Of a shape detectable and others not, or simplifying the hit draw function So that it’s easier for users to interact with a shape, making some portions Using a custom draw hitįunction can have several benefits, such as making the hit region larger Will use to draw a region used for hit detection. A hit draw function is the function that Konva To create a custom hit draw function for a shape with Konva, we can set There are two ways to change hit region of the shape: hitFunc and hitStrokeWidth properties. I realize now that "easier 1-pixel selection" is probably a feature suggestion for the next version and for now I'll just have to be more careful with my mouse using Rect selection.Getting Started Intro Overview Need help? Support Konva Tools Shapes Rect Circle Ellipse Wedge Line - Simple Line Line - Polygon Line - Spline Line - Blob Sprite Image Text TextPath Star Ring Arc Label Path RegularPolygon Arrow Custom Guides Position vs Offset Tainted Canvas Issue Styling Fill Stroke Opacity Shadow Line Join Hide and Show Mouse Cursor Style Blend Mode Fill Stroke Order Events Binding Events Mobile Events Pointer Events Desktop and Mobile Event Mobile Scrolling Multi Event Remove Event Remove by Name Listen for Events Cancel Propagation Event Delegation Fire Events Stage Events Custom Hit Region Image Hit Region Keyboard Events Desktop and Mobile Drag and Drop Drag and Drop Drag an Image Drag a Group Drag a Line Drag a Stage Drag Events Simple Drag Bounds Complex Drag and Drop Drop Events Select and Transform Basic demo Centered Scaling Keep Ratio Styling Complex Styling Transform Events Resize Limits Rotation Snaps Resize Snaps Stop Transform Force Update Text Resizing Ignore Stroke Clipping Simple Clip Complex Clip Groups, Layers and Ordering Groups Layering Change Containers zIndex Filters Blur Brighten Contrast Emboss Enhance Grayscale HSL HSV RGB Invert Kaleidoscope Mask Noise Pixelate Custom Filter Multiple Filters Tweens Linear Easing Common Easings All Easings Finish Event All Controls Tween Filter Complex Tweening Animations Create an Animation Moving Rotation Scaling Stop Animation Selectors Select by id Select by Type Select by Name Data & Serialization & Export Serialize a Stage Simple Load Complex Load JSON Best Practices Stage Data URL Export to HD Image Performance All tips Layer Management Batch Draw Shape Caching Optimize Animation Optimize Strokes Shape Redraw Disable Perfect Drawing Listening False Avoid Memory Leaks Is there a quick way to draw one transparent pixel? I realize I could draw a pixel with zero alpha, but AFAIK that doesn't erase what's underneath so that won't actually turn that pixel transparent. (Like you can do in powerpoint or word when you want to do mulitple selection)Ĭrosswalker's suggestion to use magic wand is a good one, but in practice I find that doesn't work too often since down at the pixel level the wand often brings in more than one pixel.īob's suggestion to use the pencil and color picker is also a good one when drawing single pixels- but I most often need this to select a single pixel so that I can turn that pixel transparent (using the Del key). Even better if you could hold down the control key and double click other pixels and it'd add each pixel to the selection. I was hoping for an easier way, like double-clicking on that pixel to select it. But I'd love a way to select one pixel without having to be as careful with the mouse- invariably half the time I select an extra pixel or don't select any pixels when I'm just trying to select one. Kaiser - Yep, I'm already running very zoomed (3200%), and can already use rectangle select to select a pixel.
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