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#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.
*/
typedef struct xps_context_s xps_context;
#define REL_START_PART \
"http://schemas.microsoft.com/xps/2005/06/fixedrepresentation"
#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_absolute_path(char *output, char *base_uri, char *path, int output_size);
/*
* Generic hashtable.
*/
typedef struct xps_hash_table_s xps_hash_table;
xps_hash_table *xps_hash_new(void);
void *xps_hash_lookup(xps_hash_table *table, char *key);
int xps_hash_insert(xps_hash_table *table, char *key, void *value);
void xps_hash_free(xps_hash_table *table,
void (*free_key)(void *),
void (*free_value)(void *));
void xps_hash_debug(xps_hash_table *table);
/*
* XML document model
*/
typedef struct element xml_element;
xml_element *xml_parse_document(byte *buf, int len);
xml_element *xml_next(xml_element *item);
xml_element *xml_down(xml_element *item);
char *xml_tag(xml_element *item);
char *xml_att(xml_element *item, const char *att);
void xml_free_element(xml_element *item);
void xml_print_element(xml_element *item, int level);
/*
* 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_context *ctx, char *name, int size);
xps_part *xps_read_part(xps_context *ctx, char *partname);
void xps_free_part(xps_context *ctx, xps_part *part);
/*
* Document structure.
*/
typedef struct xps_document_s xps_document;
typedef struct xps_page_s xps_page;
struct xps_document_s
{
char *name;
xps_document *next;
};
struct xps_page_s
{
char *name;
int width;
int height;
xml_element *root;
xps_page *next;
};
int xps_read_page_list(xps_context *ctx);
void xps_debug_page_list(xps_context *ctx);
void xps_free_page_list(xps_context *ctx);
int xps_count_pages(xps_context *ctx);
int xps_load_page(xps_page **page, xps_context *ctx, int number);
void xps_free_page(xps_context *ctx, xps_page *page);
/*
* Images, fonts, and colorspaces.
*/
int xps_decode_jpeg(fz_pixmap **imagep, byte *rbuf, int rlen);
int xps_decode_png(fz_pixmap **imagep, byte *rbuf, int rlen);
int xps_decode_tiff(fz_pixmap **imagep, byte *rbuf, int rlen);
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_context *ctx, fz_font *font, int gid, xps_glyph_metrics *mtx);
void xps_debug_path(xps_context *ctx);
void xps_parse_color(xps_context *ctx, char *base_uri, char *hexstring, fz_colorspace **csp, float *samples);
void xps_set_color(xps_context *ctx, 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 */
};
int xps_parse_resource_dictionary(xps_context *ctx, xps_resource **dictp, char *base_uri, xml_element *root);
void xps_free_resource_dictionary(xps_context *ctx, xps_resource *dict);
void xps_resolve_resource_reference(xps_context *ctx, xps_resource *dict, char **attp, xml_element **tagp, char **urip);
void xps_debug_resource_dictionary(xps_resource *dict);
/*
* Fixed page/graphics parsing.
*/
void xps_parse_fixed_page(xps_context *ctx, fz_matrix ctm, xps_page *page);
void xps_parse_canvas(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
void xps_parse_path(xps_context *ctx, fz_matrix ctm, char *base_uri, xps_resource *dict, xml_element *node);
void xps_parse_glyphs(xps_context *ctx, fz_matrix ctm, char *base_uri, xps_resource *dict, xml_element *node);
void xps_parse_solid_color_brush(xps_context *ctx, fz_matrix ctm, char *base_uri, xps_resource *dict, xml_element *node);
void xps_parse_image_brush(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
void xps_parse_visual_brush(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
void xps_parse_linear_gradient_brush(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
void xps_parse_radial_gradient_brush(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
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);
void xps_parse_matrix_transform(xps_context *ctx, xml_element *root, fz_matrix *matrix);
void xps_parse_render_transform(xps_context *ctx, char *text, fz_matrix *matrix);
void xps_parse_rectangle(xps_context *ctx, char *text, fz_rect *rect);
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);
void xps_end_opacity(xps_context *ctx, char *base_uri, xps_resource *dict, char *opacity_att, xml_element *opacity_mask_tag);
void xps_parse_brush(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
void xps_parse_element(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node);
void xps_clip(xps_context *ctx, 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_context_s
{
char *directory;
fz_stream *file;
int zip_count;
xps_entry *zip_table;
char *start_part; /* fixed document sequence */
xps_document *first_fixdoc; /* first fixed document */
xps_document *last_fixdoc; /* last fixed document */
xps_page *first_page; /* first page of document */
xps_page *last_page; /* last page of document */
char *base_uri; /* base uri for parsing XML and resolving relative paths */
char *part_uri; /* part uri for parsing metadata relations */
/* We cache font and colorspace resources */
xps_hash_table *font_table;
xps_hash_table *colorspace_table;
/* Opacity attribute stack */
float opacity[64];
int opacity_top;
/* Current color */
fz_colorspace *colorspace;
float color[8];
float alpha;
/* Current device */
fz_device *dev;
};
int xps_open_file(xps_context **ctxp, char *filename);
void xps_free_context(xps_context *ctx);
#endif
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