Merge "image generator: format the java file" am: 860c82a66b
am: 5faf4021c9
Change-Id: I211c108d9136954b13b01f9cfed25a3d37e2392c
This commit is contained in:
Tianjie Xu
android-build-merger
@@ -50,504 +50,517 @@ import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.parsers.ParserConfigurationException;
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import javax.xml.parsers.ParserConfigurationException;
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/**
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/** Command line tool to generate the localized image for recovery mode. */
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* Command line tool to generate the localized image for recovery mode.
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*/
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public class ImageGenerator {
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public class ImageGenerator {
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// Initial height of the image to draw.
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// Initial height of the image to draw.
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private static final int INITIAL_HEIGHT = 20000;
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private static final int INITIAL_HEIGHT = 20000;
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private static final float DEFAULT_FONT_SIZE = 40;
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private static final float DEFAULT_FONT_SIZE = 40;
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// This is the canvas we used to draw texts.
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// This is the canvas we used to draw texts.
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private BufferedImage mBufferedImage;
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private BufferedImage mBufferedImage;
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// The width in pixels of our image. Once set, its value won't change.
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// The width in pixels of our image. Once set, its value won't change.
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private final int mImageWidth;
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private final int mImageWidth;
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// The current height in pixels of our image. We will adjust the value when drawing more texts.
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// The current height in pixels of our image. We will adjust the value when drawing more texts.
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private int mImageHeight;
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private int mImageHeight;
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// The current vertical offset in pixels to draw the top edge of new text strings.
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// The current vertical offset in pixels to draw the top edge of new text strings.
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private int mVerticalOffset;
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private int mVerticalOffset;
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// The font size to draw the texts.
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// The font size to draw the texts.
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private final float mFontSize;
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private final float mFontSize;
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// The name description of the text to localize. It's used to find the translated strings in the
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// The name description of the text to localize. It's used to find the translated strings in the
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// resource file.
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// resource file.
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private final String mTextName;
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private final String mTextName;
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// The directory that contains all the needed font files (e.g. ttf, otf, ttc files).
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// The directory that contains all the needed font files (e.g. ttf, otf, ttc files).
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private final String mFontDirPath;
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private final String mFontDirPath;
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// An explicit map from language to the font name to use.
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// An explicit map from language to the font name to use.
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// The map is extracted from frameworks/base/data/fonts/fonts.xml.
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// The map is extracted from frameworks/base/data/fonts/fonts.xml.
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// And the language-subtag-registry is found in:
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// And the language-subtag-registry is found in:
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// https://www.iana.org/assignments/language-subtag-registry/language-subtag-registry
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// https://www.iana.org/assignments/language-subtag-registry/language-subtag-registry
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private static final String DEFAULT_FONT_NAME = "Roboto-Regular";
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private static final String DEFAULT_FONT_NAME = "Roboto-Regular";
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private static final Map<String, String> LANGUAGE_TO_FONT_MAP = new TreeMap<String, String>() {{
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private static final Map<String, String> LANGUAGE_TO_FONT_MAP =
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put("am", "NotoSansEthiopic-Regular");
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new TreeMap<String, String>() {
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put("ar", "NotoNaskhArabicUI-Regular");
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{
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put("as", "NotoSansBengaliUI-Regular");
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put("am", "NotoSansEthiopic-Regular");
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put("bn", "NotoSansBengaliUI-Regular");
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put("ar", "NotoNaskhArabicUI-Regular");
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put("fa", "NotoNaskhArabicUI-Regular");
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put("as", "NotoSansBengaliUI-Regular");
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put("gu", "NotoSansGujaratiUI-Regular");
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put("bn", "NotoSansBengaliUI-Regular");
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put("hi", "NotoSansDevanagariUI-Regular");
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put("fa", "NotoNaskhArabicUI-Regular");
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put("hy", "NotoSansArmenian-Regular");
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put("gu", "NotoSansGujaratiUI-Regular");
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put("iw", "NotoSansHebrew-Regular");
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put("hi", "NotoSansDevanagariUI-Regular");
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put("ja", "NotoSansCJK-Regular");
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put("hy", "NotoSansArmenian-Regular");
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put("ka", "NotoSansGeorgian-Regular");
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put("iw", "NotoSansHebrew-Regular");
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put("ko", "NotoSansCJK-Regular");
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put("ja", "NotoSansCJK-Regular");
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put("km", "NotoSansKhmerUI-Regular");
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put("ka", "NotoSansGeorgian-Regular");
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put("kn", "NotoSansKannadaUI-Regular");
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put("ko", "NotoSansCJK-Regular");
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put("lo", "NotoSansLaoUI-Regular");
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put("km", "NotoSansKhmerUI-Regular");
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put("ml", "NotoSansMalayalamUI-Regular");
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put("kn", "NotoSansKannadaUI-Regular");
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put("mr", "NotoSansDevanagariUI-Regular");
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put("lo", "NotoSansLaoUI-Regular");
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put("my", "NotoSansMyanmarUI-Regular");
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put("ml", "NotoSansMalayalamUI-Regular");
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put("ne", "NotoSansDevanagariUI-Regular");
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put("mr", "NotoSansDevanagariUI-Regular");
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put("or", "NotoSansOriya-Regular");
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put("my", "NotoSansMyanmarUI-Regular");
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put("pa", "NotoSansGurmukhiUI-Regular");
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put("ne", "NotoSansDevanagariUI-Regular");
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put("si", "NotoSansSinhala-Regular");
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put("or", "NotoSansOriya-Regular");
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put("ta", "NotoSansTamilUI-Regular");
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put("pa", "NotoSansGurmukhiUI-Regular");
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put("te", "NotoSansTeluguUI-Regular");
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put("si", "NotoSansSinhala-Regular");
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put("th", "NotoSansThaiUI-Regular");
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put("ta", "NotoSansTamilUI-Regular");
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put("ur", "NotoNaskhArabicUI-Regular");
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put("te", "NotoSansTeluguUI-Regular");
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put("zh", "NotoSansCJK-Regular");
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put("th", "NotoSansThaiUI-Regular");
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}};
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put("ur", "NotoNaskhArabicUI-Regular");
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put("zh", "NotoSansCJK-Regular");
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}
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};
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// Languages that write from right to left.
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// Languages that write from right to left.
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private static final Set<String> RTL_LANGUAGE = new HashSet<String>() {{
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private static final Set<String> RTL_LANGUAGE =
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add("ar"); // Arabic
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new HashSet<String>() {
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add("fa"); // Persian
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{
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add("he"); // Hebrew
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add("ar"); // Arabic
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add("iw"); // Hebrew
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add("fa"); // Persian
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add("ur"); // Urdu
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add("he"); // Hebrew
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}};
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add("iw"); // Hebrew
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add("ur"); // Urdu
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}
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};
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// Languages that breaks on arbitrary characters.
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// Languages that breaks on arbitrary characters.
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// TODO(xunchang) switch to icu library if possible.
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// TODO(xunchang) switch to icu library if possible.
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private static final Set<String> LOGOGRAM_LANGUAGE = new HashSet<String>() {{
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private static final Set<String> LOGOGRAM_LANGUAGE =
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add("ja"); // Japanese
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new HashSet<String>() {
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add("km"); // Khmer
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{
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add("ko"); // Korean
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add("ja"); // Japanese
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add("lo"); // Lao
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add("km"); // Khmer
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add("zh"); // Chinese
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add("ko"); // Korean
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}};
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add("lo"); // Lao
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add("zh"); // Chinese
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}
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};
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/**
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/** Exception to indicate the failure to find the translated text strings. */
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* Exception to indicate the failure to find the translated text strings.
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public static class LocalizedStringNotFoundException extends Exception {
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*/
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public LocalizedStringNotFoundException(String message) {
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public static class LocalizedStringNotFoundException extends Exception {
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super(message);
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public LocalizedStringNotFoundException(String message) {
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}
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super(message);
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public LocalizedStringNotFoundException(String message, Throwable cause) {
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super(message, cause);
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}
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}
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}
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public LocalizedStringNotFoundException(String message, Throwable cause) {
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/** Initailizes the fields of the image image. */
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super(message, cause);
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public ImageGenerator(int imageWidth, String textName, float fontSize, String fontDirPath) {
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}
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mImageWidth = imageWidth;
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}
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mImageHeight = INITIAL_HEIGHT;
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mVerticalOffset = 0;
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/**
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// Initialize the canvas with the default height.
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* Initailizes the fields of the image image.
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mBufferedImage = new BufferedImage(mImageWidth, mImageHeight, BufferedImage.TYPE_BYTE_GRAY);
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*/
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public ImageGenerator(int imageWidth, String textName, float fontSize, String fontDirPath) {
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mImageWidth = imageWidth;
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mImageHeight = INITIAL_HEIGHT;
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mVerticalOffset = 0;
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// Initialize the canvas with the default height.
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mTextName = textName;
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mBufferedImage = new BufferedImage(mImageWidth, mImageHeight, BufferedImage.TYPE_BYTE_GRAY);
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mFontSize = fontSize;
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mFontDirPath = fontDirPath;
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mTextName = textName;
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mFontSize = fontSize;
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mFontDirPath = fontDirPath;
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}
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/**
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* Finds the translated text string for the given textName by parsing the resourceFile.
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* Example of the xml fields:
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* <resources xmlns:android="http://schemas.android.com/apk/res/android">
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* <string name="recovery_installing_security" msgid="9184031299717114342">
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* "Sicherheitsupdate wird installiert"</string>
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* </resources>
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*
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* @param resourceFile the input resource file in xml format.
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* @param textName the name description of the text.
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*
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* @return the string representation of the translated text.
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*/
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private String getTextString(File resourceFile, String textName) throws IOException,
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ParserConfigurationException, org.xml.sax.SAXException, LocalizedStringNotFoundException {
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DocumentBuilderFactory builder = DocumentBuilderFactory.newInstance();
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DocumentBuilder db = builder.newDocumentBuilder();
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Document doc = db.parse(resourceFile);
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doc.getDocumentElement().normalize();
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NodeList nodeList = doc.getElementsByTagName("string");
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for (int i = 0; i < nodeList.getLength(); i++) {
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Node node = nodeList.item(i);
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String name = node.getAttributes().getNamedItem("name").getNodeValue();
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if (name.equals(textName)) {
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return node.getTextContent();
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}
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}
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}
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throw new LocalizedStringNotFoundException(textName + " not found in "
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/**
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+ resourceFile.getName());
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* Finds the translated text string for the given textName by parsing the resourceFile. Example
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}
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* of the xml fields: <resources xmlns:android="http://schemas.android.com/apk/res/android">
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* <string name="recovery_installing_security" msgid="9184031299717114342"> "Sicherheitsupdate
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* wird installiert"</string> </resources>
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*
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* @param resourceFile the input resource file in xml format.
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* @param textName the name description of the text.
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* @return the string representation of the translated text.
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*/
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private String getTextString(File resourceFile, String textName)
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throws IOException, ParserConfigurationException, org.xml.sax.SAXException,
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LocalizedStringNotFoundException {
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DocumentBuilderFactory builder = DocumentBuilderFactory.newInstance();
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DocumentBuilder db = builder.newDocumentBuilder();
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/**
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Document doc = db.parse(resourceFile);
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* Constructs the locale from the name of the resource file.
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doc.getDocumentElement().normalize();
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*/
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private Locale getLocaleFromFilename(String filename) throws IOException {
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// Gets the locale string by trimming the top "values-".
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String localeString = filename.substring(7);
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if (localeString.matches("[A-Za-z]+")) {
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return Locale.forLanguageTag(localeString);
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}
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if (localeString.matches("[A-Za-z]+-r[A-Za-z]+")) {
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// "${Language}-r${Region}". e.g. en-rGB
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String[] tokens = localeString.split("-r");
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return Locale.forLanguageTag(String.join("-", tokens));
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}
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if (localeString.startsWith("b+")) {
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// The special case of b+sr+Latn, which has the form "b+${Language}+${ScriptName}"
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String[] tokens = localeString.substring(2).split("\\+");
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return Locale.forLanguageTag(String.join("-", tokens));
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}
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throw new IOException("Unrecognized locale string " + localeString);
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NodeList nodeList = doc.getElementsByTagName("string");
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}
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for (int i = 0; i < nodeList.getLength(); i++) {
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Node node = nodeList.item(i);
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String name = node.getAttributes().getNamedItem("name").getNodeValue();
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if (name.equals(textName)) {
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return node.getTextContent();
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}
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}
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/**
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* Iterates over the xml files in the format of values-$LOCALE/strings.xml under the resource
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* directory and collect the translated text.
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*
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* @param resourcePath the path to the resource directory
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*
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* @return a map with the locale as key, and translated text as value
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*
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* @throws LocalizedStringNotFoundException if we cannot find the translated text for the given
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* locale
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**/
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public Map<Locale, String> readLocalizedStringFromXmls(String resourcePath) throws
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IOException, LocalizedStringNotFoundException {
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File resourceDir = new File(resourcePath);
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if (!resourceDir.isDirectory()) {
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throw new LocalizedStringNotFoundException(resourcePath + " is not a directory.");
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}
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Map<Locale, String> result =
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// Overrides the string comparator so that sr is sorted behind sr-Latn. And thus recovery
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// can find the most relevant locale when going down the list.
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new TreeMap<>((Locale l1, Locale l2) -> {
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if (l1.toLanguageTag().equals(l2.toLanguageTag())) {
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return 0;
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}
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if (l1.getLanguage().equals(l2.toLanguageTag())) {
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return -1;
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}
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if (l2.getLanguage().equals(l1.toLanguageTag())) {
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return 1;
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}
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return l1.toLanguageTag().compareTo(l2.toLanguageTag());
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});
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// Find all the localized resource subdirectories in the format of values-$LOCALE
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String[] nameList = resourceDir.list(
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(File file, String name) -> name.startsWith("values-"));
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for (String name : nameList) {
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File textFile = new File(resourcePath, name + "/strings.xml");
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String localizedText;
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try {
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localizedText = getTextString(textFile, mTextName);
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} catch (IOException | ParserConfigurationException | org.xml.sax.SAXException e) {
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throw new LocalizedStringNotFoundException(
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throw new LocalizedStringNotFoundException(
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"Failed to read the translated text for locale " + name, e);
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textName + " not found in " + resourceFile.getName());
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}
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Locale locale = getLocaleFromFilename(name);
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// Removes the double quotation mark from the text.
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result.put(locale, localizedText.substring(1, localizedText.length() - 1));
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}
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}
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return result;
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/** Constructs the locale from the name of the resource file. */
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}
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private Locale getLocaleFromFilename(String filename) throws IOException {
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// Gets the locale string by trimming the top "values-".
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String localeString = filename.substring(7);
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if (localeString.matches("[A-Za-z]+")) {
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return Locale.forLanguageTag(localeString);
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}
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if (localeString.matches("[A-Za-z]+-r[A-Za-z]+")) {
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// "${Language}-r${Region}". e.g. en-rGB
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String[] tokens = localeString.split("-r");
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return Locale.forLanguageTag(String.join("-", tokens));
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}
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if (localeString.startsWith("b+")) {
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// The special case of b+sr+Latn, which has the form "b+${Language}+${ScriptName}"
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String[] tokens = localeString.substring(2).split("\\+");
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return Locale.forLanguageTag(String.join("-", tokens));
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}
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/**
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throw new IOException("Unrecognized locale string " + localeString);
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* Returns a font object associated given the given locale
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*
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* @throws IOException if the font file fails to open
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* @throws FontFormatException if the font file doesn't have the expected format
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*/
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private Font loadFontsByLocale(String language) throws IOException, FontFormatException {
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String fontName = LANGUAGE_TO_FONT_MAP.getOrDefault(language, DEFAULT_FONT_NAME);
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String[] suffixes = {".otf", ".ttf", ".ttc"};
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for (String suffix : suffixes ) {
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File fontFile = new File(mFontDirPath, fontName + suffix);
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if (fontFile.isFile()) {
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return Font.createFont(Font.TRUETYPE_FONT, fontFile).deriveFont(mFontSize);
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}
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}
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}
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throw new IOException("Can not find the font file " + fontName + " for language " + language);
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/**
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}
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* Iterates over the xml files in the format of values-$LOCALE/strings.xml under the resource
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||||||
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* directory and collect the translated text.
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||||||
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*
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||||||
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* @param resourcePath the path to the resource directory
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||||||
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* @return a map with the locale as key, and translated text as value
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||||||
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* @throws LocalizedStringNotFoundException if we cannot find the translated text for the given
|
||||||
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* locale
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*/
|
||||||
|
public Map<Locale, String> readLocalizedStringFromXmls(String resourcePath)
|
||||||
|
throws IOException, LocalizedStringNotFoundException {
|
||||||
|
File resourceDir = new File(resourcePath);
|
||||||
|
if (!resourceDir.isDirectory()) {
|
||||||
|
throw new LocalizedStringNotFoundException(resourcePath + " is not a directory.");
|
||||||
|
}
|
||||||
|
|
||||||
/**
|
Map<Locale, String> result =
|
||||||
* Separates the text string by spaces and wraps it by words.
|
// 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.
|
||||||
private List<String> wrapTextByWords(String text, FontMetrics metrics) {
|
new TreeMap<>(
|
||||||
List<String> wrappedText = new ArrayList<>();
|
(Locale l1, Locale l2) -> {
|
||||||
StringTokenizer st = new StringTokenizer(text, " \n");
|
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());
|
||||||
|
});
|
||||||
|
|
||||||
// TODO(xunchang). We assume that all words can fit on the screen. Raise an
|
// Find all the localized resource subdirectories in the format of values-$LOCALE
|
||||||
// IllegalStateException if the word is wider than the image width.
|
String[] nameList =
|
||||||
StringBuilder line = new StringBuilder();
|
resourceDir.list((File file, String name) -> name.startsWith("values-"));
|
||||||
while (st.hasMoreTokens()) {
|
for (String name : nameList) {
|
||||||
String token = st.nextToken();
|
File textFile = new File(resourcePath, name + "/strings.xml");
|
||||||
if (metrics.stringWidth(line + token + " ") > mImageWidth) {
|
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 {
|
||||||
|
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()) {
|
||||||
|
return Font.createFont(Font.TRUETYPE_FONT, fontFile).deriveFont(mFontSize);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
throw new IOException(
|
||||||
|
"Can not find the font file " + fontName + " for language " + language);
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Separates the text string by spaces and wraps it by words. */
|
||||||
|
private List<String> wrapTextByWords(String text, FontMetrics metrics) {
|
||||||
|
List<String> wrappedText = new ArrayList<>();
|
||||||
|
StringTokenizer st = new StringTokenizer(text, " \n");
|
||||||
|
|
||||||
|
// TODO(xunchang). We assume that all words can fit on the screen. Raise an
|
||||||
|
// IllegalStateException if the word is wider than the image width.
|
||||||
|
StringBuilder line = new StringBuilder();
|
||||||
|
while (st.hasMoreTokens()) {
|
||||||
|
String token = st.nextToken();
|
||||||
|
if (metrics.stringWidth(line + token + " ") > mImageWidth) {
|
||||||
|
wrappedText.add(line.toString());
|
||||||
|
line = new StringBuilder();
|
||||||
|
}
|
||||||
|
line.append(token).append(" ");
|
||||||
|
}
|
||||||
wrappedText.add(line.toString());
|
wrappedText.add(line.toString());
|
||||||
line = new StringBuilder();
|
|
||||||
}
|
return wrappedText;
|
||||||
line.append(token).append(" ");
|
|
||||||
}
|
}
|
||||||
wrappedText.add(line.toString());
|
|
||||||
|
|
||||||
return wrappedText;
|
/** One character is a word for CJK. */
|
||||||
}
|
private List<String> wrapTextByCharacters(String text, FontMetrics metrics) {
|
||||||
|
List<String> wrappedText = new ArrayList<>();
|
||||||
|
|
||||||
/**
|
StringBuilder line = new StringBuilder();
|
||||||
* One character is a word for CJK.
|
for (char token : text.toCharArray()) {
|
||||||
*/
|
if (metrics.stringWidth(line + Character.toString(token)) > mImageWidth) {
|
||||||
private List<String> wrapTextByCharacters(String text, FontMetrics metrics) {
|
wrappedText.add(line.toString());
|
||||||
List<String> wrappedText = new ArrayList<>();
|
line = new StringBuilder();
|
||||||
|
}
|
||||||
StringBuilder line = new StringBuilder();
|
line.append(token);
|
||||||
for (char token : text.toCharArray()) {
|
}
|
||||||
if (metrics.stringWidth(line + Character.toString(token)) > mImageWidth) {
|
|
||||||
wrappedText.add(line.toString());
|
wrappedText.add(line.toString());
|
||||||
line = new StringBuilder();
|
|
||||||
}
|
|
||||||
line.append(token);
|
|
||||||
}
|
|
||||||
wrappedText.add(line.toString());
|
|
||||||
|
|
||||||
return wrappedText;
|
return wrappedText;
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* 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 list of strings with their width smaller than mImageWidth pixels
|
|
||||||
*/
|
|
||||||
private List<String> wrapText(String text, FontMetrics metrics, String language) {
|
|
||||||
if (LOGOGRAM_LANGUAGE.contains(language)) {
|
|
||||||
return wrapTextByCharacters(text, metrics);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
return wrapTextByWords(text, metrics);
|
/**
|
||||||
}
|
* 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 list of strings with their width smaller than mImageWidth pixels
|
||||||
|
*/
|
||||||
|
private List<String> wrapText(String text, FontMetrics metrics, String language) {
|
||||||
|
if (LOGOGRAM_LANGUAGE.contains(language)) {
|
||||||
|
return wrapTextByCharacters(text, metrics);
|
||||||
|
}
|
||||||
|
|
||||||
/**
|
return wrapTextByWords(text, metrics);
|
||||||
* 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;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* 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, boolean centralAlignment)
|
|
||||||
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()));
|
|
||||||
|
|
||||||
System.out.println("Encoding \"" + locale + "\" as \"" + languageTag + "\": " + text);
|
|
||||||
|
|
||||||
FontMetrics fontMetrics = graphics.getFontMetrics();
|
|
||||||
List<String> wrappedText = wrapText(text, fontMetrics, locale.getLanguage());
|
|
||||||
|
|
||||||
// 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 (String line : wrappedText) {
|
|
||||||
int lineHeight = fontMetrics.getHeight();
|
|
||||||
// Doubles the height of the image if we are short of space.
|
|
||||||
if (mVerticalOffset + lineHeight >= mImageHeight) {
|
|
||||||
resizeHeight(mImageHeight * 2);
|
|
||||||
}
|
|
||||||
|
|
||||||
// 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 = centralAlignment ? (mImageWidth - fontMetrics.stringWidth(line)) / 2 :
|
|
||||||
RTL_LANGUAGE.contains(languageTag) ? mImageWidth - fontMetrics.stringWidth(line) : 0;
|
|
||||||
|
|
||||||
graphics.drawString(line, x, baseLine);
|
|
||||||
|
|
||||||
mVerticalOffset += lineHeight;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
// Encodes the metadata of the current localized image as pixels.
|
/**
|
||||||
int currentImageHeight = mVerticalOffset - currentImageStart - 1;
|
* Encodes the information of the text image for |locale|. According to minui/resources.cpp, the
|
||||||
List<Integer> info = encodeTextInfo(mImageWidth, currentImageHeight, languageTag);
|
* width, height and locale of the image is decoded as: int w = (row[1] << 8) | row[0]; int h =
|
||||||
for (int i = 0; i < info.size(); i++) {
|
* (row[3] << 8) | row[2]; __unused int len = row[4]; char* loc =
|
||||||
int pixel[] = { info.get(i) };
|
* reinterpret_cast<char*>(&row[5]);
|
||||||
mBufferedImage.getRaster().setPixel(i, currentImageStart, pixel);
|
*/
|
||||||
}
|
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();
|
||||||
* Redraws the image with the new height.
|
for (byte b : localeBytes) {
|
||||||
*
|
info.add((int) b);
|
||||||
* @param height the new height of the image in pixels.
|
}
|
||||||
*/
|
info.add(0);
|
||||||
private void resizeHeight(int height) {
|
|
||||||
BufferedImage resizedImage =
|
|
||||||
new BufferedImage(mImageWidth, height, BufferedImage.TYPE_BYTE_GRAY);
|
|
||||||
Graphics2D graphic = resizedImage.createGraphics();
|
|
||||||
graphic.drawImage(mBufferedImage, 0, 0, null);
|
|
||||||
graphic.dispose();
|
|
||||||
|
|
||||||
mBufferedImage = resizedImage;
|
return info;
|
||||||
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 {
|
|
||||||
Map<String, Integer> languageCount = new TreeMap<>();
|
|
||||||
for (Locale locale : localizedTextMap.keySet()) {
|
|
||||||
String language = locale.getLanguage();
|
|
||||||
languageCount.put(language, languageCount.getOrDefault(language, 0) + 1 );
|
|
||||||
}
|
}
|
||||||
|
|
||||||
for (Locale locale : localizedTextMap.keySet()) {
|
/**
|
||||||
Integer count = languageCount.get(locale.getLanguage());
|
* Draws the text string on the canvas for given locale.
|
||||||
// Recovery expects en-US instead of en_US.
|
*
|
||||||
String languageTag = locale.toLanguageTag();
|
* @param text the string to draw on canvas
|
||||||
if (count == 1) {
|
* @param locale the current locale tag of the string to draw
|
||||||
// Make the last country variant for a given language be the catch-all for that language.
|
* @throws IOException if we cannot find the corresponding font file for the given locale.
|
||||||
languageTag = locale.getLanguage();
|
* @throws FontFormatException if we failed to load the font file for the given locale.
|
||||||
} else {
|
*/
|
||||||
languageCount.put(locale.getLanguage(), count - 1);
|
private void drawText(String text, Locale locale, String languageTag, boolean centralAlignment)
|
||||||
}
|
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()));
|
||||||
|
|
||||||
drawText(localizedTextMap.get(locale), locale, languageTag, false);
|
System.out.println("Encoding \"" + locale + "\" as \"" + languageTag + "\": " + text);
|
||||||
|
|
||||||
|
FontMetrics fontMetrics = graphics.getFontMetrics();
|
||||||
|
List<String> wrappedText = wrapText(text, fontMetrics, locale.getLanguage());
|
||||||
|
|
||||||
|
// 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 (String line : wrappedText) {
|
||||||
|
int lineHeight = fontMetrics.getHeight();
|
||||||
|
// Doubles the height of the image if we are short of space.
|
||||||
|
if (mVerticalOffset + lineHeight >= mImageHeight) {
|
||||||
|
resizeHeight(mImageHeight * 2);
|
||||||
|
}
|
||||||
|
|
||||||
|
// 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 =
|
||||||
|
centralAlignment
|
||||||
|
? (mImageWidth - fontMetrics.stringWidth(line)) / 2
|
||||||
|
: RTL_LANGUAGE.contains(languageTag)
|
||||||
|
? mImageWidth - fontMetrics.stringWidth(line)
|
||||||
|
: 0;
|
||||||
|
|
||||||
|
graphics.drawString(line, 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);
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// TODO(xunchang) adjust the width to save some space if all texts are smaller than imageWidth.
|
/**
|
||||||
resizeHeight(mVerticalOffset);
|
* Redraws the image with the new height.
|
||||||
ImageIO.write(mBufferedImage, "png", new File(outputPath));
|
*
|
||||||
}
|
* @param height the new height of the image in pixels.
|
||||||
|
*/
|
||||||
|
private void resizeHeight(int height) {
|
||||||
|
BufferedImage resizedImage =
|
||||||
|
new BufferedImage(mImageWidth, height, BufferedImage.TYPE_BYTE_GRAY);
|
||||||
|
Graphics2D graphic = resizedImage.createGraphics();
|
||||||
|
graphic.drawImage(mBufferedImage, 0, 0, null);
|
||||||
|
graphic.dispose();
|
||||||
|
|
||||||
public static void printUsage(Options options) {
|
mBufferedImage = resizedImage;
|
||||||
new HelpFormatter().printHelp("java -jar path_to_jar [required_options]", options);
|
mImageHeight = height;
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
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());
|
|
||||||
|
|
||||||
return options;
|
|
||||||
}
|
|
||||||
|
|
||||||
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"));
|
/**
|
||||||
|
* 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 {
|
||||||
|
Map<String, Integer> languageCount = new TreeMap<>();
|
||||||
|
for (Locale locale : localizedTextMap.keySet()) {
|
||||||
|
String language = locale.getLanguage();
|
||||||
|
languageCount.put(language, languageCount.getOrDefault(language, 0) + 1);
|
||||||
|
}
|
||||||
|
|
||||||
ImageGenerator imageGenerator = new ImageGenerator(imageWidth, cmd.getOptionValue("text_name"),
|
for (Locale locale : localizedTextMap.keySet()) {
|
||||||
DEFAULT_FONT_SIZE, cmd.getOptionValue("font_dir"));
|
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);
|
||||||
|
}
|
||||||
|
|
||||||
Map<Locale, String> localizedStringMap =
|
drawText(localizedTextMap.get(locale), locale, languageTag, false);
|
||||||
imageGenerator.readLocalizedStringFromXmls(cmd.getOptionValue("resource_dir"));
|
}
|
||||||
imageGenerator.generateImage(localizedStringMap, cmd.getOptionValue("output_file"));
|
|
||||||
}
|
// TODO(xunchang) adjust the width to save some space if all texts are smaller than
|
||||||
|
// imageWidth.
|
||||||
|
resizeHeight(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());
|
||||||
|
|
||||||
|
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"));
|
||||||
|
|
||||||
|
ImageGenerator imageGenerator =
|
||||||
|
new ImageGenerator(
|
||||||
|
imageWidth,
|
||||||
|
cmd.getOptionValue("text_name"),
|
||||||
|
DEFAULT_FONT_SIZE,
|
||||||
|
cmd.getOptionValue("font_dir"));
|
||||||
|
|
||||||
|
Map<Locale, String> localizedStringMap =
|
||||||
|
imageGenerator.readLocalizedStringFromXmls(cmd.getOptionValue("resource_dir"));
|
||||||
|
imageGenerator.generateImage(localizedStringMap, cmd.getOptionValue("output_file"));
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
Reference in New Issue
Block a user