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- /* Copyright (C) 2002 Aladdin Enterprises. All rights reserved.
-
- This software is provided AS-IS with no warranty, either express or
- implied.
-
- This software is distributed under license and may not be copied,
- modified or distributed except as expressly authorized under the terms
- of the license contained in the file LICENSE in this distribution.
-
- For more information about licensing, please refer to
- http://www.ghostscript.com/licensing/. For information on
- commercial licensing, go to http://www.artifex.com/licensing/ or
- contact Artifex Software, Inc., 101 Lucas Valley Road #110,
- San Rafael, CA 94903, U.S.A., +1(415)492-9861.
- */
- /* $Id: gdevpdt.h,v 1.2 2003/04/08 16:31:56 igor Exp $ */
- /* Interface for pdfwrite text and fonts */
- #ifndef gdevpdt_INCLUDED
- # define gdevpdt_INCLUDED
- /*
- * This file defines a largely opaque interface to the text and font
- * handling code for pdfwrite. This is the only file that pdfwrite code
- * outside the text and font handling subsystem (pdftext.dev) should
- * #include.
- *
- * The declarations in this file deliberately duplicate declarations in
- * various other header files of the pdfwrite text/font subsystem.
- * This allows the compiler to check them for consistency.
- */
- /* ================ Procedures ================ */
- /* ---------------- Utility (for gdevpdf.c) ---------------- */
- /*
- * Allocate and initialize text state bookkeeping.
- */
- pdf_text_state_t *pdf_text_state_alloc(gs_memory_t *mem);
- /*
- * Allocate and initialize the text data structure.
- */
- pdf_text_data_t *pdf_text_data_alloc(gs_memory_t *mem); /* gdevpdts.h */
- /*
- * Reset the text state at the beginning of the page.
- */
- void pdf_reset_text_page(pdf_text_data_t *ptd); /* gdevpdts.h */
- /*
- * Reset the text state after a grestore.
- */
- void pdf_reset_text_state(pdf_text_data_t *ptd); /* gdevpdts.h */
- /*
- * Update text state at the end of a page.
- */
- void pdf_close_text_page(gx_device_pdf *pdev); /* gdevpdti.h */
- /*
- * Close the text-related parts of a document, including writing out font
- * and related resources.
- */
- int pdf_close_text_document(gx_device_pdf *pdev); /* gdevpdtw.h */
- /* ---------------- Contents state (for gdevpdfu.c) ---------------- */
- /*
- * Transition from stream context to text context.
- */
- int pdf_from_stream_to_text(gx_device_pdf *pdev); /* gdevpdts.h */
- /*
- * Transition from string context to text context.
- */
- int pdf_from_string_to_text(gx_device_pdf *pdev); /* gdevpdts.h */
- /*
- * Close the text aspect of the current contents part.
- */
- void pdf_close_text_contents(gx_device_pdf *pdev); /* gdevpdts.h */
- /* ---------------- Bitmap fonts (for gdevpdfb.c) ---------------- */
- /* Return the Y offset for a bitmap character image. */
- int pdf_char_image_y_offset(const gx_device_pdf *pdev, int x, int y, int h);/* gdevpdti.h */
- /* Begin a CharProc for an embedded (bitmap) font. */
- int pdf_begin_char_proc(gx_device_pdf * pdev, int w, int h, int x_width,
- int y_offset, gs_id id, pdf_char_proc_t **ppcp,
- pdf_stream_position_t * ppos); /* gdevpdti.h */
- /* End a CharProc. */
- int pdf_end_char_proc(gx_device_pdf * pdev,
- pdf_stream_position_t * ppos); /* gdevpdti.h */
- /* Put out a reference to an image as a character in an embedded font. */
- int pdf_do_char_image(gx_device_pdf * pdev, const pdf_char_proc_t * pcp,
- const gs_matrix * pimat); /* gdevpdti.h */
- #endif /* gdevpdt_INCLUDED */
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