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openpilot v0.8.10 release
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112
third_party/android_frameworks_native/include/android/bitmap.h
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112
third_party/android_frameworks_native/include/android/bitmap.h
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/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @addtogroup Bitmap
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* @{
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*/
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/**
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* @file bitmap.h
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*/
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#ifndef ANDROID_BITMAP_H
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#define ANDROID_BITMAP_H
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#include <stdint.h>
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#include <jni.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** AndroidBitmap functions result code. */
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enum {
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/** Operation was successful. */
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ANDROID_BITMAP_RESULT_SUCCESS = 0,
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/** Bad parameter. */
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ANDROID_BITMAP_RESULT_BAD_PARAMETER = -1,
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/** JNI exception occured. */
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ANDROID_BITMAP_RESULT_JNI_EXCEPTION = -2,
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/** Allocation failed. */
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ANDROID_BITMAP_RESULT_ALLOCATION_FAILED = -3,
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};
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/** Backward compatibility: this macro used to be misspelled. */
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#define ANDROID_BITMAP_RESUT_SUCCESS ANDROID_BITMAP_RESULT_SUCCESS
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/** Bitmap pixel format. */
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enum AndroidBitmapFormat {
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/** No format. */
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ANDROID_BITMAP_FORMAT_NONE = 0,
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/** Red: 8 bits, Green: 8 bits, Blue: 8 bits, Alpha: 8 bits. **/
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ANDROID_BITMAP_FORMAT_RGBA_8888 = 1,
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/** Red: 5 bits, Green: 6 bits, Blue: 5 bits. **/
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ANDROID_BITMAP_FORMAT_RGB_565 = 4,
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/** Red: 4 bits, Green: 4 bits, Blue: 4 bits, Alpha: 4 bits. **/
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ANDROID_BITMAP_FORMAT_RGBA_4444 = 7,
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/** Deprecated. */
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ANDROID_BITMAP_FORMAT_A_8 = 8,
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};
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/** Bitmap info, see AndroidBitmap_getInfo(). */
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typedef struct {
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/** The bitmap width in pixels. */
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uint32_t width;
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/** The bitmap height in pixels. */
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uint32_t height;
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/** The number of byte per row. */
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uint32_t stride;
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/** The bitmap pixel format. See {@link AndroidBitmapFormat} */
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int32_t format;
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/** Unused. */
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uint32_t flags; // 0 for now
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} AndroidBitmapInfo;
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/**
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* Given a java bitmap object, fill out the AndroidBitmapInfo struct for it.
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* If the call fails, the info parameter will be ignored.
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*/
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int AndroidBitmap_getInfo(JNIEnv* env, jobject jbitmap,
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AndroidBitmapInfo* info);
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/**
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* Given a java bitmap object, attempt to lock the pixel address.
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* Locking will ensure that the memory for the pixels will not move
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* until the unlockPixels call, and ensure that, if the pixels had been
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* previously purged, they will have been restored.
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*
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* If this call succeeds, it must be balanced by a call to
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* AndroidBitmap_unlockPixels, after which time the address of the pixels should
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* no longer be used.
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*
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* If this succeeds, *addrPtr will be set to the pixel address. If the call
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* fails, addrPtr will be ignored.
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*/
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int AndroidBitmap_lockPixels(JNIEnv* env, jobject jbitmap, void** addrPtr);
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/**
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* Call this to balance a successful call to AndroidBitmap_lockPixels.
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*/
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int AndroidBitmap_unlockPixels(JNIEnv* env, jobject jbitmap);
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#ifdef __cplusplus
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}
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#endif
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#endif
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/** @} */
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