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A pure Kotlin, UI framework for the Web and Desktop

There is a newer version: 0.10.4

package io.nacular.doodle.drawing

import io.nacular.doodle.core.View
import io.nacular.doodle.geometry.Rectangle


/**
 * An internal manger that handles all render operations within an app.
 */
public interface RenderManager {
    /**
     * Renders the given [View] during the next render cycle.  This has no effect
     * if the given [View] is not currently added to the [Display][io.nacular.doodle.core.Display].
     *
     * @param view
     */
    public fun render(view: View)

    /**
     * Renders the given [View] immediately, without waiting until the next render cycle.  This has no effect
     * if the given [View] is not currently added to the [Display][io.nacular.doodle.core.Display].
     *
     * @param view
     */
    public fun renderNow(view: View)

    public fun layout(view: View)

    public fun layoutNow(view: View)

    /**
     * @param of
     * @return the [View]'s current display rectangle (in its coordinate system) based on clipping with ancestor display rectangles.
     */
    public fun displayRect(of: View): Rectangle
}