From f2576623999d41fa75722666362f7b3e4234f4ac Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=9C=B1=E9=9D=99=E8=8C=B9?= Date: Tue, 29 Aug 2023 02:50:56 +0000 Subject: [PATCH] update zh-cn/application-dev/media/image-pixelmap-operation.md. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: 朱静茹 --- zh-cn/application-dev/media/image-pixelmap-operation.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/zh-cn/application-dev/media/image-pixelmap-operation.md b/zh-cn/application-dev/media/image-pixelmap-operation.md index c3aa0fd21e..d0706e4a6f 100644 --- a/zh-cn/application-dev/media/image-pixelmap-operation.md +++ b/zh-cn/application-dev/media/image-pixelmap-operation.md @@ -17,11 +17,11 @@ ```ts // 获取图像像素的总字节数 - let pixelBytesNumber = pixelMap.getPixelBytesNumber(); + let pixelBytesNumber : number = pixelMap.getPixelBytesNumber(); // 获取图像像素每行字节数 - let rowCount = pixelMap.getBytesNumberPerRow(); + let rowCount : number = pixelMap.getBytesNumberPerRow(); // 获取当前图像像素密度。像素密度是指每英寸图片所拥有的像素数量。像素密度越大，图片越精细。 - let getDensity = pixelMap.getDensity(); + let getDensity : number = pixelMap.getDensity(); ``` 3. 读取并修改目标区域像素数据，写回原图。 -- GitLab