C++ (Cpp) SkImageInfo::bounds示例

sk_sp<SkImage> SkImage_Lazy::onMakeSubset(const SkIRect& subset) const {
    SkASSERT(fInfo.bounds().contains(subset));
    SkASSERT(fInfo.bounds() != subset);

    const SkIRect generatorSubset = subset.makeOffset(fOrigin.x(), fOrigin.y());
    Validator validator(fSharedGenerator, &generatorSubset, fInfo.refColorSpace());
    return validator ? sk_sp<SkImage>(new SkImage_Lazy(&validator)) : nullptr;
}

示例#2

显示文件

文件： ImageInfo_dimensions.cpp 项目： HalCanary/skia-hc

void draw(SkCanvas* canvas) {
    const int height = 2;
    const int width = 2;
    SkImageInfo imageInfo = SkImageInfo::Make(width, height, kN32_SkColorType, kPremul_SkAlphaType);
    SkISize dimensions = imageInfo.dimensions();
    SkIRect bounds = imageInfo.bounds();
    SkIRect dimensionsAsBounds = SkIRect::MakeSize(dimensions);
    SkDebugf("dimensionsAsBounds %c= bounds\n", dimensionsAsBounds == bounds ? '=' : '!');
}

示例#3

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文件： ImageInfo_bounds.cpp 项目： HalCanary/skia-hc

void draw(SkCanvas* canvas) {
    canvas->scale(.5f, .5f);
    SkImageInfo imageInfo = source.info();
    SkIRect bounds = imageInfo.bounds();
    for (int x : { 0, bounds.width() } ) {
        for (int y : { 0, bounds.height() } ) {
            canvas->drawBitmap(source, x, y);
        }
    }
}