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 "Paint.h"
26 #include "SkLayerRasterizer.h"
27 #include "core_jni_helpers.h"
28
29 // Rasterizer.java holds a pointer (jlong) to this guy
30 class NativeRasterizer {
31 public:
NativeRasterizer()32 NativeRasterizer() {}
~NativeRasterizer()33 virtual ~NativeRasterizer() {}
34
35 // Can return NULL, or a ref to the skia rasterizer.
refRasterizer()36 virtual SkRasterizer* refRasterizer() { return NULL; }
37 };
38
39 class NativeLayerRasterizer : public NativeRasterizer {
40 public:
41 SkLayerRasterizer::Builder fBuilder;
42
refRasterizer()43 virtual SkRasterizer* refRasterizer() {
44 return fBuilder.snapshotRasterizer();
45 }
46 };
47
refNativeRasterizer(jlong rasterizerHandle)48 SkRasterizer* GraphicsJNI::refNativeRasterizer(jlong rasterizerHandle) {
49 NativeRasterizer* nr = reinterpret_cast<NativeRasterizer*>(rasterizerHandle);
50 return nr ? nr->refRasterizer() : NULL;
51 }
52
53 ///////////////////////////////////////////////////////////////////////////////
54
55 namespace android {
56
57 class SkRasterizerGlue {
58 public:
finalizer(JNIEnv * env,jobject clazz,jlong objHandle)59 static void finalizer(JNIEnv* env, jobject clazz, jlong objHandle) {
60 delete reinterpret_cast<NativeRasterizer *>(objHandle);
61 }
62 };
63
64 static JNINativeMethod gRasterizerMethods[] = {
65 {"finalizer", "(J)V", (void*) SkRasterizerGlue::finalizer}
66 };
67
register_android_graphics_Rasterizer(JNIEnv * env)68 int register_android_graphics_Rasterizer(JNIEnv* env) {
69 return RegisterMethodsOrDie(env, "android/graphics/Rasterizer", gRasterizerMethods,
70 NELEM(gRasterizerMethods));
71 }
72
73 class SkLayerRasterizerGlue {
74 public:
create(JNIEnv * env,jobject)75 static jlong create(JNIEnv* env, jobject) {
76 return reinterpret_cast<jlong>(new NativeLayerRasterizer);
77 }
78
addLayer(JNIEnv * env,jobject,jlong layerHandle,jlong paintHandle,jfloat dx,jfloat dy)79 static void addLayer(JNIEnv* env, jobject, jlong layerHandle, jlong paintHandle, jfloat dx, jfloat dy) {
80 NativeLayerRasterizer* nr = reinterpret_cast<NativeLayerRasterizer *>(layerHandle);
81 const Paint* paint = reinterpret_cast<Paint *>(paintHandle);
82 SkASSERT(nr);
83 SkASSERT(paint);
84 nr->fBuilder.addLayer(*paint, dx, dy);
85 }
86 };
87
88 static JNINativeMethod gLayerRasterizerMethods[] = {
89 { "nativeConstructor", "()J", (void*)SkLayerRasterizerGlue::create },
90 { "nativeAddLayer", "(JJFF)V", (void*)SkLayerRasterizerGlue::addLayer }
91 };
92
register_android_graphics_LayerRasterizer(JNIEnv * env)93 int register_android_graphics_LayerRasterizer(JNIEnv* env)
94 {
95 return RegisterMethodsOrDie(env, "android/graphics/LayerRasterizer",
96 gLayerRasterizerMethods, NELEM(gLayerRasterizerMethods));
97 }
98
99 }
100
101