1 /* 2 * Copyright (C) 2018 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 "NinePatchPeeker.h" 18 19 #include <hwui/Canvas.h> 20 21 #include <jni.h> 22 23 class SkAndroidCodec; 24 25 using namespace android; 26 27 struct ImageDecoder { 28 // These need to stay in sync with ImageDecoder.java's Allocator constants. 29 enum Allocator { 30 kDefault_Allocator = 0, 31 kSoftware_Allocator = 1, 32 kSharedMemory_Allocator = 2, 33 kHardware_Allocator = 3, 34 }; 35 36 // These need to stay in sync with ImageDecoder.java's Error constants. 37 enum Error { 38 kSourceException = 1, 39 kSourceIncomplete = 2, 40 kSourceMalformedData = 3, 41 }; 42 43 // These need to stay in sync with PixelFormat.java's Format constants. 44 enum PixelFormat { 45 kUnknown = 0, 46 kTranslucent = -3, 47 kOpaque = -1, 48 }; 49 50 std::unique_ptr<SkAndroidCodec> mCodec; 51 sk_sp<NinePatchPeeker> mPeeker; 52 53 ImageDecoder() 54 :mPeeker(new NinePatchPeeker) 55 {} 56 }; 57 58 // Creates a Java Canvas object from canvas, calls jimageDecoder's PostProcess on it, and then 59 // releases the Canvas. 60 // Caller needs to check for exceptions. 61 jint postProcessAndRelease(JNIEnv* env, jobject jimageDecoder, std::unique_ptr<Canvas> canvas); 62
