本文整理汇总了C++中osg::Image::isDataContiguous方法的典型用法代码示例。如果您正苦于以下问题：C++ Image::isDataContiguous方法的具体用法？C++ Image::isDataContiguous怎么用？C++ Image::isDataContiguous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osg::Image的用法示例。
在下文中一共展示了Image::isDataContiguous方法的2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: writeImage
virtual WriteResult writeImage(const osg::Image& img,std::ostream& fout,const osgDB::ReaderWriter::Options*) const
{
if (img.isCompressed())
{
OSG_NOTICE<<"Warning: RGB plugin does not supporting writing compressed imagery."<<std::endl;
return WriteResult::ERROR_IN_WRITING_FILE;
}
if (!img.isDataContiguous())
{
OSG_NOTICE<<"Warning: RGB plugin does not supporting writing non contiguous imagery."<<std::endl;
return WriteResult::ERROR_IN_WRITING_FILE;
}
return writeRGBStream(img,fout,"");
}示例2: writeImage
WriteResult writeImage(const osg::Image& img, std::ostream& fout, const Options* options) const
{
if (!img.isDataContiguous())
{
OSG_WARN<<"Warning: Writing of image data, that is non contiguous, is not supported by JPEG2000 plugin."<<std::endl;
return WriteResult::ERROR_IN_WRITING_FILE;
}
jas_image_cmptparm_t cmptparms[4];
jas_image_cmptparm_t *cmptparm;
int internalFormat = osg::Image::computeNumComponents(img.getPixelFormat());
jas_stream_t* mem = jas_stream_memopen((char*)img.data(), internalFormat*img.s()*img.t());
/* Create an image of the correct size. */
jas_image_t* jimage;
int i;
for (i = 0, cmptparm = cmptparms; i < internalFormat; ++i, ++cmptparm) {
cmptparm->tlx = 0;
cmptparm->tly = 0;
cmptparm->hstep = 1;
cmptparm->vstep = 1;
cmptparm->width = img.s();
cmptparm->height = img.t();
cmptparm->prec = 8;
cmptparm->sgnd = 0;
}
if (!(jimage = jas_image_create(internalFormat, cmptparms, JAS_CLRSPC_UNKNOWN))) {
return WriteResult::ERROR_IN_WRITING_FILE;
}
if(internalFormat == 1)
{
jas_image_setclrspc(jimage, JAS_CLRSPC_SGRAY);
jas_image_setcmpttype(jimage, 0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y));
}
else if(internalFormat == 2)
{
jas_image_setclrspc(jimage, JAS_CLRSPC_SGRAY);
jas_image_setcmpttype(jimage, 0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y));
jas_image_setcmpttype(jimage, 1, JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_OPACITY));
}
else if(internalFormat == 3)
{
jas_image_setclrspc(jimage, JAS_CLRSPC_SRGB);
jas_image_setcmpttype(jimage, 0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R));
jas_image_setcmpttype(jimage, 1, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G));
jas_image_setcmpttype(jimage, 2, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B));
}
else if(internalFormat == 4)
{
jas_image_setclrspc(jimage, JAS_CLRSPC_SRGB);
jas_image_setcmpttype(jimage, 0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R));
jas_image_setcmpttype(jimage, 1, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G));
jas_image_setcmpttype(jimage, 2, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B));
jas_image_setcmpttype(jimage, 3, JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_OPACITY));
}
getdata(mem, jimage);
jas_stream_t* out = jas_stream_memopen(0, 0);
if (!out)
return WriteResult::ERROR_IN_WRITING_FILE;
char* opt = 0;
if(options)
{
opt = new char[options->getOptionString().size() + 1];
strcpy(opt, options->getOptionString().c_str());
}
jas_image_encode(jimage, out, _fmt_jp2, opt);
if(opt) delete[] opt;
jas_stream_flush(out);
// now the encoded jp2 image resides in the out->buf_ member with size out->len_ we now need to stream it to a std::ostream
jas_stream_memobj_t* obj = (jas_stream_memobj_t*) out->obj_;
fout.write((char*)obj->buf_, obj->len_);
fout << std::flush;
jas_stream_close(out);
jas_image_destroy(jimage);
return WriteResult::FILE_SAVED;
}