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