dany/pdfio
1
0
Fork 0
mirror of https://github.com/michaelrsweet/pdfio.git synced 2025-10-08 19:55:04 +02:00
Code Issues Packages Projects Releases Wiki Activity

corrected the issue regarding the headers in the pdfa files

Browse Source
This commit is contained in:
vididvidid
2025-09-30 07:09:56 +00:00
parent ef3a6cb1c0
commit b1550fdc10
13 changed files with 207 additions and 138 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
pdfio-file.c
View File

@@ -1114,8 +1114,9 @@ pdfioFileOpen(
char message[8192]; // Message string
temp.filename = (char *)filename;
snprintf(message, sizeof(message), "Unable to allocate memory for PDF file - %s", strerror(errno));
snprintf(message, sizeof(message), "Unable to allocate memory for PDF file: %s", strerror(errno));
(error_cb)(&temp, message, error_cbdata);
return (NULL);
}
@@ -1328,28 +1329,30 @@ pdfioFileSetPermissions(
if (!pdf)
return (false);
// 1. First, check if this is a PDF/A file trying to use encryption. This check must be first.
if (pdf->pdfa != _PDFIO_PDFA_NONE && encryption != PDFIO_ENCRYPTION_NONE)
{
_pdfioFileError(pdf, "Encryption is not allowed for PDF/A files.");
return (false);
}
// 2. If no encryption is being applied anyway, we are done.
if (encryption == PDFIO_ENCRYPTION_NONE)
return (true);
// 3. Check if it's too late in the file creation process to set permissions.
if (pdf->num_objs > 3) // First three objects are pages, info, and root
{
_pdfioFileError(pdf, "You must call pdfioFileSetPermissions before adding any objects.");
return (false);
}
if (encryption == PDFIO_ENCRYPTION_NONE)
return (true);
// 4. If all checks pass, proceed with locking the document.
pdf->encrypt_metadata = true;
return (_pdfioCryptoLock(pdf, permissions, encryption, owner_password, user_password));
}
//
// 'pdfioFileSetSubject()' - Set the subject for a PDF file.
//
@@ -1535,10 +1538,9 @@ create_common(
if (!error_cb)
{
error_cb = _pdfioFileDefaultError;
error_cbdata = NULL;i
(error_cb)(&temp,message,error_cbdata)
error_cbdata = NULL;
return (NULL)
return (NULL);
}
// Allocate a PDF file structure...
@@ -1602,7 +1604,7 @@ create_common(
else
{
actual_version = version;
pdf->pdfa = _PDFIO_PDFA_NONe;
pdf->pdfa = _PDFIO_PDFA_NONE;
}
pdf->version = strdup(actual_version);
@@ -1638,14 +1640,19 @@ create_common(
// Write a standard PDF header...
if (!strncmp(version, "PCLm-", 5))
{
// PCLm has a special header format
if (!_pdfioFilePrintf(pdf, "%%PDF-1.4\n%%%s\n", version))
goto error;
}
else if (!_pdfioFilePrintf(pdf, "%%PDF-%s\n%%\342\343\317\323\n", version))
else
{
goto error;
// For all other PDFs, including all PDF/A versions, write the header
// with the binary comment.
if (!_pdfioFilePrintf(pdf, "%%PDF-%s\n%%\342\343\317\323\n", pdf->version))
goto error;
}
// Create the pages object...
if ((dict = pdfioDictCreate(pdf)) == NULL)
goto error;