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/*
* Copyright (C) 2010 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.
*/
#ifndef ANDROID_HWUI_PATCH_CACHE_H
#define ANDROID_HWUI_PATCH_CACHE_H
#include <utils/KeyedVector.h>
#include "utils/Compare.h"
#include "Debug.h"
#include "Patch.h"
namespace android {
namespace uirenderer {
///////////////////////////////////////////////////////////////////////////////
// Defines
///////////////////////////////////////////////////////////////////////////////
// Debug
#if DEBUG_PATCHES
#define PATCH_LOGD(...) LOGD(__VA_ARGS__)
#else
#define PATCH_LOGD(...)
#endif
///////////////////////////////////////////////////////////////////////////////
// Cache
///////////////////////////////////////////////////////////////////////////////
class PatchCache {
public:
PatchCache();
PatchCache(uint32_t maxCapacity);
~PatchCache();
Patch* get(const float bitmapWidth, const float bitmapHeight,
const float pixelWidth, const float pixelHeight,
const int32_t* xDivs, const int32_t* yDivs, const uint32_t* colors,
const uint32_t width, const uint32_t height, const int8_t numColors);
void clear();
uint32_t getSize() const {
return mCache.size();
}
uint32_t getMaxSize() const {
return mMaxEntries;
}
private:
/**
* Description of a patch.
*/
struct PatchDescription {
PatchDescription(): bitmapWidth(0), bitmapHeight(0), pixelWidth(0), pixelHeight(0),
xCount(0), yCount(0), emptyCount(0), colorKey(0) {
}
PatchDescription(const float bitmapWidth, const float bitmapHeight,
const float pixelWidth, const float pixelHeight,
const uint32_t xCount, const uint32_t yCount,
const int8_t emptyCount, const uint32_t colorKey):
bitmapWidth(bitmapWidth), bitmapHeight(bitmapHeight),
pixelWidth(pixelWidth), pixelHeight(pixelHeight),
xCount(xCount), yCount(yCount),
emptyCount(emptyCount), colorKey(colorKey) {
}
bool operator<(const PatchDescription& rhs) const {
LTE_FLOAT(bitmapWidth) {
LTE_FLOAT(bitmapHeight) {
LTE_FLOAT(pixelWidth) {
LTE_FLOAT(pixelHeight) {
LTE_INT(xCount) {
LTE_INT(yCount) {
LTE_INT(emptyCount) {
LTE_INT(colorKey) return false;
}
}
}
}
}
}
}
return false;
}
private:
float bitmapWidth;
float bitmapHeight;
float pixelWidth;
float pixelHeight;
uint32_t xCount;
uint32_t yCount;
int8_t emptyCount;
uint32_t colorKey;
}; // struct PatchDescription
uint32_t mMaxEntries;
KeyedVector<PatchDescription, Patch*> mCache;
}; // class PatchCache
}; // namespace uirenderer
}; // namespace android
#endif // ANDROID_HWUI_PATCH_CACHE_H