C++ SkImageFilter::filterBounds方法代码示例

本文整理汇总了C++中SkImageFilter::filterBounds方法的典型用法代码示例。如果您正苦于以下问题：C++ SkImageFilter::filterBounds方法的具体用法？C++ SkImageFilter::filterBounds怎么用？C++ SkImageFilter::filterBounds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类SkImageFilter的用法示例。

在下文中一共展示了SkImageFilter::filterBounds方法的8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: onFilterBounds

SkIRect SkComposeImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
                                             MapDirection direction) const {
    SkImageFilter* outer = this->getInput(0);
    SkImageFilter* inner = this->getInput(1);

    return outer->filterBounds(inner->filterBounds(src, ctm, direction), ctm, direction);
}

开发者ID:03050903，项目名称:skia，代码行数:7，代码来源:SkComposeImageFilter.cpp

示例2: onFilterBounds

bool SkComposeImageFilter::onFilterBounds(const SkIRect& src,
                                          const SkMatrix& ctm,
                                          SkIRect* dst) const {
    SkImageFilter* outer = getInput(0);
    SkImageFilter* inner = getInput(1);

    SkIRect tmp;
    return inner->filterBounds(src, ctm, &tmp) && outer->filterBounds(tmp, ctm, dst);
}

开发者ID:Arternis，项目名称:skia，代码行数:9，代码来源:SkComposeImageFilter.cpp

示例3: onFilterBounds

bool SkMergeImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
                                        SkIRect* dst) {
    if (fCount < 1) {
        return false;
    }

    SkIRect totalBounds;

    for (int i = 0; i < fCount; ++i) {
        SkImageFilter* filter = fFilters[i];
        SkIRect r;
        if (filter) {
            if (!filter->filterBounds(src, ctm, &r)) {
                return false;
            }
        } else {
            r = src;
        }
        if (0 == i) {
            totalBounds = r;
        } else {
            totalBounds.join(r);
        }
    }

    // don't modify dst until now, so we don't accidentally change it in the
    // loop, but then return false on the next filter.
    *dst = totalBounds;
    return true;
}

开发者ID:AshishNamdev，项目名称:mozilla-central，代码行数:30，代码来源:SkTestImageFilters.cpp

示例4: onFilterBounds

bool SkImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
                                   SkIRect* dst, MapDirection direction) const {
    if (fInputCount < 1) {
        *dst = src;
        return true;
    }

    SkIRect totalBounds;
    for (int i = 0; i < fInputCount; ++i) {
        SkImageFilter* filter = this->getInput(i);
        SkIRect rect = src;
        if (filter && !filter->filterBounds(src, ctm, &rect, direction)) {
            return false;
        }
        if (0 == i) {
            totalBounds = rect;
        } else {
            totalBounds.join(rect);
        }
    }

    // don't modify dst until now, so we don't accidentally change it in the
    // loop, but then return false on the next filter.
    *dst = totalBounds;
    return true;
}

开发者ID:mokacao，项目名称:skia，代码行数:26，代码来源:SkImageFilter.cpp

示例5: onFilterBounds

bool SkComposeImageFilter::onFilterBounds(const SkIRect& src,
                                          const SkMatrix& ctm,
                                          SkIRect* dst) {
    SkImageFilter* outer = getInput(0);
    SkImageFilter* inner = getInput(1);

    if (!outer && !inner) {
        return false;
    }

    if (!outer || !inner) {
        return (outer ? outer : inner)->filterBounds(src, ctm, dst);
    }

    SkIRect tmp;
    return inner->filterBounds(src, ctm, &tmp) &&
           outer->filterBounds(tmp, ctm, dst);
}

开发者ID:trevorlinton，项目名称:skia，代码行数:18，代码来源:SkComposeImageFilter.cpp

示例6: onFilterBounds

SkIRect SkImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
                                      MapDirection direction) const {
    if (this->countInputs() < 1) {
        return src;
    }

    SkIRect totalBounds;
    for (int i = 0; i < this->countInputs(); ++i) {
        SkImageFilter* filter = this->getInput(i);
        SkIRect rect = filter ? filter->filterBounds(src, ctm, direction) : src;
        if (0 == i) {
            totalBounds = rect;
        } else {
            totalBounds.join(rect);
        }
    }

    return totalBounds;
}

开发者ID:03050903，项目名称:skia，代码行数:19，代码来源:SkImageFilter.cpp

示例7: applyCropRect

bool SkImageFilter::applyCropRect(const Context& ctx, Proxy* proxy, const SkBitmap& src,
                                  SkIPoint* srcOffset, SkIRect* bounds, SkBitmap* dst) const {
    SkIRect srcBounds;
    src.getBounds(&srcBounds);
    srcBounds.offset(*srcOffset);
#ifdef SK_SUPPORT_SRC_BOUNDS_BLOAT_FOR_IMAGEFILTERS
    if (!fCropRect.applyTo(srcBounds, ctx, bounds)) {
#else
    SkIRect dstBounds;
    this->onFilterNodeBounds(srcBounds, ctx.ctm(), &dstBounds, kForward_MapDirection);
    if (!fCropRect.applyTo(dstBounds, ctx, bounds)) {
#endif
        return false;
    }

    if (srcBounds.contains(*bounds)) {
        *dst = src;
        return true;
    } else {
        SkAutoTUnref<SkBaseDevice> device(proxy->createDevice(bounds->width(), bounds->height()));
        if (!device) {
            return false;
        }
        SkCanvas canvas(device);
        canvas.clear(0x00000000);
        canvas.drawBitmap(src, srcOffset->x() - bounds->x(), srcOffset->y() - bounds->y());
        *srcOffset = SkIPoint::Make(bounds->x(), bounds->y());
        *dst = device->accessBitmap(false);
        return true;
    }
}

bool SkImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
                                   SkIRect* dst) const {
    if (fInputCount < 1) {
        *dst = src;
        return true;
    }

    SkIRect bounds, totalBounds;
    this->onFilterNodeBounds(src, ctm, &bounds, kReverse_MapDirection);
    for (int i = 0; i < fInputCount; ++i) {
        SkImageFilter* filter = this->getInput(i);
        SkIRect rect = bounds;
        if (filter && !filter->filterBounds(bounds, ctm, &rect)) {
            return false;
        }
        if (0 == i) {
            totalBounds = rect;
        } else {
            totalBounds.join(rect);
        }
    }

    // don't modify dst until now, so we don't accidentally change it in the
    // loop, but then return false on the next filter.
    *dst = totalBounds;
    return true;
}

void SkImageFilter::onFilterNodeBounds(const SkIRect& src, const SkMatrix&,
                                       SkIRect* dst, MapDirection) const {
    *dst = src;
}


SkImageFilter::Context SkImageFilter::mapContext(const Context& ctx) const {
#ifdef SK_SUPPORT_SRC_BOUNDS_BLOAT_FOR_IMAGEFILTERS
    return ctx;
#else
    SkIRect clipBounds;
    this->onFilterNodeBounds(ctx.clipBounds(), ctx.ctm(), &clipBounds,
                             MapDirection::kReverse_MapDirection);
    return Context(ctx.ctm(), clipBounds, ctx.cache());
#endif
}

bool SkImageFilter::asFragmentProcessor(GrFragmentProcessor**, GrTexture*,
                                        const SkMatrix&, const SkIRect&) const {
    return false;
}

SkImageFilter* SkImageFilter::CreateMatrixFilter(const SkMatrix& matrix,
                                                 SkFilterQuality filterQuality,
                                                 SkImageFilter* input) {
    return SkMatrixImageFilter::Create(matrix, filterQuality, input);
}

SkImageFilter* SkImageFilter::newWithLocalMatrix(const SkMatrix& matrix) const {
    // SkLocalMatrixImageFilter takes SkImage* in its factory, but logically that parameter
    // is *always* treated as a const ptr. Hence the const-cast here.
    //
    return SkLocalMatrixImageFilter::Create(matrix, const_cast<SkImageFilter*>(this));
}

#if SK_SUPPORT_GPU

bool SkImageFilter::filterInputGPU(int index, SkImageFilter::Proxy* proxy,
                                   const SkBitmap& src, const Context& ctx,
                                   SkBitmap* result, SkIPoint* offset) const {
//.........这里部分代码省略.........

开发者ID:davidleen，项目名称:skia，代码行数:101，代码来源:SkImageFilter.cpp

示例8: applyCropRect

bool SkImageFilter::applyCropRect(const Context& ctx, Proxy* proxy, const SkBitmap& src,
                                  SkIPoint* srcOffset, SkIRect* bounds, SkBitmap* dst) const {
    SkIRect srcBounds;
    src.getBounds(&srcBounds);
    srcBounds.offset(*srcOffset);
#ifdef SK_SUPPORT_SRC_BOUNDS_BLOAT_FOR_IMAGEFILTERS
    if (!fCropRect.applyTo(srcBounds, ctx, bounds)) {
#else
    SkIRect dstBounds;
    this->onFilterNodeBounds(srcBounds, ctx.ctm(), &dstBounds, kForward_MapDirection);
    if (!fCropRect.applyTo(dstBounds, ctx, bounds)) {
#endif
        return false;
    }

    if (srcBounds.contains(*bounds)) {
        *dst = src;
        return true;
    } else {
        SkAutoTUnref<SkBaseDevice> device(proxy->createDevice(bounds->width(), bounds->height()));
        if (!device) {
            return false;
        }
        SkCanvas canvas(device);
        canvas.clear(0x00000000);
        canvas.drawBitmap(src, srcOffset->x() - bounds->x(), srcOffset->y() - bounds->y());
        *srcOffset = SkIPoint::Make(bounds->x(), bounds->y());
        *dst = device->accessBitmap(false);
        return true;
    }
}

bool SkImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
                                   SkIRect* dst) const {
    if (fInputCount < 1) {
        *dst = src;
        return true;
    }

    SkIRect bounds, totalBounds;
    this->onFilterNodeBounds(src, ctm, &bounds, kReverse_MapDirection);
    for (int i = 0; i < fInputCount; ++i) {
        SkImageFilter* filter = this->getInput(i);
        SkIRect rect = bounds;
        if (filter && !filter->filterBounds(bounds, ctm, &rect)) {
            return false;
        }
        if (0 == i) {
            totalBounds = rect;
        } else {
            totalBounds.join(rect);
        }
    }

    // don't modify dst until now, so we don't accidentally change it in the
    // loop, but then return false on the next filter.
    *dst = totalBounds;
    return true;
}

void SkImageFilter::onFilterNodeBounds(const SkIRect& src, const SkMatrix&,
                                       SkIRect* dst, MapDirection) const {
    *dst = src;
}


SkImageFilter::Context SkImageFilter::mapContext(const Context& ctx) const {
#ifdef SK_SUPPORT_SRC_BOUNDS_BLOAT_FOR_IMAGEFILTERS
    return ctx;
#else
    SkIRect clipBounds;
    this->onFilterNodeBounds(ctx.clipBounds(), ctx.ctm(), &clipBounds,
                             MapDirection::kReverse_MapDirection);
    return Context(ctx.ctm(), clipBounds, ctx.cache(), ctx.sizeConstraint());
#endif
}

bool SkImageFilter::asFragmentProcessor(GrFragmentProcessor**, GrTexture*,
                                        const SkMatrix&, const SkIRect&) const {
    return false;
}

SkImageFilter* SkImageFilter::CreateMatrixFilter(const SkMatrix& matrix,
                                                 SkFilterQuality filterQuality,
                                                 SkImageFilter* input) {
    return SkMatrixImageFilter::Create(matrix, filterQuality, input);
}

SkImageFilter* SkImageFilter::newWithLocalMatrix(const SkMatrix& matrix) const {
    // SkLocalMatrixImageFilter takes SkImage* in its factory, but logically that parameter
    // is *always* treated as a const ptr. Hence the const-cast here.
    //
    return SkLocalMatrixImageFilter::Create(matrix, const_cast<SkImageFilter*>(this));
}

#if SK_SUPPORT_GPU

void SkImageFilter::WrapTexture(GrTexture* texture, int width, int height, SkBitmap* result) {
    SkImageInfo info = SkImageInfo::MakeN32Premul(width, height);
    result->setInfo(info);
//.........这里部分代码省略.........

开发者ID:keinvo，项目名称:skia，代码行数:101，代码来源:SkImageFilter.cpp

注：本文中的SkImageFilter::filterBounds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。