The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | #include "GraphicsJNI.h" |
| 2 | #include "SkMaskFilter.h" |
| 3 | #include "SkBlurMaskFilter.h" |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 4 | #include "SkTableMaskFilter.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 5 | |
| 6 | #include <jni.h> |
| 7 | |
Mike Reed | a04e555 | 2009-07-30 11:05:57 -0400 | [diff] [blame] | 8 | static void ThrowIAE_IfNull(JNIEnv* env, void* ptr) { |
| 9 | if (NULL == ptr) { |
| 10 | doThrowIAE(env); |
| 11 | } |
| 12 | } |
| 13 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 14 | class SkMaskFilterGlue { |
| 15 | public: |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame^] | 16 | static void destructor(JNIEnv* env, jobject, jlong filterHandle) { |
| 17 | SkMaskFilter* filter = reinterpret_cast<SkMaskFilter *>(filterHandle); |
Derek Sollenberger | 6062c59 | 2011-02-22 13:55:04 -0500 | [diff] [blame] | 18 | SkSafeUnref(filter); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 19 | } |
| 20 | |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame^] | 21 | static jlong createBlur(JNIEnv* env, jobject, jfloat radius, jint blurStyle) { |
Mike Reed | a04e555 | 2009-07-30 11:05:57 -0400 | [diff] [blame] | 22 | SkMaskFilter* filter = SkBlurMaskFilter::Create(SkFloatToScalar(radius), |
| 23 | (SkBlurMaskFilter::BlurStyle)blurStyle); |
| 24 | ThrowIAE_IfNull(env, filter); |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame^] | 25 | return reinterpret_cast<jlong>(filter); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 26 | } |
Elliott Hughes | 4cb1753 | 2011-04-12 16:10:26 -0700 | [diff] [blame] | 27 | |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame^] | 28 | static jlong createEmboss(JNIEnv* env, jobject, jfloatArray dirArray, jfloat ambient, jfloat specular, jfloat radius) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 29 | SkScalar direction[3]; |
| 30 | |
| 31 | AutoJavaFloatArray autoDir(env, dirArray, 3); |
| 32 | float* values = autoDir.ptr(); |
| 33 | for (int i = 0; i < 3; i++) { |
| 34 | direction[i] = SkFloatToScalar(values[i]); |
| 35 | } |
| 36 | |
Mike Reed | a04e555 | 2009-07-30 11:05:57 -0400 | [diff] [blame] | 37 | SkMaskFilter* filter = SkBlurMaskFilter::CreateEmboss(direction, |
| 38 | SkFloatToScalar(ambient), |
| 39 | SkFloatToScalar(specular), |
| 40 | SkFloatToScalar(radius)); |
| 41 | ThrowIAE_IfNull(env, filter); |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame^] | 42 | return reinterpret_cast<jlong>(filter); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 43 | } |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 44 | |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame^] | 45 | static jlong createTable(JNIEnv* env, jobject, jbyteArray jtable) { |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 46 | AutoJavaByteArray autoTable(env, jtable, 256); |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame^] | 47 | SkMaskFilter* filter = new SkTableMaskFilter((const uint8_t*)autoTable.ptr()); |
| 48 | return reinterpret_cast<jlong>(filter); |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 49 | } |
| 50 | |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame^] | 51 | static jlong createClipTable(JNIEnv* env, jobject, jint min, jint max) { |
| 52 | SkMaskFilter* filter = SkTableMaskFilter::CreateClip(min, max); |
| 53 | return reinterpret_cast<jlong>(filter); |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 54 | } |
| 55 | |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame^] | 56 | static jlong createGammaTable(JNIEnv* env, jobject, jfloat gamma) { |
| 57 | SkMaskFilter* filter = SkTableMaskFilter::CreateGamma(gamma); |
| 58 | return reinterpret_cast<jlong>(filter); |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 59 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 60 | }; |
| 61 | |
| 62 | static JNINativeMethod gMaskFilterMethods[] = { |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame^] | 63 | { "nativeDestructor", "(J)V", (void*)SkMaskFilterGlue::destructor } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 64 | }; |
| 65 | |
| 66 | static JNINativeMethod gBlurMaskFilterMethods[] = { |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame^] | 67 | { "nativeConstructor", "(FI)J", (void*)SkMaskFilterGlue::createBlur } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 68 | }; |
| 69 | |
| 70 | static JNINativeMethod gEmbossMaskFilterMethods[] = { |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame^] | 71 | { "nativeConstructor", "([FFFF)J", (void*)SkMaskFilterGlue::createEmboss } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 72 | }; |
| 73 | |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 74 | static JNINativeMethod gTableMaskFilterMethods[] = { |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame^] | 75 | { "nativeNewTable", "([B)J", (void*)SkMaskFilterGlue::createTable }, |
| 76 | { "nativeNewClip", "(II)J", (void*)SkMaskFilterGlue::createClipTable }, |
| 77 | { "nativeNewGamma", "(F)J", (void*)SkMaskFilterGlue::createGammaTable } |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 78 | }; |
| 79 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 80 | #include <android_runtime/AndroidRuntime.h> |
| 81 | |
| 82 | #define REG(env, name, array) \ |
| 83 | result = android::AndroidRuntime::registerNativeMethods(env, name, array, SK_ARRAY_COUNT(array)); \ |
| 84 | if (result < 0) return result |
| 85 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 86 | int register_android_graphics_MaskFilter(JNIEnv* env) |
| 87 | { |
| 88 | int result; |
Elliott Hughes | 4cb1753 | 2011-04-12 16:10:26 -0700 | [diff] [blame] | 89 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 90 | REG(env, "android/graphics/MaskFilter", gMaskFilterMethods); |
| 91 | REG(env, "android/graphics/BlurMaskFilter", gBlurMaskFilterMethods); |
| 92 | REG(env, "android/graphics/EmbossMaskFilter", gEmbossMaskFilterMethods); |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 93 | REG(env, "android/graphics/TableMaskFilter", gTableMaskFilterMethods); |
Elliott Hughes | 4cb1753 | 2011-04-12 16:10:26 -0700 | [diff] [blame] | 94 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 95 | return 0; |
| 96 | } |