opencv/modules/matlab/generator/templates/functional.cpp

58 lines
1.7 KiB
C++

// compose a function
{% macro compose(fun, retname="ret") %}
{%- if not fun.rtp == "void" -%} {{fun.rtp}} retname = {% endif -%}
{{fun.name}}(
{%- for arg in fun.req -%}
{{arg.name}}
{%- if not loop.last %}, {% endif %}
{% endfor %}
{% if fun.req and fun.opt %}, {% endif %}
{%- for opt in fun.opt -%}
{{opt.name}}
{%- if not loop.last -%}, {% endif %}
{%- endfor -%}
);
{%- endmacro %}
// create a full function invocation
{%- macro generate(fun) -%}
// unpack the arguments
// inputs
{% for arg in fun.req|inputs %}
{{arg.tp}} {{arg.name}} = inputs[{{ loop.index0 }}];
{% endfor %}
{% for opt in fun.opt|inputs %}
{{opt.tp}} {{opt.name}} = (nrhs > {{loop.index0 + fun.req|ninputs}}) ? inputs[{{loop.index0 + fun.req|ninputs}}] : {{opt.default}};
{% endfor %}
// outputs
{% for arg in fun.req|outputs %}
{{arg.tp}} {{arg.name}};
{% endfor %}
{% for opt in fun.opt|outputs %}
{{opt.tp}} {{opt.name}};
{% endfor %}
// call the opencv function
// [out =] namespace.fun(src1, ..., srcn, dst1, ..., dstn, opt1, ..., optn);
try {
{{ compose(fun) }}
} catch(cv::Exception& e) {
mexErrMsgTxt(std::string("cv::exception caught: ").append(e.what()).c_str());
} catch(std::exception& e) {
mexErrMsgTxt(std::string("std::exception caught: ").append(e.what()).c_str());
} catch(...) {
mexErrMsgTxt("Uncaught exception occurred in {{fun.name}}");
}
// assign the outputs into the bridge
{% for arg in fun.req|outputs %}
outputs[{{loop.index0}}] = {{arg.name}};
{% endfor %}
{% for opt in fun.opt|outputs %}
outputs[{{loop.index0 + fun.req|noutputs}}] = {{opt.name}};
{% endfor %}
{%- endmacro -%}