add table maskfilter (0e1e6230) · Commits · e / os / android_frameworks_base

core/jni/android/graphics/MaskFilter.cpp

+21 −0

Original line number	Diff line number	Diff line
		#include "GraphicsJNI.h"
		#include "SkMaskFilter.h"
		#include "SkBlurMaskFilter.h"
		#include "SkTableMaskFilter.h"

		#include <jni.h>

		@@ -39,6 +40,19 @@ public:
		ThrowIAE_IfNull(env, filter);
		return filter;
		}

		static SkMaskFilter* createTable(JNIEnv* env, jobject, jbyteArray jtable) {
		AutoJavaByteArray autoTable(env, jtable, 256);
		return new SkTableMaskFilter((const uint8_t*)autoTable.ptr());
		}

		static SkMaskFilter* createClipTable(JNIEnv* env, jobject, int min, int max) {
		return SkTableMaskFilter::CreateClip(min, max);
		}

		static SkMaskFilter* createGammaTable(JNIEnv* env, jobject, float gamma) {
		return SkTableMaskFilter::CreateGamma(gamma);
		}
		};

		static JNINativeMethod gMaskFilterMethods[] = {
		@@ -53,6 +67,12 @@ static JNINativeMethod gEmbossMaskFilterMethods[] = {
		{ "nativeConstructor", "([FFFF)I", (void*)SkMaskFilterGlue::createEmboss }
		};

		static JNINativeMethod gTableMaskFilterMethods[] = {
		{ "nativeNewTable", "([B)I", (void*)SkMaskFilterGlue::createTable },
		{ "nativeNewClip", "(II)I", (void*)SkMaskFilterGlue::createClipTable },
		{ "nativeNewGamma", "(F)I", (void*)SkMaskFilterGlue::createGammaTable }
		};

		#include <android_runtime/AndroidRuntime.h>

		#define REG(env, name, array) \
		@@ -67,6 +87,7 @@ int register_android_graphics_MaskFilter(JNIEnv* env)
		REG(env, "android/graphics/MaskFilter", gMaskFilterMethods);
		REG(env, "android/graphics/BlurMaskFilter", gBlurMaskFilterMethods);
		REG(env, "android/graphics/EmbossMaskFilter", gEmbossMaskFilterMethods);
		REG(env, "android/graphics/TableMaskFilter", gTableMaskFilterMethods);

		return 0;
		}

graphics/java/android/graphics/TableMaskFilter.java

0 → 100644

+46 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2006 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.graphics;

		/**
		* @hide
		*/
		public class TableMaskFilter extends MaskFilter {

		public TableMaskFilter(byte[] table) {
		if (table.length < 256) {
		throw new RuntimeException("table.length must be >= 256");
		}
		native_instance = nativeNewTable(table);
		}

		private TableMaskFilter(int ni) {
		native_instance = ni;
		}

		public static TableMaskFilter CreateClipTable(int min, int max) {
		return new TableMaskFilter(nativeNewClip(min, max));
		}

		public static TableMaskFilter CreateGammaTable(float gamma) {
		return new TableMaskFilter(nativeNewGamma(gamma));
		}

		private static native int nativeNewTable(byte[] table);
		private static native int nativeNewClip(int min, int max);
		private static native int nativeNewGamma(float gamma);
		}