/* This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks. Copyright (C) 2002-2020 by Jin-Hwan Cho and Shunsaku Hirata, the dvipdfmx project team. Copyright (C) 1998, 1999 by Mark A. Wicks This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #ifndef _PDFDEV_H_ #define _PDFDEV_H_ #include "numbers.h" #include "pdfobj.h" #include "pdfcolor.h" typedef struct pdf_dev pdf_dev; typedef int spt_t; typedef struct pdf_tmatrix { double a, b, c, d, e, f; } pdf_tmatrix; typedef struct pdf_rect { double llx, lly, urx, ury; } pdf_rect; typedef struct pdf_coord { double x, y; } pdf_coord; /* The name transform_info is misleading. * I'll put this here for a moment... */ typedef struct { /* Physical dimensions * * If those values are given, images will be scaled * and/or shifted to fit within a box described by * those values. */ double width; double height; double depth; pdf_tmatrix matrix; /* transform matrix */ pdf_rect bbox; /* user_bbox */ int flags; } transform_info; #define INFO_HAS_USER_BBOX (1 << 0) #define INFO_HAS_WIDTH (1 << 1) #define INFO_HAS_HEIGHT (1 << 2) #define INFO_DO_CLIP (1 << 3) #define INFO_DO_HIDE (1 << 4) extern void transform_info_clear (transform_info *info); /* Not in spt_t. */ extern int pdf_sprint_matrix (char *buf, const pdf_tmatrix *p); extern int pdf_sprint_rect (char *buf, const pdf_rect *p); extern int pdf_sprint_coord (char *buf, const pdf_coord *p); extern int pdf_sprint_length (char *buf, double value); extern int pdf_sprint_number (char *buf, double value); /* unit_conv: multiplier for input unit (spt_t) to bp conversion. * precision: How many fractional digits preserved in output (not real * accuracy control). * is_bw: Ignore color related special instructions. */ extern void pdf_init_device (double unit_conv, int precision, int is_bw); extern void pdf_close_device (void); /* returns 1.0/unit_conv */ extern double dev_unit_dviunit (void); /* Draw texts and rules: * * xpos, ypos, width, and height are all fixed-point numbers * converted to big-points by multiplying unit_conv (dvi2pts). * They must be position in the user space. * * ctype: * 0 - input string is in multi-byte encoding. * 1 - input string is in 8-bit encoding. * 2 - input string is in 16-bit encoding. */ extern void pdf_dev_set_string (spt_t xpos, spt_t ypos, const void *instr_ptr, int instr_len, spt_t text_width, int font_id); extern void pdf_dev_set_rule (spt_t xpos, spt_t ypos, spt_t width, spt_t height); /* Place XObject: rect returned */ extern int pdf_dev_put_image (int xobj_id, transform_info *p, double ref_x, double ref_y, pdf_rect *rect); /* The design_size and ptsize required by PK font support... */ extern int pdf_dev_locate_font (const char *font_name, spt_t ptsize); /* The following two routines are NOT WORKING. * Dvipdfmx doesn't manage gstate well.. */ #define pdf_dev_scale() (1.0) /* Access text state parameters. */ extern int pdf_dev_get_font_wmode (int font_id); /* ps: special support want this (pTeX). */ /* Text composition (direction) mode * This affects only when auto_rotate is enabled. */ extern int pdf_dev_get_dirmode (void); extern void pdf_dev_set_dirmode (int dir_mode); /* Set rect to rectangle in device space. * Unit conversion spt_t to bp and transformation applied within it. */ extern void pdf_dev_set_rect (pdf_rect *rect, spt_t x_pos, spt_t y_pos, spt_t width, spt_t height, spt_t depth); /* Accessor to various device parameters. */ #define PDF_DEV_PARAM_AUTOROTATE 1 #define PDF_DEV_PARAM_COLORMODE 2 extern int pdf_dev_get_param (int param_type); extern void pdf_dev_set_param (int param_type, int value); /* Text composition mode is ignored (always same as font's * writing mode) and glyph rotation is not enabled if * auto_rotate is unset. */ #define pdf_dev_set_autorotate(v) pdf_dev_set_param(PDF_DEV_PARAM_AUTOROTATE, (v)) /* * For pdf_doc, pdf_draw and others. */ /* Force reselecting font and color: * XFrom (content grabbing) and Metapost support want them. */ extern void pdf_dev_reset_fonts (int newpage); extern void pdf_dev_reset_color (int force); /* Initialization of transformation matrix with M and others. * They are called within pdf_doc_begin_page() and pdf_doc_end_page(). */ extern void pdf_dev_bop (const pdf_tmatrix *M); extern void pdf_dev_eop (void); /* Text is normal and line art is not normal in dvipdfmx. So we don't have * begin_text (BT in PDF) and end_text (ET), but instead we have graphics_mode() * to terminate text section. pdf_dev_flushpath() and others call this. */ extern void graphics_mode (void); extern void pdf_dev_begin_actualtext (uint16_t *unicodes, int len); extern void pdf_dev_end_actualtext (void); extern int pdf_dev_font_minbytes (int font_id); #endif /* _PDFDEV_H_ */