虽然可以在 GrabzIt 中精确指定动画 GIF 应具有的尺寸,但您也可以只指定一个尺寸,将另一个尺寸定义为 -1。
这会将视频缩放到指定尺寸的大小,其他未指定的尺寸也会以相同的比例缩小。 然而,未指定尺寸的大小当然会根据源视频的尺寸而变化。
该技术的优点是它允许将整个视频缩小到较小的尺寸,而无需任何填充或裁剪。 下面的示例显示了宽度为 200 像素的动画 GIF,高度根据 200 像素宽度与源视频宽度的比率自动调整大小。
GrabzItClient grabzIt = new GrabzItClient("Sign in to view your Application Key", "Sign in to view your Application Secret"); AnimationOptions options = new AnimationOptions(); options.Width = 200; options.Height = -1; grabzIt.URLToAnimation("https://www.youtube.com/watch?v=a1Y73sPHKxw", options); grabzIt.Save("http://www.mywebsite.com/Home/Handler");
GrabzItClient grabzIt = new GrabzItClient("Sign in to view your Application Key", "Sign in to view your Application Secret"); AnimationOptions options = new AnimationOptions(); options.setWidth(200); options.setHeight(-1); grabzIt.URLToAnimation("https://www.youtube.com/watch?v=a1Y73sPHKxw", options); grabzIt.Save("http://www.mywebsite.com/handler");
<script src="https://cdn.jsdelivr.net/npm/@grabzit/js@3.5.2/grabzit.min.js"></script>
<script>
GrabzIt("Sign in to view your Application Key").ConvertURL("https://www.youtube.com/watch?v=a1Y73sPHKxw",
{"format":"gif", "width":200, "height":-1}).Create();
</script>
var grabzit = require('grabzit'); var client = new grabzit("Sign in to view your Application Key", "Sign in to view your Application Secret"); client.url_to_animation("https://www.youtube.com/watch?v=a1Y73sPHKxw", {"width":200, "height":-1}); client.save("http://www.example.com/handler", function (error, id){ if (error != null){ throw error; } });
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItAnimationOptions->new(); $options->width(200); $options->height(-1); $grabzIt->URLToAnimation("https://www.youtube.com/watch?v=a1Y73sPHKxw", $options); $grabzIt->Save("http://www.mywebsite.com/handler.pl");
$grabzIt = new \GrabzIt\GrabzItClient("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = new \GrabzIt\GrabzItAnimationOptions(); $options->setWidth(200); $options->setHeight(-1); $grabzIt->URLToAnimation("https://www.youtube.com/watch?v=a1Y73sPHKxw", $options); $grabzIt->Save("http://www.mywebsite.com/handler.php");
grabzIt = GrabzItClient.GrabzItClient("Sign in to view your Application Key", "Sign in to view your Application Secret") options = GrabzItAnimationOptions.GrabzItAnimationOptions() options.width = 200 options.height = -1 grabzIt.URLToAnimation("https://www.youtube.com/watch?v=a1Y73sPHKxw", options) grabzIt.Save("http://www.mywebsite.com/handler.py")
https://api.grabz.it/services/convert?key=Sign in to view your Application Key&format=gif&width=200&height=-1&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3Da1Y73sPHKxw
grabzIt = GrabzIt::Client.new("Sign in to view your Application Key", "Sign in to view your Application Secret") options = GrabzIt::AnimationOptions.new() options.width = 200 options.height = -1 grabzIt.url_to_animation("https://www.youtube.com/watch?v=a1Y73sPHKxw", options) grabzIt.save("http://www.mywebsite.com/handler/index")
计算时 GIF 动画的总分辨率,要确定当前包是否允许,将使用非自动调整尺寸的尺寸值。