| /* |
| * Copyright (C) 2016 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. |
| */ |
| |
| #ifndef PDF_UTILS_H_ |
| #define PDF_UTILS_H_ |
| |
| #include "jni.h" |
| |
| namespace android { |
| |
| int getBlock(void* param, unsigned long position, unsigned char* outBuffer, |
| unsigned long size); |
| |
| bool forwardPdfiumError(JNIEnv* env); |
| |
| #define HANDLE_PDFIUM_ERROR_STATE(env) \ |
| { \ |
| bool isExceptionPending = forwardPdfiumError(env); \ |
| if (isExceptionPending) { \ |
| return; \ |
| } \ |
| } |
| |
| #define HANDLE_PDFIUM_ERROR_STATE_WITH_RET_CODE(env, retCode) \ |
| { \ |
| bool isExceptionPending = forwardPdfiumError(env); \ |
| if (isExceptionPending) { \ |
| return retCode; \ |
| } \ |
| } |
| |
| jlong nativeOpen(JNIEnv* env, jclass thiz, jint fd, jlong size); |
| void nativeClose(JNIEnv* env, jclass thiz, jlong documentPtr); |
| |
| jint nativeGetPageCount(JNIEnv* env, jclass thiz, jlong documentPtr); |
| jboolean nativeScaleForPrinting(JNIEnv* env, jclass thiz, jlong documentPtr); |
| |
| }; |
| |
| #endif /* PDF_UTILS_H_ */ |