| /* |
| * 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)); |
| } |
| |
| } |