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 11class SkPathEffectGlue { 12public: 13 14 static void destructor(JNIEnv* env, jobject, jlong effectHandle) { 15 SkPathEffect* effect = reinterpret_cast<SkPathEffect*>(effectHandle); 16 SkSafeUnref(effect); 17 } 18 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 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 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 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 57 static jlong Corner_constructor(JNIEnv* env, jobject, jfloat radius){ 58 SkPathEffect* effect = SkCornerPathEffect::Create(radius); 59 return reinterpret_cast<jlong>(effect); 60 } 61 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 72static JNINativeMethod gPathEffectMethods[] = { 73 { "nativeDestructor", "(J)V", (void*)SkPathEffectGlue::destructor } 74}; 75 76static JNINativeMethod gComposePathEffectMethods[] = { 77 { "nativeCreate", "(JJ)J", (void*)SkPathEffectGlue::Compose_constructor } 78}; 79 80static JNINativeMethod gSumPathEffectMethods[] = { 81 { "nativeCreate", "(JJ)J", (void*)SkPathEffectGlue::Sum_constructor } 82}; 83 84static JNINativeMethod gDashPathEffectMethods[] = { 85 { "nativeCreate", "([FF)J", (void*)SkPathEffectGlue::Dash_constructor } 86}; 87 88static JNINativeMethod gPathDashPathEffectMethods[] = { 89 { "nativeCreate", "(JFFI)J", (void*)SkPathEffectGlue::OneD_constructor } 90}; 91 92static JNINativeMethod gCornerPathEffectMethods[] = { 93 { "nativeCreate", "(F)J", (void*)SkPathEffectGlue::Corner_constructor } 94}; 95 96static 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 107int 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