1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <android/bitmap.h> 18 #include <android/graphics/Bitmap.h> 19 20 int AndroidBitmap_getInfo(JNIEnv* env, jobject jbitmap, 21 AndroidBitmapInfo* info) { 22 if (NULL == env || NULL == jbitmap) { 23 return ANDROID_BITMAP_RESULT_BAD_PARAMETER; 24 } 25 26 if (info) { 27 android::bitmap::imageInfo(env, jbitmap, info); 28 } 29 return ANDROID_BITMAP_RESULT_SUCCESS; 30 } 31 32 int AndroidBitmap_lockPixels(JNIEnv* env, jobject jbitmap, void** addrPtr) { 33 if (NULL == env || NULL == jbitmap) { 34 return ANDROID_BITMAP_RESULT_BAD_PARAMETER; 35 } 36 37 void* addr = android::bitmap::lockPixels(env, jbitmap); 38 if (!addr) { 39 return ANDROID_BITMAP_RESULT_JNI_EXCEPTION; 40 } 41 42 if (addrPtr) { 43 *addrPtr = addr; 44 } 45 return ANDROID_BITMAP_RESULT_SUCCESS; 46 } 47 48 int AndroidBitmap_unlockPixels(JNIEnv* env, jobject jbitmap) { 49 if (NULL == env || NULL == jbitmap) { 50 return ANDROID_BITMAP_RESULT_BAD_PARAMETER; 51 } 52 53 bool unlocked = android::bitmap::unlockPixels(env, jbitmap); 54 if (!unlocked) { 55 return ANDROID_BITMAP_RESULT_JNI_EXCEPTION; 56 } 57 return ANDROID_BITMAP_RESULT_SUCCESS; 58 } 59
