1 #include <jni.h>
2 #include "GraphicsJNI.h"
3
4 #include "SkPathEffect.h"
5 #include "SkCornerPathEffect.h"
6 #include "SkDashPathEffect.h"
7 #include "SkDiscretePathEffect.h"
8 #include "Sk1DPathEffect.h"
9 #include "SkTemplates.h"
10
11 class SkPathEffectGlue {
12 public:
13
destructor(JNIEnv * env,jobject,jlong effectHandle)14 static void destructor(JNIEnv* env, jobject, jlong effectHandle) {
15 SkPathEffect* effect = reinterpret_cast<SkPathEffect*>(effectHandle);
16 SkSafeUnref(effect);
17 }
18
Compose_constructor(JNIEnv * env,jobject,jlong outerHandle,jlong innerHandle)19 static jlong Compose_constructor(JNIEnv* env, jobject,
20 jlong outerHandle, jlong innerHandle) {
21 SkPathEffect* outer = reinterpret_cast<SkPathEffect*>(outerHandle);
22 SkPathEffect* inner = reinterpret_cast<SkPathEffect*>(innerHandle);
23 SkPathEffect* effect = SkComposePathEffect::Create(outer, inner);
24 return reinterpret_cast<jlong>(effect);
25 }
26
Sum_constructor(JNIEnv * env,jobject,jlong firstHandle,jlong secondHandle)27 static jlong Sum_constructor(JNIEnv* env, jobject,
28 jlong firstHandle, jlong secondHandle) {
29 SkPathEffect* first = reinterpret_cast<SkPathEffect*>(firstHandle);
30 SkPathEffect* second = reinterpret_cast<SkPathEffect*>(secondHandle);
31 SkPathEffect* effect = SkSumPathEffect::Create(first, second);
32 return reinterpret_cast<jlong>(effect);
33 }
34
Dash_constructor(JNIEnv * env,jobject,jfloatArray intervalArray,jfloat phase)35 static jlong Dash_constructor(JNIEnv* env, jobject,
36 jfloatArray intervalArray, jfloat phase) {
37 AutoJavaFloatArray autoInterval(env, intervalArray);
38 int count = autoInterval.length() & ~1; // even number
39 #ifdef SK_SCALAR_IS_FLOAT
40 SkScalar* intervals = autoInterval.ptr();
41 #else
42 #error Need to convert float array to SkScalar array before calling the following function.
43 #endif
44 SkPathEffect* effect = SkDashPathEffect::Create(intervals, count, phase);
45 return reinterpret_cast<jlong>(effect);
46 }
47
OneD_constructor(JNIEnv * env,jobject,jlong shapeHandle,jfloat advance,jfloat phase,jint style)48 static jlong OneD_constructor(JNIEnv* env, jobject,
49 jlong shapeHandle, jfloat advance, jfloat phase, jint style) {
50 const SkPath* shape = reinterpret_cast<SkPath*>(shapeHandle);
51 SkASSERT(shape != NULL);
52 SkPathEffect* effect = SkPath1DPathEffect::Create(*shape, advance, phase,
53 (SkPath1DPathEffect::Style)style);
54 return reinterpret_cast<jlong>(effect);
55 }
56
Corner_constructor(JNIEnv * env,jobject,jfloat radius)57 static jlong Corner_constructor(JNIEnv* env, jobject, jfloat radius){
58 SkPathEffect* effect = SkCornerPathEffect::Create(radius);
59 return reinterpret_cast<jlong>(effect);
60 }
61
Discrete_constructor(JNIEnv * env,jobject,jfloat length,jfloat deviation)62 static jlong Discrete_constructor(JNIEnv* env, jobject,
63 jfloat length, jfloat deviation) {
64 SkPathEffect* effect = SkDiscretePathEffect::Create(length, deviation);
65 return reinterpret_cast<jlong>(effect);
66 }
67
68 };
69
70 ////////////////////////////////////////////////////////////////////////////////////////////////////////
71
72 static JNINativeMethod gPathEffectMethods[] = {
73 { "nativeDestructor", "(J)V", (void*)SkPathEffectGlue::destructor }
74 };
75
76 static JNINativeMethod gComposePathEffectMethods[] = {
77 { "nativeCreate", "(JJ)J", (void*)SkPathEffectGlue::Compose_constructor }
78 };
79
80 static JNINativeMethod gSumPathEffectMethods[] = {
81 { "nativeCreate", "(JJ)J", (void*)SkPathEffectGlue::Sum_constructor }
82 };
83
84 static JNINativeMethod gDashPathEffectMethods[] = {
85 { "nativeCreate", "([FF)J", (void*)SkPathEffectGlue::Dash_constructor }
86 };
87
88 static JNINativeMethod gPathDashPathEffectMethods[] = {
89 { "nativeCreate", "(JFFI)J", (void*)SkPathEffectGlue::OneD_constructor }
90 };
91
92 static JNINativeMethod gCornerPathEffectMethods[] = {
93 { "nativeCreate", "(F)J", (void*)SkPathEffectGlue::Corner_constructor }
94 };
95
96 static JNINativeMethod gDiscretePathEffectMethods[] = {
97 { "nativeCreate", "(FF)J", (void*)SkPathEffectGlue::Discrete_constructor }
98 };
99
100 #include <android_runtime/AndroidRuntime.h>
101
102 #define REG(env, name, array) \
103 result = android::AndroidRuntime::registerNativeMethods(env, name, array, \
104 SK_ARRAY_COUNT(array)); \
105 if (result < 0) return result
106
register_android_graphics_PathEffect(JNIEnv * env)107 int register_android_graphics_PathEffect(JNIEnv* env)
108 {
109 int result;
110
111 REG(env, "android/graphics/PathEffect", gPathEffectMethods);
112 REG(env, "android/graphics/ComposePathEffect", gComposePathEffectMethods);
113 REG(env, "android/graphics/SumPathEffect", gSumPathEffectMethods);
114 REG(env, "android/graphics/DashPathEffect", gDashPathEffectMethods);
115 REG(env, "android/graphics/PathDashPathEffect", gPathDashPathEffectMethods);
116 REG(env, "android/graphics/CornerPathEffect", gCornerPathEffectMethods);
117 REG(env, "android/graphics/DiscretePathEffect", gDiscretePathEffectMethods);
118
119 return 0;
120 }
121