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