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Diffstat (limited to 'traceview/src/com/android/traceview/TickScaler.java')
-rw-r--r--traceview/src/com/android/traceview/TickScaler.java148
1 files changed, 0 insertions, 148 deletions
diff --git a/traceview/src/com/android/traceview/TickScaler.java b/traceview/src/com/android/traceview/TickScaler.java
deleted file mode 100644
index 79fa160..0000000
--- a/traceview/src/com/android/traceview/TickScaler.java
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * Copyright (C) 2006 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.traceview;
-
-class TickScaler {
-
- private double mMinVal; // required input
- private double mMaxVal; // required input
- private double mRangeVal;
- private int mNumPixels; // required input
- private int mPixelsPerTick; // required input
- private double mPixelsPerRange;
- private double mTickIncrement;
- private double mMinMajorTick;
-
- TickScaler(double minVal, double maxVal, int numPixels, int pixelsPerTick) {
- mMinVal = minVal;
- mMaxVal = maxVal;
- mNumPixels = numPixels;
- mPixelsPerTick = pixelsPerTick;
- }
-
- public void setMinVal(double minVal) {
- mMinVal = minVal;
- }
-
- public double getMinVal() {
- return mMinVal;
- }
-
- public void setMaxVal(double maxVal) {
- mMaxVal = maxVal;
- }
-
- public double getMaxVal() {
- return mMaxVal;
- }
-
- public void setNumPixels(int numPixels) {
- mNumPixels = numPixels;
- }
-
- public int getNumPixels() {
- return mNumPixels;
- }
-
- public void setPixelsPerTick(int pixelsPerTick) {
- mPixelsPerTick = pixelsPerTick;
- }
-
- public int getPixelsPerTick() {
- return mPixelsPerTick;
- }
-
- public void setPixelsPerRange(double pixelsPerRange) {
- mPixelsPerRange = pixelsPerRange;
- }
-
- public double getPixelsPerRange() {
- return mPixelsPerRange;
- }
-
- public void setTickIncrement(double tickIncrement) {
- mTickIncrement = tickIncrement;
- }
-
- public double getTickIncrement() {
- return mTickIncrement;
- }
-
- public void setMinMajorTick(double minMajorTick) {
- mMinMajorTick = minMajorTick;
- }
-
- public double getMinMajorTick() {
- return mMinMajorTick;
- }
-
- // Convert a time value to a 0-based pixel value
- public int valueToPixel(double value) {
- return (int) Math.ceil(mPixelsPerRange * (value - mMinVal) - 0.5);
- }
-
- // Convert a time value to a 0-based fractional pixel
- public double valueToPixelFraction(double value) {
- return mPixelsPerRange * (value - mMinVal);
- }
-
- // Convert a 0-based pixel value to a time value
- public double pixelToValue(int pixel) {
- return mMinVal + (pixel / mPixelsPerRange);
- }
-
- public void computeTicks(boolean useGivenEndPoints) {
- int numTicks = mNumPixels / mPixelsPerTick;
- mRangeVal = mMaxVal - mMinVal;
- mTickIncrement = mRangeVal / numTicks;
- double dlogTickIncrement = Math.log10(mTickIncrement);
- int logTickIncrement = (int) Math.floor(dlogTickIncrement);
- double scale = Math.pow(10, logTickIncrement);
- double scaledTickIncr = mTickIncrement / scale;
- if (scaledTickIncr > 5.0)
- scaledTickIncr = 10;
- else if (scaledTickIncr > 2)
- scaledTickIncr = 5;
- else if (scaledTickIncr > 1)
- scaledTickIncr = 2;
- else
- scaledTickIncr = 1;
- mTickIncrement = scaledTickIncr * scale;
-
- if (!useGivenEndPoints) {
- // Round up the max val to the next minor tick
- double minorTickIncrement = mTickIncrement / 5;
- double dval = mMaxVal / minorTickIncrement;
- int ival = (int) dval;
- if (ival != dval)
- mMaxVal = (ival + 1) * minorTickIncrement;
-
- // Round down the min val to a multiple of tickIncrement
- ival = (int) (mMinVal / mTickIncrement);
- mMinVal = ival * mTickIncrement;
- mMinMajorTick = mMinVal;
- } else {
- int ival = (int) (mMinVal / mTickIncrement);
- mMinMajorTick = ival * mTickIncrement;
- if (mMinMajorTick < mMinVal)
- mMinMajorTick = mMinMajorTick + mTickIncrement;
- }
-
- mRangeVal = mMaxVal - mMinVal;
- mPixelsPerRange = (double) mNumPixels / mRangeVal;
- }
-}