Merge "Remove RecordingCanvas's reliance on Skia's private SkTemplates.h"

#pragma once

#include "CanvasTransform.h"

#include "hwui/Bitmap.h"

#include "utils/Macros.h"

#include "utils/TypeLogic.h"

#include <SkRuntimeEffect.h>

#include <log/log.h>

#include <cstdlib>

#include <vector>

#include "CanvasTransform.h"

#include "SkCanvas.h"

#include "SkCanvasVirtualEnforcer.h"

#include "SkDrawable.h"

#include "SkPaint.h"

#include "SkPath.h"

#include "SkRect.h"

#include "hwui/Bitmap.h"

#include "pipeline/skia/AnimatedDrawables.h"

#include <SkRuntimeEffect.h>

#include <vector>

#include "utils/AutoMalloc.h"

#include "utils/Macros.h"

#include "utils/TypeLogic.h"

enum class SkBlendMode;

class SkRRect;

    template <typename Fn, typename... Args>

    void map(const Fn[], Args...) const;

    SkAutoTMalloc<uint8_t> fBytes;

    AutoTMalloc<uint8_t> fBytes;

    size_t fUsed = 0;

    size_t fReserved = 0;

/**

 * Copyright (C) 2023 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.

 */

#pragma once

#include <cstdlib>

#include <memory>

#include <type_traits>

namespace android {

namespace uirenderer {

/** Manages an array of T elements, freeing the array in the destructor.

 *  Does NOT call any constructors/destructors on T (T must be POD).

 */

template <typename T,

          typename = std::enable_if_t<std::is_trivially_default_constructible<T>::value &&

                                      std::is_trivially_destructible<T>::value>>

class AutoTMalloc {

public:

    /** Takes ownership of the ptr. The ptr must be a value which can be passed to std::free. */

    explicit AutoTMalloc(T* ptr = nullptr) : fPtr(ptr) {}

    /** Allocates space for 'count' Ts. */

    explicit AutoTMalloc(size_t count) : fPtr(mallocIfCountThrowOnFail(count)) {}

    AutoTMalloc(AutoTMalloc&&) = default;

    AutoTMalloc& operator=(AutoTMalloc&&) = default;

    /** Resize the memory area pointed to by the current ptr preserving contents. */

    void realloc(size_t count) { fPtr.reset(reallocIfCountThrowOnFail(count)); }

    /** Resize the memory area pointed to by the current ptr without preserving contents. */

    T* reset(size_t count = 0) {

        fPtr.reset(mallocIfCountThrowOnFail(count));

        return this->get();

    }

    T* get() const { return fPtr.get(); }

    operator T*() { return fPtr.get(); }

    operator const T*() const { return fPtr.get(); }

    T& operator[](int index) { return fPtr.get()[index]; }

    const T& operator[](int index) const { return fPtr.get()[index]; }

    /**

     *  Transfer ownership of the ptr to the caller, setting the internal

     *  pointer to NULL. Note that this differs from get(), which also returns

     *  the pointer, but it does not transfer ownership.

     */

    T* release() { return fPtr.release(); }

private:

    struct FreeDeleter {

        void operator()(uint8_t* p) { std::free(p); }

    };

    std::unique_ptr<T, FreeDeleter> fPtr;

    T* mallocIfCountThrowOnFail(size_t count) {

        T* newPtr = nullptr;

        if (count) {

            newPtr = (T*)std::malloc(count * sizeof(T));

            LOG_ALWAYS_FATAL_IF(!newPtr, "failed to malloc %zu bytes", count * sizeof(T));

        }

        return newPtr;

    }

    T* reallocIfCountThrowOnFail(size_t count) {

        T* newPtr = nullptr;

        if (count) {

            newPtr = (T*)std::realloc(fPtr.release(), count * sizeof(T));

            LOG_ALWAYS_FATAL_IF(!newPtr, "failed to realloc %zu bytes", count * sizeof(T));

        }

        return newPtr;

    }

};

}  // namespace uirenderer

}  // namespace android