Bug 702416 - Replace FloatRect with android.graphics.RectF [r=pcwalton]

This commit is contained in:
Kartikaya Gupta 2011-11-15 12:13:06 -05:00
Родитель c1bba92a23
Коммит 4fbd70a78b
9 изменённых файлов: 108 добавлений и 179 удалений

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@ -41,7 +41,6 @@
package org.mozilla.gecko;
import org.mozilla.gecko.gfx.GeckoSoftwareLayerClient;
import org.mozilla.gecko.gfx.FloatRect;
import org.mozilla.gecko.gfx.IntSize;
import org.mozilla.gecko.gfx.LayerController;
import org.mozilla.gecko.gfx.LayerView;
@ -1742,9 +1741,9 @@ abstract public class GeckoApp
originalY = aY;
}
public void repositionFromVisibleRect(FloatRect rect) {
x = originalX - (int)rect.x;
y = originalY - (int)rect.y;
public void repositionFromVisibleRect(RectF rect) {
x = originalX - (int)rect.left;
y = originalY - (int)rect.top;
}
}
}

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@ -73,7 +73,6 @@ JAVAFILES = \
gfx/BufferedCairoImage.java \
gfx/CairoImage.java \
gfx/CairoUtils.java \
gfx/FloatRect.java \
gfx/GeckoSoftwareLayerClient.java \
gfx/InputConnectionHandler.java \
gfx/IntSize.java \

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@ -1,98 +0,0 @@
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Android code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009-2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Patrick Walton <pcwalton@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
package org.mozilla.gecko.gfx;
import android.graphics.PointF;
import android.graphics.Rect;
public class FloatRect {
public final float x, y, width, height;
public FloatRect(float inX, float inY, float inWidth, float inHeight) {
x = inX; y = inY; width = inWidth; height = inHeight;
}
public FloatRect(Rect intRect) {
x = intRect.left; y = intRect.top; width = intRect.width(); height = intRect.height();
}
@Override
public boolean equals(Object other) {
if (!(other instanceof FloatRect))
return false;
FloatRect otherRect = (FloatRect)other;
return x == otherRect.x && y == otherRect.y &&
width == otherRect.width && height == otherRect.height;
}
public float getRight() { return x + width; }
public float getBottom() { return y + height; }
public PointF getOrigin() { return new PointF(x, y); }
public PointF getCenter() { return new PointF(x + width / 2, y + height / 2); }
/** Returns the intersection of this rectangle with another rectangle. */
public FloatRect intersect(FloatRect other) {
float left = Math.max(x, other.x);
float top = Math.max(y, other.y);
float right = Math.min(getRight(), other.getRight());
float bottom = Math.min(getBottom(), other.getBottom());
return new FloatRect(left, top, Math.max(right - left, 0), Math.max(bottom - top, 0));
}
/** Returns true if and only if the given rectangle is fully enclosed within this one. */
public boolean contains(FloatRect other) {
return x <= other.x && y <= other.y &&
getRight() >= other.getRight() &&
getBottom() >= other.getBottom();
}
/** Contracts a rectangle by the given number of units in each direction, from the center. */
public FloatRect contract(float lessWidth, float lessHeight) {
float halfWidth = width / 2.0f - lessWidth, halfHeight = height / 2.0f - lessHeight;
PointF center = getCenter();
return new FloatRect(center.x - halfWidth, center.y - halfHeight,
halfWidth * 2.0f, halfHeight * 2.0f);
}
/** Scales all four dimensions of this rectangle by the given factor. */
public FloatRect scaleAll(float factor) {
return new FloatRect(x * factor, y * factor, width * factor, height * factor);
}
}

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@ -38,7 +38,6 @@
package org.mozilla.gecko.gfx;
import org.mozilla.gecko.gfx.CairoImage;
import org.mozilla.gecko.gfx.FloatRect;
import org.mozilla.gecko.gfx.IntSize;
import org.mozilla.gecko.gfx.LayerClient;
import org.mozilla.gecko.gfx.LayerController;
@ -50,7 +49,9 @@ import org.mozilla.gecko.GeckoAppShell;
import org.mozilla.gecko.GeckoEvent;
import android.content.Context;
import android.graphics.Point;
import android.graphics.PointF;
import android.graphics.Rect;
import android.graphics.RectF;
import android.util.Log;
import java.nio.ByteBuffer;
import java.util.concurrent.Semaphore;
@ -71,7 +72,7 @@ public class GeckoSoftwareLayerClient extends LayerClient {
private SingleTileLayer mTileLayer;
private ViewportController mViewportController;
private FloatRect mGeckoVisibleRect;
private RectF mGeckoVisibleRect;
/* The viewport rect that Gecko is currently displaying. */
private Rect mJSPanningToRect;
@ -91,7 +92,7 @@ public class GeckoSoftwareLayerClient extends LayerClient {
mContext = context;
mViewportController = new ViewportController(new IntSize(PAGE_WIDTH, PAGE_HEIGHT),
new FloatRect(0, 0, 1, 1));
new RectF(0, 0, 1, 1));
mWidth = LayerController.TILE_WIDTH;
mHeight = LayerController.TILE_HEIGHT;
@ -150,9 +151,9 @@ public class GeckoSoftwareLayerClient extends LayerClient {
mViewportController.setVisibleRect(mGeckoVisibleRect);
if (mGeckoVisibleRect != null) {
FloatRect layerRect = mViewportController.untransformVisibleRect(mGeckoVisibleRect,
getPageSize());
mTileLayer.origin = layerRect.getOrigin();
RectF layerRect = mViewportController.untransformVisibleRect(mGeckoVisibleRect,
getPageSize());
mTileLayer.origin = new PointF(layerRect.left, layerRect.top);
}
repaint(new Rect(x, y, x + width, y + height));
@ -164,7 +165,7 @@ public class GeckoSoftwareLayerClient extends LayerClient {
/** Called whenever the chrome JS finishes panning or zooming to some location. */
public void jsPanZoomCompleted(Rect rect) {
mGeckoVisibleRect = new FloatRect(rect);
mGeckoVisibleRect = new RectF(rect);
if (mWaitingForJSPanZoom)
render();
}
@ -208,12 +209,12 @@ public class GeckoSoftwareLayerClient extends LayerClient {
@Override
public void render() {
LayerController layerController = getLayerController();
FloatRect visibleRect = layerController.getVisibleRect();
FloatRect tileRect = mViewportController.widenRect(visibleRect);
RectF visibleRect = layerController.getVisibleRect();
RectF tileRect = mViewportController.widenRect(visibleRect);
tileRect = mViewportController.clampRect(tileRect);
IntSize pageSize = layerController.getPageSize();
FloatRect viewportRect = mViewportController.transformVisibleRect(tileRect, pageSize);
RectF viewportRect = mViewportController.transformVisibleRect(tileRect, pageSize);
/* Prevent null pointer exceptions at the start. */
if (mGeckoVisibleRect == null)
@ -234,8 +235,8 @@ public class GeckoSoftwareLayerClient extends LayerClient {
/* Otherwise, we need to get Gecko's visible rect equal to our visible rect before we can
* safely draw. If we're just waiting for chrome JavaScript to catch up, we do nothing.
* This check avoids bombarding the chrome JavaScript with messages. */
int viewportRectX = (int)Math.round(viewportRect.x);
int viewportRectY = (int)Math.round(viewportRect.y);
int viewportRectX = (int)Math.round(viewportRect.left);
int viewportRectY = (int)Math.round(viewportRect.top);
Rect panToRect = new Rect(viewportRectX, viewportRectY,
viewportRectX + LayerController.TILE_WIDTH,
viewportRectY + LayerController.TILE_HEIGHT);
@ -258,7 +259,7 @@ public class GeckoSoftwareLayerClient extends LayerClient {
}
/* Returns the dimensions of the box in page coordinates that the user is viewing. */
private FloatRect getTransformedVisibleRect() {
private RectF getTransformedVisibleRect() {
LayerController layerController = getLayerController();
return mViewportController.transformVisibleRect(layerController.getVisibleRect(),
layerController.getPageSize());

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@ -37,7 +37,6 @@
package org.mozilla.gecko.gfx;
import org.mozilla.gecko.gfx.FloatRect;
import org.mozilla.gecko.gfx.IntSize;
import org.mozilla.gecko.gfx.Layer;
import org.mozilla.gecko.gfx.LayerClient;
@ -50,6 +49,7 @@ import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.PointF;
import android.graphics.Rect;
import android.graphics.RectF;
import android.util.Log;
import android.view.MotionEvent;
import android.view.GestureDetector;
@ -66,7 +66,7 @@ public class LayerController {
private Layer mRootLayer; /* The root layer. */
private LayerView mView; /* The main rendering view. */
private Context mContext; /* The current context. */
private FloatRect mVisibleRect; /* The current visible region. */
private RectF mVisibleRect; /* The current visible region. */
private IntSize mScreenSize; /* The screen size of the viewport. */
private IntSize mPageSize; /* The current page size. */
@ -91,7 +91,7 @@ public class LayerController {
public LayerController(Context context) {
mContext = context;
mVisibleRect = new FloatRect(0.0f, 0.0f, 1.0f, 1.0f);
mVisibleRect = new RectF(0.0f, 0.0f, 1.0f, 1.0f);
/* Gets filled in when the surface changes. */
mScreenSize = new IntSize(1, 1);
@ -113,7 +113,7 @@ public class LayerController {
public Layer getRoot() { return mRootLayer; }
public LayerView getView() { return mView; }
public Context getContext() { return mContext; }
public FloatRect getVisibleRect() { return mVisibleRect; }
public RectF getVisibleRect() { return mVisibleRect; }
public IntSize getScreenSize() { return mScreenSize; }
public IntSize getPageSize() { return mPageSize; }
@ -135,7 +135,7 @@ public class LayerController {
* Note that the zoom factor of the layer controller differs from the zoom factor of the layer
* client (i.e. the page).
*/
public float getZoomFactor() { return (float)mScreenSize.width / mVisibleRect.width; }
public float getZoomFactor() { return (float)mScreenSize.width / mVisibleRect.width(); }
/**
* The view calls this to indicate that the screen changed size.
@ -148,7 +148,8 @@ public class LayerController {
float zoomFactor = getZoomFactor(); /* Must come first. */
mScreenSize = new IntSize(width, height);
setVisibleRect(mVisibleRect.x, mVisibleRect.y, width / zoomFactor, height / zoomFactor);
setVisibleRect(mVisibleRect.left, mVisibleRect.top, width / zoomFactor,
height / zoomFactor);
notifyLayerClientOfGeometryChange();
}
@ -158,11 +159,11 @@ public class LayerController {
}
public void scrollTo(float x, float y) {
setVisibleRect(x, y, mVisibleRect.width, mVisibleRect.height);
setVisibleRect(x, y, mVisibleRect.width(), mVisibleRect.height());
}
public void setVisibleRect(float x, float y, float width, float height) {
mVisibleRect = new FloatRect(x, y, width, height);
mVisibleRect = new RectF(x, y, x + width, y + height);
setNeedsDisplay();
GeckoApp.mAppContext.repositionPluginViews();
}
@ -174,10 +175,9 @@ public class LayerController {
*/
public void unzoom() {
float zoomFactor = getZoomFactor();
mVisibleRect = new FloatRect(Math.round(mVisibleRect.x * zoomFactor),
Math.round(mVisibleRect.y * zoomFactor),
mScreenSize.width,
mScreenSize.height);
float x = Math.round(mVisibleRect.left * zoomFactor);
float y = Math.round(mVisibleRect.top * zoomFactor);
mVisibleRect = new RectF(x, y, x + mScreenSize.width, y + mScreenSize.height);
mPageSize = mPageSize.scale(zoomFactor);
setNeedsDisplay();
}
@ -216,24 +216,25 @@ public class LayerController {
return aboutToCheckerboard();
}
private FloatRect getTileRect() {
return new FloatRect(mRootLayer.origin.x, mRootLayer.origin.y, TILE_WIDTH, TILE_HEIGHT);
private RectF getTileRect() {
float x = mRootLayer.origin.x, y = mRootLayer.origin.y;
return new RectF(x, y, x + TILE_WIDTH, y + TILE_HEIGHT);
}
// Returns true if a checkerboard is about to be visible.
private boolean aboutToCheckerboard() {
Rect pageRect = new Rect(0, 0, mPageSize.width, mPageSize.height);
Rect adjustedPageRect = RectUtils.contract(pageRect, DANGER_ZONE_X, DANGER_ZONE_Y);
FloatRect visiblePageRect = mVisibleRect.intersect(new FloatRect(adjustedPageRect));
FloatRect adjustedTileRect = getTileRect().contract(DANGER_ZONE_X, DANGER_ZONE_Y);
RectF visiblePageRect = RectUtils.intersect(mVisibleRect, new RectF(adjustedPageRect));
RectF adjustedTileRect = RectUtils.contract(getTileRect(), DANGER_ZONE_X, DANGER_ZONE_Y);
return !adjustedTileRect.contains(visiblePageRect);
}
/** Returns the given rect, clamped to the boundaries of a tile. */
public FloatRect clampRect(FloatRect rect) {
float x = clamp(0, rect.x, mPageSize.width - LayerController.TILE_WIDTH);
float y = clamp(0, rect.y, mPageSize.height - LayerController.TILE_HEIGHT);
return new FloatRect(x, y, rect.width, rect.height);
public RectF clampRect(RectF rect) {
float x = clamp(0, rect.left, mPageSize.width - LayerController.TILE_WIDTH);
float y = clamp(0, rect.top, mPageSize.height - LayerController.TILE_HEIGHT);
return new RectF(x, y, x + rect.width(), y + rect.height());
}
private float clamp(float min, float value, float max) {
@ -243,16 +244,16 @@ public class LayerController {
}
// Returns the coordinates of a tile, scaled by the given factor, centered on the given rect.
private static FloatRect widenRect(FloatRect rect, float scaleFactor) {
PointF center = rect.getCenter();
private static RectF widenRect(RectF rect, float scaleFactor) {
PointF center = new PointF(rect.centerX(), rect.centerY());
float halfTileWidth = TILE_WIDTH * scaleFactor / 2.0f;
float halfTileHeight = TILE_HEIGHT * scaleFactor / 2.0f;
return new FloatRect(center.x - halfTileWidth, center.y - halfTileHeight,
halfTileWidth, halfTileHeight);
return new RectF(rect.centerX() - halfTileWidth, rect.centerY() - halfTileHeight,
rect.centerX() + halfTileWidth, rect.centerY() + halfTileHeight);
}
/** Returns the coordinates of a tile centered on the given rect. */
public static FloatRect widenRect(FloatRect rect) {
public static RectF widenRect(RectF rect) {
return widenRect(rect, 1.0f);
}
@ -269,7 +270,8 @@ public class LayerController {
// Undo the transforms.
PointF scaledPoint = PointUtils.scale(viewPoint, 1.0f / getZoomFactor());
return PointUtils.subtract(PointUtils.add(mVisibleRect.getOrigin(), scaledPoint),
return PointUtils.subtract(PointUtils.add(new PointF(mVisibleRect.left, mVisibleRect.top),
scaledPoint),
mRootLayer.origin);
}

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@ -38,7 +38,6 @@
package org.mozilla.gecko.gfx;
import org.mozilla.gecko.gfx.BufferedCairoImage;
import org.mozilla.gecko.gfx.FloatRect;
import org.mozilla.gecko.gfx.IntSize;
import org.mozilla.gecko.gfx.LayerController;
import org.mozilla.gecko.gfx.LayerView;
@ -49,6 +48,7 @@ import org.mozilla.gecko.gfx.TextLayer;
import org.mozilla.gecko.gfx.TileLayer;
import android.content.Context;
import android.graphics.Rect;
import android.graphics.RectF;
import android.opengl.GLSurfaceView;
import android.util.DisplayMetrics;
import android.util.Log;
@ -145,22 +145,22 @@ public class LayerRenderer implements GLSurfaceView.Renderer {
private void setupPageTransform(GL10 gl) {
LayerController controller = mView.getController();
FloatRect visibleRect = controller.getVisibleRect();
RectF visibleRect = controller.getVisibleRect();
float zoomFactor = controller.getZoomFactor();
gl.glLoadIdentity();
gl.glScalef(zoomFactor, zoomFactor, 1.0f);
gl.glTranslatef(-visibleRect.x, -visibleRect.y, 0.0f);
gl.glTranslatef(-visibleRect.left, -visibleRect.top, 0.0f);
}
private Rect getPageRect() {
LayerController controller = mView.getController();
float zoomFactor = controller.getZoomFactor();
FloatRect visibleRect = controller.getVisibleRect();
RectF visibleRect = controller.getVisibleRect();
IntSize pageSize = controller.getPageSize();
int x = (int)Math.round(-zoomFactor * visibleRect.x);
int y = (int)Math.round(-zoomFactor * visibleRect.y);
int x = (int)Math.round(-zoomFactor * visibleRect.left);
int y = (int)Math.round(-zoomFactor * visibleRect.top);
return new Rect(x, y,
x + (int)Math.round(zoomFactor * pageSize.width),
y + (int)Math.round(zoomFactor * pageSize.height));

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@ -38,6 +38,7 @@
package org.mozilla.gecko.gfx;
import android.graphics.Rect;
import android.graphics.RectF;
import org.json.JSONException;
import org.json.JSONObject;
@ -62,4 +63,29 @@ public final class RectUtils {
(int)Math.round((float)rect.right - halfLessWidth),
(int)Math.round((float)rect.bottom - halfLessHeight));
}
public static RectF contract(RectF rect, float lessWidth, float lessHeight) {
float halfLessWidth = lessWidth / 2;
float halfLessHeight = lessHeight / 2;
return new RectF(rect.left + halfLessWidth,
rect.top + halfLessHeight,
rect.right - halfLessWidth,
rect.bottom - halfLessHeight);
}
public static RectF intersect(RectF one, RectF two) {
float left = Math.max(one.left, two.left);
float top = Math.max(one.top, two.top);
float right = Math.min(one.right, two.right);
float bottom = Math.min(one.bottom, two.bottom);
return new RectF(left, top, Math.max(right, left), Math.max(bottom, top));
}
public static RectF scale(RectF rect, float scale) {
float x = rect.left * scale;
float y = rect.top * scale;
return new RectF(x, y,
x + (rect.width() * scale),
y + (rect.height() * scale));
}
}

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@ -38,12 +38,12 @@
package org.mozilla.gecko.ui;
import org.json.JSONObject;
import org.mozilla.gecko.gfx.FloatRect;
import org.mozilla.gecko.gfx.IntSize;
import org.mozilla.gecko.gfx.LayerController;
import org.mozilla.gecko.GeckoAppShell;
import org.mozilla.gecko.GeckoEvent;
import android.graphics.PointF;
import android.graphics.RectF;
import android.util.Log;
import android.view.GestureDetector;
import android.view.MotionEvent;
@ -276,16 +276,16 @@ public class PanZoomController
// Populates the viewport info and length in the axes.
private void populatePositionAndLength() {
IntSize pageSize = mController.getPageSize();
FloatRect visibleRect = mController.getVisibleRect();
RectF visibleRect = mController.getVisibleRect();
IntSize screenSize = mController.getScreenSize();
mX.setPageLength(pageSize.width);
mX.viewportPos = visibleRect.x;
mX.setViewportLength(visibleRect.width);
mX.viewportPos = visibleRect.left;
mX.setViewportLength(visibleRect.width());
mY.setPageLength(pageSize.height);
mY.viewportPos = visibleRect.y;
mY.setViewportLength(visibleRect.height);
mY.viewportPos = visibleRect.top;
mY.setViewportLength(visibleRect.height());
}
// The callback that performs the fling animation.
@ -566,11 +566,11 @@ public class PanZoomController
@Override
public boolean onScaleBegin(ScaleGestureDetector detector) {
mState = PanZoomState.PINCHING;
FloatRect initialZoomRect = mController.getVisibleRect();
RectF initialZoomRect = mController.getVisibleRect();
float initialZoom = mController.getZoomFactor();
mInitialZoomFocus = new PointF(initialZoomRect.x + (detector.getFocusX() / initialZoom),
initialZoomRect.y + (detector.getFocusY() / initialZoom));
mInitialZoomFocus = new PointF(initialZoomRect.left + (detector.getFocusX() / initialZoom),
initialZoomRect.top + (detector.getFocusY() / initialZoom));
mInitialZoomSpan = detector.getCurrentSpan() / initialZoom;
return true;
}

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@ -38,16 +38,17 @@
package org.mozilla.gecko.ui;
import android.graphics.PointF;
import org.mozilla.gecko.gfx.FloatRect;
import android.graphics.RectF;
import org.mozilla.gecko.gfx.IntSize;
import org.mozilla.gecko.gfx.LayerController;
import org.mozilla.gecko.gfx.RectUtils;
/** Manages the dimensions of the page viewport. */
public class ViewportController {
private IntSize mPageSize;
private FloatRect mVisibleRect;
private RectF mVisibleRect;
public ViewportController(IntSize pageSize, FloatRect visibleRect) {
public ViewportController(IntSize pageSize, RectF visibleRect) {
mPageSize = pageSize;
mVisibleRect = visibleRect;
}
@ -59,52 +60,51 @@ public class ViewportController {
}
/** Returns the given rect, clamped to the boundaries of a tile. */
public FloatRect clampRect(FloatRect rect) {
float x = clamp(0, rect.x, mPageSize.width - LayerController.TILE_WIDTH);
float y = clamp(0, rect.y, mPageSize.height - LayerController.TILE_HEIGHT);
return new FloatRect(x, y, rect.width, rect.height);
public RectF clampRect(RectF rect) {
float x = clamp(0, rect.left, mPageSize.width - LayerController.TILE_WIDTH);
float y = clamp(0, rect.top, mPageSize.height - LayerController.TILE_HEIGHT);
return new RectF(x, y, x + rect.width(), x + rect.height());
}
/** Returns the coordinates of a tile centered on the given rect. */
public static FloatRect widenRect(FloatRect rect) {
PointF center = rect.getCenter();
return new FloatRect(center.x - LayerController.TILE_WIDTH / 2,
center.y - LayerController.TILE_HEIGHT / 2,
LayerController.TILE_WIDTH,
LayerController.TILE_HEIGHT);
public static RectF widenRect(RectF rect) {
return new RectF(rect.centerX() - LayerController.TILE_WIDTH / 2,
rect.centerY() - LayerController.TILE_HEIGHT / 2,
rect.centerX() + LayerController.TILE_WIDTH / 2,
rect.centerY() + LayerController.TILE_HEIGHT / 2);
}
/**
* Given the layer controller's visible rect, page size, and screen size, returns the zoom
* factor.
*/
public float getZoomFactor(FloatRect layerVisibleRect, IntSize layerPageSize,
public float getZoomFactor(RectF layerVisibleRect, IntSize layerPageSize,
IntSize screenSize) {
FloatRect transformed = transformVisibleRect(layerVisibleRect, layerPageSize);
return (float)screenSize.width / transformed.width;
RectF transformed = transformVisibleRect(layerVisibleRect, layerPageSize);
return (float)screenSize.width / transformed.width();
}
/**
* Given the visible rectangle that the user is viewing and the layer controller's page size,
* returns the dimensions of the box that this corresponds to on the page.
*/
public FloatRect transformVisibleRect(FloatRect layerVisibleRect, IntSize layerPageSize) {
public RectF transformVisibleRect(RectF layerVisibleRect, IntSize layerPageSize) {
float zoomFactor = (float)layerPageSize.width / (float)mPageSize.width;
return layerVisibleRect.scaleAll(1.0f / zoomFactor);
return RectUtils.scale(layerVisibleRect, 1.0f / zoomFactor);
}
/**
* Given the visible rectangle that the user is viewing and the layer controller's page size,
* returns the dimensions in layer coordinates that this corresponds to.
*/
public FloatRect untransformVisibleRect(FloatRect viewportVisibleRect, IntSize layerPageSize) {
public RectF untransformVisibleRect(RectF viewportVisibleRect, IntSize layerPageSize) {
float zoomFactor = (float)layerPageSize.width / (float)mPageSize.width;
return viewportVisibleRect.scaleAll(zoomFactor);
return RectUtils.scale(viewportVisibleRect, zoomFactor);
}
public IntSize getPageSize() { return mPageSize; }
public void setPageSize(IntSize pageSize) { mPageSize = pageSize; }
public FloatRect getVisibleRect() { return mVisibleRect; }
public void setVisibleRect(FloatRect visibleRect) { mVisibleRect = visibleRect; }
public RectF getVisibleRect() { return mVisibleRect; }
public void setVisibleRect(RectF visibleRect) { mVisibleRect = visibleRect; }
}