234 lines
7.0 KiB
C
234 lines
7.0 KiB
C
#ifndef _MUXPS_H_
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#define _MUXPS_H_
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#ifndef _FITZ_H_
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#error "fitz.h must be included before muxps.h"
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#endif
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typedef unsigned char byte;
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/*
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* XPS and ZIP constants.
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*/
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typedef struct xps_context_s xps_context;
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#define REL_START_PART \
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"http://schemas.microsoft.com/xps/2005/06/fixedrepresentation"
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#define REL_REQUIRED_RESOURCE \
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"http://schemas.microsoft.com/xps/2005/06/required-resource"
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#define REL_REQUIRED_RESOURCE_RECURSIVE \
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"http://schemas.microsoft.com/xps/2005/06/required-resource#recursive"
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#define ZIP_LOCAL_FILE_SIG 0x04034b50
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#define ZIP_DATA_DESC_SIG 0x08074b50
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#define ZIP_CENTRAL_DIRECTORY_SIG 0x02014b50
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#define ZIP_END_OF_CENTRAL_DIRECTORY_SIG 0x06054b50
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/*
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* Memory, and string functions.
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*/
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int xps_strcasecmp(char *a, char *b);
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void xps_absolute_path(char *output, char *base_uri, char *path, int output_size);
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/*
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* XML document model
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*/
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typedef struct element xml_element;
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xml_element *xml_parse_document(byte *buf, int len);
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xml_element *xml_next(xml_element *item);
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xml_element *xml_down(xml_element *item);
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char *xml_tag(xml_element *item);
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char *xml_att(xml_element *item, const char *att);
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void xml_free_element(xml_element *item);
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void xml_print_element(xml_element *item, int level);
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/*
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* Container parts.
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*/
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typedef struct xps_part_s xps_part;
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struct xps_part_s
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{
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char *name;
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int size;
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int cap;
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byte *data;
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};
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xps_part *xps_new_part(xps_context *ctx, char *name, int size);
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xps_part *xps_read_part(xps_context *ctx, char *partname);
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void xps_free_part(xps_context *ctx, xps_part *part);
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/*
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* Document structure.
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*/
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typedef struct xps_document_s xps_document;
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typedef struct xps_page_s xps_page;
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struct xps_document_s
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{
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char *name;
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xps_document *next;
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};
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struct xps_page_s
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{
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char *name;
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int width;
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int height;
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xml_element *root;
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xps_page *next;
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};
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int xps_read_page_list(xps_context *ctx);
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void xps_debug_page_list(xps_context *ctx);
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void xps_free_page_list(xps_context *ctx);
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int xps_count_pages(xps_context *ctx);
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int xps_load_page(xps_page **page, xps_context *ctx, int number);
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void xps_free_page(xps_context *ctx, xps_page *page);
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/*
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* Images, fonts, and colorspaces.
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*/
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int xps_decode_jpeg(fz_pixmap **imagep, byte *rbuf, int rlen);
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int xps_decode_png(fz_pixmap **imagep, byte *rbuf, int rlen);
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int xps_decode_tiff(fz_pixmap **imagep, byte *rbuf, int rlen);
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typedef struct xps_font_cache_s xps_font_cache;
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struct xps_font_cache_s
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{
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char *name;
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fz_font *font;
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xps_font_cache *next;
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};
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typedef struct xps_glyph_metrics_s xps_glyph_metrics;
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struct xps_glyph_metrics_s
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{
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float hadv, vadv, vorg;
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};
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int xps_count_font_encodings(fz_font *font);
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void xps_identify_font_encoding(fz_font *font, int idx, int *pid, int *eid);
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void xps_select_font_encoding(fz_font *font, int idx);
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int xps_encode_font_char(fz_font *font, int key);
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void xps_measure_font_glyph(xps_context *ctx, fz_font *font, int gid, xps_glyph_metrics *mtx);
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void xps_debug_path(xps_context *ctx);
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void xps_parse_color(xps_context *ctx, char *base_uri, char *hexstring, fz_colorspace **csp, float *samples);
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void xps_set_color(xps_context *ctx, fz_colorspace *colorspace, float *samples);
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/*
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* Resource dictionaries.
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*/
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typedef struct xps_resource_s xps_resource;
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struct xps_resource_s
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{
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char *name;
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char *base_uri; /* only used in the head nodes */
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xml_element *base_xml; /* only used in the head nodes, to free the xml document */
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xml_element *data;
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xps_resource *next;
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xps_resource *parent; /* up to the previous dict in the stack */
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};
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int xps_parse_resource_dictionary(xps_context *ctx, xps_resource **dictp, char *base_uri, xml_element *root);
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void xps_free_resource_dictionary(xps_context *ctx, xps_resource *dict);
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void xps_resolve_resource_reference(xps_context *ctx, xps_resource *dict, char **attp, xml_element **tagp, char **urip);
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void xps_debug_resource_dictionary(xps_resource *dict);
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/*
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* Fixed page/graphics parsing.
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*/
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void xps_parse_fixed_page(xps_context *ctx, fz_matrix ctm, xps_page *page);
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void xps_parse_canvas(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
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void xps_parse_path(xps_context *ctx, fz_matrix ctm, char *base_uri, xps_resource *dict, xml_element *node);
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void xps_parse_glyphs(xps_context *ctx, fz_matrix ctm, char *base_uri, xps_resource *dict, xml_element *node);
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void xps_parse_solid_color_brush(xps_context *ctx, fz_matrix ctm, char *base_uri, xps_resource *dict, xml_element *node);
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void xps_parse_image_brush(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
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void xps_parse_visual_brush(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
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void xps_parse_linear_gradient_brush(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
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void xps_parse_radial_gradient_brush(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
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void xps_parse_tiling_brush(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *root, void(*func)(xps_context*, fz_matrix, fz_rect, char*, xps_resource*, xml_element*, void*), void *user);
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void xps_parse_matrix_transform(xps_context *ctx, xml_element *root, fz_matrix *matrix);
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void xps_parse_render_transform(xps_context *ctx, char *text, fz_matrix *matrix);
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void xps_parse_rectangle(xps_context *ctx, char *text, fz_rect *rect);
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void xps_begin_opacity(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, char *opacity_att, xml_element *opacity_mask_tag);
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void xps_end_opacity(xps_context *ctx, char *base_uri, xps_resource *dict, char *opacity_att, xml_element *opacity_mask_tag);
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void xps_parse_brush(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
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void xps_parse_element(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
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void xps_clip(xps_context *ctx, fz_matrix ctm, xps_resource *dict, char *clip_att, xml_element *clip_tag);
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/*
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* The interpreter context.
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*/
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typedef struct xps_entry_s xps_entry;
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struct xps_entry_s
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{
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char *name;
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int offset;
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int csize;
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int usize;
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};
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struct xps_context_s
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{
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char *directory;
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fz_stream *file;
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int zip_count;
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xps_entry *zip_table;
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char *start_part; /* fixed document sequence */
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xps_document *first_fixdoc; /* first fixed document */
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xps_document *last_fixdoc; /* last fixed document */
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xps_page *first_page; /* first page of document */
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xps_page *last_page; /* last page of document */
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char *base_uri; /* base uri for parsing XML and resolving relative paths */
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char *part_uri; /* part uri for parsing metadata relations */
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/* We cache font resources */
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xps_font_cache *font_table;
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/* Opacity attribute stack */
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float opacity[64];
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int opacity_top;
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/* Current color */
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fz_colorspace *colorspace;
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float color[8];
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float alpha;
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/* Current device */
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fz_device *dev;
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};
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int xps_open_file(xps_context **ctxp, char *filename);
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int xps_open_stream(xps_context **ctxp, fz_stream *file);
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void xps_free_context(xps_context *ctx);
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#endif
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