SkImageGenerator.cpp

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/*
 * Copyright 2014 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#include "include/core/SkImageGenerator.h"
 
#include "include/core/SkColorType.h"
#include "include/private/base/SkAssert.h"
#include "src/core/SkNextID.h"
 
SkImageGenerator::SkImageGenerator(const SkImageInfo& info, uint32_t uniqueID)
    : fInfo(info)
    , fUniqueID(kNeedNewImageUniqueID == uniqueID ? SkNextID::ImageID() : uniqueID)
{}
 
bool SkImageGenerator::getPixels(const SkImageInfo& info, void* pixels, size_t rowBytes) {
    if (kUnknown_SkColorType == info.colorType()) {
        return false;
    }
    if (nullptr == pixels) {
        return false;
    }
    if (rowBytes < info.minRowBytes()) {
        return false;
    }
 
    Options defaultOpts;
    return this->onGetPixels(info, pixels, rowBytes, defaultOpts);
}
 
bool SkImageGenerator::queryYUVAInfo(const SkYUVAPixmapInfo::SupportedDataTypes& supportedDataTypes,
                                     SkYUVAPixmapInfo* yuvaPixmapInfo) const {
    SkASSERT(yuvaPixmapInfo);
 
    return this->onQueryYUVAInfo(supportedDataTypes, yuvaPixmapInfo) &&
           yuvaPixmapInfo->isSupported(supportedDataTypes);
}
 
bool SkImageGenerator::getYUVAPlanes(const SkYUVAPixmaps& yuvaPixmaps) {
    return this->onGetYUVAPlanes(yuvaPixmaps);
}