当前位置: 首页>>代码示例>>C++>>正文


C++ SkPixmap::reset方法代码示例

本文整理汇总了C++中SkPixmap::reset方法的典型用法代码示例。如果您正苦于以下问题:C++ SkPixmap::reset方法的具体用法?C++ SkPixmap::reset怎么用?C++ SkPixmap::reset使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在SkPixmap的用法示例。


在下文中一共展示了SkPixmap::reset方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: MakeTextureFromMipMap

sk_sp<SkImage> SkImage::MakeFromDeferredTextureImageData(GrContext* context, const void* data,
                                                         SkBudgeted budgeted) {
    if (!data) {
        return nullptr;
    }
    const DeferredTextureImage* dti = reinterpret_cast<const DeferredTextureImage*>(data);

    if (!context || context->uniqueID() != dti->fContextUniqueID) {
        return nullptr;
    }
    int mipLevelCount = dti->fMipMapLevelCount;
    SkASSERT(mipLevelCount >= 1);
    sk_sp<SkColorSpace> colorSpace;
    if (dti->fColorSpaceSize) {
        colorSpace = SkColorSpace::Deserialize(dti->fColorSpace, dti->fColorSpaceSize);
    }
    SkImageInfo info = SkImageInfo::Make(dti->fWidth, dti->fHeight,
                                         dti->fColorType, dti->fAlphaType, colorSpace);
    if (mipLevelCount == 1) {
        SkPixmap pixmap;
        pixmap.reset(info, dti->fMipMapLevelData[0].fPixelData, dti->fMipMapLevelData[0].fRowBytes);

        // Use the NoCheck version because we have already validated the SkImage.  The |data|
        // used to be an SkImage before calling getDeferredTextureImageData().  In legacy mode,
        // getDeferredTextureImageData() will allow parametric transfer functions for images
        // generated from codecs - which is slightly more lenient than typical SkImage
        // constructors.
        sk_sp<GrTextureProxy> proxy(GrUploadPixmapToTextureProxyNoCheck(
                context->resourceProvider(), pixmap, budgeted));
        if (!proxy) {
            return nullptr;
        }
        return sk_make_sp<SkImage_Gpu>(context, kNeedNewImageUniqueID, pixmap.alphaType(),
                                       std::move(proxy), std::move(colorSpace), budgeted);
    } else {
        std::unique_ptr<GrMipLevel[]> texels(new GrMipLevel[mipLevelCount]);
        for (int i = 0; i < mipLevelCount; i++) {
            texels[i].fPixels = dti->fMipMapLevelData[i].fPixelData;
            texels[i].fRowBytes = dti->fMipMapLevelData[i].fRowBytes;
        }

        return SkImage::MakeTextureFromMipMap(context, info, texels.get(),
                                              mipLevelCount, SkBudgeted::kYes,
                                              dti->fColorMode);
    }
}
开发者ID:Wafflespeanut,项目名称:gecko-dev,代码行数:46,代码来源:SkImage_Gpu.cpp

示例2: MakeTextureFromPixmap

sk_sp<SkImage> SkImage::MakeFromDeferredTextureImageData(GrContext* context, const void* data,
                                                         SkBudgeted budgeted) {
    if (!data) {
        return nullptr;
    }
    const DeferredTextureImage* dti = reinterpret_cast<const DeferredTextureImage*>(data);

    if (!context || context->uniqueID() != dti->fContextUniqueID) {
        return nullptr;
    }
    SkAutoTUnref<SkColorTable> colorTable;
    if (dti->fData.fColorTableCnt) {
        SkASSERT(dti->fData.fColorTableData);
        colorTable.reset(new SkColorTable(dti->fData.fColorTableData, dti->fData.fColorTableCnt));
    }
    SkPixmap pixmap;
    pixmap.reset(dti->fData.fInfo, dti->fData.fPixelData, dti->fData.fRowBytes, colorTable.get());
    return SkImage::MakeTextureFromPixmap(context, pixmap, budgeted);
}
开发者ID:JavierJF,项目名称:skia,代码行数:19,代码来源:SkImage_Gpu.cpp

示例3: MakeTextureFromPixmap

sk_sp<SkImage> SkImage::MakeFromDeferredTextureImageData(GrContext* context, const void* data,
                                                         SkBudgeted budgeted) {
    if (!data) {
        return nullptr;
    }
    const DeferredTextureImage* dti = reinterpret_cast<const DeferredTextureImage*>(data);

    if (!context || context->uniqueID() != dti->fContextUniqueID) {
        return nullptr;
    }
    SkAutoTUnref<SkColorTable> colorTable;
    if (dti->fColorTableCnt) {
        SkASSERT(dti->fColorTableData);
        colorTable.reset(new SkColorTable(dti->fColorTableData, dti->fColorTableCnt));
    }
    int mipLevelCount = dti->fMipMapLevelCount;
    SkASSERT(mipLevelCount >= 1);
    sk_sp<SkColorSpace> colorSpace;
    if (dti->fColorSpaceSize) {
        colorSpace = SkColorSpace::Deserialize(dti->fColorSpace, dti->fColorSpaceSize);
    }
    SkImageInfo info = SkImageInfo::Make(dti->fWidth, dti->fHeight,
                                         dti->fColorType, dti->fAlphaType, colorSpace);
    if (mipLevelCount == 1) {
        SkPixmap pixmap;
        pixmap.reset(info, dti->fMipMapLevelData[0].fPixelData,
                     dti->fMipMapLevelData[0].fRowBytes, colorTable.get());
        return SkImage::MakeTextureFromPixmap(context, pixmap, budgeted);
    } else {
        SkAutoTDeleteArray<GrMipLevel> texels(new GrMipLevel[mipLevelCount]);
        for (int i = 0; i < mipLevelCount; i++) {
            texels[i].fPixels = dti->fMipMapLevelData[i].fPixelData;
            texels[i].fRowBytes = dti->fMipMapLevelData[i].fRowBytes;
        }

        return SkImage::MakeTextureFromMipMap(context, info, texels.get(),
                                              mipLevelCount, SkBudgeted::kYes,
                                              dti->fGammaTreatment);
    }
}
开发者ID:aseprite,项目名称:skia,代码行数:40,代码来源:SkImage_Gpu.cpp


注:本文中的SkPixmap::reset方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。