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Commit c1b33d66 authored by John Reck's avatar John Reck
Browse files

GraphicsJNI Canvas cleanup 

Change-Id: I72e142986a8bc9f464c1951b6b5187919de3462e
parent bb2979d6

core/jni/android/graphics/Graphics.cpp

+2 −4
Original line number Diff line number Diff line
@@ -358,7 +358,7 @@ SkColorType GraphicsJNI::getNativeBitmapColorType(JNIEnv* env, jobject jconfig) 
    return legacyBitmapConfigToColorType(c);

}



SkCanvas* GraphicsJNI::getNativeCanvas(JNIEnv* env, jobject canvas) {

android::Canvas* GraphicsJNI::getNativeCanvas(JNIEnv* env, jobject canvas) {

    SkASSERT(env);

    SkASSERT(canvas);

    SkASSERT(env->IsInstanceOf(canvas, gCanvas_class));
@@ -366,9 +366,7 @@ SkCanvas* GraphicsJNI::getNativeCanvas(JNIEnv* env, jobject canvas) { 
    if (!canvasHandle) {

        return NULL;

    }

    SkCanvas* c = reinterpret_cast<android::Canvas*>(canvasHandle)->asSkCanvas();

    SkASSERT(c);

    return c;

    return reinterpret_cast<android::Canvas*>(canvasHandle);

}



SkRegion* GraphicsJNI::getNativeRegion(JNIEnv* env, jobject region)

core/jni/android/graphics/GraphicsJNI.h

+2 −1
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 
#include "SkPoint.h"

#include "SkRect.h"

#include "SkImageDecoder.h"

#include <Canvas.h>

#include <jni.h>



class SkBitmapRegionDecoder;
@@ -47,7 +48,7 @@ public: 
    static SkPoint* jpointf_to_point(JNIEnv*, jobject jpointf, SkPoint* point);

    static void point_to_jpointf(const SkPoint& point, JNIEnv*, jobject jpointf);



    static SkCanvas* getNativeCanvas(JNIEnv*, jobject canvas);

    static android::Canvas* getNativeCanvas(JNIEnv*, jobject canvas);

    static SkBitmap* getSkBitmap(JNIEnv*, jobject bitmap);

    static SkRegion* getNativeRegion(JNIEnv*, jobject region);

core/jni/android_graphics_Canvas.cpp

+15 −9
Original line number Diff line number Diff line
@@ -39,17 +39,23 @@ static void finalizer(JNIEnv* env, jobject clazz, jlong canvasHandle) { 
}



// Native wrapper constructor used by Canvas(Bitmap)

static jlong initRaster(JNIEnv* env, jobject, jlong bitmapHandle) {

    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle);

    return reinterpret_cast<jlong>(Canvas::create_canvas(bitmap));

static jlong initRaster(JNIEnv* env, jobject, jobject jbitmap) {

    SkBitmap* bitmap = nullptr;

    if (jbitmap != NULL) {

        bitmap = GraphicsJNI::getSkBitmap(env, jbitmap);

    }

    return reinterpret_cast<jlong>(Canvas::create_canvas(

            bitmap ? *bitmap : SkBitmap()));

}



// Set the given bitmap as the new draw target (wrapped in a new SkCanvas),

// optionally copying canvas matrix & clip state.

static void setBitmap(JNIEnv* env, jobject, jlong canvasHandle, jlong bitmapHandle,

                      jboolean copyState) {

    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle);

    get_canvas(canvasHandle)->setBitmap(bitmap, copyState);

static void setBitmap(JNIEnv* env, jobject, jlong canvasHandle, jobject jbitmap) {

    SkBitmap* bitmap = nullptr;

    if (jbitmap != NULL) {

        bitmap = GraphicsJNI::getSkBitmap(env, jbitmap);

    }

    get_canvas(canvasHandle)->setBitmap(bitmap ? *bitmap : SkBitmap());

}



static jboolean isOpaque(JNIEnv*, jobject, jlong canvasHandle) {
@@ -658,8 +664,8 @@ static void freeTextLayoutCaches(JNIEnv* env, jobject) { 


static JNINativeMethod gMethods[] = {

    {"finalizer", "(J)V", (void*) CanvasJNI::finalizer},

    {"initRaster", "(J)J", (void*) CanvasJNI::initRaster},

    {"native_setBitmap", "(JJZ)V", (void*) CanvasJNI::setBitmap},

    {"initRaster", "(Landroid/graphics/Bitmap;)J", (void*) CanvasJNI::initRaster},

    {"native_setBitmap", "(JLandroid/graphics/Bitmap;)V", (void*) CanvasJNI::setBitmap},

    {"native_isOpaque","(J)Z", (void*) CanvasJNI::isOpaque},

    {"native_getWidth","(J)I", (void*) CanvasJNI::getWidth},

    {"native_getHeight","(J)I", (void*) CanvasJNI::getHeight},

core/jni/android_view_GraphicBuffer.cpp

+5 −17
Original line number Diff line number Diff line
@@ -67,11 +67,6 @@ static struct { 
    jfieldID bottom;

} gRectClassInfo;



static struct {

    jfieldID mSurfaceFormat;

    jmethodID setNativeBitmap;

} gCanvasClassInfo;



#define GET_INT(object, field) \

    env->GetIntField(object, field)
@@ -196,13 +191,9 @@ static jboolean android_view_GraphicBuffer_lockCanvas(JNIEnv* env, jobject, 
        bitmap.setPixels(NULL);

    }



    SET_INT(canvas, gCanvasClassInfo.mSurfaceFormat, buffer->getPixelFormat());

    INVOKEV(canvas, gCanvasClassInfo.setNativeBitmap, reinterpret_cast<jlong>(&bitmap));



    SkRect clipRect;

    clipRect.set(rect.left, rect.top, rect.right, rect.bottom);

    SkCanvas* nativeCanvas = GraphicsJNI::getNativeCanvas(env, canvas);

    nativeCanvas->clipRect(clipRect);

    Canvas* nativeCanvas = GraphicsJNI::getNativeCanvas(env, canvas);

    nativeCanvas->setBitmap(bitmap);

    nativeCanvas->clipRect(rect.left, rect.top, rect.right, rect.bottom);



    if (dirtyRect) {

        INVOKEV(dirtyRect, gRectClassInfo.set,
@@ -217,7 +208,8 @@ static jboolean android_view_GraphicBuffer_unlockCanvasAndPost(JNIEnv* env, jobj 


    GraphicBufferWrapper* wrapper =

                reinterpret_cast<GraphicBufferWrapper*>(wrapperHandle);

    INVOKEV(canvas, gCanvasClassInfo.setNativeBitmap, (jlong)0);

    Canvas* nativeCanvas = GraphicsJNI::getNativeCanvas(env, canvas);

    nativeCanvas->setBitmap(SkBitmap());



    if (wrapper) {

        status_t status = wrapper->buffer->unlock();
@@ -302,10 +294,6 @@ int register_android_view_GraphicBuffer(JNIEnv* env) { 
    gRectClassInfo.right = GetFieldIDOrDie(env, clazz, "right", "I");

    gRectClassInfo.bottom = GetFieldIDOrDie(env, clazz, "bottom", "I");



    clazz = FindClassOrDie(env, "android/graphics/Canvas");

    gCanvasClassInfo.mSurfaceFormat = GetFieldIDOrDie(env, clazz, "mSurfaceFormat", "I");

    gCanvasClassInfo.setNativeBitmap = GetMethodIDOrDie(env, clazz, "setNativeBitmap", "(J)V");



    return RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods));

}

core/jni/android_view_Surface.cpp

+6 −17
Original line number Diff line number Diff line
@@ -73,11 +73,6 @@ static struct { 
    jfieldID bottom;

} gRectClassInfo;



static struct {

    jfieldID mSurfaceFormat;

    jmethodID setNativeBitmap;

} gCanvasClassInfo;



// ----------------------------------------------------------------------------



// this is just a pointer we use to pass to inc/decStrong
@@ -318,9 +313,6 @@ static jlong nativeLockCanvas(JNIEnv* env, jclass clazz, 
        return 0;

    }



    // Associate a SkCanvas object to this surface

    env->SetIntField(canvasObj, gCanvasClassInfo.mSurfaceFormat, outBuffer.format);



    SkImageInfo info = SkImageInfo::Make(outBuffer.width, outBuffer.height,

                                         convertPixelFormat(outBuffer.format),

                                         kPremul_SkAlphaType);
@@ -338,12 +330,12 @@ static jlong nativeLockCanvas(JNIEnv* env, jclass clazz, 
        bitmap.setPixels(NULL);

    }



    env->CallVoidMethod(canvasObj, gCanvasClassInfo.setNativeBitmap,

                        reinterpret_cast<jlong>(&bitmap));

    Canvas* nativeCanvas = GraphicsJNI::getNativeCanvas(env, canvasObj);

    nativeCanvas->setBitmap(bitmap);



    if (dirtyRectPtr) {

        SkCanvas* nativeCanvas = GraphicsJNI::getNativeCanvas(env, canvasObj);

        nativeCanvas->clipRect( SkRect::Make(reinterpret_cast<const SkIRect&>(dirtyRect)) );

        nativeCanvas->clipRect(dirtyRect.left, dirtyRect.top,

                dirtyRect.right, dirtyRect.bottom);

    }



    if (dirtyRectObj) {
@@ -369,7 +361,8 @@ static void nativeUnlockCanvasAndPost(JNIEnv* env, jclass clazz, 
    }



    // detach the canvas from the surface

    env->CallVoidMethod(canvasObj, gCanvasClassInfo.setNativeBitmap, (jlong)0);

    Canvas* nativeCanvas = GraphicsJNI::getNativeCanvas(env, canvasObj);

    nativeCanvas->setBitmap(SkBitmap());



    // unlock surface

    status_t err = surface->unlockAndPost();
@@ -564,10 +557,6 @@ int register_android_view_Surface(JNIEnv* env) 
            gSurfaceClassInfo.clazz, "mLock", "Ljava/lang/Object;");

    gSurfaceClassInfo.ctor = GetMethodIDOrDie(env, gSurfaceClassInfo.clazz, "<init>", "(J)V");



    clazz = FindClassOrDie(env, "android/graphics/Canvas");

    gCanvasClassInfo.mSurfaceFormat = GetFieldIDOrDie(env, clazz, "mSurfaceFormat", "I");

    gCanvasClassInfo.setNativeBitmap = GetMethodIDOrDie(env, clazz, "setNativeBitmap", "(J)V");



    clazz = FindClassOrDie(env, "android/graphics/Rect");

    gRectClassInfo.left = GetFieldIDOrDie(env, clazz, "left", "I");

    gRectClassInfo.top = GetFieldIDOrDie(env, clazz, "top", "I");