diff options
Diffstat (limited to 'xps/muxps.h')
| -rw-r--r-- | xps/muxps.h | 267 |
1 files changed, 33 insertions, 234 deletions
diff --git a/xps/muxps.h b/xps/muxps.h index 6037a64e..a485adca 100644 --- a/xps/muxps.h +++ b/xps/muxps.h @@ -1,39 +1,10 @@ -#ifndef _MUXPS_H_ -#define _MUXPS_H_ +#ifndef MUXPS_H +#define MUXPS_H -#ifndef _FITZ_H_ -#error "fitz.h must be included before muxps.h" -#endif - -typedef unsigned char byte; - -/* - * XPS and ZIP constants. - */ +#include "fitz.h" typedef struct xps_document_s xps_document; - -#define REL_START_PART \ - "http://schemas.microsoft.com/xps/2005/06/fixedrepresentation" -#define REL_DOC_STRUCTURE \ - "http://schemas.microsoft.com/xps/2005/06/documentstructure" -#define REL_REQUIRED_RESOURCE \ - "http://schemas.microsoft.com/xps/2005/06/required-resource" -#define REL_REQUIRED_RESOURCE_RECURSIVE \ - "http://schemas.microsoft.com/xps/2005/06/required-resource#recursive" - -#define ZIP_LOCAL_FILE_SIG 0x04034b50 -#define ZIP_DATA_DESC_SIG 0x08074b50 -#define ZIP_CENTRAL_DIRECTORY_SIG 0x02014b50 -#define ZIP_END_OF_CENTRAL_DIRECTORY_SIG 0x06054b50 - -/* - * Memory, and string functions. - */ - -int xps_strcasecmp(char *a, char *b); -void xps_resolve_url(char *output, char *base_uri, char *path, int output_size); -int xps_url_is_remote(char *path); +typedef struct xps_page_s xps_page; /* * XML document model @@ -41,7 +12,7 @@ int xps_url_is_remote(char *path); typedef struct element xml_element; -xml_element *xml_parse_document(fz_context *doc, byte *buf, int len); +xml_element *xml_parse_document(fz_context *doc, unsigned char *buf, int len); xml_element *xml_next(xml_element *item); xml_element *xml_down(xml_element *item); char *xml_tag(xml_element *item); @@ -50,220 +21,48 @@ void xml_free_element(fz_context *doc, xml_element *item); void xml_print_element(xml_element *item, int level); /* - * Container parts. - */ + xps_open_document: Open a document. -typedef struct xps_part_s xps_part; + Open a document for reading so the library is able to locate + objects and pages inside the file. -struct xps_part_s -{ - char *name; - int size; - int cap; - byte *data; -}; + The returned xps_document should be used when calling most + other functions. Note that it wraps the context, so those + functions implicitly get access to the global state in + context. -xps_part *xps_new_part(xps_document *doc, char *name, int size); -int xps_has_part(xps_document *doc, char *partname); -xps_part *xps_read_part(xps_document *doc, char *partname); -void xps_free_part(xps_document *doc, xps_part *part); + filename: a path to a file as it would be given to open(2). +*/ +xps_document *xps_open_document(fz_context *ctx, char *filename); /* - * Document structure. - */ - -typedef struct xps_fixdoc_s xps_fixdoc; -typedef struct xps_page_s xps_page; -typedef struct xps_target_s xps_target; - -struct xps_fixdoc_s -{ - char *name; - char *outline; - xps_fixdoc *next; -}; + xps_open_document_with_stream: Opens a document. + + Same as xps_open_document, but takes a stream instead of a + filename to locate the document to open. Increments the + reference count of the stream. See fz_open_file, + fz_open_file_w or fz_open_fd for opening a stream, and + fz_close for closing an open stream. +*/ +xps_document *xps_open_document_with_stream(fz_stream *file); -struct xps_page_s -{ - char *name; - int number; - int width; - int height; - xml_element *root; - int links_resolved; - fz_link *links; - xps_page *next; -}; +/* + xps_close_document: Closes and frees an opened document. -struct xps_target_s -{ - char *name; - int page; - xps_target *next; -}; + The resource store in the context associated with xps_document + is emptied. -void xps_read_page_list(xps_document *doc); -void xps_debug_page_list(xps_document *doc); -void xps_free_page_list(xps_document *doc); + Does not throw exceptions. +*/ +void xps_close_document(xps_document *doc); int xps_count_pages(xps_document *doc); xps_page *xps_load_page(xps_document *doc, int number); -fz_link *xps_load_links(xps_document *doc, xps_page *page); fz_rect xps_bound_page(xps_document *doc, xps_page *page); +void xps_run_page(xps_document *doc, xps_page *page, fz_device *dev, fz_matrix ctm, fz_cookie *cookie); +fz_link *xps_load_links(xps_document *doc, xps_page *page); void xps_free_page(xps_document *doc, xps_page *page); fz_outline *xps_load_outline(xps_document *doc); -int xps_find_link_target(xps_document *doc, char *target_uri); -void xps_add_link(xps_document *doc, fz_rect area, char *base_uri, char *target_uri); -/* - * Images, fonts, and colorspaces. - */ - -typedef struct xps_font_cache_s xps_font_cache; - -struct xps_font_cache_s -{ - char *name; - fz_font *font; - xps_font_cache *next; -}; - -typedef struct xps_glyph_metrics_s xps_glyph_metrics; - -struct xps_glyph_metrics_s -{ - float hadv, vadv, vorg; -}; - -int xps_count_font_encodings(fz_font *font); -void xps_identify_font_encoding(fz_font *font, int idx, int *pid, int *eid); -void xps_select_font_encoding(fz_font *font, int idx); -int xps_encode_font_char(fz_font *font, int key); - -void xps_measure_font_glyph(xps_document *doc, fz_font *font, int gid, xps_glyph_metrics *mtx); - -void xps_debug_path(xps_document *doc); - -void xps_parse_color(xps_document *doc, char *base_uri, char *hexstring, fz_colorspace **csp, float *samples); -void xps_set_color(xps_document *doc, fz_colorspace *colorspace, float *samples); - -/* - * Resource dictionaries. - */ - -typedef struct xps_resource_s xps_resource; - -struct xps_resource_s -{ - char *name; - char *base_uri; /* only used in the head nodes */ - xml_element *base_xml; /* only used in the head nodes, to free the xml document */ - xml_element *data; - xps_resource *next; - xps_resource *parent; /* up to the previous dict in the stack */ -}; - -xps_resource * xps_parse_resource_dictionary(xps_document *doc, char *base_uri, xml_element *root); -void xps_free_resource_dictionary(xps_document *doc, xps_resource *dict); -void xps_resolve_resource_reference(xps_document *doc, xps_resource *dict, char **attp, xml_element **tagp, char **urip); - -void xps_debug_resource_dictionary(xps_resource *dict); - -/* - * Fixed page/graphics parsing. - */ - -void xps_run_page(xps_document *doc, xps_page *page, fz_device *dev, fz_matrix ctm, fz_cookie *cookie); - -void xps_parse_fixed_page(xps_document *doc, fz_matrix ctm, xps_page *page); -void xps_parse_canvas(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node); -void xps_parse_path(xps_document *doc, fz_matrix ctm, char *base_uri, xps_resource *dict, xml_element *node); -void xps_parse_glyphs(xps_document *doc, fz_matrix ctm, char *base_uri, xps_resource *dict, xml_element *node); -void xps_parse_solid_color_brush(xps_document *doc, fz_matrix ctm, char *base_uri, xps_resource *dict, xml_element *node); -void xps_parse_image_brush(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node); -void xps_parse_visual_brush(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node); -void xps_parse_linear_gradient_brush(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node); -void xps_parse_radial_gradient_brush(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node); - -void xps_parse_tiling_brush(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *root, void(*func)(xps_document*, fz_matrix, fz_rect, char*, xps_resource*, xml_element*, void*), void *user); - -void xps_parse_matrix_transform(xps_document *doc, xml_element *root, fz_matrix *matrix); -void xps_parse_render_transform(xps_document *doc, char *text, fz_matrix *matrix); -void xps_parse_rectangle(xps_document *doc, char *text, fz_rect *rect); - -void xps_begin_opacity(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, char *opacity_att, xml_element *opacity_mask_tag); -void xps_end_opacity(xps_document *doc, char *base_uri, xps_resource *dict, char *opacity_att, xml_element *opacity_mask_tag); - -void xps_parse_brush(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node); -void xps_parse_element(xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node); - -void xps_clip(xps_document *doc, fz_matrix ctm, xps_resource *dict, char *clip_att, xml_element *clip_tag); - -/* - * The interpreter context. - */ - -typedef struct xps_entry_s xps_entry; - -struct xps_entry_s -{ - char *name; - int offset; - int csize; - int usize; -}; - -struct xps_document_s -{ - fz_document super; - - fz_context *ctx; - char *directory; - fz_stream *file; - int zip_count; - xps_entry *zip_table; - - char *start_part; /* fixed document sequence */ - xps_fixdoc *first_fixdoc; /* first fixed document */ - xps_fixdoc *last_fixdoc; /* last fixed document */ - xps_page *first_page; /* first page of document */ - xps_page *last_page; /* last page of document */ - int page_count; - - xps_target *target; /* link targets */ - - char *base_uri; /* base uri for parsing XML and resolving relative paths */ - char *part_uri; /* part uri for parsing metadata relations */ - - /* We cache font resources */ - xps_font_cache *font_table; - - /* Opacity attribute stack */ - float opacity[64]; - int opacity_top; - - /* Current color */ - fz_colorspace *colorspace; - float color[8]; - float alpha; - - /* Current device */ - fz_cookie *cookie; - fz_device *dev; - - /* Current page we are loading */ - xps_page *current_page; -}; - -xps_document *xps_open_document(fz_context *ctx, char *filename); -xps_document *xps_open_document_with_stream(fz_stream *file); -void xps_close_document(xps_document *doc); - -/* - * Parsing helper functions - */ -char *xps_get_real_params(char *s, int num, float *x); -char *xps_get_point(char *s_in, float *x, float *y); - #endif |