diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/mupdf/pdf/document.h | 125 | ||||
| -rw-r--r-- | include/mupdf/pdf/interpret.h | 4 | ||||
| -rw-r--r-- | include/mupdf/pdf/page.h | 7 |
3 files changed, 122 insertions, 14 deletions
diff --git a/include/mupdf/pdf/document.h b/include/mupdf/pdf/document.h index 5b9632ff..4cb4c819 100644 --- a/include/mupdf/pdf/document.h +++ b/include/mupdf/pdf/document.h @@ -119,20 +119,125 @@ int pdf_lookup_metadata(fz_context *ctx, pdf_document *doc, const char *key, cha fz_outline *pdf_load_outline(fz_context *ctx, pdf_document *doc); -typedef struct pdf_ocg_entry_s pdf_ocg_entry; +/* + pdf_count_layer_configs: Get the number of layer + configurations defined in this document. + + doc: The document in question. +*/ +int pdf_count_layer_configs(fz_context *ctx, pdf_document *doc); -struct pdf_ocg_entry_s +typedef struct { - int num; - int state; -}; + const char *name; + const char *creator; +} pdf_layer_config; + +/* + pdf_layer_config_info: Fetch the name (and + optionally creator) of the given layer config. + + doc: The document in question. + + config_num: A value in the 0..n-1 range, where n is the + value returned from pdf_count_layer_configs. + + info: Pointer to structure to fill in. Pointers within + this structure may be set to NULL if no information is + available. +*/ +void pdf_layer_config_info(fz_context *ctx, pdf_document *doc, int config_num, pdf_layer_config *info); + +/* + pdf_select_layer_config: Set the current configuration. + This updates the visibility of the optional content groups + within the document. + + doc: The document in question. + + config_num: A value in the 0..n-1 range, where n is the + value returned from pdf_count_layer_configs. +*/ +void pdf_select_layer_config(fz_context *ctx, pdf_document *doc, int config_num); + +/* + pdf_count_layer_config_ui: Returns the number of entries in the + 'UI' for this layer configuration. + + doc: The document in question. +*/ +int pdf_count_layer_config_ui(fz_context *ctx, pdf_document *doc); + +/* + pdf_select_layer_ui: Select a checkbox/radiobox + within the 'UI' for this layer configuration. + + Selecting a UI entry that is a radiobox may disable + other UI entries. + + doc: The document in question. -struct pdf_ocg_descriptor_s + ui: A value in the 0..m-1 range, where m is the value + returned by pdf_count_layer_config_ui. +*/ +void pdf_select_layer_config_ui(fz_context *ctx, pdf_document *doc, int ui); + +/* + pdf_deselect_layer_ui: Select a checkbox/radiobox + within the 'UI' for this layer configuration. + + doc: The document in question. + + ui: A value in the 0..m-1 range, where m is the value + returned by pdf_count_layer_config_ui. +*/ +void pdf_deselect_layer_config_ui(fz_context *ctx, pdf_document *doc, int ui); + +/* + pdf_toggle_layer_config_ui: Toggle a checkbox/radiobox + within the 'UI' for this layer configuration. + + Toggling a UI entry that is a radiobox may disable + other UI entries. + + doc: The document in question. + + ui: A value in the 0..m-1 range, where m is the value + returned by pdf_count_layer_config_ui. +*/ +void pdf_toggle_layer_config_ui(fz_context *ctx, pdf_document *doc, int ui); + +typedef enum { - int len; - pdf_ocg_entry *ocgs; - pdf_obj *intent; -}; + PDF_LAYER_UI_LABEL = 0, + PDF_LAYER_UI_CHECKBOX = 1, + PDF_LAYER_UI_RADIOBOX = 2 +} pdf_layer_config_ui_type; + +typedef struct +{ + const char *text; + int depth; + pdf_layer_config_ui_type type; + int selected; + int locked; +} pdf_layer_config_ui; + +/* + pdf_layer_config_ui_info: Get the info for a given + entry in the layer config ui. + + doc: The document in question. + + ui: A value in the 0..m-1 range, where m is the value + returned by pdf_count_layer_config_ui. + + info: Pointer to a structure to fill in with information + about the requested ui entry. +*/ +void pdf_layer_config_ui_info(fz_context *ctx, pdf_document *doc, int ui, pdf_layer_config_ui *info); + +int pdf_is_hidden_ocg(fz_context *ctx, pdf_ocg_descriptor *desc, pdf_obj *rdb, const char *usage, pdf_obj *ocg); /* pdf_update_page: update a page for the sake of changes caused by a call diff --git a/include/mupdf/pdf/interpret.h b/include/mupdf/pdf/interpret.h index 07460221..b7b85fff 100644 --- a/include/mupdf/pdf/interpret.h +++ b/include/mupdf/pdf/interpret.h @@ -127,7 +127,7 @@ struct pdf_processor_s void (*op_END)(fz_context *ctx, pdf_processor *proc); /* interpreter state that persists across content streams */ - const char *event; + const char *usage; int hidden; }; @@ -155,7 +155,7 @@ struct pdf_csi_s }; /* Functions to set up pdf_process structures */ -pdf_processor *pdf_new_run_processor(fz_context *ctx, fz_device *dev, const fz_matrix *ctm, const char *event, pdf_gstate *gstate, int nested); +pdf_processor *pdf_new_run_processor(fz_context *ctx, fz_device *dev, const fz_matrix *ctm, const char *usage, pdf_gstate *gstate, int nested); pdf_processor *pdf_new_buffer_processor(fz_context *ctx, fz_buffer *buffer, int ahxencode); pdf_processor *pdf_new_filter_processor(fz_context *ctx, pdf_processor *chain, pdf_document *doc, pdf_obj *old_res, pdf_obj *new_res); diff --git a/include/mupdf/pdf/page.h b/include/mupdf/pdf/page.h index a5a60be8..407fcc09 100644 --- a/include/mupdf/pdf/page.h +++ b/include/mupdf/pdf/page.h @@ -65,7 +65,7 @@ fz_rect *pdf_bound_page(fz_context *ctx, pdf_page *page, fz_rect *); void pdf_run_page(fz_context *ctx, pdf_page *page, fz_device *dev, const fz_matrix *ctm, fz_cookie *cookie); /* - pdf_run_page: Interpret a loaded page and render it on a device. + pdf_run_page_with_usage: Interpret a loaded page and render it on a device. page: A page loaded by pdf_load_page. @@ -74,10 +74,13 @@ void pdf_run_page(fz_context *ctx, pdf_page *page, fz_device *dev, const fz_matr ctm: A transformation matrix applied to the objects on the page, e.g. to scale or rotate the page contents as desired. + usage: The 'usage' for displaying the file (typically + 'View', 'Print' or 'Export'). NULL means 'View'. + cookie: A pointer to an optional fz_cookie structure that can be used to track progress, collect errors etc. */ -void pdf_run_page_with_usage(fz_context *ctx, pdf_document *doc, pdf_page *page, fz_device *dev, const fz_matrix *ctm, char *event, fz_cookie *cookie); +void pdf_run_page_with_usage(fz_context *ctx, pdf_document *doc, pdf_page *page, fz_device *dev, const fz_matrix *ctm, const char *usage, fz_cookie *cookie); /* pdf_run_page_contents: Interpret a loaded page and render it on a device. |