com.qcloud.cos.demo.ci

Class BasicImageProcessing

java.lang.Object

com.qcloud.cos.demo.ci.BasicImageProcessing

public class BasicImageProcessing
extends Object

基础图片处理使用Demo https://cloud.tencent.com/document/product/460/36540 Demo均为下载时处理，如需上传时处理或云上处理则使用对应方法，图片处理规则相同。 此处为演示参数使用，完整处理规则请参考API文档

Constructor Summary

Constructors

Constructor and Description
BasicImageProcessing()

Method Summary

Modifier and Type	Method and Description
static void	grayscaleImageDemo(COSClient cosClient) 设图片变为灰度图 https://cloud.tencent.com/document/product/460/66519
static void	imageAdjustingBrightnessDemo(COSClient cosClient) 将图片亮度提高70 https://cloud.tencent.com/document/product/460/51808
static void	imageAdjustingContrastDemo(COSClient cosClient) 将图片对比度降低50 https://cloud.tencent.com/document/product/460/51809
static void	imageConvertingFormatDemo(COSClient cosClient) 将图片转换为 png 格式 https://cloud.tencent.com/document/product/460/36543
static void	imageCroppingDemo(COSClient cosClient) 内切圆裁剪功能，radius是内切圆的半径150 https://cloud.tencent.com/document/product/460/36541
static void	imageGaussianBlurringDemo(COSClient cosClient) 模糊半径取8，sigma 值取5，进行高斯模糊处理 https://cloud.tencent.com/document/product/460/36545
static void	imageProcessing(COSClient cosClient, String rule)
static void	imageQualityChangeDemo(COSClient cosClient) 设置图片的绝对质量为60 https://cloud.tencent.com/document/product/460/36544
static void	imageRotateDemo(COSClient cosClient) 图片顺时针旋转角度90 取值范围0 - 360 https://cloud.tencent.com/document/product/460/36542
static void	imageSharpeningDemo(COSClient cosClient) 设置锐化参数为70 https://cloud.tencent.com/document/product/460/51809
static void	imageWatermarkingDemo(COSClient cosClient) 设置水印图片,并指定水印位置 https://cloud.tencent.com/document/product/460/51809
static void	imageZoomDemo(COSClient cosClient) 缩放图片宽高为原图50% https://cloud.tencent.com/document/product/460/36540
static void	limitingOutputImageSize(COSClient cosClient) 将 JPG 图片转换为 PNG 格式，并限制图片大小为15KB https://cloud.tencent.com/document/product/460/56732
static void	main(String[] args)
static void	obtainingBasicImageInformationDemo(COSClient cosClient)
static void	obtainingImageAverageHueDemo(COSClient cosClient)
static void	obtainingImageEXIFDemo(COSClient cosClient)
static void	pipelineOperatorsDemo(COSClient cosClient) 管道操作符|能够实现对图片按顺序进行多种处理。 用户可以通过管道操作符将多个处理参数分隔开，从而实现在一次访问中按顺序对图片进行不同处理 https://cloud.tencent.com/document/product/460/15293
static void	quickThumbnailTemplate(COSClient cosClient) 选用样式1，并限定缩略图的宽高最小值为400 × 600 绝对质量为85 https://cloud.tencent.com/document/product/460/6929
static void	removingImageMetadata(COSClient cosClient) 去除图片元信息 https://cloud.tencent.com/document/product/460/36547
static void	textWatermarkingDemo(COSClient cosClient) 设置水印文字,并指定水印位置 https://cloud.tencent.com/document/product/460/6951

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BasicImageProcessing

public BasicImageProcessing()

Method Detail

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception

imageProcessing

public static void imageProcessing(COSClient cosClient,
                                   String rule)

imageZoomDemo

public static void imageZoomDemo(COSClient cosClient)

缩放图片宽高为原图50% https://cloud.tencent.com/document/product/460/36540

imageCroppingDemo

public static void imageCroppingDemo(COSClient cosClient)

内切圆裁剪功能，radius是内切圆的半径150 https://cloud.tencent.com/document/product/460/36541

imageRotateDemo

public static void imageRotateDemo(COSClient cosClient)

图片顺时针旋转角度90 取值范围0 - 360 https://cloud.tencent.com/document/product/460/36542

imageConvertingFormatDemo

public static void imageConvertingFormatDemo(COSClient cosClient)

将图片转换为 png 格式 https://cloud.tencent.com/document/product/460/36543

imageQualityChangeDemo

public static void imageQualityChangeDemo(COSClient cosClient)

设置图片的绝对质量为60 https://cloud.tencent.com/document/product/460/36544

imageGaussianBlurringDemo

public static void imageGaussianBlurringDemo(COSClient cosClient)

模糊半径取8，sigma 值取5，进行高斯模糊处理 https://cloud.tencent.com/document/product/460/36545

imageAdjustingBrightnessDemo

public static void imageAdjustingBrightnessDemo(COSClient cosClient)

将图片亮度提高70 https://cloud.tencent.com/document/product/460/51808

imageAdjustingContrastDemo

public static void imageAdjustingContrastDemo(COSClient cosClient)

将图片对比度降低50 https://cloud.tencent.com/document/product/460/51809

imageSharpeningDemo

public static void imageSharpeningDemo(COSClient cosClient)

设置锐化参数为70 https://cloud.tencent.com/document/product/460/51809

grayscaleImageDemo

public static void grayscaleImageDemo(COSClient cosClient)

设图片变为灰度图 https://cloud.tencent.com/document/product/460/66519

imageWatermarkingDemo

public static void imageWatermarkingDemo(COSClient cosClient)

设置水印图片,并指定水印位置 https://cloud.tencent.com/document/product/460/51809

textWatermarkingDemo

public static void textWatermarkingDemo(COSClient cosClient)

设置水印文字,并指定水印位置 https://cloud.tencent.com/document/product/460/6951

removingImageMetadata

public static void removingImageMetadata(COSClient cosClient)

去除图片元信息 https://cloud.tencent.com/document/product/460/36547

quickThumbnailTemplate

public static void quickThumbnailTemplate(COSClient cosClient)

选用样式1，并限定缩略图的宽高最小值为400 × 600 绝对质量为85 https://cloud.tencent.com/document/product/460/6929

limitingOutputImageSize

public static void limitingOutputImageSize(COSClient cosClient)

将 JPG 图片转换为 PNG 格式，并限制图片大小为15KB https://cloud.tencent.com/document/product/460/56732

pipelineOperatorsDemo

public static void pipelineOperatorsDemo(COSClient cosClient)

管道操作符|能够实现对图片按顺序进行多种处理。 用户可以通过管道操作符将多个处理参数分隔开，从而实现在一次访问中按顺序对图片进行不同处理 https://cloud.tencent.com/document/product/460/15293

obtainingImageAverageHueDemo

public static void obtainingImageAverageHueDemo(COSClient cosClient)

obtainingBasicImageInformationDemo

public static void obtainingBasicImageInformationDemo(COSClient cosClient)

obtainingImageEXIFDemo

public static void obtainingImageEXIFDemo(COSClient cosClient)