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60 lines
1.7 KiB
60 lines
1.7 KiB
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _ANDROID_GRAPHICS_NINE_PATCH_PEEKER_H_
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#define _ANDROID_GRAPHICS_NINE_PATCH_PEEKER_H_
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#include "SkPngChunkReader.h"
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#include <androidfw/ResourceTypes.h>
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#include <jni.h>
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using namespace android;
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class NinePatchPeeker : public SkPngChunkReader {
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public:
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NinePatchPeeker()
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: mPatch(NULL)
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, mPatchSize(0)
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, mHasInsets(false)
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, mOutlineRadius(0)
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, mOutlineAlpha(0) {
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memset(mOpticalInsets, 0, 4 * sizeof(int32_t));
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memset(mOutlineInsets, 0, 4 * sizeof(int32_t));
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}
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~NinePatchPeeker() {
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free(mPatch);
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}
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bool readChunk(const char tag[], const void* data, size_t length) override;
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jobject createNinePatchInsets(JNIEnv*, float scale) const;
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void getPadding(JNIEnv*, jobject outPadding) const;
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void scale(float scaleX, float scaleY, int scaledWidth, int scaledHeight);
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Res_png_9patch* mPatch;
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size_t mPatchSize;
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bool mHasInsets;
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private:
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int32_t mOpticalInsets[4];
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int32_t mOutlineInsets[4];
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float mOutlineRadius;
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uint8_t mOutlineAlpha;
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};
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#endif // _ANDROID_GRAPHICS_NINE_PATCH_PEEKER_H_
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