blob: 5cc2b9548f18374921bb8b779b6fe90e4ca74d29 [file] [log] [blame]
#define LOG_TAG "GraphicsJNI"
#include "jni.h"
#include "JNIHelp.h"
#include "GraphicsJNI.h"
#include "SkCanvas.h"
#include "SkDevice.h"
#include "SkMath.h"
#include "SkPicture.h"
#include "SkRegion.h"
#include <android_runtime/AndroidRuntime.h>
void doThrowNPE(JNIEnv* env) {
jniThrowNullPointerException(env, NULL);
}
void doThrowAIOOBE(JNIEnv* env) {
jniThrowException(env, "java/lang/ArrayIndexOutOfBoundsException", NULL);
}
void doThrowRE(JNIEnv* env, const char* msg) {
jniThrowRuntimeException(env, msg);
}
void doThrowIAE(JNIEnv* env, const char* msg) {
jniThrowException(env, "java/lang/IllegalArgumentException", msg);
}
void doThrowISE(JNIEnv* env, const char* msg) {
jniThrowException(env, "java/lang/IllegalStateException", msg);
}
void doThrowOOME(JNIEnv* env, const char* msg) {
jniThrowException(env, "java/lang/OutOfMemoryError", msg);
}
void doThrowIOE(JNIEnv* env, const char* msg) {
jniThrowException(env, "java/io/IOException", msg);
}
bool GraphicsJNI::hasException(JNIEnv *env) {
if (env->ExceptionCheck() != 0) {
ALOGE("*** Uncaught exception returned from Java call!\n");
env->ExceptionDescribe();
return true;
}
return false;
}
///////////////////////////////////////////////////////////////////////////////
AutoJavaFloatArray::AutoJavaFloatArray(JNIEnv* env, jfloatArray array,
int minLength, JNIAccess access)
: 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);
}
fReleaseMode = (access == kRO_JNIAccess) ? JNI_ABORT : 0;
}
AutoJavaFloatArray::~AutoJavaFloatArray() {
if (fPtr) {
fEnv->ReleaseFloatArrayElements(fArray, fPtr, fReleaseMode);
}
}
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, JNIAccess access)
: 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);
}
fReleaseMode = (access == kRO_JNIAccess) ? JNI_ABORT : 0;
}
AutoJavaShortArray::~AutoJavaShortArray() {
if (fPtr) {
fEnv->ReleaseShortArrayElements(fArray, fPtr, fReleaseMode);
}
}
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_reinitMethodID;
static jmethodID gBitmap_getAllocationByteCountMethodID;
static jclass gBitmapConfig_class;
static jfieldID gBitmapConfig_nativeInstanceID;
static jclass gBitmapRegionDecoder_class;
static jmethodID gBitmapRegionDecoder_constructorMethodID;
static jclass gCanvas_class;
static jfieldID gCanvas_nativeInstanceID;
static jclass gPaint_class;
static jfieldID gPaint_nativeInstanceID;
static jfieldID gPaint_nativeTypefaceID;
static jclass gPicture_class;
static jfieldID gPicture_nativeInstanceID;
static jclass gRegion_class;
static jfieldID gRegion_nativeInstanceID;
static jmethodID gRegion_constructorMethodID;
static jclass gByte_class;
static jobject gVMRuntime;
static jclass gVMRuntime_class;
static jmethodID gVMRuntime_newNonMovableArray;
static jmethodID gVMRuntime_addressOf;
///////////////////////////////////////////////////////////////////////////////
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(env->GetFloatField(obj, gRectF_leftFieldID),
env->GetFloatField(obj, gRectF_topFieldID),
env->GetFloatField(obj, gRectF_rightFieldID),
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(env->GetIntField(obj, gPointF_xFieldID),
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));
}
// This enum must keep these int values, to match the int values
// in the java Bitmap.Config enum.
enum LegacyBitmapConfig {
kNo_LegacyBitmapConfig = 0,
kA8_LegacyBitmapConfig = 1,
kIndex8_LegacyBitmapConfig = 2,
kRGB_565_LegacyBitmapConfig = 3,
kARGB_4444_LegacyBitmapConfig = 4,
kARGB_8888_LegacyBitmapConfig = 5,
kLastEnum_LegacyBitmapConfig = kARGB_8888_LegacyBitmapConfig
};
jint GraphicsJNI::colorTypeToLegacyBitmapConfig(SkColorType colorType) {
switch (colorType) {
case kN32_SkColorType:
return kARGB_8888_LegacyBitmapConfig;
case kARGB_4444_SkColorType:
return kARGB_4444_LegacyBitmapConfig;
case kRGB_565_SkColorType:
return kRGB_565_LegacyBitmapConfig;
case kIndex_8_SkColorType:
return kIndex8_LegacyBitmapConfig;
case kAlpha_8_SkColorType:
return kA8_LegacyBitmapConfig;
case kUnknown_SkColorType:
default:
break;
}
return kNo_LegacyBitmapConfig;
}
SkColorType GraphicsJNI::legacyBitmapConfigToColorType(jint legacyConfig) {
const uint8_t gConfig2ColorType[] = {
kUnknown_SkColorType,
kAlpha_8_SkColorType,
kIndex_8_SkColorType,
kRGB_565_SkColorType,
kARGB_4444_SkColorType,
kN32_SkColorType
};
if (legacyConfig < 0 || legacyConfig > kLastEnum_LegacyBitmapConfig) {
legacyConfig = kNo_LegacyBitmapConfig;
}
return static_cast<SkColorType>(gConfig2ColorType[legacyConfig]);
}
SkBitmap* GraphicsJNI::getNativeBitmap(JNIEnv* env, jobject bitmap) {
SkASSERT(env);
SkASSERT(bitmap);
SkASSERT(env->IsInstanceOf(bitmap, gBitmap_class));
jlong bitmapHandle = env->GetLongField(bitmap, gBitmap_nativeInstanceID);
SkBitmap* b = reinterpret_cast<SkBitmap*>(bitmapHandle);
SkASSERT(b);
return b;
}
SkColorType GraphicsJNI::getNativeBitmapColorType(JNIEnv* env, jobject jconfig) {
SkASSERT(env);
if (NULL == jconfig) {
return kUnknown_SkColorType;
}
SkASSERT(env->IsInstanceOf(jconfig, gBitmapConfig_class));
int c = env->GetIntField(jconfig, gBitmapConfig_nativeInstanceID);
return legacyBitmapConfigToColorType(c);
}
SkCanvas* GraphicsJNI::getNativeCanvas(JNIEnv* env, jobject canvas) {
SkASSERT(env);
SkASSERT(canvas);
SkASSERT(env->IsInstanceOf(canvas, gCanvas_class));
jlong canvasHandle = env->GetLongField(canvas, gCanvas_nativeInstanceID);
SkCanvas* c = getNativeCanvas(canvasHandle);
SkASSERT(c);
return c;
}
SkPaint* GraphicsJNI::getNativePaint(JNIEnv* env, jobject paint) {
SkASSERT(env);
SkASSERT(paint);
SkASSERT(env->IsInstanceOf(paint, gPaint_class));
jlong paintHandle = env->GetLongField(paint, gPaint_nativeInstanceID);
SkPaint* p = reinterpret_cast<SkPaint*>(paintHandle);
SkASSERT(p);
return p;
}
android::TypefaceImpl* GraphicsJNI::getNativeTypeface(JNIEnv* env, jobject paint) {
SkASSERT(env);
SkASSERT(paint);
SkASSERT(env->IsInstanceOf(paint, gPaint_class));
jlong typefaceHandle = env->GetLongField(paint, gPaint_nativeTypefaceID);
android::TypefaceImpl* p = reinterpret_cast<android::TypefaceImpl*>(typefaceHandle);
SkASSERT(p);
return p;
}
SkRegion* GraphicsJNI::getNativeRegion(JNIEnv* env, jobject region)
{
SkASSERT(env);
SkASSERT(region);
SkASSERT(env->IsInstanceOf(region, gRegion_class));
jlong regionHandle = env->GetLongField(region, gRegion_nativeInstanceID);
SkRegion* r = reinterpret_cast<SkRegion*>(regionHandle);
SkASSERT(r);
return r;
}
///////////////////////////////////////////////////////////////////////////////////////////
// Assert that bitmap's SkAlphaType is consistent with isPremultiplied.
static void assert_premultiplied(const SkBitmap& bitmap, bool isPremultiplied) {
// kOpaque_SkAlphaType and kIgnore_SkAlphaType mean that isPremultiplied is
// irrelevant. This just tests to ensure that the SkAlphaType is not
// opposite of isPremultiplied.
if (isPremultiplied) {
SkASSERT(bitmap.alphaType() != kUnpremul_SkAlphaType);
} else {
SkASSERT(bitmap.alphaType() != kPremul_SkAlphaType);
}
}
jobject GraphicsJNI::createBitmap(JNIEnv* env, SkBitmap* bitmap, jbyteArray buffer,
int bitmapCreateFlags, jbyteArray ninePatchChunk, jobject ninePatchInsets, int density)
{
SkASSERT(bitmap);
SkASSERT(bitmap->pixelRef());
bool isMutable = bitmapCreateFlags & kBitmapCreateFlag_Mutable;
bool isPremultiplied = bitmapCreateFlags & kBitmapCreateFlag_Premultiplied;
// The caller needs to have already set the alpha type properly, so the
// native SkBitmap stays in sync with the Java Bitmap.
assert_premultiplied(*bitmap, isPremultiplied);
jobject obj = env->NewObject(gBitmap_class, gBitmap_constructorMethodID,
reinterpret_cast<jlong>(bitmap), buffer,
bitmap->width(), bitmap->height(), density, isMutable, isPremultiplied,
ninePatchChunk, ninePatchInsets);
hasException(env); // For the side effect of logging.
return obj;
}
void GraphicsJNI::reinitBitmap(JNIEnv* env, jobject javaBitmap, SkBitmap* bitmap,
bool isPremultiplied)
{
// The caller needs to have already set the alpha type properly, so the
// native SkBitmap stays in sync with the Java Bitmap.
assert_premultiplied(*bitmap, isPremultiplied);
env->CallVoidMethod(javaBitmap, gBitmap_reinitMethodID,
bitmap->width(), bitmap->height(), isPremultiplied);
}
int GraphicsJNI::getBitmapAllocationByteCount(JNIEnv* env, jobject javaBitmap)
{
return env->CallIntMethod(javaBitmap, gBitmap_getAllocationByteCountMethodID);
}
jobject GraphicsJNI::createBitmapRegionDecoder(JNIEnv* env, SkBitmapRegionDecoder* bitmap)
{
SkASSERT(bitmap != NULL);
jobject obj = env->NewObject(gBitmapRegionDecoder_class,
gBitmapRegionDecoder_constructorMethodID,
reinterpret_cast<jlong>(bitmap));
hasException(env); // For the side effect of logging.
return obj;
}
jobject GraphicsJNI::createRegion(JNIEnv* env, SkRegion* region)
{
SkASSERT(region != NULL);
jobject obj = env->NewObject(gRegion_class, gRegion_constructorMethodID,
reinterpret_cast<jlong>(region), 0);
hasException(env); // For the side effect of logging.
return obj;
}
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;
}
///////////////////////////////////////////////////////////////////////////////
AndroidPixelRef::AndroidPixelRef(JNIEnv* env, const SkImageInfo& info, void* storage,
size_t rowBytes, jbyteArray storageObj, SkColorTable* ctable) :
SkMallocPixelRef(info, storage, rowBytes, ctable, (storageObj == NULL)),
fWrappedPixelRef(NULL) {
SkASSERT(storage);
SkASSERT(env);
if (env->GetJavaVM(&fVM) != JNI_OK) {
SkDebugf("------ [%p] env->GetJavaVM failed\n", env);
sk_throw();
}
fStorageObj = storageObj;
fHasGlobalRef = false;
fGlobalRefCnt = 0;
// If storageObj is NULL, the memory was NOT allocated on the Java heap
fOnJavaHeap = (storageObj != NULL);
}
AndroidPixelRef::AndroidPixelRef(AndroidPixelRef& wrappedPixelRef, const SkImageInfo& info,
size_t rowBytes, SkColorTable* ctable) :
SkMallocPixelRef(info, wrappedPixelRef.getAddr(), rowBytes, ctable, false),
fWrappedPixelRef(wrappedPixelRef.fWrappedPixelRef ?
wrappedPixelRef.fWrappedPixelRef : &wrappedPixelRef)
{
SkASSERT(fWrappedPixelRef);
SkSafeRef(fWrappedPixelRef);
// don't need to initialize these, as all the relevant logic delegates to the wrapped ref
fStorageObj = NULL;
fHasGlobalRef = false;
fGlobalRefCnt = 0;
fOnJavaHeap = false;
}
AndroidPixelRef::~AndroidPixelRef() {
if (fWrappedPixelRef) {
SkSafeUnref(fWrappedPixelRef);
} else if (fOnJavaHeap) {
JNIEnv* env = vm2env(fVM);
if (fStorageObj && fHasGlobalRef) {
env->DeleteGlobalRef(fStorageObj);
}
fStorageObj = NULL;
}
}
jbyteArray AndroidPixelRef::getStorageObj() {
if (fWrappedPixelRef) {
return fWrappedPixelRef->fStorageObj;
}
return fStorageObj;
}
void AndroidPixelRef::setLocalJNIRef(jbyteArray arr) {
if (fWrappedPixelRef) {
// delegate java obj management to the wrapped ref
fWrappedPixelRef->setLocalJNIRef(arr);
} else if (!fHasGlobalRef) {
fStorageObj = arr;
}
}
void AndroidPixelRef::globalRef(void* localref) {
if (fWrappedPixelRef) {
// delegate java obj management to the wrapped ref
fWrappedPixelRef->globalRef(localref);
// Note: we only ref and unref the wrapped AndroidPixelRef so that
// bitmap->pixelRef()->globalRef() and globalUnref() can be used in a pair, even if
// the bitmap has its underlying AndroidPixelRef swapped out/wrapped
return;
}
if (fOnJavaHeap && sk_atomic_inc(&fGlobalRefCnt) == 0) {
JNIEnv *env = vm2env(fVM);
// If JNI ref was passed, it is always used
if (localref) fStorageObj = (jbyteArray) localref;
if (fStorageObj == NULL) {
SkDebugf("No valid local ref to create a JNI global ref\n");
sk_throw();
}
if (fHasGlobalRef) {
// This should never happen
SkDebugf("Already holding a JNI global ref");
sk_throw();
}
fStorageObj = (jbyteArray) env->NewGlobalRef(fStorageObj);
// TODO: Check for failure here
fHasGlobalRef = true;
}
ref();
}
void AndroidPixelRef::globalUnref() {
if (fWrappedPixelRef) {
// delegate java obj management to the wrapped ref
fWrappedPixelRef->globalUnref();
return;
}
if (fOnJavaHeap && sk_atomic_dec(&fGlobalRefCnt) == 1) {
JNIEnv *env = vm2env(fVM);
if (!fHasGlobalRef) {
SkDebugf("We don't have a global ref!");
sk_throw();
}
env->DeleteGlobalRef(fStorageObj);
fStorageObj = NULL;
fHasGlobalRef = false;
}
unref();
}
///////////////////////////////////////////////////////////////////////////////
jbyteArray GraphicsJNI::allocateJavaPixelRef(JNIEnv* env, SkBitmap* bitmap,
SkColorTable* ctable) {
const SkImageInfo& info = bitmap->info();
if (info.fColorType == kUnknown_SkColorType) {
doThrowIAE(env, "unknown bitmap configuration");
return NULL;
}
const size_t size = bitmap->getSize();
jbyteArray arrayObj = (jbyteArray) env->CallObjectMethod(gVMRuntime,
gVMRuntime_newNonMovableArray,
gByte_class, size);
if (env->ExceptionCheck() != 0) {
return NULL;
}
SkASSERT(arrayObj);
jbyte* addr = (jbyte*) env->CallLongMethod(gVMRuntime, gVMRuntime_addressOf, arrayObj);
if (env->ExceptionCheck() != 0) {
return NULL;
}
SkASSERT(addr);
SkPixelRef* pr = new AndroidPixelRef(env, info, (void*) addr,
bitmap->rowBytes(), arrayObj, ctable);
bitmap->setPixelRef(pr)->unref();
// since we're already allocated, we lockPixels right away
// HeapAllocator behaves this way too
bitmap->lockPixels();
return arrayObj;
}
///////////////////////////////////////////////////////////////////////////////
JavaPixelAllocator::JavaPixelAllocator(JNIEnv* env)
: fStorageObj(NULL),
fAllocCount(0) {
if (env->GetJavaVM(&fVM) != JNI_OK) {
SkDebugf("------ [%p] env->GetJavaVM failed\n", env);
sk_throw();
}
}
bool JavaPixelAllocator::allocPixelRef(SkBitmap* bitmap, SkColorTable* ctable) {
JNIEnv* env = vm2env(fVM);
fStorageObj = GraphicsJNI::allocateJavaPixelRef(env, bitmap, ctable);
fAllocCount += 1;
return fStorageObj != NULL;
}
////////////////////////////////////////////////////////////////////////////////
JavaHeapBitmapRef::JavaHeapBitmapRef(JNIEnv* env, SkBitmap* nativeBitmap, jbyteArray buffer) {
fEnv = env;
fNativeBitmap = nativeBitmap;
fBuffer = buffer;
// If the buffer is NULL, the backing memory wasn't allocated on the Java heap
if (fBuffer) {
((AndroidPixelRef*) fNativeBitmap->pixelRef())->setLocalJNIRef(fBuffer);
}
}
JavaHeapBitmapRef::~JavaHeapBitmapRef() {
if (fBuffer) {
((AndroidPixelRef*) fNativeBitmap->pixelRef())->setLocalJNIRef(NULL);
}
}
////////////////////////////////////////////////////////////////////////////////
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", "J");
gBitmap_constructorMethodID = env->GetMethodID(gBitmap_class, "<init>", "(J[BIIIZZ[BLandroid/graphics/NinePatch$InsetStruct;)V");
gBitmap_reinitMethodID = env->GetMethodID(gBitmap_class, "reinit", "(IIZ)V");
gBitmap_getAllocationByteCountMethodID = env->GetMethodID(gBitmap_class, "getAllocationByteCount", "()I");
gBitmapRegionDecoder_class = make_globalref(env, "android/graphics/BitmapRegionDecoder");
gBitmapRegionDecoder_constructorMethodID = env->GetMethodID(gBitmapRegionDecoder_class, "<init>", "(J)V");
gBitmapConfig_class = make_globalref(env, "android/graphics/Bitmap$Config");
gBitmapConfig_nativeInstanceID = getFieldIDCheck(env, gBitmapConfig_class,
"nativeInt", "I");
gCanvas_class = make_globalref(env, "android/graphics/Canvas");
gCanvas_nativeInstanceID = getFieldIDCheck(env, gCanvas_class, "mNativeCanvasWrapper", "J");
gPaint_class = make_globalref(env, "android/graphics/Paint");
gPaint_nativeInstanceID = getFieldIDCheck(env, gPaint_class, "mNativePaint", "J");
gPaint_nativeTypefaceID = getFieldIDCheck(env, gPaint_class, "mNativeTypeface", "J");
gPicture_class = make_globalref(env, "android/graphics/Picture");
gPicture_nativeInstanceID = getFieldIDCheck(env, gPicture_class, "mNativePicture", "J");
gRegion_class = make_globalref(env, "android/graphics/Region");
gRegion_nativeInstanceID = getFieldIDCheck(env, gRegion_class, "mNativeRegion", "J");
gRegion_constructorMethodID = env->GetMethodID(gRegion_class, "<init>",
"(JI)V");
c = env->FindClass("java/lang/Byte");
gByte_class = (jclass) env->NewGlobalRef(
env->GetStaticObjectField(c, env->GetStaticFieldID(c, "TYPE", "Ljava/lang/Class;")));
gVMRuntime_class = make_globalref(env, "dalvik/system/VMRuntime");
m = env->GetStaticMethodID(gVMRuntime_class, "getRuntime", "()Ldalvik/system/VMRuntime;");
gVMRuntime = env->NewGlobalRef(env->CallStaticObjectMethod(gVMRuntime_class, m));
gVMRuntime_newNonMovableArray = env->GetMethodID(gVMRuntime_class, "newNonMovableArray",
"(Ljava/lang/Class;I)Ljava/lang/Object;");
gVMRuntime_addressOf = env->GetMethodID(gVMRuntime_class, "addressOf", "(Ljava/lang/Object;)J");
return 0;
}