public function testEncodeDecoded()
{
// create decoded
$decoder = new Decoder('tests/images/animation.gif');
$decoded = $decoder->decode();
// check before encoding
$this->assertEquals(20, $decoded->getCanvasWidth());
$this->assertEquals(15, $decoded->getCanvasHeight());
$this->assertEquals(8, $decoded->countFrames());
$this->assertEquals(2, $decoded->getLoops());
$this->assertEquals(32, $decoded->countGlobalColors());
$this->assertTrue($decoded->hasGlobalColorTable());
foreach ($decoded->getFrames() as $frame) {
$this->assertEquals(20, $frame->getDelay());
}
// encode Decoded
$encoder = new Encoder();
$encoder->setFromDecoded($decoded);
$encoded = $encoder->encode();
$decoder->initFromData($encoded);
$decoded = $decoder->decode();
// check after encoding
$this->assertEquals(20, $decoded->getCanvasWidth());
$this->assertEquals(15, $decoded->getCanvasHeight());
$this->assertEquals(8, $decoded->countFrames());
$this->assertEquals(2, $decoded->getLoops());
$this->assertEquals(32, $decoded->countGlobalColors());
$this->assertTrue($decoded->hasGlobalColorTable());
foreach ($decoded->getFrames() as $frame) {
$this->assertEquals(20, $frame->getDelay());
}
}
public function testSetFromDecoded()
{
$encoder = new Encoder();
$decoded = Mockery::mock('Intervention\\Gif\\Decoded');
$decoded->shouldReceive('getCanvasWidth')->andReturn(300);
$decoded->shouldReceive('getCanvasHeight')->andReturn(200);
$decoded->shouldReceive('getGlobalColorTable')->andReturn('global_color_table');
$decoded->shouldReceive('getBackgroundColorIndex')->andReturn('background_color_index');
$decoded->shouldReceive('getLoops')->andReturn(2);
$decoded->shouldReceive('getFrames')->andReturn(array('frame1', 'frame2', 'frame3'));
$encoder->setFromDecoded($decoded);
$this->assertEquals(300, $encoder->canvasWidth);
$this->assertEquals(200, $encoder->canvasHeight);
$this->assertEquals('global_color_table', $encoder->globalColorTable);
$this->assertEquals('background_color_index', $encoder->backgroundColorIndex);
$this->assertEquals(2, $encoder->loops);
$this->assertEquals(3, count($encoder->frames));
$this->assertTrue($encoder->doesLoop());
}
public static function initFromDecoded(Decoded $decoded)
{
$container = new self();
$container->setLoops($decoded->getLoops());
// create empty canvas
$driver = new Driver();
$canvas = $driver->newImage($decoded->getCanvasWidth(), $decoded->getCanvasHeight())->getCore();
foreach ($decoded->getFrames() as $key => $frame) {
// create resource from frame
$encoder = new GifEncoder();
$encoder->setFromDecoded($decoded, $key);
$frame_resource = imagecreatefromstring($encoder->encode());
// insert frame image data into canvas
imagecopy($canvas, $frame_resource, $frame->getOffset()->left, $frame->getOffset()->top, 0, 0, $frame->getSize()->width, $frame->getSize()->height);
// destory frame resource
imagedestroy($frame_resource);
// add frame to container
$container->addFrame(new \Intervention\Image\Frame($canvas, $frame->getDelay()));
// prepare next canvas
$canvas = Helper::cloneResource($canvas);
}
return $container;
}
