1 /* libs/android_runtime/android/graphics/Rasterizer.cpp
2 **
3 ** Copyright 2006, The Android Open Source Project
4 **
5 ** Licensed under the Apache License, Version 2.0 (the "License");
6 ** you may not use this file except in compliance with the License.
7 ** You may obtain a copy of the License at
8 **
9 ** http://www.apache.org/licenses/LICENSE-2.0
10 **
11 ** Unless required by applicable law or agreed to in writing, software
12 ** distributed under the License is distributed on an "AS IS" BASIS,
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 ** See the License for the specific language governing permissions and
15 ** limitations under the License.
16 */
17
18 // This file was generated from the C++ include file: SkRasterizer.h
19 // Any changes made to this file will be discarded by the build.
20 // To change this file, either edit the include, or device/tools/gluemaker/main.cpp,
21 // or one of the auxilary file specifications in device/tools/gluemaker.
22
23 #include "jni.h"
24 #include "GraphicsJNI.h"
25 #include "SkLayerRasterizer.h"
26 #include "core_jni_helpers.h"
27
28 #include <hwui/Paint.h>
29
30 // Rasterizer.java holds a pointer (jlong) to this guy
31 class NativeRasterizer {
32 public:
NativeRasterizer()33 NativeRasterizer() {}
~NativeRasterizer()34 virtual ~NativeRasterizer() {}
35
36 // Can return NULL, or a ref to the skia rasterizer.
refRasterizer()37 virtual SkRasterizer* refRasterizer() { return NULL; }
38 };
39
40 class NativeLayerRasterizer : public NativeRasterizer {
41 public:
42 SkLayerRasterizer::Builder fBuilder;
43
refRasterizer()44 virtual SkRasterizer* refRasterizer() {
45 return fBuilder.snapshotRasterizer();
46 }
47 };
48
refNativeRasterizer(jlong rasterizerHandle)49 SkRasterizer* GraphicsJNI::refNativeRasterizer(jlong rasterizerHandle) {
50 NativeRasterizer* nr = reinterpret_cast<NativeRasterizer*>(rasterizerHandle);
51 return nr ? nr->refRasterizer() : NULL;
52 }
53
54 ///////////////////////////////////////////////////////////////////////////////
55
56 namespace android {
57
58 class SkRasterizerGlue {
59 public:
finalizer(JNIEnv * env,jobject clazz,jlong objHandle)60 static void finalizer(JNIEnv* env, jobject clazz, jlong objHandle) {
61 delete reinterpret_cast<NativeRasterizer *>(objHandle);
62 }
63 };
64
65 static const JNINativeMethod gRasterizerMethods[] = {
66 {"finalizer", "(J)V", (void*) SkRasterizerGlue::finalizer}
67 };
68
register_android_graphics_Rasterizer(JNIEnv * env)69 int register_android_graphics_Rasterizer(JNIEnv* env) {
70 return RegisterMethodsOrDie(env, "android/graphics/Rasterizer", gRasterizerMethods,
71 NELEM(gRasterizerMethods));
72 }
73
74 class SkLayerRasterizerGlue {
75 public:
create(JNIEnv * env,jobject)76 static jlong create(JNIEnv* env, jobject) {
77 return reinterpret_cast<jlong>(new NativeLayerRasterizer);
78 }
79
addLayer(JNIEnv * env,jobject,jlong layerHandle,jlong paintHandle,jfloat dx,jfloat dy)80 static void addLayer(JNIEnv* env, jobject, jlong layerHandle, jlong paintHandle, jfloat dx, jfloat dy) {
81 NativeLayerRasterizer* nr = reinterpret_cast<NativeLayerRasterizer *>(layerHandle);
82 const Paint* paint = reinterpret_cast<Paint *>(paintHandle);
83 SkASSERT(nr);
84 SkASSERT(paint);
85 nr->fBuilder.addLayer(*paint, dx, dy);
86 }
87 };
88
89 static const JNINativeMethod gLayerRasterizerMethods[] = {
90 { "nativeConstructor", "()J", (void*)SkLayerRasterizerGlue::create },
91 { "nativeAddLayer", "(JJFF)V", (void*)SkLayerRasterizerGlue::addLayer }
92 };
93
register_android_graphics_LayerRasterizer(JNIEnv * env)94 int register_android_graphics_LayerRasterizer(JNIEnv* env)
95 {
96 return RegisterMethodsOrDie(env, "android/graphics/LayerRasterizer",
97 gLayerRasterizerMethods, NELEM(gLayerRasterizerMethods));
98 }
99
100 }
101
102