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C++ FlexImage::setExternal方法代码示例

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


在下文中一共展示了FlexImage::setExternal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: testExternal

    void testExternal() {
        report(0, "testing external image...");
        unsigned char buf[EXT_HEIGHT][EXT_WIDTH];

        {
            for (int x=0; x<EXT_WIDTH; x++) {
                for (int y=0; y<EXT_HEIGHT; y++) {
                    buf[y][x] = 20;
                }
            }
        }

        ImageOf<PixelMono> img1;

        img1.setExternal(&buf[0][0],EXT_WIDTH,EXT_HEIGHT);

        checkEqual(img1.width(),EXT_WIDTH,"width check");
        checkEqual(img1.height(),EXT_HEIGHT,"height check");

        int mismatch = 0;
        for (int x=0; x<img1.width(); x++) {
            for (int y=0; y<img1.height(); y++) {
                img1.pixel(x,y) = 5;
                if (buf[y][x]!=5) {
                    mismatch++;
                }
            }
        }
        checkEqual(mismatch,0,"delta check");

        report(0, "testing various padding + alignments...");
        for (int ww=1; ww<=17; ww++) {
            for (int hh=1; hh<=17; hh++) {
                for (int pad1=1; pad1<=9; pad1++) {
                    for (int pad2=1; pad2<=9; pad2++) {
                        int wwp1 = (ww%pad1)?(ww+pad1-(ww%pad1)):ww;
                        FlexImage img;
                        char *data = new char[wwp1*hh*3];
                        yAssert(data);
                        img.setQuantum(pad1);
                        img.setPixelCode(VOCAB_PIXEL_RGB);
                        img.setPixelSize(3);
                        img.setExternal(data,ww,hh);
                        ImageOf<PixelRgb> target;
                        target.setQuantum(pad2);
                        target.copy(img);
                        delete[] data;
                    }
                }
            }
        }
    }
开发者ID:apaikan,项目名称:yarp,代码行数:52,代码来源:ImageTest.cpp

示例2: getVideo

    bool getVideo(ImageOf<PixelRgb>& image) {
        if (frameFinished) {
            FlexImage flex;
            flex.setPixelCode(VOCAB_PIXEL_RGB);
            flex.setQuantum((pFrameRGB->linesize[0]));
            flex.setExternal(pFrameRGB->data[0],
                             pCodecCtx->width,
                             pCodecCtx->height);
            image.copy(flex);
        }

        return frameFinished;
    }
开发者ID:BRKMYR,项目名称:yarp,代码行数:13,代码来源:FfmpegGrabber.cpp

示例3: wrapIplImage

void Image::wrapIplImage(void *iplImage) {
    yAssert(iplImage!=NULL);
    IplImage *p = (IplImage *)iplImage;
    ConstString str = p->colorModel;
    int code = -1;
    int color_code = -1;
    if (str=="rgb"||str=="RGB"||
        str=="bgr"||str=="BGR"||
        str=="gray"||str=="GRAY"||
        str=="graygray"||str=="GRAYGRAY") {
        str = p->channelSeq;
        if (str=="rgb"||str=="RGB") {
            color_code = VOCAB_PIXEL_RGB;
        } else if (str=="bgr"||str=="BGR") {
            color_code = VOCAB_PIXEL_BGR;
        } else if (str=="gray"||str=="GRAY"||
                   str=="graygray"||str=="GRAYGRAY") {
            color_code = VOCAB_PIXEL_MONO;
        } else {
            printf("specific IPL RGB order (%s) is not yet supported\n",
                   str.c_str());
            printf("Try RGB, BGR, or \n");
            printf("Or fix code at %s line %d\n",__FILE__,__LINE__);
            exit(1);
        }
    }

    // Type translation is approximate.  Patches welcome to flesh out
    // the types available.
    if (p->depth == IPL_DEPTH_8U) {
        code = color_code;
    } else if (p->depth == IPL_DEPTH_8S) {
        switch (color_code) {
        case VOCAB_PIXEL_MONO:
            code = VOCAB_PIXEL_MONO_SIGNED;
            break;
        case VOCAB_PIXEL_RGB:
            code = VOCAB_PIXEL_RGB_SIGNED;
            break;
        case VOCAB_PIXEL_BGR:
            code = color_code; // nothing better available
            break;
        }
    } else if (p->depth == IPL_DEPTH_16U || p->depth == IPL_DEPTH_16S) {
        switch (color_code) {
        case VOCAB_PIXEL_MONO:
            code = VOCAB_PIXEL_MONO16;
            break;
        case VOCAB_PIXEL_RGB:
        case VOCAB_PIXEL_BGR:
            fprintf(stderr,"No translation currently available for this pixel type\n");
            exit(1);
            break;
        }
    } else if (p->depth == IPL_DEPTH_32S) {
        switch (color_code) {
        case VOCAB_PIXEL_MONO:
            code = VOCAB_PIXEL_INT;
            break;
        case VOCAB_PIXEL_RGB:
        case VOCAB_PIXEL_BGR:
            code = VOCAB_PIXEL_RGB_INT;
            break;
        }
    } else if (p->depth == IPL_DEPTH_32F) {
        switch (color_code) {
        case VOCAB_PIXEL_MONO:
            code = VOCAB_PIXEL_MONO_FLOAT;
            break;
        case VOCAB_PIXEL_RGB:
        case VOCAB_PIXEL_BGR:
            code = VOCAB_PIXEL_RGB_FLOAT;
            break;
        }
    }

    if (code==-1) {
        fprintf(stderr,"IPL pixel type / depth combination is not yet supported\n");
        fprintf(stderr,"Please email a YARP developer to complain, quoting this:\n");
        fprintf(stderr,"   %s:%d\n", __FILE__, __LINE__);
    }

    if (getPixelCode()!=code && getPixelCode()!=-1) {
        printf("your specific IPL format (%s depth %d -> %s) does not match your YARP format (%s)\n",
               str.c_str(),
               p->depth,
               Vocab::decode(code).c_str(),
               Vocab::decode(getPixelCode()).c_str());
        printf("Making a copy instead of just wrapping...\n");
        FlexImage img;
        img.setQuantum(p->align);
        img.setPixelCode(code);
        img.setExternal(p->imageData,p->width,p->height);
        copy(img);
    } else {
        setQuantum(p->align);
        setPixelCode(code);
        setExternal(p->imageData,p->width,p->height);
    }
}
开发者ID:giuliavezzani,项目名称:yarp,代码行数:100,代码来源:Image.cpp


注:本文中的FlexImage::setExternal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。