Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 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 | |
Ben Wagner | 60126ef | 2015-08-07 12:13:48 -0400 | [diff] [blame] | 17 | #include "CreateJavaOutputStreamAdaptor.h" |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 18 | #include "GraphicsJNI.h" |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 19 | #include "Picture.h" |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 20 | #include "SkCanvas.h" |
| 21 | #include "SkStream.h" |
Ben Wagner | 60126ef | 2015-08-07 12:13:48 -0400 | [diff] [blame] | 22 | #include "core_jni_helpers.h" |
| 23 | |
| 24 | #include <jni.h> |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 25 | |
| 26 | namespace android { |
| 27 | |
| 28 | static jlong android_graphics_Picture_newPicture(JNIEnv* env, jobject, jlong srcHandle) { |
| 29 | const Picture* src = reinterpret_cast<Picture*>(srcHandle); |
| 30 | return reinterpret_cast<jlong>(new Picture(src)); |
| 31 | } |
| 32 | |
| 33 | static jlong android_graphics_Picture_deserialize(JNIEnv* env, jobject, jobject jstream, |
| 34 | jbyteArray jstorage) { |
| 35 | Picture* picture = NULL; |
| 36 | SkStream* strm = CreateJavaInputStreamAdaptor(env, jstream, jstorage); |
| 37 | if (strm) { |
| 38 | picture = Picture::CreateFromStream(strm); |
| 39 | delete strm; |
| 40 | } |
| 41 | return reinterpret_cast<jlong>(picture); |
| 42 | } |
| 43 | |
| 44 | static void android_graphics_Picture_killPicture(JNIEnv* env, jobject, jlong pictureHandle) { |
| 45 | Picture* picture = reinterpret_cast<Picture*>(pictureHandle); |
| 46 | SkASSERT(picture); |
| 47 | delete picture; |
| 48 | } |
| 49 | |
| 50 | static void android_graphics_Picture_draw(JNIEnv* env, jobject, jlong canvasHandle, |
| 51 | jlong pictureHandle) { |
Derek Sollenberger | 8872b38 | 2014-06-23 14:13:53 -0400 | [diff] [blame] | 52 | Canvas* canvas = reinterpret_cast<Canvas*>(canvasHandle); |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 53 | Picture* picture = reinterpret_cast<Picture*>(pictureHandle); |
| 54 | SkASSERT(canvas); |
| 55 | SkASSERT(picture); |
| 56 | picture->draw(canvas); |
| 57 | } |
| 58 | |
| 59 | static jboolean android_graphics_Picture_serialize(JNIEnv* env, jobject, jlong pictureHandle, |
| 60 | jobject jstream, jbyteArray jstorage) { |
| 61 | Picture* picture = reinterpret_cast<Picture*>(pictureHandle); |
| 62 | SkWStream* strm = CreateJavaOutputStreamAdaptor(env, jstream, jstorage); |
| 63 | |
| 64 | if (NULL != strm) { |
| 65 | picture->serialize(strm); |
| 66 | delete strm; |
| 67 | return JNI_TRUE; |
| 68 | } |
| 69 | return JNI_FALSE; |
| 70 | } |
| 71 | |
| 72 | static jint android_graphics_Picture_getWidth(JNIEnv* env, jobject, jlong pictureHandle) { |
| 73 | Picture* pict = reinterpret_cast<Picture*>(pictureHandle); |
| 74 | return static_cast<jint>(pict->width()); |
| 75 | } |
| 76 | |
| 77 | static jint android_graphics_Picture_getHeight(JNIEnv* env, jobject, jlong pictureHandle) { |
| 78 | Picture* pict = reinterpret_cast<Picture*>(pictureHandle); |
| 79 | return static_cast<jint>(pict->height()); |
| 80 | } |
| 81 | |
| 82 | static jlong android_graphics_Picture_beginRecording(JNIEnv* env, jobject, jlong pictHandle, |
| 83 | jint w, jint h) { |
| 84 | Picture* pict = reinterpret_cast<Picture*>(pictHandle); |
Derek Sollenberger | 8872b38 | 2014-06-23 14:13:53 -0400 | [diff] [blame] | 85 | Canvas* canvas = pict->beginRecording(w, h); |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 86 | return reinterpret_cast<jlong>(canvas); |
| 87 | } |
| 88 | |
| 89 | static void android_graphics_Picture_endRecording(JNIEnv* env, jobject, jlong pictHandle) { |
| 90 | Picture* pict = reinterpret_cast<Picture*>(pictHandle); |
| 91 | pict->endRecording(); |
| 92 | } |
| 93 | |
Daniel Micay | 76f6a86 | 2015-09-19 17:31:01 -0400 | [diff] [blame] | 94 | static const JNINativeMethod gMethods[] = { |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 95 | {"nativeGetWidth", "(J)I", (void*) android_graphics_Picture_getWidth}, |
| 96 | {"nativeGetHeight", "(J)I", (void*) android_graphics_Picture_getHeight}, |
| 97 | {"nativeConstructor", "(J)J", (void*) android_graphics_Picture_newPicture}, |
| 98 | {"nativeCreateFromStream", "(Ljava/io/InputStream;[B)J", (void*)android_graphics_Picture_deserialize}, |
| 99 | {"nativeBeginRecording", "(JII)J", (void*) android_graphics_Picture_beginRecording}, |
| 100 | {"nativeEndRecording", "(J)V", (void*) android_graphics_Picture_endRecording}, |
| 101 | {"nativeDraw", "(JJ)V", (void*) android_graphics_Picture_draw}, |
| 102 | {"nativeWriteToStream", "(JLjava/io/OutputStream;[B)Z", (void*)android_graphics_Picture_serialize}, |
| 103 | {"nativeDestructor","(J)V", (void*) android_graphics_Picture_killPicture} |
| 104 | }; |
| 105 | |
| 106 | int register_android_graphics_Picture(JNIEnv* env) { |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 107 | return RegisterMethodsOrDie(env, "android/graphics/Picture", gMethods, NELEM(gMethods)); |
Derek Sollenberger | 4b0959d | 2014-06-12 12:31:10 -0400 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | }; // namespace android |