1 /* 2 * Copyright 2012 AndroidPlot.com 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.androidplot.util; 18 import android.graphics.Paint; 19 20 /** 21 * Convenience methods that operate on Paint instances. These methods primarily deal with 22 * converting pixel values to/from dp values. 23 */ 24 public class PaintUtils { 25 26 /*public static Paint getPaint() { 27 Paint p = new Paint(); 28 return p; 29 }*/ 30 31 /** 32 * Sets a paint instance's line stroke size in dp 33 * @param paint 34 * @param lineSizeDp 35 */ setLineSizeDp(Paint paint, float lineSizeDp)36 public static void setLineSizeDp(Paint paint, float lineSizeDp){ 37 paint.setStrokeWidth(PixelUtils.dpToPix(lineSizeDp)); 38 } 39 40 /** 41 * Sets a paint instance's font size in dp 42 * @param paint 43 * @param fontSizeDp 44 */ setFontSizeDp(Paint paint, float fontSizeDp)45 public static void setFontSizeDp(Paint paint, float fontSizeDp){ 46 paint.setTextSize(PixelUtils.dpToPix(fontSizeDp)); 47 } 48 49 /** 50 * Set a paint instance's shadowing using dp values 51 * @param paint 52 * @param radiusDp 53 * @param dxDp 54 * @param dyDp 55 * @param color 56 */ setShadowDp(Paint paint, float radiusDp, float dxDp, float dyDp, int color)57 public static void setShadowDp(Paint paint, float radiusDp, float dxDp, float dyDp, int color) { 58 float radius = PixelUtils.dpToPix(radiusDp); 59 float dx = PixelUtils.dpToPix(dxDp); 60 float dy = PixelUtils.dpToPix(dyDp); 61 paint.setShadowLayer(radius, dx, dy, color); 62 } 63 64 65 } 66