| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #ifndef BITMAP_H_ |
| #define BITMAP_H_ |
| |
| #include <jni.h> |
| #include <android/bitmap.h> |
| #include <SkBitmap.h> |
| #include <SkImageInfo.h> |
| |
| namespace android { |
| |
| class Bitmap; |
| |
| namespace bitmap { |
| |
| enum BitmapCreateFlags { |
| kBitmapCreateFlag_None = 0x0, |
| kBitmapCreateFlag_Mutable = 0x1, |
| kBitmapCreateFlag_Premultiplied = 0x2, |
| }; |
| |
| jobject createBitmap(JNIEnv* env, Bitmap* bitmap, |
| int bitmapCreateFlags, jbyteArray ninePatchChunk = NULL, |
| jobject ninePatchInsets = NULL, int density = -1); |
| |
| |
| void toSkBitmap(jlong bitmapHandle, SkBitmap* outBitmap); |
| |
| Bitmap& toBitmap(JNIEnv* env, jobject bitmap); |
| Bitmap& toBitmap(JNIEnv* env, jlong bitmapHandle); |
| |
| // NDK access |
| void imageInfo(JNIEnv* env, jobject bitmap, AndroidBitmapInfo* info); |
| // Returns a pointer to the pixels or nullptr if the bitmap is not valid |
| void* lockPixels(JNIEnv* env, jobject bitmap); |
| // Returns true if unlocked, false if the bitmap is no longer valid (destroyed) |
| bool unlockPixels(JNIEnv* env, jobject bitmap); |
| |
| /** Reinitialize a bitmap. bitmap must already have its SkAlphaType set in |
| sync with isPremultiplied |
| */ |
| void reinitBitmap(JNIEnv* env, jobject javaBitmap, const SkImageInfo& info, |
| bool isPremultiplied); |
| |
| int getBitmapAllocationByteCount(JNIEnv* env, jobject javaBitmap); |
| |
| } // namespace bitmap |
| |
| } // namespace android |
| |
| #endif /* BITMAP_H_ */ |