1 /*
2 * Copyright (C) 2010 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 <jni.h>
19
20 #include "convolution.h"
21 #include "utils.h"
22 #include "_jni.h"
23
24 using android::apps::photoeditor::convolution::SpecialConvolution;
25 using android::apps::photoeditor::utils::LockBitmaps;
26 using android::apps::photoeditor::utils::UnlockBitmaps;
27
28 namespace {
29
Java_com_android_photoeditor_filters_ImageUtils_nativeSharpen(JNIEnv * env,jobject obj,jobject src_bitmap,jobject dst_bitmap,jfloat scale)30 extern "C" JNIEXPORT void JNICALL Java_com_android_photoeditor_filters_ImageUtils_nativeSharpen(
31 JNIEnv *env, jobject obj, jobject src_bitmap, jobject dst_bitmap, jfloat scale) {
32 pSharpenType f = (pSharpenType)JNIFunc[JNI_Sharpen].func_ptr;
33 return f(env, obj, src_bitmap, dst_bitmap, scale);
34 }
35
Sharpen(JNIEnv * env,jobject obj,jobject src_bitmap,jobject dst_bitmap,jfloat scale)36 extern "C" void Sharpen(
37 JNIEnv *env, jobject obj, jobject src_bitmap, jobject dst_bitmap, jfloat scale) {
38 AndroidBitmapInfo src_info;
39 AndroidBitmapInfo dst_info;
40 void* src_pixels;
41 void* dst_pixels;
42
43 int ret = LockBitmaps(
44 env, src_bitmap, dst_bitmap, &src_info, &dst_info, &src_pixels, &dst_pixels);
45 if (ret < 0) {
46 LOGE("LockBitmaps in Sharpen failed, error=%d", ret);
47 return;
48 }
49
50 SpecialConvolution(&src_info, &dst_info, src_pixels, dst_pixels, -scale);
51
52 UnlockBitmaps(env, src_bitmap, dst_bitmap);
53 }
54
55 } // namespace
56