I'm working with a toggle button and rather than show text I want to show an image so I have this:
<ToggleButton Grid.Column="1" IsChecked="true" MinWidth="50" MinHeight="0" BorderThickness="0" HorizontalAlignment="Center">
<Image Source="ms-appx:///Assets/Icons/phonebutton.png" Stretch="None" RenderTransformOrigin="0.5,0.5" Margin="0">
<Image.RenderTransform>
<CompositeTransform ScaleX="0.5" ScaleY="0.5"/>
</Image.RenderTransform>
</Image>
</ToggleButton>
I have the transform to make the image a bit smaller so it's "inside" the button instead of filling it.
However, no matter what I do the button has a large padding around the image, even though the image itself has no margins or padding. I've set margin=0 on everything but the ToggleButton insists on putting space around the image, so the button is larger than it needs to be and cuts off inside the grid row it's in (which has a height="*")
I want the toggle button to "shrink" to fit in the row but still show the full image inside ...
while typing this the autosuggest found this link ToggleButton does not fill the area(windows phone) and by adding the style PhoneTouchTargetOverhang it does look better but then cuts off the image at the bottom unless I add negative padding to the togglebutton.
Anyone have any idea what I'm doing wrong?
Is there any way to disable it?
I have added the following margin to an image of 512x512:
<Image Source="/Assets/award4.png" Stretch="None" RenderTransformOrigin="0.5,0.5" Margin="-100,0,-100,0">
<Image.RenderTransform>
<CompositeTransform ScaleX="0.5" ScaleY="0.5"/>
</Image.RenderTransform>
</Image>
And it fits centered
Related
I want to enable user to resize the NavigationView in my UWP app. Couldn't find any resources how I could do that.
I see some of the apps have "Resizable splitView" but for SplitView also, I cannot see any such resize property exposed to set by default.
Pls help.
Thanks in Advance
There are no such property can resize SplitView and NavigationView, you need to custom layout to implement a similar effect. You could use Slider control and bind the OpenPaneLength Property of SplitView to Slider.Value to do this. Please refer to the following code.
<Grid>
<SplitView Name="CoreSplitView"
DisplayMode="Inline"
IsPaneOpen="True"
OpenPaneLength="{Binding Value, ElementName=MasterSlider, Mode=OneWay}">
<SplitView.Pane>
<Grid Name="PaneGrid" Background="Gray">
<Slider Name="MasterSlider"
MinWidth="480"
VerticalAlignment="Stretch"
Maximum="480"
Minimum="10"
Opacity="0"
Value="150"
/>
<StackPanel Name="PaneStackPanel"
Margin="0,0,10,0" Background="LightGray">
<TextBlock TextWrapping="Wrap" Text="Use a slider when you want your users to be able to set defined, contiguous values (such as volume or brightness) or a range of discrete values (such as screen resolution settings).A slider is a good choice when you know that users think of the value as a relative quantity" />
</StackPanel>
</Grid>
</SplitView.Pane>
<Grid Name="ContentGrid" Background="LightSteelBlue">
</Grid>
</SplitView>
</Grid>
The StackPanel that is directly under our slider, acts like a cover for our Slider. Notice the StackPanel has Margin="0,0,10,0", this translates to a 10px distance from the right wall, which allows the Slider area to be exposed as a gray strip that is used to drag the Pane, again the 10px is arbitrary but it has to match the Minimum of the Slider.
I am using ImageCircle plugin for xamarin forms
and it works well sometimes, when the picture is a kind of square...
But, when it's a rectangle, my image is resized and it's not that I planned
what Can I do to the image stop resize?
my code
<controls:CircleImage WidthRequest="75" HeightRequest="75" Grid.Row ="0" Grid.Column="1" Source="cadastrarPhoto.png" x:Name="cadastrar_foto_perfil">
I seted a fix height and width as you can see, but it didn't solve my problem, maybe because this circle image is a child of a grid and its grandfather (lol) is a relative layout but I really don't know if WidthRequest can change because of that...
How it always should be
How it is when the image is a rectangle:
EDIT---------------------------------------------
I put it in a Stach layout and I defined Aspect as fit...it helped but didnt solve...
<StackLayout Orientation="Horizontal" HorizontalOptions="Center" WidthRequest="75" HeightRequest="75" Grid.Row="0" Grid.Column="1">
<controls:CircleImage Aspect="AspectFit" VerticalOptions="EndAndExpand" HorizontalOptions="EndAndExpand" Source="cadastrarPhoto.png" x:Name="cadastrar_foto_perfil">
<controls:CircleImage.GestureRecognizers>
<TapGestureRecognizer Tapped="ChamaPickerImage"/>
</controls:CircleImage.GestureRecognizers>
</controls:CircleImage>
</StackLayout>
I changed the api that I was using.
Now I use ffimage
Setting your HorizontalOptions="EndAndExpand" is what is causing you issues.
Instead, try setting both HorizontalOptions and VerticalOptions to a vaule that doesn't expand (Start, Center, End)
Note: I've noticed that you actually have to explicitly set HorizontalOptions to something that doesn't expand in order to get iOS to avoid stretching your CircleImage. Simply leaving it blank will default to stretching the image.
In the image, instead of HorizontalOptions="EndAndExpand" or VerticalOptions="EndAndExpand", just set it as "Start", "Center" or "End".
By default if you set it as "xxExpand" or do not set it at all, Xamarin iOS expands the image...
I have a Grid with an Image inside a ScrollViewer. The user needs to be able to zoom in and out of the image. The problem is when I zoom the scrollviewer seems to snap back to the left side of the image although I want the viewer to stay at the zoomed position. The XAML code looks like this
<ScrollViewer Name="ScrollViewer" HorizontalSnapPointsType="None" VerticalSnapPointsType="None" ZoomSnapPointsType="None">
<Grid x:Name="RenderedGrid" Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
<Image x:Name="RenderedImage" Stretch="Fill" />
<canvas:CanvasControl Name="DrawingCanvas" Draw="CanvasControl_Draw" ClearColor="Transparent"/>
</Grid>
</ScrollViewer>
I thought it would be enough with setting the SnapPointType to "None", but that doesn't seem to work.
I wrote a blog post exactly about this issue: Why is my zoomable ScrollViewer snapping the image to the left?
The first part of the problem is the ScrollViewer itself, it needs the HorizontalScrollBarVisibility and VerticalScrollBarVisibility set to Auto.
<ScrollViewer ZoomMode="Enabled"
MinZoomFactor="1"
MaxZoomFactor="4"
HorizontalScrollBarVisibility="Auto"
VerticalScrollBarVisibility="Auto">
For that to really work, you'll need to limit the Image size to some width/height, like this:
<Image Source="{Binding ImageUri}"
MaxWidth="{Binding DataContext.PageWidth, ElementName=MyPage}"
MaxHeight="{Binding DataContext.PageHeight, ElementName=MyPage}"/>
You can find more details in my blog post, and full source code on GitHub.
I try to understand how windows phone viewport control Bounds work.
So i can give
viewport.Bunds = new Rect(x,y,width, height);
but what that bound stand for is it a scrollable area in the viewport.
Can anyone give me a working simple example of it cause whenever i try to use this parameter i can't scroll in viewport whatsover
<Grid x:Name="ContentPanel" Grid.Row="1" Margin="0,0,0,0">
<ViewportControl Name="tuzik" Bounds="0,0,300,400" Margin="66,117,20,41" >
<Canvas Name="canvas">
<Image Name="TestImage" Source="Assets\testimage.jpg"
HorizontalAlignment="Left" VerticalAlignment="Top"
Canvas.Left="-379" Canvas.Top="-769" Stretch="Fill" />
</Canvas>
</ViewportControl>
<Rectangle x:Name="rect" Width="300" Height="400" Margin="60,111,63,0" Stroke="Aqua" />
</Grid>
I believe your problem is the Canvas within the ViewportControl. Canvas does not expand to fill the ViewportControl and will not expand to contain the contents, either. You have to set a Width and Height on the Canvas.
(At least, that's how I have mine setup.)
I have added a ListView to a Metro Style Blank App. Added to the ListView are 3 Strings. I want to change the LineHeight , but cannot find a property. Below is my xaml code.
<Grid Background="{StaticResource ApplicationPageBackgroundBrush}">
<ListView HorizontalAlignment="Left" Height="277.167" Margin="235.51,161,0,0" VerticalAlignment="Top" Width="100" RenderTransformOrigin="0.5,0.5" UseLayoutRounding="False" d:LayoutRounding="Auto">
<ListView.RenderTransform>
<CompositeTransform SkewX="-0.338" TranslateX="-0.327"/>
</ListView.RenderTransform>
<x:String>test 1</x:String>
<x:String>Test2</x:String>
<x:String>Test3</x:String>
</ListView>
</Grid>
How do I decrease, increase the line height of the strings in the ListView box? I want to decrease the space between the lines.
Thanks
Try editing a ItemContainerTemplate and then play with the properties available like margin and padding.
See my answer here :
WPF ComboBox customization in windows8
let me know in case you need any help.