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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "AWT"
#include "jni.h"
#include "JNIHelp.h"
#include "GraphicsJNI.h"
#include <android_runtime/AndroidRuntime.h>
#include "SkCanvas.h"
#include "SkDevice.h"
#include "SkPicture.h"
#include "SkTemplates.h"
namespace android
{
static jclass class_fileDescriptor;
static jfieldID field_fileDescriptor_descriptor;
static jmethodID method_fileDescriptor_init;
static jboolean scrollRect(JNIEnv* env, jobject graphics2D, jobject canvas, jobject rect, int dx, int dy) {
if (canvas == NULL) {
jniThrowException(env, "java/lang/NullPointerException", NULL);
return false;
}
SkIRect src, *srcPtr = NULL;
if (NULL != rect) {
GraphicsJNI::jrect_to_irect(env, rect, &src);
srcPtr = &src;
}
SkCanvas* c = GraphicsJNI::getNativeCanvas(env, canvas);
const SkBitmap& bitmap = c->getDevice()->accessBitmap(true);
return bitmap.scrollRect(srcPtr, dx, dy, NULL);
}
static JNINativeMethod method_table[] = {
{ "nativeScrollRect",
"(Landroid/graphics/Canvas;Landroid/graphics/Rect;II)Z",
(void*)scrollRect}
};
int register_com_android_internal_graphics_NativeUtils(JNIEnv *env) {
return AndroidRuntime::registerNativeMethods(
env, "com/android/internal/graphics/NativeUtils",
method_table, NELEM(method_table));
}
}
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