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Diffstat (limited to 'xps/muxps-internal.h')
| -rw-r--r-- | xps/muxps-internal.h | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/xps/muxps-internal.h b/xps/muxps-internal.h new file mode 100644 index 00000000..20bab4c1 --- /dev/null +++ b/xps/muxps-internal.h @@ -0,0 +1,242 @@ +#ifndef MUXPS_INTERNAL_H +#define MUXPS_INTERNAL_H + +#include "muxps.h" +#include "fitz-internal.h" + +typedef unsigned char byte; + +/* + * XPS and ZIP constants. + */ + +#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); +char *xps_parse_point(char *s_in, float *x, float *y); + +/* + * Container parts. + */ + +typedef struct xps_part_s xps_part; + +struct xps_part_s +{ + char *name; + int size; + int cap; + byte *data; +}; + +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); + +/* + * Document structure. + */ + +typedef struct xps_fixdoc_s xps_fixdoc; +typedef struct xps_target_s xps_target; + +struct xps_fixdoc_s +{ + char *name; + char *outline; + xps_fixdoc *next; +}; + +struct xps_page_s +{ + char *name; + int number; + int width; + int height; + xml_element *root; + int links_resolved; + fz_link *links; + xps_page *next; +}; + +struct xps_target_s +{ + char *name; + int page; + xps_target *next; +}; + +void xps_read_page_list(xps_document *doc); +void xps_print_page_list(xps_document *doc); +void xps_free_page_list(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_free_page(xps_document *doc, xps_page *page); + +fz_outline *xps_load_outline(xps_document *doc); + +int xps_lookup_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_print_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_print_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; +}; + +#endif |