UIImageView改变宽度和高度 [英] UIImageView change Width and Height

问题描述

我在这里阅读了各种帖子，询问类似的问题......我尝试了各种方式发布，包括边界和框架等，包括以下内容：

I've read various posts on here asking similar questions... I've tried various ways that were posted including bounds and frames etc. including the following:

myImage.frame = CGRectMake(0.0f, 0.0f,50.0f, 50.0f);

和：

myImage.bounds = CGRectMake(0.0f, 0.0f,50.0f, 120.0f);

这些都不起作用。

但是，我觉得有趣的是下面的代码让我移动图像但不改变宽度：

However, I find it interesting that the following code let's me move the Image around but doesn't change the width:

CGRect frameRect = myImage.frame;
frameRect.size.width = 50.0f;
frameRect.origin.x += 10.5f;
myImage.frame = frameRect;

那么为什么这些都不会改变我的ImageView的宽度/高度？

So why don't any of these change the width/height of my ImageView?

我在这里找到了另一篇文章，基本上说我必须修改一小段代码来调整我的图像大小...这是真的吗？

I found another post on here that basically states I have to right a small book of code to get it resize my image... is that true?

比如这个：
UIImage：Resize，然后裁剪

当然这比那简单吗？

推荐答案

以下内容将更改UIImaveView的大小，剪切基础图像而不调整其大小并使其保持与视图左下角对齐：

The following will change the size of the UIImaveView, clipping the underlying image without resizing it and keeping it aligned to bottom left of view:

imageView.frame = CGRectMake(
             imageView.frame.origin.x, 
             imageView.frame.origin.y, newWidth, newHeight);

imageView.contentMode = UIViewContentModeBottomLeft; // This determines position of image
imageView.clipsToBounds = YES;

这篇关于UIImageView改变宽度和高度的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！