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C++ SkMask::getAddr方法代码示例

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


在下文中一共展示了SkMask::getAddr方法的7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: SkASSERT

void SkARGB32_Opaque_Blitter::blitMask(const SkMask& mask,
                                       const SkIRect& clip) {
    SkASSERT(mask.fBounds.contains(clip));

    if (mask.fFormat == SkMask::kBW_Format) {
        SkARGB32_BlitBW(fDevice, mask, clip, fPMColor);
        return;
    }

    int x = clip.fLeft;
    int y = clip.fTop;
    int width = clip.width();
    int height = clip.height();

    uint32_t*       device = fDevice.getAddr32(x, y);
    const uint8_t*  alpha = mask.getAddr(x, y);
    uint32_t        srcColor = fPMColor;
    unsigned        devRB = fDevice.rowBytes() - (width << 2);
    unsigned        maskRB = mask.fRowBytes - width;

    do {
        int w = width;
        do {
            unsigned aa = *alpha++;
            *device = SkAlphaMulQ(srcColor, SkAlpha255To256(aa)) + SkAlphaMulQ(*device, SkAlpha255To256(255 - aa));
            device += 1;
        } while (--w != 0);
        device = (uint32_t*)((char*)device + devRB);
        alpha += maskRB;
    } while (--height != 0);
}
开发者ID:bluebellzhy，项目名称:chromium，代码行数:31，代码来源:SkBlitter_ARGB32.cpp

示例2: blitMask

    void blitMask(const SkMask& mask, const SkIRect& clip) override {
        if (SkMask::kLCD16_Format == mask.fFormat) {
            this->blitLCDMask(mask, clip);
            return;
        }
        if (SkMask::kA8_Format != mask.fFormat) {
            this->INHERITED::blitMask(mask, clip);
            return;
        }

        SkASSERT(mask.fBounds.contains(clip));

        const int x = clip.fLeft;
        const int width = clip.width();
        const int y = clip.fTop;
        const int height = clip.height();

        typename State::DstType* device = State::WritableAddr(fDevice, x, y);
        const size_t dstRB = fDevice.rowBytes();
        const uint8_t* maskRow = (const uint8_t*)mask.getAddr(x, y);
        const size_t maskRB = mask.fRowBytes;

        for (int i = 0; i < height; ++i) {
            fState.fProc1(fState.fXfer, device, &fState.fPM4f, width, maskRow);
            device = (typename State::DstType*)((char*)device + dstRB);
            maskRow += maskRB;
        }
    }
开发者ID:03050903，项目名称:skia，代码行数:28，代码来源:SkBlitter_PM4f.cpp

示例3: SkASSERT

void SkARGB32_Blitter::blitMask(const SkMask& mask, const SkIRect& clip) {
    SkASSERT(mask.fBounds.contains(clip));
    SkASSERT(fSrcA != 0xFF);

    if (fSrcA == 0) {
        return;
    }

    if (mask.fFormat == SkMask::kBW_Format) {
        SkARGB32_BlendBW(fDevice, mask, clip, fPMColor, SkAlpha255To256(255 - fSrcA));
        return;
    } else if (SkMask::kARGB32_Format == mask.fFormat) {
		SkARGB32_Blit32(fDevice, mask, clip, fPMColor);
		return;
    } else if (SkMask::kLCD16_Format == mask.fFormat) {
        blitmask_lcd16(fDevice, mask, clip, fPMColor);
        return;
    }

    int x = clip.fLeft;
    int y = clip.fTop;

    fBlitMaskProc(fDevice.getAddr32(x, y), fDevice.rowBytes(),
                  SkBitmap::kARGB_8888_Config,
                  mask.getAddr(x, y), mask.fRowBytes,
                  fColor, clip.width(), clip.height());
}
开发者ID:，项目名称:，代码行数:27，代码来源:

示例4: SkASSERT

void SkARGB32_Opaque_Blitter::blitMask(const SkMask& mask,
                                       const SkIRect& clip) {
    SkASSERT(mask.fBounds.contains(clip));

    if (mask.fFormat == SkMask::kBW_Format) {
        SkARGB32_BlitBW(fDevice, mask, clip, fPMColor);
        return;
    } else if (SkMask::kARGB32_Format == mask.fFormat) {
		SkARGB32_Blit32(fDevice, mask, clip, fPMColor);
		return;
    } else if (SkMask::kLCD16_Format == mask.fFormat) {
        blitmask_lcd16(fDevice, mask, clip, fPMColor);
        return;
    } else if (SkMask::kLCD32_Format == mask.fFormat) {
        blitmask_lcd32(fDevice, mask, clip, fPMColor);
        return;
	}

    int x = clip.fLeft;
    int y = clip.fTop;
    int width = clip.width();
    int height = clip.height();

    fBlitMaskProc(fDevice.getAddr32(x, y), fDevice.rowBytes(),
                  SkBitmap::kARGB_8888_Config,
                  mask.getAddr(x, y), mask.fRowBytes, fColor, width, height);
}
开发者ID:BBKeeper，项目名称:Skia，代码行数:27，代码来源:SkBlitter_ARGB32.cpp

示例5: SkASSERT

void SkARGB32_Shader_Blitter::blitMask(const SkMask& mask, const SkIRect& clip) {
    // we only handle kA8 with an xfermode
    if (fXfermode && (SkMask::kA8_Format != mask.fFormat)) {
        this->INHERITED::blitMask(mask, clip);
        return;
    }

    SkASSERT(mask.fBounds.contains(clip));

    SkBlitMask::RowProc proc = NULL;
    if (!fXfermode) {
        unsigned flags = 0;
        if (fShader->getFlags() & SkShader::kOpaqueAlpha_Flag) {
            flags |= SkBlitMask::kSrcIsOpaque_RowFlag;
        }
        proc = SkBlitMask::RowFactory(SkBitmap::kARGB_8888_Config, mask.fFormat,
                                      (SkBlitMask::RowFlags)flags);
        if (NULL == proc) {
            this->INHERITED::blitMask(mask, clip);
            return;
        }
    }

    const int x = clip.fLeft;
    const int width = clip.width();
    int y = clip.fTop;
    int height = clip.height();

    char* dstRow = (char*)fDevice.getAddr32(x, y);
    const size_t dstRB = fDevice.rowBytes();
    const uint8_t* maskRow = (const uint8_t*)mask.getAddr(x, y);
    const size_t maskRB = mask.fRowBytes;

    SkShader* shader = fShader;
    SkPMColor* span = fBuffer;

    if (fXfermode) {
        SkASSERT(SkMask::kA8_Format == mask.fFormat);
        SkXfermode* xfer = fXfermode;
        do {
            shader->shadeSpan(x, y, span, width);
            xfer->xfer32((SkPMColor*)dstRow, span, width, maskRow);
            dstRow += dstRB;
            maskRow += maskRB;
            y += 1;
        } while (--height > 0);
    } else {
        do {
            shader->shadeSpan(x, y, span, width);
            proc(dstRow, maskRow, span, width);
            dstRow += dstRB;
            maskRow += maskRB;
            y += 1;
        } while (--height > 0);
    }
}
开发者ID:ghub，项目名称:NVprSDK，代码行数:56，代码来源:SkBlitter_ARGB32.cpp

示例6: blitLCDMask

    void blitLCDMask(const SkMask& mask, const SkIRect& clip) {
        auto proc = fState.getLCDProc(SkXfermode::kSrcIsSingle_LCDFlag);

        const int x = clip.fLeft;
        const int width = clip.width();
        const int y = clip.fTop;
        const int height = clip.height();

        typename State::DstType* device = State::WritableAddr(fDevice, x, y);
        const size_t dstRB = fDevice.rowBytes();
        const uint16_t* maskRow = (const uint16_t*)mask.getAddr(x, y);
        const size_t maskRB = mask.fRowBytes;

        for (int i = 0; i < height; ++i) {
            proc(device, &fState.fPM4f, width, maskRow);
            device = (typename State::DstType*)((char*)device + dstRB);
            maskRow = (const uint16_t*)((const char*)maskRow + maskRB);
        }
    }
开发者ID:03050903，项目名称:skia，代码行数:19，代码来源:SkBlitter_PM4f.cpp

示例7: while

static void SkARGB32_Blit32(const SkBitmap& device, const SkMask& mask,
							const SkIRect& clip, SkPMColor srcColor) {
	U8CPU alpha = SkGetPackedA32(srcColor);
	unsigned flags = SkBlitRow::kSrcPixelAlpha_Flag32;
	if (alpha != 255) {
		flags |= SkBlitRow::kGlobalAlpha_Flag32;
	}
	SkBlitRow::Proc32 proc = SkBlitRow::Factory32(flags);

    int x = clip.fLeft;
    int y = clip.fTop;
    int width = clip.width();
    int height = clip.height();

    SkPMColor*		 dstRow = device.getAddr32(x, y);
    const SkPMColor* srcRow = reinterpret_cast<const SkPMColor*>(mask.getAddr(x, y));

    do {
		proc(dstRow, srcRow, width, alpha);
        dstRow = (SkPMColor*)((char*)dstRow + device.rowBytes());
        srcRow = (const SkPMColor*)((const char*)srcRow + mask.fRowBytes);
    } while (--height != 0);
}
开发者ID:，项目名称:，代码行数:23，代码来源:


注：本文中的SkMask::getAddr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。