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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); |
| |
| /* |
| * 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_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_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 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_device *dev; |
| }; |
| |
| int xps_open_file(xps_context **ctxp, char *filename); |
| int xps_open_stream(xps_context **ctxp, fz_stream *file); |
| void xps_free_context(xps_context *ctx); |
| |
| #endif |