The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | #include "GraphicsJNI.h" |
| 2 | #include "SkMaskFilter.h" |
Chris Craik | 67862524 | 2014-02-28 12:26:34 -0800 | [diff] [blame] | 3 | #include "SkBlurMask.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 4 | #include "SkBlurMaskFilter.h" |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 5 | #include "SkTableMaskFilter.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 6 | |
| 7 | #include <jni.h> |
| 8 | |
Mike Reed | a04e555 | 2009-07-30 11:05:57 -0400 | [diff] [blame] | 9 | static void ThrowIAE_IfNull(JNIEnv* env, void* ptr) { |
| 10 | if (NULL == ptr) { |
| 11 | doThrowIAE(env); |
| 12 | } |
| 13 | } |
| 14 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 15 | class SkMaskFilterGlue { |
| 16 | public: |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 17 | static void destructor(JNIEnv* env, jobject, jlong filterHandle) { |
| 18 | SkMaskFilter* filter = reinterpret_cast<SkMaskFilter *>(filterHandle); |
Derek Sollenberger | 6062c59 | 2011-02-22 13:55:04 -0500 | [diff] [blame] | 19 | SkSafeUnref(filter); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 20 | } |
| 21 | |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 22 | static jlong createBlur(JNIEnv* env, jobject, jfloat radius, jint blurStyle) { |
Chris Craik | 67862524 | 2014-02-28 12:26:34 -0800 | [diff] [blame] | 23 | SkScalar sigma = SkBlurMask::ConvertRadiusToSigma(SkFloatToScalar(radius)); |
Chris Craik | adbd2ba | 2014-02-28 12:46:41 -0800 | [diff] [blame] | 24 | SkMaskFilter* filter = SkBlurMaskFilter::Create( |
| 25 | (SkBlurMaskFilter::BlurStyle)blurStyle, sigma); |
Mike Reed | a04e555 | 2009-07-30 11:05:57 -0400 | [diff] [blame] | 26 | ThrowIAE_IfNull(env, filter); |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 27 | return reinterpret_cast<jlong>(filter); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 28 | } |
Elliott Hughes | 4cb1753 | 2011-04-12 16:10:26 -0700 | [diff] [blame] | 29 | |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 30 | 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] | 31 | SkScalar direction[3]; |
| 32 | |
| 33 | AutoJavaFloatArray autoDir(env, dirArray, 3); |
| 34 | float* values = autoDir.ptr(); |
| 35 | for (int i = 0; i < 3; i++) { |
| 36 | direction[i] = SkFloatToScalar(values[i]); |
| 37 | } |
| 38 | |
Chris Craik | 67862524 | 2014-02-28 12:26:34 -0800 | [diff] [blame] | 39 | SkScalar sigma = SkBlurMask::ConvertRadiusToSigma(SkFloatToScalar(radius)); |
| 40 | SkMaskFilter* filter = SkBlurMaskFilter::CreateEmboss(sigma, |
| 41 | direction, SkFloatToScalar(ambient), SkFloatToScalar(specular)); |
Mike Reed | a04e555 | 2009-07-30 11:05:57 -0400 | [diff] [blame] | 42 | ThrowIAE_IfNull(env, filter); |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 43 | return reinterpret_cast<jlong>(filter); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 44 | } |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 45 | |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 46 | static jlong createTable(JNIEnv* env, jobject, jbyteArray jtable) { |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 47 | AutoJavaByteArray autoTable(env, jtable, 256); |
Leon Scroggins | cc11f15 | 2014-03-31 16:52:13 -0400 | [diff] [blame] | 48 | SkMaskFilter* filter = SkTableMaskFilter::Create((const uint8_t*)autoTable.ptr()); |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 49 | return reinterpret_cast<jlong>(filter); |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 50 | } |
| 51 | |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 52 | static jlong createClipTable(JNIEnv* env, jobject, jint min, jint max) { |
| 53 | SkMaskFilter* filter = SkTableMaskFilter::CreateClip(min, max); |
| 54 | return reinterpret_cast<jlong>(filter); |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 55 | } |
| 56 | |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 57 | static jlong createGammaTable(JNIEnv* env, jobject, jfloat gamma) { |
| 58 | SkMaskFilter* filter = SkTableMaskFilter::CreateGamma(gamma); |
| 59 | return reinterpret_cast<jlong>(filter); |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 60 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 61 | }; |
| 62 | |
| 63 | static JNINativeMethod gMaskFilterMethods[] = { |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 64 | { "nativeDestructor", "(J)V", (void*)SkMaskFilterGlue::destructor } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 65 | }; |
| 66 | |
| 67 | static JNINativeMethod gBlurMaskFilterMethods[] = { |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 68 | { "nativeConstructor", "(FI)J", (void*)SkMaskFilterGlue::createBlur } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 69 | }; |
| 70 | |
| 71 | static JNINativeMethod gEmbossMaskFilterMethods[] = { |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 72 | { "nativeConstructor", "([FFFF)J", (void*)SkMaskFilterGlue::createEmboss } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 73 | }; |
| 74 | |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 75 | static JNINativeMethod gTableMaskFilterMethods[] = { |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 76 | { "nativeNewTable", "([B)J", (void*)SkMaskFilterGlue::createTable }, |
| 77 | { "nativeNewClip", "(II)J", (void*)SkMaskFilterGlue::createClipTable }, |
| 78 | { "nativeNewGamma", "(F)J", (void*)SkMaskFilterGlue::createGammaTable } |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 79 | }; |
| 80 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 81 | #include <android_runtime/AndroidRuntime.h> |
| 82 | |
| 83 | #define REG(env, name, array) \ |
| 84 | result = android::AndroidRuntime::registerNativeMethods(env, name, array, SK_ARRAY_COUNT(array)); \ |
| 85 | if (result < 0) return result |
| 86 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 87 | int register_android_graphics_MaskFilter(JNIEnv* env) |
| 88 | { |
| 89 | int result; |
Elliott Hughes | 4cb1753 | 2011-04-12 16:10:26 -0700 | [diff] [blame] | 90 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 91 | REG(env, "android/graphics/MaskFilter", gMaskFilterMethods); |
| 92 | REG(env, "android/graphics/BlurMaskFilter", gBlurMaskFilterMethods); |
| 93 | REG(env, "android/graphics/EmbossMaskFilter", gEmbossMaskFilterMethods); |
Mike Reed | 0e1e623 | 2009-10-29 17:20:49 -0400 | [diff] [blame] | 94 | REG(env, "android/graphics/TableMaskFilter", gTableMaskFilterMethods); |
Elliott Hughes | 4cb1753 | 2011-04-12 16:10:26 -0700 | [diff] [blame] | 95 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 96 | return 0; |
| 97 | } |