- /**
- * Test extraction of pHYs tags, which can tell what the
- * actual resolution of the image is (aka in dots per meter).
- */
- /*
- public function testPngPhysTag() {
- $meta = PNGMetadataExtractor::getMetadata( $this->filePath .
- 'Png-native-test.png' );
-
- $this->assertArrayHasKey( 'text', $meta );
- $meta = $meta['text'];
-
- $this->assertEquals( '2835/100', $meta['XResolution'] );
- $this->assertEquals( '2835/100', $meta['YResolution'] );
- $this->assertEquals( 3, $meta['ResolutionUnit'] ); // 3 = cm
- }
- */
-