diff options
Diffstat (limited to 'jni_jpegstream/src/inputstream_wrapper.cpp')
-rw-r--r-- | jni_jpegstream/src/inputstream_wrapper.cpp | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/jni_jpegstream/src/inputstream_wrapper.cpp b/jni_jpegstream/src/inputstream_wrapper.cpp deleted file mode 100644 index 98721b066..000000000 --- a/jni_jpegstream/src/inputstream_wrapper.cpp +++ /dev/null @@ -1,69 +0,0 @@ -/* - * 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 "inputstream_wrapper.h" -#include "error_codes.h" - -jmethodID InputStreamWrapper::sReadID = NULL; -jmethodID InputStreamWrapper::sSkipID = NULL; - -int32_t InputStreamWrapper::read(int32_t length, int32_t offset) { - if (offset < 0 || length < 0 || (offset + length) > getBufferSize()) { - return J_ERROR_BAD_ARGS; - } - int32_t bytesRead = 0; - mEnv->ReleaseByteArrayElements(mByteArray, mBytes, JNI_COMMIT); - mBytes = NULL; - if (mEnv->ExceptionCheck()) { - return J_EXCEPTION; - } - bytesRead = static_cast<int32_t>(mEnv->CallIntMethod(mStream, sReadID, - mByteArray, offset, length)); - if (mEnv->ExceptionCheck()) { - return J_EXCEPTION; - } - mBytes = mEnv->GetByteArrayElements(mByteArray, NULL); - if (mBytes == NULL || mEnv->ExceptionCheck()) { - return J_EXCEPTION; - } - if (bytesRead == END_OF_STREAM) { - return J_DONE; - } - return bytesRead; -} - -int64_t InputStreamWrapper::skip(int64_t count) { - int64_t bytesSkipped = 0; - bytesSkipped = static_cast<int64_t>(mEnv->CallLongMethod(mStream, sSkipID, - static_cast<jlong>(count))); - if (mEnv->ExceptionCheck() || bytesSkipped < 0) { - return J_EXCEPTION; - } - return bytesSkipped; -} - -// Acts like a read call that returns the End Of Image marker for a JPEG file. -int32_t InputStreamWrapper::forceReadEOI() { - mBytes[0] = (jbyte) 0xFF; - mBytes[1] = (jbyte) 0xD9; - return 2; -} - -void InputStreamWrapper::setReadSkipMethodIDs(jmethodID readID, - jmethodID skipID) { - sReadID = readID; - sSkipID = skipID; -} |