| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.tools.idea.uibuilder.model; |
| |
| import com.android.annotations.NonNull; |
| import com.android.annotations.Nullable; |
| import com.android.tools.idea.uibuilder.surface.DesignSurface; |
| import com.android.tools.idea.uibuilder.surface.ScreenView; |
| |
| public class Coordinates { |
| /** |
| * Returns the Swing x coordinate (in the {@link DesignSurface} coordinate |
| * system) of the given x coordinate in the Android screen coordinate system |
| */ |
| @SwingCoordinate |
| public static int getSwingX(@NonNull ScreenView view, @AndroidCoordinate int androidX) { |
| return view.getX() + (int)(view.getScale() * androidX); |
| } |
| |
| /** |
| * Returns the Swing x coordinate (in the {@link DesignSurface} coordinate |
| * system) of the given x coordinate in the Android screen coordinate system |
| */ |
| @SwingCoordinate |
| public static int getSwingY(@NonNull ScreenView view, @AndroidCoordinate int androidY) { |
| return view.getY() + (int)(view.getScale() * androidY); |
| } |
| |
| /** |
| * Returns the Swing dimension (in the {@link DesignSurface} coordinate |
| * system) of the given dimension in the Android screen coordinate system |
| */ |
| @SwingCoordinate |
| public static int getSwingDimension(@NonNull ScreenView view, @AndroidCoordinate int androidDimension) { |
| return (int)(view.getScale() * androidDimension); |
| } |
| |
| /** |
| * Returns the Android x coordinate for the given Swing x coordinate (in |
| * the {@link DesignSurface} coordinate system.) |
| */ |
| @AndroidCoordinate |
| public static int getAndroidX(@NonNull ScreenView view, @SwingCoordinate int swingX) { |
| return (int)((swingX - view.getX()) / view.getScale()); |
| } |
| |
| /** |
| * Returns the Android y coordinate for the given Swing y coordinate (in |
| * the {@link DesignSurface} coordinate system.) |
| */ |
| @AndroidCoordinate |
| public static int getAndroidY(@NonNull ScreenView view, @SwingCoordinate int swingY) { |
| return (int)((swingY - view.getY()) / view.getScale()); |
| } |
| |
| /** |
| * Returns the Android dimension for the given Swing dimension coordinate (in |
| * the {@link DesignSurface} coordinate system.) |
| */ |
| @AndroidCoordinate |
| public static int getAndroidDimension(@NonNull ScreenView view, @SwingCoordinate int swingDimension) { |
| return (int)(swingDimension / view.getScale()); |
| } |
| |
| /** Returns the component at the given (x,y) coordinate in the Swing coordinate system */ |
| @Nullable |
| public static NlComponent findComponent(@NonNull ScreenView view, |
| @SwingCoordinate int swingX, |
| @SwingCoordinate int swingY) { |
| return view.getModel().findLeafAt(getAndroidX(view, swingX), getAndroidY(view, swingY), false); |
| } |
| } |