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Commit d2f15139 authored by Treehugger Robot's avatar Treehugger Robot Committed by Automerger Merge Worker
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Merge "Support decoding gainmaps to alpha8 with BitmapFactory." into udc-dev am: ba62f46d 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23121580



Change-Id: I6bd7fefbcf6a1e71f9706d0572c872954175c019
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 92b445bd ba62f46d

libs/hwui/jni/BitmapFactory.cpp

+10 −2
Original line number Diff line number Diff line
@@ -194,7 +194,11 @@ static bool decodeGainmap(std::unique_ptr<SkStream> gainmapStream, const SkGainm 
        ALOGE("Can not create a codec for Gainmap.");

        return false;

    }

    SkColorType decodeColorType = codec->computeOutputColorType(kN32_SkColorType);

    SkColorType decodeColorType = kN32_SkColorType;

    if (codec->getInfo().colorType() == kGray_8_SkColorType) {

        decodeColorType = kGray_8_SkColorType;

    }

    decodeColorType = codec->computeOutputColorType(decodeColorType);

    sk_sp<SkColorSpace> decodeColorSpace = codec->computeOutputColorSpace(decodeColorType, nullptr);



    SkISize size = codec->getSampledDimensions(sampleSize);
@@ -217,7 +221,11 @@ static bool decodeGainmap(std::unique_ptr<SkStream> gainmapStream, const SkGainm 
    const SkImageInfo decodeInfo = SkImageInfo::Make(size.width(), size.height(), decodeColorType,

                                                     alphaType, decodeColorSpace);



    const SkImageInfo& bitmapInfo = decodeInfo;

    SkImageInfo bitmapInfo = decodeInfo;

    if (decodeColorType == kGray_8_SkColorType) {

        // We treat gray8 as alpha8 in Bitmap's API surface

        bitmapInfo = bitmapInfo.makeColorType(kAlpha_8_SkColorType);

    }

    SkBitmap decodeBitmap;

    sk_sp<Bitmap> nativeBitmap = nullptr;