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" |
| 4 | |
| 5 | #include <jni.h> |
| 6 | |
Mike Reed | a04e555 | 2009-07-30 11:05:57 -0400 | [diff] [blame^] | 7 | static void ThrowIAE_IfNull(JNIEnv* env, void* ptr) { |
| 8 | if (NULL == ptr) { |
| 9 | doThrowIAE(env); |
| 10 | } |
| 11 | } |
| 12 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 13 | class SkMaskFilterGlue { |
| 14 | public: |
| 15 | static void destructor(JNIEnv* env, jobject, SkMaskFilter* filter) { |
Mike Reed | a04e555 | 2009-07-30 11:05:57 -0400 | [diff] [blame^] | 16 | SkSafeUnref(filter); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 17 | } |
| 18 | |
| 19 | static SkMaskFilter* createBlur(JNIEnv* env, jobject, float radius, int blurStyle) { |
Mike Reed | a04e555 | 2009-07-30 11:05:57 -0400 | [diff] [blame^] | 20 | SkMaskFilter* filter = SkBlurMaskFilter::Create(SkFloatToScalar(radius), |
| 21 | (SkBlurMaskFilter::BlurStyle)blurStyle); |
| 22 | ThrowIAE_IfNull(env, filter); |
| 23 | return filter; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 24 | } |
| 25 | |
| 26 | static SkMaskFilter* createEmboss(JNIEnv* env, jobject, jfloatArray dirArray, float ambient, float specular, float radius) { |
| 27 | SkScalar direction[3]; |
| 28 | |
| 29 | AutoJavaFloatArray autoDir(env, dirArray, 3); |
| 30 | float* values = autoDir.ptr(); |
| 31 | for (int i = 0; i < 3; i++) { |
| 32 | direction[i] = SkFloatToScalar(values[i]); |
| 33 | } |
| 34 | |
Mike Reed | a04e555 | 2009-07-30 11:05:57 -0400 | [diff] [blame^] | 35 | SkMaskFilter* filter = SkBlurMaskFilter::CreateEmboss(direction, |
| 36 | SkFloatToScalar(ambient), |
| 37 | SkFloatToScalar(specular), |
| 38 | SkFloatToScalar(radius)); |
| 39 | ThrowIAE_IfNull(env, filter); |
| 40 | return filter; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 41 | } |
| 42 | }; |
| 43 | |
| 44 | static JNINativeMethod gMaskFilterMethods[] = { |
| 45 | { "nativeDestructor", "(I)V", (void*)SkMaskFilterGlue::destructor } |
| 46 | }; |
| 47 | |
| 48 | static JNINativeMethod gBlurMaskFilterMethods[] = { |
| 49 | { "nativeConstructor", "(FI)I", (void*)SkMaskFilterGlue::createBlur } |
| 50 | }; |
| 51 | |
| 52 | static JNINativeMethod gEmbossMaskFilterMethods[] = { |
| 53 | { "nativeConstructor", "([FFFF)I", (void*)SkMaskFilterGlue::createEmboss } |
| 54 | }; |
| 55 | |
| 56 | #include <android_runtime/AndroidRuntime.h> |
| 57 | |
| 58 | #define REG(env, name, array) \ |
| 59 | result = android::AndroidRuntime::registerNativeMethods(env, name, array, SK_ARRAY_COUNT(array)); \ |
| 60 | if (result < 0) return result |
| 61 | |
| 62 | int register_android_graphics_MaskFilter(JNIEnv* env); |
| 63 | int register_android_graphics_MaskFilter(JNIEnv* env) |
| 64 | { |
| 65 | int result; |
| 66 | |
| 67 | REG(env, "android/graphics/MaskFilter", gMaskFilterMethods); |
| 68 | REG(env, "android/graphics/BlurMaskFilter", gBlurMaskFilterMethods); |
| 69 | REG(env, "android/graphics/EmbossMaskFilter", gEmbossMaskFilterMethods); |
| 70 | |
| 71 | return 0; |
| 72 | } |
| 73 | |