mirror of
https://github.com/revanced/Apktool.git
synced 2025-05-02 23:04:26 +02:00
feat: decode 9patch files on Android
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oSumAtrIX
parent
4608df636e
commit
72ffcbbc44
@ -11,6 +11,20 @@ val xmlunitVersion: String by rootProject.extra
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val gitRevision: String by rootProject.extra
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val apktoolVersion: String by rootProject.extra
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// region Determine Android SDK location
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val sdkRoot: String? = System.getenv("ANDROID_SDK_ROOT")
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val androidJarPath: String = if (sdkRoot == null) {
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GradleException("Missing ANDROID_SDK_ROOT").printStackTrace()
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"com.google.android:android:4.1.1.4"
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} else {
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val androidVersion = 33
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File("$sdkRoot/platforms/android-$androidVersion/android.jar").path
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}
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// endregion
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tasks {
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processResources {
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from("src/main/resources/properties") {
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@ -49,4 +63,6 @@ dependencies {
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testImplementation("junit:junit:$junitVersion")
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testImplementation("org.xmlunit:xmlunit-legacy:$xmlunitVersion")
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compileOnly(files(androidJarPath))
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}
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@ -28,6 +28,7 @@ import brut.androlib.res.xml.ResXmlPatcher;
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import brut.directory.Directory;
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import brut.directory.DirectoryException;
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import brut.directory.FileDirectory;
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import brut.util.OSDetection;
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import org.xmlpull.v1.XmlSerializer;
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import java.io.*;
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@ -148,7 +149,11 @@ public class ResourcesDecoder {
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ResStreamDecoderContainer decoders = new ResStreamDecoderContainer();
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decoders.setDecoder("raw", new ResRawStreamDecoder());
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decoders.setDecoder("9patch", new Res9patchStreamDecoder());
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decoders.setDecoder(
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"9patch",
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OSDetection.isAndroid() ? new Res9patchAndroidStreamDecoder() : new Res9patchStreamDecoder()
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);
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AXmlResourceParser axmlParser = new AXmlResourceParser(mResTable);
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decoders.setDecoder("xml", new XmlPullStreamDecoder(axmlParser, getResXmlSerializer()));
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@ -0,0 +1,135 @@
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package brut.androlib.res.decoder;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import brut.androlib.exceptions.AndrolibException;
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import brut.androlib.exceptions.CantFind9PatchChunkException;
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import brut.androlib.res.data.ninepatch.NinePatchData;
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import brut.androlib.res.data.ninepatch.OpticalInset;
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import brut.util.ExtDataInput;
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import org.apache.commons.io.IOUtils;
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import java.io.*;
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public class Res9patchAndroidStreamDecoder implements ResStreamDecoder {
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public void decode(InputStream in, OutputStream out) throws AndrolibException {
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try {
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byte[] data = IOUtils.toByteArray(in);
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if (data.length == 0) {
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return;
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}
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Bitmap bm = BitmapFactory.decodeByteArray(data, 0, data.length);
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int width = bm.getWidth(), height = bm.getHeight();
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Bitmap outImg = Bitmap.createBitmap(width + 2, height + 2, bm.getConfig());
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for (int w = 0; w < width; w++)
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for (int h = 0; h < height; h++) outImg.setPixel(w + 1, h + 1, bm.getPixel(w, h));
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NinePatchData np = getNinePatch(data);
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drawHLineA(outImg, height + 1, np.padLeft + 1, width - np.padRight);
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drawVLineA(outImg, width + 1, np.padTop + 1, height - np.padBottom);
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int[] xDivs = np.xDivs;
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if (xDivs.length == 0) {
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drawHLineA(outImg, 0, 1, width);
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} else {
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for (int i = 0; i < xDivs.length; i += 2) {
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drawHLineA(outImg, 0, xDivs[i] + 1, xDivs[i + 1]);
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}
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}
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int[] yDivs = np.yDivs;
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if (yDivs.length == 0) {
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drawVLineA(outImg, 0, 1, height);
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} else {
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for (int i = 0; i < yDivs.length; i += 2) {
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drawVLineA(outImg, 0, yDivs[i] + 1, yDivs[i + 1]);
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}
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}
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// Some images additionally use Optical Bounds
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// https://developer.android.com/about/versions/android-4.3.html#OpticalBounds
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try {
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OpticalInset oi = getOpticalInset(data);
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for (int i = 0; i < oi.layoutBoundsLeft; i++) {
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int x = 1 + i;
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outImg.setPixel(x, height + 1, OI_COLOR);
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}
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for (int i = 0; i < oi.layoutBoundsRight; i++) {
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int x = width - i;
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outImg.setPixel(x, height + 1, OI_COLOR);
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}
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for (int i = 0; i < oi.layoutBoundsTop; i++) {
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int y = 1 + i;
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outImg.setPixel(width + 1, y, OI_COLOR);
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}
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for (int i = 0; i < oi.layoutBoundsBottom; i++) {
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int y = height - i;
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outImg.setPixel(width + 1, y, OI_COLOR);
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}
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} catch (CantFind9PatchChunkException t) {
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// This chunk might not exist
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}
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outImg.compress(Bitmap.CompressFormat.PNG, 100, out);
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bm.recycle();
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outImg.recycle();
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} catch (IOException ex) {
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throw new AndrolibException(ex);
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}
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}
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private NinePatchData getNinePatch(byte[] data) throws AndrolibException,
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IOException {
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ExtDataInput di = new ExtDataInput(new ByteArrayInputStream(data));
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find9patchChunk(di, NP_CHUNK_TYPE);
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return NinePatchData.decode(di);
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}
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private OpticalInset getOpticalInset(byte[] data) throws AndrolibException,
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IOException {
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ExtDataInput di = new ExtDataInput(new ByteArrayInputStream(data));
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find9patchChunk(di, OI_CHUNK_TYPE);
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return OpticalInset.decode(di);
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}
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private void find9patchChunk(DataInput di, int magic) throws AndrolibException,
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IOException {
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di.skipBytes(8);
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while (true) {
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int size;
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try {
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size = di.readInt();
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} catch (IOException ex) {
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throw new CantFind9PatchChunkException("Cant find nine patch chunk", ex);
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}
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if (di.readInt() == magic) {
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return;
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}
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di.skipBytes(size + 4);
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}
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}
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private void drawHLineA(Bitmap bm, int y, int x1, int x2) {
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for (int x = x1; x <= x2; x++) {
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bm.setPixel(x, y, NP_COLOR);
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}
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}
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private void drawVLineA(Bitmap bm, int x, int y1, int y2) {
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for (int y = y1; y <= y2; y++) {
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bm.setPixel(x, y, NP_COLOR);
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}
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}
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private static final int NP_CHUNK_TYPE = 0x6e705463; // npTc
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private static final int OI_CHUNK_TYPE = 0x6e704c62; // npLb
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private static final int NP_COLOR = 0xff000000;
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private static final int OI_COLOR = 0xffff0000;
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}
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@ -18,10 +18,13 @@ package brut.androlib.decode;
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import brut.androlib.BaseTest;
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import brut.androlib.TestUtils;
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import brut.androlib.res.decoder.Res9patchAndroidStreamDecoder;
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import brut.androlib.res.decoder.Res9patchStreamDecoder;
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import brut.androlib.res.decoder.ResStreamDecoder;
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import brut.common.BrutException;
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import brut.directory.ExtFile;
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import brut.util.OS;
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import brut.util.OSDetection;
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import org.junit.AfterClass;
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import org.junit.BeforeClass;
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import org.junit.Test;
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@ -51,7 +54,7 @@ public class MissingDiv9PatchTest extends BaseTest {
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InputStream inputStream = getFileInputStream();
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ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
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Res9patchStreamDecoder decoder = new Res9patchStreamDecoder();
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ResStreamDecoder decoder = OSDetection.isAndroid() ? new Res9patchAndroidStreamDecoder() : new Res9patchStreamDecoder();
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decoder.decode(inputStream, outputStream);
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BufferedImage image = ImageIO.read(new ByteArrayInputStream(outputStream.toByteArray()));
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@ -32,6 +32,15 @@ public class OSDetection {
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return (OS.contains("nix") || OS.contains("nux") || OS.contains("aix") || (OS.contains("sunos")));
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}
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public static boolean isAndroid() {
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try {
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Class.forName("android.app.Activity");
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return true;
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} catch (ClassNotFoundException ignored) {
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return false;
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}
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}
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public static boolean is64Bit() {
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if (isWindows()) {
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String arch = System.getenv("PROCESSOR_ARCHITECTURE");
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