summaryrefslogtreecommitdiff
path: root/ios/document.c
diff options
context:
space:
mode:
Diffstat (limited to 'ios/document.c')
-rw-r--r--ios/document.c176
1 files changed, 92 insertions, 84 deletions
diff --git a/ios/document.c b/ios/document.c
index ffb92519..cb392c12 100644
--- a/ios/document.c
+++ b/ios/document.c
@@ -6,72 +6,75 @@
#include <ctype.h> // for tolower()
struct document *
-open_document(char *filename)
+open_document(fz_context *ctx, char *filename)
{
- fz_error error;
+ struct document *doc;
- if (strstr(filename, ".pdf") || strstr(filename, ".PDF")) {
- struct document *doc = fz_malloc(sizeof *doc);
- memset(doc, 0, sizeof *doc);
- doc->number = -1;
- error = pdf_open_xref(&doc->pdf, filename, NULL);
- if (error) {
- fz_free(doc);
- fz_rethrow(error, "cannot open pdf document");
- return NULL;
+ doc = fz_malloc_struct(ctx, struct document);
+ memset(doc, 0, sizeof *doc);
+ doc->ctx = ctx;
+ doc->number = -1;
+
+ fz_try(ctx)
+ {
+ if (strstr(filename, ".pdf") || strstr(filename, ".PDF"))
+ {
+ doc->pdf = pdf_open_xref(ctx, filename, NULL);
+ pdf_load_page_tree(doc->pdf);
}
- error = pdf_load_page_tree(doc->pdf);
- if (error) {
- pdf_free_xref(doc->pdf);
- fz_free(doc);
- fz_rethrow(error, "cannot open pdf document");
- return NULL;
+ else if (strstr(filename, ".xps") || strstr(filename, ".XPS"))
+ {
+ doc->xps = xps_open_file(ctx, filename);
}
- return doc;
- } else if (strstr(filename, ".xps") || strstr(filename, ".XPS")) {
- struct document *doc = fz_malloc(sizeof *doc);
- memset(doc, 0, sizeof *doc);
- doc->number = -1;
- error = xps_open_file(&doc->xps, filename);
- if (error) {
- fz_free(doc);
- fz_rethrow(error, "cannot open xps document");
- return NULL;
+ else
+ {
+ fz_throw(ctx, "unknown document format");
}
- return doc;
- } else {
- fz_throw("unknown document format");
+ }
+ fz_catch(ctx)
+ {
+ close_document(doc);
return NULL;
}
+
+ return doc;
}
int
needs_password(struct document *doc)
{
- if (doc->pdf) {
+ if (doc->pdf)
return pdf_needs_password(doc->pdf);
- }
return 0;
}
int
authenticate_password(struct document *doc, char *password)
{
- if (doc->pdf) {
+ if (doc->pdf)
return pdf_authenticate_password(doc->pdf, password);
- }
return 1;
}
fz_outline *
load_outline(struct document *doc)
{
- if (doc->pdf)
- return pdf_load_outline(doc->pdf);
- else if (doc->xps)
- return xps_load_outline(doc->xps);
- else
- return NULL;
+ fz_outline *outline;
+ fz_var(outline);
+ fz_try (doc->ctx)
+ {
+ if (doc->pdf)
+ outline = pdf_load_outline(doc->pdf);
+ else if (doc->xps)
+ outline = xps_load_outline(doc->xps);
+ else
+ outline = NULL;
+ }
+ fz_catch (doc->ctx)
+ {
+ outline = NULL;
+ }
+ return outline;
}
int
@@ -88,27 +91,27 @@ count_pages(struct document *doc)
static void
load_page(struct document *doc, int number)
{
- fz_error error;
if (doc->number == number)
return;
- doc->number = number;
- if (doc->pdf) {
- if (doc->pdf_page) {
- pdf_age_store(doc->pdf->store, 1);
- pdf_free_page(doc->pdf_page);
+ fz_try (doc->ctx)
+ {
+ doc->number = number;
+ if (doc->pdf) {
+ if (doc->pdf_page)
+ pdf_free_page(doc->ctx, doc->pdf_page);
+ doc->pdf_page = NULL;
+ doc->pdf_page = pdf_load_page(doc->pdf, number);
+ }
+ if (doc->xps) {
+ if (doc->xps_page)
+ xps_free_page(doc->xps, doc->xps_page);
+ doc->xps_page = NULL;
+ doc->xps_page = xps_load_page(doc->xps, number);
}
- doc->pdf_page = NULL;
- error = pdf_load_page(&doc->pdf_page, doc->pdf, number);
- if (error)
- fz_catch(error, "cannot load page %d", number);
}
- if (doc->xps) {
- if (doc->xps_page)
- xps_free_page(doc->xps, doc->xps_page);
- doc->xps_page = NULL;
- error = xps_load_page(&doc->xps_page, doc->xps, number);
- if (error)
- fz_catch(error, "cannot load page %d", number);
+ fz_catch (doc->ctx)
+ {
+ fprintf(stderr, "cannot load page %d", number);
}
}
@@ -130,29 +133,36 @@ measure_page(struct document *doc, int number, float *w, float *h)
else {
*w = *h = 72;
}
- fz_flush_warnings();
+ fz_flush_warnings(doc->ctx);
}
void
-draw_page(struct document *doc, int number, fz_device *dev, fz_matrix ctm)
+draw_page(struct document *doc, int number, fz_device *dev, fz_matrix ctm, fz_cookie *cookie)
{
load_page(doc, number);
- if (doc->pdf_page) {
- pdf_page *page = doc->pdf_page;
- fz_matrix page_ctm = fz_concat(fz_rotate(-page->rotate), fz_scale(1, -1));
- fz_rect mediabox = fz_transform_rect(page_ctm, page->mediabox);
- page_ctm = fz_concat(page_ctm, fz_translate(-mediabox.x0, -mediabox.y0));
- ctm = fz_concat(page_ctm, ctm);
- pdf_run_page(doc->pdf, page, dev, ctm);
- } else if (doc->xps_page) {
- xps_page *page = doc->xps_page;
- fz_matrix page_ctm = fz_scale(72.0f / 96.0f, 72.0f / 96.0f);
- ctm = fz_concat(page_ctm, ctm);
- doc->xps->dev = dev;
- xps_parse_fixed_page(doc->xps, ctm, page);
- doc->xps->dev = NULL;
+ fz_try (doc->ctx)
+ {
+ if (doc->pdf_page) {
+ pdf_page *page = doc->pdf_page;
+ fz_matrix page_ctm = fz_concat(fz_rotate(-page->rotate), fz_scale(1, -1));
+ fz_rect mediabox = fz_transform_rect(page_ctm, page->mediabox);
+ page_ctm = fz_concat(page_ctm, fz_translate(-mediabox.x0, -mediabox.y0));
+ ctm = fz_concat(page_ctm, ctm);
+ pdf_run_page(doc->pdf, page, dev, ctm, cookie);
+ } else if (doc->xps_page) {
+ xps_page *page = doc->xps_page;
+ fz_matrix page_ctm = fz_scale(72.0f / 96.0f, 72.0f / 96.0f);
+ ctm = fz_concat(page_ctm, ctm);
+ doc->xps->dev = dev;
+ xps_parse_fixed_page(doc->xps, ctm, page);
+ doc->xps->dev = NULL;
+ }
+ }
+ fz_catch (doc->ctx)
+ {
+ fprintf(stderr, "cannot draw page %d", number);
}
- fz_flush_warnings();
+ fz_flush_warnings(doc->ctx);
}
static int
@@ -223,16 +233,16 @@ match(fz_text_span *span, char *s, int n)
}
int
-search_page(struct document *doc, int number, char *needle)
+search_page(struct document *doc, int number, char *needle, fz_cookie *cookie)
{
int pos, len, i, n;
if (strlen(needle) == 0)
return 0;
- fz_text_span *text = fz_new_text_span();
- fz_device *dev = fz_new_text_device(text);
- draw_page(doc, number, dev, fz_identity);
+ fz_text_span *text = fz_new_text_span(doc->ctx);
+ fz_device *dev = fz_new_text_device(doc->ctx, text);
+ draw_page(doc, number, dev, fz_identity, cookie);
fz_free_device(dev);
doc->hit_count = 0;
@@ -249,7 +259,7 @@ search_page(struct document *doc, int number, char *needle)
}
}
- fz_free_text_span(text);
+ fz_free_text_span(doc->ctx, text);
return doc->hit_count;
}
@@ -264,10 +274,7 @@ close_document(struct document *doc)
{
if (doc->pdf) {
if (doc->pdf_page)
- pdf_free_page(doc->pdf_page);
- if (doc->pdf->store)
- pdf_free_store(doc->pdf->store);
- doc->pdf->store = NULL;
+ pdf_free_page(doc->ctx, doc->pdf_page);
pdf_free_xref(doc->pdf);
}
if (doc->xps) {
@@ -275,5 +282,6 @@ close_document(struct document *doc)
xps_free_page(doc->xps, doc->xps_page);
xps_free_context(doc->xps);
}
- fz_flush_warnings();
+ fz_flush_warnings(doc->ctx);
+ fz_free(doc->ctx, doc);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-25 06:56:43 +0000