src/ui/a11y/testing/fidl/magnifier.test.fidl

// Copyright 2022 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

library test.accessibility;

// A test protocol that enables clients to control magnification directly.
//
// For use with GFX only.
@discoverable
protocol Magnifier {
    // Sets the new magnification transform using the scale and translation provided.
    SetMagnification(struct {
        // The new mangification scale.
        scale float32;

        // The new magnification x translation.
        translation_x float32;

        // THe new magnification y translation.
        translation_y float32;
    }) -> ();
};