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Revised pdf/djvu open functions

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This commit is contained in:
Moritz Lipp 2010-12-23 20:26:36 +01:00
parent 876f1e9ead
commit 7c6b081984
3 changed files with 74 additions and 23 deletions
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56
ft/djvu/djvu.c
View file

@ -8,7 +8,7 @@ bool
djvu_document_open(zathura_document_t* document)
{
if(!document) {
return false;
goto error_out;
}
document->functions.document_free = djvu_document_free;
@ -24,30 +24,57 @@ djvu_document_open(zathura_document_t* document)
document->data = malloc(sizeof(djvu_document_t));
if(!document->data) {
return false;
goto error_out;
}
djvu_document_t* djvu_document = (djvu_document_t*) document->data;
djvu_document->context = NULL;
djvu_document->document = NULL;
djvu_document->format = NULL;
/* setup format */
djvu_document->format = ddjvu_format_create (DDJVU_FORMAT_RGBMASK32, 0, NULL);
if(!djvu_document->format) {
goto error_free;
}
ddjvu_format_set_row_order(djvu_document->format, TRUE);
/* setup context */
djvu_document->context = ddjvu_context_create("zathura");
if(!djvu_document->context) {
free(document->data);
document->data = NULL;
return false;
goto error_free;
}
/* setup document */
djvu_document->document = ddjvu_document_create_by_filename(djvu_document->context, document->file_path, FALSE);
if(!djvu_document->document) {
ddjvu_context_release(djvu_document->context);
free(document->data);
document->data = NULL;
return false;
goto error_free;
}
document->number_of_pages = ddjvu_document_get_pagenum(djvu_document->document);
return true;
error_free:
if(djvu_document->format) {
ddjvu_format_release(djvu_document->format);
}
if(djvu_document->context) {
ddjvu_context_release(djvu_document->context);
}
free(document->data);
document->data = NULL;
error_out:
return false;
}
bool
@ -61,6 +88,7 @@ djvu_document_free(zathura_document_t* document)
djvu_document_t* djvu_document = (djvu_document_t*) document->data;
ddjvu_context_release(djvu_document->context);
ddjvu_document_release(djvu_document->document);
ddjvu_format_release(djvu_document->format);
free(document->data);
}
@ -80,9 +108,19 @@ djvu_document_save_as(zathura_document_t* document, const char* path)
return false;
}
djvu_document_t* djvu_document = (djvu_document_t*) document->data;
FILE* fp = fopen(path, "w");
if(!fp) {
return false;
}
ddjvu_document_save(djvu_document->document, fp, 0, NULL);
fclose(fp);
return true;
}
zathura_list_t*
djvu_document_attachments_get(zathura_document_t* document)
{

1
ft/djvu/djvu.h
View file

@ -12,6 +12,7 @@ typedef struct djvu_document_s
{
ddjvu_context_t* context;
ddjvu_document_t* document;
ddjvu_format_t* format;
} djvu_document_t;
bool djvu_document_open(zathura_document_t* document);

34
ft/pdf/pdf.c
View file

@ -7,8 +7,9 @@
bool
pdf_document_open(zathura_document_t* document)
{
if(!document)
return false;
if(!document) {
goto error_out;
}
document->functions.document_free = pdf_document_free;
document->functions.document_index_generate = pdf_document_index_generate;;
@ -23,7 +24,7 @@ pdf_document_open(zathura_document_t* document)
document->data = malloc(sizeof(pdf_document_t));
if(!document->data) {
return false;
goto error_out;
}
/* format path */
@ -32,10 +33,7 @@ pdf_document_open(zathura_document_t* document)
if(!file_uri) {
fprintf(stderr, "error: could not open file: %s\n", error->message);
g_error_free(error);
free(document->data);
document->data = NULL;
return false;
goto error_free;
}
pdf_document_t* pdf_document = (pdf_document_t*) document->data;
@ -43,15 +41,29 @@ pdf_document_open(zathura_document_t* document)
if(!pdf_document->document) {
fprintf(stderr, "error: could not open file: %s\n", error->message);
g_error_free(error);
free(document->data);
document->data = NULL;
return false;
goto error_free;
}
document->number_of_pages = poppler_document_get_n_pages(pdf_document->document);
return true;
error_free:
if(error) {
g_error_free(error);
}
if(file_uri) {
g_free(file_uri);
}
free(document->data);
document->data = NULL;
error_out:
return false;
}
bool