| 1 | /* | 
|---|
| 2 | * PDF creation tool: Tool for creating pdf content. | 
|---|
| 3 | * | 
|---|
| 4 | * Simple test bed to work with adding content and creating PDFs | 
|---|
| 5 | */ | 
|---|
| 6 |  | 
|---|
| 7 | #include "mupdf/fitz.h" | 
|---|
| 8 | #include "mupdf/pdf.h" | 
|---|
| 9 |  | 
|---|
| 10 | #include <string.h> | 
|---|
| 11 | #include <stdlib.h> | 
|---|
| 12 | #include <stdio.h> | 
|---|
| 13 |  | 
|---|
| 14 | static void usage(void) | 
|---|
| 15 | { | 
|---|
| 16 | fprintf(stderr, | 
|---|
| 17 | "usage: mutool create [-o output.pdf] [-O options] page.txt [page2.txt ...]\n" | 
|---|
| 18 | "\t-o -\tname of PDF file to create\n" | 
|---|
| 19 | "\t-O -\tcomma separated list of output options\n" | 
|---|
| 20 | "\tpage.txt\tcontent stream with annotations for creating resources\n\n" | 
|---|
| 21 | "Content stream special commands:\n" | 
|---|
| 22 | "\t%%%%MediaBox LLX LLY URX URY\n" | 
|---|
| 23 | "\t%%%%Rotate Angle\n" | 
|---|
| 24 | "\t%%%%Font Name Filename (or base 14 font name)\n" | 
|---|
| 25 | "\t%%%%CJKFont Name Language WMode Style (Language=zh-Hant|zh-Hans|ja|ko, WMode=H|V, Style=serif|sans)\n" | 
|---|
| 26 | "\t%%%%Image Name Filename\n\n" | 
|---|
| 27 | ); | 
|---|
| 28 | fputs(fz_pdf_write_options_usage, stderr); | 
|---|
| 29 | exit(1); | 
|---|
| 30 | } | 
|---|
| 31 |  | 
|---|
| 32 | static fz_context *ctx = NULL; | 
|---|
| 33 | static pdf_document *doc = NULL; | 
|---|
| 34 |  | 
|---|
| 35 | static void add_font_res(pdf_obj *resources, char *name, char *path, char *encname) | 
|---|
| 36 | { | 
|---|
| 37 | const unsigned char *data; | 
|---|
| 38 | int size, enc; | 
|---|
| 39 | fz_font *font; | 
|---|
| 40 | pdf_obj *subres, *ref; | 
|---|
| 41 |  | 
|---|
| 42 | data = fz_lookup_base14_font(ctx, path, &size); | 
|---|
| 43 | if (data) | 
|---|
| 44 | font = fz_new_font_from_memory(ctx, path, data, size, 0, 0); | 
|---|
| 45 | else | 
|---|
| 46 | font = fz_new_font_from_file(ctx, NULL, path, 0, 0); | 
|---|
| 47 |  | 
|---|
| 48 | subres = pdf_dict_get(ctx, resources, PDF_NAME(Font)); | 
|---|
| 49 | if (!subres) | 
|---|
| 50 | { | 
|---|
| 51 | subres = pdf_new_dict(ctx, doc, 10); | 
|---|
| 52 | pdf_dict_put_drop(ctx, resources, PDF_NAME(Font), subres); | 
|---|
| 53 | } | 
|---|
| 54 |  | 
|---|
| 55 | enc = PDF_SIMPLE_ENCODING_LATIN; | 
|---|
| 56 | if (encname) | 
|---|
| 57 | { | 
|---|
| 58 | if (!strcmp(encname, "Latin") || !strcmp(encname, "Latn")) | 
|---|
| 59 | enc = PDF_SIMPLE_ENCODING_LATIN; | 
|---|
| 60 | else if (!strcmp(encname, "Greek") || !strcmp(encname, "Grek")) | 
|---|
| 61 | enc = PDF_SIMPLE_ENCODING_GREEK; | 
|---|
| 62 | else if (!strcmp(encname, "Cyrillic") || !strcmp(encname, "Cyrl")) | 
|---|
| 63 | enc = PDF_SIMPLE_ENCODING_CYRILLIC; | 
|---|
| 64 | } | 
|---|
| 65 |  | 
|---|
| 66 | ref = pdf_add_simple_font(ctx, doc, font, enc); | 
|---|
| 67 | pdf_dict_puts(ctx, subres, name, ref); | 
|---|
| 68 | pdf_drop_obj(ctx, ref); | 
|---|
| 69 |  | 
|---|
| 70 | fz_drop_font(ctx, font); | 
|---|
| 71 | } | 
|---|
| 72 |  | 
|---|
| 73 | static void add_cjkfont_res(pdf_obj *resources, char *name, char *lang, char *wm, char *style) | 
|---|
| 74 | { | 
|---|
| 75 | const unsigned char *data; | 
|---|
| 76 | int size, index, ordering, wmode, serif; | 
|---|
| 77 | fz_font *font; | 
|---|
| 78 | pdf_obj *subres, *ref; | 
|---|
| 79 |  | 
|---|
| 80 | ordering = fz_lookup_cjk_ordering_by_language(lang); | 
|---|
| 81 |  | 
|---|
| 82 | if (wm && !strcmp(wm, "V")) | 
|---|
| 83 | wmode = 1; | 
|---|
| 84 | else | 
|---|
| 85 | wmode = 0; | 
|---|
| 86 |  | 
|---|
| 87 | if (style && (!strcmp(style, "sans") || !strcmp(style, "sans-serif"))) | 
|---|
| 88 | serif = 0; | 
|---|
| 89 | else | 
|---|
| 90 | serif = 1; | 
|---|
| 91 |  | 
|---|
| 92 | data = fz_lookup_cjk_font(ctx, ordering, &size, &index); | 
|---|
| 93 | font = fz_new_font_from_memory(ctx, NULL, data, size, index, 0); | 
|---|
| 94 |  | 
|---|
| 95 | subres = pdf_dict_get(ctx, resources, PDF_NAME(Font)); | 
|---|
| 96 | if (!subres) | 
|---|
| 97 | { | 
|---|
| 98 | subres = pdf_new_dict(ctx, doc, 10); | 
|---|
| 99 | pdf_dict_put_drop(ctx, resources, PDF_NAME(Font), subres); | 
|---|
| 100 | } | 
|---|
| 101 |  | 
|---|
| 102 | ref = pdf_add_cjk_font(ctx, doc, font, ordering, wmode, serif); | 
|---|
| 103 | pdf_dict_puts(ctx, subres, name, ref); | 
|---|
| 104 | pdf_drop_obj(ctx, ref); | 
|---|
| 105 |  | 
|---|
| 106 | fz_drop_font(ctx, font); | 
|---|
| 107 | } | 
|---|
| 108 |  | 
|---|
| 109 | static void add_image_res(pdf_obj *resources, char *name, char *path) | 
|---|
| 110 | { | 
|---|
| 111 | fz_image *image; | 
|---|
| 112 | pdf_obj *subres, *ref; | 
|---|
| 113 |  | 
|---|
| 114 | image = fz_new_image_from_file(ctx, path); | 
|---|
| 115 |  | 
|---|
| 116 | subres = pdf_dict_get(ctx, resources, PDF_NAME(XObject)); | 
|---|
| 117 | if (!subres) | 
|---|
| 118 | { | 
|---|
| 119 | subres = pdf_new_dict(ctx, doc, 10); | 
|---|
| 120 | pdf_dict_put_drop(ctx, resources, PDF_NAME(XObject), subres); | 
|---|
| 121 | } | 
|---|
| 122 |  | 
|---|
| 123 | ref = pdf_add_image(ctx, doc, image); | 
|---|
| 124 | pdf_dict_puts(ctx, subres, name, ref); | 
|---|
| 125 | pdf_drop_obj(ctx, ref); | 
|---|
| 126 |  | 
|---|
| 127 | fz_drop_image(ctx, image); | 
|---|
| 128 | } | 
|---|
| 129 |  | 
|---|
| 130 | /* | 
|---|
| 131 | The input is a raw content stream, with commands embedded in comments: | 
|---|
| 132 |  | 
|---|
| 133 | %%MediaBox LLX LLY URX URY | 
|---|
| 134 | %%Rotate Angle | 
|---|
| 135 | %%Font Name Filename (or base 14 font name) [Encoding (Latin, Greek or Cyrillic)] | 
|---|
| 136 | %%CJKFont Name Language WMode Style (Language=zh-Hant|zh-Hans|ja|ko, WMode=H|V, Style=serif|sans) | 
|---|
| 137 | %%Image Name Filename | 
|---|
| 138 | */ | 
|---|
| 139 | static void create_page(char *input) | 
|---|
| 140 | { | 
|---|
| 141 | fz_rect mediabox = { 0, 0, 595, 842 }; | 
|---|
| 142 | int rotate = 0; | 
|---|
| 143 |  | 
|---|
| 144 | char line[4096]; | 
|---|
| 145 | char *s, *p; | 
|---|
| 146 | fz_stream *stm; | 
|---|
| 147 |  | 
|---|
| 148 | fz_buffer *contents; | 
|---|
| 149 | pdf_obj *resources; | 
|---|
| 150 | pdf_obj *page; | 
|---|
| 151 |  | 
|---|
| 152 | resources = pdf_new_dict(ctx, doc, 2); | 
|---|
| 153 | contents = fz_new_buffer(ctx, 1024); | 
|---|
| 154 |  | 
|---|
| 155 | stm = fz_open_file(ctx, input); | 
|---|
| 156 | while (fz_read_line(ctx, stm, line, sizeof line)) | 
|---|
| 157 | { | 
|---|
| 158 | if (line[0] == '%' && line[1] == '%') | 
|---|
| 159 | { | 
|---|
| 160 | p = line; | 
|---|
| 161 | s = fz_strsep(&p, " "); | 
|---|
| 162 | if (!strcmp(s, "%%MediaBox")) | 
|---|
| 163 | { | 
|---|
| 164 | mediabox.x0 = fz_atoi(fz_strsep(&p, " ")); | 
|---|
| 165 | mediabox.y0 = fz_atoi(fz_strsep(&p, " ")); | 
|---|
| 166 | mediabox.x1 = fz_atoi(fz_strsep(&p, " ")); | 
|---|
| 167 | mediabox.y1 = fz_atoi(fz_strsep(&p, " ")); | 
|---|
| 168 | } | 
|---|
| 169 | else if (!strcmp(s, "%%Rotate")) | 
|---|
| 170 | { | 
|---|
| 171 | rotate = fz_atoi(fz_strsep(&p, " ")); | 
|---|
| 172 | } | 
|---|
| 173 | else if (!strcmp(s, "%%Font")) | 
|---|
| 174 | { | 
|---|
| 175 | char *name = fz_strsep(&p, " "); | 
|---|
| 176 | char *path = fz_strsep(&p, " "); | 
|---|
| 177 | char *enc = fz_strsep(&p, " "); | 
|---|
| 178 | if (!name || !path) | 
|---|
| 179 | fz_throw(ctx, FZ_ERROR_GENERIC, "Font directive missing arguments"); | 
|---|
| 180 | add_font_res(resources, name, path, enc); | 
|---|
| 181 | } | 
|---|
| 182 | else if (!strcmp(s, "%%CJKFont")) | 
|---|
| 183 | { | 
|---|
| 184 | char *name = fz_strsep(&p, " "); | 
|---|
| 185 | char *lang = fz_strsep(&p, " "); | 
|---|
| 186 | char *wmode = fz_strsep(&p, " "); | 
|---|
| 187 | char *style = fz_strsep(&p, " "); | 
|---|
| 188 | if (!name || !lang) | 
|---|
| 189 | fz_throw(ctx, FZ_ERROR_GENERIC, "CJKFont directive missing arguments"); | 
|---|
| 190 | add_cjkfont_res(resources, name, lang, wmode, style); | 
|---|
| 191 | } | 
|---|
| 192 | else if (!strcmp(s, "%%Image")) | 
|---|
| 193 | { | 
|---|
| 194 | char *name = fz_strsep(&p, " "); | 
|---|
| 195 | char *path = fz_strsep(&p, " "); | 
|---|
| 196 | if (!name || !path) | 
|---|
| 197 | fz_throw(ctx, FZ_ERROR_GENERIC, "Image directive missing arguments"); | 
|---|
| 198 | add_image_res(resources, name, path); | 
|---|
| 199 | } | 
|---|
| 200 | } | 
|---|
| 201 | else | 
|---|
| 202 | { | 
|---|
| 203 | fz_append_string(ctx, contents, line); | 
|---|
| 204 | fz_append_byte(ctx, contents, '\n'); | 
|---|
| 205 | } | 
|---|
| 206 | } | 
|---|
| 207 | fz_drop_stream(ctx, stm); | 
|---|
| 208 |  | 
|---|
| 209 | page = pdf_add_page(ctx, doc, mediabox, rotate, resources, contents); | 
|---|
| 210 | pdf_insert_page(ctx, doc, -1, page); | 
|---|
| 211 | pdf_drop_obj(ctx, page); | 
|---|
| 212 |  | 
|---|
| 213 | fz_drop_buffer(ctx, contents); | 
|---|
| 214 | pdf_drop_obj(ctx, resources); | 
|---|
| 215 | } | 
|---|
| 216 |  | 
|---|
| 217 | int pdfcreate_main(int argc, char **argv) | 
|---|
| 218 | { | 
|---|
| 219 | pdf_write_options opts = pdf_default_write_options; | 
|---|
| 220 | char *output = "out.pdf"; | 
|---|
| 221 | char *flags = "compress"; | 
|---|
| 222 | int i, c; | 
|---|
| 223 |  | 
|---|
| 224 | while ((c = fz_getopt(argc, argv, "o:O:")) != -1) | 
|---|
| 225 | { | 
|---|
| 226 | switch (c) | 
|---|
| 227 | { | 
|---|
| 228 | case 'o': output = fz_optarg; break; | 
|---|
| 229 | case 'O': flags = fz_optarg; break; | 
|---|
| 230 | default: usage(); break; | 
|---|
| 231 | } | 
|---|
| 232 | } | 
|---|
| 233 |  | 
|---|
| 234 | if (fz_optind == argc) | 
|---|
| 235 | usage(); | 
|---|
| 236 |  | 
|---|
| 237 | ctx = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED); | 
|---|
| 238 | if (!ctx) | 
|---|
| 239 | { | 
|---|
| 240 | fprintf(stderr, "cannot initialise context\n"); | 
|---|
| 241 | exit(1); | 
|---|
| 242 | } | 
|---|
| 243 |  | 
|---|
| 244 | pdf_parse_write_options(ctx, &opts, flags); | 
|---|
| 245 |  | 
|---|
| 246 | doc = pdf_create_document(ctx); | 
|---|
| 247 |  | 
|---|
| 248 | for (i = fz_optind; i < argc; ++i) | 
|---|
| 249 | create_page(argv[i]); | 
|---|
| 250 |  | 
|---|
| 251 | pdf_save_document(ctx, doc, output, &opts); | 
|---|
| 252 |  | 
|---|
| 253 | pdf_drop_document(ctx, doc); | 
|---|
| 254 |  | 
|---|
| 255 | fz_flush_warnings(ctx); | 
|---|
| 256 | fz_drop_context(ctx); | 
|---|
| 257 | return 0; | 
|---|
| 258 | } | 
|---|
| 259 |  | 
|---|