void
fz_clip_image_mask(fz_context *ctx, fz_device *dev, fz_image *image, const fz_matrix *ctm, const fz_rect *scissor)
{
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->hints & FZ_MAINTAIN_CONTAINER_STACK)
{
if (scissor == NULL)
{
fz_rect bbox = fz_unit_rect;
fz_transform_rect(&bbox, ctm);
push_clip_stack(ctx, dev, &bbox, fz_device_container_stack_is_clip_image_mask);
}
else
push_clip_stack(ctx, dev, scissor, fz_device_container_stack_is_clip_image_mask);
}
if (dev->clip_image_mask)
dev->clip_image_mask(ctx, dev, image, ctm, scissor);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught_message(ctx));
/* Error swallowed */
}
}
int
fz_begin_tile_id(fz_device *dev, const fz_rect *area, const fz_rect *view, float xstep, float ystep, const fz_matrix *ctm, int id)
{
fz_context *ctx = dev->ctx;
int ret = 0;
if (dev->error_depth)
{
dev->error_depth++;
return 0;
}
if (xstep < 0)
xstep = -xstep;
if (ystep < 0)
ystep = -ystep;
fz_try(ctx)
{
if (dev->begin_tile)
ret = dev->begin_tile(dev, area, view, xstep, ystep, ctm, id);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught_message(ctx));
/* Error swallowed */
}
return ret;
}
void
fz_clip_text(fz_device *dev, fz_text *text, const fz_matrix *ctm, int accumulate)
{
fz_context *ctx = dev->ctx;
if (dev->error_depth)
{
if (accumulate == 0 || accumulate == 1)
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->hints & FZ_MAINTAIN_CONTAINER_STACK)
{
fz_rect bbox;
fz_bound_text(ctx, text, NULL, ctm, &bbox);
push_clip_stack_accumulate(dev, &bbox, accumulate);
}
if (dev->clip_text)
dev->clip_text(dev, text, ctm, accumulate);
}
fz_catch(ctx)
{
if (accumulate == 2)
fz_rethrow(ctx);
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught_message(ctx));
/* Error swallowed */
}
}
void
fz_clip_text(fz_device *dev, fz_text *text, const fz_matrix *ctm, int accumulate)
{
fz_context *ctx = dev->ctx;
if (dev->error_depth)
{
if (accumulate == 0 || accumulate == 1)
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->clip_text)
dev->clip_text(dev, text, ctm, accumulate);
}
fz_catch(ctx)
{
if (accumulate == 2)
fz_rethrow(ctx);
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught_message(ctx));
/* Error swallowed */
}
}
void
fz_end_mask(fz_context *ctx, fz_device *dev)
{
if (dev->error_depth)
{
/* Converts from mask to clip, so no change in stack depth */
return;
}
if (dev->hints & FZ_MAINTAIN_CONTAINER_STACK)
{
dev->container[dev->container_len-1].flags &= ~fz_device_container_stack_in_mask;
dev->container[dev->container_len-1].flags |= fz_device_container_stack_is_mask;
}
fz_try(ctx)
{
if (dev->end_mask)
dev->end_mask(ctx, dev);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught_message(ctx));
/* Error swallowed */
}
}
void
fz_clip_text(fz_context *ctx, fz_device *dev, const fz_text *text, const fz_matrix *ctm, const fz_rect *scissor)
{
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->hints & FZ_MAINTAIN_CONTAINER_STACK)
{
if (scissor == NULL)
{
fz_rect bbox;
fz_bound_text(ctx, text, NULL, ctm, &bbox);
push_clip_stack(ctx, dev, &bbox, fz_device_container_stack_is_clip_text);
}
else
push_clip_stack(ctx, dev, scissor, fz_device_container_stack_is_clip_text);
}
if (dev->clip_text)
dev->clip_text(ctx, dev, text, ctm, scissor);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught_message(ctx));
/* Error swallowed */
}
}
void
fz_clip_stroke_text(fz_device *dev, fz_text *text, fz_stroke_state *stroke, const fz_matrix *ctm)
{
fz_context *ctx = dev->ctx;
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->hints & FZ_MAINTAIN_CONTAINER_STACK)
{
fz_rect bbox;
fz_bound_text(ctx, text, stroke, ctm, &bbox);
push_clip_stack(dev, &bbox, fz_device_container_stack_is_clip_stroke_text);
}
if (dev->clip_stroke_text)
dev->clip_stroke_text(dev, text, stroke, ctm);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught_message(ctx));
/* Error swallowed */
}
}
void
fz_clip_path(fz_device *dev, fz_path *path, const fz_rect *rect, int even_odd, const fz_matrix *ctm)
{
fz_context *ctx = dev->ctx;
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->hints & FZ_MAINTAIN_CONTAINER_STACK)
{
if (rect == NULL)
{
fz_rect bbox;
fz_bound_path(ctx, path, NULL, ctm, &bbox);
push_clip_stack(dev, &bbox, fz_device_container_stack_is_clip_path);
}
else
push_clip_stack(dev, rect, fz_device_container_stack_is_clip_path);
}
if (dev->clip_path)
dev->clip_path(dev, path, rect, even_odd, ctm);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught_message(ctx));
/* Error swallowed */
}
}
int pdfsign_main(int argc, char **argv)
{
fz_context *ctx;
pdf_document *doc;
char *password = "";
int i, n, c;
pdf_page *page = NULL;
while ((c = fz_getopt(argc, argv, "p:")) != -1)
{
switch (c)
{
case 'p': password = fz_optarg; break;
default: usage(); break;
}
}
if (argc - fz_optind < 1)
usage();
filename = argv[fz_optind++];
ctx = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED);
if (!ctx)
{
fprintf(stderr, "cannot initialize context\n");
exit(1);
}
fz_var(page);
doc = pdf_open_document(ctx, filename);
fz_try(ctx)
{
if (pdf_needs_password(ctx, doc))
if (!pdf_authenticate_password(ctx, doc, password))
fz_warn(ctx, "cannot authenticate password: %s", filename);
n = pdf_count_pages(ctx, doc);
for (i = 0; i < n; ++i)
{
page = pdf_load_page(ctx, doc, i);
verify_page(ctx, doc, i, page);
fz_drop_page(ctx, (fz_page*)page);
page = NULL;
}
}
fz_always(ctx)
pdf_drop_document(ctx, doc);
fz_catch(ctx)
{
fz_drop_page(ctx, (fz_page*)page);
fprintf(stderr, "error verify signatures: %s\n", fz_caught_message(ctx));
}
fz_flush_warnings(ctx);
fz_drop_context(ctx);
return 0;
}
void pdf_load_type3_glyphs(fz_context *ctx, pdf_document *doc, pdf_font_desc *fontdesc, int nested_depth)
{
int i;
fz_try(ctx)
{
for (i = 0; i < 256; i++)
{
if (fontdesc->font->t3procs[i])
{
fz_prepare_t3_glyph(ctx, fontdesc->font, i, nested_depth);
fontdesc->size += 0; // TODO: display list size calculation
}
}
}
fz_catch(ctx)
{
fz_rethrow_if(ctx, FZ_ERROR_TRYLATER);
fz_warn(ctx, "Type3 glyph load failed: %s", fz_caught_message(ctx));
}
}
static void do_sign(void)
{
pdf_pkcs7_signer *signer = NULL;
fz_var(signer);
fz_try(ctx)
{
signer = pkcs7_openssl_read_pfx(ctx, cert_filename, cert_password.text);
pdf_sign_signature(ctx, pdf, sig_widget, signer);
ui_show_warning_dialog("Signed document successfully.");
}
fz_always(ctx)
{
if (signer)
signer->drop(signer);
}
fz_catch(ctx)
ui_show_warning_dialog("%s", fz_caught_message(ctx));
if (pdf_update_page(ctx, sig_widget->page))
render_page();
}
void
fz_clip_stroke_path(fz_device *dev, fz_path *path, const fz_rect *rect, fz_stroke_state *stroke, const fz_matrix *ctm)
{
fz_context *ctx = dev->ctx;
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->clip_stroke_path)
dev->clip_stroke_path(dev, path, rect, stroke, ctm);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught_message(ctx));
/* Error swallowed */
}
}
void
fz_begin_group(fz_device *dev, const fz_rect *area, int isolated, int knockout, int blendmode, float alpha)
{
fz_context *ctx = dev->ctx;
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->begin_group)
dev->begin_group(dev, area, isolated, knockout, blendmode, alpha);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught_message(ctx));
/* Error swallowed */
}
}
void
fz_clip_image_mask(fz_device *dev, fz_image *image, const fz_rect *rect, const fz_matrix *ctm)
{
fz_context *ctx = dev->ctx;
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->clip_image_mask)
dev->clip_image_mask(dev, image, rect, ctm);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught_message(ctx));
/* Error swallowed */
}
}
void
fz_begin_group(fz_context *ctx, fz_device *dev, const fz_rect *area, int isolated, int knockout, int blendmode, float alpha)
{
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->hints & FZ_MAINTAIN_CONTAINER_STACK)
push_clip_stack(ctx, dev, area, fz_device_container_stack_is_group);
if (dev->begin_group)
dev->begin_group(ctx, dev, area, isolated, knockout, blendmode, alpha);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught_message(ctx));
/* Error swallowed */
}
}
void
fz_begin_mask(fz_context *ctx, fz_device *dev, const fz_rect *area, int luminosity, fz_colorspace *colorspace, const float *bc, const fz_color_params *color_params)
{
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->hints & FZ_MAINTAIN_CONTAINER_STACK)
push_clip_stack(ctx, dev, area, fz_device_container_stack_in_mask);
if (dev->begin_mask)
dev->begin_mask(ctx, dev, area, luminosity, colorspace, bc, color_params);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught_message(ctx));
/* Error swallowed */
}
}
void
fz_begin_mask(fz_device *dev, const fz_rect *area, int luminosity, fz_colorspace *colorspace, float *bc)
{
fz_context *ctx = dev->ctx;
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->begin_mask)
dev->begin_mask(dev, area, luminosity, colorspace, bc);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught_message(ctx));
/* Error swallowed */
}
}
static void rethrow(pdf_js *js)
{
js_newerror(js->imp, fz_caught_message(js->ctx));
js_throw(js->imp);
}
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;
}
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;
}