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Diffstat (limited to 'Build/source/texk/web2c/luatexdir/image/image.h')
-rw-r--r-- | Build/source/texk/web2c/luatexdir/image/image.h | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/luatexdir/image/image.h b/Build/source/texk/web2c/luatexdir/image/image.h new file mode 100644 index 00000000000..cf7d4f0dd88 --- /dev/null +++ b/Build/source/texk/web2c/luatexdir/image/image.h @@ -0,0 +1,223 @@ +/* +Copyright (c) 1996-2002 Han The Thanh, <thanh@pdftex.org> + +This file is part of pdfTeX. +pdfTeX 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. + +pdfTeX 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 pdfTeX; if not, write to the Free Software +Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +$Id: image.h 1100 2008-03-09 13:40:48Z hhenkel $ +*/ + +#ifndef IMAGE_H +# define IMAGE_H + +# include <../libpng/png.h> + +# define JPG_UINT16 unsigned int +# define JPG_UINT32 unsigned long +# define JPG_UINT8 unsigned char + +# define IMAGE_COLOR_B 1 +# define IMAGE_COLOR_C 2 +# define IMAGE_COLOR_I 4 + +extern integer zround(double); /* from zround.c */ +# define bp2int(p) zround(p * (one_hundred_bp / 100.0)) + +# define TYPE_IMG "image" +# define TYPE_IMG_DICT "image-dict" + +# define scaled integer + +/**********************************************************************/ + +typedef struct { + float width; + float height; + float orig_x; + float orig_y; + void *doc; +} pdf_img_struct; + +typedef struct { + png_structp png_ptr; + png_infop info_ptr; +} png_img_struct; + +typedef struct { + int color_space; /* used color space. See JPG_ constants */ + JPG_UINT32 length; /* length of file/data */ +} jpg_img_struct; + +typedef struct { /* currently unused */ +} jb2_img_struct; + +typedef enum { DICT_NEW, /* fresh dictionary */ + DICT_FILESCANNED, /* image file scanned */ + DICT_REFERED, /* pdf_refximage_node in node list --> read-only dict */ + DICT_OUTIMG, /* /Im* appears in pagestream */ + DICT_SCHEDULED, /* image dict scheduled for writing */ + DICT_WRITTEN /* image dict written to file */ +} dict_state; + +typedef enum { IMAGE_TYPE_NONE, IMAGE_TYPE_PDF, IMAGE_TYPE_PNG, IMAGE_TYPE_JPG, + IMAGE_TYPE_JBIG2, IMAGE_TYPE_SENTINEL +} imgtype_e; + +typedef enum { IMG_KEEPOPEN, IMG_CLOSEINBETWEEN } img_readtype_e; + +typedef enum { PDF_BOX_SPEC_NONE, PDF_BOX_SPEC_MEDIA, PDF_BOX_SPEC_CROP, + PDF_BOX_SPEC_BLEED, PDF_BOX_SPEC_TRIM, PDF_BOX_SPEC_ART, + PDF_BOX_SPEC_SENTINEL +} pdfboxspec_e; + +/**********************************************************************/ + +typedef struct { + integer objnum; + integer index; /* /Im1, /Im2, ... */ + integer x_size; /* dimensions in pixel counts as in JPG/PNG/JBIG2 file */ + integer y_size; + integer x_res; /* pixel resolution as in JPG/PNG/JBIG2 file */ + integer y_res; + integer colorspace; /* number of /ColorSpace object */ + integer total_pages; + integer page_num; /* requested page (by number) */ + char *pagename; /* requested page (by name) */ + char *filename; /* requested raw file name */ + char *filepath; /* full file path after kpathsea */ + char *attr; /* additional image dict entries */ + FILE *file; + imgtype_e image_type; + int color_space; /* used color space. See JPG_ constants */ + int color_depth; /* color depth */ + pdfboxspec_e page_box_spec; /* PDF page box spec.: media/crop/bleed/trim/art */ + dict_state state; + union { + pdf_img_struct *pdf; + png_img_struct *png; + jpg_img_struct *jpg; + jb2_img_struct *jb2; + } img_struct; +} image_dict; + +# define img_objnum(N) ((N)->objnum) +# define img_index(N) ((N)->index) +# define img_xsize(N) ((N)->x_size) +# define img_ysize(N) ((N)->y_size) +# define img_xres(N) ((N)->x_res) +# define img_yres(N) ((N)->y_res) +# define img_colorspace(N) ((N)->colorspace) +# define img_totalpages(N) ((N)->total_pages) +# define img_pagenum(N) ((N)->page_num) +# define img_pagename(N) ((N)->pagename) +# define img_filename(N) ((N)->filename) +# define img_filepath(N) ((N)->filepath) +# define img_attr(N) ((N)->attr) +# define img_file(N) ((N)->file) +# define img_type(N) ((N)->image_type) +# define img_color(N) ((N)->color_space) +# define img_colordepth(N) ((N)->color_depth) +# define img_pagebox(N) ((N)->page_box_spec) +# define img_state(N) ((N)->state) + +# define img_pdf_ptr(N) ((N)->img_struct.pdf) +# define img_pdf_width(N) ((N)->img_struct.pdf->width) +# define img_pdf_height(N) ((N)->img_struct.pdf->height) +# define img_pdf_orig_x(N) ((N)->img_struct.pdf->orig_x) +# define img_pdf_orig_y(N) ((N)->img_struct.pdf->orig_y) +# define img_pdf_doc(N) ((N)->img_struct.pdf->doc) + +# define img_png_ptr(N) ((N)->img_struct.png) +# define img_png_png_ptr(N) ((N)->img_struct.png->png_ptr) +# define img_png_info_ptr(N) ((N)->img_struct.png->info_ptr) + +# define img_jpg_ptr(N) ((N)->img_struct.jpg) +# define img_jpg_color(N) ((N)->img_struct.jpg->color_space) + +# define img_jb2_ptr(N) ((N)->img_struct.jb2) + +/**********************************************************************/ + +typedef struct { + integer width; /* requested/actual TeX dimensions */ + integer height; + integer depth; + integer transform; + integer flags; + image_dict *dict; + int dict_ref; /* luaL_ref() reference */ +} image; + +# define img_width(N) ((N)->width) +# define img_height(N) ((N)->height) +# define img_depth(N) ((N)->depth) +# define img_transform(N) ((N)->transform) +# define img_flags(N) ((N)->flags) +# define img_dict(N) ((N)->dict) +# define img_dictref(N) ((N)->dict_ref) + +# define F_FLAG_SCALED 0x01 +# define F_FLAG_REFERED 0x02 + +# define img_flags(N) ((N)->flags) +# define img_set_scaled(N) (img_flags(N) |= F_FLAG_SCALED) +# define img_set_refered(N) (img_flags(N) |= F_FLAG_REFERED) +# define img_unset_scaled(N) (img_flags(N) &= ~F_FLAG_SCALED) +# define img_unset_refered(N) (img_flags(N) &= ~F_FLAG_REFERED) +# define img_is_scaled(N) ((img_flags(N) & F_FLAG_SCALED) != 0) +# define img_is_refered(N) ((img_flags(N) & F_FLAG_REFERED) != 0) + +# define set_wd_running(N) (img_width(N) = null_flag) +# define set_ht_running(N) (img_height(N) = null_flag) +# define set_dp_running(N) (img_depth(N) = null_flag) +# define is_wd_running(N) (img_width(N) == null_flag) +# define is_ht_running(N) (img_height(N) == null_flag) +# define is_dp_running(N) (img_depth(N) == null_flag) + +/**********************************************************************/ + +/* writeimg.c */ + +image *new_image(); +image_dict *new_image_dict(); +void init_image(image *); +void init_image_dict(image_dict *); +void scale_img(image *); +integer img_to_array(image *); +void delete_image(image *); +void free_image_dict(image_dict * p); +void read_img(image_dict *, integer, integer); + +/* writepng.c */ + +# ifndef boolean /* TODO: from where to get the original definition? */ +# define boolean int +# endif + +void read_png_info(image_dict *, img_readtype_e); +void read_jpg_info(image_dict *, img_readtype_e); +void read_jbig2_info(image_dict *); +void read_pdf_info(image_dict *, integer, integer); +void write_img(image_dict *); +void write_png(image_dict *); +void write_jpg(image_dict *); +void write_jbig2(image_dict *); +void write_epdf(image_dict *); + +/* pdftoepdf.cc */ + +void epdf_delete(image_dict * idict); + +#endif |