auto import from //depot/cupcake/@135843
diff --git a/core/jni/android/graphics/Graphics.cpp b/core/jni/android/graphics/Graphics.cpp
new file mode 100644
index 0000000..6eebbdc
--- /dev/null
+++ b/core/jni/android/graphics/Graphics.cpp
@@ -0,0 +1,587 @@
+#include "jni.h"
+#include "GraphicsJNI.h"
+#include "NIOBuffer.h"
+#include "SkPicture.h"
+#include "SkRegion.h"
+#include <android_runtime/AndroidRuntime.h>
+
+//#define TRACK_LOCK_COUNT
+
+void doThrow(JNIEnv* env, const char* exc, const char* msg) {
+ // don't throw a new exception if we already have one pending
+ if (env->ExceptionCheck() == JNI_FALSE) {
+ jclass npeClazz;
+
+ npeClazz = env->FindClass(exc);
+ LOG_FATAL_IF(npeClazz == NULL, "Unable to find class %s", exc);
+
+ env->ThrowNew(npeClazz, msg);
+ }
+}
+
+void doThrowNPE(JNIEnv* env) {
+ doThrow(env, "java/lang/NullPointerException");
+}
+
+void doThrowAIOOBE(JNIEnv* env) {
+ doThrow(env, "java/lang/ArrayIndexOutOfBoundsException");
+}
+
+void doThrowRE(JNIEnv* env, const char* msg) {
+ doThrow(env, "java/lang/RuntimeException", msg);
+}
+
+void doThrowIAE(JNIEnv* env, const char* msg) {
+ doThrow(env, "java/lang/IllegalArgumentException", msg);
+}
+
+void doThrowISE(JNIEnv* env, const char* msg) {
+ doThrow(env, "java/lang/IllegalStateException", msg);
+}
+
+void doThrowOOME(JNIEnv* env, const char* msg) {
+ doThrow(env, "java/lang/OutOfMemoryError", msg);
+}
+
+bool GraphicsJNI::hasException(JNIEnv *env) {
+ if (env->ExceptionCheck() != 0) {
+ LOGE("*** Uncaught exception returned from Java call!\n");
+ env->ExceptionDescribe();
+ return true;
+ }
+ return false;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+AutoJavaFloatArray::AutoJavaFloatArray(JNIEnv* env, jfloatArray array,
+ int minLength)
+: fEnv(env), fArray(array), fPtr(NULL), fLen(0) {
+ SkASSERT(env);
+ if (array) {
+ fLen = env->GetArrayLength(array);
+ if (fLen < minLength) {
+ sk_throw();
+ }
+ fPtr = env->GetFloatArrayElements(array, NULL);
+ }
+}
+
+AutoJavaFloatArray::~AutoJavaFloatArray() {
+ if (fPtr) {
+ fEnv->ReleaseFloatArrayElements(fArray, fPtr, 0);
+ }
+}
+
+AutoJavaIntArray::AutoJavaIntArray(JNIEnv* env, jintArray array,
+ int minLength)
+: fEnv(env), fArray(array), fPtr(NULL), fLen(0) {
+ SkASSERT(env);
+ if (array) {
+ fLen = env->GetArrayLength(array);
+ if (fLen < minLength) {
+ sk_throw();
+ }
+ fPtr = env->GetIntArrayElements(array, NULL);
+ }
+}
+
+AutoJavaIntArray::~AutoJavaIntArray() {
+ if (fPtr) {
+ fEnv->ReleaseIntArrayElements(fArray, fPtr, 0);
+ }
+}
+
+AutoJavaShortArray::AutoJavaShortArray(JNIEnv* env, jshortArray array,
+ int minLength)
+: fEnv(env), fArray(array), fPtr(NULL), fLen(0) {
+ SkASSERT(env);
+ if (array) {
+ fLen = env->GetArrayLength(array);
+ if (fLen < minLength) {
+ sk_throw();
+ }
+ fPtr = env->GetShortArrayElements(array, NULL);
+ }
+}
+
+AutoJavaShortArray::~AutoJavaShortArray() {
+ if (fPtr) {
+ fEnv->ReleaseShortArrayElements(fArray, fPtr, 0);
+ }
+}
+
+AutoJavaByteArray::AutoJavaByteArray(JNIEnv* env, jbyteArray array,
+ int minLength)
+: fEnv(env), fArray(array), fPtr(NULL), fLen(0) {
+ SkASSERT(env);
+ if (array) {
+ fLen = env->GetArrayLength(array);
+ if (fLen < minLength) {
+ sk_throw();
+ }
+ fPtr = env->GetByteArrayElements(array, NULL);
+ }
+}
+
+AutoJavaByteArray::~AutoJavaByteArray() {
+ if (fPtr) {
+ fEnv->ReleaseByteArrayElements(fArray, fPtr, 0);
+ }
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+static jclass gRect_class;
+static jfieldID gRect_leftFieldID;
+static jfieldID gRect_topFieldID;
+static jfieldID gRect_rightFieldID;
+static jfieldID gRect_bottomFieldID;
+
+static jclass gRectF_class;
+static jfieldID gRectF_leftFieldID;
+static jfieldID gRectF_topFieldID;
+static jfieldID gRectF_rightFieldID;
+static jfieldID gRectF_bottomFieldID;
+
+static jclass gPoint_class;
+static jfieldID gPoint_xFieldID;
+static jfieldID gPoint_yFieldID;
+
+static jclass gPointF_class;
+static jfieldID gPointF_xFieldID;
+static jfieldID gPointF_yFieldID;
+
+static jclass gBitmap_class;
+static jfieldID gBitmap_nativeInstanceID;
+static jmethodID gBitmap_constructorMethodID;
+static jmethodID gBitmap_allocBufferMethodID;
+
+static jclass gBitmapConfig_class;
+static jfieldID gBitmapConfig_nativeInstanceID;
+
+static jclass gCanvas_class;
+static jfieldID gCanvas_nativeInstanceID;
+static jfieldID gCanvas_densityScaleID;
+
+static jclass gPaint_class;
+static jfieldID gPaint_nativeInstanceID;
+
+static jclass gPicture_class;
+static jfieldID gPicture_nativeInstanceID;
+
+static jclass gRegion_class;
+static jfieldID gRegion_nativeInstanceID;
+static jmethodID gRegion_constructorMethodID;
+
+static jobject gVMRuntime_singleton;
+static jmethodID gVMRuntime_trackExternalAllocationMethodID;
+static jmethodID gVMRuntime_trackExternalFreeMethodID;
+
+///////////////////////////////////////////////////////////////////////////////
+
+void GraphicsJNI::get_jrect(JNIEnv* env, jobject obj, int* L, int* T, int* R, int* B)
+{
+ SkASSERT(env->IsInstanceOf(obj, gRect_class));
+
+ *L = env->GetIntField(obj, gRect_leftFieldID);
+ *T = env->GetIntField(obj, gRect_topFieldID);
+ *R = env->GetIntField(obj, gRect_rightFieldID);
+ *B = env->GetIntField(obj, gRect_bottomFieldID);
+}
+
+void GraphicsJNI::set_jrect(JNIEnv* env, jobject obj, int L, int T, int R, int B)
+{
+ SkASSERT(env->IsInstanceOf(obj, gRect_class));
+
+ env->SetIntField(obj, gRect_leftFieldID, L);
+ env->SetIntField(obj, gRect_topFieldID, T);
+ env->SetIntField(obj, gRect_rightFieldID, R);
+ env->SetIntField(obj, gRect_bottomFieldID, B);
+}
+
+SkIRect* GraphicsJNI::jrect_to_irect(JNIEnv* env, jobject obj, SkIRect* ir)
+{
+ SkASSERT(env->IsInstanceOf(obj, gRect_class));
+
+ ir->set(env->GetIntField(obj, gRect_leftFieldID),
+ env->GetIntField(obj, gRect_topFieldID),
+ env->GetIntField(obj, gRect_rightFieldID),
+ env->GetIntField(obj, gRect_bottomFieldID));
+ return ir;
+}
+
+void GraphicsJNI::irect_to_jrect(const SkIRect& ir, JNIEnv* env, jobject obj)
+{
+ SkASSERT(env->IsInstanceOf(obj, gRect_class));
+
+ env->SetIntField(obj, gRect_leftFieldID, ir.fLeft);
+ env->SetIntField(obj, gRect_topFieldID, ir.fTop);
+ env->SetIntField(obj, gRect_rightFieldID, ir.fRight);
+ env->SetIntField(obj, gRect_bottomFieldID, ir.fBottom);
+}
+
+SkRect* GraphicsJNI::jrectf_to_rect(JNIEnv* env, jobject obj, SkRect* r)
+{
+ SkASSERT(env->IsInstanceOf(obj, gRectF_class));
+
+ r->set(SkFloatToScalar(env->GetFloatField(obj, gRectF_leftFieldID)),
+ SkFloatToScalar(env->GetFloatField(obj, gRectF_topFieldID)),
+ SkFloatToScalar(env->GetFloatField(obj, gRectF_rightFieldID)),
+ SkFloatToScalar(env->GetFloatField(obj, gRectF_bottomFieldID)));
+ return r;
+}
+
+SkRect* GraphicsJNI::jrect_to_rect(JNIEnv* env, jobject obj, SkRect* r)
+{
+ SkASSERT(env->IsInstanceOf(obj, gRect_class));
+
+ r->set(SkIntToScalar(env->GetIntField(obj, gRect_leftFieldID)),
+ SkIntToScalar(env->GetIntField(obj, gRect_topFieldID)),
+ SkIntToScalar(env->GetIntField(obj, gRect_rightFieldID)),
+ SkIntToScalar(env->GetIntField(obj, gRect_bottomFieldID)));
+ return r;
+}
+
+void GraphicsJNI::rect_to_jrectf(const SkRect& r, JNIEnv* env, jobject obj)
+{
+ SkASSERT(env->IsInstanceOf(obj, gRectF_class));
+
+ env->SetFloatField(obj, gRectF_leftFieldID, SkScalarToFloat(r.fLeft));
+ env->SetFloatField(obj, gRectF_topFieldID, SkScalarToFloat(r.fTop));
+ env->SetFloatField(obj, gRectF_rightFieldID, SkScalarToFloat(r.fRight));
+ env->SetFloatField(obj, gRectF_bottomFieldID, SkScalarToFloat(r.fBottom));
+}
+
+SkIPoint* GraphicsJNI::jpoint_to_ipoint(JNIEnv* env, jobject obj, SkIPoint* point)
+{
+ SkASSERT(env->IsInstanceOf(obj, gPoint_class));
+
+ point->set(env->GetIntField(obj, gPoint_xFieldID),
+ env->GetIntField(obj, gPoint_yFieldID));
+ return point;
+}
+
+void GraphicsJNI::ipoint_to_jpoint(const SkIPoint& ir, JNIEnv* env, jobject obj)
+{
+ SkASSERT(env->IsInstanceOf(obj, gPoint_class));
+
+ env->SetIntField(obj, gPoint_xFieldID, ir.fX);
+ env->SetIntField(obj, gPoint_yFieldID, ir.fY);
+}
+
+SkPoint* GraphicsJNI::jpointf_to_point(JNIEnv* env, jobject obj, SkPoint* point)
+{
+ SkASSERT(env->IsInstanceOf(obj, gPointF_class));
+
+ point->set(SkFloatToScalar(env->GetIntField(obj, gPointF_xFieldID)),
+ SkFloatToScalar(env->GetIntField(obj, gPointF_yFieldID)));
+ return point;
+}
+
+void GraphicsJNI::point_to_jpointf(const SkPoint& r, JNIEnv* env, jobject obj)
+{
+ SkASSERT(env->IsInstanceOf(obj, gPointF_class));
+
+ env->SetFloatField(obj, gPointF_xFieldID, SkScalarToFloat(r.fX));
+ env->SetFloatField(obj, gPointF_yFieldID, SkScalarToFloat(r.fY));
+}
+
+SkBitmap* GraphicsJNI::getNativeBitmap(JNIEnv* env, jobject bitmap) {
+ SkASSERT(env);
+ SkASSERT(bitmap);
+ SkASSERT(env->IsInstanceOf(bitmap, gBitmap_class));
+ SkBitmap* b = (SkBitmap*)env->GetIntField(bitmap, gBitmap_nativeInstanceID);
+ SkASSERT(b);
+ return b;
+}
+
+SkBitmap::Config GraphicsJNI::getNativeBitmapConfig(JNIEnv* env,
+ jobject jconfig) {
+ SkASSERT(env);
+ if (NULL == jconfig) {
+ return SkBitmap::kNo_Config;
+ }
+ SkASSERT(env->IsInstanceOf(jconfig, gBitmapConfig_class));
+ int c = env->GetIntField(jconfig, gBitmapConfig_nativeInstanceID);
+ if (c < 0 || c >= SkBitmap::kConfigCount) {
+ c = SkBitmap::kNo_Config;
+ }
+ return static_cast<SkBitmap::Config>(c);
+}
+
+SkCanvas* GraphicsJNI::getNativeCanvas(JNIEnv* env, jobject canvas) {
+ SkASSERT(env);
+ SkASSERT(canvas);
+ SkASSERT(env->IsInstanceOf(canvas, gCanvas_class));
+ SkCanvas* c = (SkCanvas*)env->GetIntField(canvas, gCanvas_nativeInstanceID);
+ SkASSERT(c);
+ return c;
+}
+
+SkScalar GraphicsJNI::getCanvasDensityScale(JNIEnv* env, jobject canvas) {
+ SkASSERT(env);
+ SkASSERT(canvas);
+ SkASSERT(env->IsInstanceOf(canvas, gCanvas_class));
+ return SkFloatToScalar(env->GetFloatField(canvas, gCanvas_densityScaleID));
+}
+
+SkPaint* GraphicsJNI::getNativePaint(JNIEnv* env, jobject paint) {
+ SkASSERT(env);
+ SkASSERT(paint);
+ SkASSERT(env->IsInstanceOf(paint, gPaint_class));
+ SkPaint* p = (SkPaint*)env->GetIntField(paint, gPaint_nativeInstanceID);
+ SkASSERT(p);
+ return p;
+}
+
+SkPicture* GraphicsJNI::getNativePicture(JNIEnv* env, jobject picture)
+{
+ SkASSERT(env);
+ SkASSERT(picture);
+ SkASSERT(env->IsInstanceOf(picture, gPicture_class));
+ SkPicture* p = (SkPicture*)env->GetIntField(picture, gPicture_nativeInstanceID);
+ SkASSERT(p);
+ return p;
+}
+
+SkRegion* GraphicsJNI::getNativeRegion(JNIEnv* env, jobject region)
+{
+ SkASSERT(env);
+ SkASSERT(region);
+ SkASSERT(env->IsInstanceOf(region, gRegion_class));
+ SkRegion* r = (SkRegion*)env->GetIntField(region, gRegion_nativeInstanceID);
+ SkASSERT(r);
+ return r;
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////
+
+jobject GraphicsJNI::createBitmap(JNIEnv* env, SkBitmap* bitmap, bool isMutable,
+ jbyteArray ninepatch)
+{
+ SkASSERT(bitmap != NULL);
+ SkASSERT(NULL != bitmap->pixelRef());
+
+ jobject obj = env->AllocObject(gBitmap_class);
+ if (obj) {
+ env->CallVoidMethod(obj, gBitmap_constructorMethodID,
+ (jint)bitmap, isMutable, ninepatch);
+ if (hasException(env)) {
+ obj = NULL;
+ }
+ }
+ return obj;
+}
+
+jobject GraphicsJNI::createRegion(JNIEnv* env, SkRegion* region)
+{
+ SkASSERT(region != NULL);
+ jobject obj = env->AllocObject(gRegion_class);
+ if (obj) {
+ env->CallVoidMethod(obj, gRegion_constructorMethodID, (jint)region, 0);
+ if (hasException(env)) {
+ obj = NULL;
+ }
+ }
+ return obj;
+}
+
+#include "SkPixelRef.h"
+
+static JNIEnv* vm2env(JavaVM* vm)
+{
+ JNIEnv* env = NULL;
+ if (vm->GetEnv((void**)&env, JNI_VERSION_1_4) != JNI_OK || NULL == env)
+ {
+ SkDebugf("------- [%p] vm->GetEnv() failed\n", vm);
+ sk_throw();
+ }
+ return env;
+}
+
+#ifdef TRACK_LOCK_COUNT
+ static int gLockCount;
+#endif
+
+///////////////////////////////////////////////////////////////////////////////
+
+#include "SkMallocPixelRef.h"
+
+/* Extend SkMallocPixelRef to inform the VM when we free up the storage
+*/
+class AndroidPixelRef : public SkMallocPixelRef {
+public:
+ /** Allocate the specified buffer for pixels. The memory is freed when the
+ last owner of this pixelref is gone. Our caller has already informed
+ the VM of our allocation.
+ */
+ AndroidPixelRef(JNIEnv* env, void* storage, size_t size,
+ SkColorTable* ctable) : SkMallocPixelRef(storage, size, ctable) {
+ SkASSERT(storage);
+ SkASSERT(env);
+
+ if (env->GetJavaVM(&fVM) != JNI_OK) {
+ SkDebugf("------ [%p] env->GetJavaVM failed\n", env);
+ sk_throw();
+ }
+ }
+
+ virtual ~AndroidPixelRef() {
+ JNIEnv* env = vm2env(fVM);
+// SkDebugf("-------------- inform VM we're releasing %d bytes\n", this->getSize());
+ jlong jsize = this->getSize(); // the VM wants longs for the size
+ env->CallVoidMethod(gVMRuntime_singleton,
+ gVMRuntime_trackExternalFreeMethodID,
+ jsize);
+ if (GraphicsJNI::hasException(env)) {
+ env->ExceptionClear();
+ }
+ }
+
+private:
+ JavaVM* fVM;
+};
+
+bool GraphicsJNI::setJavaPixelRef(JNIEnv* env, SkBitmap* bitmap,
+ SkColorTable* ctable) {
+ Sk64 size64 = bitmap->getSize64();
+ if (size64.isNeg() || !size64.is32()) {
+ doThrow(env, "java/lang/IllegalArgumentException",
+ "bitmap size exceeds 32bits");
+ return false;
+ }
+
+ size_t size = size64.get32();
+ // SkDebugf("-------------- inform VM we've allocated %d bytes\n", size);
+ jlong jsize = size; // the VM wants longs for the size
+ bool r = env->CallBooleanMethod(gVMRuntime_singleton,
+ gVMRuntime_trackExternalAllocationMethodID,
+ jsize);
+ if (GraphicsJNI::hasException(env)) {
+ return false;
+ }
+ if (!r) {
+ LOGE("VM won't let us allocate %zd bytes\n", size);
+ doThrowOOME(env, "bitmap size exceeds VM budget");
+ return false;
+ }
+
+ // call the version of malloc that returns null on failure
+ void* addr = sk_malloc_flags(size, 0);
+ if (NULL == addr) {
+ // SkDebugf("-------------- inform VM we're releasing %d bytes which we couldn't allocate\n", size);
+ // we didn't actually allocate it, so inform the VM
+ env->CallVoidMethod(gVMRuntime_singleton,
+ gVMRuntime_trackExternalFreeMethodID,
+ jsize);
+ if (!GraphicsJNI::hasException(env)) {
+ doThrowOOME(env, "bitmap size too large for malloc");
+ }
+ return false;
+ }
+
+ bitmap->setPixelRef(new AndroidPixelRef(env, addr, size, ctable))->unref();
+ // since we're already allocated, we lockPixels right away
+ // HeapAllocator behaves this way too
+ bitmap->lockPixels();
+ return true;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+JavaPixelAllocator::JavaPixelAllocator(JNIEnv* env) : fEnv(env)
+{
+}
+
+bool JavaPixelAllocator::allocPixelRef(SkBitmap* bitmap, SkColorTable* ctable) {
+ return GraphicsJNI::setJavaPixelRef(fEnv, bitmap, ctable);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+static jclass make_globalref(JNIEnv* env, const char classname[])
+{
+ jclass c = env->FindClass(classname);
+ SkASSERT(c);
+ return (jclass)env->NewGlobalRef(c);
+}
+
+static jfieldID getFieldIDCheck(JNIEnv* env, jclass clazz,
+ const char fieldname[], const char type[])
+{
+ jfieldID id = env->GetFieldID(clazz, fieldname, type);
+ SkASSERT(id);
+ return id;
+}
+
+int register_android_graphics_Graphics(JNIEnv* env)
+{
+ jmethodID m;
+ jclass c;
+
+ gRect_class = make_globalref(env, "android/graphics/Rect");
+ gRect_leftFieldID = getFieldIDCheck(env, gRect_class, "left", "I");
+ gRect_topFieldID = getFieldIDCheck(env, gRect_class, "top", "I");
+ gRect_rightFieldID = getFieldIDCheck(env, gRect_class, "right", "I");
+ gRect_bottomFieldID = getFieldIDCheck(env, gRect_class, "bottom", "I");
+
+ gRectF_class = make_globalref(env, "android/graphics/RectF");
+ gRectF_leftFieldID = getFieldIDCheck(env, gRectF_class, "left", "F");
+ gRectF_topFieldID = getFieldIDCheck(env, gRectF_class, "top", "F");
+ gRectF_rightFieldID = getFieldIDCheck(env, gRectF_class, "right", "F");
+ gRectF_bottomFieldID = getFieldIDCheck(env, gRectF_class, "bottom", "F");
+
+ gPoint_class = make_globalref(env, "android/graphics/Point");
+ gPoint_xFieldID = getFieldIDCheck(env, gPoint_class, "x", "I");
+ gPoint_yFieldID = getFieldIDCheck(env, gPoint_class, "y", "I");
+
+ gPointF_class = make_globalref(env, "android/graphics/PointF");
+ gPointF_xFieldID = getFieldIDCheck(env, gPointF_class, "x", "F");
+ gPointF_yFieldID = getFieldIDCheck(env, gPointF_class, "y", "F");
+
+ gBitmap_class = make_globalref(env, "android/graphics/Bitmap");
+ gBitmap_nativeInstanceID = getFieldIDCheck(env, gBitmap_class, "mNativeBitmap", "I");
+ gBitmap_constructorMethodID = env->GetMethodID(gBitmap_class, "<init>",
+ "(IZ[B)V");
+
+ gBitmapConfig_class = make_globalref(env, "android/graphics/Bitmap$Config");
+ gBitmapConfig_nativeInstanceID = getFieldIDCheck(env, gBitmapConfig_class,
+ "nativeInt", "I");
+
+ gCanvas_class = make_globalref(env, "android/graphics/Canvas");
+ gCanvas_nativeInstanceID = getFieldIDCheck(env, gCanvas_class, "mNativeCanvas", "I");
+ gCanvas_densityScaleID = getFieldIDCheck(env, gCanvas_class, "mDensityScale", "F");
+
+ gPaint_class = make_globalref(env, "android/graphics/Paint");
+ gPaint_nativeInstanceID = getFieldIDCheck(env, gPaint_class, "mNativePaint", "I");
+
+ gPicture_class = make_globalref(env, "android/graphics/Picture");
+ gPicture_nativeInstanceID = getFieldIDCheck(env, gPicture_class, "mNativePicture", "I");
+
+ gRegion_class = make_globalref(env, "android/graphics/Region");
+ gRegion_nativeInstanceID = getFieldIDCheck(env, gRegion_class, "mNativeRegion", "I");
+ gRegion_constructorMethodID = env->GetMethodID(gRegion_class, "<init>",
+ "(II)V");
+
+ // Get the VMRuntime class.
+ c = env->FindClass("dalvik/system/VMRuntime");
+ SkASSERT(c);
+ // Look up VMRuntime.getRuntime().
+ m = env->GetStaticMethodID(c, "getRuntime", "()Ldalvik/system/VMRuntime;");
+ SkASSERT(m);
+ // Call VMRuntime.getRuntime() and hold onto its result.
+ gVMRuntime_singleton = env->CallStaticObjectMethod(c, m);
+ SkASSERT(gVMRuntime_singleton);
+ gVMRuntime_singleton = (jobject)env->NewGlobalRef(gVMRuntime_singleton);
+ // Look up the VMRuntime methods we'll be using.
+ gVMRuntime_trackExternalAllocationMethodID =
+ env->GetMethodID(c, "trackExternalAllocation", "(J)Z");
+ gVMRuntime_trackExternalFreeMethodID =
+ env->GetMethodID(c, "trackExternalFree", "(J)V");
+
+ NIOBuffer::RegisterJNI(env);
+
+ return 0;
+}
+