在旋转的Windows Phone图像 [英] Rotating an Image in Windows Phone
问题描述
大家好我展示的照片我把我的网页之一。
我捕捉人像模式中的照片，它工作正常。
当我告诉我的下一个视图画面它把喜欢的照片拍摄于风景。
所以我需要旋转图片由-90 /图像纠正。
下面是我的.XAML
<$ p $的相关代码p>
<！ - 的ContentPanel - 在这里放置其他内容 - >
<电网X：NAME =ContentPanelxGrid.Row =1保证金=0,0,0,0>
< /网格和GT;
和这里是我加载照片并把它放入的ContentPanel。
方法无效的LoadImage（）
{
//图像将被从孤立的存储读取到以下字节数组
字节[]数据;
//读取整个图像中的一个进入的字节数组
使用（IsolatedStorageFile ISF = IsolatedStorageFile.GetUserStoreForApplication（））
{
//打开文件 - 处理不再赘述
//注意的错误：
：如果图像不出现以下异常会产生孤立存在的存储// System.IO.IsolatedStorage.IsolatedStorageException了未处理
//消息=不IsolatedStorageFileStream
使用（IsolatedStorageFileStream ISFS = isf.OpenFile（0.jpg允许操作，FileMode.Open，FileAccess.Read））
{
//分配足够大，整个文件
数据=新的字节[数组isfs.Length ];
//读取整个文件，然后将其关闭
isfs.Read（数据，0，data.Length）;
isfs.Close（）;
}
}
//创建内存流和位图
的MemoryStream毫秒=新的MemoryStream （数据）;
BitmapImage的双向=新的BitmapImage（）;
//设置位图源内存流
bi.SetSource（毫秒）;
//创建一个图像用户界面元素 - 注意：这可能在XAML中声明，而不是
图像形象=新的图像（）;图像
//设置大小为位图大小此演示
image.Height = bi.PixelHeight;
image.Width = bi.PixelWidth;
//将位图图像输出到图像的源
image.Source =双向;
//图像添加到网格以便显示位映像
ContentPanelx.Children.Add（图像）;
}
}
我觉得在一个简单的循环图像后，我已经加载这一点。我能做到这一点的iOS，但我的C＃是技能，比坏的更坏。
任何人都可以提出建议吗？
非常感谢，
-Cake
如果图像在XAML中声明你可以像这样旋转：
// XAML
< Image.RenderTransform>
< RotateTransform角=90/>
< /Image.RenderTransform>
同样的事情可以直通C＃也可以做。如果你总是旋转的图像，然后doint它在XAML是optioin
// C＃
（（RotateTransform越好）image.RenderTransform）.Angle =角;
请试试这个：
RotateTransform RT =新RotateTransform（）;
rt.Angle = 90;
image.RenderTransform = RT;
Hi guys I display a photo I took on one of my pages.
I capture the photo in Portrait mode and it works ok.
When I show the picture on my next view it treats the photo like it was taken in Landscape.
So I need to rotate the picture/image by -90 to correct this.
Here is the relevant code of my .XAML
<!--ContentPanel - place additional content here-->
<Grid x:Name="ContentPanelx" Grid.Row="1" Margin="0,0,0,0">
</Grid>
And here is the methods where I load the photo and put it into the ContentPanel.
void loadImage() { // The image will be read from isolated storage into the following byte array
byte[] data;
// Read the entire image in one go into a byte array
using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
{
// Open the file - error handling omitted for brevity
// Note: If the image does not exist in isolated storage the following exception will be generated:
// System.IO.IsolatedStorage.IsolatedStorageException was unhandled
// Message=Operation not permitted on IsolatedStorageFileStream
using (IsolatedStorageFileStream isfs = isf.OpenFile("0.jpg", FileMode.Open, FileAccess.Read))
{
// Allocate an array large enough for the entire file
data = new byte[isfs.Length];
// Read the entire file and then close it
isfs.Read(data, 0, data.Length);
isfs.Close();
}
}
// Create memory stream and bitmap
MemoryStream ms = new MemoryStream(data);
BitmapImage bi = new BitmapImage();
// Set bitmap source to memory stream
bi.SetSource(ms);
// Create an image UI element – Note: this could be declared in the XAML instead
Image image = new Image();
// Set size of image to bitmap size for this demonstration
image.Height = bi.PixelHeight;
image.Width = bi.PixelWidth;
// Assign the bitmap image to the image’s source
image.Source = bi;
// Add the image to the grid in order to display the bit map
ContentPanelx.Children.Add(image);
}
}
I think a simple rotate on the image after I've loaded this. I can do this in iOS but my C# is skills are worse than bad.
Can anybody advise on this ?
Many Thanks, -Cake
If the image is declared in xaml you can rotate it like this:
//XAML
<Image.RenderTransform>
<RotateTransform Angle="90" />
</Image.RenderTransform>
Same thing can be done thru c# also. If you always rotate the image , then doint it in xaml is the better optioin
//C#
((RotateTransform)image.RenderTransform).Angle = angle;
Please try this one:
RotateTransform rt = new RotateTransform();
rt.Angle = 90;
image.RenderTransform = rt;
这篇关于在旋转的Windows Phone图像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！
