Trace bitmaps decoding (787e3579) · Commits · e / os / android_frameworks_base

core/jni/android/graphics/BitmapFactory.cpp

+0 −29

Original line number	Diff line number	Diff line
		@@ -116,30 +116,6 @@ static void scaleNinePatchChunk(android::Res_png_9patch* chunk, float scale) {
		}
		}

		static jbyteArray nativeScaleNinePatch(JNIEnv* env, jobject, jbyteArray chunkObject, jfloat scale,
		jobject padding) {

		jbyte* array = env->GetByteArrayElements(chunkObject, 0);
		if (array != NULL) {
		size_t chunkSize = env->GetArrayLength(chunkObject);
		void* storage = alloca(chunkSize);
		android::Res_png_9patch* chunk = static_cast<android::Res_png_9patch*>(storage);
		memcpy(chunk, array, chunkSize);
		android::Res_png_9patch::deserialize(chunk);

		scaleNinePatchChunk(chunk, scale);
		memcpy(array, chunk, chunkSize);

		if (padding) {
		GraphicsJNI::set_jrect(env, padding, chunk->paddingLeft, chunk->paddingTop,
		chunk->paddingRight, chunk->paddingBottom);
		}

		env->ReleaseByteArrayElements(chunkObject, array, 0);
		}
		return chunkObject;
		}

		static SkPixelRef* installPixelRef(SkBitmap* bitmap, SkStream* stream,
		int sampleSize, bool ditherImage) {

		@@ -624,11 +600,6 @@ static JNINativeMethod gMethods[] = {
		(void*)nativeDecodeByteArray
		},

		{ "nativeScaleNinePatch",
		"([BFLandroid/graphics/Rect;)[B",
		(void*)nativeScaleNinePatch
		},

		{ "nativeIsSeekable",
		"(Ljava/io/FileDescriptor;)Z",
		(void*)nativeIsSeekable

graphics/java/android/graphics/BitmapFactory.java

+45 −34

Original line number	Diff line number	Diff line
		@@ -18,6 +18,7 @@ package android.graphics;

		import android.content.res.AssetManager;
		import android.content.res.Resources;
		import android.os.Trace;
		import android.util.DisplayMetrics;
		import android.util.Log;
		import android.util.TypedValue;
		@@ -436,12 +437,21 @@ public class BitmapFactory {
		if ((offset \| length) < 0 \|\| data.length < offset + length) {
		throw new ArrayIndexOutOfBoundsException();
		}
		Bitmap bm = nativeDecodeByteArray(data, offset, length, opts);

		Bitmap bm;

		Trace.traceBegin(Trace.TRACE_TAG_GRAPHICS, "decodeBitmap");
		try {
		bm = nativeDecodeByteArray(data, offset, length, opts);

		if (bm == null && opts != null && opts.inBitmap != null) {
		throw new IllegalArgumentException("Problem decoding into existing bitmap");
		}
		setDensityFromOptions(bm, opts);
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_GRAPHICS);
		}

		return bm;
		}

		@@ -508,8 +518,11 @@ public class BitmapFactory {
		return null;
		}

		// we need mark/reset to work properly
		Bitmap bm;

		Trace.traceBegin(Trace.TRACE_TAG_GRAPHICS, "decodeBitmap");
		try {
		// we need mark/reset to work properly
		if (!is.markSupported()) {
		is = new BufferedInputStream(is, DECODE_BUFFER_SIZE);
		}
		@@ -519,9 +532,6 @@ public class BitmapFactory {
		// value should be.
		is.mark(1024);

		Bitmap bm;
		boolean finish = true;

		if (is instanceof AssetManager.AssetInputStream) {
		final int asset = ((AssetManager.AssetInputStream) is).getAssetInt();
		bm = nativeDecodeAsset(asset, outPadding, opts);
		@@ -541,6 +551,10 @@ public class BitmapFactory {
		}

		setDensityFromOptions(bm, opts);
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_GRAPHICS);
		}

		return bm;
		}

		@@ -608,10 +622,7 @@ public class BitmapFactory {
		private static native Bitmap nativeDecodeFileDescriptor(FileDescriptor fd,
		Rect padding, Options opts);
		private static native Bitmap nativeDecodeAsset(int asset, Rect padding, Options opts);
		private static native Bitmap nativeDecodeAsset(int asset, Rect padding, Options opts,
		boolean applyScale, float scale);
		private static native Bitmap nativeDecodeByteArray(byte[] data, int offset,
		int length, Options opts);
		private static native byte[] nativeScaleNinePatch(byte[] chunk, float scale, Rect pad);
		private static native boolean nativeIsSeekable(FileDescriptor fd);
		}