diff options
| -rw-r--r-- | ChangeLog | 2 | ||||
| -rw-r--r-- | src/axis/labeled.php | 133 | ||||
| -rw-r--r-- | tests/data/compare/ezcGraphLabeledAxisTest_testRenderUnregularLabeling.svg | 2 | ||||
| -rw-r--r-- | tests/labeled_axis_test.php | 146 |
4 files changed, 279 insertions, 4 deletions
@@ -17,6 +17,8 @@ - Fixed issue #10199: Use saveXML instead of save( 'php://output' ) to work around PHP bug #40429 - Fixed issue #10246: sprintf output modification in PHP 5.2.1 +- Fixed issue #10275: Low label count on labeled axis, when having (prime + number > 10) + 1 labels 1.0 - Monday 18 December 2006 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/axis/labeled.php b/src/axis/labeled.php index c8d801a..563076a 100644 --- a/src/axis/labeled.php +++ b/src/axis/labeled.php @@ -38,6 +38,13 @@ class ezcGraphChartElementLabeledAxis extends ezcGraphChartElementAxis const MAX_LABEL_COUNT = 10; /** + * Precalculated steps on the axis + * + * @var array( ezcGraphAxisStep ) + */ + protected $steps; + + /** * Constructor * * @param array $options Default option array @@ -122,18 +129,46 @@ class ezcGraphChartElementLabeledAxis extends ezcGraphChartElementAxis */ public function calculateAxisBoundings() { + $this->steps = array(); + $labelCount = count( $this->labels ) - 1; + + if ( $labelCount === 0 ) + { + return true; + } + if ( $labelCount <= self::MAX_LABEL_COUNT ) { + $stepSize = 1 / $labelCount; + + foreach ( $this->labels as $nr => $label ) + { + $this->steps[] = new ezcGraphAxisStep( + $stepSize * $nr, + $stepSize, + $label, + array(), + $nr === 0, + $nr === $labelCount + ); + } + + // @TODO: This line is deprecated and only build for + // deprecated getLabel() $this->displayedLabels = $this->labels; + return true; } - for ( $div = self::MAX_LABEL_COUNT; $div > 0; --$div ) + for ( $div = self::MAX_LABEL_COUNT; $div > 1; --$div ) { if ( ( $labelCount % $div ) === 0 ) { + // @TODO: This part is deprecated and only build for + // deprecated getLabel() $step = $labelCount / $div; + foreach ( $this->labels as $nr => $label ) { if ( ( $nr % $step ) === 0 ) @@ -141,10 +176,104 @@ class ezcGraphChartElementLabeledAxis extends ezcGraphChartElementAxis $this->displayedLabels[] = $label; } } + // End of deprecated part - return true; + break; + } + } + + // Build up step array + if ( $div > 2 ) + { + $step = $labelCount / $div; + $stepSize = 1 / $div; + $minorStepSize = $stepSize / $step; + + foreach ( $this->labels as $nr => $label ) + { + if ( ( $nr % $step ) === 0 ) + { + $mainstep = new ezcGraphAxisStep( + $stepSize * ( $nr / $step ), + $stepSize, + $label, + array(), + $nr === 0, + $nr === $labelCount + ); + + $this->steps[] = $mainstep; + } + else + { + $mainstep->childs[] = new ezcGraphAxisStep( + $mainstep->position + $minorStepSize * ( $nr % $step ), + $minorStepSize + ); + } + } + } + else + { + $floatStep = $labelCount / ( self::MAX_LABEL_COUNT - 1 ); + $position = 0; + $minorStepSize = 1 / $labelCount; + + foreach ( $this->labels as $nr => $label ) + { + if ( $nr >= $position ) + { + $position += $floatStep; + + // Add as major step + $mainstep = new ezcGraphAxisStep( + $minorStepSize * $nr, + ceil( $position - $nr ) * $minorStepSize, + $label, + array(), + $nr === 0, + $nr === $labelCount + ); + + // @TODO: This line is deprecated and only build for + // deprecated getLabel() + $this->displayedLabels[] = $label; + + $this->steps[] = $mainstep; + } + else + { + $mainstep->childs[] = new ezcGraphAxisStep( + $minorStepSize * $nr, + $minorStepSize + ); + } + } + } + } + + /** + * Return array of steps on this axis + * + * @return array( ezcGraphAxisStep ) + */ + public function getSteps() + { + if ( $this->steps === null ) + { + foreach( debug_backtrace() as $call ) + { + var_dump( + $call['file'], + $call['line'], + $call['function'], + $call['class'], + '' + ); } + exit; } + return $this->steps; } /** diff --git a/tests/data/compare/ezcGraphLabeledAxisTest_testRenderUnregularLabeling.svg b/tests/data/compare/ezcGraphLabeledAxisTest_testRenderUnregularLabeling.svg new file mode 100644 index 0000000..6e87132 --- /dev/null +++ b/tests/data/compare/ezcGraphLabeledAxisTest_testRenderUnregularLabeling.svg @@ -0,0 +1,2 @@ +<?xml version="1.0"?> +<svg xmlns="http://www.w3.org/2000/svg" width="500" height="200" version="1.0" id="ezcGraph"><defs/><g id="ezcGraphChart" color-rendering="optimizeQuality" shape-rendering="geometricPrecision" text-rendering="optimizeLegibility"><path d=" M 0.0000,200.0000 L 0.0000,0.0000 L 500.0000,0.0000 L 500.0000,200.0000 L 0.0000,200.0000 z " style="fill: #eeeeec; 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fill: #2e3436; fill-opacity: 1.00; stroke: none;">1500</text></g><g id="ezcGraphTextBox_115"><path d=" M 112.7000,33.0000 L 112.7000,21.5000 L 139.0000,21.5000 L 139.0000,33.0000 L 112.7000,33.0000 z " style="fill: #ffffff; fill-opacity: 0.00; stroke: none;" id="ezcGraphPolygon_161"/><text id="ezcGraphTextBox_115_text" x="113.2" text-length="24.8px" y="30.5" style="font-size: 10px; font-family: sans-serif; fill: #2e3436; fill-opacity: 1.00; stroke: none;">2000</text></g></g></svg> diff --git a/tests/labeled_axis_test.php b/tests/labeled_axis_test.php index 16c641f..6097eeb 100644 --- a/tests/labeled_axis_test.php +++ b/tests/labeled_axis_test.php @@ -9,26 +9,48 @@ * @license http://ez.no/licenses/new_bsd New BSD License */ +require_once dirname( __FILE__ ) . '/test_case.php'; + /** * Tests for ezcGraph class. * * @package ImageAnalysis * @subpackage Tests */ -class ezcGraphLabeledAxisTest extends ezcTestCase +class ezcGraphLabeledAxisTest extends ezcGraphTestCase { + protected $basePath; + + protected $tempDir; + public static function suite() { return new PHPUnit_Framework_TestSuite( "ezcGraphLabeledAxisTest" ); } + protected function setUp() + { + static $i = 0; + + $this->tempDir = $this->createTempDir( __CLASS__ . sprintf( '_%03d_', ++$i ) ) . '/'; + $this->basePath = dirname( __FILE__ ) . '/data/'; + } + + protected function tearDown() + { + if ( !$this->hasFailed() ) + { + $this->removeTempDir(); + } + } + public function testFactoryLabeledAxis() { $chart = new ezcGraphLineChart(); $this->assertTrue( $chart->xAxis instanceof ezcGraphChartElementLabeledAxis - ); + ); } public function testAutomaticLabelingSingle() @@ -295,6 +317,101 @@ class ezcGraphLabeledAxisTest extends ezcTestCase ); } + public function testAutomaticLabelingWithLotsOfLabels2() + { + $labelCount = 31; + + // Make this reproducible + mt_srand( 2 ); + + for ( $i = 0; $i < $labelCount; ++$i ) + { + $data[(string) ( 2000 + $i )] = mt_rand( 500, 2000 ); + } + + $chart = new ezcGraphLineChart(); + $chart->data['sample'] = new ezcGraphArrayDataSet( $data ); + $chart->render( 500, 200 ); + + $this->assertEquals( + array( + 2000, + 2003, + 2006, + 2009, + 2012, + 2015, + 2018, + 2021, + 2024, + 2027, + 2030, + ), + $this->getAttribute( $chart->xAxis, 'displayedLabels' ) + ); + } + + public function testAutomaticLabelingWithLotsOfLabels3() + { + $labelCount = 32; + + // Make this reproducible + mt_srand( 2 ); + + for ( $i = 0; $i < $labelCount; ++$i ) + { + $data[(string) ( 2000 + $i )] = mt_rand( 500, 2000 ); + } + + $chart = new ezcGraphLineChart(); + $chart->data['sample'] = new ezcGraphArrayDataSet( $data ); + $chart->render( 500, 200 ); + + $this->assertEquals( + array( + 2000, + 2004, + 2007, + 2011, + 2014, + 2018, + 2021, + 2025, + 2028, + 2031, + ), + $this->getAttribute( $chart->xAxis, 'displayedLabels' ) + ); + } + + public function testAutomaticLabelingWithLotsOfLabels4() + { + $labelCount = 165; + + // Make this reproducible + mt_srand( 2 ); + + for ( $i = 0; $i < $labelCount; ++$i ) + { + $data[(string) ( 2000 + $i )] = mt_rand( 500, 2000 ); + } + + $chart = new ezcGraphLineChart(); + $chart->data['sample'] = new ezcGraphArrayDataSet( $data ); + $chart->render( 500, 200 ); + + $this->assertEquals( + array( + 2000, + 2041, + 2082, + 2123, + 2164, + ), + $this->getAttribute( $chart->xAxis, 'displayedLabels' ) + ); + } + public function testGetLabel() { $chart = new ezcGraphLineChart(); @@ -320,6 +437,31 @@ class ezcGraphLabeledAxisTest extends ezcTestCase 'Wrong label returned for nonexisting step.' ); } + + public function testRenderUnregularLabeling() + { + $filename = $this->tempDir . __FUNCTION__ . '.svg'; + + $labelCount = 32; + + // Make this reproducible + mt_srand( 2 ); + + for ( $i = 0; $i < $labelCount; ++$i ) + { + $data[(string) ( 2000 + $i )] = mt_rand( 500, 2000 ); + } + + $chart = new ezcGraphLineChart(); + $chart->data['sample'] = new ezcGraphArrayDataSet( $data ); + + $chart->render( 500, 200, $filename ); + + $this->compare( + $filename, + $this->basePath . 'compare/' . __CLASS__ . '_' . __FUNCTION__ . '.svg' + ); + } } ?> |
