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Diffstat (limited to 'jni_jpegstream/src/jpeg_writer.h')
-rw-r--r-- | jni_jpegstream/src/jpeg_writer.h | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/jni_jpegstream/src/jpeg_writer.h b/jni_jpegstream/src/jpeg_writer.h deleted file mode 100644 index bd9a42d32..000000000 --- a/jni_jpegstream/src/jpeg_writer.h +++ /dev/null @@ -1,83 +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. - */ -#ifndef JPEG_WRITER_H_ -#define JPEG_WRITER_H_ - -#include "jerr_hook.h" -#include "jni_defines.h" -#include "jpeg_config.h" - -#include <stdint.h> - -/** - * JpegWriter wraps libjpeg's compression functionality and a - * java OutputStream object. Write calls result in input data - * being compressed and written to the OuputStream. - */ -class JpegWriter { -public: - JpegWriter(); - ~JpegWriter(); - - /** - * Call setup with a valid OutputStream reference, bitmap height and - * width, pixel format, and compression quality in range (0, 100]. - * - * Returns J_SUCCESS on success or a negative error code. - */ - int32_t setup(JNIEnv *env, jobject out, int32_t width, int32_t height, - Jpeg_Config::Format format, int32_t quality); - - /** - * Compresses bytes from the input buffer. - * - * ***This method will result in bytes being written to the OutputStream*** - * - * Returns J_SUCCESS on success or a negative error code. - */ - int32_t write(int8_t* bytes, int32_t length); - - /** - * Updates the environment pointer. Call this before write or reset - * in any jni function call. - */ - void updateEnv(JNIEnv *env); - - /** - * Frees any java global references held by the JpegWriter, destroys - * the compress structure, and frees allocations in libjpeg's pools. - */ - int32_t reset(); - - static const int32_t DEFAULT_X_DENSITY; - static const int32_t DEFAULT_Y_DENSITY; - static const int32_t DEFAULT_DENSITY_UNIT; -private: - void formatPixels(uint8_t* buf, int32_t len); - struct jpeg_compress_struct mInfo; - ErrManager mErrorManager; - - JSAMPLE* mScanlineBuf; - JSAMPLE* mScanlineIter; - int32_t mScanlineBuflen; - int32_t mScanlineBytesRemaining; - - Jpeg_Config::Format mFormat; - bool mFinished; - bool mSetup; -}; - -#endif // JPEG_WRITER_H_ |