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
AndroidBitmap_getInfo(JNIEnv * env,jobject jbitmap,AndroidBitmapInfo * info)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
AndroidBitmap_lockPixels(JNIEnv * env,jobject jbitmap,void ** addrPtr)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
AndroidBitmap_unlockPixels(JNIEnv * env,jobject jbitmap)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