Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Font.php: hot fix for calculateTextWidth in case Widths key is not set #645

Merged
merged 3 commits into from
Oct 2, 2023
Merged

Font.php: hot fix for calculateTextWidth in case Widths key is not set #645

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
e766ba6
Font.php: Small workaround if Widths-key is not set in $details array
k00ni Sep 29, 2023
8dbfcd1
FontTest.php: add test to check behavior if Widths key is not set in …
k00ni Sep 29, 2023
468cb20
Font.php: refined wording in comment
k00ni Oct 2, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 3 additions & 1 deletion src/Smalot/PdfParser/Font.php
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -283,7 +283,9 @@ public function calculateTextWidth(string $text, array &$missing = null): ?float
{
$index_map = array_flip($this->table);
$details = $this->getDetails();
$widths = $details['Widths'];

// Usually, Widths key is set in $details array, but if it isn't use an empty array instead.
$widths = $details['Widths'] ?? [];

// Widths array is zero indexed but table is not. We must map them based on FirstChar and LastChar
$width_map = array_flip(range($details['FirstChar'], $details['LastChar']));
Expand Down
23 changes: 23 additions & 0 deletions tests/PHPUnit/Integration/FontTest.php
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -454,6 +454,29 @@ public function testCalculateTextWidth(): void
$this->assertEquals([], $missing);
}

/**
* Check behavior if getDetails() does return an array without a Widths-key.
*
* @see https://github.com/smalot/pdfparser/issues/619
*/
public function testCalculateTextWidthNoWidthsKey(): void
{
$document = $this->createMock(Document::class);

$header = $this->createMock(Header::class);
$header->method('getDetails')->willReturn([
'FirstChar' => '',
'LastChar' => '',
// 'Widths' key is not set, so without the fix in Font.php a warning would be thrown.
]);

$font = new Font($document, $header);
$font->setTable([]);
$width = $font->calculateTextWidth('foo');

$this->assertNull($width);
}

/**
* Check behavior if iconv function gets input which contains illegal characters.
*
Expand Down