| /* |
| * 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 { |
| |
| class PdfDocumentGlue { |
| public: |
| |
| static SkPDFDocument* createDocument(JNIEnv* env, jobject clazz) { |
| return new SkPDFDocument(); |
| } |
| |
| static void finalize(JNIEnv* env, jobject thiz, SkPDFDocument* document) { |
| delete document; |
| } |
| |
| static SkCanvas* createPage(JNIEnv* env, jobject thiz, jobject pageSize, |
| jobject contentSize, const SkMatrix* initialTransformation) { |
| NPE_CHECK_RETURN_ZERO(env, pageSize); |
| NPE_CHECK_RETURN_ZERO(env, contentSize); |
| |
| 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()); |
| |
| SkPDFDevice* skPdfDevice = new SkPDFDevice(skPageSize, |
| skContentSize, *initialTransformation); |
| |
| return new SkCanvas(skPdfDevice); |
| } |
| |
| static bool appendPage(JNIEnv* env, jobject thiz, |
| SkPDFDocument* document, SkCanvas* page) { |
| SkPDFDevice* device = reinterpret_cast<SkPDFDevice*>(page->getDevice()); |
| return document->appendPage(device); |
| } |
| |
| static void write(JNIEnv* env, jobject clazz, SkPDFDocument* document, |
| jobject out, jbyteArray chunk) { |
| SkWStream* skWStream = CreateJavaOutputStreamAdaptor(env, out, chunk); |
| document->emitPDF(skWStream); |
| delete skWStream; |
| } |
| }; |
| |
| static JNINativeMethod gPdfDocumentMethods[] = { |
| {"native_createDocument", "()I", (void*) PdfDocumentGlue::createDocument}, |
| {"native_finalize", "(I)V", (void*) PdfDocumentGlue::finalize}, |
| {"native_createPage", "(Landroid/graphics/Rect;Landroid/graphics/Rect;I)I", |
| (void*) PdfDocumentGlue::createPage}, |
| {"native_appendPage", "(II)Z", (void*) PdfDocumentGlue::appendPage}, |
| {"native_write", "(ILjava/io/OutputStream;[B)V", (void*) PdfDocumentGlue::write} |
| }; |
| |
| int register_android_print_PdfDocument(JNIEnv* env) { |
| int result = android::AndroidRuntime::registerNativeMethods( |
| env, "android/print/pdf/PdfDocument", gPdfDocumentMethods, |
| NELEM(gPdfDocumentMethods)); |
| return result; |
| } |
| } // end namespace Andorid |