ResourceHelper.java revision 5de11a18e9151e6bc9b3e81cf31fc43dc63dffbf
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage com.android.layoutlib.bridge; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1956a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohetimport com.android.layoutlib.api.IDensityBasedResourceValue; 2056a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohetimport com.android.layoutlib.api.IDensityBasedResourceValue.Density; 215de11a18e9151e6bc9b3e81cf31fc43dc63dffbfXavier Ducrohetimport com.android.layoutlib.api.IResourceValue; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport com.android.ninepatch.NinePatch; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.kxml2.io.KXmlParser; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.xmlpull.v1.XmlPullParser; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.xmlpull.v1.XmlPullParserException; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Bitmap; 295de11a18e9151e6bc9b3e81cf31fc43dc63dffbfXavier Ducrohetimport android.graphics.Bitmap_Delegate; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.BitmapDrawable; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.ColorDrawable; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.Drawable; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.TypedValue; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.File; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.FileNotFoundException; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.FileReader; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.IOException; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.net.MalformedURLException; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.regex.Matcher; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.regex.Pattern; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Helper class to provide various convertion method used in handling android resources. 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic final class ResourceHelper { 4756a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final static Pattern sFloatPattern = Pattern.compile("(-?[0-9]+(?:\\.[0-9]+)?)(.*)"); 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final static float[] sFloatOut = new float[1]; 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final static TypedValue mValue = new TypedValue(); 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the color value represented by the given string value 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the color value 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the color as an int 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throw NumberFormatException if the conversion failed. 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static int getColor(String value) { 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value != null) { 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value.startsWith("#") == false) { 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NumberFormatException(); 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project value = value.substring(1); 6656a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure it's not longer than 32bit 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value.length() > 8) { 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NumberFormatException(); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7156a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value.length() == 3) { // RGB format 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] color = new char[8]; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project color[0] = color[1] = 'F'; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project color[2] = color[3] = value.charAt(0); 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project color[4] = color[5] = value.charAt(1); 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project color[6] = color[7] = value.charAt(2); 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project value = new String(color); 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (value.length() == 4) { // ARGB format 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] color = new char[8]; 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project color[0] = color[1] = value.charAt(0); 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project color[2] = color[3] = value.charAt(1); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project color[4] = color[5] = value.charAt(2); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project color[6] = color[7] = value.charAt(3); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project value = new String(color); 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (value.length() == 6) { 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project value = "FF" + value; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // this is a RRGGBB or AARRGGBB value 9156a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Integer.parseInt will fail to parse strings like "ff191919", so we use 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // a Long, but cast the result back into an int, since we know that we're only 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // dealing with 32 bit values. 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (int)Long.parseLong(value, 16); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NumberFormatException(); 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a drawable from the given value. 10356a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet * @param value The value that contains a path to a 9 patch, a bitmap or a xml based drawable, 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or an hexadecimal color 10556a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet * @param context 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param isFramework indicates whether the resource is a framework resources. 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Framework resources are cached, and loaded only once. 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1095de11a18e9151e6bc9b3e81cf31fc43dc63dffbfXavier Ducrohet public static Drawable getDrawable(IResourceValue value, BridgeContext context, 1105de11a18e9151e6bc9b3e81cf31fc43dc63dffbfXavier Ducrohet boolean isFramework) { 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable d = null; 11256a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 11356a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet String stringValue = value.getValue(); 11456a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 11556a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet String lowerCaseValue = stringValue.toLowerCase(); 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lowerCaseValue.endsWith(NinePatch.EXTENSION_9PATCH)) { 11856a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet File file = new File(stringValue); 11956a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet if (file.isFile()) { 12056a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet NinePatch ninePatch = Bridge.getCached9Patch(stringValue, 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project isFramework ? null : context.getProjectKey()); 12256a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ninePatch == null) { 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 12556a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet ninePatch = NinePatch.load(file.toURL(), false /* convert */); 12656a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 12756a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet Bridge.setCached9Patch(stringValue, ninePatch, 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project isFramework ? null : context.getProjectKey()); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (MalformedURLException e) { 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // URL is wrong, we'll return null below 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (IOException e) { 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // failed to read the file, we'll return null below. 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13556a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ninePatch != null) { 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new NinePatchDrawable(ninePatch); 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14056a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (lowerCaseValue.endsWith(".xml")) { 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // create a blockparser for the file 14456a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet File f = new File(stringValue); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (f.isFile()) { 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // let the framework inflate the Drawable from the XML file. 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KXmlParser parser = new KXmlParser(); 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parser.setInput(new FileReader(f)); 15156a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d = Drawable.createFromXml(context.getResources(), 153c2e28dd74813799aad132673ff9d302657dd04edXavier Ducrohet new BridgeXmlBlockParser(parser, context, isFramework)); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return d; 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (XmlPullParserException e) { 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context.getLogger().error(e); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (FileNotFoundException e) { 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // will not happen, since we pre-check 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (IOException e) { 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context.getLogger().error(e); 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 16656a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet File bmpFile = new File(stringValue); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bmpFile.isFile()) { 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 16956a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet Bitmap bitmap = Bridge.getCachedBitmap(stringValue, 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project isFramework ? null : context.getProjectKey()); 17156a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bitmap == null) { 1735de11a18e9151e6bc9b3e81cf31fc43dc63dffbfXavier Ducrohet // always create the cache copy in the original density. 1745de11a18e9151e6bc9b3e81cf31fc43dc63dffbfXavier Ducrohet bitmap = Bitmap_Delegate.createBitmap(bmpFile, Density.MEDIUM); 17556a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet Bridge.setCachedBitmap(stringValue, bitmap, 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project isFramework ? null : context.getProjectKey()); 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17856a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 17956a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet try { 18056a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet if (value instanceof IDensityBasedResourceValue) { 18156a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet Density density = ((IDensityBasedResourceValue)value).getDensity(); 18256a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet if (density != Density.MEDIUM) { 18356a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet // create a copy of the bitmap 18456a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet bitmap = Bitmap.createBitmap(bitmap); 18556a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 18656a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet // apply the density 18756a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet bitmap.setDensity(density.getValue()); 18856a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet } 18956a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet } 19056a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet } catch (NoClassDefFoundError error) { 19156a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet // look like we're running in an older version of ADT that doesn't include 19256a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet // the new layoutlib_api. Let's just ignore this, the drawing will just be 19356a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet // wrong. 19456a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet } 19556a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 19656a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet return new BitmapDrawable(context.getResources(), bitmap); 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (IOException e) { 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we'll return null below 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: log the error. 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // attempt to get a color from the value 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 20456a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet int color = getColor(stringValue); 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new ColorDrawable(color); 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (NumberFormatException e) { 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we'll return null below. 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: log the error 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21256a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21656a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ------- TypedValue stuff 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is taken from //device/libs/utils/ResourceTypes.cpp 21956a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final class UnitEntry { 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String name; 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int type; 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int unit; 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float scale; 22556a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project UnitEntry(String name, int type, int unit, float scale) { 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.name = name; 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.type = type; 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.unit = unit; 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.scale = scale; 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final static UnitEntry[] sUnitNames = new UnitEntry[] { 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new UnitEntry("px", TypedValue.TYPE_DIMENSION, TypedValue.COMPLEX_UNIT_PX, 1.0f), 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new UnitEntry("dip", TypedValue.TYPE_DIMENSION, TypedValue.COMPLEX_UNIT_DIP, 1.0f), 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new UnitEntry("dp", TypedValue.TYPE_DIMENSION, TypedValue.COMPLEX_UNIT_DIP, 1.0f), 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new UnitEntry("sp", TypedValue.TYPE_DIMENSION, TypedValue.COMPLEX_UNIT_SP, 1.0f), 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new UnitEntry("pt", TypedValue.TYPE_DIMENSION, TypedValue.COMPLEX_UNIT_PT, 1.0f), 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new UnitEntry("in", TypedValue.TYPE_DIMENSION, TypedValue.COMPLEX_UNIT_IN, 1.0f), 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new UnitEntry("mm", TypedValue.TYPE_DIMENSION, TypedValue.COMPLEX_UNIT_MM, 1.0f), 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new UnitEntry("%", TypedValue.TYPE_FRACTION, TypedValue.COMPLEX_UNIT_FRACTION, 1.0f/100), 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new UnitEntry("%p", TypedValue.TYPE_FRACTION, TypedValue.COMPLEX_UNIT_FRACTION_PARENT, 1.0f/100), 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 24556a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the raw value from the given string. 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This object is only valid until the next call on to {@link ResourceHelper}. 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static TypedValue getValue(String s) { 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (stringToFloat(s, mValue)) { 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mValue; 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25456a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25756a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convert the string into a {@link TypedValue}. 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param s 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param outValue 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if success. 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static boolean stringToFloat(String s, TypedValue outValue) { 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // remove the space before and after 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s.trim(); 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = s.length(); 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len <= 0) { 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // check that there's no non ascii characters. 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] buf = s.toCharArray(); 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0 ; i < len ; i++) { 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (buf[i] > 255) { 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // check the first character 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (buf[0] < '0' && buf[0] > '9' && buf[0] != '.') { 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 28556a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // now look for the string that is after the float... 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Matcher m = sFloatPattern.matcher(s); 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (m.matches()) { 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String f_str = m.group(1); 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String end = m.group(2); 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float f; 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f = Float.parseFloat(f_str); 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (NumberFormatException e) { 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // this shouldn't happen with the regexp above. 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 29956a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end.length() > 0 && end.charAt(0) != ' ') { 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Might be a unit... 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parseUnit(end, outValue, sFloatOut)) { 30356a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f *= sFloatOut[0]; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean neg = f < 0; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (neg) { 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f = -f; 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long bits = (long)(f*(1<<23)+.5f); 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int radix; 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int shift; 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((bits&0x7fffff) == 0) { 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Always use 23p0 if there is no fraction, just to make 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // things easier to read. 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project radix = TypedValue.COMPLEX_RADIX_23p0; 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 23; 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((bits&0xffffffffff800000L) == 0) { 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Magnitude is zero -- can fit in 0 bits of precision. 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project radix = TypedValue.COMPLEX_RADIX_0p23; 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 0; 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((bits&0xffffffff80000000L) == 0) { 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Magnitude can fit in 8 bits of precision. 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project radix = TypedValue.COMPLEX_RADIX_8p15; 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 8; 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((bits&0xffffff8000000000L) == 0) { 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Magnitude can fit in 16 bits of precision. 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project radix = TypedValue.COMPLEX_RADIX_16p7; 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 16; 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Magnitude needs entire range, so no fractional part. 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project radix = TypedValue.COMPLEX_RADIX_23p0; 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project shift = 23; 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mantissa = (int)( 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (bits>>shift) & TypedValue.COMPLEX_MANTISSA_MASK); 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (neg) { 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mantissa = (-mantissa) & TypedValue.COMPLEX_MANTISSA_MASK; 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33956a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet outValue.data |= 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (radix<<TypedValue.COMPLEX_RADIX_SHIFT) 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project | (mantissa<<TypedValue.COMPLEX_MANTISSA_SHIFT); 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34656a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure it's only spaces at the end. 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = end.trim(); 34956a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end.length() == 0) { 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (outValue != null) { 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outValue.type = TypedValue.TYPE_FLOAT; 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outValue.data = Float.floatToIntBits(f); 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36156a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static boolean parseUnit(String str, TypedValue outValue, float[] outScale) { 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project str = str.trim(); 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (UnitEntry unit : sUnitNames) { 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (unit.name.equals(str)) { 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outValue.type = unit.type; 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outValue.data = unit.unit << TypedValue.COMPLEX_UNIT_SHIFT; 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outScale[0] = unit.scale; 37056a92e3ba0d7da310b4c6e09f54dee10f1f395bbXavier Ducrohet 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 378