add table maskfilter

hidden for now, since it need only be seen by Launcher2

http://b/issue?id=2210685

2 files changed, 67 insertions, 0 deletions

diff --git a/core/jni/android/graphics/MaskFilter.cpp b/core/jni/android/graphics/MaskFilter.cpp
index 0f8dff121055..455449e5349d 100644
--- a/core/jni/android/graphics/MaskFilter.cpp
+++ b/core/jni/android/graphics/MaskFilter.cpp
@@ -1,6 +1,7 @@
 #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;
 }
diff --git a/graphics/java/android/graphics/TableMaskFilter.java b/graphics/java/android/graphics/TableMaskFilter.java
new file mode 100644
index 000000000000..a8a7ff0528e1
--- /dev/null
+++ b/graphics/java/android/graphics/TableMaskFilter.java
@@ -0,0 +1,46 @@
+/*
+ * 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);
+}