static fz_document *
epub_init(fz_context *ctx, fz_archive *zip)
{
epub_document *doc;
doc = fz_new_document(ctx, epub_document);
doc->zip = zip;
doc->set = fz_new_html_font_set(ctx);
doc->super.drop_document = epub_drop_document;
doc->super.layout = epub_layout;
doc->super.load_outline = epub_load_outline;
doc->super.resolve_link = epub_resolve_link;
doc->super.count_pages = epub_count_pages;
doc->super.load_page = epub_load_page;
doc->super.lookup_metadata = epub_lookup_metadata;
doc->super.is_reflowable = 1;
fz_try(ctx)
{
epub_parse_header(ctx, doc);
}
fz_catch(ctx)
{
fz_drop_document(ctx, &doc->super);
fz_rethrow(ctx);
}
return (fz_document*)doc;
}
static tiff_document *
tiff_open_document_with_stream(fz_context *ctx, fz_stream *file)
{
tiff_document *doc;
doc = fz_new_document(ctx, tiff_document);
doc->super.drop_document = (fz_document_drop_fn *)tiff_drop_document;
doc->super.count_pages = (fz_document_count_pages_fn *)tiff_count_pages;
doc->super.load_page = (fz_document_load_page_fn *)tiff_load_page;
doc->super.lookup_metadata = (fz_document_lookup_metadata_fn *)tiff_lookup_metadata;
fz_try(ctx)
{
size_t len;
unsigned char *data;
doc->buffer = fz_read_all(ctx, file, 1024);
len = fz_buffer_storage(ctx, doc->buffer, &data);
doc->page_count = fz_load_tiff_subimage_count(ctx, data, len);
}
fz_catch(ctx)
{
fz_drop_document(ctx, &doc->super);
fz_rethrow(ctx);
}
return doc;
}
static void reload(void)
{
fz_drop_outline(ctx, outline);
fz_drop_document(ctx, doc);
doc = fz_open_document(ctx, filename);
if (fz_needs_password(ctx, doc))
{
if (!fz_authenticate_password(ctx, doc, password))
{
fprintf(stderr, "Invalid password.\n");
exit(1);
}
}
fz_layout_document(ctx, doc, layout_w, layout_h, layout_em);
fz_try(ctx)
outline = fz_load_outline(ctx, doc);
fz_catch(ctx)
outline = NULL;
pdf = pdf_specifics(ctx, doc);
if (pdf)
pdf_enable_js(ctx, pdf);
currentpage = fz_clampi(currentpage, 0, fz_count_pages(ctx, doc) - 1);
render_page();
update_title();
}
void
xps_drop_page_imp(fz_context *ctx, xps_page *page)
{
if (page == NULL)
return;
fz_drop_document(ctx, &page->doc->super);
fz_drop_xml(ctx, page->root);
}
MupdfBackend::~MupdfBackend() {
if (m_doc) {
fz_drop_document(m_ctx, m_doc);
m_doc = 0;
}
if (m_ctx) {
fz_drop_document_handler_context(m_ctx); // TODO: is this needed?
fz_drop_context(m_ctx);
m_ctx = 0;
}
}
Viewer::~Viewer() {
if (dev) {
fz_drop_device(ctx, dev);
}
if (pix) {
fz_drop_pixmap(ctx, pix);
}
if (page) {
fz_drop_page(ctx, page);
}
if (doc) {
fz_drop_document(ctx, doc);
}
if (ctx) {
fz_drop_context(ctx);
}
}
static int make_fake_doc(pdfapp_t *app)
{
fz_context *ctx = app->ctx;
pdf_document *pdf = NULL;
fz_buffer *contents = NULL;
pdf_obj *page_obj = NULL;
fz_var(contents);
fz_var(page_obj);
fz_try(ctx)
{
fz_rect mediabox = { 0, 0, app->winw, app->winh };
int i;
pdf = pdf_create_document(ctx);
contents = fz_new_buffer(ctx, 100);
fz_append_printf(ctx, contents, "1 0 0 RG %g w 0 0 m %g %g l 0 %g m %g 0 l s\n",
fz_min(mediabox.x1, mediabox.y1) / 20,
mediabox.x1, mediabox.y1,
mediabox.y1, mediabox.x1);
/* Create enough copies of our blank(ish) page so that the
* page number is preserved if and when a subsequent load
* works. */
page_obj = pdf_add_page(ctx, pdf, &mediabox, 0, NULL, contents);
for (i = 0; i < app->pagecount; i++)
pdf_insert_page(ctx, pdf, -1, page_obj);
}
fz_always(ctx)
{
pdf_drop_obj(ctx, page_obj);
fz_drop_buffer(ctx, contents);
}
fz_catch(ctx)
{
fz_drop_document(ctx, (fz_document *) pdf);
return 1;
}
app->doc = (fz_document*)pdf;
return 0;
}
fz_display_list *
fz_new_display_list_from_svg(fz_context *ctx, fz_buffer *buf, float *w, float *h)
{
fz_document *doc;
fz_display_list *list;
doc = svg_open_document_with_buffer(ctx, buf);
fz_try(ctx)
{
list = fz_new_display_list_from_page_number(ctx, doc, 0);
*w = ((svg_document*)doc)->width;
*h = ((svg_document*)doc)->height;
}
fz_always(ctx)
fz_drop_document(ctx, doc);
fz_catch(ctx)
fz_rethrow(ctx);
return list;
}
fz_document *
xps_open_document_with_stream(fz_context *ctx, fz_stream *file)
{
xps_document *doc;
doc = fz_malloc_struct(ctx, xps_document);
xps_init_document(ctx, doc);
fz_try(ctx)
{
doc->zip = fz_open_zip_archive_with_stream(ctx, file);
xps_read_page_list(ctx, doc);
}
fz_catch(ctx)
{
fz_drop_document(ctx, &doc->super);
fz_rethrow(ctx);
}
return (fz_document*)doc;
}
static fz_document *
xps_open_document_with_directory(fz_context *ctx, const char *directory)
{
xps_document *doc;
doc = fz_malloc_struct(ctx, xps_document);
xps_init_document(ctx, doc);
fz_try(ctx)
{
doc->zip = fz_open_directory(ctx, directory);
xps_read_page_list(ctx, doc);
}
fz_catch(ctx)
{
fz_drop_document(ctx, &doc->super);
fz_rethrow(ctx);
}
return (fz_document*)doc;
}
static fz_document *
cbz_open_document_with_stream(fz_context *ctx, fz_stream *file)
{
cbz_document *doc;
doc = fz_new_derived_document(ctx, cbz_document);
doc->super.drop_document = cbz_drop_document;
doc->super.count_pages = cbz_count_pages;
doc->super.load_page = cbz_load_page;
doc->super.lookup_metadata = cbz_lookup_metadata;
fz_try(ctx)
{
doc->arch = fz_open_archive_with_stream(ctx, file);
cbz_create_page_list(ctx, doc);
}
fz_catch(ctx)
{
fz_drop_document(ctx, (fz_document*)doc);
fz_rethrow(ctx);
}
return (fz_document*)doc;
}
int main(int argc, char **argv)
{
char *password = "";
fz_document *doc = NULL;
fz_context *ctx;
int c;
fz_var(ctx, doc);
while ((c = fz_getopt(argc, argv, "p:")) != -1)
{
switch (c)
{
default: usage(); break;
case 'p': password = fz_optarg; break;
}
}
if (fz_optind + 2 != argc)
usage();
filename = argv[fz_optind];
mujstest_filename = argv[fz_optind+1];
if (strcmp(mujstest_filename, "-") == 0)
mujstest_file = stdout;
else
mujstest_file = fopen(mujstest_filename, "wb");
ctx = fz_new_context(NULL, NULL, FZ_STORE_DEFAULT);
if (!ctx)
{
fprintf(stderr, "cannot initialise context\n");
exit(1);
}
fz_register_document_handlers(ctx);
fz_try(ctx)
{
doc = fz_open_document(ctx, filename);
if (fz_needs_password(doc))
{
if (!fz_authenticate_password(ctx, doc, password))
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot authenticate password: %s", filename);
fprintf(mujstest_file, "PASSWORD %s\n", password);
}
fprintf(mujstest_file, "OPEN %s\n", filename);
processpages(ctx, doc);
fz_drop_document(ctx, doc);
}
fz_catch(ctx)
{
fprintf(stderr, "mjsgen: cannot process document: %s\n", filename);
return 1;
}
fclose(mujstest_file);
fz_drop_context(ctx);
return 0;
}
int main(int argc, char **argv)
{
char *filename = argc >= 2 ? argv[1] : "";
pthread_t *thread = NULL;
fz_locks_context locks;
pthread_mutex_t mutex[FZ_LOCK_MAX];
fz_context *ctx;
fz_document *doc;
int threads;
int i;
// Initialize FZ_LOCK_MAX number of non-recursive mutexes.
for (i = 0; i < FZ_LOCK_MAX; i++)
{
if (pthread_mutex_init(&mutex[i], NULL) != 0)
fail("pthread_mutex_init()");
}
// Initialize the locking structure with function pointers to
// the locking functions and to the user data. In this case
// the user data is a pointer to the array of mutexes so the
// locking functions can find the relevant lock to change when
// they are called. This way we avoid global variables.
locks.user = mutex;
locks.lock = lock_mutex;
locks.unlock = unlock_mutex;
// This is the main threads context function, so supply the
// locking structure. This context will be used to parse all
// the pages from the document.
ctx = fz_new_context(NULL, &locks, FZ_STORE_UNLIMITED);
// Register default file types.
fz_register_document_handlers(ctx);
// Open the PDF, XPS or CBZ document. Note, this binds doc to ctx.
// You must only ever use doc with ctx - never a clone of it!
doc = fz_open_document(ctx, filename);
// Retrieve the number of pages, which translates to the
// number of threads used for rendering pages.
threads = fz_count_pages(ctx, doc);
fprintf(stderr, "spawning %d threads, one per page...\n", threads);
thread = malloc(threads * sizeof (pthread_t));
for (i = 0; i < threads; i++)
{
fz_page *page;
fz_rect bbox;
fz_irect rbox;
fz_display_list *list;
fz_device *dev;
fz_pixmap *pix;
struct data *data;
// Load the relevant page for each thread. Note, that this
// cannot be done on the worker threads, as each use of doc
// uses ctx, and only one thread can be using ctx at a time.
page = fz_load_page(ctx, doc, i);
// Compute the bounding box for each page.
fz_bound_page(ctx, page, &bbox);
// Create a display list that will hold the drawing
// commands for the page. Once we have the display list
// this can safely be used on any other thread as it is
// not bound to a given context.
list = fz_new_display_list(ctx, &bbox);
// Run the loaded page through a display list device
// to populate the page's display list.
dev = fz_new_list_device(ctx, list);
fz_run_page(ctx, page, dev, &fz_identity, NULL);
fz_close_device(ctx, dev);
fz_drop_device(ctx, dev);
// The page is no longer needed, all drawing commands
// are now in the display list.
fz_drop_page(ctx, page);
// Create a white pixmap using the correct dimensions.
pix = fz_new_pixmap_with_bbox(ctx, fz_device_rgb(ctx), fz_round_rect(&rbox, &bbox), 0);
fz_clear_pixmap_with_value(ctx, pix, 0xff);
// Populate the data structure to be sent to the
// rendering thread for this page.
data = malloc(sizeof (struct data));
data->pagenumber = i + 1;
data->ctx = ctx;
data->list = list;
data->bbox = bbox;
data->pix = pix;
// Create the thread and pass it the data structure.
if (pthread_create(&thread[i], NULL, renderer, data) != 0)
fail("pthread_create()");
}
// Now each thread is rendering pages, so wait for each thread
// to complete its rendering.
fprintf(stderr, "joining %d threads...\n", threads);
for (i = threads - 1; i >= 0; i--)
{
char filename[42];
struct data *data;
if (pthread_join(thread[i], (void **) &data) != 0)
fail("pthread_join");
sprintf(filename, "out%04d.png", i);
fprintf(stderr, "\tSaving %s...\n", filename);
// Write the rendered image to a PNG file
fz_save_pixmap_as_png(ctx, data->pix, filename);
// Free the thread's pixmap and display list since
// they were allocated by the main thread above.
fz_drop_pixmap(ctx, data->pix);
fz_drop_display_list(ctx, data->list);
// Free the data structured passed back and forth
// between the main thread and rendering thread.
free(data);
}
fprintf(stderr, "finally!\n");
fflush(NULL);
free(thread);
// Finally the document is closed and the main thread's
// context is freed.
fz_drop_document(ctx, doc);
fz_drop_context(ctx);
return 0;
}
int main(int argc, char **argv)
#endif
{
const GLFWvidmode *video_mode;
int c;
while ((c = fz_getopt(argc, argv, "p:r:W:H:S:U:X")) != -1)
{
switch (c)
{
default:
usage(argv[0]);
break;
case 'p':
password = fz_optarg;
break;
case 'r':
currentzoom = fz_atof(fz_optarg);
break;
case 'W':
layout_w = fz_atof(fz_optarg);
break;
case 'H':
layout_h = fz_atof(fz_optarg);
break;
case 'S':
layout_em = fz_atof(fz_optarg);
break;
case 'U':
layout_css = fz_optarg;
break;
case 'X':
layout_use_doc_css = 0;
break;
}
}
if (fz_optind < argc)
{
fz_strlcpy(filename, argv[fz_optind], sizeof filename);
}
else
{
#ifdef _WIN32
win_install();
if (!win_open_file(filename, sizeof filename))
exit(0);
#else
usage(argv[0]);
#endif
}
title = strrchr(filename, '/');
if (!title)
title = strrchr(filename, '\\');
if (title)
++title;
else
title = filename;
memset(&ui, 0, sizeof ui);
search_input.p = search_input.text;
search_input.q = search_input.p;
search_input.end = search_input.p;
glfwSetErrorCallback(on_error);
if (!glfwInit()) {
fprintf(stderr, "cannot initialize glfw\n");
exit(1);
}
video_mode = glfwGetVideoMode(glfwGetPrimaryMonitor());
screen_w = video_mode->width;
screen_h = video_mode->height;
window = glfwCreateWindow(DEFAULT_WINDOW_W, DEFAULT_WINDOW_H, filename, NULL, NULL);
if (!window) {
fprintf(stderr, "cannot create glfw window\n");
exit(1);
}
glfwMakeContextCurrent(window);
ctx = fz_new_context(NULL, NULL, 0);
fz_register_document_handlers(ctx);
if (layout_css)
{
fz_buffer *buf = fz_read_file(ctx, layout_css);
fz_set_user_css(ctx, fz_string_from_buffer(ctx, buf));
fz_drop_buffer(ctx, buf);
}
fz_set_use_document_css(ctx, layout_use_doc_css);
has_ARB_texture_non_power_of_two = glfwExtensionSupported("GL_ARB_texture_non_power_of_two");
if (!has_ARB_texture_non_power_of_two)
fz_warn(ctx, "OpenGL implementation does not support non-power of two texture sizes");
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_texture_size);
ui.fontsize = DEFAULT_UI_FONTSIZE;
ui.baseline = DEFAULT_UI_BASELINE;
ui.lineheight = DEFAULT_UI_LINEHEIGHT;
ui_init_fonts(ctx, ui.fontsize);
reload();
shrinkwrap();
glfwSetFramebufferSizeCallback(window, on_reshape);
glfwSetCursorPosCallback(window, on_mouse_motion);
glfwSetMouseButtonCallback(window, on_mouse_button);
glfwSetScrollCallback(window, on_scroll);
glfwSetCharModsCallback(window, on_char);
glfwSetKeyCallback(window, on_key);
glfwSetWindowRefreshCallback(window, on_display);
glfwGetFramebufferSize(window, &window_w, &window_h);
ui_needs_update = 1;
while (!glfwWindowShouldClose(window))
{
glfwWaitEvents();
if (ui_needs_update)
run_main_loop();
}
ui_finish_fonts(ctx);
fz_drop_link(ctx, links);
fz_drop_page(ctx, page);
fz_drop_outline(ctx, outline);
fz_drop_document(ctx, doc);
fz_drop_context(ctx);
glfwTerminate();
return 0;
}
int muconvert_main(int argc, char **argv)
{
int i, c;
while ((c = fz_getopt(argc, argv, "p:A:W:H:S:U:o:F:O:")) != -1)
{
switch (c)
{
default: usage(); break;
case 'p': password = fz_optarg; break;
case 'A': alphabits = atoi(fz_optarg); break;
case 'W': layout_w = atof(fz_optarg); break;
case 'H': layout_h = atof(fz_optarg); break;
case 'S': layout_em = atof(fz_optarg); break;
case 'U': layout_css = fz_optarg; break;
case 'o': output = fz_optarg; break;
case 'F': format = fz_optarg; break;
case 'O': options = fz_optarg; break;
}
}
if (fz_optind == argc || (!format && !output))
usage();
/* Create a context to hold the exception stack and various caches. */
ctx = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED);
if (!ctx)
{
fprintf(stderr, "cannot create mupdf context\n");
return EXIT_FAILURE;
}
/* Register the default file types to handle. */
fz_try(ctx)
fz_register_document_handlers(ctx);
fz_catch(ctx)
{
fprintf(stderr, "cannot register document handlers: %s\n", fz_caught_message(ctx));
fz_drop_context(ctx);
return EXIT_FAILURE;
}
fz_set_aa_level(ctx, alphabits);
if (layout_css)
{
fz_buffer *buf = fz_read_file(ctx, layout_css);
fz_write_buffer_byte(ctx, buf, 0);
fz_set_user_css(ctx, (char*)buf->data);
fz_drop_buffer(ctx, buf);
}
/* Open the output document. */
fz_try(ctx)
out = fz_new_document_writer(ctx, output, format, options);
fz_catch(ctx)
{
fprintf(stderr, "cannot create document: %s\n", fz_caught_message(ctx));
fz_drop_context(ctx);
return EXIT_FAILURE;
}
for (i = fz_optind; i < argc; ++i)
{
doc = fz_open_document(ctx, argv[i]);
if (fz_needs_password(ctx, doc))
if (!fz_authenticate_password(ctx, doc, password))
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot authenticate password: %s", argv[i]);
fz_layout_document(ctx, doc, layout_w, layout_h, layout_em);
count = fz_count_pages(ctx, doc);
if (i+1 < argc && fz_is_page_range(ctx, argv[i+1]))
runrange(argv[++i]);
else
runrange("1-N");
fz_drop_document(ctx, doc);
}
fz_drop_document_writer(ctx, out);
fz_drop_context(ctx);
return EXIT_SUCCESS;
}
int main(int argc, char **argv)
{
char *input;
float zoom, rotate;
int page_number, page_count;
fz_context *ctx;
fz_document *doc;
fz_pixmap *pix;
fz_matrix ctm;
int x, y;
if (argc < 3)
{
fprintf(stderr, "usage: example input-file page-number [ zoom [ rotate ] ]\n");
fprintf(stderr, "\tinput-file: path of PDF, XPS, CBZ or EPUB document to open\n");
fprintf(stderr, "\tPage numbering starts from one.\n");
fprintf(stderr, "\tZoom level is in percent (100 percent is 72 dpi).\n");
fprintf(stderr, "\tRotation is in degrees clockwise.\n");
return EXIT_FAILURE;
}
input = argv[1];
page_number = atoi(argv[2]) - 1;
zoom = argc > 3 ? atof(argv[3]) : 100;
rotate = argc > 4 ? atof(argv[4]) : 0;
/* Create a context to hold the exception stack and various caches. */
ctx = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED);
if (!ctx)
{
fprintf(stderr, "cannot create mupdf context\n");
return EXIT_FAILURE;
}
/* Register the default file types to handle. */
fz_try(ctx)
fz_register_document_handlers(ctx);
fz_catch(ctx)
{
fprintf(stderr, "cannot register document handlers: %s\n", fz_caught_message(ctx));
fz_drop_context(ctx);
return EXIT_FAILURE;
}
/* Open the document. */
fz_try(ctx)
doc = fz_open_document(ctx, input);
fz_catch(ctx)
{
fprintf(stderr, "cannot open document: %s\n", fz_caught_message(ctx));
fz_drop_context(ctx);
return EXIT_FAILURE;
}
/* Count the number of pages. */
fz_try(ctx)
page_count = fz_count_pages(ctx, doc);
fz_catch(ctx)
{
fprintf(stderr, "cannot count number of pages: %s\n", fz_caught_message(ctx));
fz_drop_document(ctx, doc);
fz_drop_context(ctx);
return EXIT_FAILURE;
}
if (page_number < 0 || page_number >= page_count)
{
fprintf(stderr, "page number out of range: %d (page count %d)\n", page_number + 1, page_count);
fz_drop_document(ctx, doc);
fz_drop_context(ctx);
return EXIT_FAILURE;
}
/* Compute a transformation matrix for the zoom and rotation desired. */
/* The default resolution without scaling is 72 dpi. */
fz_scale(&ctm, zoom / 100, zoom / 100);
fz_pre_rotate(&ctm, rotate);
/* Render page to an RGB pixmap. */
fz_try(ctx)
pix = fz_new_pixmap_from_page_number(ctx, doc, page_number, &ctm, fz_device_rgb(ctx), 0);
fz_catch(ctx)
{
fprintf(stderr, "cannot render page: %s\n", fz_caught_message(ctx));
fz_drop_document(ctx, doc);
fz_drop_context(ctx);
return EXIT_FAILURE;
}
/* Print image data in ascii PPM format. */
printf("P3\n");
printf("%d %d\n", pix->w, pix->h);
printf("255\n");
for (y = 0; y < pix->h; ++y)
{
unsigned char *p = &pix->samples[y * pix->stride];
for (x = 0; x < pix->w; ++x)
{
if (x > 0)
printf(" ");
printf("%3d %3d %3d", p[0], p[1], p[2]);
p += pix->n;
}
printf("\n");
}
/* Clean up. */
fz_drop_pixmap(ctx, pix);
fz_drop_document(ctx, doc);
fz_drop_context(ctx);
return EXIT_SUCCESS;
}
