item); + pdf_drop_obj(item); + item = NULL; + } + fz_catch(ctx) + { + pdf_drop_obj(item); + pdf_drop_obj(arr); + fz_rethrow(ctx); + } + + return arr; +} + /* dicts may only have names as keys! */ static int keyvalcmp(const void *ap, const void *bp) @@ -743,6 +835,36 @@ pdf_dict_gets(pdf_obj *obj, char *key) } pdf_obj * +pdf_dict_getp(pdf_obj *obj, char *keys) +{ + char buf[256]; + char *k, *e; + + if (strlen(keys)+1 > 256) + fz_throw(obj->ctx, "buffer overflow in pdf_dict_getp"); + + strcpy(buf, keys); + + e = buf; + while (*e && obj) + { + k = e; + while (*e != '/' && *e != '\0') + e++; + + if (*e == '/') + { + *e = '\0'; + e++; + } + + obj = pdf_dict_gets(obj, k); + } + + return obj; +} + +pdf_obj * pdf_dict_get(pdf_obj *obj, pdf_obj *key) { if (!key || key->kind != PDF_NAME) @@ -829,6 +951,63 @@ pdf_dict_puts(pdf_obj *obj, char *key, pdf_obj *val) } void +pdf_dict_putp(pdf_obj *obj, char *keys, pdf_obj *val) +{ + fz_context *ctx = obj->ctx; + char buf[256]; + char *k, *e; + pdf_obj *cobj = NULL; + + if (strlen(keys)+1 > 256) + fz_throw(obj->ctx, "buffer overflow in pdf_dict_getp"); + + strcpy(buf, keys); + + e = buf; + while (*e) + { + k = e; + while (*e != '/' && *e != '\0') + e++; + + if (*e == '/') + { + *e = '\0'; + e++; + } + + if (*e) + { + /* Not the last key in the key path. Create subdict if not already there. */ + cobj = pdf_dict_gets(obj, k); + if (cobj == NULL) + { + cobj = pdf_new_dict(ctx, 1); + fz_try(ctx) + { + pdf_dict_puts(obj, k, cobj); + } + fz_always(ctx) + { + pdf_drop_obj(cobj); + } + fz_catch(ctx) + { + fz_rethrow(ctx); + } + } + /* Move to subdict */ + obj = cobj; + } + else + { + /* Last key. Use it to store the value */ + pdf_dict_puts(obj, k, val); + } + } +} + +void pdf_dict_dels(pdf_obj *obj, char *key) { RESOLVE(obj); |