Rev 5821 | Rev 7621 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4680 | right-hear | 1 | #include "fitz.h" |
| 2 | #include "mupdf.h" |
||
| 3 | #include "muxps.h" |
||
| 4 | #include "pdfapp.h" |
||
| 5 | |||
| 6 | #include |
||
| 7 | |||
| 8 | #define ZOOMSTEP 1.142857 |
||
| 9 | #define BEYOND_THRESHHOLD 40 |
||
| 10 | |||
| 11 | enum panning |
||
| 12 | { |
||
| 13 | DONT_PAN = 0, |
||
| 14 | PAN_TO_TOP, |
||
| 15 | PAN_TO_BOTTOM |
||
| 16 | }; |
||
| 17 | |||
| 18 | static void pdfapp_showpage(pdfapp_t *app, int loadpage, int drawpage, int repaint); |
||
| 19 | |||
| 20 | static void pdfapp_warn(pdfapp_t *app, const char *fmt, ...) |
||
| 21 | { |
||
| 22 | char buf[1024]; |
||
| 23 | va_list ap; |
||
| 24 | va_start(ap, fmt); |
||
| 25 | vsprintf(buf, fmt, ap); |
||
| 26 | va_end(ap); |
||
| 27 | winwarn(app, buf); |
||
| 28 | } |
||
| 29 | |||
| 30 | static void pdfapp_error(pdfapp_t *app, fz_error error) |
||
| 31 | { |
||
| 32 | winerror(app, error); |
||
| 33 | } |
||
| 34 | |||
| 35 | char *pdfapp_version(pdfapp_t *app) |
||
| 36 | { |
||
| 37 | return |
||
| 38 | "MuPDF 0.9\n" |
||
| 39 | "Copyright 2006-2011 Artifex Sofware, Inc.\n"; |
||
| 40 | } |
||
| 41 | |||
| 42 | char *pdfapp_usage(pdfapp_t *app) |
||
| 43 | { |
||
| 5821 | leency | 44 | return " "; |
| 45 | /* |
||
| 4680 | right-hear | 46 | "L\t\t-- rotate left\n" |
| 47 | "R\t\t-- rotate right\n" |
||
| 48 | "h\t\t-- scroll left\n" |
||
| 49 | "j down\t\t-- scroll down\n" |
||
| 50 | "k up\t\t-- scroll up\n" |
||
| 51 | "l\t\t-- scroll right\n" |
||
| 52 | "+\t\t-- zoom in\n" |
||
| 53 | "-\t\t-- zoom out\n" |
||
| 54 | "w\t\t-- shrinkwrap\n" |
||
| 55 | "r\t\t-- reload file\n" |
||
| 56 | ". pgdn right space\t-- next page\n" |
||
| 57 | ", pgup left b\t-- previous page\n" |
||
| 58 | ">\t\t-- next 10 pages\n" |
||
| 59 | "<\t\t-- back 10 pages\n" |
||
| 60 | "m\t\t-- mark page for snap back\n" |
||
| 61 | "t\t\t-- pop back to latest mark\n" |
||
| 62 | "1m\t\t-- mark page in register 1\n" |
||
| 63 | "1t\t\t-- go to page in register 1\n" |
||
| 64 | "123g\t\t-- go to page 123\n" |
||
| 65 | "/\t\t-- search for text\n" |
||
| 66 | "n\t\t-- find next search result\n" |
||
| 67 | "N\t\t-- find previous search result\n" |
||
| 68 | "c\t\t-- toggle between color and grayscale\n" |
||
| 5821 | leency | 69 | ; */ |
| 4680 | right-hear | 70 | } |
| 71 | |||
| 72 | void pdfapp_init(pdfapp_t *app) |
||
| 73 | { |
||
| 74 | memset(app, 0, sizeof(pdfapp_t)); |
||
| 75 | app->scrw = 640; |
||
| 76 | app->scrh = 480; |
||
| 77 | app->resolution = 72; |
||
| 78 | } |
||
| 79 | |||
| 80 | void pdfapp_invert(pdfapp_t *app, fz_bbox rect) |
||
| 81 | { |
||
| 82 | unsigned char *p; |
||
| 83 | int x, y, n; |
||
| 84 | |||
| 85 | int x0 = CLAMP(rect.x0 - app->image->x, 0, app->image->w - 1); |
||
| 86 | int x1 = CLAMP(rect.x1 - app->image->x, 0, app->image->w - 1); |
||
| 87 | int y0 = CLAMP(rect.y0 - app->image->y, 0, app->image->h - 1); |
||
| 88 | int y1 = CLAMP(rect.y1 - app->image->y, 0, app->image->h - 1); |
||
| 89 | |||
| 90 | for (y = y0; y < y1; y++) |
||
| 91 | { |
||
| 92 | p = app->image->samples + (y * app->image->w + x0) * app->image->n; |
||
| 93 | for (x = x0; x < x1; x++) |
||
| 94 | { |
||
| 95 | for (n = app->image->n; n > 0; n--, p++) |
||
| 96 | *p = 255 - *p; |
||
| 97 | } |
||
| 98 | } |
||
| 99 | } |
||
| 100 | |||
| 101 | static void pdfapp_open_pdf(pdfapp_t *app, char *filename, int fd) |
||
| 102 | { |
||
| 103 | fz_error error; |
||
| 104 | fz_stream *file; |
||
| 105 | char *password = ""; |
||
| 106 | fz_obj *obj; |
||
| 107 | fz_obj *info; |
||
| 108 | |||
| 109 | /* |
||
| 110 | * Open PDF and load xref table |
||
| 111 | */ |
||
| 112 | __menuet__debug_out("FZ OPEN\n"); |
||
| 113 | //file = fz_open_fd(fd); |
||
| 114 | __menuet__debug_out("FZ ready\n"); |
||
| 115 | error = pdf_open_xref(&app->xref, filename, NULL); |
||
| 116 | if (error){ |
||
| 117 | __menuet__debug_out("FZ can't open\n"); |
||
| 118 | pdfapp_error(app, fz_rethrow(error, "cannot open document '%s'", filename));} |
||
| 119 | fz_close(file); |
||
| 120 | |||
| 121 | /* |
||
| 122 | * Handle encrypted PDF files |
||
| 123 | */ |
||
| 124 | /* |
||
| 125 | if (pdf_needs_password(app->xref)) |
||
| 126 | { |
||
| 127 | int okay = pdf_authenticate_password(app->xref, password); |
||
| 128 | while (!okay) |
||
| 129 | { |
||
| 130 | password = winpassword(app, filename); |
||
| 131 | if (!password) |
||
| 132 | exit(1); |
||
| 133 | okay = pdf_authenticate_password(app->xref, password); |
||
| 134 | if (!okay) |
||
| 135 | pdfapp_warn(app, "Invalid password."); |
||
| 136 | } |
||
| 137 | } |
||
| 138 | * */ |
||
| 139 | |||
| 140 | /* |
||
| 141 | * Load meta information |
||
| 142 | */ |
||
| 143 | |||
| 144 | /* |
||
| 145 | app->outline = pdf_load_outline(app->xref); |
||
| 146 | |||
| 147 | app->doctitle = filename; |
||
| 148 | if (strrchr(app->doctitle, '\\')) |
||
| 149 | app->doctitle = strrchr(app->doctitle, '\\') + 1; |
||
| 150 | if (strrchr(app->doctitle, '/')) |
||
| 151 | app->doctitle = strrchr(app->doctitle, '/') + 1; |
||
| 152 | info = fz_dict_gets(app->xref->trailer, "Info"); |
||
| 153 | if (info) |
||
| 154 | { |
||
| 155 | obj = fz_dict_gets(info, "Title"); |
||
| 156 | if (obj) |
||
| 157 | app->doctitle = pdf_to_utf8(obj); |
||
| 158 | } */ |
||
| 159 | |||
| 160 | /* |
||
| 161 | * Start at first page |
||
| 162 | */ |
||
| 163 | __menuet__debug_out("Start at first page\n"); |
||
| 164 | |||
| 165 | error = pdf_load_page_tree(app->xref); |
||
| 166 | if (error) { |
||
| 167 | __menuet__debug_out("Can't load tree\n"); |
||
| 168 | pdfapp_error(app, fz_rethrow(error, "cannot load page tree"));} |
||
| 169 | |||
| 170 | __menuet__debug_out("Page counter\n"); |
||
| 171 | app->pagecount = pdf_count_pages(app->xref); |
||
| 172 | __menuet__debug_out("All is set!\n"); |
||
| 173 | } |
||
| 174 | |||
| 175 | static void pdfapp_open_xps(pdfapp_t *app, char *filename, int fd) |
||
| 176 | { |
||
| 177 | fz_error error; |
||
| 178 | fz_stream *file; |
||
| 179 | |||
| 180 | file = fz_open_fd(fd); |
||
| 181 | error = xps_open_stream(&app->xps, file); |
||
| 182 | if (error) |
||
| 183 | pdfapp_error(app, fz_rethrow(error, "cannot open document '%s'", filename)); |
||
| 184 | fz_close(file); |
||
| 185 | |||
| 186 | app->doctitle = filename; |
||
| 187 | |||
| 188 | app->pagecount = xps_count_pages(app->xps); |
||
| 189 | } |
||
| 190 | |||
| 191 | void pdfapp_open(pdfapp_t *app, char *filename, int fd, int reload) |
||
| 192 | { |
||
| 193 | if (strstr(filename, ".xps") || strstr(filename, ".XPS") || strstr(filename, ".rels")) |
||
| 194 | pdfapp_open_xps(app, filename, fd); |
||
| 195 | else |
||
| 196 | pdfapp_open_pdf(app, filename, fd); |
||
| 197 | |||
| 198 | app->cache = fz_new_glyph_cache(); |
||
| 199 | |||
| 200 | if (app->pageno < 1) |
||
| 201 | app->pageno = 1; |
||
| 202 | if (app->pageno > app->pagecount) |
||
| 203 | app->pageno = app->pagecount; |
||
| 204 | if (app->resolution < MINRES) |
||
| 205 | app->resolution = MINRES; |
||
| 206 | if (app->resolution > MAXRES) |
||
| 207 | app->resolution = MAXRES; |
||
| 208 | |||
| 209 | if (!reload) |
||
| 210 | { |
||
| 211 | app->shrinkwrap = 1; |
||
| 212 | app->rotate = 0; |
||
| 213 | app->panx = 0; |
||
| 214 | app->pany = 0; |
||
| 215 | } |
||
| 216 | |||
| 217 | pdfapp_showpage(app, 1, 1, 1); |
||
| 218 | } |
||
| 219 | |||
| 220 | void pdfapp_close(pdfapp_t *app) |
||
| 221 | { |
||
| 222 | if (app->cache) |
||
| 223 | fz_free_glyph_cache(app->cache); |
||
| 224 | app->cache = NULL; |
||
| 225 | |||
| 226 | if (app->image) |
||
| 227 | fz_drop_pixmap(app->image); |
||
| 228 | app->image = NULL; |
||
| 229 | |||
| 230 | if (app->outline) |
||
| 231 | pdf_free_outline(app->outline); |
||
| 232 | app->outline = NULL; |
||
| 233 | |||
| 234 | if (app->xref) |
||
| 235 | { |
||
| 236 | if (app->xref->store) |
||
| 237 | pdf_free_store(app->xref->store); |
||
| 238 | app->xref->store = NULL; |
||
| 239 | |||
| 240 | pdf_free_xref(app->xref); |
||
| 241 | app->xref = NULL; |
||
| 242 | } |
||
| 243 | |||
| 244 | if (app->xps) |
||
| 245 | { |
||
| 246 | xps_free_context(app->xps); |
||
| 247 | app->xps = NULL; |
||
| 248 | } |
||
| 249 | |||
| 250 | fz_flush_warnings(); |
||
| 251 | } |
||
| 252 | |||
| 253 | static fz_matrix pdfapp_viewctm(pdfapp_t *app) |
||
| 254 | { |
||
| 255 | fz_matrix ctm; |
||
| 256 | ctm = fz_identity; |
||
| 257 | ctm = fz_concat(ctm, fz_translate(0, -app->page_bbox.y1)); |
||
| 258 | if (app->xref) |
||
| 259 | ctm = fz_concat(ctm, fz_scale(app->resolution/72.0f, -app->resolution/72.0f)); |
||
| 260 | else |
||
| 261 | ctm = fz_concat(ctm, fz_scale(app->resolution/96.0f, app->resolution/96.0f)); |
||
| 262 | ctm = fz_concat(ctm, fz_rotate(app->rotate + app->page_rotate)); |
||
| 263 | return ctm; |
||
| 264 | } |
||
| 265 | |||
| 266 | static void pdfapp_panview(pdfapp_t *app, int newx, int newy) |
||
| 267 | { |
||
| 268 | if (newx < 0) |
||
| 269 | newx = 0; |
||
| 270 | if (newy < 0) |
||
| 271 | newy = 0; |
||
| 272 | |||
| 273 | if (newx + app->image->w < app->winw) |
||
| 274 | newx = app->winw - app->image->w; |
||
| 275 | if (newy + app->image->h < app->winh) |
||
| 276 | newy = app->winh - app->image->h; |
||
| 277 | |||
| 278 | if (app->winw >= app->image->w) |
||
| 279 | newx = (app->winw - app->image->w) / 2; |
||
| 280 | if (app->winh >= app->image->h) |
||
| 281 | newy = (app->winh - app->image->h) / 2; |
||
| 282 | |||
| 283 | if (newx != app->panx || newy != app->pany) |
||
| 284 | winrepaint(app); |
||
| 285 | |||
| 286 | if (newy > app->image->h) { |
||
| 287 | |||
| 288 | app->pageno++; |
||
| 289 | |||
| 290 | |||
| 291 | if (app->pageno > app->pagecount) |
||
| 292 | app->pageno = app->pagecount; |
||
| 293 | |||
| 294 | |||
| 295 | newy = 0; |
||
| 296 | app->pany = newy; |
||
| 297 | |||
| 298 | pdfapp_showpage(app, 1, 1, 1); |
||
| 299 | } |
||
| 300 | |||
| 301 | app->panx = newx; |
||
| 302 | app->pany = newy; |
||
| 303 | } |
||
| 304 | |||
| 305 | static void pdfapp_loadpage_pdf(pdfapp_t *app) |
||
| 306 | { |
||
| 307 | pdf_page *page; |
||
| 308 | fz_error error; |
||
| 309 | fz_device *mdev; |
||
| 310 | |||
| 311 | error = pdf_load_page(&page, app->xref, app->pageno - 1); |
||
| 312 | if (error) |
||
| 313 | pdfapp_error(app, error); |
||
| 314 | |||
| 315 | app->page_bbox = page->mediabox; |
||
| 316 | app->page_rotate = page->rotate; |
||
| 317 | app->page_links = page->links; |
||
| 318 | page->links = NULL; |
||
| 319 | |||
| 320 | /* Create display list */ |
||
| 321 | app->page_list = fz_new_display_list(); |
||
| 322 | mdev = fz_new_list_device(app->page_list); |
||
| 323 | error = pdf_run_page(app->xref, page, mdev, fz_identity); |
||
| 324 | if (error) |
||
| 325 | { |
||
| 326 | error = fz_rethrow(error, "cannot draw page %d in '%s'", app->pageno, app->doctitle); |
||
| 327 | pdfapp_error(app, error); |
||
| 328 | } |
||
| 329 | fz_free_device(mdev); |
||
| 330 | |||
| 331 | pdf_free_page(page); |
||
| 332 | |||
| 333 | pdf_age_store(app->xref->store, 3); |
||
| 334 | } |
||
| 335 | |||
| 336 | static void pdfapp_loadpage_xps(pdfapp_t *app) |
||
| 337 | { |
||
| 338 | xps_page *page; |
||
| 339 | fz_device *mdev; |
||
| 340 | fz_error error; |
||
| 341 | |||
| 342 | error = xps_load_page(&page, app->xps, app->pageno - 1); |
||
| 343 | if (error) |
||
| 344 | pdfapp_error(app, fz_rethrow(error, "cannot load page %d in file '%s'", app->pageno, app->doctitle)); |
||
| 345 | |||
| 346 | app->page_bbox.x0 = 0; |
||
| 347 | app->page_bbox.y0 = 0; |
||
| 348 | app->page_bbox.x1 = page->width; |
||
| 349 | app->page_bbox.y1 = page->height; |
||
| 350 | app->page_rotate = 0; |
||
| 351 | app->page_links = NULL; |
||
| 352 | |||
| 353 | /* Create display list */ |
||
| 354 | app->page_list = fz_new_display_list(); |
||
| 355 | mdev = fz_new_list_device(app->page_list); |
||
| 356 | app->xps->dev = mdev; |
||
| 357 | xps_parse_fixed_page(app->xps, fz_identity, page); |
||
| 358 | app->xps->dev = NULL; |
||
| 359 | fz_free_device(mdev); |
||
| 360 | |||
| 361 | xps_free_page(app->xps, page); |
||
| 362 | } |
||
| 363 | |||
| 364 | static void pdfapp_showpage(pdfapp_t *app, int loadpage, int drawpage, int repaint) |
||
| 365 | { |
||
| 366 | char buf[256]; |
||
| 367 | fz_device *idev; |
||
| 368 | fz_device *tdev; |
||
| 369 | fz_colorspace *colorspace; |
||
| 370 | fz_matrix ctm; |
||
| 371 | fz_bbox bbox; |
||
| 372 | |||
| 373 | wincursor(app, WAIT); |
||
| 374 | |||
| 375 | if (loadpage) |
||
| 376 | { |
||
| 377 | if (app->page_list) |
||
| 378 | fz_free_display_list(app->page_list); |
||
| 379 | if (app->page_text) |
||
| 380 | fz_free_text_span(app->page_text); |
||
| 381 | if (app->page_links) |
||
| 382 | pdf_free_link(app->page_links); |
||
| 383 | |||
| 384 | if (app->xref) |
||
| 385 | pdfapp_loadpage_pdf(app); |
||
| 386 | if (app->xps) |
||
| 387 | pdfapp_loadpage_xps(app); |
||
| 388 | |||
| 389 | /* Zero search hit position */ |
||
| 390 | app->hit = -1; |
||
| 391 | app->hitlen = 0; |
||
| 392 | |||
| 393 | /* Extract text */ |
||
| 394 | app->page_text = fz_new_text_span(); |
||
| 395 | tdev = fz_new_text_device(app->page_text); |
||
| 396 | fz_execute_display_list(app->page_list, tdev, fz_identity, fz_infinite_bbox); |
||
| 397 | fz_free_device(tdev); |
||
| 398 | } |
||
| 399 | |||
| 400 | if (drawpage) |
||
| 401 | { |
||
| 5508 | leency | 402 | // sprintf(buf, "%s - %d/%d (%d dpi)", app->doctitle, |
| 403 | // app->pageno, app->pagecount, app->resolution); |
||
| 404 | // wintitle(app, buf); |
||
| 4680 | right-hear | 405 | |
| 406 | ctm = pdfapp_viewctm(app); |
||
| 407 | bbox = fz_round_rect(fz_transform_rect(ctm, app->page_bbox)); |
||
| 408 | |||
| 409 | /* Draw */ |
||
| 410 | if (app->image) |
||
| 411 | fz_drop_pixmap(app->image); |
||
| 412 | if (app->grayscale) |
||
| 413 | colorspace = fz_device_gray; |
||
| 414 | else |
||
| 415 | //#ifdef _WIN32 |
||
| 416 | colorspace = fz_device_bgr; |
||
| 417 | //#else |
||
| 418 | // colorspace = fz_device_rgb; |
||
| 419 | //#endif |
||
| 420 | app->image = fz_new_pixmap_with_rect(colorspace, bbox); |
||
| 421 | fz_clear_pixmap_with_color(app->image, 255); |
||
| 422 | idev = fz_new_draw_device(app->cache, app->image); |
||
| 423 | fz_execute_display_list(app->page_list, idev, ctm, bbox); |
||
| 424 | fz_free_device(idev); |
||
| 425 | } |
||
| 426 | |||
| 427 | if (repaint) |
||
| 428 | { |
||
| 429 | pdfapp_panview(app, app->panx, app->pany); |
||
| 430 | |||
| 431 | if (app->shrinkwrap) |
||
| 432 | { |
||
| 7475 | leency | 433 | //__menuet__debug_out ("SHRINK\n"); |
| 4680 | right-hear | 434 | int w = app->image->w; |
| 435 | int h = app->image->h; |
||
| 436 | if (app->winw == w) |
||
| 437 | app->panx = 0; |
||
| 438 | if (app->winh == h) |
||
| 439 | app->pany = 0; |
||
| 440 | if (w > app->scrw * 90 / 100) |
||
| 441 | w = app->scrw * 90 / 100; |
||
| 442 | if (h > app->scrh * 90 / 100) |
||
| 443 | h = app->scrh * 90 / 100; |
||
| 444 | if (w != app->winw || h != app->winh) |
||
| 445 | winresize(app, w, h); |
||
| 446 | } |
||
| 447 | |||
| 448 | winrepaint(app); |
||
| 449 | |||
| 450 | wincursor(app, ARROW); |
||
| 451 | } |
||
| 452 | |||
| 453 | fz_flush_warnings(); |
||
| 454 | } |
||
| 455 | |||
| 456 | static void pdfapp_gotouri(pdfapp_t *app, fz_obj *uri) |
||
| 457 | { |
||
| 458 | char *buf; |
||
| 459 | buf = fz_malloc(fz_to_str_len(uri) + 1); |
||
| 460 | memcpy(buf, fz_to_str_buf(uri), fz_to_str_len(uri)); |
||
| 461 | buf[fz_to_str_len(uri)] = 0; |
||
| 462 | winopenuri(app, buf); |
||
| 463 | fz_free(buf); |
||
| 464 | } |
||
| 465 | |||
| 466 | static void pdfapp_gotopage(pdfapp_t *app, fz_obj *obj) |
||
| 467 | { |
||
| 468 | int number; |
||
| 469 | |||
| 470 | number = pdf_find_page_number(app->xref, obj); |
||
| 471 | if (number < 0) |
||
| 472 | return; |
||
| 473 | |||
| 474 | if (app->histlen + 1 == 256) |
||
| 475 | { |
||
| 476 | memmove(app->hist, app->hist + 1, sizeof(int) * 255); |
||
| 477 | app->histlen --; |
||
| 478 | } |
||
| 479 | app->hist[app->histlen++] = app->pageno; |
||
| 480 | app->pageno = number + 1; |
||
| 481 | pdfapp_showpage(app, 1, 1, 1); |
||
| 482 | } |
||
| 483 | |||
| 484 | static inline fz_bbox bboxcharat(fz_text_span *span, int idx) |
||
| 485 | { |
||
| 486 | int ofs = 0; |
||
| 487 | while (span) |
||
| 488 | { |
||
| 489 | if (idx < ofs + span->len) |
||
| 490 | return span->text[idx - ofs].bbox; |
||
| 491 | if (span->eol) |
||
| 492 | { |
||
| 493 | if (idx == ofs + span->len) |
||
| 494 | return fz_empty_bbox; |
||
| 495 | ofs ++; |
||
| 496 | } |
||
| 497 | ofs += span->len; |
||
| 498 | span = span->next; |
||
| 499 | } |
||
| 500 | return fz_empty_bbox; |
||
| 501 | } |
||
| 502 | |||
| 503 | void pdfapp_inverthit(pdfapp_t *app) |
||
| 504 | { |
||
| 505 | fz_bbox hitbox, bbox; |
||
| 506 | fz_matrix ctm; |
||
| 507 | int i; |
||
| 508 | |||
| 509 | if (app->hit < 0) |
||
| 510 | return; |
||
| 511 | |||
| 512 | hitbox = fz_empty_bbox; |
||
| 513 | ctm = pdfapp_viewctm(app); |
||
| 514 | |||
| 515 | for (i = app->hit; i < app->hit + app->hitlen; i++) |
||
| 516 | { |
||
| 517 | bbox = bboxcharat(app->page_text, i); |
||
| 518 | if (fz_is_empty_rect(bbox)) |
||
| 519 | { |
||
| 520 | if (!fz_is_empty_rect(hitbox)) |
||
| 521 | pdfapp_invert(app, fz_transform_bbox(ctm, hitbox)); |
||
| 522 | hitbox = fz_empty_bbox; |
||
| 523 | } |
||
| 524 | else |
||
| 525 | { |
||
| 526 | hitbox = fz_union_bbox(hitbox, bbox); |
||
| 527 | } |
||
| 528 | } |
||
| 529 | |||
| 530 | if (!fz_is_empty_rect(hitbox)) |
||
| 531 | pdfapp_invert(app, fz_transform_bbox(ctm, hitbox)); |
||
| 532 | } |
||
| 533 | |||
| 534 | static inline int charat(fz_text_span *span, int idx) |
||
| 535 | { |
||
| 536 | int ofs = 0; |
||
| 537 | while (span) |
||
| 538 | { |
||
| 539 | if (idx < ofs + span->len) |
||
| 540 | return span->text[idx - ofs].c; |
||
| 541 | if (span->eol) |
||
| 542 | { |
||
| 543 | if (idx == ofs + span->len) |
||
| 544 | return ' '; |
||
| 545 | ofs ++; |
||
| 546 | } |
||
| 547 | ofs += span->len; |
||
| 548 | span = span->next; |
||
| 549 | } |
||
| 550 | return 0; |
||
| 551 | } |
||
| 552 | |||
| 553 | static int textlen(fz_text_span *span) |
||
| 554 | { |
||
| 555 | int len = 0; |
||
| 556 | while (span) |
||
| 557 | { |
||
| 558 | len += span->len; |
||
| 559 | if (span->eol) |
||
| 560 | len ++; |
||
| 561 | span = span->next; |
||
| 562 | } |
||
| 563 | return len; |
||
| 564 | } |
||
| 565 | |||
| 566 | static int match(char *s, fz_text_span *span, int n) |
||
| 567 | { |
||
| 568 | int orig = n; |
||
| 569 | int c; |
||
| 570 | while ((c = *s++)) |
||
| 571 | { |
||
| 572 | if (c == ' ' && charat(span, n) == ' ') |
||
| 573 | { |
||
| 574 | while (charat(span, n) == ' ') |
||
| 575 | n++; |
||
| 576 | } |
||
| 577 | else |
||
| 578 | { |
||
| 579 | if (tolower(c) != tolower(charat(span, n))) |
||
| 580 | return 0; |
||
| 581 | n++; |
||
| 582 | } |
||
| 583 | } |
||
| 584 | return n - orig; |
||
| 585 | } |
||
| 586 | |||
| 587 | static void pdfapp_searchforward(pdfapp_t *app, enum panning *panto) |
||
| 588 | { |
||
| 589 | int matchlen; |
||
| 590 | int test; |
||
| 591 | int len; |
||
| 592 | int startpage; |
||
| 593 | |||
| 594 | wincursor(app, WAIT); |
||
| 595 | |||
| 596 | startpage = app->pageno; |
||
| 597 | |||
| 598 | do |
||
| 599 | { |
||
| 600 | len = textlen(app->page_text); |
||
| 601 | |||
| 602 | if (app->hit >= 0) |
||
| 603 | test = app->hit + strlen(app->search); |
||
| 604 | else |
||
| 605 | test = 0; |
||
| 606 | |||
| 607 | while (test < len) |
||
| 608 | { |
||
| 609 | matchlen = match(app->search, app->page_text, test); |
||
| 610 | if (matchlen) |
||
| 611 | { |
||
| 612 | app->hit = test; |
||
| 613 | app->hitlen = matchlen; |
||
| 614 | wincursor(app, HAND); |
||
| 615 | winrepaint(app); |
||
| 616 | return; |
||
| 617 | } |
||
| 618 | test++; |
||
| 619 | } |
||
| 620 | |||
| 621 | app->pageno++; |
||
| 622 | if (app->pageno > app->pagecount) |
||
| 623 | app->pageno = 1; |
||
| 624 | |||
| 625 | pdfapp_showpage(app, 1, 0, 0); |
||
| 626 | *panto = PAN_TO_TOP; |
||
| 627 | |||
| 628 | } while (app->pageno != startpage); |
||
| 629 | |||
| 630 | if (app->pageno == startpage) |
||
| 631 | { |
||
| 632 | pdfapp_warn(app, "String '%s' not found.", app->search); |
||
| 633 | winrepaintsearch(app); |
||
| 634 | } |
||
| 635 | else |
||
| 636 | winrepaint(app); |
||
| 637 | |||
| 638 | wincursor(app, HAND); |
||
| 639 | } |
||
| 640 | |||
| 641 | static void pdfapp_searchbackward(pdfapp_t *app, enum panning *panto) |
||
| 642 | { |
||
| 643 | int matchlen; |
||
| 644 | int test; |
||
| 645 | int len; |
||
| 646 | int startpage; |
||
| 647 | |||
| 648 | wincursor(app, WAIT); |
||
| 649 | |||
| 650 | startpage = app->pageno; |
||
| 651 | |||
| 652 | do |
||
| 653 | { |
||
| 654 | len = textlen(app->page_text); |
||
| 655 | |||
| 656 | if (app->hit >= 0) |
||
| 657 | test = app->hit - 1; |
||
| 658 | else |
||
| 659 | test = len; |
||
| 660 | |||
| 661 | while (test >= 0) |
||
| 662 | { |
||
| 663 | matchlen = match(app->search, app->page_text, test); |
||
| 664 | if (matchlen) |
||
| 665 | { |
||
| 666 | app->hit = test; |
||
| 667 | app->hitlen = matchlen; |
||
| 668 | wincursor(app, HAND); |
||
| 669 | winrepaint(app); |
||
| 670 | return; |
||
| 671 | } |
||
| 672 | test--; |
||
| 673 | } |
||
| 674 | |||
| 675 | app->pageno--; |
||
| 676 | if (app->pageno < 1) |
||
| 677 | app->pageno = app->pagecount; |
||
| 678 | |||
| 679 | pdfapp_showpage(app, 1, 0, 0); |
||
| 680 | *panto = PAN_TO_BOTTOM; |
||
| 681 | |||
| 682 | } while (app->pageno != startpage); |
||
| 683 | |||
| 684 | if (app->pageno == startpage) |
||
| 685 | { |
||
| 686 | pdfapp_warn(app, "String '%s' not found.", app->search); |
||
| 687 | winrepaintsearch(app); |
||
| 688 | } |
||
| 689 | else |
||
| 690 | winrepaint(app); |
||
| 691 | |||
| 692 | wincursor(app, HAND); |
||
| 693 | } |
||
| 694 | |||
| 695 | void pdfapp_onresize(pdfapp_t *app, int w, int h) |
||
| 696 | { |
||
| 697 | if (app->winw != w || app->winh != h) |
||
| 698 | { |
||
| 699 | app->winw = w; |
||
| 700 | app->winh = h; |
||
| 701 | pdfapp_panview(app, app->panx, app->pany); |
||
| 702 | winrepaint(app); |
||
| 703 | } |
||
| 704 | } |
||
| 705 | |||
| 706 | void pdfapp_onkey(pdfapp_t *app, int c) |
||
| 707 | { |
||
| 708 | int oldpage = app->pageno; |
||
| 709 | enum panning panto = PAN_TO_TOP; |
||
| 710 | int loadpage = 1; |
||
| 711 | |||
| 712 | if (app->isediting) |
||
| 713 | { |
||
| 714 | int n = strlen(app->search); |
||
| 715 | if (c < ' ') |
||
| 716 | { |
||
| 717 | if (c == '\b' && n > 0) |
||
| 718 | { |
||
| 719 | app->search[n - 1] = 0; |
||
| 720 | winrepaintsearch(app); |
||
| 721 | } |
||
| 722 | if (c == '\n' || c == '\r') |
||
| 723 | { |
||
| 724 | app->isediting = 0; |
||
| 725 | if (n > 0) |
||
| 726 | { |
||
| 727 | winrepaintsearch(app); |
||
| 728 | pdfapp_onkey(app, 'n'); |
||
| 729 | } |
||
| 730 | else |
||
| 731 | winrepaint(app); |
||
| 732 | } |
||
| 733 | if (c == '\033') |
||
| 734 | { |
||
| 735 | app->isediting = 0; |
||
| 736 | winrepaint(app); |
||
| 737 | } |
||
| 738 | } |
||
| 739 | else |
||
| 740 | { |
||
| 741 | if (n + 2 < sizeof app->search) |
||
| 742 | { |
||
| 743 | app->search[n] = c; |
||
| 744 | app->search[n + 1] = 0; |
||
| 745 | winrepaintsearch(app); |
||
| 746 | } |
||
| 747 | } |
||
| 748 | return; |
||
| 749 | } |
||
| 750 | |||
| 751 | /* |
||
| 752 | * Save numbers typed for later |
||
| 753 | */ |
||
| 754 | |||
| 755 | if (c >= '0' && c <= '9') |
||
| 756 | { |
||
| 757 | app->number[app->numberlen++] = c; |
||
| 758 | app->number[app->numberlen] = '\0'; |
||
| 759 | } |
||
| 760 | |||
| 761 | switch (c) |
||
| 762 | { |
||
| 763 | |||
| 764 | case '?': |
||
| 765 | winhelp(app); |
||
| 766 | break; |
||
| 767 | |||
| 768 | case 'q': |
||
| 769 | winclose(app); |
||
| 770 | break; |
||
| 771 | |||
| 772 | /* |
||
| 773 | * Zoom and rotate |
||
| 774 | */ |
||
| 775 | |||
| 776 | case '+': |
||
| 777 | case '=': |
||
| 778 | app->resolution *= ZOOMSTEP; |
||
| 779 | if (app->resolution > MAXRES) |
||
| 780 | app->resolution = MAXRES; |
||
| 781 | pdfapp_showpage(app, 0, 1, 1); |
||
| 782 | break; |
||
| 783 | case '-': |
||
| 784 | app->resolution /= ZOOMSTEP; |
||
| 785 | if (app->resolution < MINRES) |
||
| 786 | app->resolution = MINRES; |
||
| 787 | pdfapp_showpage(app, 0, 1, 1); |
||
| 788 | break; |
||
| 789 | |||
| 790 | case 'L': |
||
| 791 | app->rotate -= 90; |
||
| 792 | pdfapp_showpage(app, 0, 1, 1); |
||
| 793 | break; |
||
| 794 | case 'R': |
||
| 795 | app->rotate += 90; |
||
| 796 | pdfapp_showpage(app, 0, 1, 1); |
||
| 797 | break; |
||
| 798 | |||
| 799 | case 'c': |
||
| 800 | app->grayscale ^= 1; |
||
| 801 | pdfapp_showpage(app, 0, 1, 1); |
||
| 802 | break; |
||
| 803 | |||
| 804 | #ifndef NDEBUG |
||
| 805 | case 'a': |
||
| 806 | app->rotate -= 15; |
||
| 807 | pdfapp_showpage(app, 0, 1, 1); |
||
| 808 | break; |
||
| 809 | case 's': |
||
| 810 | app->rotate += 15; |
||
| 811 | pdfapp_showpage(app, 0, 1, 1); |
||
| 812 | break; |
||
| 813 | #endif |
||
| 814 | |||
| 815 | /* |
||
| 816 | * Pan view, but dont need to repaint image |
||
| 817 | */ |
||
| 818 | |||
| 819 | case 'w': |
||
| 820 | app->shrinkwrap = 1; |
||
| 821 | app->panx = app->pany = 0; |
||
| 822 | pdfapp_showpage(app, 0, 0, 1); |
||
| 823 | break; |
||
| 824 | |||
| 825 | case 'h': |
||
| 826 | app->panx += app->image->w / 10; |
||
| 827 | pdfapp_showpage(app, 0, 0, 1); |
||
| 828 | break; |
||
| 829 | |||
| 830 | case 'j': |
||
| 831 | app->pany -= app->image->h / 10; |
||
| 832 | pdfapp_showpage(app, 0, 0, 1); |
||
| 833 | break; |
||
| 834 | |||
| 835 | case 'k': |
||
| 836 | app->pany += app->image->h / 10; |
||
| 837 | pdfapp_showpage(app, 0, 0, 1); |
||
| 838 | break; |
||
| 839 | |||
| 840 | case 'l': |
||
| 841 | app->panx -= app->image->w / 10; |
||
| 842 | pdfapp_showpage(app, 0, 0, 1); |
||
| 843 | break; |
||
| 844 | |||
| 845 | /* |
||
| 846 | * Page navigation |
||
| 847 | */ |
||
| 848 | |||
| 849 | case 'g': |
||
| 850 | case '\n': |
||
| 851 | case '\r': |
||
| 852 | if (app->numberlen > 0) |
||
| 853 | app->pageno = atoi(app->number); |
||
| 854 | else |
||
| 855 | app->pageno = 1; |
||
| 856 | break; |
||
| 857 | |||
| 858 | case 'G': |
||
| 859 | app->pageno = app->pagecount; |
||
| 860 | break; |
||
| 861 | |||
| 862 | case 'm': |
||
| 863 | if (app->numberlen > 0) |
||
| 864 | { |
||
| 865 | int idx = atoi(app->number); |
||
| 866 | |||
| 867 | if (idx >= 0 && idx < nelem(app->marks)) |
||
| 868 | app->marks[idx] = app->pageno; |
||
| 869 | } |
||
| 870 | else |
||
| 871 | { |
||
| 872 | if (app->histlen + 1 == 256) |
||
| 873 | { |
||
| 874 | memmove(app->hist, app->hist + 1, sizeof(int) * 255); |
||
| 875 | app->histlen --; |
||
| 876 | } |
||
| 877 | app->hist[app->histlen++] = app->pageno; |
||
| 878 | } |
||
| 879 | break; |
||
| 880 | |||
| 881 | case 't': |
||
| 882 | if (app->numberlen > 0) |
||
| 883 | { |
||
| 884 | int idx = atoi(app->number); |
||
| 885 | |||
| 886 | if (idx >= 0 && idx < nelem(app->marks)) |
||
| 887 | if (app->marks[idx] > 0) |
||
| 888 | app->pageno = app->marks[idx]; |
||
| 889 | } |
||
| 890 | else if (app->histlen > 0) |
||
| 891 | app->pageno = app->hist[--app->histlen]; |
||
| 892 | break; |
||
| 893 | |||
| 894 | /* |
||
| 895 | * Back and forth ... |
||
| 896 | */ |
||
| 897 | |||
| 898 | case ',': |
||
| 899 | panto = PAN_TO_BOTTOM; |
||
| 900 | if (app->numberlen > 0) |
||
| 901 | app->pageno -= atoi(app->number); |
||
| 902 | else |
||
| 903 | app->pageno--; |
||
| 904 | break; |
||
| 905 | |||
| 906 | case '.': |
||
| 907 | panto = PAN_TO_TOP; |
||
| 908 | if (app->numberlen > 0) |
||
| 909 | app->pageno += atoi(app->number); |
||
| 910 | else |
||
| 911 | app->pageno++; |
||
| 912 | break; |
||
| 913 | |||
| 914 | case 'b': |
||
| 915 | panto = DONT_PAN; |
||
| 916 | if (app->numberlen > 0) |
||
| 917 | app->pageno -= atoi(app->number); |
||
| 918 | else |
||
| 919 | app->pageno--; |
||
| 920 | break; |
||
| 921 | |||
| 922 | case ' ': |
||
| 923 | panto = DONT_PAN; |
||
| 924 | if (app->numberlen > 0) |
||
| 925 | app->pageno += atoi(app->number); |
||
| 926 | else |
||
| 927 | app->pageno++; |
||
| 928 | break; |
||
| 929 | |||
| 930 | case ']': |
||
| 931 | panto = PAN_TO_TOP; |
||
| 932 | app->pageno++; |
||
| 933 | break; |
||
| 934 | |||
| 935 | case '[': |
||
| 936 | panto = PAN_TO_TOP; |
||
| 937 | app->pageno--; |
||
| 938 | break; |
||
| 939 | |||
| 940 | |||
| 941 | case '<': |
||
| 942 | panto = PAN_TO_TOP; |
||
| 943 | app->pageno -= 10; |
||
| 944 | break; |
||
| 945 | case '>': |
||
| 946 | panto = PAN_TO_TOP; |
||
| 947 | app->pageno += 10; |
||
| 948 | break; |
||
| 949 | |||
| 950 | /* |
||
| 951 | * Reloading the file... |
||
| 952 | */ |
||
| 953 | |||
| 954 | case 'r': |
||
| 955 | panto = DONT_PAN; |
||
| 956 | oldpage = -1; |
||
| 957 | winreloadfile(app); |
||
| 958 | break; |
||
| 959 | |||
| 960 | /* |
||
| 961 | * Searching |
||
| 962 | */ |
||
| 963 | |||
| 964 | case '/': |
||
| 965 | app->isediting = 1; |
||
| 966 | app->search[0] = 0; |
||
| 967 | app->hit = -1; |
||
| 968 | app->hitlen = 0; |
||
| 969 | winrepaintsearch(app); |
||
| 970 | break; |
||
| 971 | |||
| 972 | case 'n': |
||
| 973 | pdfapp_searchforward(app, &panto); |
||
| 974 | loadpage = 0; |
||
| 975 | break; |
||
| 976 | |||
| 977 | case 'N': |
||
| 978 | pdfapp_searchbackward(app, &panto); |
||
| 979 | loadpage = 0; |
||
| 980 | break; |
||
| 981 | |||
| 982 | } |
||
| 983 | |||
| 984 | if (c < '0' || c > '9') |
||
| 985 | app->numberlen = 0; |
||
| 986 | |||
| 987 | if (app->pageno < 1) |
||
| 988 | app->pageno = 1; |
||
| 989 | if (app->pageno > app->pagecount) |
||
| 990 | app->pageno = app->pagecount; |
||
| 991 | |||
| 992 | if (app->pageno != oldpage) |
||
| 993 | { |
||
| 994 | switch (panto) |
||
| 995 | { |
||
| 996 | case PAN_TO_TOP: |
||
| 997 | app->pany = 0; |
||
| 998 | break; |
||
| 999 | case PAN_TO_BOTTOM: |
||
| 1000 | app->pany = -2000; |
||
| 1001 | break; |
||
| 1002 | case DONT_PAN: |
||
| 1003 | break; |
||
| 1004 | } |
||
| 1005 | pdfapp_showpage(app, loadpage, 1, 1); |
||
| 1006 | } |
||
| 1007 | } |
||
| 1008 | |||
| 1009 | void pdfapp_onmouse(pdfapp_t *app, int x, int y, int btn, int modifiers, int state) |
||
| 1010 | { |
||
| 1011 | pdf_link *link; |
||
| 1012 | fz_matrix ctm; |
||
| 1013 | fz_point p; |
||
| 1014 | |||
| 1015 | p.x = x - app->panx + app->image->x; |
||
| 1016 | p.y = y - app->pany + app->image->y; |
||
| 1017 | |||
| 1018 | ctm = pdfapp_viewctm(app); |
||
| 1019 | ctm = fz_invert_matrix(ctm); |
||
| 1020 | |||
| 1021 | p = fz_transform_point(ctm, p); |
||
| 1022 | |||
| 1023 | for (link = app->page_links; link; link = link->next) |
||
| 1024 | { |
||
| 1025 | if (p.x >= link->rect.x0 && p.x <= link->rect.x1) |
||
| 1026 | if (p.y >= link->rect.y0 && p.y <= link->rect.y1) |
||
| 1027 | break; |
||
| 1028 | } |
||
| 1029 | |||
| 1030 | if (link) |
||
| 1031 | { |
||
| 1032 | wincursor(app, HAND); |
||
| 1033 | if (btn == 1 && state == 1) |
||
| 1034 | { |
||
| 1035 | if (link->kind == PDF_LINK_URI) |
||
| 1036 | pdfapp_gotouri(app, link->dest); |
||
| 1037 | else if (link->kind == PDF_LINK_GOTO) |
||
| 1038 | pdfapp_gotopage(app, fz_array_get(link->dest, 0)); /* [ pageobj ... ] */ |
||
| 1039 | return; |
||
| 1040 | } |
||
| 1041 | } |
||
| 1042 | else |
||
| 1043 | { |
||
| 1044 | wincursor(app, ARROW); |
||
| 1045 | } |
||
| 1046 | |||
| 1047 | if (state == 1) |
||
| 1048 | { |
||
| 1049 | if (btn == 1 && !app->iscopying) |
||
| 1050 | { |
||
| 1051 | app->ispanning = 1; |
||
| 1052 | app->selx = x; |
||
| 1053 | app->sely = y; |
||
| 1054 | app->beyondy = 0; |
||
| 1055 | } |
||
| 1056 | if (btn == 3 && !app->ispanning) |
||
| 1057 | { |
||
| 1058 | app->iscopying = 1; |
||
| 1059 | app->selx = x; |
||
| 1060 | app->sely = y; |
||
| 1061 | app->selr.x0 = x; |
||
| 1062 | app->selr.x1 = x; |
||
| 1063 | app->selr.y0 = y; |
||
| 1064 | app->selr.y1 = y; |
||
| 1065 | } |
||
| 1066 | if (btn == 4 || btn == 5) /* scroll wheel */ |
||
| 1067 | { |
||
| 1068 | int dir = btn == 4 ? 1 : -1; |
||
| 1069 | app->ispanning = app->iscopying = 0; |
||
| 1070 | if (modifiers & (1<<2)) |
||
| 1071 | { |
||
| 1072 | /* zoom in/out if ctrl is pressed */ |
||
| 1073 | if (dir > 0) |
||
| 1074 | app->resolution *= ZOOMSTEP; |
||
| 1075 | else |
||
| 1076 | app->resolution /= ZOOMSTEP; |
||
| 1077 | if (app->resolution > MAXRES) |
||
| 1078 | app->resolution = MAXRES; |
||
| 1079 | if (app->resolution < MINRES) |
||
| 1080 | app->resolution = MINRES; |
||
| 1081 | pdfapp_showpage(app, 0, 1, 1); |
||
| 1082 | } |
||
| 1083 | else |
||
| 1084 | { |
||
| 1085 | /* scroll up/down, or left/right if |
||
| 1086 | shift is pressed */ |
||
| 1087 | int isx = (modifiers & (1<<0)); |
||
| 1088 | int xstep = isx ? 20 * dir : 0; |
||
| 1089 | int ystep = !isx ? 20 * dir : 0; |
||
| 1090 | pdfapp_panview(app, app->panx + xstep, app->pany + ystep); |
||
| 1091 | } |
||
| 1092 | } |
||
| 1093 | } |
||
| 1094 | |||
| 1095 | else if (state == -1) |
||
| 1096 | { |
||
| 1097 | if (app->iscopying) |
||
| 1098 | { |
||
| 1099 | app->iscopying = 0; |
||
| 1100 | app->selr.x0 = MIN(app->selx, x) - app->panx + app->image->x; |
||
| 1101 | app->selr.x1 = MAX(app->selx, x) - app->panx + app->image->x; |
||
| 1102 | app->selr.y0 = MIN(app->sely, y) - app->pany + app->image->y; |
||
| 1103 | app->selr.y1 = MAX(app->sely, y) - app->pany + app->image->y; |
||
| 1104 | winrepaint(app); |
||
| 1105 | if (app->selr.x0 < app->selr.x1 && app->selr.y0 < app->selr.y1) |
||
| 1106 | windocopy(app); |
||
| 1107 | } |
||
| 1108 | if (app->ispanning) |
||
| 1109 | app->ispanning = 0; |
||
| 1110 | } |
||
| 1111 | |||
| 1112 | else if (app->ispanning) |
||
| 1113 | { |
||
| 1114 | int newx = app->panx + x - app->selx; |
||
| 1115 | int newy = app->pany + y - app->sely; |
||
| 1116 | /* Scrolling beyond limits implies flipping pages */ |
||
| 1117 | /* Are we requested to scroll beyond limits? */ |
||
| 1118 | if (newy + app->image->h < app->winh || newy > 0) |
||
| 1119 | { |
||
| 1120 | /* Yes. We can assume that deltay != 0 */ |
||
| 1121 | int deltay = y - app->sely; |
||
| 1122 | /* Check whether the panning has occured in the |
||
| 1123 | * direction that we are already crossing the |
||
| 1124 | * limit it. If not, we can conclude that we |
||
| 1125 | * have switched ends of the page and will thus |
||
| 1126 | * start over counting. |
||
| 1127 | */ |
||
| 1128 | if( app->beyondy == 0 || (app->beyondy ^ deltay) >= 0 ) |
||
| 1129 | { |
||
| 1130 | /* Updating how far we are beyond and |
||
| 1131 | * flipping pages if beyond threshhold |
||
| 1132 | */ |
||
| 1133 | app->beyondy += deltay; |
||
| 1134 | if (app->beyondy > BEYOND_THRESHHOLD) |
||
| 1135 | { |
||
| 1136 | if( app->pageno > 1 ) |
||
| 1137 | { |
||
| 1138 | app->pageno--; |
||
| 1139 | pdfapp_showpage(app, 1, 1, 1); |
||
| 1140 | newy = -app->image->h; |
||
| 1141 | } |
||
| 1142 | app->beyondy = 0; |
||
| 1143 | } |
||
| 1144 | else if (app->beyondy < -BEYOND_THRESHHOLD) |
||
| 1145 | { |
||
| 1146 | if( app->pageno < app->pagecount ) |
||
| 1147 | { |
||
| 1148 | app->pageno++; |
||
| 1149 | pdfapp_showpage(app, 1, 1, 1); |
||
| 1150 | newy = 0; |
||
| 1151 | } |
||
| 1152 | app->beyondy = 0; |
||
| 1153 | } |
||
| 1154 | } |
||
| 1155 | else |
||
| 1156 | app->beyondy = 0; |
||
| 1157 | } |
||
| 1158 | /* Although at this point we've already determined that |
||
| 1159 | * or that no scrolling will be performed in |
||
| 1160 | * y-direction, the x-direction has not yet been taken |
||
| 1161 | * care off. Therefore |
||
| 1162 | */ |
||
| 1163 | pdfapp_panview(app, newx, newy); |
||
| 1164 | |||
| 1165 | app->selx = x; |
||
| 1166 | app->sely = y; |
||
| 1167 | } |
||
| 1168 | |||
| 1169 | else if (app->iscopying) |
||
| 1170 | { |
||
| 1171 | app->selr.x0 = MIN(app->selx, x) - app->panx + app->image->x; |
||
| 1172 | app->selr.x1 = MAX(app->selx, x) - app->panx + app->image->x; |
||
| 1173 | app->selr.y0 = MIN(app->sely, y) - app->pany + app->image->y; |
||
| 1174 | app->selr.y1 = MAX(app->sely, y) - app->pany + app->image->y; |
||
| 1175 | winrepaint(app); |
||
| 1176 | } |
||
| 1177 | |||
| 1178 | } |
||
| 1179 | |||
| 1180 | void pdfapp_oncopy(pdfapp_t *app, unsigned short *ucsbuf, int ucslen) |
||
| 1181 | { |
||
| 1182 | fz_bbox hitbox; |
||
| 1183 | fz_matrix ctm; |
||
| 1184 | fz_text_span *span; |
||
| 1185 | int c, i, p; |
||
| 1186 | int seen; |
||
| 1187 | |||
| 1188 | int x0 = app->selr.x0; |
||
| 1189 | int x1 = app->selr.x1; |
||
| 1190 | int y0 = app->selr.y0; |
||
| 1191 | int y1 = app->selr.y1; |
||
| 1192 | |||
| 1193 | ctm = pdfapp_viewctm(app); |
||
| 1194 | |||
| 1195 | p = 0; |
||
| 1196 | for (span = app->page_text; span; span = span->next) |
||
| 1197 | { |
||
| 1198 | seen = 0; |
||
| 1199 | |||
| 1200 | for (i = 0; i < span->len; i++) |
||
| 1201 | { |
||
| 1202 | hitbox = fz_transform_bbox(ctm, span->text[i].bbox); |
||
| 1203 | c = span->text[i].c; |
||
| 1204 | if (c < 32) |
||
| 1205 | c = '?'; |
||
| 1206 | if (hitbox.x1 >= x0 && hitbox.x0 <= x1 && hitbox.y1 >= y0 && hitbox.y0 <= y1) |
||
| 1207 | { |
||
| 1208 | if (p < ucslen - 1) |
||
| 1209 | ucsbuf[p++] = c; |
||
| 1210 | seen = 1; |
||
| 1211 | } |
||
| 1212 | } |
||
| 1213 | |||
| 1214 | if (seen && span->eol) |
||
| 1215 | { |
||
| 1216 | #ifdef _WIN32 |
||
| 1217 | if (p < ucslen - 1) |
||
| 1218 | ucsbuf[p++] = '\r'; |
||
| 1219 | #endif |
||
| 1220 | if (p < ucslen - 1) |
||
| 1221 | ucsbuf[p++] = '\n'; |
||
| 1222 | } |
||
| 1223 | } |
||
| 1224 | |||
| 1225 | ucsbuf[p] = 0; |
||
| 1226 | } |