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Viewing changes to src/gdevpdts.h

  • Committer: Bazaar Package Importer
  • Author(s): Till Kamppeter
  • Date: 2009-01-20 16:40:45 UTC
  • mfrom: (1.1.10 upstream)
  • Revision ID: james.westby@ubuntu.com-20090120164045-lnfhi0n30o5lwhwa
Tags: 8.64.dfsg.1~svn9377-0ubuntu1
https://launchpad.net/bugs/317810
https://launchpad.net/bugs/314439
https://launchpad.net/bugs/314018
* New upstream release (SVN rev 9377)
   o Fixes many bugs concerning PDF rendering, to make the PDF printing
     workflow correctly working.
   o Fixes long-standing bugs in many drivers, like input paper tray and
     duplex options not working for the built-in PCL 4, 5, 5c, 5e, and
     6/XL drivers, PDF input not working for bjc600, bjc800, and cups
     output devices, several options not working and uninitialized
     memory with cups output device.
   o Merged nearly all patches of the Ubuntu and Debian packages upstream.
   o Fixes LP: #317810, LP: #314439, LP: #314018.
* debian/patches/03_libpaper_support.dpatch,
  debian/patches/11_gs-cjk_font_glyph_handling_fix.dpatch,
  debian/patches/12_gs-cjk_vertical_writing_metrics_fix.dpatch,
  debian/patches/13_gs-cjk_cjkps_examples.dpatch,
  debian/patches/20_bbox_segv_fix.dpatch,
  debian/patches/21_brother_7x0_gdi_fix.dpatch,
  debian/patches/22_epsn_margin_workaround.dpatch,
  debian/patches/24_gs_man_fix.dpatch,
  debian/patches/25_toolbin_insecure_tmp_usage_fix.dpatch,
  debian/patches/26_assorted_script_fixes.dpatch,
  debian/patches/29_gs_css_fix.dpatch,
  debian/patches/30_ps2pdf_man_improvement.dpatch,
  debian/patches/31_fix-gc-sigbus.dpatch,
  debian/patches/34_ftbfs-on-hurd-fix.dpatch,
  debian/patches/35_disable_libcairo.dpatch,
  debian/patches/38_pxl-duplex.dpatch,
  debian/patches/39_pxl-resolution.dpatch,
  debian/patches/42_gs-init-ps-delaybind-fix.dpatch,
  debian/patches/45_bjc600-bjc800-pdf-input.dpatch,
  debian/patches/48_cups-output-device-pdf-duplex-uninitialized-memory-fix.dpatch,
  debian/patches/50_lips4-floating-point-exception.dpatch,
  debian/patches/52_cups-device-logging.dpatch,
  debian/patches/55_pcl-input-slot-fix.dpatch,
  debian/patches/57_pxl-input-slot-fix.dpatch,
  debian/patches/60_pxl-cups-driver-pdf.dpatch,
  debian/patches/62_onebitcmyk-pdf.dpatch,
  debian/patches/65_too-big-temp-files-1.dpatch,
  debian/patches/67_too-big-temp-files-2.dpatch,
  debian/patches/70_take-into-account-data-in-stream-buffer-before-refill.dpatch:
  Removed, applied upstream.
* debian/patches/01_docdir_fix_for_debian.dpatch,
  debian/patches/02_gs_man_fix_debian.dpatch,
  debian/patches/01_docdir-fix-for-debian.dpatch,
  debian/patches/02_docdir-fix-for-debian.dpatch: Renamed patches to
  make merging with Debian easier.
* debian/patches/32_improve-handling-of-media-size-changes-from-gv.dpatch, 
  debian/patches/33_bad-params-to-xinitimage-on-large-bitmaps.dpatch:
  regenerated for new source directory structure.
* debian/rules: Corrected paths to remove cidfmap (it is in Resource/Init/
  in GS 8.64) and to install headers (source paths are psi/ and base/ now).
* debian/rules: Remove all fontmaps, as DeFoMa replaces them.
* debian/local/pdftoraster/pdftoraster.c,
  debian/local/pdftoraster/pdftoraster.convs, debian/rules: Removed
  added pdftoraster filter and use the one which comes with Ghostscript.
* debian/ghostscript.links: s/8.63/8.64/

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src/gdevpdts.h
1
 
/* Copyright (C) 2001-2006 Artifex Software, Inc.
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   All Rights Reserved.
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4
 
   This software is provided AS-IS with no warranty, either express or
5
 
   implied.
6
 
 
7
 
   This software is distributed under license and may not be copied, modified
8
 
   or distributed except as expressly authorized under the terms of that
9
 
   license.  Refer to licensing information at http://www.artifex.com/
10
 
   or contact Artifex Software, Inc.,  7 Mt. Lassen Drive - Suite A-134,
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   San Rafael, CA  94903, U.S.A., +1(415)492-9861, for further information.
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*/
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/* $Id: gdevpdts.h 8265 2007-10-02 07:31:58Z ken $ */
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/* Text state structure and API for pdfwrite */
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#ifndef gdevpdts_INCLUDED
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#  define gdevpdts_INCLUDED
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#include "gsmatrix.h"
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/*
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 * See gdevpdtt.h for a discussion of the multiple coordinate systems that
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 * the text code must use.
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 */
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/* ================ Types and structures ================ */
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#ifndef pdf_text_state_DEFINED
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#  define pdf_text_state_DEFINED
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typedef struct pdf_text_state_s pdf_text_state_t;
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#endif
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/*
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 * Clients pass in the text state values; the implementation decides when
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 * (and, in the case of text positioning, how) to emit PDF commands to
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 * set them in the output.
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 */
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typedef struct pdf_text_state_values_s {
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    float character_spacing;    /* Tc */
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    pdf_font_resource_t *pdfont; /* for Tf */
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    double size;                /* for Tf */
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    /*
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     * The matrix is the transformation from text space to user space, which
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     * in pdfwrite text output is the same as device space.  Thus this
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     * matrix combines the effect of the PostScript CTM and the FontMatrix,
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     * scaled by the inverse of the font size value.
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     */
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    gs_matrix matrix;           /* Tm et al */
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    int render_mode;            /* Tr */
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    float word_spacing;         /* Tw */
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} pdf_text_state_values_t;
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#define TEXT_STATE_VALUES_DEFAULT\
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    0,                          /* character_spacing */\
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    NULL,                       /* font */\
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    0,                          /* size */\
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    { identity_matrix_body },   /* matrix */\
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    0,                          /* render_mode */\
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    0                           /* word_spacing */
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/* ================ Procedures ================ */
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/* ------ Exported for gdevpdfu.c ------ */
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/*
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 * Transition from stream context to text context.
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 */
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int pdf_from_stream_to_text(gx_device_pdf *pdev);
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/*
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 * Transition from string context to text context.
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 */
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int pdf_from_string_to_text(gx_device_pdf *pdev);
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/*
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 * Close the text aspect of the current contents part.
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 */
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void pdf_close_text_contents(gx_device_pdf *pdev); /* gdevpdts.h */
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/* ------ Used only within the text code ------ */
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/*
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 * Test whether a change in render_mode requires resetting the stroke
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 * parameters.
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 */
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bool pdf_render_mode_uses_stroke(const gx_device_pdf *pdev,
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                                 const pdf_text_state_values_t *ptsv);
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/*
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 * Read the stored client view of text state values.
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 */
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void pdf_get_text_state_values(gx_device_pdf *pdev,
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                               pdf_text_state_values_t *ptsv);
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/*
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 * Set wmode to text state.
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 */
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void pdf_set_text_wmode(gx_device_pdf *pdev, int wmode);
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/*
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 * Set the stored client view of text state values.
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 */
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int pdf_set_text_state_values(gx_device_pdf *pdev,
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                              const pdf_text_state_values_t *ptsv);
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/*
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 * Transform a distance from unscaled text space (text space ignoring the
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 * scaling implied by the font size) to device space.
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 */
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int pdf_text_distance_transform(floatp wx, floatp wy,
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                                const pdf_text_state_t *pts,
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                                gs_point *ppt);
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/*
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 * Return the current (x,y) text position as seen by the client, in
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 * unscaled text space.
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 */
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void pdf_text_position(const gx_device_pdf *pdev, gs_point *ppt);
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/*
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 * Append characters to text being accumulated, giving their advance width
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 * in device space.
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 */
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int pdf_append_chars(gx_device_pdf * pdev, const byte * str, uint size,
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                     floatp wx, floatp wy, bool nobreak);
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bool pdf_compare_text_state_for_charpath(pdf_text_state_t *pts, gx_device_pdf *pdev, 
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                             gs_imager_state *pis, gs_font *font, 
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                             const gs_text_params_t *text);
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int pdf_modify_text_render_mode(pdf_text_state_t *pts, int render_mode);
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#endif /* gdevpdts_INCLUDED */