Literall圜anvas() instance, and tool is the tool instance. ReactComponent – A React component taking the props lc and tool. Identifier – String used as the value of tool.optionsStyle to attach this options defineOptionsStyle ( identifier, ReactComponent ) ¶ Arguments To define your own options style, use this function: LC. Tool.font to a canvas-compatible font string like italic 18px Garamond. The font style will set tool.text to the user-entered text, and The stroke-width style will “magically” set tool.strokeWidth on theĪctive tool when the user clicks an option. The two built-in options styles are 'stroke-width' and font. When you activate a tool, the bottom toolbar changes to show the tool’s current Minor changes to your custom tools in the future when we improve it. This is the roughest edge of the extensibility API. There may eventually be a better API for adding UI to tools.
Just make sure you clean up when your tool is deactivated! New DOM nodes to lc.containerEl with on-screen UI, like the text and If you’re feeling adventurous, you can add Usually you’ll be drawing and adding shapes, but you can also set colors, pan, Tools can call any method on the given Literall圜anvas() object. Name of the image to be used in the toolbar for this tool, not including Literally Canvas has two APIs for creating tools: a simple API (old style)įor both APIs, a tool is an object with a specific set of keys.
The repository and send us a pull request. If you want to contribute a tool to the project, then by all means, clone If you need custom tools for your particularĪpplication, you can do that without changing Literally Canvas’s source code. If (((MainWindow)).Theme_Control.IsChecked = true)įrontFog_Text.Fill = new SolidColorBrush(.White) Įlse if (((MainWindow)).Theme_Control.IsChecked = false)įrontFog_Text.Fill = new SolidColorBrush(.If your method of adding tools is to fork the project or edit the generated I am not using this in my application but came across this when testing a few things so I thought I would share in this thread while I search for my answer! private void FrontFog_ToggleButton_Unchecked(object sender, RoutedEventArgs e) In my example, I am using data to draw a "text" on screen (FrontFog_Text, Which is why the text is using the. Note: this will not work for 2 themed applications and other scenarios where more than basic use case is needed. You can do this in MVVM by getting the status of MainWindow Objects from a User Control and changing whatever you want from the MainWindow object status.
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Strangely, you can't just use the StaticResource col and still have this work - but with the binding it and automatically uses the ValueConverter to turn the string into a brush.Ī quick work around for this (Although its not binding, and less efficient) is to check the status of an object/element and update the new/other object(s) based on the status, I'll provide a Basic Example Below. So you're right - you can't use it in Xaml - but you don't need to.Įven if you had a string value that you wanted to bind in as the fill, you don't need to specify the converter manually. That Xaml is essentially converted into the equivalent longhand: then the runtime automagically uses a BrushConverter to turn the string literal into a brush. See this article for details.įurther edit (having reread Aviad's comment): you don't need to explicitly use the TypeConverter in Xaml - it's used for you.
A TypeConverter is the right solution here (because you're one-way converting a string to a brush). You also don't want an IValueConverter - these are typically used for binding scenarios.
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The code above works perfectly fine in code, which is what the original question was asking about.
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The more efficient way is to use the full syntax: myEllipse.Fill = new SolidColorBrush(Colors.Red) The converter is : BrushConverter bc = new BrushConverter() īrush brush = (Brush) bc.ConvertFrom("Red") It's worth pointing out that the converter the other posts reference already exists, which is why you can do in xaml in the first place.
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