| /* |
| * Copyright (C) 2018 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.recovery.tools; |
| |
| import com.ibm.icu.text.BreakIterator; |
| |
| import org.apache.commons.cli.CommandLine; |
| import org.apache.commons.cli.GnuParser; |
| import org.apache.commons.cli.HelpFormatter; |
| import org.apache.commons.cli.OptionBuilder; |
| import org.apache.commons.cli.Options; |
| import org.apache.commons.cli.ParseException; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| |
| import java.awt.Color; |
| import java.awt.Font; |
| import java.awt.FontFormatException; |
| import java.awt.FontMetrics; |
| import java.awt.Graphics2D; |
| import java.awt.RenderingHints; |
| import java.awt.font.TextAttribute; |
| import java.awt.image.BufferedImage; |
| import java.io.File; |
| import java.io.IOException; |
| import java.text.AttributedString; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.TreeMap; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import javax.imageio.ImageIO; |
| import javax.xml.parsers.DocumentBuilder; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| import javax.xml.parsers.ParserConfigurationException; |
| |
| /** Command line tool to generate the localized image for recovery mode. */ |
| public class ImageGenerator { |
| // Initial height of the image to draw. |
| private static final int INITIAL_HEIGHT = 20000; |
| |
| private static final float DEFAULT_FONT_SIZE = 40; |
| |
| private static final Logger LOGGER = Logger.getLogger(ImageGenerator.class.getName()); |
| |
| // This is the canvas we used to draw texts. |
| private BufferedImage mBufferedImage; |
| |
| // The width in pixels of our image. The value will be adjusted once when we calculate the |
| // maximum width to fit the wrapped text strings. |
| private int mImageWidth; |
| |
| // The current height in pixels of our image. We will adjust the value when drawing more texts. |
| private int mImageHeight; |
| |
| // The current vertical offset in pixels to draw the top edge of new text strings. |
| private int mVerticalOffset; |
| |
| // The font size to draw the texts. |
| private final float mFontSize; |
| |
| // The name description of the text to localize. It's used to find the translated strings in the |
| // resource file. |
| private final String mTextName; |
| |
| // The directory that contains all the needed font files (e.g. ttf, otf, ttc files). |
| private final String mFontDirPath; |
| |
| // Align the text in the center of the image. |
| private final boolean mCenterAlignment; |
| |
| // Some localized font cannot draw the word "Android" and some PUNCTUATIONS; we need to fall |
| // back to use our default latin font instead. |
| private static final char[] PUNCTUATIONS = {',', ';', '.', '!', '?'}; |
| |
| private static final String ANDROID_STRING = "Android"; |
| |
| // The width of the word "Android" when drawing with the default font. |
| private int mAndroidStringWidth; |
| |
| // The default Font to draw latin characters. It's loaded from DEFAULT_FONT_NAME. |
| private Font mDefaultFont; |
| // Cache of the loaded fonts for all languages. |
| private Map<String, Font> mLoadedFontMap; |
| |
| // An explicit map from language to the font name to use. |
| // The map is extracted from frameworks/base/data/fonts/fonts.xml. |
| // And the language-subtag-registry is found in: |
| // https://www.iana.org/assignments/language-subtag-registry/language-subtag-registry |
| private static final String DEFAULT_FONT_NAME = "Roboto-Regular"; |
| private static final Map<String, String> LANGUAGE_TO_FONT_MAP = |
| new TreeMap<String, String>() { |
| { |
| put("am", "NotoSansEthiopic-Regular"); |
| put("ar", "NotoNaskhArabicUI-Regular"); |
| put("as", "NotoSansBengaliUI-Regular"); |
| put("bn", "NotoSansBengaliUI-Regular"); |
| put("fa", "NotoNaskhArabicUI-Regular"); |
| put("gu", "NotoSansGujaratiUI-Regular"); |
| put("hi", "NotoSansDevanagariUI-Regular"); |
| put("hy", "NotoSansArmenian-Regular"); |
| put("iw", "NotoSansHebrew-Regular"); |
| put("ja", "NotoSansCJK-Regular"); |
| put("ka", "NotoSansGeorgian-Regular"); |
| put("ko", "NotoSansCJK-Regular"); |
| put("km", "NotoSansKhmerUI-Regular"); |
| put("kn", "NotoSansKannadaUI-Regular"); |
| put("lo", "NotoSansLaoUI-Regular"); |
| put("ml", "NotoSansMalayalamUI-Regular"); |
| put("mr", "NotoSansDevanagariUI-Regular"); |
| put("my", "NotoSansMyanmarUI-Regular"); |
| put("ne", "NotoSansDevanagariUI-Regular"); |
| put("or", "NotoSansOriya-Regular"); |
| put("pa", "NotoSansGurmukhiUI-Regular"); |
| put("si", "NotoSansSinhala-Regular"); |
| put("ta", "NotoSansTamilUI-Regular"); |
| put("te", "NotoSansTeluguUI-Regular"); |
| put("th", "NotoSansThaiUI-Regular"); |
| put("ur", "NotoNaskhArabicUI-Regular"); |
| put("zh", "NotoSansCJK-Regular"); |
| } |
| }; |
| |
| // Languages that write from right to left. |
| private static final Set<String> RTL_LANGUAGE = |
| new HashSet<String>() { |
| { |
| add("ar"); // Arabic |
| add("fa"); // Persian |
| add("he"); // Hebrew |
| add("iw"); // Hebrew |
| add("ur"); // Urdu |
| } |
| }; |
| |
| /** Exception to indicate the failure to find the translated text strings. */ |
| public static class LocalizedStringNotFoundException extends Exception { |
| public LocalizedStringNotFoundException(String message) { |
| super(message); |
| } |
| |
| public LocalizedStringNotFoundException(String message, Throwable cause) { |
| super(message, cause); |
| } |
| } |
| |
| /** |
| * This class maintains the content of wrapped text, the attributes to draw these text, and |
| * the width of each wrapped lines. |
| */ |
| private class WrappedTextInfo { |
| /** LineInfo holds the AttributedString and width of each wrapped line. */ |
| private class LineInfo { |
| public AttributedString mLineContent; |
| public int mLineWidth; |
| |
| LineInfo(AttributedString text, int width) { |
| mLineContent = text; |
| mLineWidth = width; |
| } |
| } |
| |
| // Maintains the content of each line, as well as the width needed to draw these lines for |
| // a given language. |
| public List<LineInfo> mWrappedLines; |
| |
| WrappedTextInfo() { |
| mWrappedLines = new ArrayList<>(); |
| } |
| |
| /** |
| * Checks if the given text has words "Android" and some PUNCTUATIONS. If it does, and its |
| * associated textFont cannot display them correctly (e.g. for persian and hebrew); sets the |
| * attributes of these substrings to use our default font instead. |
| * |
| * @param text the input string to perform the check on |
| * @param width the pre-calculated width for the given text |
| * @param textFont the localized font to draw the input string |
| * @param fallbackFont our default font to draw latin characters |
| */ |
| public void addLine(String text, int width, Font textFont, Font fallbackFont) { |
| AttributedString attributedText = new AttributedString(text); |
| attributedText.addAttribute(TextAttribute.FONT, textFont); |
| attributedText.addAttribute(TextAttribute.SIZE, mFontSize); |
| |
| // Skips the check if we don't specify a fallbackFont. |
| if (fallbackFont != null) { |
| // Adds the attribute to use default font to draw the word "Android". |
| if (text.contains(ANDROID_STRING) |
| && textFont.canDisplayUpTo(ANDROID_STRING) != -1) { |
| int index = text.indexOf(ANDROID_STRING); |
| attributedText.addAttribute(TextAttribute.FONT, fallbackFont, index, |
| index + ANDROID_STRING.length()); |
| } |
| |
| // Adds the attribute to use default font to draw the PUNCTUATIONS ", . ; ! ?" |
| for (char punctuation : PUNCTUATIONS) { |
| // TODO (xunchang) handle the RTL language that has different directions for '?' |
| if (text.indexOf(punctuation) != -1 && !textFont.canDisplay(punctuation)) { |
| int index = 0; |
| while ((index = text.indexOf(punctuation, index)) != -1) { |
| attributedText.addAttribute(TextAttribute.FONT, fallbackFont, index, |
| index + 1); |
| index += 1; |
| } |
| } |
| } |
| } |
| |
| mWrappedLines.add(new LineInfo(attributedText, width)); |
| } |
| |
| /** Merges two WrappedTextInfo. */ |
| public void addLines(WrappedTextInfo other) { |
| mWrappedLines.addAll(other.mWrappedLines); |
| } |
| } |
| |
| /** Initailizes the fields of the image image. */ |
| public ImageGenerator( |
| int initialImageWidth, |
| String textName, |
| float fontSize, |
| String fontDirPath, |
| boolean centerAlignment) { |
| mImageWidth = initialImageWidth; |
| mImageHeight = INITIAL_HEIGHT; |
| mVerticalOffset = 0; |
| |
| // Initialize the canvas with the default height. |
| mBufferedImage = new BufferedImage(mImageWidth, mImageHeight, BufferedImage.TYPE_BYTE_GRAY); |
| |
| mTextName = textName; |
| mFontSize = fontSize; |
| mFontDirPath = fontDirPath; |
| mLoadedFontMap = new TreeMap<>(); |
| |
| mCenterAlignment = centerAlignment; |
| } |
| |
| /** |
| * Finds the translated text string for the given textName by parsing the resourceFile. Example |
| * of the xml fields: <resources xmlns:android="http://schemas.android.com/apk/res/android"> |
| * <string name="recovery_installing_security" msgid="9184031299717114342"> "Sicherheitsupdate |
| * wird installiert"</string> </resources> |
| * |
| * @param resourceFile the input resource file in xml format. |
| * @param textName the name description of the text. |
| * @return the string representation of the translated text. |
| */ |
| private String getTextString(File resourceFile, String textName) |
| throws IOException, ParserConfigurationException, org.xml.sax.SAXException, |
| LocalizedStringNotFoundException { |
| DocumentBuilderFactory builder = DocumentBuilderFactory.newInstance(); |
| DocumentBuilder db = builder.newDocumentBuilder(); |
| |
| Document doc = db.parse(resourceFile); |
| doc.getDocumentElement().normalize(); |
| |
| NodeList nodeList = doc.getElementsByTagName("string"); |
| for (int i = 0; i < nodeList.getLength(); i++) { |
| Node node = nodeList.item(i); |
| String name = node.getAttributes().getNamedItem("name").getNodeValue(); |
| if (name.equals(textName)) { |
| return node.getTextContent(); |
| } |
| } |
| |
| throw new LocalizedStringNotFoundException( |
| textName + " not found in " + resourceFile.getName()); |
| } |
| |
| /** Constructs the locale from the name of the resource file. */ |
| private Locale getLocaleFromFilename(String filename) throws IOException { |
| // Gets the locale string by trimming the top "values-". |
| String localeString = filename.substring(7); |
| if (localeString.matches("[A-Za-z]+")) { |
| return Locale.forLanguageTag(localeString); |
| } |
| if (localeString.matches("[A-Za-z]+-r[A-Za-z]+")) { |
| // "${Language}-r${Region}". e.g. en-rGB |
| String[] tokens = localeString.split("-r"); |
| return Locale.forLanguageTag(String.join("-", tokens)); |
| } |
| if (localeString.startsWith("b+")) { |
| // The special case of b+sr+Latn, which has the form "b+${Language}+${ScriptName}" |
| String[] tokens = localeString.substring(2).split("\\+"); |
| return Locale.forLanguageTag(String.join("-", tokens)); |
| } |
| |
| throw new IOException("Unrecognized locale string " + localeString); |
| } |
| |
| /** |
| * Iterates over the xml files in the format of values-$LOCALE/strings.xml under the resource |
| * directory and collect the translated text. |
| * |
| * @param resourcePath the path to the resource directory |
| * @param localesSet a list of supported locales; resources of other locales will be omitted. |
| * @return a map with the locale as key, and translated text as value |
| * @throws LocalizedStringNotFoundException if we cannot find the translated text for the given |
| * locale |
| */ |
| public Map<Locale, String> readLocalizedStringFromXmls(String resourcePath, |
| Set<String> localesSet) throws IOException, LocalizedStringNotFoundException { |
| File resourceDir = new File(resourcePath); |
| if (!resourceDir.isDirectory()) { |
| throw new LocalizedStringNotFoundException(resourcePath + " is not a directory."); |
| } |
| |
| Map<Locale, String> result = |
| // Overrides the string comparator so that sr is sorted behind sr-Latn. And thus |
| // recovery can find the most relevant locale when going down the list. |
| new TreeMap<>( |
| (Locale l1, Locale l2) -> { |
| if (l1.toLanguageTag().equals(l2.toLanguageTag())) { |
| return 0; |
| } |
| if (l1.getLanguage().equals(l2.toLanguageTag())) { |
| return -1; |
| } |
| if (l2.getLanguage().equals(l1.toLanguageTag())) { |
| return 1; |
| } |
| return l1.toLanguageTag().compareTo(l2.toLanguageTag()); |
| }); |
| |
| // Find all the localized resource subdirectories in the format of values-$LOCALE |
| String[] nameList = |
| resourceDir.list((File file, String name) -> name.startsWith("values-")); |
| for (String name : nameList) { |
| String localeString = name.substring(7); |
| if (localesSet != null && !localesSet.contains(localeString)) { |
| LOGGER.info("Skip parsing text for locale " + localeString); |
| continue; |
| } |
| |
| File textFile = new File(resourcePath, name + "/strings.xml"); |
| String localizedText; |
| try { |
| localizedText = getTextString(textFile, mTextName); |
| } catch (IOException | ParserConfigurationException | org.xml.sax.SAXException e) { |
| throw new LocalizedStringNotFoundException( |
| "Failed to read the translated text for locale " + name, e); |
| } |
| |
| Locale locale = getLocaleFromFilename(name); |
| // Removes the double quotation mark from the text. |
| result.put(locale, localizedText.substring(1, localizedText.length() - 1)); |
| } |
| |
| return result; |
| } |
| |
| /** |
| * Returns a font object associated given the given locale |
| * |
| * @throws IOException if the font file fails to open |
| * @throws FontFormatException if the font file doesn't have the expected format |
| */ |
| private Font loadFontsByLocale(String language) throws IOException, FontFormatException { |
| if (mLoadedFontMap.containsKey(language)) { |
| return mLoadedFontMap.get(language); |
| } |
| |
| String fontName = LANGUAGE_TO_FONT_MAP.getOrDefault(language, DEFAULT_FONT_NAME); |
| String[] suffixes = {".otf", ".ttf", ".ttc"}; |
| for (String suffix : suffixes) { |
| File fontFile = new File(mFontDirPath, fontName + suffix); |
| if (fontFile.isFile()) { |
| Font result = Font.createFont(Font.TRUETYPE_FONT, fontFile).deriveFont(mFontSize); |
| mLoadedFontMap.put(language, result); |
| return result; |
| } |
| } |
| |
| throw new IOException( |
| "Can not find the font file " + fontName + " for language " + language); |
| } |
| |
| /** Wraps the text with a maximum of mImageWidth pixels per line. */ |
| private WrappedTextInfo wrapText(String text, FontMetrics metrics) { |
| WrappedTextInfo info = new WrappedTextInfo(); |
| |
| BreakIterator lineBoundary = BreakIterator.getLineInstance(); |
| lineBoundary.setText(text); |
| |
| int lineWidth = 0; // Width of the processed words of the current line. |
| int start = lineBoundary.first(); |
| StringBuilder line = new StringBuilder(); |
| for (int end = lineBoundary.next(); end != BreakIterator.DONE; |
| start = end, end = lineBoundary.next()) { |
| String token = text.substring(start, end); |
| int tokenWidth = metrics.stringWidth(token); |
| // Handles the width mismatch of the word "Android" between different fonts. |
| if (token.contains(ANDROID_STRING) |
| && metrics.getFont().canDisplayUpTo(ANDROID_STRING) != -1) { |
| tokenWidth = tokenWidth - metrics.stringWidth(ANDROID_STRING) + mAndroidStringWidth; |
| } |
| |
| if (lineWidth + tokenWidth > mImageWidth) { |
| info.addLine(line.toString(), lineWidth, metrics.getFont(), mDefaultFont); |
| |
| line = new StringBuilder(); |
| lineWidth = 0; |
| } |
| line.append(token); |
| lineWidth += tokenWidth; |
| } |
| |
| info.addLine(line.toString(), lineWidth, metrics.getFont(), mDefaultFont); |
| |
| return info; |
| } |
| |
| /** |
| * Handles the special characters of the raw text embedded in the xml file; and wraps the text |
| * with a maximum of mImageWidth pixels per line. |
| * |
| * @param text the string representation of text to wrap |
| * @param metrics the metrics of the Font used to draw the text; it gives the width in pixels of |
| * the text given its string representation |
| * @return a WrappedTextInfo class with the width of each AttributedString smaller than |
| * mImageWidth pixels |
| */ |
| private WrappedTextInfo processAndWrapText(String text, FontMetrics metrics) { |
| // Apostrophe is escaped in the xml file. |
| String processed = text.replace("\\'", "'"); |
| // The separator "\n\n" indicates a new line in the text. |
| String[] lines = processed.split("\\\\n\\\\n"); |
| WrappedTextInfo result = new WrappedTextInfo(); |
| for (String line : lines) { |
| result.addLines(wrapText(line, metrics)); |
| } |
| |
| return result; |
| } |
| |
| /** |
| * Encodes the information of the text image for |locale|. According to minui/resources.cpp, the |
| * width, height and locale of the image is decoded as: int w = (row[1] << 8) | row[0]; int h = |
| * (row[3] << 8) | row[2]; __unused int len = row[4]; char* loc = |
| * reinterpret_cast<char*>(&row[5]); |
| */ |
| private List<Integer> encodeTextInfo(int width, int height, String locale) { |
| List<Integer> info = |
| new ArrayList<>( |
| Arrays.asList( |
| width & 0xff, |
| width >> 8, |
| height & 0xff, |
| height >> 8, |
| locale.length())); |
| |
| byte[] localeBytes = locale.getBytes(); |
| for (byte b : localeBytes) { |
| info.add((int) b); |
| } |
| info.add(0); |
| |
| return info; |
| } |
| |
| /** Returns Graphics2D object that uses the given locale. */ |
| private Graphics2D createGraphics(Locale locale) throws IOException, FontFormatException { |
| Graphics2D graphics = mBufferedImage.createGraphics(); |
| graphics.setColor(Color.WHITE); |
| graphics.setRenderingHint( |
| RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_GASP); |
| graphics.setFont(loadFontsByLocale(locale.getLanguage())); |
| |
| return graphics; |
| } |
| |
| /** Returns the maximum screen width needed to fit the given text after wrapping. */ |
| private int measureTextWidth(String text, Locale locale) |
| throws IOException, FontFormatException { |
| Graphics2D graphics = createGraphics(locale); |
| FontMetrics fontMetrics = graphics.getFontMetrics(); |
| WrappedTextInfo wrappedTextInfo = processAndWrapText(text, fontMetrics); |
| |
| int textWidth = 0; |
| for (WrappedTextInfo.LineInfo lineInfo : wrappedTextInfo.mWrappedLines) { |
| textWidth = Math.max(textWidth, lineInfo.mLineWidth); |
| } |
| |
| // This may happen if one single word is larger than the image width. |
| if (textWidth > mImageWidth) { |
| throw new IllegalStateException( |
| "Wrapped text width " |
| + textWidth |
| + " is larger than image width " |
| + mImageWidth |
| + " for locale: " |
| + locale); |
| } |
| |
| return textWidth; |
| } |
| |
| /** |
| * Draws the text string on the canvas for given locale. |
| * |
| * @param text the string to draw on canvas |
| * @param locale the current locale tag of the string to draw |
| * @throws IOException if we cannot find the corresponding font file for the given locale. |
| * @throws FontFormatException if we failed to load the font file for the given locale. |
| */ |
| private void drawText(String text, Locale locale, String languageTag) |
| throws IOException, FontFormatException { |
| LOGGER.info("Encoding \"" + locale + "\" as \"" + languageTag + "\": " + text); |
| |
| Graphics2D graphics = createGraphics(locale); |
| FontMetrics fontMetrics = graphics.getFontMetrics(); |
| WrappedTextInfo wrappedTextInfo = processAndWrapText(text, fontMetrics); |
| |
| // Marks the start y offset for the text image of current locale; and reserves one line to |
| // encode the image metadata. |
| int currentImageStart = mVerticalOffset; |
| mVerticalOffset += 1; |
| for (WrappedTextInfo.LineInfo lineInfo : wrappedTextInfo.mWrappedLines) { |
| int lineHeight = fontMetrics.getHeight(); |
| // Doubles the height of the image if we are short of space. |
| if (mVerticalOffset + lineHeight >= mImageHeight) { |
| resize(mImageWidth, mImageHeight * 2); |
| // Recreates the graphics since it's attached to the buffered image. |
| graphics = createGraphics(locale); |
| } |
| |
| // Draws the text at mVerticalOffset and increments the offset with line space. |
| int baseLine = mVerticalOffset + lineHeight - fontMetrics.getDescent(); |
| |
| // Draws from right if it's an RTL language. |
| int x = |
| mCenterAlignment |
| ? (mImageWidth - lineInfo.mLineWidth) / 2 |
| : RTL_LANGUAGE.contains(languageTag) |
| ? mImageWidth - lineInfo.mLineWidth |
| : 0; |
| graphics.drawString(lineInfo.mLineContent.getIterator(), x, baseLine); |
| |
| mVerticalOffset += lineHeight; |
| } |
| |
| // Encodes the metadata of the current localized image as pixels. |
| int currentImageHeight = mVerticalOffset - currentImageStart - 1; |
| List<Integer> info = encodeTextInfo(mImageWidth, currentImageHeight, languageTag); |
| for (int i = 0; i < info.size(); i++) { |
| int[] pixel = {info.get(i)}; |
| mBufferedImage.getRaster().setPixel(i, currentImageStart, pixel); |
| } |
| } |
| |
| /** |
| * Redraws the image with the new width and new height. |
| * |
| * @param width the new width of the image in pixels. |
| * @param height the new height of the image in pixels. |
| */ |
| private void resize(int width, int height) { |
| BufferedImage resizedImage = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_GRAY); |
| Graphics2D graphic = resizedImage.createGraphics(); |
| graphic.drawImage(mBufferedImage, 0, 0, null); |
| graphic.dispose(); |
| |
| mBufferedImage = resizedImage; |
| mImageWidth = width; |
| mImageHeight = height; |
| } |
| |
| /** |
| * This function draws the font characters and saves the result to outputPath. |
| * |
| * @param localizedTextMap a map from locale to its translated text string |
| * @param outputPath the path to write the generated image file. |
| * @throws FontFormatException if there's a format error in one of the font file |
| * @throws IOException if we cannot find the font file for one of the locale, or we failed to |
| * write the image file. |
| */ |
| public void generateImage(Map<Locale, String> localizedTextMap, String outputPath) |
| throws FontFormatException, IOException { |
| FontMetrics defaultFontMetrics = |
| createGraphics(Locale.forLanguageTag("en")).getFontMetrics(); |
| mDefaultFont = defaultFontMetrics.getFont(); |
| mAndroidStringWidth = defaultFontMetrics.stringWidth(ANDROID_STRING); |
| |
| Map<String, Integer> languageCount = new TreeMap<>(); |
| int textWidth = 0; |
| for (Locale locale : localizedTextMap.keySet()) { |
| String language = locale.getLanguage(); |
| languageCount.put(language, languageCount.getOrDefault(language, 0) + 1); |
| textWidth = Math.max(textWidth, measureTextWidth(localizedTextMap.get(locale), locale)); |
| } |
| |
| // Removes the black margins to reduce the size of the image. |
| resize(textWidth, mImageHeight); |
| |
| for (Locale locale : localizedTextMap.keySet()) { |
| Integer count = languageCount.get(locale.getLanguage()); |
| // Recovery expects en-US instead of en_US. |
| String languageTag = locale.toLanguageTag(); |
| if (count == 1) { |
| // Make the last country variant for a given language be the catch-all for that |
| // language. |
| languageTag = locale.getLanguage(); |
| } else { |
| languageCount.put(locale.getLanguage(), count - 1); |
| } |
| |
| drawText(localizedTextMap.get(locale), locale, languageTag); |
| } |
| |
| resize(mImageWidth, mVerticalOffset); |
| ImageIO.write(mBufferedImage, "png", new File(outputPath)); |
| } |
| |
| /** Prints the helper message. */ |
| public static void printUsage(Options options) { |
| new HelpFormatter().printHelp("java -jar path_to_jar [required_options]", options); |
| } |
| |
| /** Creates the command line options. */ |
| public static Options createOptions() { |
| Options options = new Options(); |
| options.addOption( |
| OptionBuilder.withLongOpt("image_width") |
| .withDescription("The initial width of the image in pixels.") |
| .hasArgs(1) |
| .isRequired() |
| .create()); |
| |
| options.addOption( |
| OptionBuilder.withLongOpt("text_name") |
| .withDescription( |
| "The description of the text string, e.g. recovery_erasing") |
| .hasArgs(1) |
| .isRequired() |
| .create()); |
| |
| options.addOption( |
| OptionBuilder.withLongOpt("font_dir") |
| .withDescription( |
| "The directory that contains all the support font format files, " |
| + "e.g. $OUT/system/fonts/") |
| .hasArgs(1) |
| .isRequired() |
| .create()); |
| |
| options.addOption( |
| OptionBuilder.withLongOpt("resource_dir") |
| .withDescription( |
| "The resource directory that contains all the translated strings in" |
| + " xml format, e.g." |
| + " bootable/recovery/tools/recovery_l10n/res/") |
| .hasArgs(1) |
| .isRequired() |
| .create()); |
| |
| options.addOption( |
| OptionBuilder.withLongOpt("output_file") |
| .withDescription("Path to the generated image.") |
| .hasArgs(1) |
| .isRequired() |
| .create()); |
| |
| options.addOption( |
| OptionBuilder.withLongOpt("center_alignment") |
| .withDescription("Align the text in the center of the screen.") |
| .hasArg(false) |
| .create()); |
| |
| options.addOption( |
| OptionBuilder.withLongOpt("verbose") |
| .withDescription("Output the logging above info level.") |
| .hasArg(false) |
| .create()); |
| |
| options.addOption( |
| OptionBuilder.withLongOpt("locales") |
| .withDescription("A list of android locales separated by ',' e.g." |
| + " 'af,en,zh-rTW'") |
| .hasArg(true) |
| .create()); |
| |
| return options; |
| } |
| |
| /** The main function parses the command line options and generates the desired text image. */ |
| public static void main(String[] args) |
| throws NumberFormatException, IOException, FontFormatException, |
| LocalizedStringNotFoundException { |
| Options options = createOptions(); |
| CommandLine cmd; |
| try { |
| cmd = new GnuParser().parse(options, args); |
| } catch (ParseException e) { |
| System.err.println(e.getMessage()); |
| printUsage(options); |
| return; |
| } |
| |
| int imageWidth = Integer.parseUnsignedInt(cmd.getOptionValue("image_width")); |
| |
| if (cmd.hasOption("verbose")) { |
| LOGGER.setLevel(Level.INFO); |
| } else { |
| LOGGER.setLevel(Level.WARNING); |
| } |
| |
| ImageGenerator imageGenerator = |
| new ImageGenerator( |
| imageWidth, |
| cmd.getOptionValue("text_name"), |
| DEFAULT_FONT_SIZE, |
| cmd.getOptionValue("font_dir"), |
| cmd.hasOption("center_alignment")); |
| |
| Set<String> localesSet = null; |
| if (cmd.hasOption("locales")) { |
| String[] localesList = cmd.getOptionValue("locales").split(","); |
| localesSet = new HashSet<>(Arrays.asList(localesList)); |
| // Ensures that we have the default locale, all english translations are identical. |
| localesSet.add("en-rAU"); |
| } |
| Map<Locale, String> localizedStringMap = |
| imageGenerator.readLocalizedStringFromXmls(cmd.getOptionValue("resource_dir"), |
| localesSet); |
| imageGenerator.generateImage(localizedStringMap, cmd.getOptionValue("output_file")); |
| } |
| } |
