| /* |
| * Copyright (C) 2013 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. |
| */ |
| |
| #include "jni.h" |
| #include "GraphicsJNI.h" |
| #include <android_runtime/AndroidRuntime.h> |
| |
| #include "SkCanvas.h" |
| #include "SkPDFDevice.h" |
| #include "SkPDFDocument.h" |
| #include "SkRect.h" |
| #include "SkSize.h" |
| #include "CreateJavaOutputStreamAdaptor.h" |
| |
| namespace android { |
| |
| static jint nativeCreateDocument(JNIEnv* env, jobject clazz) { |
| return reinterpret_cast<jint>(new SkPDFDocument()); |
| } |
| |
| static void nativeFinalize(JNIEnv* env, jobject thiz, jint documentPtr) { |
| delete reinterpret_cast<SkPDFDocument*>(documentPtr); |
| } |
| |
| static jint nativeCreatePage(JNIEnv* env, jobject thiz, |
| jobject pageSize, jobject contentSize, jint initialTransformation) { |
| SkIRect skPageSizeRect; |
| GraphicsJNI::jrect_to_irect(env, pageSize, &skPageSizeRect); |
| SkISize skPageSize = SkISize::Make(skPageSizeRect.width(), |
| skPageSizeRect.height()); |
| |
| SkIRect skContentRect; |
| GraphicsJNI::jrect_to_irect(env, contentSize, &skContentRect); |
| SkISize skContentSize = SkISize::Make(skContentRect.width(), |
| skContentRect.height()); |
| |
| SkMatrix* transformation = reinterpret_cast<SkMatrix*>(initialTransformation); |
| SkPDFDevice* skPdfDevice = new SkPDFDevice(skPageSize, skContentSize, *transformation); |
| |
| return reinterpret_cast<jint>(new SkCanvas(skPdfDevice)); |
| } |
| |
| static void nativeAppendPage(JNIEnv* env, jobject thiz, jint documentPtr, jint pagePtr) { |
| SkCanvas* page = reinterpret_cast<SkCanvas*>(pagePtr); |
| SkPDFDocument* document = reinterpret_cast<SkPDFDocument*>(documentPtr); |
| SkPDFDevice* device = static_cast<SkPDFDevice*>(page->getDevice()); |
| document->appendPage(device); |
| } |
| |
| static void nativeWriteTo(JNIEnv* env, jobject clazz, jint documentPtr, |
| jobject out, jbyteArray chunk) { |
| SkWStream* skWStream = CreateJavaOutputStreamAdaptor(env, out, chunk); |
| SkPDFDocument* document = reinterpret_cast<SkPDFDocument*>(documentPtr); |
| document->emitPDF(skWStream); |
| delete skWStream; |
| } |
| |
| static JNINativeMethod gPdfDocument_Methods[] = { |
| {"nativeCreateDocument", "()I", (void*) nativeCreateDocument}, |
| {"nativeFinalize", "(I)V", (void*) nativeFinalize}, |
| {"nativeCreatePage", "(Landroid/graphics/Rect;Landroid/graphics/Rect;I)I", |
| (void*) nativeCreatePage}, |
| {"nativeAppendPage", "(II)V", (void*) nativeAppendPage}, |
| {"nativeWriteTo", "(ILjava/io/OutputStream;[B)V", (void*) nativeWriteTo} |
| }; |
| |
| int register_android_print_pdf_PdfDocument(JNIEnv* env) { |
| int result = android::AndroidRuntime::registerNativeMethods( |
| env, "android/print/pdf/PdfDocument", gPdfDocument_Methods, |
| NELEM(gPdfDocument_Methods)); |
| return result; |
| } |
| |
| }; |