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landaiqing
2026-02-10 14:45:18 +08:00
parent a530a79566
commit 5ce88674da
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136
include/mupdf/fitz/util.h
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@@ -1,3 +1,25 @@
// Copyright (C) 2004-2022 Artifex Software, Inc.
//
// This file is part of MuPDF.
//
// MuPDF is free software: you can redistribute it and/or modify it under the
// terms of the GNU Affero General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option)
// any later version.
//
// MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
// details.
//
// You should have received a copy of the GNU Affero General Public License
// along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
//
// Alternative licensing terms are available from the licensor.
// For commercial licensing, see <https://www.artifex.com/> or contact
// Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
// CA 94129, USA, for further information.
#ifndef MUPDF_FITZ_UTIL_H
#define MUPDF_FITZ_UTIL_H
@@ -8,70 +30,122 @@
#include "mupdf/fitz/pixmap.h"
#include "mupdf/fitz/structured-text.h"
#include "mupdf/fitz/buffer.h"
#include "mupdf/fitz/xml.h"
#include "mupdf/fitz/archive.h"
#include "mupdf/fitz/display-list.h"
/*
fz_new_display_list_from_page: Create a display list with the contents of a page.
/**
Create a display list.
Ownership of the display list is returned to the caller.
*/
fz_display_list *fz_new_display_list_from_page(fz_context *ctx, fz_page *page);
fz_display_list *fz_new_display_list_from_page_number(fz_context *ctx, fz_document *doc, int number);
/**
Create a display list from page contents (no annotations).
Ownership of the display list is returned to the caller.
*/
fz_display_list *fz_new_display_list_from_page_contents(fz_context *ctx, fz_page *page);
fz_display_list *fz_new_display_list_from_annot(fz_context *ctx, fz_annot *annot);
/*
fz_new_pixmap_from_page: Render the page to a pixmap using the transform and colorspace.
/**
Render the page to a pixmap using the transform and colorspace.
Ownership of the pixmap is returned to the caller.
*/
fz_pixmap *fz_new_pixmap_from_display_list(fz_context *ctx, fz_display_list *list, const fz_matrix *ctm, fz_colorspace *cs, int alpha);
fz_pixmap *fz_new_pixmap_from_page(fz_context *ctx, fz_page *page, const fz_matrix *ctm, fz_colorspace *cs, int alpha);
fz_pixmap *fz_new_pixmap_from_page_number(fz_context *ctx, fz_document *doc, int number, const fz_matrix *ctm, fz_colorspace *cs, int alpha);
fz_pixmap *fz_new_pixmap_from_display_list(fz_context *ctx, fz_display_list *list, fz_matrix ctm, fz_colorspace *cs, int alpha);
fz_pixmap *fz_new_pixmap_from_page(fz_context *ctx, fz_page *page, fz_matrix ctm, fz_colorspace *cs, int alpha);
fz_pixmap *fz_new_pixmap_from_page_number(fz_context *ctx, fz_document *doc, int number, fz_matrix ctm, fz_colorspace *cs, int alpha);
/*
fz_new_pixmap_from_page_contents: Render the page contents without annotations.
/**
Render the page contents without annotations.
Ownership of the pixmap is returned to the caller.
*/
fz_pixmap *fz_new_pixmap_from_page_contents(fz_context *ctx, fz_page *page, const fz_matrix *ctm, fz_colorspace *cs, int alpha);
fz_pixmap *fz_new_pixmap_from_page_contents(fz_context *ctx, fz_page *page, fz_matrix ctm, fz_colorspace *cs, int alpha);
/*
fz_new_pixmap_from_annot: Render an annotation suitable for blending on top of the opaque
pixmap returned by fz_new_pixmap_from_page_contents.
/**
Render the page contents with control over spot colors.
Ownership of the pixmap is returned to the caller.
*/
fz_pixmap *fz_new_pixmap_from_annot(fz_context *ctx, fz_annot *annot, const fz_matrix *ctm, fz_colorspace *cs, int alpha);
fz_pixmap *fz_new_pixmap_from_display_list_with_separations(fz_context *ctx, fz_display_list *list, fz_matrix ctm, fz_colorspace *cs, fz_separations *seps, int alpha);
fz_pixmap *fz_new_pixmap_from_page_with_separations(fz_context *ctx, fz_page *page, fz_matrix ctm, fz_colorspace *cs, fz_separations *seps, int alpha);
fz_pixmap *fz_new_pixmap_from_page_number_with_separations(fz_context *ctx, fz_document *doc, int number, fz_matrix ctm, fz_colorspace *cs, fz_separations *seps, int alpha);
fz_pixmap *fz_new_pixmap_from_page_contents_with_separations(fz_context *ctx, fz_page *page, fz_matrix ctm, fz_colorspace *cs, fz_separations *seps, int alpha);
/*
fz_new_stext_page_from_page: Extract structured text from a page.
fz_pixmap *fz_fill_pixmap_from_display_list(fz_context *ctx, fz_display_list *list, fz_matrix ctm, fz_pixmap *pix);
/**
Extract text from page.
Ownership of the fz_stext_page is returned to the caller.
*/
fz_stext_page *fz_new_stext_page_from_page(fz_context *ctx, fz_page *page, const fz_stext_options *options);
fz_stext_page *fz_new_stext_page_from_page_number(fz_context *ctx, fz_document *doc, int number, const fz_stext_options *options);
fz_stext_page *fz_new_stext_page_from_chapter_page_number(fz_context *ctx, fz_document *doc, int chapter, int number, const fz_stext_options *options);
fz_stext_page *fz_new_stext_page_from_display_list(fz_context *ctx, fz_display_list *list, const fz_stext_options *options);
/*
fz_new_buffer_from_stext_page: Convert structured text into plain text.
/**
Convert structured text into plain text.
*/
fz_buffer *fz_new_buffer_from_stext_page(fz_context *ctx, fz_stext_page *text);
fz_buffer *fz_new_buffer_from_page(fz_context *ctx, fz_page *page, const fz_stext_options *options);
fz_buffer *fz_new_buffer_from_page_number(fz_context *ctx, fz_document *doc, int number, const fz_stext_options *options);
fz_buffer *fz_new_buffer_from_display_list(fz_context *ctx, fz_display_list *list, const fz_stext_options *options);
/*
fz_search_page: Search for the 'needle' text on the page.
Record the hits in the hit_bbox array and return the number of hits.
Will stop looking once it has filled hit_max rectangles.
/**
Search for the 'needle' text on the page.
Record the hits in the hit_bbox array and return the number of
hits. Will stop looking once it has filled hit_max rectangles.
*/
int fz_search_page(fz_context *ctx, fz_page *page, const char *needle, fz_rect *hit_bbox, int hit_max);
int fz_search_page_number(fz_context *ctx, fz_document *doc, int number, const char *needle, fz_rect *hit_bbox, int hit_max);
int fz_search_display_list(fz_context *ctx, fz_display_list *list, const char *needle, fz_rect *hit_bbox, int hit_max);
int fz_search_page(fz_context *ctx, fz_page *page, const char *needle, int *hit_mark, fz_quad *hit_bbox, int hit_max);
int fz_search_page_number(fz_context *ctx, fz_document *doc, int number, const char *needle, int *hit_mark, fz_quad *hit_bbox, int hit_max);
int fz_search_chapter_page_number(fz_context *ctx, fz_document *doc, int chapter, int page, const char *needle, int *hit_mark, fz_quad *hit_bbox, int hit_max);
int fz_search_display_list(fz_context *ctx, fz_display_list *list, const char *needle, int *hit_mark, fz_quad *hit_bbox, int hit_max);
/*
/**
Parse an SVG document into a display-list.
*/
fz_display_list *fz_new_display_list_from_svg(fz_context *ctx, fz_buffer *buf, float *w, float *h);
fz_display_list *fz_new_display_list_from_svg(fz_context *ctx, fz_buffer *buf, const char *base_uri, fz_archive *dir, float *w, float *h);
/*
/**
Create a scalable image from an SVG document.
*/
fz_image *fz_new_image_from_svg(fz_context *ctx, fz_buffer *buf);
fz_image *fz_new_image_from_svg(fz_context *ctx, fz_buffer *buf, const char *base_uri, fz_archive *dir);
/*
/**
Parse an SVG document into a display-list.
*/
fz_display_list *fz_new_display_list_from_svg_xml(fz_context *ctx, fz_xml_doc *xmldoc, fz_xml *xml, const char *base_uri, fz_archive *dir, float *w, float *h);
/**
Create a scalable image from an SVG document.
*/
fz_image *fz_new_image_from_svg_xml(fz_context *ctx, fz_xml_doc *xmldoc, fz_xml *xml, const char *base_uri, fz_archive *dir);
/**
Write image as a data URI (for HTML and SVG output).
*/
void fz_write_image_as_data_uri(fz_context *ctx, fz_output *out, fz_image *image);
void fz_write_pixmap_as_data_uri(fz_context *ctx, fz_output *out, fz_pixmap *pixmap);
void fz_append_image_as_data_uri(fz_context *ctx, fz_buffer *out, fz_image *image);
void fz_append_pixmap_as_data_uri(fz_context *ctx, fz_buffer *out, fz_pixmap *pixmap);
/**
Use text extraction to convert the input document into XHTML,
then open the result as a new document that can be reflowed.
*/
fz_document *fz_new_xhtml_document_from_document(fz_context *ctx, fz_document *old_doc, const fz_stext_options *opts);
/**
Returns an fz_buffer containing a page after conversion to specified format.
page: The page to convert.
format, options: Passed to fz_new_document_writer_with_output() internally.
transform, cookie: Passed to fz_run_page() internally.
*/
fz_buffer *fz_new_buffer_from_page_with_format(fz_context *ctx, fz_page *page, const char *format, const char *options, fz_matrix transform, fz_cookie *cookie);
#endif