mirror of
https://github.com/pdf2htmlEX/pdf2htmlEX.git
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ENABLE_SVG is on by default; do not support poppler <0.25.0
This commit is contained in:
Lu Wang
parent
4101e845eb
commit
ad6ff61797
803
3rdparty/poppler/0.22.5/CairoFontEngine.cc
vendored
803
3rdparty/poppler/0.22.5/CairoFontEngine.cc
vendored
@ -1,803 +0,0 @@
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//========================================================================
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//
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// CairoFontEngine.cc
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//
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// Copyright 2003 Glyph & Cog, LLC
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// Copyright 2004 Red Hat, Inc
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//
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//========================================================================
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//========================================================================
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//
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// Modified under the Poppler project - http://poppler.freedesktop.org
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//
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// All changes made under the Poppler project to this file are licensed
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// under GPL version 2 or later
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//
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// Copyright (C) 2005-2007 Jeff Muizelaar <jeff@infidigm.net>
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// Copyright (C) 2005, 2006 Kristian Høgsberg <krh@redhat.com>
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// Copyright (C) 2005 Martin Kretzschmar <martink@gnome.org>
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// Copyright (C) 2005, 2009, 2012 Albert Astals Cid <aacid@kde.org>
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// Copyright (C) 2006, 2007, 2010, 2011 Carlos Garcia Campos <carlosgc@gnome.org>
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// Copyright (C) 2007 Koji Otani <sho@bbr.jp>
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// Copyright (C) 2008, 2009 Chris Wilson <chris@chris-wilson.co.uk>
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// Copyright (C) 2008, 2012 Adrian Johnson <ajohnson@redneon.com>
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// Copyright (C) 2009 Darren Kenny <darren.kenny@sun.com>
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// Copyright (C) 2010 Suzuki Toshiya <mpsuzuki@hiroshima-u.ac.jp>
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// Copyright (C) 2010 Jan Kümmel <jan+freedesktop@snorc.org>
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// Copyright (C) 2012 Hib Eris <hib@hiberis.nl>
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//
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// To see a description of the changes please see the Changelog file that
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// came with your tarball or type make ChangeLog if you are building from git
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//
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//========================================================================
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#include <poppler-config.h>
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#include <string.h>
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#include "CairoFontEngine.h"
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#include "CairoOutputDev.h"
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#include "GlobalParams.h"
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#include <fofi/FoFiTrueType.h>
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#include <fofi/FoFiType1C.h>
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#include "goo/gfile.h"
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#include "Error.h"
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#include "XRef.h"
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#include "Gfx.h"
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#include "Page.h"
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#if HAVE_FCNTL_H && HAVE_SYS_MMAN_H && HAVE_SYS_STAT_H
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#define CAN_CHECK_OPEN_FACES 1
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#endif
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#ifdef USE_GCC_PRAGMAS
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#pragma implementation
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#endif
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//------------------------------------------------------------------------
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// CairoFont
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//------------------------------------------------------------------------
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CairoFont::CairoFont(Ref ref,
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cairo_font_face_t *cairo_font_face,
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int *codeToGID,
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Guint codeToGIDLen,
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GBool substitute,
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GBool printing) : ref(ref),
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cairo_font_face(cairo_font_face),
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codeToGID(codeToGID),
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codeToGIDLen(codeToGIDLen),
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substitute(substitute),
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printing(printing) { }
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CairoFont::~CairoFont() {
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cairo_font_face_destroy (cairo_font_face);
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gfree(codeToGID);
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}
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GBool
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CairoFont::matches(Ref &other, GBool printingA) {
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return (other.num == ref.num && other.gen == ref.gen);
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}
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cairo_font_face_t *
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CairoFont::getFontFace(void) {
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return cairo_font_face;
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}
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unsigned long
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CairoFont::getGlyph(CharCode code,
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Unicode *u, int uLen) {
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FT_UInt gid;
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if (codeToGID && code < codeToGIDLen) {
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gid = (FT_UInt)codeToGID[code];
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} else {
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gid = (FT_UInt)code;
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}
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return gid;
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}
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double
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CairoFont::getSubstitutionCorrection(GfxFont *gfxFont)
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{
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double w1, w2;
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CharCode code;
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char *name;
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// for substituted fonts: adjust the font matrix -- compare the
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// width of 'm' in the original font and the substituted font
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if (isSubstitute() && !gfxFont->isCIDFont()) {
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for (code = 0; code < 256; ++code) {
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if ((name = ((Gfx8BitFont *)gfxFont)->getCharName(code)) &&
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name[0] == 'm' && name[1] == '\0') {
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break;
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}
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}
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if (code < 256) {
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w1 = ((Gfx8BitFont *)gfxFont)->getWidth(code);
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{
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cairo_matrix_t m;
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cairo_matrix_init_identity(&m);
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cairo_font_options_t *options = cairo_font_options_create();
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cairo_font_options_set_hint_style(options, CAIRO_HINT_STYLE_NONE);
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cairo_font_options_set_hint_metrics(options, CAIRO_HINT_METRICS_OFF);
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cairo_scaled_font_t *scaled_font = cairo_scaled_font_create(cairo_font_face, &m, &m, options);
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cairo_text_extents_t extents;
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cairo_scaled_font_text_extents(scaled_font, "m", &extents);
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cairo_scaled_font_destroy(scaled_font);
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cairo_font_options_destroy(options);
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w2 = extents.x_advance;
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}
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if (!gfxFont->isSymbolic()) {
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// if real font is substantially narrower than substituted
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// font, reduce the font size accordingly
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if (w1 > 0.01 && w1 < 0.9 * w2) {
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w1 /= w2;
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return w1;
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}
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}
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}
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}
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return 1.0;
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}
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//------------------------------------------------------------------------
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// CairoFreeTypeFont
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//------------------------------------------------------------------------
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static cairo_user_data_key_t _ft_cairo_key;
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static void
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_ft_done_face_uncached (void *closure)
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{
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FT_Face face = (FT_Face) closure;
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FT_Done_Face (face);
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}
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static GBool
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_ft_new_face_uncached (FT_Library lib,
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const char *filename,
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char *font_data,
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int font_data_len,
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FT_Face *face_out,
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cairo_font_face_t **font_face_out)
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{
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FT_Face face;
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cairo_font_face_t *font_face;
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if (font_data == NULL) {
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if (FT_New_Face (lib, filename, 0, &face))
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return gFalse;
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} else {
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if (FT_New_Memory_Face (lib, (unsigned char *)font_data, font_data_len, 0, &face))
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return gFalse;
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}
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font_face = cairo_ft_font_face_create_for_ft_face (face,
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FT_LOAD_NO_HINTING |
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FT_LOAD_NO_BITMAP);
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if (cairo_font_face_set_user_data (font_face,
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&_ft_cairo_key,
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face,
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_ft_done_face_uncached))
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{
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_ft_done_face_uncached (face);
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cairo_font_face_destroy (font_face);
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return gFalse;
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}
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*face_out = face;
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*font_face_out = font_face;
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return gTrue;
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}
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#if CAN_CHECK_OPEN_FACES
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static struct _ft_face_data {
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struct _ft_face_data *prev, *next, **head;
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int fd;
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unsigned long hash;
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size_t size;
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unsigned char *bytes;
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FT_Library lib;
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FT_Face face;
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cairo_font_face_t *font_face;
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} *_ft_open_faces;
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static unsigned long
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_djb_hash (const unsigned char *bytes, size_t len)
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{
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unsigned long hash = 5381;
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while (len--) {
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unsigned char c = *bytes++;
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hash *= 33;
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hash ^= c;
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}
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return hash;
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}
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static GBool
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_ft_face_data_equal (struct _ft_face_data *a, struct _ft_face_data *b)
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{
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if (a->lib != b->lib)
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return gFalse;
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if (a->size != b->size)
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return gFalse;
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if (a->hash != b->hash)
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return gFalse;
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return memcmp (a->bytes, b->bytes, a->size) == 0;
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}
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static void
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_ft_done_face (void *closure)
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{
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struct _ft_face_data *data = (struct _ft_face_data *) closure;
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if (data->next)
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data->next->prev = data->prev;
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if (data->prev)
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data->prev->next = data->next;
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else
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_ft_open_faces = data->next;
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#if defined(__SUNPRO_CC) && defined(__sun) && defined(__SVR4)
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munmap ((char*)data->bytes, data->size);
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#else
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munmap (data->bytes, data->size);
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#endif
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close (data->fd);
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FT_Done_Face (data->face);
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gfree (data);
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}
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static GBool
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_ft_new_face (FT_Library lib,
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const char *filename,
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char *font_data,
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int font_data_len,
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FT_Face *face_out,
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cairo_font_face_t **font_face_out)
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{
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struct _ft_face_data *l;
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struct stat st;
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struct _ft_face_data tmpl;
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tmpl.fd = -1;
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if (font_data == NULL) {
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/* if we fail to mmap the file, just pass it to FreeType instead */
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tmpl.fd = open (filename, O_RDONLY);
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if (tmpl.fd == -1)
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return _ft_new_face_uncached (lib, filename, font_data, font_data_len, face_out, font_face_out);
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if (fstat (tmpl.fd, &st) == -1) {
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close (tmpl.fd);
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return _ft_new_face_uncached (lib, filename, font_data, font_data_len, face_out, font_face_out);
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}
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tmpl.bytes = (unsigned char *) mmap (NULL, st.st_size,
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PROT_READ, MAP_PRIVATE,
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tmpl.fd, 0);
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if (tmpl.bytes == MAP_FAILED) {
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close (tmpl.fd);
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return _ft_new_face_uncached (lib, filename, font_data, font_data_len, face_out, font_face_out);
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}
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tmpl.size = st.st_size;
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} else {
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tmpl.bytes = (unsigned char*) font_data;
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tmpl.size = font_data_len;
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}
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/* check to see if this is a duplicate of any of the currently open fonts */
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tmpl.lib = lib;
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tmpl.hash = _djb_hash (tmpl.bytes, tmpl.size);
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for (l = _ft_open_faces; l; l = l->next) {
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if (_ft_face_data_equal (l, &tmpl)) {
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if (tmpl.fd != -1) {
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#if defined(__SUNPRO_CC) && defined(__sun) && defined(__SVR4)
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munmap ((char*)tmpl.bytes, tmpl.size);
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#else
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munmap (tmpl.bytes, tmpl.size);
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#endif
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close (tmpl.fd);
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}
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*face_out = l->face;
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*font_face_out = cairo_font_face_reference (l->font_face);
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return gTrue;
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||||||
}
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||||||
}
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|
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||||||
/* not a dup, open and insert into list */
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if (FT_New_Memory_Face (lib,
|
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(FT_Byte *) tmpl.bytes, tmpl.size,
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0, &tmpl.face))
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{
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if (tmpl.fd != -1) {
|
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#if defined(__SUNPRO_CC) && defined(__sun) && defined(__SVR4)
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munmap ((char*)tmpl.bytes, tmpl.size);
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#else
|
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munmap (tmpl.bytes, tmpl.size);
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#endif
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close (tmpl.fd);
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|
||||||
}
|
|
||||||
return gFalse;
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|
||||||
}
|
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||||||
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||||||
l = (struct _ft_face_data *) gmallocn (1, sizeof (struct _ft_face_data));
|
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||||||
*l = tmpl;
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||||||
l->prev = NULL;
|
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||||||
l->next = _ft_open_faces;
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||||||
if (_ft_open_faces)
|
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||||||
_ft_open_faces->prev = l;
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||||||
_ft_open_faces = l;
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||||||
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||||||
l->font_face = cairo_ft_font_face_create_for_ft_face (tmpl.face,
|
|
||||||
FT_LOAD_NO_HINTING |
|
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FT_LOAD_NO_BITMAP);
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if (cairo_font_face_set_user_data (l->font_face,
|
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||||||
&_ft_cairo_key,
|
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l,
|
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_ft_done_face))
|
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||||||
{
|
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cairo_font_face_destroy (l->font_face);
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||||||
_ft_done_face (l);
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||||||
return gFalse;
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||||||
}
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||||||
|
|
||||||
*face_out = l->face;
|
|
||||||
*font_face_out = l->font_face;
|
|
||||||
return gTrue;
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|
||||||
}
|
|
||||||
#else
|
|
||||||
#define _ft_new_face _ft_new_face_uncached
|
|
||||||
#endif
|
|
||||||
|
|
||||||
CairoFreeTypeFont::CairoFreeTypeFont(Ref ref,
|
|
||||||
cairo_font_face_t *cairo_font_face,
|
|
||||||
int *codeToGID,
|
|
||||||
Guint codeToGIDLen,
|
|
||||||
GBool substitute) : CairoFont(ref,
|
|
||||||
cairo_font_face,
|
|
||||||
codeToGID,
|
|
||||||
codeToGIDLen,
|
|
||||||
substitute,
|
|
||||||
gTrue) { }
|
|
||||||
|
|
||||||
CairoFreeTypeFont::~CairoFreeTypeFont() { }
|
|
||||||
|
|
||||||
CairoFreeTypeFont *CairoFreeTypeFont::create(GfxFont *gfxFont, XRef *xref,
|
|
||||||
FT_Library lib, GBool useCIDs) {
|
|
||||||
Object refObj, strObj;
|
|
||||||
GooString *fileName;
|
|
||||||
char *fileNameC;
|
|
||||||
char *font_data;
|
|
||||||
int font_data_len;
|
|
||||||
int i, n;
|
|
||||||
GfxFontType fontType;
|
|
||||||
GfxFontLoc *fontLoc;
|
|
||||||
char **enc;
|
|
||||||
char *name;
|
|
||||||
FoFiTrueType *ff;
|
|
||||||
FoFiType1C *ff1c;
|
|
||||||
Ref ref;
|
|
||||||
FT_Face face;
|
|
||||||
cairo_font_face_t *font_face;
|
|
||||||
|
|
||||||
int *codeToGID;
|
|
||||||
Guint codeToGIDLen;
|
|
||||||
|
|
||||||
codeToGID = NULL;
|
|
||||||
codeToGIDLen = 0;
|
|
||||||
font_data = NULL;
|
|
||||||
font_data_len = 0;
|
|
||||||
fileName = NULL;
|
|
||||||
fileNameC = NULL;
|
|
||||||
|
|
||||||
GBool substitute = gFalse;
|
|
||||||
|
|
||||||
ref = *gfxFont->getID();
|
|
||||||
fontType = gfxFont->getType();
|
|
||||||
|
|
||||||
if (!(fontLoc = gfxFont->locateFont(xref, gFalse))) {
|
|
||||||
error(errSyntaxError, -1, "Couldn't find a font for '{0:s}'",
|
|
||||||
gfxFont->getName() ? gfxFont->getName()->getCString()
|
|
||||||
: "(unnamed)");
|
|
||||||
goto err2;
|
|
||||||
}
|
|
||||||
|
|
||||||
// embedded font
|
|
||||||
if (fontLoc->locType == gfxFontLocEmbedded) {
|
|
||||||
font_data = gfxFont->readEmbFontFile(xref, &font_data_len);
|
|
||||||
if (NULL == font_data)
|
|
||||||
goto err2;
|
|
||||||
|
|
||||||
// external font
|
|
||||||
} else { // gfxFontLocExternal
|
|
||||||
fileName = fontLoc->path;
|
|
||||||
fontType = fontLoc->fontType;
|
|
||||||
substitute = gTrue;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (fileName != NULL) {
|
|
||||||
fileNameC = fileName->getCString();
|
|
||||||
}
|
|
||||||
|
|
||||||
switch (fontType) {
|
|
||||||
case fontType1:
|
|
||||||
case fontType1C:
|
|
||||||
case fontType1COT:
|
|
||||||
if (! _ft_new_face (lib, fileNameC, font_data, font_data_len, &face, &font_face)) {
|
|
||||||
error(errSyntaxError, -1, "could not create type1 face");
|
|
||||||
goto err2;
|
|
||||||
}
|
|
||||||
|
|
||||||
enc = ((Gfx8BitFont *)gfxFont)->getEncoding();
|
|
||||||
|
|
||||||
codeToGID = (int *)gmallocn(256, sizeof(int));
|
|
||||||
codeToGIDLen = 256;
|
|
||||||
for (i = 0; i < 256; ++i) {
|
|
||||||
codeToGID[i] = 0;
|
|
||||||
if ((name = enc[i])) {
|
|
||||||
codeToGID[i] = FT_Get_Name_Index(face, name);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
case fontCIDType2:
|
|
||||||
case fontCIDType2OT:
|
|
||||||
codeToGID = NULL;
|
|
||||||
n = 0;
|
|
||||||
if (((GfxCIDFont *)gfxFont)->getCIDToGID()) {
|
|
||||||
n = ((GfxCIDFont *)gfxFont)->getCIDToGIDLen();
|
|
||||||
if (n) {
|
|
||||||
codeToGID = (int *)gmallocn(n, sizeof(int));
|
|
||||||
memcpy(codeToGID, ((GfxCIDFont *)gfxFont)->getCIDToGID(),
|
|
||||||
n * sizeof(int));
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
if (font_data != NULL) {
|
|
||||||
ff = FoFiTrueType::make(font_data, font_data_len);
|
|
||||||
} else {
|
|
||||||
ff = FoFiTrueType::load(fileNameC);
|
|
||||||
}
|
|
||||||
if (! ff)
|
|
||||||
goto err2;
|
|
||||||
codeToGID = ((GfxCIDFont *)gfxFont)->getCodeToGIDMap(ff, &n);
|
|
||||||
delete ff;
|
|
||||||
}
|
|
||||||
codeToGIDLen = n;
|
|
||||||
/* Fall through */
|
|
||||||
case fontTrueType:
|
|
||||||
if (font_data != NULL) {
|
|
||||||
ff = FoFiTrueType::make(font_data, font_data_len);
|
|
||||||
} else {
|
|
||||||
ff = FoFiTrueType::load(fileNameC);
|
|
||||||
}
|
|
||||||
if (! ff) {
|
|
||||||
error(errSyntaxError, -1, "failed to load truetype font\n");
|
|
||||||
goto err2;
|
|
||||||
}
|
|
||||||
/* This might be set already for the CIDType2 case */
|
|
||||||
if (fontType == fontTrueType) {
|
|
||||||
codeToGID = ((Gfx8BitFont *)gfxFont)->getCodeToGIDMap(ff);
|
|
||||||
codeToGIDLen = 256;
|
|
||||||
}
|
|
||||||
delete ff;
|
|
||||||
if (! _ft_new_face (lib, fileNameC, font_data, font_data_len, &face, &font_face)) {
|
|
||||||
error(errSyntaxError, -1, "could not create truetype face\n");
|
|
||||||
goto err2;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
|
|
||||||
case fontCIDType0:
|
|
||||||
case fontCIDType0C:
|
|
||||||
|
|
||||||
codeToGID = NULL;
|
|
||||||
codeToGIDLen = 0;
|
|
||||||
|
|
||||||
if (!useCIDs)
|
|
||||||
{
|
|
||||||
if (font_data != NULL) {
|
|
||||||
ff1c = FoFiType1C::make(font_data, font_data_len);
|
|
||||||
} else {
|
|
||||||
ff1c = FoFiType1C::load(fileNameC);
|
|
||||||
}
|
|
||||||
if (ff1c) {
|
|
||||||
codeToGID = ff1c->getCIDToGIDMap((int *)&codeToGIDLen);
|
|
||||||
delete ff1c;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (! _ft_new_face (lib, fileNameC, font_data, font_data_len, &face, &font_face)) {
|
|
||||||
gfree(codeToGID);
|
|
||||||
codeToGID = NULL;
|
|
||||||
error(errSyntaxError, -1, "could not create cid face\n");
|
|
||||||
goto err2;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
|
|
||||||
default:
|
|
||||||
fprintf (stderr, "font type %d not handled\n", (int)fontType);
|
|
||||||
goto err2;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
delete fontLoc;
|
|
||||||
return new CairoFreeTypeFont(ref,
|
|
||||||
font_face,
|
|
||||||
codeToGID, codeToGIDLen,
|
|
||||||
substitute);
|
|
||||||
|
|
||||||
err2:
|
|
||||||
/* hmm? */
|
|
||||||
delete fontLoc;
|
|
||||||
fprintf (stderr, "some font thing failed\n");
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
//------------------------------------------------------------------------
|
|
||||||
// CairoType3Font
|
|
||||||
//------------------------------------------------------------------------
|
|
||||||
|
|
||||||
static const cairo_user_data_key_t type3_font_key = {0};
|
|
||||||
|
|
||||||
typedef struct _type3_font_info {
|
|
||||||
GfxFont *font;
|
|
||||||
PDFDoc *doc;
|
|
||||||
CairoFontEngine *fontEngine;
|
|
||||||
GBool printing;
|
|
||||||
} type3_font_info_t;
|
|
||||||
|
|
||||||
static void
|
|
||||||
_free_type3_font_info(void *closure)
|
|
||||||
{
|
|
||||||
type3_font_info_t *info = (type3_font_info_t *) closure;
|
|
||||||
|
|
||||||
info->font->decRefCnt();
|
|
||||||
free (info);
|
|
||||||
}
|
|
||||||
|
|
||||||
static cairo_status_t
|
|
||||||
_init_type3_glyph (cairo_scaled_font_t *scaled_font,
|
|
||||||
cairo_t *cr,
|
|
||||||
cairo_font_extents_t *extents)
|
|
||||||
{
|
|
||||||
type3_font_info_t *info;
|
|
||||||
GfxFont *font;
|
|
||||||
double *mat;
|
|
||||||
|
|
||||||
info = (type3_font_info_t *)
|
|
||||||
cairo_font_face_get_user_data (cairo_scaled_font_get_font_face (scaled_font),
|
|
||||||
&type3_font_key);
|
|
||||||
font = info->font;
|
|
||||||
mat = font->getFontBBox();
|
|
||||||
extents->ascent = mat[3]; /* y2 */
|
|
||||||
extents->descent = -mat[3]; /* -y1 */
|
|
||||||
extents->height = extents->ascent + extents->descent;
|
|
||||||
extents->max_x_advance = mat[2] - mat[1]; /* x2 - x1 */
|
|
||||||
extents->max_y_advance = 0;
|
|
||||||
|
|
||||||
return CAIRO_STATUS_SUCCESS;
|
|
||||||
}
|
|
||||||
|
|
||||||
static cairo_status_t
|
|
||||||
_render_type3_glyph (cairo_scaled_font_t *scaled_font,
|
|
||||||
unsigned long glyph,
|
|
||||||
cairo_t *cr,
|
|
||||||
cairo_text_extents_t *metrics)
|
|
||||||
{
|
|
||||||
Dict *charProcs;
|
|
||||||
Object charProc;
|
|
||||||
CairoOutputDev *output_dev;
|
|
||||||
cairo_matrix_t matrix, invert_y_axis;
|
|
||||||
double *mat;
|
|
||||||
double wx, wy;
|
|
||||||
PDFRectangle box;
|
|
||||||
type3_font_info_t *info;
|
|
||||||
GfxFont *font;
|
|
||||||
Dict *resDict;
|
|
||||||
Gfx *gfx;
|
|
||||||
|
|
||||||
info = (type3_font_info_t *)
|
|
||||||
cairo_font_face_get_user_data (cairo_scaled_font_get_font_face (scaled_font),
|
|
||||||
&type3_font_key);
|
|
||||||
|
|
||||||
font = info->font;
|
|
||||||
resDict = ((Gfx8BitFont *)font)->getResources();
|
|
||||||
charProcs = ((Gfx8BitFont *)(info->font))->getCharProcs();
|
|
||||||
if (!charProcs)
|
|
||||||
return CAIRO_STATUS_USER_FONT_ERROR;
|
|
||||||
|
|
||||||
if ((int)glyph >= charProcs->getLength())
|
|
||||||
return CAIRO_STATUS_USER_FONT_ERROR;
|
|
||||||
|
|
||||||
mat = font->getFontMatrix();
|
|
||||||
matrix.xx = mat[0];
|
|
||||||
matrix.yx = mat[1];
|
|
||||||
matrix.xy = mat[2];
|
|
||||||
matrix.yy = mat[3];
|
|
||||||
matrix.x0 = mat[4];
|
|
||||||
matrix.y0 = mat[5];
|
|
||||||
cairo_matrix_init_scale (&invert_y_axis, 1, -1);
|
|
||||||
cairo_matrix_multiply (&matrix, &matrix, &invert_y_axis);
|
|
||||||
cairo_transform (cr, &matrix);
|
|
||||||
|
|
||||||
output_dev = new CairoOutputDev();
|
|
||||||
output_dev->setCairo(cr);
|
|
||||||
output_dev->setPrinting(info->printing);
|
|
||||||
|
|
||||||
mat = font->getFontBBox();
|
|
||||||
box.x1 = mat[0];
|
|
||||||
box.y1 = mat[1];
|
|
||||||
box.x2 = mat[2];
|
|
||||||
box.y2 = mat[3];
|
|
||||||
gfx = new Gfx(info->doc, output_dev, resDict, &box, NULL);
|
|
||||||
output_dev->startDoc(info->doc, info->fontEngine);
|
|
||||||
output_dev->startPage (1, gfx->getState());
|
|
||||||
output_dev->setInType3Char(gTrue);
|
|
||||||
gfx->display(charProcs->getVal(glyph, &charProc));
|
|
||||||
|
|
||||||
output_dev->getType3GlyphWidth (&wx, &wy);
|
|
||||||
cairo_matrix_transform_distance (&matrix, &wx, &wy);
|
|
||||||
metrics->x_advance = wx;
|
|
||||||
metrics->y_advance = wy;
|
|
||||||
if (output_dev->hasType3GlyphBBox()) {
|
|
||||||
double *bbox = output_dev->getType3GlyphBBox();
|
|
||||||
|
|
||||||
cairo_matrix_transform_point (&matrix, &bbox[0], &bbox[1]);
|
|
||||||
cairo_matrix_transform_point (&matrix, &bbox[2], &bbox[3]);
|
|
||||||
metrics->x_bearing = bbox[0];
|
|
||||||
metrics->y_bearing = bbox[1];
|
|
||||||
metrics->width = bbox[2] - bbox[0];
|
|
||||||
metrics->height = bbox[3] - bbox[1];
|
|
||||||
}
|
|
||||||
|
|
||||||
delete gfx;
|
|
||||||
delete output_dev;
|
|
||||||
charProc.free();
|
|
||||||
|
|
||||||
return CAIRO_STATUS_SUCCESS;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
CairoType3Font *CairoType3Font::create(GfxFont *gfxFont, PDFDoc *doc,
|
|
||||||
CairoFontEngine *fontEngine,
|
|
||||||
GBool printing) {
|
|
||||||
Object refObj, strObj;
|
|
||||||
type3_font_info_t *info;
|
|
||||||
cairo_font_face_t *font_face;
|
|
||||||
Ref ref;
|
|
||||||
int *codeToGID;
|
|
||||||
Guint codeToGIDLen;
|
|
||||||
int i, j;
|
|
||||||
char **enc;
|
|
||||||
Dict *charProcs;
|
|
||||||
char *name;
|
|
||||||
|
|
||||||
charProcs = ((Gfx8BitFont *)gfxFont)->getCharProcs();
|
|
||||||
info = (type3_font_info_t *) malloc(sizeof(*info));
|
|
||||||
ref = *gfxFont->getID();
|
|
||||||
font_face = cairo_user_font_face_create();
|
|
||||||
cairo_user_font_face_set_init_func (font_face, _init_type3_glyph);
|
|
||||||
cairo_user_font_face_set_render_glyph_func (font_face, _render_type3_glyph);
|
|
||||||
gfxFont->incRefCnt();
|
|
||||||
info->font = gfxFont;
|
|
||||||
info->doc = doc;
|
|
||||||
info->fontEngine = fontEngine;
|
|
||||||
info->printing = printing;
|
|
||||||
|
|
||||||
cairo_font_face_set_user_data (font_face, &type3_font_key, (void *) info, _free_type3_font_info);
|
|
||||||
|
|
||||||
enc = ((Gfx8BitFont *)gfxFont)->getEncoding();
|
|
||||||
codeToGID = (int *)gmallocn(256, sizeof(int));
|
|
||||||
codeToGIDLen = 256;
|
|
||||||
for (i = 0; i < 256; ++i) {
|
|
||||||
codeToGID[i] = 0;
|
|
||||||
if (charProcs && (name = enc[i])) {
|
|
||||||
for (j = 0; j < charProcs->getLength(); j++) {
|
|
||||||
if (strcmp(name, charProcs->getKey(j)) == 0) {
|
|
||||||
codeToGID[i] = j;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
return new CairoType3Font(ref, doc, font_face, codeToGID, codeToGIDLen, printing);
|
|
||||||
}
|
|
||||||
|
|
||||||
CairoType3Font::CairoType3Font(Ref ref,
|
|
||||||
PDFDoc *doc,
|
|
||||||
cairo_font_face_t *cairo_font_face,
|
|
||||||
int *codeToGID,
|
|
||||||
Guint codeToGIDLen,
|
|
||||||
GBool printing) : CairoFont(ref,
|
|
||||||
cairo_font_face,
|
|
||||||
codeToGID,
|
|
||||||
codeToGIDLen,
|
|
||||||
gFalse,
|
|
||||||
printing),
|
|
||||||
doc(doc) { }
|
|
||||||
|
|
||||||
CairoType3Font::~CairoType3Font() { }
|
|
||||||
|
|
||||||
GBool
|
|
||||||
CairoType3Font::matches(Ref &other, GBool printingA) {
|
|
||||||
return (other.num == ref.num && other.gen == ref.gen && printing == printingA);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
//------------------------------------------------------------------------
|
|
||||||
// CairoFontEngine
|
|
||||||
//------------------------------------------------------------------------
|
|
||||||
|
|
||||||
CairoFontEngine::CairoFontEngine(FT_Library libA) {
|
|
||||||
int i;
|
|
||||||
|
|
||||||
lib = libA;
|
|
||||||
for (i = 0; i < cairoFontCacheSize; ++i) {
|
|
||||||
fontCache[i] = NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
FT_Int major, minor, patch;
|
|
||||||
// as of FT 2.1.8, CID fonts are indexed by CID instead of GID
|
|
||||||
FT_Library_Version(lib, &major, &minor, &patch);
|
|
||||||
useCIDs = major > 2 ||
|
|
||||||
(major == 2 && (minor > 1 || (minor == 1 && patch > 7)));
|
|
||||||
}
|
|
||||||
|
|
||||||
CairoFontEngine::~CairoFontEngine() {
|
|
||||||
int i;
|
|
||||||
|
|
||||||
for (i = 0; i < cairoFontCacheSize; ++i) {
|
|
||||||
if (fontCache[i])
|
|
||||||
delete fontCache[i];
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
CairoFont *
|
|
||||||
CairoFontEngine::getFont(GfxFont *gfxFont, PDFDoc *doc, GBool printing) {
|
|
||||||
int i, j;
|
|
||||||
Ref ref;
|
|
||||||
CairoFont *font;
|
|
||||||
GfxFontType fontType;
|
|
||||||
|
|
||||||
ref = *gfxFont->getID();
|
|
||||||
|
|
||||||
for (i = 0; i < cairoFontCacheSize; ++i) {
|
|
||||||
font = fontCache[i];
|
|
||||||
if (font && font->matches(ref, printing)) {
|
|
||||||
for (j = i; j > 0; --j) {
|
|
||||||
fontCache[j] = fontCache[j-1];
|
|
||||||
}
|
|
||||||
fontCache[0] = font;
|
|
||||||
return font;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fontType = gfxFont->getType();
|
|
||||||
if (fontType == fontType3)
|
|
||||||
font = CairoType3Font::create (gfxFont, doc, this, printing);
|
|
||||||
else
|
|
||||||
font = CairoFreeTypeFont::create (gfxFont, doc->getXRef(), lib, useCIDs);
|
|
||||||
|
|
||||||
//XXX: if font is null should we still insert it into the cache?
|
|
||||||
if (fontCache[cairoFontCacheSize - 1]) {
|
|
||||||
delete fontCache[cairoFontCacheSize - 1];
|
|
||||||
}
|
|
||||||
for (j = cairoFontCacheSize - 1; j > 0; --j) {
|
|
||||||
fontCache[j] = fontCache[j-1];
|
|
||||||
}
|
|
||||||
fontCache[0] = font;
|
|
||||||
return font;
|
|
||||||
}
|
|
||||||
124
3rdparty/poppler/0.22.5/CairoFontEngine.h
vendored
124
3rdparty/poppler/0.22.5/CairoFontEngine.h
vendored
@ -1,124 +0,0 @@
|
|||||||
//========================================================================
|
|
||||||
//
|
|
||||||
// CairoFontEngine.h
|
|
||||||
//
|
|
||||||
// Copyright 2003 Glyph & Cog, LLC
|
|
||||||
// Copyright 2004 Red Hat, Inc
|
|
||||||
//
|
|
||||||
//========================================================================
|
|
||||||
|
|
||||||
//========================================================================
|
|
||||||
//
|
|
||||||
// Modified under the Poppler project - http://poppler.freedesktop.org
|
|
||||||
//
|
|
||||||
// All changes made under the Poppler project to this file are licensed
|
|
||||||
// under GPL version 2 or later
|
|
||||||
//
|
|
||||||
// Copyright (C) 2005, 2006 Kristian Høgsberg <krh@redhat.com>
|
|
||||||
// Copyright (C) 2005 Albert Astals Cid <aacid@kde.org>
|
|
||||||
// Copyright (C) 2006, 2007 Jeff Muizelaar <jeff@infidigm.net>
|
|
||||||
// Copyright (C) 2006, 2010 Carlos Garcia Campos <carlosgc@gnome.org>
|
|
||||||
// Copyright (C) 2008 Adrian Johnson <ajohnson@redneon.com>
|
|
||||||
//
|
|
||||||
// To see a description of the changes please see the Changelog file that
|
|
||||||
// came with your tarball or type make ChangeLog if you are building from git
|
|
||||||
//
|
|
||||||
//========================================================================
|
|
||||||
|
|
||||||
#ifndef CAIROFONTENGINE_H
|
|
||||||
#define CAIROFONTENGINE_H
|
|
||||||
|
|
||||||
#ifdef USE_GCC_PRAGMAS
|
|
||||||
#pragma interface
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#include "goo/gtypes.h"
|
|
||||||
#include <cairo-ft.h>
|
|
||||||
|
|
||||||
#include "GfxFont.h"
|
|
||||||
#include "PDFDoc.h"
|
|
||||||
|
|
||||||
class CairoFontEngine;
|
|
||||||
|
|
||||||
class CairoFont {
|
|
||||||
public:
|
|
||||||
CairoFont(Ref ref,
|
|
||||||
cairo_font_face_t *face,
|
|
||||||
int *codeToGID,
|
|
||||||
Guint codeToGIDLen,
|
|
||||||
GBool substitute,
|
|
||||||
GBool printing);
|
|
||||||
virtual ~CairoFont();
|
|
||||||
|
|
||||||
virtual GBool matches(Ref &other, GBool printing);
|
|
||||||
cairo_font_face_t *getFontFace(void);
|
|
||||||
unsigned long getGlyph(CharCode code, Unicode *u, int uLen);
|
|
||||||
double getSubstitutionCorrection(GfxFont *gfxFont);
|
|
||||||
|
|
||||||
GBool isSubstitute() { return substitute; }
|
|
||||||
protected:
|
|
||||||
Ref ref;
|
|
||||||
cairo_font_face_t *cairo_font_face;
|
|
||||||
|
|
||||||
int *codeToGID;
|
|
||||||
Guint codeToGIDLen;
|
|
||||||
|
|
||||||
GBool substitute;
|
|
||||||
GBool printing;
|
|
||||||
};
|
|
||||||
|
|
||||||
//------------------------------------------------------------------------
|
|
||||||
|
|
||||||
class CairoFreeTypeFont : public CairoFont {
|
|
||||||
public:
|
|
||||||
static CairoFreeTypeFont *create(GfxFont *gfxFont, XRef *xref, FT_Library lib, GBool useCIDs);
|
|
||||||
virtual ~CairoFreeTypeFont();
|
|
||||||
|
|
||||||
private:
|
|
||||||
CairoFreeTypeFont(Ref ref, cairo_font_face_t *cairo_font_face,
|
|
||||||
int *codeToGID, Guint codeToGIDLen, GBool substitute);
|
|
||||||
};
|
|
||||||
|
|
||||||
//------------------------------------------------------------------------
|
|
||||||
|
|
||||||
class CairoType3Font : public CairoFont {
|
|
||||||
public:
|
|
||||||
static CairoType3Font *create(GfxFont *gfxFont, PDFDoc *doc,
|
|
||||||
CairoFontEngine *fontEngine,
|
|
||||||
GBool printing);
|
|
||||||
virtual ~CairoType3Font();
|
|
||||||
|
|
||||||
virtual GBool matches(Ref &other, GBool printing);
|
|
||||||
|
|
||||||
private:
|
|
||||||
CairoType3Font(Ref ref, PDFDoc *doc,
|
|
||||||
cairo_font_face_t *cairo_font_face,
|
|
||||||
int *codeToGID, Guint codeToGIDLen,
|
|
||||||
GBool printing);
|
|
||||||
PDFDoc *doc;
|
|
||||||
};
|
|
||||||
|
|
||||||
//------------------------------------------------------------------------
|
|
||||||
|
|
||||||
#define cairoFontCacheSize 64
|
|
||||||
|
|
||||||
//------------------------------------------------------------------------
|
|
||||||
// CairoFontEngine
|
|
||||||
//------------------------------------------------------------------------
|
|
||||||
|
|
||||||
class CairoFontEngine {
|
|
||||||
public:
|
|
||||||
|
|
||||||
// Create a font engine.
|
|
||||||
CairoFontEngine(FT_Library libA);
|
|
||||||
~CairoFontEngine();
|
|
||||||
|
|
||||||
CairoFont *getFont(GfxFont *gfxFont, PDFDoc *doc, GBool printing);
|
|
||||||
|
|
||||||
private:
|
|
||||||
CairoFont *fontCache[cairoFontCacheSize];
|
|
||||||
FT_Library lib;
|
|
||||||
GBool useCIDs;
|
|
||||||
};
|
|
||||||
|
|
||||||
#endif
|
|
||||||
3200
3rdparty/poppler/0.22.5/CairoOutputDev.cc
vendored
3200
3rdparty/poppler/0.22.5/CairoOutputDev.cc
vendored
File diff suppressed because it is too large
Load Diff
503
3rdparty/poppler/0.22.5/CairoOutputDev.h
vendored
503
3rdparty/poppler/0.22.5/CairoOutputDev.h
vendored
@ -1,503 +0,0 @@
|
|||||||
//========================================================================
|
|
||||||
//
|
|
||||||
// CairoOutputDev.h
|
|
||||||
//
|
|
||||||
// Copyright 2003 Glyph & Cog, LLC
|
|
||||||
// Copyright 2004 Red Hat, INC
|
|
||||||
//
|
|
||||||
//========================================================================
|
|
||||||
|
|
||||||
//========================================================================
|
|
||||||
//
|
|
||||||
// Modified under the Poppler project - http://poppler.freedesktop.org
|
|
||||||
//
|
|
||||||
// All changes made under the Poppler project to this file are licensed
|
|
||||||
// under GPL version 2 or later
|
|
||||||
//
|
|
||||||
// Copyright (C) 2005-2008 Jeff Muizelaar <jeff@infidigm.net>
|
|
||||||
// Copyright (C) 2005, 2006 Kristian Høgsberg <krh@redhat.com>
|
|
||||||
// Copyright (C) 2005 Nickolay V. Shmyrev <nshmyrev@yandex.ru>
|
|
||||||
// Copyright (C) 2006-2011 Carlos Garcia Campos <carlosgc@gnome.org>
|
|
||||||
// Copyright (C) 2008, 2009, 2011, 2012 Adrian Johnson <ajohnson@redneon.com>
|
|
||||||
// Copyright (C) 2008 Michael Vrable <mvrable@cs.ucsd.edu>
|
|
||||||
// Copyright (C) 2010-2012 Thomas Freitag <Thomas.Freitag@alfa.de>
|
|
||||||
//
|
|
||||||
// To see a description of the changes please see the Changelog file that
|
|
||||||
// came with your tarball or type make ChangeLog if you are building from git
|
|
||||||
//
|
|
||||||
//========================================================================
|
|
||||||
|
|
||||||
#ifndef CAIROOUTPUTDEV_H
|
|
||||||
#define CAIROOUTPUTDEV_H
|
|
||||||
|
|
||||||
#ifdef USE_GCC_PRAGMAS
|
|
||||||
#pragma interface
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#include "goo/gtypes.h"
|
|
||||||
#include <cairo-ft.h>
|
|
||||||
#include "OutputDev.h"
|
|
||||||
#include "TextOutputDev.h"
|
|
||||||
#include "GfxState.h"
|
|
||||||
|
|
||||||
class PDFDoc;
|
|
||||||
class GfxState;
|
|
||||||
class GfxPath;
|
|
||||||
class Gfx8BitFont;
|
|
||||||
struct GfxRGB;
|
|
||||||
class CairoFontEngine;
|
|
||||||
class CairoFont;
|
|
||||||
|
|
||||||
//------------------------------------------------------------------------
|
|
||||||
|
|
||||||
//------------------------------------------------------------------------
|
|
||||||
// CairoImage
|
|
||||||
//------------------------------------------------------------------------
|
|
||||||
class CairoImage {
|
|
||||||
public:
|
|
||||||
// Constructor.
|
|
||||||
CairoImage (double x1, double y1, double x2, double y2);
|
|
||||||
|
|
||||||
// Destructor.
|
|
||||||
~CairoImage ();
|
|
||||||
|
|
||||||
// Set the image cairo surface
|
|
||||||
void setImage (cairo_surface_t *image);
|
|
||||||
|
|
||||||
// Get the image cairo surface
|
|
||||||
cairo_surface_t *getImage () const { return image; }
|
|
||||||
|
|
||||||
// Get the image rectangle
|
|
||||||
void getRect (double *xa1, double *ya1, double *xa2, double *ya2)
|
|
||||||
{ *xa1 = x1; *ya1 = y1; *xa2 = x2; *ya2 = y2; }
|
|
||||||
|
|
||||||
private:
|
|
||||||
cairo_surface_t *image; // image cairo surface
|
|
||||||
double x1, y1; // upper left corner
|
|
||||||
double x2, y2; // lower right corner
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
//------------------------------------------------------------------------
|
|
||||||
// CairoOutputDev
|
|
||||||
//------------------------------------------------------------------------
|
|
||||||
|
|
||||||
class CairoOutputDev: public OutputDev {
|
|
||||||
public:
|
|
||||||
|
|
||||||
// Constructor.
|
|
||||||
CairoOutputDev();
|
|
||||||
|
|
||||||
// Destructor.
|
|
||||||
virtual ~CairoOutputDev();
|
|
||||||
|
|
||||||
//----- get info about output device
|
|
||||||
|
|
||||||
// Does this device use upside-down coordinates?
|
|
||||||
// (Upside-down means (0,0) is the top left corner of the page.)
|
|
||||||
virtual GBool upsideDown() { return gTrue; }
|
|
||||||
|
|
||||||
// Does this device use drawChar() or drawString()?
|
|
||||||
virtual GBool useDrawChar() { return gTrue; }
|
|
||||||
|
|
||||||
// Does this device use tilingPatternFill()? If this returns false,
|
|
||||||
// tiling pattern fills will be reduced to a series of other drawing
|
|
||||||
// operations.
|
|
||||||
virtual GBool useTilingPatternFill() { return gTrue; }
|
|
||||||
|
|
||||||
// Does this device use functionShadedFill(), axialShadedFill(), and
|
|
||||||
// radialShadedFill()? If this returns false, these shaded fills
|
|
||||||
// will be reduced to a series of other drawing operations.
|
|
||||||
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 12, 0)
|
|
||||||
virtual GBool useShadedFills(int type) { return type <= 7; }
|
|
||||||
#else
|
|
||||||
virtual GBool useShadedFills(int type) { return type < 4; }
|
|
||||||
#endif
|
|
||||||
|
|
||||||
// Does this device use FillColorStop()?
|
|
||||||
virtual GBool useFillColorStop() { return gTrue; }
|
|
||||||
|
|
||||||
// Does this device use beginType3Char/endType3Char? Otherwise,
|
|
||||||
// text in Type 3 fonts will be drawn with drawChar/drawString.
|
|
||||||
virtual GBool interpretType3Chars() { return gFalse; }
|
|
||||||
|
|
||||||
//----- initialization and control
|
|
||||||
|
|
||||||
// Start a page.
|
|
||||||
virtual void startPage(int pageNum, GfxState *state);
|
|
||||||
|
|
||||||
// End a page.
|
|
||||||
virtual void endPage();
|
|
||||||
|
|
||||||
//----- save/restore graphics state
|
|
||||||
virtual void saveState(GfxState *state);
|
|
||||||
virtual void restoreState(GfxState *state);
|
|
||||||
|
|
||||||
//----- update graphics state
|
|
||||||
virtual void updateAll(GfxState *state);
|
|
||||||
virtual void setDefaultCTM(double *ctm);
|
|
||||||
virtual void updateCTM(GfxState *state, double m11, double m12,
|
|
||||||
double m21, double m22, double m31, double m32);
|
|
||||||
virtual void updateLineDash(GfxState *state);
|
|
||||||
virtual void updateFlatness(GfxState *state);
|
|
||||||
virtual void updateLineJoin(GfxState *state);
|
|
||||||
virtual void updateLineCap(GfxState *state);
|
|
||||||
virtual void updateMiterLimit(GfxState *state);
|
|
||||||
virtual void updateLineWidth(GfxState *state);
|
|
||||||
virtual void updateFillColor(GfxState *state);
|
|
||||||
virtual void updateStrokeColor(GfxState *state);
|
|
||||||
virtual void updateFillOpacity(GfxState *state);
|
|
||||||
virtual void updateStrokeOpacity(GfxState *state);
|
|
||||||
virtual void updateFillColorStop(GfxState *state, double offset);
|
|
||||||
virtual void updateBlendMode(GfxState *state);
|
|
||||||
|
|
||||||
//----- update text state
|
|
||||||
virtual void updateFont(GfxState *state);
|
|
||||||
|
|
||||||
//----- path painting
|
|
||||||
virtual void stroke(GfxState *state);
|
|
||||||
virtual void fill(GfxState *state);
|
|
||||||
virtual void eoFill(GfxState *state);
|
|
||||||
virtual void clipToStrokePath(GfxState *state);
|
|
||||||
virtual GBool tilingPatternFill(GfxState *state, Gfx *gfx, Catalog *cat, Object *str,
|
|
||||||
double *pmat, int paintType, int tilingType, Dict *resDict,
|
|
||||||
double *mat, double *bbox,
|
|
||||||
int x0, int y0, int x1, int y1,
|
|
||||||
double xStep, double yStep);
|
|
||||||
virtual GBool axialShadedFill(GfxState *state, GfxAxialShading *shading, double tMin, double tMax);
|
|
||||||
virtual GBool axialShadedSupportExtend(GfxState *state, GfxAxialShading *shading);
|
|
||||||
virtual GBool radialShadedFill(GfxState *state, GfxRadialShading *shading, double sMin, double sMax);
|
|
||||||
virtual GBool radialShadedSupportExtend(GfxState *state, GfxRadialShading *shading);
|
|
||||||
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 12, 0)
|
|
||||||
virtual GBool gouraudTriangleShadedFill(GfxState *state, GfxGouraudTriangleShading *shading);
|
|
||||||
virtual GBool patchMeshShadedFill(GfxState *state, GfxPatchMeshShading *shading);
|
|
||||||
#endif
|
|
||||||
|
|
||||||
//----- path clipping
|
|
||||||
virtual void clip(GfxState *state);
|
|
||||||
virtual void eoClip(GfxState *state);
|
|
||||||
|
|
||||||
//----- text drawing
|
|
||||||
void beginString(GfxState *state, GooString *s);
|
|
||||||
void endString(GfxState *state);
|
|
||||||
void drawChar(GfxState *state, double x, double y,
|
|
||||||
double dx, double dy,
|
|
||||||
double originX, double originY,
|
|
||||||
CharCode code, int nBytes, Unicode *u, int uLen);
|
|
||||||
void beginActualText(GfxState *state, GooString *text);
|
|
||||||
void endActualText(GfxState *state);
|
|
||||||
|
|
||||||
virtual GBool beginType3Char(GfxState *state, double x, double y,
|
|
||||||
double dx, double dy,
|
|
||||||
CharCode code, Unicode *u, int uLen);
|
|
||||||
virtual void endType3Char(GfxState *state);
|
|
||||||
virtual void beginTextObject(GfxState *state);
|
|
||||||
virtual GBool deviceHasTextClip(GfxState *state) { return textClipPath; }
|
|
||||||
virtual void endTextObject(GfxState *state);
|
|
||||||
|
|
||||||
//----- image drawing
|
|
||||||
virtual void drawImageMask(GfxState *state, Object *ref, Stream *str,
|
|
||||||
int width, int height, GBool invert, GBool interpolate,
|
|
||||||
GBool inlineImg);
|
|
||||||
virtual void setSoftMaskFromImageMask(GfxState *state,
|
|
||||||
Object *ref, Stream *str,
|
|
||||||
int width, int height, GBool invert,
|
|
||||||
GBool inlineImg, double *baseMatrix);
|
|
||||||
virtual void unsetSoftMaskFromImageMask(GfxState *state, double *baseMatrix);
|
|
||||||
void drawImageMaskPrescaled(GfxState *state, Object *ref, Stream *str,
|
|
||||||
int width, int height, GBool invert, GBool interpolate,
|
|
||||||
GBool inlineImg);
|
|
||||||
void drawImageMaskRegular(GfxState *state, Object *ref, Stream *str,
|
|
||||||
int width, int height, GBool invert, GBool interpolate,
|
|
||||||
GBool inlineImg);
|
|
||||||
|
|
||||||
virtual void drawImage(GfxState *state, Object *ref, Stream *str,
|
|
||||||
int width, int height, GfxImageColorMap *colorMap,
|
|
||||||
GBool interpolate, int *maskColors, GBool inlineImg);
|
|
||||||
virtual void drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
|
|
||||||
int width, int height,
|
|
||||||
GfxImageColorMap *colorMap,
|
|
||||||
GBool interpolate,
|
|
||||||
Stream *maskStr,
|
|
||||||
int maskWidth, int maskHeight,
|
|
||||||
GfxImageColorMap *maskColorMap,
|
|
||||||
GBool maskInterpolate);
|
|
||||||
|
|
||||||
virtual void drawMaskedImage(GfxState *state, Object *ref, Stream *str,
|
|
||||||
int width, int height,
|
|
||||||
GfxImageColorMap *colorMap,
|
|
||||||
GBool interpolate,
|
|
||||||
Stream *maskStr,
|
|
||||||
int maskWidth, int maskHeight,
|
|
||||||
GBool maskInvert, GBool maskInterpolate);
|
|
||||||
|
|
||||||
//----- transparency groups and soft masks
|
|
||||||
virtual void beginTransparencyGroup(GfxState * /*state*/, double * /*bbox*/,
|
|
||||||
GfxColorSpace * /*blendingColorSpace*/,
|
|
||||||
GBool /*isolated*/, GBool /*knockout*/,
|
|
||||||
GBool /*forSoftMask*/);
|
|
||||||
virtual void endTransparencyGroup(GfxState * /*state*/);
|
|
||||||
void popTransparencyGroup();
|
|
||||||
virtual void paintTransparencyGroup(GfxState * /*state*/, double * /*bbox*/);
|
|
||||||
virtual void setSoftMask(GfxState * /*state*/, double * /*bbox*/, GBool /*alpha*/,
|
|
||||||
Function * /*transferFunc*/, GfxColor * /*backdropColor*/);
|
|
||||||
virtual void clearSoftMask(GfxState * /*state*/);
|
|
||||||
|
|
||||||
//----- Type 3 font operators
|
|
||||||
virtual void type3D0(GfxState *state, double wx, double wy);
|
|
||||||
virtual void type3D1(GfxState *state, double wx, double wy,
|
|
||||||
double llx, double lly, double urx, double ury);
|
|
||||||
|
|
||||||
//----- special access
|
|
||||||
|
|
||||||
// Called to indicate that a new PDF document has been loaded.
|
|
||||||
void startDoc(PDFDoc *docA, CairoFontEngine *fontEngine = NULL);
|
|
||||||
|
|
||||||
GBool isReverseVideo() { return gFalse; }
|
|
||||||
|
|
||||||
void setCairo (cairo_t *cr);
|
|
||||||
void setTextPage (TextPage *text);
|
|
||||||
void setPrinting (GBool printing) { this->printing = printing; needFontUpdate = gTrue; }
|
|
||||||
|
|
||||||
void setInType3Char(GBool inType3Char) { this->inType3Char = inType3Char; }
|
|
||||||
void getType3GlyphWidth (double *wx, double *wy) { *wx = t3_glyph_wx; *wy = t3_glyph_wy; }
|
|
||||||
GBool hasType3GlyphBBox () { return t3_glyph_has_bbox; }
|
|
||||||
double *getType3GlyphBBox () { return t3_glyph_bbox; }
|
|
||||||
|
|
||||||
protected:
|
|
||||||
void doPath(cairo_t *cairo, GfxState *state, GfxPath *path);
|
|
||||||
cairo_surface_t *downscaleSurface(cairo_surface_t *orig_surface);
|
|
||||||
void getScaledSize(int orig_width, int orig_height,
|
|
||||||
int *scaledWidth, int *scaledHeight);
|
|
||||||
cairo_filter_t getFilterForSurface(cairo_surface_t *image,
|
|
||||||
GBool interpolate);
|
|
||||||
GBool getStreamData (Stream *str, char **buffer, int *length);
|
|
||||||
void setMimeData(Stream *str, Object *ref, cairo_surface_t *image);
|
|
||||||
void fillToStrokePathClip(GfxState *state);
|
|
||||||
void alignStrokeCoords(GfxSubpath *subpath, int i, double *x, double *y);
|
|
||||||
|
|
||||||
GfxRGB fill_color, stroke_color;
|
|
||||||
cairo_pattern_t *fill_pattern, *stroke_pattern;
|
|
||||||
double fill_opacity;
|
|
||||||
double stroke_opacity;
|
|
||||||
GBool stroke_adjust;
|
|
||||||
GBool adjusted_stroke_width;
|
|
||||||
GBool align_stroke_coords;
|
|
||||||
CairoFont *currentFont;
|
|
||||||
|
|
||||||
struct StrokePathClip {
|
|
||||||
GfxPath *path;
|
|
||||||
cairo_matrix_t ctm;
|
|
||||||
double line_width;
|
|
||||||
double *dashes;
|
|
||||||
int dash_count;
|
|
||||||
double dash_offset;
|
|
||||||
cairo_line_cap_t cap;
|
|
||||||
cairo_line_join_t join;
|
|
||||||
double miter;
|
|
||||||
} *strokePathClip;
|
|
||||||
|
|
||||||
PDFDoc *doc; // the current document
|
|
||||||
|
|
||||||
static FT_Library ft_lib;
|
|
||||||
static GBool ft_lib_initialized;
|
|
||||||
|
|
||||||
CairoFontEngine *fontEngine;
|
|
||||||
GBool fontEngine_owner;
|
|
||||||
|
|
||||||
cairo_t *cairo;
|
|
||||||
cairo_matrix_t orig_matrix;
|
|
||||||
GBool needFontUpdate; // set when the font needs to be updated
|
|
||||||
GBool printing;
|
|
||||||
GBool use_show_text_glyphs;
|
|
||||||
cairo_surface_t *surface;
|
|
||||||
cairo_glyph_t *glyphs;
|
|
||||||
int glyphCount;
|
|
||||||
cairo_text_cluster_t *clusters;
|
|
||||||
int clusterCount;
|
|
||||||
char *utf8;
|
|
||||||
int utf8Count;
|
|
||||||
int utf8Max;
|
|
||||||
cairo_path_t *textClipPath;
|
|
||||||
GBool inType3Char; // inside a Type 3 CharProc
|
|
||||||
double t3_glyph_wx, t3_glyph_wy;
|
|
||||||
GBool t3_glyph_has_bbox;
|
|
||||||
double t3_glyph_bbox[4];
|
|
||||||
|
|
||||||
GBool prescaleImages;
|
|
||||||
|
|
||||||
TextPage *text; // text for the current page
|
|
||||||
ActualText *actualText;
|
|
||||||
|
|
||||||
cairo_pattern_t *group;
|
|
||||||
cairo_pattern_t *shape;
|
|
||||||
cairo_pattern_t *mask;
|
|
||||||
cairo_matrix_t mask_matrix;
|
|
||||||
cairo_surface_t *cairo_shape_surface;
|
|
||||||
cairo_t *cairo_shape;
|
|
||||||
int knockoutCount;
|
|
||||||
struct ColorSpaceStack {
|
|
||||||
GBool knockout;
|
|
||||||
GfxColorSpace *cs;
|
|
||||||
cairo_matrix_t group_matrix;
|
|
||||||
struct ColorSpaceStack *next;
|
|
||||||
} * groupColorSpaceStack;
|
|
||||||
|
|
||||||
struct MaskStack {
|
|
||||||
cairo_pattern_t *mask;
|
|
||||||
cairo_matrix_t mask_matrix;
|
|
||||||
struct MaskStack *next;
|
|
||||||
} *maskStack;
|
|
||||||
|
|
||||||
};
|
|
||||||
|
|
||||||
//------------------------------------------------------------------------
|
|
||||||
// CairoImageOutputDev
|
|
||||||
//------------------------------------------------------------------------
|
|
||||||
|
|
||||||
//XXX: this should ideally not inherit from CairoOutputDev but use it instead perhaps
|
|
||||||
class CairoImageOutputDev: public CairoOutputDev {
|
|
||||||
public:
|
|
||||||
|
|
||||||
// Constructor.
|
|
||||||
CairoImageOutputDev();
|
|
||||||
|
|
||||||
// Destructor.
|
|
||||||
virtual ~CairoImageOutputDev();
|
|
||||||
|
|
||||||
//----- get info about output device
|
|
||||||
|
|
||||||
// Does this device use upside-down coordinates?
|
|
||||||
// (Upside-down means (0,0) is the top left corner of the page.)
|
|
||||||
virtual GBool upsideDown() { return gTrue; }
|
|
||||||
|
|
||||||
// Does this device use drawChar() or drawString()?
|
|
||||||
virtual GBool useDrawChar() { return gFalse; }
|
|
||||||
|
|
||||||
// Does this device use tilingPatternFill()? If this returns false,
|
|
||||||
// tiling pattern fills will be reduced to a series of other drawing
|
|
||||||
// operations.
|
|
||||||
virtual GBool useTilingPatternFill() { return gTrue; }
|
|
||||||
|
|
||||||
// Does this device use functionShadedFill(), axialShadedFill(), and
|
|
||||||
// radialShadedFill()? If this returns false, these shaded fills
|
|
||||||
// will be reduced to a series of other drawing operations.
|
|
||||||
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 11, 2)
|
|
||||||
virtual GBool useShadedFills(int type) { return type <= 7; }
|
|
||||||
#else
|
|
||||||
virtual GBool useShadedFills(int type) { return type < 4; }
|
|
||||||
#endif
|
|
||||||
|
|
||||||
// Does this device use FillColorStop()?
|
|
||||||
virtual GBool useFillColorStop() { return gFalse; }
|
|
||||||
|
|
||||||
// Does this device use beginType3Char/endType3Char? Otherwise,
|
|
||||||
// text in Type 3 fonts will be drawn with drawChar/drawString.
|
|
||||||
virtual GBool interpretType3Chars() { return gFalse; }
|
|
||||||
|
|
||||||
// Does this device need non-text content?
|
|
||||||
virtual GBool needNonText() { return gTrue; }
|
|
||||||
|
|
||||||
//----- save/restore graphics state
|
|
||||||
virtual void saveState(GfxState *state) { }
|
|
||||||
virtual void restoreState(GfxState *state) { }
|
|
||||||
|
|
||||||
//----- update graphics state
|
|
||||||
virtual void updateAll(GfxState *state) { }
|
|
||||||
virtual void setDefaultCTM(double *ctm) { }
|
|
||||||
virtual void updateCTM(GfxState *state, double m11, double m12,
|
|
||||||
double m21, double m22, double m31, double m32) { }
|
|
||||||
virtual void updateLineDash(GfxState *state) { }
|
|
||||||
virtual void updateFlatness(GfxState *state) { }
|
|
||||||
virtual void updateLineJoin(GfxState *state) { }
|
|
||||||
virtual void updateLineCap(GfxState *state) { }
|
|
||||||
virtual void updateMiterLimit(GfxState *state) { }
|
|
||||||
virtual void updateLineWidth(GfxState *state) { }
|
|
||||||
virtual void updateFillColor(GfxState *state) { }
|
|
||||||
virtual void updateStrokeColor(GfxState *state) { }
|
|
||||||
virtual void updateFillOpacity(GfxState *state) { }
|
|
||||||
virtual void updateStrokeOpacity(GfxState *state) { }
|
|
||||||
virtual void updateBlendMode(GfxState *state) { }
|
|
||||||
|
|
||||||
//----- update text state
|
|
||||||
virtual void updateFont(GfxState *state) { }
|
|
||||||
|
|
||||||
//----- path painting
|
|
||||||
virtual void stroke(GfxState *state) { }
|
|
||||||
virtual void fill(GfxState *state) { }
|
|
||||||
virtual void eoFill(GfxState *state) { }
|
|
||||||
virtual void clipToStrokePath(GfxState *state) { }
|
|
||||||
virtual GBool tilingPatternFill(GfxState *state, Gfx *gfx, Catalog *cat, Object *str,
|
|
||||||
double *pmat, int paintType, int tilingType, Dict *resDict,
|
|
||||||
double *mat, double *bbox,
|
|
||||||
int x0, int y0, int x1, int y1,
|
|
||||||
double xStep, double yStep) { return gTrue; }
|
|
||||||
virtual GBool axialShadedFill(GfxState *state,
|
|
||||||
GfxAxialShading *shading,
|
|
||||||
double tMin, double tMax) { return gTrue; }
|
|
||||||
virtual GBool radialShadedFill(GfxState *state,
|
|
||||||
GfxRadialShading *shading,
|
|
||||||
double sMin, double sMax) { return gTrue; }
|
|
||||||
|
|
||||||
//----- path clipping
|
|
||||||
virtual void clip(GfxState *state) { }
|
|
||||||
virtual void eoClip(GfxState *state) { }
|
|
||||||
|
|
||||||
//----- image drawing
|
|
||||||
virtual void drawImageMask(GfxState *state, Object *ref, Stream *str,
|
|
||||||
int width, int height, GBool invert,
|
|
||||||
GBool interpolate, GBool inlineImg);
|
|
||||||
virtual void drawImage(GfxState *state, Object *ref, Stream *str,
|
|
||||||
int width, int height, GfxImageColorMap *colorMap,
|
|
||||||
GBool interpolate, int *maskColors, GBool inlineImg);
|
|
||||||
virtual void drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
|
|
||||||
int width, int height,
|
|
||||||
GfxImageColorMap *colorMap,
|
|
||||||
GBool interpolate,
|
|
||||||
Stream *maskStr,
|
|
||||||
int maskWidth, int maskHeight,
|
|
||||||
GfxImageColorMap *maskColorMap,
|
|
||||||
GBool maskInterpolate);
|
|
||||||
virtual void drawMaskedImage(GfxState *state, Object *ref, Stream *str,
|
|
||||||
int width, int height,
|
|
||||||
GfxImageColorMap *colorMap,
|
|
||||||
GBool interpolate,
|
|
||||||
Stream *maskStr,
|
|
||||||
int maskWidth, int maskHeight,
|
|
||||||
GBool maskInvert, GBool maskInterpolate);
|
|
||||||
virtual void setSoftMaskFromImageMask(GfxState *state, Object *ref, Stream *str,
|
|
||||||
int width, int height, GBool invert,
|
|
||||||
GBool inlineImg, double *baseMatrix);
|
|
||||||
virtual void unsetSoftMaskFromImageMask(GfxState *state, double *baseMatrix) {}
|
|
||||||
|
|
||||||
|
|
||||||
//----- transparency groups and soft masks
|
|
||||||
virtual void beginTransparencyGroup(GfxState * /*state*/, double * /*bbox*/,
|
|
||||||
GfxColorSpace * /*blendingColorSpace*/,
|
|
||||||
GBool /*isolated*/, GBool /*knockout*/,
|
|
||||||
GBool /*forSoftMask*/) {}
|
|
||||||
virtual void endTransparencyGroup(GfxState * /*state*/) {}
|
|
||||||
virtual void paintTransparencyGroup(GfxState * /*state*/, double * /*bbox*/) {}
|
|
||||||
virtual void setSoftMask(GfxState * /*state*/, double * /*bbox*/, GBool /*alpha*/,
|
|
||||||
Function * /*transferFunc*/, GfxColor * /*backdropColor*/) {}
|
|
||||||
virtual void clearSoftMask(GfxState * /*state*/) {}
|
|
||||||
|
|
||||||
//----- Image list
|
|
||||||
// By default images are not rendred
|
|
||||||
void setImageDrawDecideCbk(GBool (*cbk)(int img_id, void *data),
|
|
||||||
void *data) { imgDrawCbk = cbk; imgDrawCbkData = data; }
|
|
||||||
// Iterate through list of images.
|
|
||||||
int getNumImages() const { return numImages; }
|
|
||||||
CairoImage *getImage(int i) const { return images[i]; }
|
|
||||||
|
|
||||||
private:
|
|
||||||
void saveImage(CairoImage *image);
|
|
||||||
|
|
||||||
CairoImage **images;
|
|
||||||
int numImages;
|
|
||||||
int size;
|
|
||||||
GBool (*imgDrawCbk)(int img_id, void *data);
|
|
||||||
void *imgDrawCbkData;
|
|
||||||
};
|
|
||||||
|
|
||||||
#endif
|
|
||||||
377
3rdparty/poppler/0.22.5/CairoRescaleBox.cc
vendored
377
3rdparty/poppler/0.22.5/CairoRescaleBox.cc
vendored
@ -1,377 +0,0 @@
|
|||||||
/* -*- Mode: c; c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t; -*- */
|
|
||||||
/*
|
|
||||||
* Copyright © 2009 Mozilla Corporation
|
|
||||||
*
|
|
||||||
* Permission to use, copy, modify, distribute, and sell this software and its
|
|
||||||
* documentation for any purpose is hereby granted without fee, provided that
|
|
||||||
* the above copyright notice appear in all copies and that both that
|
|
||||||
* copyright notice and this permission notice appear in supporting
|
|
||||||
* documentation, and that the name of Mozilla Corporation not be used in
|
|
||||||
* advertising or publicity pertaining to distribution of the software without
|
|
||||||
* specific, written prior permission. Mozilla Corporation makes no
|
|
||||||
* representations about the suitability of this software for any purpose. It
|
|
||||||
* is provided "as is" without express or implied warranty.
|
|
||||||
*
|
|
||||||
* MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|
||||||
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT
|
|
||||||
* SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
|
||||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
|
|
||||||
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
|
||||||
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
|
|
||||||
* OF THIS SOFTWARE.
|
|
||||||
*
|
|
||||||
* Author: Jeff Muizelaar, Mozilla Corp.
|
|
||||||
*/
|
|
||||||
|
|
||||||
//========================================================================
|
|
||||||
//
|
|
||||||
// Modified under the Poppler project - http://poppler.freedesktop.org
|
|
||||||
//
|
|
||||||
// All changes made under the Poppler project to this file are licensed
|
|
||||||
// under GPL version 2 or later
|
|
||||||
//
|
|
||||||
// Copyright (C) 2012 Hib Eris <hib@hiberis.nl>
|
|
||||||
// Copyright (C) 2012 Adrian Johnson <ajohnson@redneon.com>
|
|
||||||
//
|
|
||||||
// To see a description of the changes please see the Changelog file that
|
|
||||||
// came with your tarball or type make ChangeLog if you are building from git
|
|
||||||
//
|
|
||||||
//========================================================================
|
|
||||||
|
|
||||||
|
|
||||||
/* This implements a box filter that supports non-integer box sizes */
|
|
||||||
|
|
||||||
#ifdef HAVE_CONFIG_H
|
|
||||||
#include <config.h>
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#include <stdint.h>
|
|
||||||
#include <stdio.h>
|
|
||||||
#include <assert.h>
|
|
||||||
#include <stdlib.h>
|
|
||||||
#include <math.h>
|
|
||||||
#include "goo/gmem.h"
|
|
||||||
#include "CairoRescaleBox.h"
|
|
||||||
|
|
||||||
|
|
||||||
/* we work in fixed point where 1. == 1 << 24 */
|
|
||||||
#define FIXED_SHIFT 24
|
|
||||||
|
|
||||||
|
|
||||||
static void downsample_row_box_filter (
|
|
||||||
int start, int width,
|
|
||||||
uint32_t *src, uint32_t *dest,
|
|
||||||
int coverage[], int pixel_coverage)
|
|
||||||
{
|
|
||||||
/* we need an array of the pixel contribution of each destination pixel on the boundaries.
|
|
||||||
* we invert the value to get the value on the other size of the box */
|
|
||||||
/*
|
|
||||||
|
|
||||||
value = a * contribution * 1/box_size
|
|
||||||
value += a * 1/box_size
|
|
||||||
value += a * 1/box_size
|
|
||||||
value += a * 1/box_size
|
|
||||||
value += a * (1 - contribution) * 1/box_size
|
|
||||||
a * (1/box_size - contribution * 1/box_size)
|
|
||||||
|
|
||||||
box size is constant
|
|
||||||
|
|
||||||
|
|
||||||
value = a * contribtion_a * 1/box_size + b * contribution_b * 1/box_size
|
|
||||||
contribution_b = (1 - contribution_a)
|
|
||||||
= (1 - contribution_a_next)
|
|
||||||
*/
|
|
||||||
|
|
||||||
/* box size = ceil(src_width/dest_width) */
|
|
||||||
int x = 0;
|
|
||||||
|
|
||||||
/* skip to start */
|
|
||||||
/* XXX: it might be possible to do this directly instead of iteratively, however
|
|
||||||
* the iterative solution is simple */
|
|
||||||
while (x < start)
|
|
||||||
{
|
|
||||||
int box = 1 << FIXED_SHIFT;
|
|
||||||
int start_coverage = coverage[x];
|
|
||||||
box -= start_coverage;
|
|
||||||
src++;
|
|
||||||
while (box >= pixel_coverage)
|
|
||||||
{
|
|
||||||
src++;
|
|
||||||
box -= pixel_coverage;
|
|
||||||
}
|
|
||||||
x++;
|
|
||||||
}
|
|
||||||
|
|
||||||
while (x < start + width)
|
|
||||||
{
|
|
||||||
uint32_t a = 0;
|
|
||||||
uint32_t r = 0;
|
|
||||||
uint32_t g = 0;
|
|
||||||
uint32_t b = 0;
|
|
||||||
int box = 1 << FIXED_SHIFT;
|
|
||||||
int start_coverage = coverage[x];
|
|
||||||
|
|
||||||
a = ((*src >> 24) & 0xff) * start_coverage;
|
|
||||||
r = ((*src >> 16) & 0xff) * start_coverage;
|
|
||||||
g = ((*src >> 8) & 0xff) * start_coverage;
|
|
||||||
b = ((*src >> 0) & 0xff) * start_coverage;
|
|
||||||
src++;
|
|
||||||
x++;
|
|
||||||
box -= start_coverage;
|
|
||||||
|
|
||||||
while (box >= pixel_coverage)
|
|
||||||
{
|
|
||||||
a += ((*src >> 24) & 0xff) * pixel_coverage;
|
|
||||||
r += ((*src >> 16) & 0xff) * pixel_coverage;
|
|
||||||
g += ((*src >> 8) & 0xff) * pixel_coverage;
|
|
||||||
b += ((*src >> 0) & 0xff) * pixel_coverage;
|
|
||||||
src++;
|
|
||||||
|
|
||||||
box -= pixel_coverage;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* multiply by whatever is leftover
|
|
||||||
* this ensures that we don't bias down.
|
|
||||||
* i.e. start_coverage + n*pixel_coverage + box == 1 << 24 */
|
|
||||||
if (box > 0)
|
|
||||||
{
|
|
||||||
a += ((*src >> 24) & 0xff) * box;
|
|
||||||
r += ((*src >> 16) & 0xff) * box;
|
|
||||||
g += ((*src >> 8) & 0xff) * box;
|
|
||||||
b += ((*src >> 0) & 0xff) * box;
|
|
||||||
}
|
|
||||||
|
|
||||||
a >>= FIXED_SHIFT;
|
|
||||||
r >>= FIXED_SHIFT;
|
|
||||||
g >>= FIXED_SHIFT;
|
|
||||||
b >>= FIXED_SHIFT;
|
|
||||||
|
|
||||||
*dest = (a << 24) | (r << 16) | (g << 8) | b;
|
|
||||||
dest++;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void downsample_columns_box_filter (
|
|
||||||
int n,
|
|
||||||
int start_coverage,
|
|
||||||
int pixel_coverage,
|
|
||||||
uint32_t *src, uint32_t *dest)
|
|
||||||
{
|
|
||||||
int stride = n;
|
|
||||||
while (n--) {
|
|
||||||
uint32_t a = 0;
|
|
||||||
uint32_t r = 0;
|
|
||||||
uint32_t g = 0;
|
|
||||||
uint32_t b = 0;
|
|
||||||
uint32_t *column_src = src;
|
|
||||||
int box = 1 << FIXED_SHIFT;
|
|
||||||
|
|
||||||
a = ((*column_src >> 24) & 0xff) * start_coverage;
|
|
||||||
r = ((*column_src >> 16) & 0xff) * start_coverage;
|
|
||||||
g = ((*column_src >> 8) & 0xff) * start_coverage;
|
|
||||||
b = ((*column_src >> 0) & 0xff) * start_coverage;
|
|
||||||
column_src += stride;
|
|
||||||
box -= start_coverage;
|
|
||||||
|
|
||||||
while (box >= pixel_coverage)
|
|
||||||
{
|
|
||||||
a += ((*column_src >> 24) & 0xff) * pixel_coverage;
|
|
||||||
r += ((*column_src >> 16) & 0xff) * pixel_coverage;
|
|
||||||
g += ((*column_src >> 8) & 0xff) * pixel_coverage;
|
|
||||||
b += ((*column_src >> 0) & 0xff) * pixel_coverage;
|
|
||||||
column_src += stride;
|
|
||||||
box -= pixel_coverage;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (box > 0) {
|
|
||||||
a += ((*column_src >> 24) & 0xff) * box;
|
|
||||||
r += ((*column_src >> 16) & 0xff) * box;
|
|
||||||
g += ((*column_src >> 8) & 0xff) * box;
|
|
||||||
b += ((*column_src >> 0) & 0xff) * box;
|
|
||||||
}
|
|
||||||
|
|
||||||
a >>= FIXED_SHIFT;
|
|
||||||
r >>= FIXED_SHIFT;
|
|
||||||
g >>= FIXED_SHIFT;
|
|
||||||
b >>= FIXED_SHIFT;
|
|
||||||
|
|
||||||
*dest = (a << 24) | (r << 16) | (g << 8) | b;
|
|
||||||
dest++;
|
|
||||||
src++;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static int compute_coverage (int coverage[], int src_length, int dest_length)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
/* num = src_length/dest_length
|
|
||||||
total = sum(pixel) / num
|
|
||||||
|
|
||||||
pixel * 1/num == pixel * dest_length / src_length
|
|
||||||
*/
|
|
||||||
/* the average contribution of each source pixel */
|
|
||||||
int ratio = ((1 << 24)*(long long int)dest_length)/src_length;
|
|
||||||
/* because ((1 << 24)*(long long int)dest_length) won't always be divisible by src_length
|
|
||||||
* we'll need someplace to put the other bits.
|
|
||||||
*
|
|
||||||
* We want to ensure a + n*ratio < 1<<24
|
|
||||||
*
|
|
||||||
* 1<<24
|
|
||||||
* */
|
|
||||||
|
|
||||||
double scale = (double)src_length/dest_length;
|
|
||||||
|
|
||||||
/* for each destination pixel compute the coverage of the left most pixel included in the box */
|
|
||||||
/* I have a proof of this, which this margin is too narrow to contain */
|
|
||||||
for (i=0; i<dest_length; i++)
|
|
||||||
{
|
|
||||||
float left_side = i*scale;
|
|
||||||
float right_side = (i+1)*scale;
|
|
||||||
float right_fract = right_side - floor (right_side);
|
|
||||||
float left_fract = ceil (left_side) - left_side;
|
|
||||||
int overage;
|
|
||||||
/* find out how many source pixels will be used to fill the box */
|
|
||||||
int count = floor (right_side) - ceil (left_side);
|
|
||||||
/* what's the maximum value this expression can become?
|
|
||||||
floor((i+1)*scale) - ceil(i*scale)
|
|
||||||
|
|
||||||
(i+1)*scale - i*scale == scale
|
|
||||||
|
|
||||||
since floor((i+1)*scale) <= (i+1)*scale
|
|
||||||
and ceil(i*scale) >= i*scale
|
|
||||||
|
|
||||||
floor((i+1)*scale) - ceil(i*scale) <= scale
|
|
||||||
|
|
||||||
further since: floor((i+1)*scale) - ceil(i*scale) is an integer
|
|
||||||
|
|
||||||
therefore:
|
|
||||||
floor((i+1)*scale) - ceil(i*scale) <= floor(scale)
|
|
||||||
*/
|
|
||||||
|
|
||||||
if (left_fract == 0.)
|
|
||||||
count--;
|
|
||||||
|
|
||||||
/* compute how much the right-most pixel contributes */
|
|
||||||
overage = ratio*(right_fract);
|
|
||||||
|
|
||||||
/* the remainder is the the amount that the left-most pixel
|
|
||||||
* contributes */
|
|
||||||
coverage[i] = (1<<24) - (count * ratio + overage);
|
|
||||||
}
|
|
||||||
|
|
||||||
return ratio;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
GBool CairoRescaleBox::downScaleImage(unsigned orig_width, unsigned orig_height,
|
|
||||||
signed scaled_width, signed scaled_height,
|
|
||||||
unsigned short int start_column, unsigned short int start_row,
|
|
||||||
unsigned short int width, unsigned short int height,
|
|
||||||
cairo_surface_t *dest_surface) {
|
|
||||||
int pixel_coverage_x, pixel_coverage_y;
|
|
||||||
int dest_y;
|
|
||||||
int src_y = 0;
|
|
||||||
uint32_t *scanline;
|
|
||||||
int *x_coverage = NULL;
|
|
||||||
int *y_coverage = NULL;
|
|
||||||
uint32_t *temp_buf = NULL;
|
|
||||||
GBool retval = gFalse;
|
|
||||||
unsigned int *dest;
|
|
||||||
int dst_stride;
|
|
||||||
|
|
||||||
dest = (unsigned int *)cairo_image_surface_get_data (dest_surface);
|
|
||||||
dst_stride = cairo_image_surface_get_stride (dest_surface);
|
|
||||||
|
|
||||||
scanline = (uint32_t*)gmallocn3 (orig_width, 1, sizeof(int));
|
|
||||||
|
|
||||||
x_coverage = (int *)gmallocn3 (orig_width, 1, sizeof(int));
|
|
||||||
y_coverage = (int *)gmallocn3 (orig_height, 1, sizeof(int));
|
|
||||||
|
|
||||||
/* we need to allocate enough room for ceil(src_height/dest_height)+1
|
|
||||||
Example:
|
|
||||||
src_height = 140
|
|
||||||
dest_height = 50
|
|
||||||
src_height/dest_height = 2.8
|
|
||||||
|
|
||||||
|-------------| 2.8 pixels
|
|
||||||
|----|----|----|----| 4 pixels
|
|
||||||
need to sample 3 pixels
|
|
||||||
|
|
||||||
|-------------| 2.8 pixels
|
|
||||||
|----|----|----|----| 4 pixels
|
|
||||||
need to sample 4 pixels
|
|
||||||
*/
|
|
||||||
|
|
||||||
temp_buf = (uint32_t *)gmallocn3 ((orig_height + scaled_height-1)/scaled_height+1, scaled_width, sizeof(uint32_t));
|
|
||||||
|
|
||||||
if (!x_coverage || !y_coverage || !scanline || !temp_buf)
|
|
||||||
goto cleanup;
|
|
||||||
|
|
||||||
pixel_coverage_x = compute_coverage (x_coverage, orig_width, scaled_width);
|
|
||||||
pixel_coverage_y = compute_coverage (y_coverage, orig_height, scaled_height);
|
|
||||||
|
|
||||||
assert (width + start_column <= scaled_width);
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* skip the rows at the beginning */
|
|
||||||
for (dest_y = 0; dest_y < start_row; dest_y++)
|
|
||||||
{
|
|
||||||
int box = 1 << FIXED_SHIFT;
|
|
||||||
int start_coverage_y = y_coverage[dest_y];
|
|
||||||
box -= start_coverage_y;
|
|
||||||
src_y++;
|
|
||||||
while (box >= pixel_coverage_y)
|
|
||||||
{
|
|
||||||
box -= pixel_coverage_y;
|
|
||||||
src_y++;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
for (; dest_y < start_row + height; dest_y++)
|
|
||||||
{
|
|
||||||
int columns = 0;
|
|
||||||
int box = 1 << FIXED_SHIFT;
|
|
||||||
int start_coverage_y = y_coverage[dest_y];
|
|
||||||
|
|
||||||
getRow(src_y, scanline);
|
|
||||||
downsample_row_box_filter (start_column, width, scanline, temp_buf + width * columns, x_coverage, pixel_coverage_x);
|
|
||||||
columns++;
|
|
||||||
src_y++;
|
|
||||||
box -= start_coverage_y;
|
|
||||||
|
|
||||||
while (box >= pixel_coverage_y)
|
|
||||||
{
|
|
||||||
getRow(src_y, scanline);
|
|
||||||
downsample_row_box_filter (start_column, width, scanline, temp_buf + width * columns, x_coverage, pixel_coverage_x);
|
|
||||||
columns++;
|
|
||||||
src_y++;
|
|
||||||
box -= pixel_coverage_y;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* downsample any leftovers */
|
|
||||||
if (box > 0)
|
|
||||||
{
|
|
||||||
getRow(src_y, scanline);
|
|
||||||
downsample_row_box_filter (start_column, width, scanline, temp_buf + width * columns, x_coverage, pixel_coverage_x);
|
|
||||||
columns++;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* now scale the rows we just downsampled in the y direction */
|
|
||||||
downsample_columns_box_filter (width, start_coverage_y, pixel_coverage_y, temp_buf, dest);
|
|
||||||
dest += dst_stride / 4;
|
|
||||||
|
|
||||||
// assert(width*columns <= ((orig_height + scaled_height-1)/scaled_height+1) * width);
|
|
||||||
}
|
|
||||||
// assert (src_y<=orig_height);
|
|
||||||
|
|
||||||
retval = gTrue;
|
|
||||||
|
|
||||||
cleanup:
|
|
||||||
free (x_coverage);
|
|
||||||
free (y_coverage);
|
|
||||||
free (temp_buf);
|
|
||||||
free (scanline);
|
|
||||||
|
|
||||||
return retval;
|
|
||||||
}
|
|
||||||
61
3rdparty/poppler/0.22.5/CairoRescaleBox.h
vendored
61
3rdparty/poppler/0.22.5/CairoRescaleBox.h
vendored
@ -1,61 +0,0 @@
|
|||||||
/*
|
|
||||||
* Copyright © 2009 Mozilla Corporation
|
|
||||||
*
|
|
||||||
* Permission to use, copy, modify, distribute, and sell this software and its
|
|
||||||
* documentation for any purpose is hereby granted without fee, provided that
|
|
||||||
* the above copyright notice appear in all copies and that both that
|
|
||||||
* copyright notice and this permission notice appear in supporting
|
|
||||||
* documentation, and that the name of Mozilla Corporation not be used in
|
|
||||||
* advertising or publicity pertaining to distribution of the software without
|
|
||||||
* specific, written prior permission. Mozilla Corporation makes no
|
|
||||||
* representations about the suitability of this software for any purpose. It
|
|
||||||
* is provided "as is" without express or implied warranty.
|
|
||||||
*
|
|
||||||
* MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|
||||||
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT
|
|
||||||
* SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
|
||||||
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
|
|
||||||
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
|
||||||
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
|
|
||||||
* OF THIS SOFTWARE.
|
|
||||||
*
|
|
||||||
* Author: Jeff Muizelaar, Mozilla Corp.
|
|
||||||
*/
|
|
||||||
|
|
||||||
//========================================================================
|
|
||||||
//
|
|
||||||
// Modified under the Poppler project - http://poppler.freedesktop.org
|
|
||||||
//
|
|
||||||
// All changes made under the Poppler project to this file are licensed
|
|
||||||
// under GPL version 2 or later
|
|
||||||
//
|
|
||||||
// Copyright (C) 2012 Adrian Johnson <ajohnson@redneon.com>
|
|
||||||
//
|
|
||||||
// To see a description of the changes please see the Changelog file that
|
|
||||||
// came with your tarball or type make ChangeLog if you are building from git
|
|
||||||
//
|
|
||||||
//========================================================================
|
|
||||||
|
|
||||||
#ifndef CAIRO_RESCALE_BOX_H
|
|
||||||
#define CAIRO_RESCALE_BOX_H
|
|
||||||
|
|
||||||
#include "goo/gtypes.h"
|
|
||||||
#include <cairo.h>
|
|
||||||
|
|
||||||
class CairoRescaleBox {
|
|
||||||
public:
|
|
||||||
|
|
||||||
CairoRescaleBox() {};
|
|
||||||
virtual ~CairoRescaleBox() {};
|
|
||||||
|
|
||||||
virtual GBool downScaleImage(unsigned orig_width, unsigned orig_height,
|
|
||||||
signed scaled_width, signed scaled_height,
|
|
||||||
unsigned short int start_column, unsigned short int start_row,
|
|
||||||
unsigned short int width, unsigned short int height,
|
|
||||||
cairo_surface_t *dest_surface);
|
|
||||||
|
|
||||||
virtual void getRow(int row_num, uint32_t *row_data) = 0;
|
|
||||||
|
|
||||||
};
|
|
||||||
|
|
||||||
#endif /* CAIRO_RESCALE_BOX_H */
|
|
||||||
@ -5,7 +5,7 @@ set(CMAKE_BUILD_TYPE Release CACHE STRING "Build configuration (Debug, Release,
|
|||||||
project(pdf2htmlEX)
|
project(pdf2htmlEX)
|
||||||
cmake_minimum_required(VERSION 2.6.0 FATAL_ERROR)
|
cmake_minimum_required(VERSION 2.6.0 FATAL_ERROR)
|
||||||
|
|
||||||
option(ENABLE_SVG "Enable SVG support, for generating SVG background images and converting Type 3 fonts" OFF)
|
option(ENABLE_SVG "Enable SVG support, for generating SVG background images and converting Type 3 fonts" ON)
|
||||||
|
|
||||||
include_directories(${CMAKE_SOURCE_DIR}/src)
|
include_directories(${CMAKE_SOURCE_DIR}/src)
|
||||||
|
|
||||||
@ -19,21 +19,7 @@ add_custom_target(dist
|
|||||||
find_package(PkgConfig)
|
find_package(PkgConfig)
|
||||||
|
|
||||||
|
|
||||||
pkg_check_modules(POPPLER poppler>=0.25.0)
|
pkg_check_modules(POPPLER REQUIRED poppler>=0.25.0)
|
||||||
if(POPPLER_FOUND)
|
|
||||||
set(POPPLER_OLDER_THAN_0_25_0 0)
|
|
||||||
set(POPPLER_OLDER_THAN_0_23_0 0)
|
|
||||||
else()
|
|
||||||
set(POPPLER_OLDER_THAN_0_25_0 1)
|
|
||||||
pkg_check_modules(POPPLER poppler>=0.23.0)
|
|
||||||
if(POPPLER_FOUND)
|
|
||||||
set(POPPLER_OLDER_THAN_0_23_0 0)
|
|
||||||
else()
|
|
||||||
set(POPPLER_OLDER_THAN_0_23_0 1)
|
|
||||||
pkg_check_modules(POPPLER REQUIRED poppler>=0.20.0)
|
|
||||||
endif()
|
|
||||||
endif()
|
|
||||||
|
|
||||||
include_directories(${POPPLER_INCLUDE_DIRS})
|
include_directories(${POPPLER_INCLUDE_DIRS})
|
||||||
link_directories(${POPPLER_LIBRARY_DIRS})
|
link_directories(${POPPLER_LIBRARY_DIRS})
|
||||||
set(PDF2HTMLEX_LIBS ${PDF2HTMLEX_LIBS} ${POPPLER_LIBRARIES})
|
set(PDF2HTMLEX_LIBS ${PDF2HTMLEX_LIBS} ${POPPLER_LIBRARIES})
|
||||||
@ -47,11 +33,7 @@ if(ENABLE_SVG)
|
|||||||
link_directories(${CAIRO_LIBRARY_DIRS})
|
link_directories(${CAIRO_LIBRARY_DIRS})
|
||||||
set(PDF2HTMLEX_LIBS ${PDF2HTMLEX_LIBS} ${CAIRO_LIBRARIES})
|
set(PDF2HTMLEX_LIBS ${PDF2HTMLEX_LIBS} ${CAIRO_LIBRARIES})
|
||||||
set(ENABLE_SVG 1)
|
set(ENABLE_SVG 1)
|
||||||
if(POPPLER_OLDER_THAN_0_23_0)
|
set(CAIROOUTPUTDEV_PATH 3rdparty/poppler/git)
|
||||||
set(CAIROOUTPUTDEV_PATH 3rdparty/poppler/0.22.5)
|
|
||||||
else()
|
|
||||||
set(CAIROOUTPUTDEV_PATH 3rdparty/poppler/git)
|
|
||||||
endif()
|
|
||||||
include_directories(${CAIROOUTPUTDEV_PATH})
|
include_directories(${CAIROOUTPUTDEV_PATH})
|
||||||
set(PDF2HTMLEX_SRC ${PDF2HTMLEX_SRC}
|
set(PDF2HTMLEX_SRC ${PDF2HTMLEX_SRC}
|
||||||
${CAIROOUTPUTDEV_PATH}/CairoFontEngine.h
|
${CAIROOUTPUTDEV_PATH}/CairoFontEngine.h
|
||||||
|
|||||||
@ -1,3 +1,10 @@
|
|||||||
|
Developing
|
||||||
|
|
||||||
|
* Do not support Poppler < 0.25.0 any more
|
||||||
|
* ENABLE_SVG is enabled by default
|
||||||
|
* Improved DrawingTracer
|
||||||
|
* Workarounds for chrome/webkit
|
||||||
|
|
||||||
v0.12
|
v0.12
|
||||||
2014.07.24
|
2014.07.24
|
||||||
|
|
||||||
|
|||||||
@ -56,15 +56,9 @@ SplashBackgroundRenderer::SplashBackgroundRenderer(const string & imgFormat, HTM
|
|||||||
* And thus have modified region set to the whole page area
|
* And thus have modified region set to the whole page area
|
||||||
* We do not want that.
|
* We do not want that.
|
||||||
*/
|
*/
|
||||||
#if POPPLER_OLDER_THAN_0_23_0
|
|
||||||
void SplashBackgroundRenderer::startPage(int pageNum, GfxState *state)
|
|
||||||
{
|
|
||||||
SplashOutputDev::startPage(pageNum, state);
|
|
||||||
#else
|
|
||||||
void SplashBackgroundRenderer::startPage(int pageNum, GfxState *state, XRef *xrefA)
|
void SplashBackgroundRenderer::startPage(int pageNum, GfxState *state, XRef *xrefA)
|
||||||
{
|
{
|
||||||
SplashOutputDev::startPage(pageNum, state, xrefA);
|
SplashOutputDev::startPage(pageNum, state, xrefA);
|
||||||
#endif
|
|
||||||
clearModRegion();
|
clearModRegion();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|||||||
@ -39,11 +39,7 @@ public:
|
|||||||
// text in Type 3 fonts will be drawn with drawChar/drawString.
|
// text in Type 3 fonts will be drawn with drawChar/drawString.
|
||||||
virtual GBool interpretType3Chars() { return !param.process_type3; }
|
virtual GBool interpretType3Chars() { return !param.process_type3; }
|
||||||
|
|
||||||
#if POPPLER_OLDER_THAN_0_23_0
|
|
||||||
virtual void startPage(int pageNum, GfxState *state);
|
|
||||||
#else
|
|
||||||
virtual void startPage(int pageNum, GfxState *state, XRef *xrefA);
|
virtual void startPage(int pageNum, GfxState *state, XRef *xrefA);
|
||||||
#endif
|
|
||||||
|
|
||||||
virtual void drawChar(GfxState *state, double x, double y,
|
virtual void drawChar(GfxState *state, double x, double y,
|
||||||
double dx, double dy,
|
double dx, double dy,
|
||||||
|
|||||||
@ -78,11 +78,7 @@ public:
|
|||||||
virtual void setDefaultCTM(double *ctm);
|
virtual void setDefaultCTM(double *ctm);
|
||||||
|
|
||||||
// Start a page.
|
// Start a page.
|
||||||
#if POPPLER_OLDER_THAN_0_23_0
|
|
||||||
virtual void startPage(int pageNum, GfxState *state);
|
|
||||||
#else
|
|
||||||
virtual void startPage(int pageNum, GfxState *state, XRef * xref);
|
virtual void startPage(int pageNum, GfxState *state, XRef * xref);
|
||||||
#endif
|
|
||||||
|
|
||||||
// End a page.
|
// End a page.
|
||||||
virtual void endPage();
|
virtual void endPage();
|
||||||
|
|||||||
@ -192,11 +192,7 @@ string HTMLRenderer::dump_type3_font (GfxFont * font, FontInfo & info)
|
|||||||
FT_Library ft_lib;
|
FT_Library ft_lib;
|
||||||
FT_Init_FreeType(&ft_lib);
|
FT_Init_FreeType(&ft_lib);
|
||||||
CairoFontEngine font_engine(ft_lib);
|
CairoFontEngine font_engine(ft_lib);
|
||||||
#if POPPLER_OLDER_THAN_0_23_0
|
|
||||||
auto * cur_font = font_engine.getFont(font, cur_doc, true);
|
|
||||||
#else
|
|
||||||
auto * cur_font = font_engine.getFont(font, cur_doc, true, xref);
|
auto * cur_font = font_engine.getFont(font, cur_doc, true, xref);
|
||||||
#endif
|
|
||||||
auto used_map = preprocessor.get_code_map(hash_ref(font->getID()));
|
auto used_map = preprocessor.get_code_map(hash_ref(font->getID()));
|
||||||
|
|
||||||
//calculate transformed metrics
|
//calculate transformed metrics
|
||||||
|
|||||||
@ -186,11 +186,7 @@ void HTMLRenderer::setDefaultCTM(double *ctm)
|
|||||||
memcpy(default_ctm, ctm, sizeof(default_ctm));
|
memcpy(default_ctm, ctm, sizeof(default_ctm));
|
||||||
}
|
}
|
||||||
|
|
||||||
#if POPPLER_OLDER_THAN_0_23_0
|
|
||||||
void HTMLRenderer::startPage(int pageNum, GfxState *state)
|
|
||||||
#else
|
|
||||||
void HTMLRenderer::startPage(int pageNum, GfxState *state, XRef * xref)
|
void HTMLRenderer::startPage(int pageNum, GfxState *state, XRef * xref)
|
||||||
#endif
|
|
||||||
{
|
{
|
||||||
covered_text_detecor.reset();
|
covered_text_detecor.reset();
|
||||||
tracer.reset(state);
|
tracer.reset(state);
|
||||||
|
|||||||
@ -11,8 +11,6 @@
|
|||||||
|
|
||||||
#include <string>
|
#include <string>
|
||||||
|
|
||||||
#define POPPLER_OLDER_THAN_0_25_0 @POPPLER_OLDER_THAN_0_25_0@
|
|
||||||
#define POPPLER_OLDER_THAN_0_23_0 @POPPLER_OLDER_THAN_0_23_0@
|
|
||||||
#define ENABLE_SVG @ENABLE_SVG@
|
#define ENABLE_SVG @ENABLE_SVG@
|
||||||
|
|
||||||
namespace pdf2htmlEX {
|
namespace pdf2htmlEX {
|
||||||
|
|||||||
@ -119,11 +119,7 @@ Unicode unicode_from_font (CharCode code, GfxFont * font)
|
|||||||
// may be untranslated ligature
|
// may be untranslated ligature
|
||||||
if(cname)
|
if(cname)
|
||||||
{
|
{
|
||||||
#if POPPLER_OLDER_THAN_0_25_0
|
|
||||||
Unicode ou = globalParams->mapNameToUnicode(cname);
|
|
||||||
#else
|
|
||||||
Unicode ou = globalParams->mapNameToUnicodeText(cname);
|
Unicode ou = globalParams->mapNameToUnicodeText(cname);
|
||||||
#endif
|
|
||||||
if(isLegalUnicode(ou))
|
if(isLegalUnicode(ou))
|
||||||
return ou;
|
return ou;
|
||||||
}
|
}
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user